CN108737279A - The transmission method and device of broadcasting packet - Google Patents
The transmission method and device of broadcasting packet Download PDFInfo
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- CN108737279A CN108737279A CN201710278072.6A CN201710278072A CN108737279A CN 108737279 A CN108737279 A CN 108737279A CN 201710278072 A CN201710278072 A CN 201710278072A CN 108737279 A CN108737279 A CN 108737279A
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- multicast
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- broadcasting packet
- unicast
- address
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/16—Multipoint routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/185—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast with management of multicast group membership
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/80—Actions related to the user profile or the type of traffic
- H04L47/806—Broadcast or multicast traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/20—Support for services
- H04L49/201—Multicast operation; Broadcast operation
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
Abstract
The present invention provides a kind of transmission method and device of broadcasting packet, is applied in two layers of LAN, belongs to field of communication technology.The transmission method of the broadcasting packet includes：Multicast processing is carried out to broadcasting packet, generates corresponding multicast message；Wherein, the multicast address in multicast message is for identifying intended recipient end；Multicast message is transmitted to the corresponding intended recipient end of multicast address by bridge.The transmission method and device of broadcasting packet provided by the invention, improve the utilization rate of interface-free resources.
Description
Technical field
The present invention relates to field of communication technology more particularly to the transmission methods and device of a kind of broadcasting packet.
Background technology
Bridge is mainly used in for connecting multiple LANs in ethernet environment.Due in network bridge plus
It is transparent for the network user to enter and forward behavior, will not be impacted to the software and hardware in existing network, therefore, referred to as
For " transparent " bridge.Bridge by study receive message source address and establish the mapping table of source address and interface come
Learning network topology, and for instructing message to forward.
When there is the LAN of intercommunication demand to be distributed in different geographical locations, work(can be remotely bridged using bridge
Multiple LANs can be bridged.For example, in long term evolution (Long Term Evolution, LTE) network, client is whole
End equipment (Customer Premise Equipment, abbreviation CPE) between core net there are radio open, if CPE with
The message transmitted between core net is short packet broadcast message (such as ARP message), the increase with access CPE quantity and transparent network
Bridge forms two layers of LAN, interface-free resources moment can be caused occupied in this way, reduce the utilization rate eated dishes without rice or wine, normal to influence
Message transmits.
Therefore, using present broadcasting packet transmission method so that the utilization rate of interface-free resources is relatively low.
Invention content
The present invention provides a kind of transmission method and device of broadcasting packet, to improve the utilization rate of interface-free resources.
The embodiment of the present invention provides a kind of transmission method of broadcasting packet, is applied in two layers of LAN, the broadcast report
Text transmission method include：
Multicast processing is carried out to the broadcasting packet, generates corresponding multicast message；Wherein, the group in the multicast message
Address is broadcast for identifying intended recipient end；
The multicast message is transmitted to the corresponding intended recipient end of the multicast address by bridge.
In an embodiment of the present invention, described that the multicast message is transmitted to the multicast address pair by bridge
The intended recipient end answered, including：
Unicast processing is carried out to the multicast message, generates corresponding unicast message；Wherein, the list in the unicast message
Address is broadcast for identifying the intended recipient end；
The unicast message is transmitted to the corresponding intended recipient end of the unicast address.
In an embodiment of the present invention, described that multicast processing is carried out to the broadcasting packet, including：
Determine that the corresponding multicast group of the broadcasting packet, the multicast group include at least two intended recipient ends；
Processing is packaged to the broadcasting packet according to the multicast address of the multicast group.
In an embodiment of the present invention, described that unicast processing is carried out to the multicast message, including：
Processing is packaged to the multicast message according to the unicast address of the unicast message.
In an embodiment of the present invention, before the acquisition broadcasting packet, further include：
Receive the data message that transmitting terminal is sent；
Determine that the type of the data message is broadcasting packet.
The embodiment of the present invention also provides a kind of transmitting device of broadcasting packet, is applied in two layers of LAN, the broadcast
The transmitting device of message includes：
Processing unit generates corresponding multicast message for carrying out multicast processing to broadcasting packet；Wherein, the multicast
Multicast address in message is for identifying intended recipient end；
Transmission unit, for the multicast message to be transmitted to the corresponding mesh of the multicast address by bridge
Tag splice receiving end.
In an embodiment of the present invention, the transmission unit is specifically used for carrying out unicast processing to the multicast message, raw
At corresponding unicast message；Wherein, the unicast address in the unicast message is for identifying the intended recipient end；And it will be described
Unicast message is transmitted to the corresponding intended recipient end of the unicast address.
In an embodiment of the present invention, the processing unit is specifically used for determining the corresponding multicast group of the broadcasting packet,
The multicast group includes at least two intended recipient ends；And according to the multicast address of the multicast group to the broadcast
Message is packaged processing.
In an embodiment of the present invention, the transmission unit is specifically used for the unicast address pair according to the unicast message
The multicast message is packaged processing.
In an embodiment of the present invention, further include receiving unit and determination unit；
The receiving unit, the data message for receiving transmitting terminal transmission；
The determination unit, for determining that the type of the data message is the broadcasting packet.
The transmission method and device of broadcasting packet provided in an embodiment of the present invention, by being carried out at multicast to broadcasting packet
Reason, generates corresponding multicast message；Wherein, the multicast address in multicast message is for identifying intended recipient end；By multicast message
It is transmitted to the corresponding intended recipient end of multicast address by bridge.It can be seen that broadcast report provided in an embodiment of the present invention
Broadcasting packet is not instead of directly transmitted to bridge by message transmitting method when transmitting broadcasting packet by bridge, first
Multicast processing is carried out to the broadcasting packet, multicast message is transmitted by bridge by treated, is avoided in two layers of local
In net, cause interface-free resources moment occupied due to the increase of CPE quantity, to improve the utilization rate of interface-free resources.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to do one simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of application scenarios schematic diagram of broadcasting packet transmission method provided in an embodiment of the present invention；
Fig. 2 is a kind of flow diagram of the transmission method of broadcasting packet provided in an embodiment of the present invention；
Fig. 3 is the flow diagram of the transmission method of another broadcasting packet provided in an embodiment of the present invention；
Fig. 4 is a kind of flow diagram of the transmitting device of broadcasting packet provided in an embodiment of the present invention；
Fig. 5 is the flow diagram of the transmitting device of another broadcasting packet provided in an embodiment of the present invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Term " first ", " second ", " third " in description and claims of this specification and above-mentioned attached drawing, "
The (if present)s such as four " are for distinguishing similar object, without being used to describe specific sequence or precedence.It should manage
The data that solution uses in this way can be interchanged in the appropriate case, so as to the embodiment of the present invention described herein, such as can be with
Sequence other than those of illustrating or describing herein is implemented.In addition, term " comprising " and " having " and their times
What is deformed, it is intended that cover it is non-exclusive include, for example, contain the process of series of steps or unit, method, system,
Product or equipment those of are not necessarily limited to clearly to list step or unit, but may include not listing clearly or for
The intrinsic other steps of these processes, method, product or equipment or unit.
It should be noted that these specific embodiments can be combined with each other below, for same or analogous concept
Or process may repeat no more in certain embodiments.
Fig. 1 is a kind of application scenarios schematic diagram of broadcasting packet transmission method provided in an embodiment of the present invention, system shown in Fig. 1
System framework is two layers of LAN, shown in Figure 1, by taking LTE network as an example, two CPE is hung under LTE network, each CPE connects
Two personal computers (personal computer, abbreviation PC) are connect, a routing device is hung under core net, routing device connects
Two servers are connect, the CPE in LTE network forms two layers of LAN by the routing device in bridge and core net.Base
In the corresponding application scenarios of Fig. 1, two kinds of situations can be divided into.The first situation：When broadcasting packet is uplink, PC is hair
Sending end, server are intended recipient end, and the executive agent of the transmission method of the broadcasting packet is CPE.The second situation：Work as broadcast
When message is downlink transfer, server is transmitting terminal, and PC is intended recipient end, the executive agent of the transmission method of the broadcasting packet
For routing device.
Broadcasting packet transmission method provided in an embodiment of the present invention first carries out broadcasting packet when transmitting broadcasting packet
Multicast processing, generates corresponding multicast message；Wherein, the multicast address in multicast message is for identifying intended recipient end；By group
It reports text and the corresponding intended recipient end of multicast address is transmitted to by bridge, to complete the transmission of broadcasting packet.In the following,
Following two kinds of situations are referred to illustrate broadcasting packet transmission method provided in an embodiment of the present invention.
For the first situation, when broadcasting packet is uplink, shown in Figure 2, Fig. 2 is the embodiment of the present invention
A kind of flow diagram of the transmission method of the broadcasting packet provided is applied in two layers of LAN, the transmission of the broadcasting packet
Method can be executed by the transmitting device of broadcasting packet, exemplary, and the transmitting device of the broadcasting packet can be independently arranged, and also may be used
To integrate in the cpe.The transmission method of the broadcasting packet may include：
S201, the data message that PC is sent is received.
CPE needs the type first to the data message to judge after the data message for receiving PC transmissions, to
The type for determining the data message, to determine corresponding transmission mode according to the type of the data message.
S202, determine that the type of data message is broadcasting packet.
CPE is after the type for determining data message is broadcasting packet, so that it may to get the broadcasting packet, to transmit
The broadcasting packet.
S203, multicast processing is carried out to broadcasting packet, generates corresponding multicast message.
Wherein, the multicast address in multicast message is for identifying intended recipient end.It is exemplary, in embodiments of the present invention,
The intended recipient end is server.
Optionally, in embodiments of the present invention, multicast processing is carried out to broadcasting packet, may include：
Determine that the corresponding multicast group of broadcasting packet, multicast group include at least two intended recipient ends；According to the group of multicast group
It broadcasts address and processing is packaged to broadcasting packet.
S204, multicast message is transmitted to the corresponding server of multicast address by bridge.
In actual application, it is not directly by received PC when CPE transmits broadcasting packet by bridge
The broadcasting packet of transmission is transmitted to bridge, but before broadcasting packet is transmitted to bridge, first determine broadcast report
The corresponding multicast group of text, and processing is packaged to the broadcasting packet according to the multicast address of multicast group, to which generation group is reported
Text, and then the multicast message is transmitted to routing device by bridge, so that routing device is receiving the multicast message
Later, multicast message is decapsulated, and the broadcasting packet after decapsulation is transmitted to each server, it is wide to complete
Report the transmission of text.It can be seen that broadcasting packet transmission method provided in an embodiment of the present invention, is transmitted by bridge and is broadcasted
When message, broadcasting packet is not instead of directly transmitted to bridge, multicast processing first is carried out to the broadcasting packet, will be handled
Multicast message afterwards is transmitted by bridge, is avoided in two layers of LAN, causes to eat dishes without rice or wine due to the increase of CPE quantity
Resource moment is occupied, to improve the utilization rate of interface-free resources.
Optionally, in embodiments of the present invention, multicast message is transmitted to the corresponding clothes of multicast address by bridge
Be engaged in device, can also include：
Unicast processing is carried out to multicast message, generates corresponding unicast message；Wherein, the unicast address in unicast message is used
In mark intended recipient end；Unicast message is transmitted to the corresponding intended recipient end of unicast address.It is possible to further according to list
The unicast address for reporting text is packaged processing to multicast message.
In actual application, when CPE transmits broadcasting packet by bridge, first the broadcasting packet can be carried out
Multicast processing generates multicast message and then is transmitted the multicast message by bridge transmission.Further,
It can be before the multicast message be transmitted by bridge transmission, first according to the unicast address of unicast message to multicast
Message is packaged processing, to generate unicast message, and then the unicast message is transmitted to routing device, to route
Equipment decapsulates unicast message after receiving the unicast message, and the broadcasting packet after decapsulation is transmitted to
Each server, to complete the transmission of broadcasting packet.It can be seen that broadcasting packet transmission side provided in an embodiment of the present invention
Broadcasting packet is not instead of directly transmitted to bridge, first to the broadcast by method when transmitting broadcasting packet by bridge
Message carries out multicast processing and unicast processing, and by treated, unicast message is transmitted to intended recipient end, avoids in two layers of office
In the net of domain, cause interface-free resources moment occupied due to the increase of CPE quantity, to further improve the profit of interface-free resources
With rate.
For the second situation, when broadcasting packet is downlink transfer, shown in Figure 3, Fig. 3 is the embodiment of the present invention
The flow diagram of the transmission method of another broadcasting packet of offer is applied in two layers of LAN, the biography of the broadcasting packet
Transmission method can be executed by the transmitting device of broadcasting packet, exemplary, and the transmitting device of the broadcasting packet can be independently arranged,
It can be integrated in routing device.The transmission method of the broadcasting packet may include：
S301, the data message that server is sent is received.
Routing device needs the type progress first to the data message after the data message for receiving server transmission
Judge, so that it is determined that the type of the data message, to determine corresponding transmission mode according to the type of the data message.
S302, determine that the type of data message is broadcasting packet.
Routing device is after the type for determining data message is broadcasting packet, so that it may to get the broadcasting packet, from
And transmit the broadcasting packet.
S303, multicast processing is carried out to broadcasting packet, generates corresponding multicast message.
Wherein, the multicast address in multicast message is for identifying intended recipient end.It is exemplary, in embodiments of the present invention,
The intended recipient end is PC.
Optionally, in embodiments of the present invention, multicast processing is carried out to broadcasting packet, may include：
Determine that the corresponding multicast group of broadcasting packet, multicast group include at least two intended recipient ends；According to the group of multicast group
It broadcasts address and processing is packaged to broadcasting packet.
S304, multicast message is transmitted to the corresponding PC of multicast address by bridge.
In actual application, it is not directly to be received when routing device transmits broadcasting packet by bridge
To the broadcasting packet that sends of server be transmitted to bridge, it is right but before broadcasting packet is transmitted to bridge
The broadcasting packet is packaged processing, to generate multicast message, and then the multicast message is transmitted to by bridge
CPE decapsulates multicast message so that CPE is after receiving the multicast message, and by the broadcasting packet after decapsulation
It is transmitted to each PC, to complete the transmission of broadcasting packet.It can be seen that broadcasting packet transmission side provided in an embodiment of the present invention
Broadcasting packet is not instead of directly transmitted to bridge, first to the broadcast by method when transmitting broadcasting packet by bridge
Message carries out multicast processing, and by treated, multicast message is transmitted by bridge, is avoided in two layers of LAN, due to
The increase of CPE quantity and cause interface-free resources moment occupied, to improve the utilization rate of interface-free resources.
Optionally, in embodiments of the present invention, multicast message is transmitted to the corresponding PC of multicast address by bridge,
Can also include：
Unicast processing is carried out to multicast message, generates corresponding unicast message；Wherein, the unicast address in unicast message is used
In mark intended recipient end；Unicast message is transmitted to the corresponding intended recipient end of unicast address.It is possible to further according to list
The unicast address for reporting text is packaged processing to multicast message.
It in actual application, can be first to the broadcast report when routing device transmits broadcasting packet by bridge
Text carries out multicast processing, generates multicast message and then is transmitted the multicast message by bridge transmission.Further
The multicast message, can also be before being transmitted, according to the unicast address pair of unicast message by ground by bridge transmission
Multicast message is packaged processing, to generate unicast message, and then the unicast message is transmitted to CPE, so that CPE exists
After receiving the unicast message, unicast message is decapsulated, and the broadcasting packet after decapsulation is transmitted to each PC,
To complete the transmission of broadcasting packet.It can be seen that broadcasting packet transmission method provided in an embodiment of the present invention, passes through transparent network
When bridge transmits broadcasting packet, broadcasting packet is not instead of directly transmitted to bridge, multicast first is carried out to the broadcasting packet
Processing and unicast processing, by treated, unicast message is transmitted to intended recipient end, avoids in two layers of LAN, due to
The increase of CPE quantity and cause interface-free resources moment occupied, to further improve the utilization rate of interface-free resources.
Fig. 4 is a kind of structural schematic diagram of the transmitting device 40 of broadcasting packet provided in an embodiment of the present invention, is applied to two
In layer LAN, certainly, the embodiment of the present invention is only illustrated by taking Fig. 4 as an example, but does not represent that present invention is limited only by this.
Shown in Figure 4, the transmitting device 40 of the broadcasting packet includes：
Processing unit 401 generates corresponding multicast message for carrying out multicast processing to broadcasting packet；Wherein, group is reported
Multicast address in text is for identifying intended recipient end.
Transmission unit 402, for multicast message to be transmitted to the corresponding intended recipient end of multicast address by bridge.
Optionally, transmission unit 402 are specifically used for carrying out unicast processing to multicast message, generate corresponding unicast message；
Wherein, the unicast address in unicast message is for identifying intended recipient end；And it is corresponding that unicast message is transmitted to unicast address
Intended recipient end.
Optionally, processing unit 401 are specifically used for determining that the corresponding multicast group of broadcasting packet, multicast group include at least two
A intended recipient end；And processing is packaged to broadcasting packet according to the multicast address of multicast group.
Optionally, transmission unit 402, specifically for being packaged place to multicast message according to the unicast address of unicast message
Reason.
Optionally, which further includes receiving unit 403 and determination unit 404.Refer to Fig. 5 institutes
Show, Fig. 5 is the structural schematic diagram of the transmitting device 40 of another broadcasting packet provided in an embodiment of the present invention.
Receiving unit 403, the data message for receiving transmitting terminal transmission.
Determination unit 404, for determining that the type of data message is broadcasting packet.
Broadcasting packet transmitting device shown in the embodiment of the present invention can execute technical side shown in above method embodiment
Case, realization principle and advantageous effect are similar, are no longer repeated herein.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer read/write memory medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned includes：ROM, RAM, magnetic disc or
The various media that can store program code such as person's CD.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of transmission method of broadcasting packet, which is characterized in that be applied in two layers of LAN, the transmission of the broadcasting packet
Method includes：
Multicast processing is carried out to broadcasting packet, generates corresponding multicast message；Wherein, the multicast address in the multicast message is used
In mark intended recipient end；
The multicast message is transmitted to the corresponding intended recipient end of the multicast address by bridge.
2. according to the method described in claim 1, it is characterized in that, described be transmitted to the multicast message by bridge
The corresponding intended recipient end of the multicast address, including：
Unicast processing is carried out to the multicast message, generates corresponding unicast message；Wherein, unicast in the unicast message
Location is for identifying the intended recipient end；
The unicast message is transmitted to the corresponding intended recipient end of the unicast address.
3. according to the method described in claim 1, it is characterized in that, it is described to the broadcasting packet carry out multicast processing, including：
Determine that the corresponding multicast group of the broadcasting packet, the multicast group include at least two intended recipient ends；
Processing is packaged to the broadcasting packet according to the multicast address of the multicast group.
4. according to the method described in claim 2, it is characterized in that, it is described to the multicast message carry out unicast processing, including：
Processing is packaged to the multicast message according to the unicast address of the unicast message.
5. according to claim 1-4 any one of them methods, which is characterized in that before the acquisition broadcasting packet, further include：
Receive the data message that transmitting terminal is sent；
Determine that the type of the data message is the broadcasting packet.
6. a kind of transmitting device of broadcasting packet, which is characterized in that be applied in two layers of LAN, the transmission of the broadcasting packet
Device includes：
Processing unit generates corresponding multicast message for carrying out multicast processing to broadcasting packet；Wherein, the multicast message
In multicast address for identifying intended recipient end；
Transmission unit connects for the multicast message to be transmitted to the corresponding target of the multicast address by bridge
Receiving end.
7. device according to claim 6, which is characterized in that
The transmission unit is specifically used for carrying out unicast processing to the multicast message, generates corresponding unicast message；Wherein,
Unicast address in the unicast message is for identifying the intended recipient end；And the unicast message is transmitted to the unicast
The corresponding intended recipient end in address.
8. device according to claim 6, which is characterized in that
The processing unit is specifically used for determining that the corresponding multicast group of the broadcasting packet, the multicast group include at least two
The intended recipient end；And processing is packaged to the broadcasting packet according to the multicast address of the multicast group.
9. device according to claim 7, which is characterized in that
The transmission unit, specifically for being packaged place to the multicast message according to the unicast address of the unicast message
Reason.
10. according to claim 6-9 any one of them devices, which is characterized in that further include receiving unit and determination unit；
The receiving unit, the data message for receiving transmitting terminal transmission；
The determination unit, for determining that the type of the data message is the broadcasting packet.
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