CN104303465A - Network congestion processing method, network node, and network system - Google Patents
Network congestion processing method, network node, and network system Download PDFInfo
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- CN104303465A CN104303465A CN201380001288.8A CN201380001288A CN104303465A CN 104303465 A CN104303465 A CN 104303465A CN 201380001288 A CN201380001288 A CN 201380001288A CN 104303465 A CN104303465 A CN 104303465A
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Abstract
Embodiments of the present invention provide a network congestion processing method, a network node, and a network system. The method comprises: an ingress node of a network receiving network congestion information sent by an egress node, the network congestion information comprising an address of the egress node, a congestion amount, and an address of an intermediate node where congestion occurs; determining a path of network congestion according to the address of the egress node and the address of the intermediate node; determining, according to the path, a data stream that needs to pass through the path and is in the data stream entering a network; and controlling, according to the congestion amount, user subscription information, and a network control policy, the data stream that needs to pass through the path. Technical solutions of the embodiments of the present invention can effectively process the network congestion, and improve a congestion processing effect.
Description
The present embodiments relate to the network communications technology, more particularly to a kind of network congestion processing method, network node and network system for network congestion processing method, network node and network system technical field.Background technology
Because the data transmission capabilities of network are limited, congestion phenomenon will be produced in a network when the data traffic transmitted in network exceeds the transmittability of network, for example, intermediate node in approach network, when data traffic such as router exceeds the disposal ability of router, network congestion will be produced in router, now be accomplished by handling network congestion, otherwise will influence the data transfer of proper network.At present, when there is congestion in network node in network, typically Cai is handled Yong the Lost modes for abandoning packet, to avoid network congestion from impacting whole network data transfer, but this Tong Guo Lost abandon the mode of packet, and corresponding business can be had a negative impact, for example, for VoIP, the data transfer of video traffic, Ruo Cai abandon the mode of packet Yong Lost, it will influence user's using effect of these business；Meanwhile, Cai is when Lost abandons packet, after data sending terminal Shuo Ju Bao Lost are abandoned, and still carries out the repeating transmission of packet, this can cause the wasting of resources, while also aggravating congestion.
A kind of Explicit Congestion Notification for being used to carry out congestion control is it is also proposed in the prior art（Explicit Congestion Notification, ECN) mechanism, it is to dispose ECN mechanism by the transmitting terminal in data and the receiving terminal of data, when there is congestion in intermediate node in a network, transmitting terminal is notified by receiving terminal, the data sent to receiving terminal are controlled, because this mode is that data stream is controlled by the transmitting terminal of data, whole network situation is not accounted for, cause congestion treatment effect poor, and when receiving terminal and transmitting terminal do not support ECN mechanism, it is impossible to carry out congestion processing.For this, prior art it is also proposed a kind of network congestion handling mechanism, shift to an earlier date congestion notification (Pre-Congestion Notification, PCN) mechanism, it is to dispose PCN mechanism by the Ingress node in network and Egress node, congestion marking is carried out to the packet of non-resilient data flow by intermediate node, so that the non-resilient packet of mark to be forwarded as congestion data bag, Egress node is by counting the quantity of congestion data bag, to obtain current network congestion situation, and send network congestion to Ingress node, so that Ingress node can be based on the congestion situation to entering to network by Ingress node
The flow of the non-resilient data flow of network is controlled, to reduce network congestion.
But, in the network congestion processing of existing use PCN mechanism, Ingress node is received after congestion notification, all non-resilient data for entering network by Ingress node can be limited, and the non-resilient data in part from Ingress node into network are frequently not to cause the data of congestion, this can cause the specific aim of web impact factor poor, and congestion treatment effect is poor；Meanwhile, existing Ingress node is only limited non-resilient data flow, and network congestion is caused to Optimized Data Flow Communications Using, then can not be handled.The content of the invention
The embodiment of the present invention provides a kind of network congestion processing method, network node and network system, can effectively improve the specific aim of network congestion processing data, improves congestion treatment effect.
In a first aspect, the embodiment of the present invention provides a kind of network congestion processing method, including：The Ingress node of network receives the network congestion information that Egress node is sent, and the network congestion information includes address, congestion amount and the address for the intermediate node of congestion occur of the Egress node；
According to the address of the Egress node and the address of the intermediate node, the path of network congestion is determined；
Determined to need the data flow by the path into the data flow of the network according to the path；
The data flow by the path is needed to be controlled to described according to the congestion amount, user signing contract information and network control strategy.
It is described to need the data flow by the path to be controlled to described according to the congestion amount, user signing contract information and network control strategy with reference in a first aspect, in the first possible implementation, including：
Determined to need the corresponding business of each data flow by the path according to the user signing contract information, and the priority of the corresponding business of each data flow by the path is needed based on network control strategy determination；
In each data flow by the path is needed, according to the congestion amount, preferentially the business corresponding data flow low to priority is controlled.
It is described to determine to need the priority of the corresponding business of each data flow by the path based on the network control strategy in second of possible implementation with reference to the first possible implementation of first aspect, including：
According to the priority in the geographical position in the path set in the network control strategy, it is determined that the priority of the corresponding business of data flow by the path.
With reference to first aspect or the first of first aspect or two kind of possible implementation, in the third possible implementation, it is described to need the data flow by the path to be controlled to described according to the congestion amount, user signing contract information and network control strategy, including：
According to the congestion amount, the transmission rate for needing all data flows by the path is controlled, or the transmission rate of at least a portion data flow is limited or forbids sending.
Second aspect, the embodiment of the present invention provides a kind of network congestion processing method, including：The Egress node of network receives the congestion data bag that intermediate node is sent, and the congestion data bag is the packet that the packet of forwarding is marked when the intermediate node produces congestion；
According to the quantity of the congestion data bag of reception, congestion amount is determined；
Network congestion information is sent to the Ingress node of the network, the network congestion information includes：The address of the congestion amount, the address of the Egress node and the intermediate node, so that the Ingress node determines the path of network congestion and to entering network by the Ingress node and being controlled by the data flow in the path based on the network congestion information.
The third aspect, the embodiment of the present invention provides a kind of network node, including：
Receiving module, for receiving the network congestion information that the Egress node of network is sent, the network congestion information includes address, congestion amount and the address for the intermediate node of congestion occur of the Egress node；
Processing module, for the network congestion information middle outlet address of node received according to the receiving module and the address of intermediate node, determine the path of network congestion, and determined to need the data flow by the path into the data flow of the network according to the path, and need the data flow by the path to be controlled to described according to the congestion amount, user signing contract information and network control strategy.
With reference to the third aspect, in the first possible implementation, the processing module, specifically for being determined to need the corresponding business of each data flow by the path according to the user signing contract information, and determine to need the priority of the corresponding business of each data flow by the path based on the network control strategy, and in each data flow by the path is needed, according to the congestion amount, preferentially the business corresponding data flow low to priority is controlled.
With reference to the first possible implementation of the third aspect, in second of possible implementation, institute
Processing module is stated, specifically for the priority in the geographical position according to the path set in the network control strategy, it is determined that the priority of the corresponding business of data flow by the path.
With reference to the third aspect or the first of the third aspect or two kind of possible implementation, in the third possible implementation, the processing module, specifically for according to the congestion amount, the transmission rate for needing all data flows by the path is controlled, or the transmission rate of at least a portion data flow is limited or forbids sending.
Fourth aspect, the embodiment of the present invention provides in a kind of network node, including receiver, memory and the processor being connected with the memory, the memory and stores batch processing code, wherein：The receiver, for receiving the network congestion information that the Egress node of network is sent, the network congestion information includes address, congestion amount and the address for the intermediate node of congestion occur of the Egress node；
The processor, for performing the program code stored in the memory, with the network congestion information middle outlet address of node received according to the receiver and the address of intermediate node, determine the path of network congestion, and determined to need the data flow by the path into the data flow of the network according to the path, and need the data flow by the path to be controlled to described according to the congestion amount, user signing contract information and network control strategy.
With reference to fourth aspect, in the first possible implementation, the processor, specifically for being determined to need the corresponding business of each data flow by the path according to the user signing contract information, and determine to need the priority of the corresponding business of each data flow by the path based on the network control strategy, and in each data flow by the path is needed, according to the congestion amount, preferentially the business corresponding data flow low to priority is controlled.
With reference to the first possible implementation of fourth aspect, in second of possible implementation, the processor, specifically for the priority in the geographical position according to the path set in the network control strategy, it is determined that the priority of the corresponding business of data flow by the path.
With reference to fourth aspect or the first of fourth aspect or two kind of possible implementation, in the third possible implementation, the processor, specifically for according to the congestion amount, the transmission rate for needing all data flows by the path is controlled, or the transmission rate of at least a portion data flow is limited or forbids sending.
5th aspect, the embodiment of the present invention provides a kind of network node, including：
Receiving module, for receiving the congestion data bag that intermediate node is sent, the congestion data bag is
The packet that the packet of forwarding is marked when the intermediate node produces congestion；Processing module, for the quantity of the congestion data bag received according to the receiving module, determines congestion amount, and obtains network congestion information, and the network congestion information includes：The address of the congestion amount, the address of the Egress node and the intermediate node；
Sending module, for sending the network congestion information that the processing module is obtained to the Ingress node of the network, so that the Ingress node determines the path of network congestion and to entering network by the Ingress node and being controlled by the data flow in the path based on the network congestion information.
6th aspect, the embodiment of the present invention provides in a kind of network node, including receiver, emitter, memory and the processor being connected with the memory, the memory and stores batch processing code, wherein：
The receiver, the congestion data bag for receiving intermediate node transmission, the congestion data bag is the packet that the packet of forwarding is marked when the intermediate node produces congestion；
The processor, for performing the program code stored in the memory, with the quantity of the congestion data bag received according to the receiver, determining congestion amount, and obtains network congestion information, the network congestion information includes：The address of the congestion amount, the address of the Egress node and the intermediate node；
The emitter, for sending the network congestion information that the processor is obtained to the Ingress node of the network, so that the Ingress node determines the path of network congestion and to entering network by the Ingress node and being controlled by the data flow in the path based on the network congestion information.
7th aspect, the embodiment of the present invention provides a kind of network system, including：Ingress node, intermediate node and Egress node, wherein, the Ingress node for using the third aspect the first of the third aspect or two or three kind of possible implementation or fourth aspect the network node that provides of first or two or three kind of possible implementation, the Egress node is using the network node provided in terms of the 5th or in terms of the 6th.
The embodiment of the present invention can by the Egress node that is carried in network congestion information, cause the intermediate node of congestion to determine the path of network congestion, so as to need the data flow in the path by the congestion to be controlled to entering in network, to reduce the data traffic by the path, so that the specific aim of network congestion processing data is stronger, network congestion treatment effect can be effectively provided, network congestion is reduced or eliminated.Brief description of the drawings
Fig. 1 is the schematic flow sheet for the network congestion processing method that the embodiment of the present invention one is provided；Fig. 2A is the schematic flow sheet for the network congestion processing method that the embodiment of the present invention two is provided；Fig. 2 B are the network scenarios schematic diagram that the embodiment of the present invention two is applied；
Fig. 3 A are the tunneled network schematic diagram of a scenario that the network congestion processing method that the embodiment of the present invention three is provided is applied to the network using tunneling technique；
Fig. 3 B are the schematic flow sheet for the network congestion processing method that the embodiment of the present invention three is provided；Fig. 4 is the schematic flow sheet for the network congestion processing method that the embodiment of the present invention four is provided；Fig. 5 is the structural representation for the network node that the embodiment of the present invention five is provided；
Fig. 6 is the structural representation for the network node that the embodiment of the present invention six is provided；
Fig. 7 is the structural representation for the network node that the embodiment of the present invention seven is provided；
Fig. 8 is the structural representation for the network node that the embodiment of the present invention eight is provided；
Fig. 9 is the structural representation for the network system that the embodiment of the present invention nine is provided.
Embodiment
Fig. 1 is the schematic flow sheet for the network congestion processing method that the embodiment of the present invention one is provided.The present embodiment can be applied in network congestion processing, it can be realized in the Ingress node of network and the data for causing network congestion are controlled, to reduce or eliminate network congestion, specifically, as shown in figure 1, the present embodiment method may include following steps：
Step 101, the Ingress node of network receive the network congestion information that Egress node is sent, and the network congestion information includes address, congestion amount and the address for the intermediate node of congestion occur of the Egress node；
Step 102, Ingress node determine the path of network congestion according to the address of Egress node and the address of intermediate node；
Step 103, Ingress node determine to need the data flow by the path into the data flow of network according to the path；
Step 104, Ingress node are according to congestion amount, user signing contract information and the network control strategy to needing the data flow by the path to be controlled.
In the present embodiment, the Egress node of network can gather and obtain the congestion situation of the intermediate node of network, obtain congestion information, congestion information can be sent to Ingress node simultaneously so that Ingress node can enter network based on above-mentioned steps 101- steps 104 pair and the data flow in the path Jing Guo congestion is controlled
The data traffic of congestion path, reduces or eliminates network congestion in system, reduction network.
It will be appreciated by those skilled in the art that, in above-mentioned steps 103, it is determined that the data flow in the path into network and by the network congestion determined can be one or more data flows, data stream is controlled, the data flow traffic in the path exactly to entering from Ingress node and Jing Guo network congestion is controlled.
To sum up, network congestion processing method provided in an embodiment of the present invention, can by the Egress node that is carried in network congestion information, cause the intermediate node of congestion to determine the path of network congestion, so as to be controlled to the data flow for entering the path of the approach congestion in network, to reduce the data traffic by the path, so that the specific aim of network congestion processing data is stronger, network congestion treatment effect can be effectively provided, network congestion is reduced or eliminated.
Fig. 2A is the schematic flow sheet for the network congestion processing method that the embodiment of the present invention two is provided；Fig. 2 B are the network scenarios schematic diagram that the embodiment of the present invention two is applied.As shown in Figure 2 B, the network of the present embodiment method application includes Ingress node, intermediate node and Egress node, wherein, the transmitting terminal of data can send data to network by Ingress node, intermediate node can send the data in network to the receiving terminal of data, described Ingress node, intermediate node and Egress node can be the various network equipments, and such as router, and an intermediate node can be connected with multiple Ingress nodes and multiple Egress nodes；Network congestion processing node and congestion information acquisition node are also deployed with the network, wherein network congestion processing node is used to handle the network congestion information that congestion information acquisition node is gathered.Specifically, as shown in Figure 2 A and 2 B, the present embodiment network congestion processing method may include following steps：When step 201, intermediate node detect itself and network congestion occur, it would be desirable to which the packet of forwarding is marked, and obtains congestion data bag and is forwarded.
Step 202, Egress node receive the packet of intermediate node forwarding, and during for congestion data bag, congestion information acquisition node is notified, the quantity for being forwarded to the congestion data bag of Egress node to intermediate node by congestion information acquisition node is counted, and determines congestion amount.
Step 203, congestion information acquisition node will count obtained congestion amount, and the address of Egress node and the address of intermediate node are as network congestion information, and the network congestion information is sent to network congestion processing node.
Step 204, network congestion processing node are received after the network congestion information, according to network congestion information middle outlet address of node and the address of intermediate node, the path of network congestion is determined, and the path of the congestion and congestion amount are sent to Ingress node.
Step 205, Ingress node are received after path and the congestion amount of the congestion, you can according to the congestion amount, to needing to be controlled from the data flow that the Ingress node enters network and the approach intermediate node and Egress node.
The network of the present embodiment method application, network congestion processing node and congestion information acquisition node can be disposed in conventional network system, to obtain network congestion information and network congestion information handled, Ingress node wherein described in Fig. 2 B, intermediate node and Egress node are the network node that legacy network is disposed, network congestion processing node can be deployed at the Ingress node of network, congestion information acquisition node can be deployed at the Egress node of network, and congestion information acquisition node can be communicated to connect with each Ingress node in network, congestion information acquisition node can be communicated to connect with each Egress node in network.
In above-mentioned steps 201, as long as intermediate node, which is detected, there is network congestion, you can carry out congestion marking to packet, and the congestion data bag after congestion marking is forwarded.
In the present embodiment, congestion marking is carried out to data, specifically congestion marking can be carried out using ECN mechanism, specifically, 2 bits that can be in the IP heads of data IP bags in Type Of Service TOS field, carry out ECN marks, to represent the IP bags as congestion data bag to IP bags.Wherein, congestion marking is carried out using ECN mechanism, alternatively referred to as ECN marks, its specific mark mode and existing ECN marks are same or like, will not be repeated here.It will be understood by those skilled in the art that, it is necessary to which each network node that each network node in a network is disposed in ECN mechanism, i.e. network supports ECN mechanism when carrying out congestion marking using ECN mechanism.
It will be appreciated by those skilled in the art that, in practical application in addition to carrying out congestion marking using ECN mechanism, also other modes can be used, for example, certain bits in IP bags as congestion data bag specific markers position, by the numerical value for changing the certain bits, you can determine whether to have carried out congestion marking, and then determine whether for congestion data bag.
It will be appreciated by those skilled in the art that, when intermediate node described in above-mentioned steps 201 detects that itself network congestion occurs, it can specifically refer to intermediate node when detecting data traffic beyond certain limit or threshold value, itself can be defined as to network congestion occur, it can for example detect network congestion itself whether occur using active queue management AQM, the present embodiment that is embodied in of network congestion detection is not particularly limited.
In above-mentioned steps 202, when Egress node receives the congestion data bag of intermediate node forwarding, you can notify congestion information acquisition node to count the quantity of congestion data bag, due to congestion data bag
It is that intermediate node occurs just produce during congestion, therefore, the number of the quantity of the congestion data bag received can feed back Congestion Level SPCC, therefore, congestion amount can be determined according to the quantity of the congestion data bag, the congestion measurer body can refer to the number of congestion data bag.Typically, representing that congestion is more serious congestion data Bao Yue more, also can be by the way that congestion amount be set as into a percentages in practical application, to represent the degree of congestion, specifically, can be by the quantity of the congestion data bag in the statistical unit time, it is determined that percentages corresponding with congestion amount.
In above-mentioned steps 203, when the congestion amount that congestion information acquisition node can specifically be counted within the unit interval reaches preset value, just carry out the transmission of congestion information, only reached in congestion amount and just notify that network congestion processing node is handled to a certain degree, now the address of congestion amount and intermediate node, Egress node as network congestion information Real-time Feedback to network congestion can be handled node.
In practical application, above-mentioned step 203, also the congestion amount feedback of the information that periodically can be obtained statistics to network congestion handles node, i.e. congestion information acquisition node can periodically count the quantity of congestion data bag, and periodically transmission network congestion information gives network congestion to handle node；Or, congestion information acquisition node, also the active request that node can be handled according to network congestion handles node feeding back network congestion information to network congestion, for example network congestion handle nodal test to Ingress node frequently repeat to send same data when, illustrate to be likely to occur congestion in network, now actively it can obtain network congestion information to congestion information acquisition node, or network congestion processing node can be by way of sending order, current network congestion information is actively obtained from congestion information acquisition node, now, the information such as the time of statistics congestion amount are may also include in the network congestion information.
In above-mentioned steps 204 and step 205, network congestion processing node is received after network congestion information, can be according to network congestion information middle outlet address of node and the address of intermediate node, determine the path of network congestion, and the path and congestion amount can be fed back to Ingress node, by Ingress node to needing to be controlled from the data flow that Ingress node enters network and the approach path, to reduce the data traffic in the approach path, the congestion in path is reduced or eliminated, and then reduces the congestion of intermediate node.
In each embodiment of the invention described above, Ingress node is controlled according to congestion amount, user signing contract information and network control strategy to the data flow for needing the path by network congestion, specifically may include：Determined to need the corresponding business of each data flow by the path according to user signing contract information, and the priority of the corresponding business of each data flow by the path is needed based on network control strategy determination；In each data flow in the path by the network congestion is needed, according to congestion amount, preferentially the business corresponding data flow low to priority is controlled.
Specifically, Ingress node is based on the information such as network control strategy and user contracting data, to determine the priority for the data correspondence business for entering network by the Ingress node and passing through the congestion path determined, and according to priority size, to carry out the control of data flow.For example, the corresponding business of each data flow can be determined according to user contracting data, and control strategy etc. determines the priority of each business, so as to the priority of the data flow according to determination, to carry out flow control to data stream, it implements same or like with the flow control process of prior art, will not be repeated here.
In each embodiment of the invention described above, Ingress node is controlled according to congestion amount, user signing contract information and network control strategy to the data flow for needing the path by network congestion, specifically can be according to congestion amount, the transmission rate of all data flows to needing the path by congestion is controlled, or the transmission rate of at least a portion data flow is limited or forbids sending.
In each embodiment of the invention described above, when controlling data stream, it can be reduction transmission rate, for example, reduce certain percentage, or forbid the transmission of some data flows or all data streams.
It will be appreciated by those skilled in the art that, in embodiment shown in above-mentioned Fig. 2A and Fig. 2 B, congestion information acquisition node can also be integrated with Egress node, network congestion processing node can also be integrated with Ingress node, so, as long as in the integrated above-mentioned network congestion processing node of the Ingress node of legacy network, in the integrated above-mentioned congestion information acquisition node of Egress node, the function that network congestion handles node can be integrated with existing Ingress node, the function of congestion information acquisition node is integrated with Egress node.It is similar with implementation process shown in Fig. 2A that what it was handled network congestion implement, and will not be repeated here.
It will be appreciated by those skilled in the art that, above-mentioned Ingress node from the data flow of Ingress node access network to when needing the data flow in the path by congestion to be controlled, can determine need the path by congestion into which data flow in the data flow of network by the Ingress node according to preset configuration or the mode of negotiation, it implements process and will not be repeated here.
In each embodiment of the invention described above, the address of described intermediate node, the address of Egress node, specially IP address, so, congestion path is assured that based on IP address, enters network and by the data flow of the congestion path while also can determine that from Ingress node.
It will be appreciated by those skilled in the art that, Ingress node, Egress node and intermediate node described in each embodiment of the invention described above, only it is the division for the node that the data of data flow in a network are flowed through, in a kind of data transmission procedure of data flow, one node is probably Ingress node, it is also possible to be Egress node.
In each embodiment of the invention described above, when obtaining the priority for the corresponding business of data flow for needing the path by network congestion, also can be according to the priority in the geographical position in the path set in network control strategy, it is determined that the priority of the corresponding business of the data flow in the path by network congestion.After the path of network congestion is obtained, the geographical position in the path of network congestion can be occupied, it is determined that the priority of the corresponding business of the data flow in the path by the network congestion, to control data stream, i.e. when determining the path of network congestion according to the address of Egress node and intermediate node, the positional information in the path of network congestion can be also obtained, controls to enter the data of network by Ingress node in more accurate and more flexible mode.Specifically, when Ingress node needs to be controlled the data flow in the multiple paths of approach, can be according to the geographical position where each path, to determine the priority for the data flow that needs are controlled, to determine each path data flow control amount according to priority, for example, congestion occurs for intermediate node R1, and influence whether can be from Egress node 1 by each data flow of the incoming network of Ingress node for congestion, Egress node 2 and the flow of Egress node 3, so, Ingress node is accomplished by the path 11 by Egress node 1, by the path 21 of Egress node 2, it is controlled by the data flow in the path 3 of Egress node 3, now pass through acquisition approach 1, path 2 and the geographical position in path 3, so as to the just blunt significance level according to business on each geographical position, come on the basis of important service is ensured, the data flow in the preferential path passed through to insignificant business is controlled, such as position of Egress node 1 is geographical position 1, the position of Egress node 2 is geographical position 2, the position of Egress node 3 is geographical position 3, and the business in geographical position 1 and geographical position 2 is extremely important, and it is insignificant business that the business in geographical position 3 is then relative, now, Ingress node is by obtaining the geographical position in each path, just can be with the data flow in priority acccess control path 3, to reduce or eliminate congestion, it can ensure that the data flow on the path 1 and path 2 of important service keeps normal simultaneously.
Fig. 3 A are the tunneled network schematic diagram of a scenario that the network congestion processing method that the embodiment of the present invention three is provided is applied to the network using tunneling technique；Fig. 3 B are the schematic flow sheet for the network congestion processing method that the embodiment of the present invention three is provided.As shown in Figure 3A, in tunneled network, tunnel is made up of tunnel ingress node, tunnel intermediate node and tunnel egress node, wherein, i.e. the boundary node in tunnel ingress node tunnel, the transmitting terminal of data, i.e. terminal UE, the data flow that for example subscriber's main station is sent enters tunnel by the node, namely enters network；Tunnel intermediate node refers to the network device between tunnel ingress node and tunnel egress node, such as router；Tunnel egress node is also the boundary node in tunnel, can receive the data flow of tunnel intermediate node forwarding, and by data flow by node " outflow " tunnel, namely outflow net, wherein, described tunnel ingress node and Egress node can be bases
Stand eNode or gateway S-GW, specifically, for upstream data, and base station is tunnel ingress node, and gateway is Egress node, and for downlink data, gateway is Ingress node, and base station is Egress node；Intermediate node is the router being connected between base station and gateway；In the tunneled network, also equipment of the core network and Packet Data Network（Packt Data Network, PDN) gateway P-GW.Below will be by taking upstream data as an example, to being illustrated in tunneled network to the processing procedure of network congestion：
Step 301, base station eNode obtain upstream data from terminal UE, and upstream data is sent to gateway S-GW by tunnel 1 (tunnell);
When intermediate node in step 302, tunnel 1, i.e. router detect tunnel 1 and network congestion occur, the data for needing to send are marked, the upstream data sent to gateway S-GW is labeled as congestion data；
When step 303, gateway S-GW receive congestion data, the quantity to congestion data bag is counted, and obtains congestion amount；
Step 304, gateway S-GW send the congestion amount and tunnel 1 of acquisition to PDN Gateway P-GW as congestion information;
Step 305, PDN Gateway P-GW can be according to the congestion amounts, and the configured transmission to tunnel 1 is made adjustment, and to adjust the data traffic for entering network from terminal UE, data stream is controlled.
It will be appreciated by those skilled in the art that, terminal UE is before data upload is carried out, the foundation in tunnel can be carried out by PDN Gateway P-GW, i.e. tunnel 1 is set up by PDN Gateway P-GW, it can determine the traffic transmission rate in the tunnel, the data transfer path that i.e. tunnel 1 is made up of base station eNode, router and the moon good business gateway S-GW, therefore, the message transmission rate in tunnel 1 can just be controlled by the relevant parameter in tunnel 1 being adjusted by PDN Gateway P-GW；Meanwhile, data transmission channel is set up by tunnel 2 between gateway S-GW and PDN Gateway P-GW, the tunnel 2 is also to have P-GW foundation, the data transfer path being made up of S-GW, equipment of the core network and P-GW.It implements same or like with conventional tunnel technology, will not be repeated here.
In above-mentioned steps 301 and 302, after the completion of the foundation of tunnel 1, the upstream data that terminal UE is uploaded, data stream transmitting will be carried out in the specific tunnel 1, in the process, router can carry out network congestion detection in real time, when detecting the generation congestion of tunnel 1, congestion marking can be carried out to packet, can specifically used and above method embodiment identical method.
In above-mentioned steps 303 and step 304, gateway S-GW can be in real-time statistics tunnel 1
The quantity for the congestion data bag that router is sended over, obtains congestion amount, and by congestion amount and tunnel
1 information is sent to PDN Gateway P-GW as congestion information, and the information of tunnel 1 is to include the address as the gateway S-GW of Egress node and the router as intermediate node.
In above-mentioned steps 305, PDN Gateway P-GW is obtained after congestion information, you can by changing the relevant parameter in tunnel 1, to control the traffic transmission rate in tunnel 1, so as to limit the data traffic for entering tunnel 1 by base station, the congestion in tunnel 1 is reduced or eliminated.
It will be appreciated by those skilled in the art that, for downlink data, sent from gateway S-GW to the data flow of base station, its web impact factor process is similar with flow shown in Fig. 3 B, unlike, congestion amount is counted as Egress node by base station, and the congestion information of acquisition is sent to PDN gateways P-GW.
As can be seen that in the tunnel applications scene shown in Fig. 3 A, can be handled by PDN Gateway P-GW congestion information, and parameters for tunnel is adjusted, to control the data traffic for entering tunnel from Ingress node.
Fig. 4 is the schematic flow sheet for the network congestion processing method that the embodiment of the present invention four is provided.The executive agent of the present embodiment method can be the Egress node or congestion information acquisition node in network, it is Egress node in the present embodiment, the congestion data bag that Egress node can be sent to intermediate node is counted, obtain network congestion information, specifically, as shown in figure 4, the present embodiment method may include following steps：
Step 401, Egress node receive the congestion data bag that intermediate node is sent, and the congestion data bag is the packet that the packet of forwarding is marked when intermediate node produces congestion；
Step 402, Egress node determine congestion amount according to the quantity of the congestion data bag of reception；Step 403, Egress node send network congestion information to Ingress node, and the network congestion information includes：The address of the congestion amount, the address of the Egress node and the intermediate node, so that Ingress node determines the path of network congestion based on network congestion information, and to entering network by Ingress node and being controlled by the data flow in the path, to reduce the data traffic by intermediate node and Egress node.
In the present embodiment, the Egress node in network can be fed back to network congestion processing node or Ingress node, to being controlled by Ingress node incoming data stream, to reduce or eliminate congestion by obtaining congestion amount.
The present embodiment can be applied in the network using tunneling technique, right during occurring congestion in tunnel
Data flow into tunnel is controlled.
Fig. 5 is the structural representation for the network node that the embodiment of the present invention five is provided.As shown in figure 5, the present embodiment network node may include receiving module 11 and processing module 12, wherein：
Receiving module 11, for receiving the network congestion information that the Egress node of network is sent, the network congestion information includes address, congestion amount and the address for the intermediate node of congestion occur of Egress node；Processing module 12, for the network congestion information middle outlet address of node received according to receiving module 11 and the address of intermediate node, determine the path of network congestion, and determined to need the data flow by the path into the data flow of the network according to the path, and need the data flow by the path to be controlled to described according to the congestion amount, user signing contract information and network control strategy, to reduce the data traffic by the intermediate node and Egress node.
The network node that this implementation is provided can be specifically to dispose Ingress node or network congestion processing node in a network, it can be handled congestion information, so that Ingress node is controlled to the data flow for causing network congestion, the explanation that can be found in the invention described above embodiment of the method is implemented, be will not be repeated here.
In embodiment shown in above-mentioned Fig. 5, described network node can be specifically the Ingress node in network, above-mentioned processing module 12, it is particularly used in and is determined to need the corresponding business of each data flow by the path according to user signing contract information, and determine to need the priority of the corresponding business of each data flow by the path based on network control strategy, and in each data flow by the path is needed, according to the congestion amount, preferentially the business corresponding data flow low to priority is controlled.And above-mentioned processing module 12 is particularly used in the priority in the geographical position according to the path set in the network control strategy, it is determined that the priority of the corresponding business of data flow by the path.In addition, above-mentioned processing module 12, is particularly used according to the congestion amount, the transmission rate for needing all data flows by the path is controlled, or the transmission rate of at least a portion data flow is limited or forbids sending.
In the present embodiment, described network node is specifically as follows the network node in the network using tunneling technique, for details, reference can be made to the explanation of above-mentioned Fig. 3 A and Fig. 3 B illustrated embodiments.
Fig. 6 is the structural representation for the network node that the embodiment of the present invention six is provided.As shown in fig. 6, the present embodiment network node, specifically may include receiving module 21, processing module 22 and sending module 23, its towel：
Receiving module 21, the congestion data bag for receiving intermediate node transmission, the congestion data bag
The packet that the packet of forwarding is marked when producing congestion for the intermediate node；Processing module 22, for the quantity of the congestion data bag received according to the receiving module 21, determines congestion amount, and obtains network congestion information, and the network congestion information includes：The address of the congestion amount, the address of the Egress node and the intermediate node；
Sending module 23, for sending the network congestion information that the processing module 22 is obtained to the Ingress node of the network, so that the Ingress node determines the path of network congestion and to entering network by the Ingress node and being controlled by the data flow in the path based on the network congestion information.The present embodiment network node, can be specifically the Egress node or congestion information acquisition node in network, it can be counted to the congestion data bag of the intermediate node forwarding in network, obtain congestion information, the explanation that can be found in the invention described above embodiment of the method is implemented, be will not be repeated here.
The present embodiment network node, is specifically as follows the network node in the network using tunneling technique.Fig. 7 is the structural representation for the network node that the embodiment of the present invention seven is provided.As shown in Figure 7, the present embodiment network node may include receiver 101, memory 102 and the processor 103 being connected with the memory 102, batch processing code is stored in the memory 102, receiver 101, memory 102 are connected by bus with processor 103, wherein：
The receiver 101, for receiving the network congestion information that the Egress node of network is sent, the network congestion information includes address, congestion amount and the address for the intermediate node of congestion occur of the Egress node；
The processor 103, for performing the program code stored in the memory 101, with the network congestion information middle outlet address of node received according to the receiver 101 and the address of intermediate node, determine the path of network congestion, and determined to need the data flow by the path into the data flow of the network according to the path, and need the data flow by the path to be controlled to described according to the congestion amount, user signing contract information and network control strategy.
In the present embodiment, described processor 103, it is particularly used in and is determined to need the corresponding business of each data flow by the path according to user signing contract information, and determine to need the priority of the corresponding business of each data flow by the path based on network control strategy, and in each data flow by the path is needed, according to the congestion amount, preferentially the business corresponding data flow low to priority is controlled.
In the present embodiment, described processor 103 is particularly used in the priority in the geographical position according to the path set in the network control strategy, it is determined that by the corresponding industry of data flow in the path
The priority of business.
In the present embodiment, described processor 103 is particularly used according to the congestion amount, the transmission rate for needing all data flows by the path is controlled, or the transmission rate of at least a portion data flow is limited or forbids sending.
The present embodiment network node can realize each step of the invention described above embodiment of the method, realize the control to network congestion, and it implements the explanation that can be found in the invention described above embodiment of the method.
Fig. 8 is the structural representation for the network node that the embodiment of the present invention eight is provided.As shown in Figure 8, the present embodiment network node may include receiver 201, emitter 202, memory 203 and the processor 204 being connected with the memory 203, batch processing code is stored in the memory 203, receiver 201, emitter 202, memory 203 are connected by bus with processor 204, wherein：
The receiver 201, the congestion data bag for receiving intermediate node transmission, the congestion data bag is the packet that the packet of forwarding is marked when the intermediate node produces congestion；
The processor 204, for with performing the program code stored in the memory 203, with the quantity of the congestion data bag received according to the receiver 201, determining congestion amount, and network congestion information is obtained, the network congestion information includes：The address of the congestion amount, the address of the Egress node and the intermediate node；
The emitter 202, for sending the network congestion information that the processor 204 is obtained to the Ingress node of the network, so that the Ingress node determines the path of network congestion and to entering network by the Ingress node and being controlled by the data flow in the path based on the network congestion information.
The present embodiment network node can gather network congestion information, and report to the Ingress node of network, realize that, to web impact factor, it implements the explanation that can be found in the invention described above embodiment of the method to be based on the network congestion information by Ingress node.
Fig. 9 is the structural representation for the network system that the embodiment of the present invention nine is provided.As shown in Figure 9, the present embodiment network system may include Ingress node 10, Egress node 20 and intermediate node 30, wherein, Ingress node 10 can be using the network node shown in above-mentioned Fig. 5 or Fig. 7, Egress node 20 can be using the network node shown in Fig. 6 or Fig. 8, concrete structure can be found in the explanation of above-mentioned each network node embodiment, will not be repeated here.
In the present embodiment, Egress node 20 can gather the congestion data bag of the transmission of intermediate node 30, obtain
Network congestion information is taken, and network congestion information can be sent to Ingress node 10 so that Ingress node 10 can be based on the network congestion information, obtain the path of network congestion, and the data flow in the path Jing Guo network congestion is controlled.
It will be appreciated by those skilled in the art that, Ingress node 10 can be connected with multiple intermediate nodes 30 simultaneously, accordingly, Egress node 20 can be also connected with multiple intermediate nodes 30, i.e. in actual network, an Ingress node can be communicated to connect by being set up between multiple intermediate nodes and Egress node simultaneously.In addition, an intermediate node can also be connected with multiple Ingress nodes or multiple Egress nodes simultaneously.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can be completed by the related hardware of programmed instruction, foregoing program can be stored in a computer read/write memory medium, the program upon execution, performs the step of including above method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or CD etc. are various can be with the medium of store program codes.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although the present invention is described in detail with reference to foregoing embodiments, it will be understood by those within the art that：It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent substitution to which part or all technical characteristic；And these modifications or replacement, the essence of appropriate technical solution is departed from the scope of various embodiments of the present invention technical scheme.
Claims (16)
- Claims1st, a kind of network congestion processing method, it is characterised in that including：The Ingress node of network receives the network congestion information that Egress node is sent, and the network congestion information includes address, congestion amount and the address for the intermediate node of congestion occur of the Egress node；According to the address of the Egress node and the address of the intermediate node, the path of network congestion is determined；Determined to need the data flow by the path into the data flow of the network according to the path；The data flow by the path is needed to be controlled to described according to the congestion amount, user signing contract information and network control strategy.2nd, according to the method described in claim 1, it is characterised in that described to need the data flow by the path to be controlled to described according to the congestion amount, user signing contract information and network control strategy, including：Determined to need the corresponding business of each data flow by the path according to the user signing contract information, and the priority of the corresponding business of each data flow by the path is needed based on network control strategy determination；In each data flow by the path is needed, according to the congestion amount, preferentially the business corresponding data flow low to priority is controlled.3rd, method according to claim 2, it is characterised in that described to determine to need the priority of the corresponding business of each data flow by the path based on the network control strategy, including：According to the priority in the geographical position in the path set in the network control strategy, it is determined that the priority of the corresponding business of data flow by the path.4th, the method according to claim 1 or 2 or 3, it is characterised in that described to need the data flow by the path to be controlled to described according to the congestion amount, user signing contract information and network control strategy, including：According to the congestion amount, the transmission rate for needing all data flows by the path is controlled, or the transmission rate of at least a portion data flow is limited or forbids sending.5th, a kind of network congestion processing method, it is characterised in that including：The Egress node of network receives the congestion data bag that intermediate node is sent, and the congestion data bag is the packet that the packet of forwarding is marked when the intermediate node produces congestion； According to the quantity of the congestion data bag of reception, congestion amount is determined；Network congestion information is sent to the Ingress node of the network, the network congestion information includes：The address of the congestion amount, the address of the Egress node and the intermediate node, so that the Ingress node determines the path of network congestion and to entering network by the Ingress node and being controlled by the data flow in the path based on the network congestion information.6th, a kind of network node, it is characterised in that including：Receiving module, for receiving the network congestion information that the Egress node of network is sent, the network congestion information includes address, congestion amount and the address for the intermediate node of congestion occur of the Egress node；Processing module, for the network congestion information middle outlet address of node received according to the receiving module and the address of intermediate node, determine the path of network congestion, and determined to need the data flow by the path into the data flow of the network according to the path, and need the data flow by the path to be controlled to described according to the congestion amount, user signing contract information and network control strategy.7th, network node according to claim 6, it is characterized in that, the processing module, specifically for being determined to need the corresponding business of each data flow by the path according to the user signing contract information, and determine to need the priority of the corresponding business of each data flow by the path based on the network control strategy, and in each data flow by the path is needed, according to the congestion amount, preferentially the business corresponding data flow low to priority is controlled.8th, network node according to claim 7, it is characterized in that, the processing module, specifically for the priority in the geographical position according to the path set in the network control strategy, it is determined that the priority of the corresponding business of data flow by the path.9th, the network node according to claim 6,7 or 8, it is characterized in that, the processing module, specifically for according to the congestion amount, the transmission rate for needing all data flows by the path is controlled, or the transmission rate of at least a portion data flow is limited or forbids sending.10th, a kind of network node, it is characterised in that including receiver, memory and the processor being connected with the memory, batch processing code is stored in the memory, wherein：The receiver, for receiving the network congestion information that the Egress node of network is sent, the network congestion information includes address, congestion amount and the ground for the intermediate node of congestion occur of the Egress node Location；The processor, for performing the program code stored in the memory, with the network congestion information middle outlet address of node received according to the receiver and the address of intermediate node, determine the path of network congestion, and determined to need the data flow by the path into the data flow of the network according to the path, and need the data flow by the path to be controlled to described according to the congestion amount, user signing contract information and network control strategy.11st, network node according to claim 10, it is characterized in that, the processor, specifically for being determined to need the corresponding business of each data flow by the path according to the user signing contract information, and determine to need the priority of the corresponding business of each data flow by the path based on the network control strategy, and in each data flow by the path is needed, according to the congestion amount, preferentially the business corresponding data flow low to priority is controlled.12nd, network node according to claim 11, it is characterized in that, the processor, specifically for the priority in the geographical position according to the path set in the network control strategy, it is determined that the priority of the corresponding business of data flow by the path.13rd, the network node according to claim 10,11 or 12, it is characterized in that, the processor, specifically for according to the congestion amount, the transmission rate for needing all data flows by the path is controlled, or the transmission rate of at least a portion data flow is limited or forbids sending.14th, a kind of network node, it is characterised in that including：Receiving module, the congestion data bag for receiving intermediate node transmission, the congestion data bag is the packet that the packet of forwarding is marked when the intermediate node produces congestion；Processing module, for the quantity of the congestion data bag received according to the receiving module, determines congestion amount, and obtains network congestion information, and the network congestion information includes：The address of the congestion amount, the address of the Egress node and the intermediate node；Sending module, for sending the network congestion information that the processing module is obtained to the Ingress node of the network, so that the Ingress node determines the path of network congestion and to entering network by the Ingress node and being controlled by the data flow in the path based on the network congestion information.15th, a kind of network node, it is characterised in that including receiver, emitter, memory and the processor being connected with the memory, batch processing code is stored in the memory, wherein：The receiver, the congestion data bag for receiving intermediate node transmission, the congestion data bag The packet that the packet of forwarding is marked when producing congestion for the intermediate node；The processor, for performing the program code stored in the memory, with the quantity of the congestion data bag received according to the receiver, determining congestion amount, and obtains network congestion information, the network congestion information includes：The address of the congestion amount, the address of the Egress node and the intermediate node；The emitter, for sending the network congestion information that the processor is obtained to the Ingress node of the network, so that the Ingress node determines the path of network congestion and to entering network by the Ingress node and being controlled by the data flow in the path based on the network congestion information.16th, a kind of network system, it is characterised in that including：Ingress node, intermediate node and Egress node, wherein, the Ingress node is that, using any described network nodes of claim 6-13, the Egress node is using the network node described in claims 14 or 15.
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| PCT/CN2013/073477 WO2014153780A1 (en) | 2013-03-29 | 2013-03-29 | Network congestion processing method, network node, and network system |
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| CN109245959A (en) * | 2018-09-25 | 2019-01-18 | 华为技术有限公司 | Statistics enlivens method, the network equipment and the system of flow amount |
| CN109981471A (en) * | 2017-12-27 | 2019-07-05 | 华为技术有限公司 | A kind of method, apparatus and system for alleviating congestion |
| CN111107016A (en) * | 2018-10-25 | 2020-05-05 | 深圳市中兴微电子技术有限公司 | Network congestion control method, device, chip and storage medium |
| CN114124825A (en) * | 2021-10-26 | 2022-03-01 | 中国联合网络通信集团有限公司 | Data transmission method, system, device and storage medium |
| WO2024073966A1 (en) * | 2023-01-06 | 2024-04-11 | Lenovo (Beijing) Ltd. | Congestion information exposure |
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| CN114826826A (en) * | 2022-04-28 | 2022-07-29 | 北京金山云网络技术有限公司 | Network congestion information transmission method and device, public cloud network and electronic equipment |
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| US7733770B2 (en) * | 2004-11-15 | 2010-06-08 | Intel Corporation | Congestion control in a network |
| CN102138301B (en) * | 2008-05-28 | 2016-02-17 | 凯敏公司 | Reasonable employment management method and system |
| EP2432169B1 (en) * | 2009-06-23 | 2013-08-28 | Huawei Technologies Co., Ltd. | Method, device and system for determining route congestion |
| CN102377672A (en) * | 2011-11-03 | 2012-03-14 | 华为技术有限公司 | Routing method and communication equipment in data center network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109981471A (en) * | 2017-12-27 | 2019-07-05 | 华为技术有限公司 | A kind of method, apparatus and system for alleviating congestion |
| CN109245959A (en) * | 2018-09-25 | 2019-01-18 | 华为技术有限公司 | Statistics enlivens method, the network equipment and the system of flow amount |
| CN109245959B (en) * | 2018-09-25 | 2021-09-03 | 华为技术有限公司 | Method, network equipment and system for counting number of active streams |
| CN111107016A (en) * | 2018-10-25 | 2020-05-05 | 深圳市中兴微电子技术有限公司 | Network congestion control method, device, chip and storage medium |
| CN111107016B (en) * | 2018-10-25 | 2023-04-07 | 深圳市中兴微电子技术有限公司 | Network congestion control method, device, chip and storage medium |
| CN114124825A (en) * | 2021-10-26 | 2022-03-01 | 中国联合网络通信集团有限公司 | Data transmission method, system, device and storage medium |
| CN114124825B (en) * | 2021-10-26 | 2023-05-16 | 中国联合网络通信集团有限公司 | Method, system, device and storage medium for data transmission |
| WO2024073966A1 (en) * | 2023-01-06 | 2024-04-11 | Lenovo (Beijing) Ltd. | Congestion information exposure |
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