WO2018094616A1

WO2018094616A1 - Method, device, and virtual network system for monitoring virtual network

Info

Publication number: WO2018094616A1
Application number: PCT/CN2016/106978
Authority: WO
Inventors: 张争宪; 申思; 李晓
Original assignee: 华为技术有限公司
Priority date: 2016-11-23
Filing date: 2016-11-23
Publication date: 2018-05-31
Also published as: CN107996023B; CN107996023A

Abstract

Embodiments of the present invention provide a method, a device, and a virtual network system for monitoring a virtual network. The method comprises: a network manager acquiring service information in a current time period, the service information comprising sent information and received information of all virtual machines (VMs) located on computing servers in the virtual network, said information being reported by the computing servers, sent information of a first VM comprising identification information of the first VM, identification information of a destination VM of a service packet sent by the first VM, and the number of service packets sent by the first VM to the destination VM, received information of the first VM comprising the identification information of the first VM, identification information of a source VM of a service packet received by the first VM, and the number of service packets sent by the source VM that are received by the first VM; and detecting the virtual network according to the service information. The embodiments of the present invention realize overall and efficient detection on a virtual network.

Description

Method, device and virtual network system for monitoring virtual network

Technical field

The present invention relates to the field of communications, and in particular, to a method, device, and virtual network system for monitoring a virtual network.

Background technique

In large-scale and even ultra-large-scale virtual networks, network quality is often the core benefit of enterprises. If network quality problems cannot be discovered in real time, it will have a serious impact on enterprises, for example, when virtual networks end-to-end, such as virtual machines. (Virtual Machine, VM for short) to the VM when connectivity problems, packet loss, and traffic interruption, if the user does not find it in time, it will affect the business and bring losses to the enterprise. Therefore, the operation and maintenance personnel need to know the end-to-end network quality of the entire network in order to cope with unexpected situations.

At present, for large-scale virtual network traffic interruption and packet loss, it is usually after the user reports the obstacle, the operation and maintenance personnel analyze the result, resulting in a poor user experience. Therefore, a solution for detecting a virtual network is required, and the network fault can be discovered in advance before the user reports the fault, so that the operation and maintenance personnel perform network recovery for the fault point.

An existing detection virtual network scheme is a small-scale random monitoring virtual network quality. However, a small-scale random monitoring cannot cover the entire network, and there is a large detection dead angle, which cannot reach the desired detection requirement. Another existing detection virtual network solution is that the entire network performs full detection, that is, each VM in the virtual network sends detection packets to other VMs to detect network quality, but all VM combination detection needs to consume a large amount of Network resources, while taking a long time, result in low efficiency.

Therefore, how to carry out comprehensive and efficient detection of virtual networks has become an urgent problem to be solved.

Summary of the invention

Embodiments of the present invention provide a method, a device, and a virtual network system for monitoring a virtual network, which can detect a virtual network comprehensively and efficiently.

In a first aspect, a method of monitoring a virtual network is provided, the method comprising:

The network manager obtains service information in a current time period, and the service information includes sending, by each computing server in the virtual network, all VMs located on the respective computing servers. The information and the received information, wherein the sending information of the first VM includes the identification information of the first VM, the identification information of the destination VM of the service message sent by the first VM, and the service report sent by the first VM to the destination VM. The number of the texts, the receiving information of the first VM includes the identifier information of the first VM, the identifier information of the source VM of the service packet received by the first VM, and the first VM receives the service packet sent by the source VM Number of

The network manager detects the virtual network according to the service information.

Therefore, in the embodiment of the present invention, the network manager only detects the service packet, and does not need to detect the entire network, thereby reducing the impact of the detection on the traffic, and the network manager detects the service packet, that is, the active The detection of the VM also avoids the useless detection of the inactive VM in the whole network detection, saves the network resources, and detects all the active VMs, and avoids the detection of the existence of dead angles, thereby implementing the comprehensive embodiment of the present invention. And efficient detection of virtual networks.

Optionally, in an implementation manner of the first aspect, the network manager detects the virtual network according to the service information, where the network manager collects a packet loss rate of the virtual network according to the service information.

For example, the network manager can analyze, according to the service information in the current time period, how many data packets are sent by the source VM to the destination VM during the current time period, and how many data packets the source VM receives from the source VM. If the data is consistent, then the network manager does not lose. Packet, if not consistent, calculate the packet loss rate based on the difference.

Specifically, the packet loss rate can be calculated according to the following formula:

R=(N _s -N _r )/N _s

N _s represents the number of service packets sent by the source VM, N _r represents the number of service packets received by the destination VM, and R represents the packet loss rate.

Therefore, in the embodiment of the present invention, the network manager only performs packet loss detection on the statistical service packets, and does not need to detect the entire network, thereby reducing the impact of the detection on the traffic, and implementing the detection of the comprehensive and high-efficiency virtual network. In addition, in the embodiment of the present invention, the network manager detects the service packet, that is, detects the active VM, and detects the active VM, thereby avoiding useless detection of the inactive VM in the whole network detection. Can save network resources and enhance user experience.

Optionally, in an implementation manner of the first aspect, the method for detecting a virtual network in the embodiment of the present invention may further include: the network manager issuing a warning prompt when determining that the detected packet loss rate is greater than a packet loss rate threshold, Notify the user that there is a packet loss problem on the network. The packet loss rate threshold may be a preset. Alternatively, the user can set the size of the packet loss rate threshold. The embodiments of the present invention are not limited thereto.

Therefore, in the embodiment of the present invention, when the packet loss rate is detected to be large, a warning prompt is issued, so that the user can discover the network quality problem in time without waiting for the fault to discover the network problem, and then the user can timely maintain the normal communication of the network. To avoid unnecessary losses and improve the user experience.

Optionally, in an implementation manner of the first aspect, the service packet sent by the first VM and the received service packet include a first dye identifier of a current time period, where all the computing servers are The VM sends information and receives information that the respective computing server counts according to the first coloring identifier of the current time period.

Optionally, in an implementation manner of the first aspect, the first coloring identifier of the current time period is different from the first coloring identifier of the time period adjacent to the current time period.

Specifically, in the embodiment of the present invention, in order to facilitate calculation of the server statistics service packet, a first coloring identifier may be set for each period. And in order to facilitate distinguishing different periods, the first dyeing marks of adjacent time periods are different.

For example, the source VM can use the first coloring identifier that alternates between 0 and 1 to color the service message. Similarly, the destination VM can also receive the 0 and 1 alternate service messages.

It should be understood that, in the embodiment of the present invention, the first coloring identifier may be located in a certain field in the service packet. For example, the first coloring identifiers in different time periods are marked with different numbers or letters, and the embodiment of the present invention is not limited to this.

For example, the first staining identifier in the current time period may be marked as 0 in the header field of the message, and the second coloring flag in the second period is 1 or the like.

Optionally, in an implementation manner of the first aspect, the service information in the current time period further includes: sending timestamp information of the first service packet sent by the source VM of the first service packet, and the first service The destination VM of the packet receives the received timestamp information of the first service packet.

The network manager detects the virtual network according to the service information, and further includes:

The network manager calculates a service delay of the service traffic topology corresponding to each time period according to the sending timestamp information and the received timestamp information.

Optionally, in an implementation manner of the first aspect, the first service packet includes a second coloring identifier of the current time period, where the sending timestamp information of the first service packet and the receiving timestamp The information is that the source VM of the first service packet and the computing server where the destination VM is located are respectively recorded according to the second dyed identifier of the current time period.

The second dyeing identifier of the current time period is different from the second dyeing identifier of the time period adjacent to the current time period.

It should be understood that, in the embodiment of the present invention, the second coloring identifier may be located in a certain field in the service message, for example, the second coloring identifiers in different time periods are marked with different numbers or letters, and the embodiment of the present invention does not Limited to this.

It should also be understood that the first staining indicia and the second indicia in the same time period may be different in embodiments of the invention.

It should be understood that, in the embodiment of the present invention, the first service may be any service in the current time period, for example, the first service may be the first service in the current time period.

Specifically, the sender needs to record the timestamp information of the first service packet for delay detection of the network. In the embodiment of the present invention, the delay analysis of the network may only detect one service in one cycle, and does not need to perform delay analysis on all the packets in the cycle. For example, the specific time period may be selected. The service performs delay dyeing, that is, the service packet is dyed by using the second dye identifier, and the calculation server records the transmission timestamp information and the reception timestamp information of the first service packet according to the second dye identifier. Of course, in an actual application, the embodiment of the present invention does not exclude delay dyeing of multiple service packets. In this case, the network manager needs to calculate multiple delay data in the modified time period, and The plurality of delay data are averaged as an average delay of the virtual network during the time period.

Therefore, in the embodiment of the present invention, the network manager can perform time delay detection on the network according to the time delay information of the service statistics calculated by the computing server. Moreover, the network manager detects the active packets, that is, detects the active VMs, and detects the active VMs, thereby avoiding useless detection of inactive VMs in the whole network detection, thereby saving network resources and improving user experience.

Optionally, in an implementation manner of the first aspect, the method for detecting a virtual network in the embodiment of the present invention may further include: the network manager issuing a warning prompt to notify the user when determining that the virtual network delay is greater than a delay threshold There is a delay problem in the network. The delay threshold may be preset or manually set, and the user may set the threshold of the delay threshold. The embodiments of the present invention are not limited thereto.

Therefore, in the embodiment of the present invention, when the delay is large, a warning prompt is issued, so that the user can discover the network quality problem in time without waiting for the fault to discover the network problem, so that the user can timely maintain the normal communication of the network, and avoid The necessary losses to enhance the user experience.

It should be understood that, in the embodiment of the present invention, the time period may be preset by the system, or may be set by the network manager. For example, the network manager determines the time period according to the time period instruction input by the user, and then calculates the time period. Set the time period by the instruction below the server. Each time period in the embodiment of the present invention may include a transmission time period and a reception time period.

It should be understood that, in the embodiment of the present invention, the duration of the time period is not limited. For example, the duration of the time period is 5s, 10s, and 15s, and may be determined according to a specific situation in practical applications, and the embodiment of the present invention does not Limited to this.

Optionally, in an implementation manner of the first aspect, the time period includes a sending time period and a receiving time period,

The sending time period is the same as the starting time of the receiving time period, and the duration of the receiving time period is greater than the duration of the sending time period;

The sending information and the receiving information of all the VMs on the computing servers are counted by the respective computing servers in the sending time period and the receiving time period.

Therefore, in the embodiment of the present invention, the transmission time period and the start time of the reception time period are the same, and the duration of the reception time period is greater than the duration of the transmission time period, even if there is a delay in the network, due to the reception time period. If the receiving end is able to receive all the packets sent by the sending end, the receiving end can avoid the influence of the network delay, so that the receiving end can receive the service packet sent by the sending end in the sending time period, and further All business information can be counted in the time period, so that the network manager can detect the virtual network according to the business information.

Optionally, in an implementation manner of the first aspect, the network manager detects the virtual network according to the service information, including:

The network manager generates a current service traffic topology corresponding to the current time period according to the service information, where the current service traffic topology includes an association relationship between the VMs having traffic in the current period;

The network manager updates the first total service traffic topology to the second total service traffic topology according to the current service traffic topology, where the first total service traffic topology is a topological superposition of service traffic corresponding to all time periods before the current time period. The second total service traffic topology is formed by superimposing the first total service traffic topology and the current service traffic topology;

The network manager performs connectivity detection on the virtual network according to the second total service traffic topology.

It should be understood that, in the embodiment of the present invention, two topological superpositions may also be described as combining two topologies. The superposition topology is obtained by superimposing the two topologies, for example, the first topology and the second topology superposition, and the superposition topology is a topology formed by adding a difference topology in the first topology, wherein the difference topology is removed in the second topology. The topology after the same part as the first topology.

Therefore, in the embodiment of the present invention, connectivity detection is performed only on the total service traffic topology, and connectivity detection of the full-text topology is not required, which can save network resources and improve user experience.

Further, in an implementation manner of the first aspect, the network manager performs connectivity detection on the virtual network according to the second total service traffic topology, including:

The network manager generates a difference service traffic topology according to the second total service traffic topology and the current service traffic topology, where the difference service traffic topology is the same as the same part of the current service traffic topology in the second total service traffic topology. Topology

The network manager performs connectivity detection on the difference traffic flow topology.

It should be understood that, in the embodiment of the present invention, the connectivity detection may be performed after the packet loss rate monitoring of the current service traffic topology, because the second total service traffic topology is larger than the current service traffic topology, and the topology traffic loss rate of the current service traffic is During the detection, the network manager already knows which VMs are connected at the current time and time (they have sent packets), so there is no need to perform connectivity detection on the current traffic topology, so the second total service is performed at the next moment. When the connectivity of the traffic topology is detected, only the part of the second total service traffic topology and the current service traffic topology difference, that is, the difference service traffic topology, needs to be tested for connectivity.

Therefore, in the embodiment of the present invention, only the connectivity detection of the difference service traffic topology is performed, and the repeated detection of the current service traffic topology can be avoided, and the embodiment of the present invention does not need to perform connectivity detection on the full-text topology, thereby saving network resources. Improve the user experience.

Specifically, in the embodiment of the present invention, the network manager may perform connectivity detection on the difference service traffic topology according to the method for constructing a packet in the prior art. For example, the network manager first constructs a virtual service message, and the virtual service message is sent to the destination VM for the source VM in the difference service traffic topology, so as to detect whether the source VM is connected to the destination VM. For example, if the VM is connected to the port of the OVS, the virtual source VM sends a packet through the port, which is used for connectivity detection. The packet is dyed. For example, the virtual connectivity detection identifier is set for the packet. After obtaining the virtual service packet, the peer VM can determine the packet as a virtual service packet according to the virtual connectivity detection identifier, and return the response after the destination VM obtains the virtual service packet. The sender (source VM) After receiving the response, it can be determined that the source VM and the destination VM are connected. Specifically, the configuration of the message for the connectivity detection may refer to the provisions in the existing standards, and details are not described herein again.

Optionally, in an implementation manner of the first aspect, the method for detecting a virtual network in the embodiment of the present invention may further include: when determining that the connectivity between two VMs in the network is interrupted, the network manager issues a warning prompt to notify There is connectivity issues in the user network.

Therefore, the embodiment of the present invention issues a warning prompt when determining that the connectivity between two VMs in the network is interrupted, so that the user can discover the network connectivity problem as early as possible. Therefore, the operation and maintenance personnel can solve the problem in the first time and maintain the network in time. Normal communication reduces or avoids the loss caused by network interruption and improves user experience.

In a second aspect, a method of monitoring a virtual network is provided, the method comprising:

The computing server collects the sending information and the receiving information of all the VMs located on the computing server in the current time period, where the sending information of the first VM includes the identifier information of the first VM and the service packet sent by the first VM. The identifier information of the destination VM and the number of service packets sent by the first VM to the destination VM, where the received information of the first VM includes the identifier information of the first VM and the service packet received by the first VM. The identification information of the source VM and the number of service messages sent by the first VM to the source VM;

The computing server sends the sending information and the receiving information of all the VMs located on the computing server to the network manager, so that the network manager detects the virtual network according to the service information in the current time period, where the service information The sending information and the receiving information of all the VMs located on the respective computing servers reported by the computing servers in the virtual network are included.

Therefore, in the embodiment of the present invention, the computing server collects the sending information and the receiving information of all the VMs located on the computing server in the current time period, so that the subsequent network manager can detect the service packets without performing the entire network. Detection, thereby reducing the impact of detection on traffic, enabling the detection of a comprehensive and efficient virtual network.

In addition, in the embodiment of the present invention, the network manager detects the service packet, that is, detects the active VM, and detects the active VM, thereby avoiding useless detection of the inactive VM in the whole network detection. Can save network resources and enhance user experience.

It should be understood that the second aspect corresponds to the foregoing first aspect, the execution subject of the first aspect is a network manager, the execution body in the second aspect may be a computing server, and the corresponding feature of the method on the computing server side may be referred to the first The corresponding description of the aspect on the network server side, therefore, the detailed description is omitted as appropriate for the sake of brevity.

It should be understood that the first VM in the embodiment of the present invention may represent each VM or any one VM located on each computing server.

Optionally, in an implementation manner of the second aspect, the service packet sent by the first VM and the received service packet include a dyeing identifier of a current time period.

The computing server collects the sending information and the receiving information of all the VMs located on the computing server in the current time period, including:

The computing server counts the transmission information and the reception information of all the VMs located on the computing server according to the first coloring identifier of the current time period.

Optionally, in an implementation manner of the second aspect, the dyeing identifier of the current time period is different from the dyeing identifier of the time period adjacent to the current time period.

Specifically, after the service message of the virtual machine is sent to the OVS, the computing server then dyes the service message in the OVS. For example, by modifying the OVS code, different first coloring identifiers are set for different time periods. In the embodiment of the present invention, the computing server may also insert the hook function to intercept the service packet to increase the coloring identifier, and then send the normal forwarding processing to the OVS. In the embodiment of the present invention, multiple implementation manners may be implemented in the service packet. The first staining identifier is set, and the embodiment of the invention is not limited thereto.

It should be understood that, in the embodiment of the present invention, the time period may be preset by the system, or may be set by the network manager. For example, the network manager determines the time period according to the time period instruction input by the user, and then calculates the time period. The server issues an instruction to set the time period. Each time period in the embodiment of the present invention may include a transmission time period and a reception time period.

Specifically, the computing server sets one or more counters for each sender (VM), and counts data packets sent to different destination VMs by each source VM, and records which destination VMs are used in the current time period. How many packets are sent by the VM, each of the different destination VMs is counted separately; the compute server sets one or more counters for each receiver (VM), and for each destination VM, the record is received within the current time period. Which number of packets are sent by the source VM.

It should be understood that, in the embodiment of the present invention, when the service information is recorded, the quintuple information (source IP address, source port, destination IP address, destination port, and transmission) of the service needs to be recorded for each service. Layer protocol), the computing server can count the number of data packets sent by each source VM to the destination VM through the quintuple information of the recorded service, and count the number of data packets of each destination VM receiving the source VM.

Optionally, in an implementation manner of the second aspect, the sending information of all VMs that are calculated by the computing server on the computing server further includes sending timestamp information of the first service packet sent by the source VM on the computing server. ;

Alternatively, the receiving information of all VMs located on the computing server that is calculated by the computing server further includes receiving timestamp information of the first service packet received by the destination VM on the computing server.

Optionally, in an implementation manner of the second aspect, the first service packet includes a second coloring identifier of the current time period, where the sending timestamp information or the receiving timestamp information of the first service packet is received. The computing server records the second coloring identifier according to the current time period, wherein the second coloring identifier of the current time period is different from the second coloring identifier of the time period adjacent to the current time period.

It should be understood that the second dyeing identifier is different from the first dyeing identifier, and the second dyeing identifier is different from the first dyeing identifier in that the second dyeing identifier is used to calculate the timestamp information of the server statistical service packet, and the first dyeing identifier is used. The calculation and reception of statistics on the service packets of the server is not detailed here.

It should be understood that the first service in the embodiment of the present invention may be any one of the current time periods. For example, the first service can be the first service in the current time period.

Specifically, the sender needs to record the timestamp information of the first service packet for delay detection of the network. In the embodiment of the present invention, the delay analysis of the network may only detect one service in one cycle, and does not need to perform delay analysis on all the packets in the cycle. For example, the specific time period may be selected. The services perform delay dyeing, and record the sending timestamp information and the receiving timestamp information of the first service packet. Of course, in an actual application, the embodiment of the present invention does not exclude delay dyeing of multiple service packets. In this case, the network manager needs to calculate multiple delay data in the modified time period, and The plurality of delay data are averaged as an average delay of the virtual network during the time period.

Therefore, in the embodiment of the present invention, the sending timestamp information of the first service packet is sent by the VM that sends the first service packet, and the destination VM of the first service packet receives the receiving time of the first service packet. The information is stamped so that the network manager can calculate the delay of the network according to the timestamp information.

Optionally, in an implementation manner of the second aspect, the time period includes a sending time period and a receiving time period,

The calculation information of all VMs located on the respective computing servers that are counted by the computing server during the transmission time period, and the received information of all the VMs located on the respective computing servers during the receiving time period.

In a third aspect, a network manager is provided for performing the method of any of the foregoing first aspect, the first aspect of the first aspect. In particular, the first device comprises means for performing the above method.

In a fourth aspect, a computing server is provided for performing the method in any of the foregoing possible implementations of the second aspect and the second aspect. In particular, the second device comprises means for performing the above method.

In a fifth aspect, a network manager is provided, the network manager comprising a processor and a memory, the memory for storing a computer program, the processor for executing a computer program stored in the memory, performing the first aspect, the first A method in any of the possible implementations of the aspect.

In a sixth aspect, a computing server is provided, the computing server comprising a processor and a memory, the memory for storing a computer program, the processor for executing a computer program stored in the memory, performing the second aspect, the second aspect The method in any of the possible implementations.

A seventh aspect, a computer readable medium for storing a computer program, the computer program comprising instructions for performing the method of the first aspect, any of the possible implementations of the first aspect.

In an eighth aspect, a computer readable medium is provided for storing a computer program, the computer program comprising instructions for performing the method of the second aspect, any of the possible implementations of the second aspect.

According to a ninth aspect, a virtual network system is provided, the virtual network system comprising the network manager of the third aspect or the fifth aspect, the computing server of the fourth aspect or the sixth aspect,

The computing server is configured to count the sending information and the receiving information of all the virtual machine VMs located on the computing server in a current time period, and send the sending information of all the VMs located on the computing server to the network manager. Receive information;

The network manager is configured to detect the virtual network according to the service information, where the service information includes sending information and receiving information of all VMs located on the computing servers reported by each computing server in the virtual network system.

DRAWINGS

FIG. 1 is a schematic diagram of a virtual network architecture applicable to an embodiment of the present invention.

2 is a block diagram of a data center system to which an embodiment of the present invention can be applied.

3 is a schematic flow chart of a method of monitoring a virtual network according to an embodiment of the present invention.

4 is a timing diagram of a time period in accordance with one embodiment of the present invention.

Figure 5 is a schematic illustration of a dyed identification in a message, in accordance with one embodiment of the present invention.

FIG. 6 is a schematic diagram of a full network topology according to an embodiment of the present invention.

FIG. 7 is a schematic diagram of a current service traffic topology according to an embodiment of the present invention.

FIG. 8 is a schematic diagram of a transmission service message in a current time period according to an embodiment of the present invention.

FIG. 9 is a schematic diagram of a process of generating a differential traffic flow topology according to an embodiment of the present invention.

Figure 10 is a schematic block diagram of a network manager in accordance with one embodiment of the present invention.

11 is a schematic block diagram of a computing server in accordance with one embodiment of the present invention.

Figure 12 is a schematic block diagram of a network manager in accordance with another embodiment of the present invention.

FIG. 13 is a schematic block diagram of a computing server in accordance with another embodiment of the present invention.

FIG. 14 is a schematic block diagram of a virtual network system according to another embodiment of the present invention.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described in the following with reference to the accompanying drawings.

In order to facilitate the understanding of the embodiments of the present invention, a data center virtual network architecture diagram applicable to an embodiment of the present invention is first described with reference to FIG.

Specifically, as shown in FIG. 1 , in a data center or an enterprise network plan, the network may be divided into an access layer, an aggregation layer, and a core layer, and the switches in the three layers respectively correspond to an access switch, an aggregation switch, and Core switch. The access switch is used to access the access terminal, and the aggregation switch is used to aggregate the access switches of the lower layer. The core switch is used to aggregate the aggregation switch of the lower layer, and is also responsible for connecting to the Internet 120. The lower end of the access switch can be connected to the soft switch, that is, the Open Virtual Switch ("OVS"). Each lower end of the OVS can correspond to multiple virtual machines (VMs). When the different VMs communicate with each other, the packets are forwarded according to the forwarding flow table or the load sharing table, so that communication between different VMs, that is, the source VM and the destination VM are in the same node combination or cross-node combination. The forwarding flow table or the load sharing table needs to be generated and delivered by a controller (not shown) to implement communication between different VMs. For example, in the first node combination in Figure 1, OVS1 The next VM1 needs to communicate with the VM1 under the OVS5 in the second node combination, and the packet forwarding needs to be completed according to the load sharing table.

These three switches support the OpenFlow OPENFLOW protocol, and the software switch is an Open Virtual Switch ("OVS"). Among them, one OVS can correspond to one computing server, and one computing server can create multiple VMs.

For example, as shown in FIG. 2, each computing server (eg, server 135 or server 140) can house one or more virtual switches (Virtual Switch) 145 (which can also be referred to as an open virtual switch OVS). Virtual switches and virtual machines are created and run on each server's hypervisor 155, which virtualizes and schedules physical resources on the server for use by one or more virtual machines.

Specifically, FIG. 2 depicts a data center system 200 architecture diagram applicable to an embodiment of the present invention, that is, there is at least one network manager, such as a data center network manager 110 (DCNM) through the Internet 120. The management of the virtual network architecture shown in FIG. 1 is implemented. The data center network manager 110 can be implemented in the form of a server, and the application App responsible for managing the network is integrated. The embodiment of the present invention is not limited thereto.

In Figure 2 each virtual switch 145 can be configured to manage communication between a virtual machine network of virtual machines and/or virtual machines in a subnet. Each virtual switch 145 is implemented using software running on a server 135 (which may also be referred to as a compute node CNA). Thus, the virtual switch 145 can implement the functions of the physical switch. Similarly, each virtual machine 150 is implemented using software running on server 135. The virtual machine 150 is configured to communicate with other virtual machines through a network fabric (Fabric) 115. For the network architecture 115, reference may be made to the description of the Layer 3 switch in FIG. 1, and details are not described herein for brevity. As shown in FIG. 2, only two servers, server 135 and server 140, are shown, and virtual switch 145 can manage communications between the two virtual switches in server 135. However, embodiments of the present invention are not limited thereto. For the data center system 200, there may be any number of servers, each of which may accommodate any number of virtual switches and any number of virtual machines.

For the network architecture of FIG. 1 and FIG. 2, when performing network quality detection, that is, when detecting communication states between different VMs, that is, between the source VM and the destination VM. An existing scheme is for the network manager to perform the quality of a small-scale random monitoring network, that is, the network manager randomly extracts a part of the VMs for quality detection in the entire network topology, but a small-scale random monitoring cannot cover the entire network. There is a large detection dead angle that cannot reach the desired detection demand. Another existing solution It is a network-wide detection, that is, the network manager controls all virtual machines in the entire network topology to send probe packets to other virtual machines in the entire network topology to detect network quality. However, all virtual machine combination detection requires a large amount of consumption. Network resources, while taking a long time, result in low efficiency.

In order to overcome the performance of the whole network detection in the prior art, the random detection has a large problem of detecting the dead angle. The embodiment of the present invention intelligently proposes a virtual network real-time detection scheme based on a dynamic service, and detects a service packet between the VMs by using a server, and then the network manager implements the network according to the service information of the service packet detected by each server. Quality testing. In the embodiment of the present invention, only the service packet is detected, and the entire network is not required to be detected, thereby reducing the impact of the detection on the traffic, so that the network quality detection in the large-scale virtual network scenario is easy to implement, and the service packet is detected. That is, the detection of the active VM avoids the useless detection of the inactive VM in the whole network detection, reduces the resource consumption, and detects all the active VMs, and avoids the detection of the dead angle. Therefore, the embodiment of the present invention realizes the detection of a comprehensive and efficient virtual network.

In the following, for ease of understanding and description, by way of example and not limitation, a method for monitoring a virtual network topology according to an embodiment of the present invention will be described in detail in conjunction with a virtual network architecture to which the embodiments of the present invention illustrated in FIGS. 1 and 2 are applicable.

In order to facilitate the understanding of the embodiments of the present invention, some terms in the description of the embodiments of the present invention are first defined as follows:

The term "network-wide topology" refers to the topology of the relationship between all VMs in the virtual network; the term "current traffic topology" indicates the topology of the association relationship between VMs in the virtual network with service communication in the current period; A total service traffic topology represents a topology formed by superimposing traffic traffic topologies corresponding to all time periods before the current time period; the term "second total traffic flow topology" indicates the current time period and all time periods before the current time period. The topology of the traffic flow topology is superimposed; the term "active VM" means a VM that has communication with other VMs, for example, a VM that has communication services in a period of time, such as a VM. The source VM may also be the destination VM of the service; the term "inactive VM" means a VM that has no service communication for a long time, for example, a VM that has no communication service for a period of time, such as during a period of time.

FIG. 3 is a schematic flowchart of a method for monitoring a virtual network according to an embodiment of the present invention. The method 100 shown in FIG. 3 includes:

310. The computing server counts all the devices located on the computing server during the current time period. The VM sends and receives information.

Specifically, each computing server in the virtual network collects transmission information and reception information of all VMs located on the respective computing servers during the current time period.

The sending information of the first VM on the computing server includes the identifier information of the first VM, the identifier information of the destination VM of the service packet sent by the first VM, and the service report sent by the first VM to the destination VM. The number of the texts, the receiving information of the first VM includes the identifier information of the first VM, the identifier information of the source VM of the service packet received by the first VM, and the first VM receives the service packet sent by the source VM The number.

Therefore, in the embodiment of the present invention, the computing server collects the sending information and the receiving information of all the VMs located on the computing server in the current time period, so that the subsequent network manager can detect the service packets without performing the entire network. Detecting, thereby reducing the impact of the detection on the traffic, and the network manager detects the active packets by detecting the service packets, and avoids the useless detection of the inactive VMs in the whole network detection, thereby saving the network. The detection of all active VMs at the same time avoids the detection of the existence of dead angles, and the embodiment of the present invention implements the detection of a comprehensive and efficient virtual network.

Optionally, in another embodiment, the service packet sent by the first VM and the received service packet include a first staining identifier of a current time period, where the computing server according to the current time period is The first staining identifier counts the transmission information and the reception information of all VMs located on the computing server.

Further, as another embodiment, the first staining identifier of the current time period is different from the first staining identifier of the time period adjacent to the current time period.

Specifically, in the embodiment of the present invention, in order to facilitate the calculation of the server statistics service packet, a first coloring identifier may be set for each period, and the first coloring identifier of the adjacent time period may be different in order to facilitate distinguishing different periods.

For example, as shown in FIG. 4, the source VM may use the first coloring flag alternated between 0 and 1 to color the service message. Similarly, the destination VM may also receive the 0 and 1 alternate service messages.

Optionally, in another embodiment, the sending time period is the same as the starting time of the receiving time period, and the duration of the receiving time period is greater than the duration of the sending time period;

The computing server collects, in the sending time period, the sending information of all the VMs located in the computing servers, and collects the service packets received by all the VMs located in the computing servers in the receiving time period. Information.

For example, as shown in FIG. 5, the network manager can start a timer, and based on the timer, two time stamps can be set. For example, the first time stamp is a transmission time period of the service sender (source VM), for example, 10s, the second time stamp is the receiving time period of the service receiving end (destination VM), which can be defined as 10s*(1+2/3). After the timing starts, the computing server sends the data sent by each sending end located on the computing server. Packet is dyed, for example in the IP header of the packet The field is marked with a coloring identifier. The dyeing identifiers can be different numbers or letters in different time periods of the system timer, representing different periods of coloring. For example, the coloring identifier in the current time period can be in the packet header field of the message. Marked as 0, the next time period is dyed with the mark 1 and so on. When the first time is marked, the network manager or the computing server can trigger a notification to notify all senders to stop the dyeing, but the receiving end continues to receive until the second time is marked, the computing server triggers the notification, and the receiving end stops. receive.

In the embodiment of the present invention, each of the computing servers can conveniently collect the information of the service packet sent by the VM on the computing server and the information of the received service packet by performing the coloring of the service packet for each time period.

Optionally, in another embodiment, the service information in the current time period may further include: sending timestamp information of the first service packet sent by the source VM of the first service packet, and the purpose of the first service packet. The VM receives the received timestamp information of the first service packet.

It should be understood that, in the embodiment of the present invention, the second coloring identifier may be located, for example, in a certain field in the service message. For example, the second coloring identifiers in different time periods are marked with different numbers or letters. Embodiments of the invention are not limited thereto.

320. The computing server sends, to the network manager, sending information and receiving information of all VMs located on the computing server,

Specifically, each computing server in the virtual network separately reports the number of data packets that are respectively sent to different VMs in one time period, and the number of data packets received from different VMs in one cycle is reported to the network server. . Optionally, the computing server may further send the timestamp information of the first service packet and the timestamp information of the first service packet.

For example, the information reported by the computing server to the network manager may include: how many data packets are sent by the VM1 to the destination VM (such as VM2, VM3, VM4, etc.), and how many VM1 packets are sent by the destination VM2, and the destination VM3 receives the data packet. How many VM1 packets and so on, and when does VM1 send a packet to VM2 to calculate the delay? When did VM2 receive this packet and so on?

Therefore, in the embodiment of the present invention, the sending information and the receiving information of all the VMs located on the computing server are sent to the network manager by the computing server, so that the subsequent network manager can detect the service packet without detecting the entire network. Therefore, the impact of the detection on the traffic is reduced, and the network manager detects the service packet, that is, detects the active VM, and avoids useless detection of the inactive VM in the whole network detection, thereby saving network resources. Simultaneous detection of all active VMs also avoids the detection of the existence of dead angles, and the embodiment of the present invention implements the detection of a comprehensive and efficient virtual network.

330. The network manager collects a packet loss rate of the virtual network.

Specifically, the network manager collects a packet loss rate of the virtual network according to the service information.

For example, the computing server collects the sending information of all the VMs located on the computing servers in the sending time period, and collects the information of the service packets received by all the VMs located in the computing servers in the receiving time period. And based on the statistical information and calculate the packet loss rate in the current virtual network.

For example, suppose that the virtual network includes six virtual machines, namely VM1, VM2, VM3, VM4, VM5, and VM6, and the entire network topology is as shown in FIG. 6. There are 6 VMs in FIG. 6 and 15 pairs of interconnections. FIG. 6 is merely exemplary. The embodiment of the present invention is not limited thereto. For example, if there are N VMs in the virtual network, the association relationship is C ² _N , for example, If there is 1000VM in the virtual network, the interconnection is 499,500 pairs.

Assume that VM2 receives the service packet sent by VM1 in the current time period, and VM2 also receives the service packet sent by VM3. Then, the network manager can obtain the current service corresponding to the current time period according to the service information reported by the computing server. The traffic topology is shown in Figure 7.

The network manager can collect the packet loss rate in the current service traffic topology corresponding to the current time period according to the service information in the current time period, that is, the information of the service packet sent by each virtual machine VM and the information of the received service packet. .

In short, the network manager can analyze how many data packets are sent to the destination VM by the source VM in the current time period according to the service information in the current time period, and how many data packets the source VM receives from the source VM, if the data is consistent, then No packet loss, if not, the packet loss rate is calculated based on the difference.

R=(N _s -N _r )/N _s

For example, as shown in FIG. 8, the current time period source VM1 sends four service packets to the destination VM2, and the destination VM2 receives three service packets. The current time period source VM3 sends one service packet to the destination VM2. If the destination VM2 receives one service packet, the packet loss rate of the current time period can be obtained according to the above formula (5-4)/5=20%.

Therefore, in the embodiment of the present invention, the network manager only performs packet loss detection on the statistical service packets, and does not need to detect the entire network, thereby reducing the impact of the detection on the traffic, and the network manager performs the service packet. Detection, that is, detection of active VMs, also avoids useless detection of inactive VMs in the whole network detection, can save network resources, and simultaneously detect all active VMs and avoid detecting the existence of dead angles, thereby The inventive embodiments enable the detection of a comprehensive and efficient virtual network.

Optionally, as another embodiment, the method for detecting a virtual network in the embodiment of the present invention may further include: the network manager issuing a warning prompt when determining that the detected packet loss rate is greater than a packet loss rate threshold, to notify the user that the network is lost. Package problem. The packet loss rate threshold may be preset or manually set, and the user may set the packet loss rate threshold. The embodiments of the present invention are not limited thereto.

The foregoing describes the process by which the network manager performs packet loss detection on the virtual network. Optionally, in the embodiment of the present invention, the network manager may also perform delay detection on the virtual network.

Specifically, in another embodiment, when the service information includes the timestamp information, in the embodiment of the present invention, the method further includes:

340. The network manager calculates, according to the sending timestamp information and the received timestamp information, a service delay of the service traffic topology corresponding to each time period.

For example, the network manager analyzes the delay according to the timestamp information reported by the sender and the receiver. Preferably, one of the first 100 ms of the cycle can be selected, or the first data packet can be selected for staining using the second dyed flag to ensure that the receiving end can receive it.

Specifically, in the embodiment of the present invention, the network manager determines the delay of the virtual network in the time period according to the timestamp information of the first service packet, for example, the receiving time of the first service packet. The difference from the transmission time is taken as the delay of the virtual network.

Alternatively, when the service information includes the sending time and the receiving time information of the multiple service packets, the network manager may calculate the delay corresponding to the multiple services in the current time period, and average the multiple delays. As the delay of the virtual network in the current time period.

Optionally, as another embodiment, the method for detecting a virtual network in the embodiment of the present invention may further include: the network manager issuing a warning prompt when determining that the virtual network delay is greater than a delay threshold, to notify the user that the network has a delay problem. . The delay threshold may be preset or manually set, and the user may set the threshold of the delay threshold. The embodiments of the present invention are not limited thereto.

The foregoing describes the process by which the network manager performs packet loss rate and delay detection on the virtual network. Optionally, in the embodiment of the present invention, the network manager may also perform connectivity detection on the virtual network.

Specifically, as another embodiment, the method may further include:

340. The network manager performs connectivity detection on the virtual network.

Specifically, the network manager generates a current service traffic topology corresponding to the current time period according to the service information, where the current service traffic topology includes an association relationship between each VM having a service flow in the current cycle;

It should be understood that, in the embodiment of the present invention, two topological superpositions may also be described as combining two topologies, and two topologies are superimposed to obtain a superimposed topology, such as a first topology and a second topological superposition, the superposition topology. That is, the topology formed after adding the difference topology in the first topology, where the difference topology is the topology after removing the same part from the first topology in the second topology.

For example, for the full network topology shown in Figure 6. As shown in FIG. 9 , the first total service traffic topology is a topology in which service traffic topologies corresponding to all time periods before the current time period are superposed. For example, the first total service traffic topology is formed by superposing topology A and topology B. The network manager may update the first total traffic flow topology to the second total traffic flow topology according to the current traffic flow topology (eg, as shown in FIG. 7). Thereafter, the network manager can perform connectivity detection according to the second total service traffic topology.

Further, as another embodiment, the network manager performs connectivity detection on the virtual network according to the second total service traffic topology, including:

For example, for the full network topology shown in Figure 6. As shown in FIG. 9 , the first total service traffic topology is a topology in which service traffic topologies corresponding to all time periods before the current time period are superposed. For example, the first total service traffic topology is formed by superposing topology A and topology B. The network manager may update the first total traffic flow topology to the second total traffic flow topology according to the current traffic flow topology (eg, as shown in FIG. 7). In other words, the second total service traffic topology can be superposed by topology A, topology B, and current traffic flow topology. Then, the network manager may generate a difference service traffic topology according to the second total service traffic topology and the current service traffic topology. Finally, the network manager performs connectivity detection on the differential traffic flow topology.

Specifically, in the embodiment of the present invention, the network manager may perform connectivity detection on the second total service traffic topology or the difference service traffic topology according to the method for constructing a packet in the prior art. For example, the network manager first constructs a virtual service packet, and the virtual service packet is sent to the destination VM in the second total service traffic topology or the difference traffic traffic topology to detect whether the source VM is between the destination VMs. It is connected. For example, if the VM is connected to the port of the OVS, the virtual source VM sends a packet through the port, which is used for connectivity detection. The packet is dyed. For example, the virtual connectivity detection identifier is set for the packet. After obtaining the virtual service packet, the peer VM can determine the packet as a virtual service packet according to the virtual connectivity detection identifier, and return the response after the destination VM obtains the virtual service packet. The sender (source VM) After receiving the response, it can be determined that the source VM and the destination VM are connected. Specifically, the configuration of the message for the connectivity detection may refer to the provisions in the existing standards, and details are not described herein again.

Optionally, as another embodiment, the method for detecting a virtual network in the embodiment of the present invention may further include: when determining that the connectivity between two VMs in the network is interrupted, the network manager issues a warning prompt to notify the user that the network has connectivity. problem.

It should be noted that the examples of FIG. 1 to FIG. 9 are merely intended to assist those skilled in the art to understand the embodiments of the present invention, and the embodiments of the present invention are not limited to the specific numerical values or specific examples illustrated. A person skilled in the art can obviously perform various equivalent modifications or changes according to the examples of FIG. 1 to FIG. 9 . For example, in an actual application, in the embodiment of the present invention, the network manager can only report the reported service information. Performing the detection of the delay, the connectivity, or the packet loss rate; or, after obtaining the second total service traffic topology, performing the delay detection according to the existing manner, that is, the virtual network based on the second total service traffic topology. It is also within the scope of embodiments of the present invention to perform delay detection, such modifications or variations.

It should be understood that the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be implemented in the embodiment of the present invention. Form any limit.

A network manager of an embodiment of the present invention will be described below with reference to FIG. 10 and FIG. 12, and a computing server according to an embodiment of the present invention will be described with reference to FIGS. 11 and 13.

It will be understood that the terms "component," "module," "system," and the like, as used in this specification, are used to mean a computer-related entity, hardware, firmware, a combination of hardware and software, software, or software in execution. For example, a component can be, but is not limited to being, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and/or a computer. By way of illustration, both an application running on a computing device and a computing device can be a component. One or more components can reside within a process and/or execution thread, and the components can be located on one computer and/or distributed between two or more computers. Moreover, these components can execute from various computer readable media having various data structures stored thereon. A component may, for example, be based on signals having one or more data packets (eg, data from two components interacting with another component between the local system, the distributed system, and/or the network, such as the Internet interacting with other systems) Communicate through local and/or remote processes.

FIG. 10 shows a schematic block diagram of a network manager 1000 according to an embodiment of the present invention. Specifically, as shown in FIG. 10, the network manager 1000 includes:

The obtaining module 1010 is configured to obtain the service information in the current time period, where the service information includes the sending information and the receiving information of all the VMs located in the computing servers that are reported by the computing servers in the virtual network, where the first VM is The sending information includes the identifier information of the first VM, the identifier information of the destination VM of the service packet sent by the first VM, and the number of service packets sent by the first VM to the destination VM, where the first VM is The receiving information includes the identifier information of the first VM, the identifier information of the source VM of the service packet received by the first VM, and the number of service packets sent by the first VM by the source VM.

The detecting module 1020 is configured to detect the virtual network according to the service information.

Therefore, in the embodiment of the present invention, the network manager only detects the service packet, and does not need to detect the entire network, thereby reducing the impact of the detection on the traffic, and implementing the detection of the comprehensive and high-efficiency virtual network.

Optionally, in another embodiment, the detecting module 1020 is specifically configured to collect, according to the service information, a packet loss rate of the virtual network.

Therefore, in the embodiment of the present invention, the network manager only performs packet loss detection on the statistical service packets, and does not need to detect the entire network, thereby reducing the impact of the detection on the traffic, and the network manager detects the service packets. That is, the detection of the active VM avoids the useless detection of the inactive VM in the whole network detection, saves the network resources, and detects all the active VMs, and avoids the detection of the existence of the dead angle, and the present invention Embodiments enable the detection of a comprehensive and efficient virtual network.

Optionally, in another embodiment, the detecting module 1020 is specifically configured to generate, according to the service information, a current service traffic topology corresponding to a current time period, where the current service traffic topology includes each VM between the current cycle and the service flow. Relationship

Updating the first total service traffic topology to the second total service traffic topology according to the current service traffic topology, where the first total service traffic topology is superposed by the service traffic topology corresponding to all the time periods before the current time period, The second total service traffic topology is formed by superposing the first total service traffic topology and the current service traffic topology;

Performing connectivity detection on the virtual network according to the second total service traffic topology.

Optionally, in another embodiment, the detecting module 1020 is specifically configured to generate a difference service traffic topology according to the second total service traffic topology and the current service traffic topology, where the difference service traffic topology is the second total service The traffic topology is removed from the same part of the current traffic flow topology; connectivity detection is performed on the difference service traffic topology.

Optionally, as another embodiment, the service packet sent by the first VM and the received service packet include a first staining identifier of a current time period, where the sending information of all VMs on the computing servers is Receiving information is calculated by the respective computing servers according to the first coloring identifier of the current time period,

The dyeing identifier of the current time period is different from the dyeing identifier of the time period adjacent to the current time period.

Optionally, as another embodiment, the service information in the current time period further includes the sending timestamp information of the first service packet sent by the source VM of the first service packet, and the destination of the first service packet. The VM receives the receiving timestamp information of the first service packet,

The detecting module 1020 is further configured to calculate a service delay of the service traffic topology corresponding to each time period according to the sending timestamp information and the receiving timestamp information.

Optionally, in another embodiment, the first service packet includes a second dyed identifier of the current time period, where the first timestamp of the first service packet and the received timestamp information, The source VM of the first service packet and the calculation server where the destination VM is located are respectively recorded according to the second dye identifier of the current time period.

Optionally, in another embodiment, the time period includes a sending time period and a receiving time period, where the sending time period is the same as the starting time of the receiving time period, and the duration of the receiving time period is greater than the sending time period. Length of time;

It should be understood that the network manager 1000 shown in FIG. 10 can implement the various processes involved in the network manager in the method embodiment of FIG. The operations and/or functions of the various modules in the network manager 1000 are respectively implemented to implement the corresponding processes in the method embodiment of FIG. For details, refer to the description in the foregoing method embodiments. To avoid repetition, the detailed description is omitted here.

FIG. 11 shows a schematic block diagram of a computing server 1100 in accordance with an embodiment of the present invention. Specifically, as shown in FIG. 11, the computing server 1100 includes:

The statistics module 1110 is configured to collect, according to the current time period, the sending information and the receiving information of all the VMs located on the computing server, where the sending information of the first VM includes the identifier information of the first VM, and the first VM sends the information. The identification information of the destination VM of the service packet and the number of the service packets sent by the first VM to the destination VM, the received information of the first VM includes the identifier information of the first VM, and the identifier received by the first VM The identifier information of the source VM of the service packet and the number of service packets sent by the first VM to the source VM;

The sending module 1120 is configured to send, to the network manager, the sending information and the receiving information of all the VMs located on the computing server, so that the network manager detects the virtual network according to the service information in the current time period, where The service information includes transmission information and reception information of all VMs located on the respective computing servers reported by each computing server in the virtual network.

Therefore, in the embodiment of the present invention, the computing server collects the sending information and the receiving information of all the VMs located on the computing server in the current time period, so that the subsequent network manager can detect the service packets without performing the entire network. Detecting, thereby reducing the impact of the detection on the traffic, and the network manager detects the active packets by detecting the service packets, and avoids the useless detection of the inactive VMs in the whole network detection, thereby saving the network. The detection of all active VMs at the same time avoids the detection of the existence of dead angles, and thus the embodiment of the present invention A comprehensive and efficient detection of virtual networks is now available.

Optionally, in another embodiment, the service message and the received service message sent by the first VM include a first coloring identifier of a current time period, and the statistics module 1110 is specifically configured to use the current time period. A staining indicator counts the transmission and reception information of all VMs located on the computing server.

Optionally, as another embodiment, the dyeing identifier of the current time period is different from the dyeing identifier of the time period adjacent to the current time period.

Optionally, as another embodiment, the sending information of all the VMs that are located on the computing server, and the sending timestamp information of the first service packet sent by the source VM on the computing server;

Alternatively, the receiving information of all VMs located on the computing server that is counted by the statistic module 1110 further includes receiving timestamp information of the first service packet received by the destination VM on the computing server.

Optionally, in another embodiment, the first service packet includes a second coloring identifier of the current time period, where the statistics module is configured to record the first service according to the second coloring identifier of the current time period. Sending timestamp information or receiving timestamp information of the packet,

Optionally, as another embodiment, the time period includes a sending time period and a receiving time period,

The statistic module 1110 is specifically configured to use, in the sending time period, the sending information of all VMs located on the computing servers, and the receiving information of all the VMs located in the computing servers in the receiving time period. .

It should be understood that the computing server 1100 shown in FIG. 11 can implement the various processes involved in the computing server in the method embodiment of FIG. The operations and/or functions of the various modules in the server 1100 are calculated to implement the respective processes in the method embodiment of FIG. 3, respectively. For details, refer to the description in the foregoing method embodiments. To avoid repetition, the detailed description is omitted here.

FIG. 12 shows a schematic block diagram of a network manager 1200 in accordance with an embodiment of the present invention. Specifically, as shown in FIG. 12, the network manager 1200 includes a processor 1210 and a transceiver 1220. The processor 1210 is connected to the transceiver 1220. Optionally, the network manager 1200 further includes storage. The memory 1230 is coupled to the processor 1210. Further optionally, the network manager 1200 can further include a bus system 1240. The processor 1210, the memory 1230, and the transceiver 1220 can be connected by a bus system 1240. The memory 1230 can be used to store instructions for executing the instructions stored by the memory 1230 to control the transceiver 1220 to send and receive information or signal.

Specifically, the processor 1210 controls the transceiver 1220 to obtain the service information in the current time period, where the service information includes the sending information and the receiving information of all the VMs located in the computing servers that are reported by the computing servers in the virtual network, where The sending information of the first VM includes the identifier information of the first VM, the identifier information of the destination VM of the service packet sent by the first VM, and the number of service packets sent by the first VM to the destination VM. The receiving information of the first VM includes the identifier information of the first VM, the identifier information of the source VM of the service packet received by the first VM, and the number of service packets sent by the first VM by the source VM.

The processor 1210 detects the virtual network according to the service information.

It should be understood that, in the embodiment of the present invention, the processor 1210 may be a central processing unit (hereinafter referred to as “the short”), and the processor 1210 may also be another general-purpose processor and a digital signal processor (DSP). ), application specific integrated circuits (ASICs), off-the-shelf programmable gate arrays (FPGAs) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, and the like. The general purpose processor may be a microprocessor or the processor or any conventional processor or the like.

The memory 1230 can include read only memory and random access memory and provides instructions and data to the processor 1210. A portion of the memory 1230 can also include a non-volatile random access memory. For example, the memory 1230 can also store information of the device type.

The bus system 1240 may include a power bus, a control bus, a status signal bus, and the like in addition to the data bus. However, for clarity of description, various buses are labeled as bus system 1240 in the figure.

In the implementation process, each step of the above method may pass through a set of hardware in the processor 1210. The instructions in the form of logic circuits or software are completed. The steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor. The software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like. The storage medium is located in the memory 1230, and the processor 1210 reads the information in the memory 1230 and, in conjunction with its hardware, performs the steps of the above method. To avoid repetition, it will not be described in detail here.

Optionally, in another embodiment, the processor 1210 is specifically configured to collect, according to the service information, a packet loss rate of the virtual network.

Optionally, in another embodiment, the processor 1210 is specifically configured to generate, according to the service information, a current service traffic topology corresponding to a current time period, where the current service traffic topology includes each VM between the current cycle and the service flow. Relationship

Optionally, in another embodiment, the processor 1210 is specifically configured to generate a difference service traffic topology according to the second total service traffic topology and the current service traffic topology, where the difference service traffic topology is the second total service The traffic topology is removed from the same part of the current traffic flow topology; connectivity detection is performed on the difference service traffic topology.

Wherein the coloring identifier of the current time period is adjacent to the current time period The staining logo is different.

The processor 1210 is further configured to calculate a service delay of the service traffic topology corresponding to each time period according to the sending timestamp information and the received timestamp information.

Optionally, in another embodiment, the first service packet includes a second coloring identifier of the current time period, where the sending timestamp information of the first service packet and the receiving timestamp information are the first The source VM of a service packet and the calculation server where the destination VM is located are respectively recorded according to the second staining identifier of the current time period.

It should be understood that the network manager 1200 shown in FIG. 12 can implement the various processes involved in the network manager in the method embodiment of FIG. The operations and/or functions of the various modules in the network manager 1200 are respectively implemented to implement the corresponding processes in the method embodiment of FIG. For details, refer to the description in the foregoing method embodiments. To avoid repetition, the detailed description is omitted here.

FIG. 13 shows a schematic block diagram of a computing server 1300 in accordance with an embodiment of the present invention. Specifically, as shown in FIG. 13, the computing server 1300 includes a processor 1310 and a transceiver 1320. The processor 1310 is connected to the transceiver 1320. Optionally, the computing server 1300 further includes a memory 1330, a memory 1330 and a processor. 1310 is connected. Further optionally, the computing server 1300 can also include a bus system 1340. The processor 1310, the memory 1330, and the transceiver 1320 may be connected by a bus system 1340, where the memory 1330 may be used to store instructions, and the processor 1310 is configured to execute instructions stored in the memory 1330 to control the transceiver 1320 to send and receive information or signal.

Specifically, the processor 1310 is configured to collect, according to the current time period, the sending information and the receiving information of all the VMs located on the computing server, where the sending information of the first VM includes the first The identifier information of the VM, the identifier information of the destination VM of the service packet sent by the first VM, and the number of service packets sent by the first VM to the destination VM, where the received information of the first VM includes the first The identifier information of the VM, the identifier information of the source VM of the service packet received by the first VM, and the number of service packets sent by the first VM to the source VM;

The transceiver 1320 is configured to send, to the network manager, the sending information and the receiving information of all the VMs located on the computing server, so that the network manager detects the virtual network according to the service information in the current time period, where the The service information includes transmission information and reception information of all VMs located on the respective computing servers reported by each computing server in the virtual network.

It should be understood that, in the embodiment of the present invention, the processor 1310 may be a central processing unit (hereinafter referred to as “the short”), and the processor 1310 may also be another general-purpose processor and a digital signal processor (DSP). ), application specific integrated circuits (ASICs), off-the-shelf programmable gate arrays (FPGAs) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, and the like. The general purpose processor may be a microprocessor or the processor or any conventional processor or the like.

The memory 1330 can include read only memory and random access memory and provides instructions and data to the processor 1310. A portion of the memory 1330 can also include a non-volatile random access memory. For example, the memory 1330 can also store information of the device type.

The bus system 1340 may include a power bus, a control bus, a status signal bus, and the like in addition to the data bus. However, for clarity of description, various buses are labeled as bus system 1340 in the figure.

In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in the processor 1310 or an instruction in a form of software. The steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor. The software module can be located in a random access memory, a flash memory, a read only memory, a programmable read only memory or an electrically erasable programmable memory, a register, etc., and a mature storage medium in the field. in. The storage medium is located in the memory 1330, and the processor 1310 reads the information in the memory 1330 and performs the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.

Optionally, in another embodiment, the service message and the received service message sent by the first VM include a first coloring identifier of a current time period, and the processor 1310 is specifically configured to use, according to a current time period. A staining indicator counts the transmission and reception information of all VMs located on the computing server.

Optionally, as another embodiment, the sending information of all VMs that are located on the computing server that is calculated by the processor further includes sending timestamp information that the source VM sends the first service packet on the computing server;

Alternatively, the receiving information of all VMs located on the computing server that is calculated by the processor further includes receiving timestamp information of the first service packet received by the destination VM on the computing server.

Optionally, in another embodiment, the first service packet includes a second coloring identifier of the current time period, where the processor 1310 is specifically configured to record the first color according to the second coloring identifier of the current time period. Send timestamp information or receive timestamp information of service packets.

The processor 1310 is specifically configured to use, in the sending time period, the sending information of all VMs located on the computing servers, and the receiving information of all VMs located in the computing servers in the receiving time period. .

It should be understood that the computing server 1300 shown in FIG. 13 can implement the various processes involved in the computing server in the method embodiment of FIG. The operations and/or functions of the various modules in the server 1300 are calculated to implement the respective processes in the method embodiment of FIG. 3, respectively. For details, refer to the description in the foregoing method embodiments. To avoid repetition, the detailed description is omitted here.

FIG. 14 shows a schematic block diagram of a virtual network system in accordance with an embodiment of the present invention. The virtual network system 1400 shown in FIG. 14 includes: a network manager 1410 and at least one computing service Server 1420.

The computing server 1420 is configured to collect the sending information and the receiving information of all the virtual machine VMs located on the computing server 1420 in the current time period, and send all the VMs located on the computing server 1420 to the network manager 1410. Sending information and receiving information;

The network manager 1410 is configured to detect the virtual network according to the service information, where the service information includes the sending information and the receiving information of all the VMs located on the computing servers 1420 reported by the computing servers 1420 in the virtual network system.

It should be understood that the network manager 1410 corresponds to the network manager shown in FIG. 10 and FIG. 12, and the operations and/or functions of the respective modules in the network manager 1410 can be referred to the above embodiments in FIG. 10 and FIG. Description, in order to avoid repetition, the detailed description is omitted as appropriate herein.

The computing server 1420 corresponds to the computing server shown in FIG. 11 and FIG. 13 . The operations and/or functions of the various modules in the computing server 1420 can be referred to the description in the foregoing embodiment of FIG. 11 and FIG. 13 to avoid duplication. Detailed descriptions are omitted as appropriate herein.

It should also be understood that the virtual network system 1400 shown in FIG. 14 corresponds to the virtual network shown in FIG. 1 and FIG. 2. The specific architecture of the virtual network system 1400 can refer to the corresponding descriptions of FIG. 1 and FIG. 2, in order to avoid duplication. I won't go into details here.

It is to be understood that the phrase "one embodiment" or "an embodiment" or "an" Thus, "in one embodiment" or "in an embodiment" or "an" In addition, these particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. It should be understood that, in various embodiments of the present invention, the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be taken to the embodiments of the present invention. The implementation process constitutes any limitation.

Additionally, the terms "system" and "network" are used interchangeably herein. The term "and/or" in this context is merely an association that describes an associated object, indicating that there can be three relationships. For example, A and/or B may indicate that A exists separately, and A and B exist simultaneously, and B cases exist alone. In addition, the character "/" in this article generally indicates that the contextual object is an "or" relationship.

It should be understood that in the embodiment of the present invention, "B corresponding to A" means that B is associated with A, and B can be determined according to A. However, it should also be understood that determining B from A does not mean that B is only determined based on A, and that B can also be determined based on A and/or other information.

Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the various examples described in connection with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of both, for clarity of hardware and software. Interchangeability, the composition and steps of the various examples have been generally described in terms of function in the above description. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods for implementing the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present invention.

A person skilled in the art can clearly understand that, for the convenience and brevity of the description, the specific working process of the system, the device and the unit described above can refer to the corresponding process in the foregoing method embodiment, and details are not described herein again.

In the several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of cells is only a logical function division. In actual implementation, there may be another division manner. For example, multiple units or components may be combined or integrated. Go to another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, or an electrical, mechanical or other form of connection.

The units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present invention.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.

Through the description of the above embodiments, those skilled in the art can clearly understand that the present invention can be implemented in hardware, firmware implementation, or a combination thereof. When implemented in software, the functions described above may be stored in or transmitted as one or more instructions or code on a computer readable medium. Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another. A storage medium may be any available media that can be accessed by a computer. By way of example and not limitation, computer readable media may comprise RAM, ROM, EEPROM, CD-ROM or other optical disk storage, disk storage media or other magnetic storage device, or can be used for carrying or storing in the form of an instruction or data structure. The desired program code and any other medium that can be accessed by the computer. Also. Any connection may suitably be a computer readable medium. For example, if the software is transmitted from a website, server, or other remote source using coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or wireless technologies such as infrared, radio, and microwave, then the coaxial cable , fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, wireless, and microwave are included in the fixing of the associated media. As used in the present invention, a disk and a disc include a compact disc (CD), a laser disc, a compact disc, a digital versatile disc (DVD), a floppy disk, and a Blu-ray disc, wherein the disc is usually magnetically copied, and the disc is The laser is used to optically replicate the data. Combinations of the above should also be included within the scope of the computer readable media.

In summary, the above description is only a preferred embodiment of the technical solution of the present invention, and is not intended to limit the scope of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

A method for monitoring a virtual network, comprising:

The network manager obtains the service information in the current time period, where the service information includes the sending information and the receiving information of all the virtual machine VMs located on the respective computing servers reported by the computing servers in the virtual network, where The sending information of the VM includes the identifier information of the first VM, the identifier information of the destination VM of the service packet sent by the first VM, and the number of service packets sent by the first VM to the destination VM. The receiving information of the first VM includes the identifier information of the first VM, the identifier information of the source VM of the service packet received by the first VM, and the first VM receives the service report sent by the source VM. Number of texts;

The network manager detects the virtual network according to the service information.
The method of claim 1 wherein

The network manager detects the virtual network according to the service information, including:

The network manager collects a packet loss rate of the virtual network according to the service information.
The method according to claim 1 or 2, wherein the network manager detects the virtual network according to the service information, including:

The network manager generates a current service traffic topology corresponding to a current time period according to the service information, where the current service traffic topology includes an association relationship between VMs having a service flow in a current period;

The network manager updates the first total service traffic topology to the second total service traffic topology according to the current service traffic topology, where the first total service traffic topology is corresponding to all time periods before the current time period. The traffic flow topology is superposed, and the second total service traffic topology is formed by superposing the first total service traffic topology and the current service traffic topology;

The network manager performs connectivity detection on the virtual network according to the second total service traffic topology.
The method of claim 3 wherein:

The network manager performs connectivity detection on the virtual network according to the second total service traffic topology, including:

And the network manager generates a difference service traffic topology according to the second total service traffic topology and the current service traffic topology, where the difference service traffic topology is removed from the second total service traffic topology and the current The topology of the same part of the traffic flow topology;

The network manager performs connectivity detection on the difference service traffic topology.
The method according to any one of claims 1 to 4, characterized in that

The service message and the received service message sent by the first VM include a first coloring identifier of a current time period, where the sending information and the receiving information of all VMs on the respective computing servers are the respective computing servers. According to the first staining identifier of the current time period,

The first coloring identifier of the current time period is different from the first coloring identifier of a time period adjacent to the current time period.
The method according to any one of claims 1 to 5, characterized in that

The service information in the current time period further includes the sending timestamp information of the first service packet sent by the source VM of the first service packet, and the destination VM of the first service packet receiving the first Receive timestamp information of service packets,

The network manager detects the virtual network according to the service information, and further includes:

The network manager calculates a service delay of the virtual network according to the sending timestamp information and the received timestamp information.
The method of claim 6 wherein:

The first service packet includes a second coloring identifier of the current time period, where the sending timestamp information and the receiving timestamp information of the first service packet are the first service packet. The computing server where the source VM and the destination VM are located are respectively recorded according to the second coloring identifier of the current time period,

The second coloring identifier of the current time period is different from the second coloring identifier of a time period adjacent to the current time period.
The method according to any one of claims 1 to 7, wherein the time period comprises a transmission time period and a reception time period,

The sending time period is the same as the starting time of the receiving time period, and the duration of the receiving time period is greater than the duration of the sending time period;

The sending information and the receiving information of all the VMs on the computing servers are counted by the respective computing servers in the sending time period and the receiving time period.
A method for monitoring a virtual network, comprising:

The computing server collects the sending information and the receiving information of all the virtual machine VMs located on the computing server in the current time period, where the sending information of the first VM includes the identification information of the first VM, the first VM The identifier information of the destination VM of the sent service packet and the number of service packets sent by the first VM to the destination VM, where the first VM is connected The receiving information includes the identifier information of the first VM, the identifier information of the source VM of the service packet received by the first VM, and the number of the service packets sent by the first VM by the first VM.

The computing server sends the sending information and the receiving information of all VMs located on the computing server to the network manager, so that the network manager detects the virtual network according to the service information in the current time period, where The service information includes transmission information and reception information of all VMs located on the respective computing servers reported by each computing server in the virtual network.
The method of claim 9 wherein:

The service packet sent by the first VM and the received service packet include a first dyed identifier of the current time period.

The computing server collects the sending information and the receiving information of all the VMs located on the computing server in the current time period, including:

The computing server collects, according to the first coloring identifier of the current time period, the sending information and the receiving information of all the VMs located on the computing server,

The dyeing identifier of the current time period is different from the dyeing identifier of a time period adjacent to the current time period.
Method according to claim 9 or 10, characterized in that

The sending information of all the VMs on the computing server that are calculated by the computing server further includes sending timestamp information of the first service packet sent by the source VM on the computing server;

or,

The receiving information of all VMs located on the computing server, which is calculated by the computing server, further includes receiving timestamp information of the first service packet received by the destination VM on the computing server.
The method of claim 11 wherein

The first service packet includes a second coloring identifier of the current time period, where the sending timestamp information or the receiving timestamp information of the first service packet is the first time according to the current time period of the computing server. The second staining mark is recorded,

The second coloring identifier of the current time period is different from the second coloring identifier of a time period adjacent to the current time period.
The method according to any one of claims 9 to 12, wherein the time period comprises a transmission time period and a reception time period,

The transmission time period is the same as the start time of the reception time period, and the receiving The duration of the time period is greater than the duration of the transmission time period;

The computing server collects the sending information and the receiving information of all the VMs located on the computing server in the current time period, including:

The computing server collects transmission information of all VMs located on the respective computing servers during the sending time period, and collects receiving information of all VMs located on the respective computing servers during the receiving time period.
A network manager, comprising:

An obtaining module, configured to acquire service information in a current time period, where the service information includes sending information and receiving information of all virtual machine VMs located on the computing servers, which are reported by each computing server in the virtual network, where The sending information of the first VM includes the identifier information of the first VM, the identifier information of the destination VM of the service packet sent by the first VM, and the service packet sent by the first VM to the destination VM. The receiving information of the first VM, the identifier information of the first VM, the identifier information of the source VM of the service packet received by the first VM, and the first VM receiving the sending by the source VM Number of service packets;

And a detecting module, configured to detect the virtual network according to the service information.
The network manager of claim 14 wherein:

The detecting module is specifically configured to collect a packet loss rate of the virtual network according to the service information.
A network manager according to claim 14 or 15, wherein

The detecting module is configured to generate a current service traffic topology corresponding to a current time period according to the service information, where the current service traffic topology includes an association relationship between VMs having a service flow in a current period;

Updating the first total service traffic topology to the second total service traffic topology according to the current service traffic topology, where the first total service traffic topology is superposed by the service traffic topology corresponding to all the time periods before the current time period. The second total service traffic topology is formed by superposing the first total service traffic topology and the current service traffic topology;

Performing connectivity detection on the virtual network according to the second total service traffic topology.
The network manager of claim 16 wherein:

The detecting module is specifically configured to generate a difference service traffic topology according to the second total service traffic topology and the current service traffic topology, where the difference service traffic topology is the second total service traffic topology removed and The topology of the same part of the current service traffic topology; and the connectivity detection of the difference service traffic topology.
A network manager according to any one of claims 14 to 17, wherein

The service message and the received service message sent by the first VM include a first coloring identifier of a current time period, where the sending information and the receiving information of all VMs on the respective computing servers are the respective computing servers. According to the first staining identifier of the current time period,

The dyeing identifier of the current time period is different from the dyeing identifier of a time period adjacent to the current time period.
A network manager according to any one of claims 14 to 18, characterized in that

The service information in the current time period further includes the sending timestamp information of the first service packet sent by the source VM of the first service packet, and the destination VM of the first service packet receiving the first Receive timestamp information of service packets,

The detecting module is further configured to calculate a service delay of the service traffic topology corresponding to each time period according to the sending timestamp information and the receiving timestamp information.
A network manager according to claim 19, wherein

The first service packet includes a second coloring identifier of the current time period, where the sending timestamp information and the receiving timestamp information of the first service packet are the first service packet. The computing server where the source VM and the destination VM are located are respectively recorded according to the second coloring identifier of the current time period,

The second coloring identifier of the current time period is different from the second coloring identifier of a time period adjacent to the current time period.
The network manager according to any one of claims 14 to 20, wherein the time period comprises a transmission time period and a reception time period,

The sending time period is the same as the starting time of the receiving time period, and the duration of the receiving time period is greater than the duration of the sending time period;

The sending information and the receiving information of all the VMs on the computing servers are counted by the respective computing servers in the sending time period and the receiving time period.
A computing server, comprising:

a statistic module, configured to collect, in a current time period, the sending information and the receiving information of all the virtual machine VMs located on the computing server, where the sending information of the first VM includes the identifier information of the first VM, The identifier information of the destination VM of the service packet sent by the first VM and the number of service packets sent by the first VM to the destination VM, where the received information of the first VM includes the identifier of the first VM Information, a source of the service message received by the first VM Identification information of the VM and the number of service messages sent by the first VM by the first VM;

a sending module, configured to send, to the network manager, sending information and receiving information of all VMs located on the computing server, so that the network manager detects the virtual network according to service information in a current time period, The service information includes transmission information and reception information of all VMs located on the respective computing servers reported by each computing server in the virtual network.
The computing server of claim 22 wherein:

The service packet sent by the first VM and the received service packet include a first dyed identifier of the current time period.

The statistic module is specifically configured to collect, according to the first coloring identifier of the current time period, statistics of sending and receiving information of all VMs located on the computing server,

The dyeing identifier of the current time period is different from the dyeing identifier of a time period adjacent to the current time period.
A computing server according to claim 22 or 23, wherein

The sending information of all the VMs that are located on the computing server, and the sending timestamp information of the first service packet sent by the source VM on the computing server;

or,

The receiving information of all VMs located on the computing server, which is calculated by the statistics module, further includes receiving timestamp information of the first service packet received by the destination VM on the computing server.
The computing server of claim 24 wherein:

The first service packet includes a second coloring identifier of the current time period, where the statistics module is configured to record a sending timestamp of the first service packet according to a second coloring identifier of a current time period. Information or receive timestamp information,

The second coloring identifier of the current time period is different from the second coloring identifier of a time period adjacent to the current time period.
A computing server according to any one of claims 22 to 25, wherein

The time period includes a transmission time period and a reception time period.

The sending time period is the same as the starting time of the receiving time period, and the duration of the receiving time period is greater than the duration of the sending time period;

The statistic module is specifically configured to send, according to the statistics of all VMs located on the computing servers, in the sending time period, where the statistics are located in the receiving time period. Receive information of all VMs on the respective computing servers.
A virtual network system, comprising:

A network manager according to any one of claims 14 to 21, and a computing server according to any one of claims 22 to 26.

The computing server is configured to collect sending information and receiving information of all virtual machine VMs located on the computing server in a current time period, and send all VMs located on the computing server to the network manager. Sending information and receiving information;

The network manager is configured to detect the virtual network according to the service information, where the service information includes sending information and receiving information of all VMs located on the computing servers reported by each computing server in the virtual network system.