CN105763457A - Multicast packet processing method and network device - Google Patents

Multicast packet processing method and network device Download PDF

Info

Publication number
CN105763457A
CN105763457A CN201410778208.6A CN201410778208A CN105763457A CN 105763457 A CN105763457 A CN 105763457A CN 201410778208 A CN201410778208 A CN 201410778208A CN 105763457 A CN105763457 A CN 105763457A
Authority
CN
China
Prior art keywords
multicast
network equipment
level
equipment
labelling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410778208.6A
Other languages
Chinese (zh)
Other versions
CN105763457B (en
Inventor
吴光锐
顾勤丰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN201410778208.6A priority Critical patent/CN105763457B/en
Publication of CN105763457A publication Critical patent/CN105763457A/en
Application granted granted Critical
Publication of CN105763457B publication Critical patent/CN105763457B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The present invention provides a multicast packet processing method and a network device. The multicast packet processing method comprises the steps that the network device obtains device-level number information and obtains the neighbor network device information of the network device according to the device-level number information; the network device obtains a multicast replication control mark in a multicast packet, and the multicast replication control mark is used for identifying the multicast path of the multicast packet; the network device copies the multicast packet to the neighbor network device of the network device in the multicast path according to the multicast replication control mark and the neighbor network device information. According to the embodiment of the invention, the problem that the network device needs the multicast entries of a multicast group to copy and forward a packet, each of the multicast entries needs to be stored in the network device and occupies the multicast resource of the network device, and the multicast resource requirement of the network device is high.

Description

Multicast message processing method and the network equipment
Technical field
The present invention relates to network technology, particularly relate to a kind of multicast message processing method and the network equipment.
Background technology
Data center network, generally can adopt fat tree framework as shown in Figure 1 to carry out Fabric networking, in described fat tree framework, switching equipment layered arrangement, restrains step by step.Described fat tree framework is generally two-layer or three-decker, sometimes can also have a controller (Controller) that each switching equipment in described fat tree framework is managed and is configured.Fabric refers specifically to support " combination plant " that the multiple stage switching equipment of intelligent elastic framework (English: IntelligentResilientFramework, to be called for short IRF) is interconnected formation.
Data center network often has the demand of multicast service, the multicast forwarding mode of the multicast service in Fabric is the same with the multicast forwarding mode in legacy network, all in multicast message, (multicast group+VLAN) searches the multicast list of coupling for key word on every equipment, multicast index is obtained according to multicast list, obtain the multicast outgoing interface under this multicast index again, replicate and send described multicast message by this multicast outgoing interface.Existing multicast duplicating method, specifically, first set up a multicast tree, then makes each node in multicast tree store corresponding multicast list to forward corresponding flux of multicast.Fig. 2 is multicast message repeating process schematic diagram of the prior art, as shown in Figure 2, multicast source is from root node incoming multicast tree, multiple leaf nodes of described multicast tree have different program request persons from the different resource of described multicast source program request, in this case, multicast message forward-path as shown in Figure 2 may be generated, namely the resource of program request person's program request arrives the corresponding forward-path of the leaf node that is connected with program request person from described multicast source, article one, the corresponding multicast group of forward-path, one corresponding multicast list of multicast group, each node on forward-path needs according to this multicast list, multicast message to be forwarded.
But in above-mentioned multicast duplicating method, each switching equipment is required for carrying out replicating according to the multicast list that multicast group is corresponding forwarding, namely each switching equipment needs storage to pass through the multicast list that all multicast group self forwarded are corresponding, multicast list needs to take a large amount of multicast resource, requires higher to the multicast resource of switching equipment chip.
Summary of the invention
The present invention provides a kind of multicast message processing method and the network equipment, and the multicast resource to the network equipment caused to solve to need in prior art to utilize multicast list forwarding multicasting message requires higher problem.
First aspect, the present invention provides a kind of multicast message processing method, including:
The network equipment obtains equipment level number information, obtains the neighboring net-work device information of the described network equipment according to described equipment level number information;
The described network equipment obtains the multicast replication in multicast message and controls labelling, and described multicast replication controls labelling for identifying the multicast path of described multicast message;
The described network equipment controls labelling and described neighboring net-work device information according to described multicast replication and described multicast message copies to the neighboring net-work device of the network equipment described in described multicast path.
In conjunction with first aspect, in the first possible implementation of first aspect, described equipment level number information includes the level of each network equipment in network and each network equipment numbering in affiliated level;
The described neighboring net-work device information obtaining the described network equipment according to described equipment level number information, including:
Level according to described each network equipment obtains network level number, utilizes described network level number and described each network equipment in the neighboring net-work device information of the numbering described network equipment of acquisition of affiliated level;
Wherein, the neighboring net-work device information of the described network equipment includes the neighboring net-work device information of each level.
In conjunction with the first possible implementation of first aspect, in the implementation that the second of first aspect is possible, described multicast replication controls labelling and includes the multicast replication control labelling of each level;
The described network equipment controls labelling according to described multicast replication and described multicast message is copied to the neighboring net-work device of the network equipment described in described multicast path by described neighboring net-work device information, including:
The described network equipment controls network equipment neighboring net-work device in each level described in the neighboring net-work device acquisition of information that labelling is corresponding with each level according to the multicast replication of each level, and the neighboring net-work device of each acquisition is included in described multicast path;
Described multicast message is copied to the neighboring net-work device of each acquisition.
In conjunction with the implementation that the second of first aspect is possible, in the third possible implementation of first aspect, the multicast replication of described each level controls to be labeled as the first string of binary characters, a network equipment in the corresponding described level of a bit in first string of binary characters of each level, wherein, bit position 1 represents that the network equipment that described bit is corresponding includes in described multicast path, and bit position 0 represents that the network equipment that described bit is corresponding is not included in described multicast path;
The neighboring net-work device information of described each level is the second string of binary characters, a network equipment in the corresponding described level of a bit in second string of binary characters of each level, wherein, bit position 1 represents the neighboring net-work device that the network equipment is the described network equipment that described bit is corresponding, and bit position 0 represents that the network equipment that described bit is corresponding is not the neighboring net-work device of the described network equipment.
The third possible implementation in conjunction with first aspect, in the 4th kind of possible implementation of first aspect, the described network equipment controls labelling according to described multicast replication and described multicast message is copied to the neighboring net-work device of the network equipment described in described multicast path by described neighboring net-work device information, including:
Second string of binary characters of the first string of binary characters of each level Yu described level is carried out step-by-step and operation by the described network equipment, obtains the 3rd string of binary characters;
Described multicast message is copied to the network equipment that the bit of described 3rd string of binary characters mid-1 is corresponding.
First to fourth any one possible implementation in conjunction with first aspect, first aspect, in the 5th kind of possible implementation of first aspect, if the described network equipment is Ingress node, before the described network equipment obtains the multicast replication control labelling in multicast message, described method also includes:
Receiving the information of the multicast tree that controller sends, described multicast tree is that described controller generates according to the position of multicast source node and multicast destination node;
Information and described equipment level number information according to described multicast tree generate described multicast replication and control labelling;
Utilize described multicast replication to control the labelling message encapsulation to entering the described network equipment and generate described multicast message.
In conjunction with the 5th kind of possible implementation of first aspect, in the 6th kind of possible implementation of first aspect, described multicast tree includes at least one multicast node;
The described information according to described multicast tree and described equipment level number information generate described multicast replication and control labelling, including:
Information and described equipment level number information according to described multicast tree obtain the equipment level of each multicast node in described multicast tree and number, and utilize the equipment level numbering of described equipment level number information and described each multicast node to generate described multicast replication and control labelling.
In conjunction with the 6th kind of possible implementation of first aspect, in the 7th kind of possible implementation of first aspect, the described equipment level numbering utilizing described equipment level number information and described each multicast node generates multicast replication and controls labelling, including:
Equipment level numbering corresponding for described each multicast node is controlled bit position 1 corresponding in labelling in described multicast replication, according to described equipment level number information, non-multicast nodes in network is controlled bit position 0 corresponding in labelling in described multicast replication.
In conjunction with first aspect, in the 8th kind of possible implementation of first aspect, if the described network equipment is fringe node, described method also includes:
The described network equipment is deleted the described multicast replication in described multicast message and is controlled labelling, is replicated away from corresponding port by the described multicast message deleting described multicast replication control labelling.
Second aspect, the present invention provides a kind of network equipment, including:
First acquisition module, is used for obtaining equipment level number information, obtains the neighboring net-work device information of the described network equipment according to described equipment level number information;
Second acquisition module, controls labelling for obtaining the multicast replication in multicast message, and described multicast replication controls labelling for identifying the multicast path of described multicast message;
Processing module, copies to the neighboring net-work device of the network equipment described in described multicast path for controlling labelling and described neighboring net-work device information according to described multicast replication by described multicast message.
In conjunction with second aspect, in the first possible implementation of second aspect, described equipment level number information includes the level of each network equipment in network and each network equipment numbering in affiliated level;
Described first acquisition module obtains network level number specifically for the level according to described each network equipment, utilizes described network level number and described each network equipment in the neighboring net-work device information of the numbering described network equipment of acquisition of affiliated level;
Wherein, the neighboring net-work device information of the described network equipment includes the neighboring net-work device information of each level.
In conjunction with the first possible implementation of second aspect, in the implementation that the second of second aspect is possible, described multicast replication controls labelling and includes the multicast replication control labelling of each level;
Described processing module controls network equipment neighboring net-work device in each level described in the neighboring net-work device acquisition of information that labelling is corresponding with each level specifically for the multicast replication according to each level, and the neighboring net-work device of each acquisition is included in described multicast path;
Described multicast message is copied to the neighboring net-work device of each acquisition.
In conjunction with the implementation that the second of second aspect is possible, in the third possible implementation of second aspect, the multicast replication of described each level controls to be labeled as the first string of binary characters, a network equipment in the corresponding described level of a bit in first string of binary characters of each level, wherein, bit position 1 represents that the network equipment that described bit is corresponding includes in described multicast path, and bit position 0 represents that the network equipment that described bit is corresponding is not included in described multicast path;
The neighboring net-work device information of described each level is the second string of binary characters, a network equipment in the corresponding described level of a bit in second string of binary characters of each level, wherein, bit position 1 represents the neighboring net-work device that the network equipment is the described network equipment that described bit is corresponding, and bit position 0 represents that the network equipment that described bit is corresponding is not the neighboring net-work device of the described network equipment.
The third possible implementation in conjunction with second aspect, in the 4th kind of possible implementation of second aspect, described processing module, specifically for the second string of binary characters of the first string of binary characters of each level Yu described level carries out step-by-step and operation, obtains the 3rd string of binary characters;
Described multicast message is copied to the network equipment that the bit of described 3rd string of binary characters mid-1 is corresponding.
In conjunction with first to fourth any one possible implementation of second aspect, second aspect, in the 5th kind of possible implementation of second aspect, if the described network equipment is Ingress node, the described network equipment also includes generation module and package module;
Described first acquisition module is additionally operable to receive the information of the multicast tree that controller sends, and described multicast tree is that described controller generates according to the position of multicast source node and multicast destination node;
Described generation module generates described multicast replication for the information according to described multicast tree and described equipment level number information and controls labelling;
Described package module generates described multicast message for utilizing described multicast replication to control the labelling message encapsulation to entering the described network equipment.
In conjunction with the 5th kind of possible implementation of second aspect, in the 6th kind of possible implementation of second aspect, described multicast tree includes at least one multicast node;
Described generation module obtains the equipment level numbering of each multicast node in described multicast tree specifically for the information according to described multicast tree and described equipment level number information, utilizes the equipment level numbering of described equipment level number information and described each multicast node to generate described multicast replication and controls labelling.
The 6th kind of possible implementation in conjunction with second aspect, in the 7th kind of possible implementation of second aspect, described generation module is additionally operable in described multicast replication, equipment level numbering corresponding for described each multicast node is controlled bit position 1 corresponding in labelling, according to described equipment level number information, in described multicast replication, non-multicast nodes in network is controlled bit position 0 corresponding in labelling.
In conjunction with second aspect, in the 8th kind of possible implementation of second aspect, if the described network equipment is fringe node, described processing module controls labelling specifically for deleting the described multicast replication in described multicast message, is replicated away from corresponding port by the described multicast message deleting described multicast replication control labelling.
nullIn the present invention,The network equipment obtains equipment level number information,The neighboring net-work device information of the network equipment is obtained according to this equipment level number information,Simultaneously because multicast message carries multicast replication control labelling,Described multicast replication controls labelling for identifying the multicast path of described multicast message,The network equipment of the embodiment of the present invention can control the neighboring net-work device information of labelling and this network equipment according to this multicast replication and described multicast message copies to the neighboring net-work device of the network equipment described in described multicast path,Above-mentioned reproduction process does not need multicast list,Save multicast resource,Solving the network equipment in prior art needs the multicast list of multicast group to carry out message replicating forwarding,Each multicast list needs to be stored in the network equipment,Each multicast list takies the multicast resource of the network equipment,The multicast resource of the network equipment is required higher problem.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is Fabric networking schematic diagram of the prior art;
Fig. 2 is multicast message repeating process schematic diagram of the prior art;
Fig. 3 is the flow chart of multicast message processing method embodiment one of the present invention;
Fig. 4 is the present invention equipment level numbering schematic diagram to network apparatus in networks;
Fig. 5 is the flow chart of multicast message processing method embodiment two of the present invention;
Fig. 6 is the structural representation of the multicast message of the present invention;
Fig. 7 is multicast tree schematic diagram of the present invention;
Fig. 8 is the structural representation of inventive network apparatus embodiments one;
Fig. 9 is the structural representation of inventive network apparatus embodiments two;
Figure 10 is the structural representation of inventive network apparatus embodiments three.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Fig. 3 is the flow chart of multicast message processing method embodiment one of the present invention, the executive agent of the present embodiment can be arbitrary network equipment in Fig. 1 or Fig. 2, this network equipment can be router or switch, Fig. 4 is the present invention equipment level numbering schematic diagram to network apparatus in networks, as it is shown on figure 3, the method for the present embodiment may include that
Step 101, the network equipment obtain equipment level number information, obtain the neighboring net-work device information of the described network equipment according to described equipment level number information.
Wherein, controller obtains equipment level number information according to the physical topology of network equipment each in network, this equipment level number information includes the level number information of all-network equipment in network, this equipment level number information is sent to each network equipment by described controller, then the described network equipment obtains equipment level number information specifically, the described network equipment receives the described equipment level number information controlling and sending.
After getting described equipment level number information, each network equipment obtains the neighboring net-work device information of this network equipment according to described equipment level number information, and the neighboring net-work device information of this network equipment refers specifically to the information of other network equipments being joined directly together with this network equipment.
Step 102, the described network equipment obtain the multicast replication in multicast message and control labelling, and described multicast replication controls labelling for identifying the multicast path of described multicast message.
Wherein, described multicast message carries multicast replication and controls labelling, the described network equipment obtains this multicast replication and controls labelling, control labelling according to this multicast replication and can know the multicast path of described multicast message, namely know in network the information of each network equipment needing to replicate described multicast message.
The multicast path of multicast message refers specifically to multicast message and arrives, from multicast source node, the path that multicast destination node is formed through intermediate node, and namely multicast message can arrive multicast destination node by the multicast path of multicast message from multicast source node.
Step 103, the described network equipment control labelling and described neighboring net-work device information according to described multicast replication and described multicast message copy to the neighboring net-work device of the network equipment described in described multicast path.
Concrete, the network equipment controls labelling according to multicast replication and knows the information of each network equipment needing to replicate described multicast message in network, can know, according to described neighboring net-work device information, other network equipments being joined directly together in described network with this network equipment simultaneously, then multicast message can be copied to the neighboring net-work device of this network equipment needing duplicated multicast message by the network equipment according to above-mentioned two information, the network equipment not needing duplicated multicast message or the neighboring net-work device not being this network equipment can be given according to above-mentioned two information not duplicated multicast message simultaneously.
Optionally, described equipment level number information includes the level of each network equipment in network and each network equipment numbering in affiliated level;Corresponding, in step 101, the neighboring net-work device information according to the described equipment level number information described network equipment of acquisition is specifically as follows:
Level according to described each network equipment obtains network level number, utilizes described network level number and described each network equipment in the neighboring net-work device information of the numbering described network equipment of acquisition of affiliated level;Wherein, the neighboring net-work device information of the described network equipment includes the neighboring net-work device information of each level, the neighboring net-work device information of described each level and network level one_to_one corresponding, the information of other network equipments being directly connected to the described network equipment that the neighboring net-work device information of a level refers specifically to be positioned at described level.
Concrete, as shown in Figure 4, equipment level numbering schematic diagram for network equipment each in described network, equipment level number information includes the level of each network equipment in network and each network equipment numbering in affiliated level, for example, the equipment level number information that first network equipment of the first row in Fig. 4 is corresponding is (level1, 1), level1 is the level of this network equipment, 1 is this network equipment numbering in level1, the equipment level number information that in Fig. 4, second network equipment of the second row is corresponding is (level2, 2), level2 is the level of this network equipment, 2 are this network equipment numbering in level2.Level according to each network equipment can obtain network level number, network level number can be 2 can also be 3, it is not limited as herein, level number corresponding to different network topologies can be different, network of network level number as shown in Figure 4 is 3, when network level number is 3, the neighboring net-work device information of the network equipment includes the neighboring net-work device information of three levels, namely includes the information being arranged in other network equipments that three levels are directly connected to the described network equipment.
Optionally, described multicast replication control labelling includes the multicast replication control labelling of each level;Step 103 is specifically as follows: the described network equipment controls network equipment neighboring net-work device in each level described in the neighboring net-work device acquisition of information that labelling is corresponding with each level according to the multicast replication of each level, and each neighboring net-work device of described acquisition is included in described multicast path;Described multicast message is copied to the neighboring net-work device of each acquisition.
Optionally, the multicast replication of described each level controls to be labeled as the first string of binary characters, a network equipment in the corresponding described level of a bit in first string of binary characters of each level, wherein, bit position 1 represents that the network equipment that this bit is corresponding includes in described multicast path, and bit position 0 represents that the network equipment that this bit is corresponding is not included in described multicast path;
The neighboring net-work device information of described each level is the second string of binary characters, a network equipment in the corresponding described level of a bit in second string of binary characters of each level, bit position 1 represents the neighboring net-work device that the network equipment is the described network equipment that described bit is corresponding, and bit position 0 represents that the network equipment that described bit is corresponding is not the neighboring net-work device of the described network equipment.
Accordingly, step 103 is specifically as follows: the second string of binary characters of the first string of binary characters of each level Yu described level is carried out step-by-step and operation by the described network equipment, obtains the 3rd string of binary characters;Described multicast message is copied to the network equipment that the bit of described 3rd string of binary characters mid-1 is corresponding.
Concrete, major electrical components is done with the network structure shown in Fig. 4, multicast replication controls labelling can include the multicast replication control labelling of three levels, the multicast replication of each level controls labelling and includes the information needing to carry out the network equipment of multicast replication in this level, specifically can carry out labelling putting 1 mode, bit position 1 corresponding with the network equipment needing to carry out multicast replication in labelling is controlled by the multicast replication of each level, such as, if (level1 in network, 2) (level2, 1) (level3, 1) (level3, 3) (level3, 4) the network equipment needs to carry out multicast replication, owing in all levels, the maximum of the network equipment is numbered 5, then the multicast replication of every layer controls the length of labelling is 5 bits.So corresponding for level1 multicast replication controls to be labeled as (01000), and multicast replication corresponding for level2 controls to be labeled as (10000), and multicast replication corresponding for level3 controls to be labeled as (10110).So multicast replication control labelling is (01000,10000,10110).This multicast replication is controlled labelling and neighboring net-work device information carries out step-by-step and operation, obtain multicast message and process information, illustrate with the example above, labelling (01000 is controlled by multicast replication, 10000,10110) with neighboring net-work device information (11000,00000,11111) step-by-step and operation are carried out, obtain the 3rd string of binary characters (01000,00000,10110), described multicast message is copied in described 3rd string of binary characters each put 1 the network equipment corresponding to bit.The length of length and neighboring net-work device information that above-mentioned multicast replication controls labelling can pre-set.
According to described 3rd string of binary characters, described multicast message is processed, be specifically as follows: duplicated multicast message to described 3rd string of binary characters put 1 the network equipment corresponding to bit, do not replicate described multicast message to the network equipment corresponding to the bit set to 0 of described 3rd string of binary characters.It is further illustrated by with the example above, is copied to level number information for (level1,2) by multicast message, (level3,1), the network equipment of (level3,3) and (level3,4).
The executive agent of above-mentioned embodiment is the network equipment, and this network equipment can be Ingress node, it is also possible to be intermediate node etc..
Optionally, if the network equipment of executive agent is Ingress node, this Ingress node is connected with multicast source node, described multicast source node can be management resource the computer providing the user service, such as: file server, database server server etc., before step 102, it is also possible to including:
Receiving the information of the multicast tree that controller sends, described multicast tree is that described controller generates according to the position of multicast source node and multicast destination node;
Information and described equipment level number information according to described multicast tree generate described multicast replication and control labelling;
Utilize described multicast replication to control the labelling message encapsulation to entering the described network equipment and generate described multicast message.
Further, described multicast tree includes at least one multicast node;This multicast node refers specifically to the network equipment needing to carry out multicast replication, and it can be Ingress node, intermediate node etc..
Information and described equipment level number information according to described multicast tree generate described multicast replication and control labelling, it is specifically as follows: obtaining, with described equipment level number information, the equipment level numbering that in described multicast tree, each multicast node is corresponding according to the information of described multicast tree, the equipment level numbering utilizing described equipment level number information corresponding with described each multicast node generates described multicast replication and controls labelling.
Optionally, the described equipment level numbering utilizing described equipment level number information and described each multicast node generates multicast replication and controls labelling, it is specifically as follows: the equipment level of described each multicast node is numbered and controls bit position 1 corresponding in labelling in described multicast replication, according to described equipment level number information, non-multicast nodes in network is controlled bit position 0 corresponding in labelling in described multicast replication.
Optionally, if the network equipment of executive agent is fringe node, described fringe node is connected with described multicast destination node, the described network equipment is deleted the described multicast replication in described multicast message and is controlled labelling, is replicated away from corresponding port by the described multicast message deleting described multicast replication control labelling.
nullIn the present embodiment,The network equipment passes through acquisition equipment level number information,The neighboring net-work device information of the network equipment is obtained according to this equipment level number information,Simultaneously because multicast message carries multicast replication control labelling,Described multicast replication controls labelling for identifying the multicast path of described multicast message,The network equipment of this enforcement can control the neighboring net-work device information of labelling and this network equipment according to this multicast replication and described multicast message copies to the neighboring net-work device of the network equipment described in described multicast path,Above-mentioned reproduction process does not need multicast list,Save multicast resource,Solving the network equipment in prior art needs the multicast list of multicast group to carry out message replicating forwarding,Each multicast list needs to be stored in the network equipment,Each multicast list takies the multicast resource of the network equipment,The multicast resource of the network equipment is required higher problem.
Adopt a specific embodiment below, the technical scheme of embodiment of the method shown in Fig. 3 is described in detail.
Fig. 5 is the flow chart of multicast message processing method embodiment two of the present invention, the present embodiment is that in data center network, each network equipment utilizes what multicast message processing method as shown in Figure 3 completed multicast message in network to replicate illustrating of repeating process, Fig. 6 is the structural representation of the multicast message of the present invention, as it is shown in figure 5, the method for the present embodiment may include that
When S301, multicast message enter Fabric, first Ingress node obtains the packaging information of this multicast message according to the multicast group of this multicast message and VLAN, then utilizes this packaging information that this multicast message is packaged.
Wherein, multicast message can be too net multicast message, and this multicast message includes MAC Address, IP address, vlan information and payload data etc..Above-mentioned information according to this multicast message can obtain the packaging information for this multicast message is packaged, and concrete packaged type can be, first encapsulation bitmap encapsulates outer layer head again, and described bitmap is for identifying the multicast path of this multicast message.Described outer layer head is the heading of standard, as first-class in TRILL head or IP.As shown in Figure 6, Fig. 6 is the structural representation of multicast message in the present invention to the multicast message obtained after encapsulation.S301 is described in detail and is specially S3011-S3013.
It should be noted that the bitmap in the present embodiment is the multicast replication in embodiment illustrated in fig. 3 controls labelling.Comprising multiple node in Fabric, each node can be the network equipment (router or switch).
S3011, each node obtain level numbering result.
Concrete, Fabric node is divided into multilamellar (typical case's multicast is not over three layers) according to Fabric network topology by controller, respectively each node serial number of each layer, the level numbering result of all nodes will be sent to each node, this level numbering result includes the numbering of each node in the numbering of each node in level belonging to level belonging to node, node and other levels, specifically can be as shown in Figure 4, node each in Fabric is divided into three layers, respectively level1, level2 and level3, each node serial number is as shown in Figure 4.
S3012, controller calculate multicast tree, and the information of described multicast tree is sent to multicast Ingress node.
The controller position according to multicast source node and multicast destination node place, calculate multicast tree, this multicast tree includes each node needing multicast replication, wherein, this multicast source node is connected with Ingress node, this multicast destination node is connected with fringe node, and this multicast destination node is program request person place node.For example, for a multicast group, 1 node that Ingress node is level3 that the multicast source node of this multicast group connects, 2 nodes of fringe node respectively level1 that are connected with multicast destination node, 3 nodes of level3, level3 4 nodes, the multicast tree so calculated is as shown in Figure 7, Fig. 7 is multicast tree schematic diagram of the present invention, the multicast tree information of this multicast tree is ((level3,1), (level2,1), (level1,2), (level3,3), (level3,4)).The information of multicast tree, after calculating multicast tree, is issued to each node in this multicast tree by controller.
S3013, described multicast tree the Ingress node multicast message to receiving carry out multicast message head encapsulation.
nullAfter multicast message enters Fabric network,The Ingress node of multicast tree generates multicast replication head according to the information of the multicast tree received,This multicast replication head is made up of the bitmap of each level,Illustrate with three layers Fabric,Bitmap includes level1bitmap、Level2bitmap and level3bitmap,Bit position 1 in the bitmap that each node that multicast tree is included by described Ingress node is corresponding,Such as the example above,The bitmap of each level is made up of 5 bits,The multicast tree information of this multicast tree is ((level3,1)、(level2,1)、(level1,2)、(level3,3)、(level3,4)),The bitmap that so this message is corresponding is (01000,10000,10110).
Described multicast message is processed by S302, node according to the bitmap in multicast message.
nullConcrete,First Ingress node is after completing the encapsulation to multicast message,Information according to the bitmap in described multicast message and the neighbor node of this Ingress node determines whether to replicate described multicast message,Wherein,This neighbor node includes there are other nodes of annexation with this Ingress node,For example,Ingress node is 1 node of level3,According to Fig. 4,1 node that neighbor node is level2 of 1 node of this level3、2 nodes of level2 and 3 nodes of level2,And the bitmap of this multicast message is (010000,100000,101100),Its bit of mid-1 is found at this bitmap,Judge that whether this node corresponding to bit putting 1 is the neighbor node of this Ingress node,Can be seen that 1 node that node is level3 that the bit of described bitmap mid-1 is corresponding、1 node of level2、2 nodes of level1、3 nodes of level3、4 nodes of level3,And the neighbor node that 1 node is Ingress node of wherein level2,So this multicast message is copied to 1 node of level2 by Ingress node from the corresponding interface.If the node that the bit of bitmap mid-1 is corresponding is not the neighbor node of this Ingress node, then described Ingress node does not replicate described multicast message.
Intermediate node receives the multicast message with bitmap, obtains the neighbor node of this intermediate node, and in above-mentioned rapid 302, duplicated multicast message is to node corresponding to 1, bit position in bitmap and this bit, the i.e. neighbor node of this intermediate node.
S303, when multicast message copies to the edge of described multicast tree, receive the described bitmap in multicast message described in the knot removal of described multicast message, be copied to final user further according to multicast list from corresponding port by deleting the described multicast message of described bitmap.
It should be noted that, utilize the multicast message processing method of the present embodiment, when solving in background technology the problem shown in Fig. 2, the node that in Fig. 2, each multicast group both passes through is when using the method for prior art, this node needs to store the multicast list of all multicast group, and when using the multicast message processing method of the present embodiment, owing to the multicast message of the present embodiment is packaged with bitmap, this bitmap carries the multicast path information of message, multicast message can be carried out replicating forwarding etc. according to the bitmap in multicast message and process by the intermediate node in Fig. 2, such that it is able to effectively reduce the pressure of network equipment storage multicast list.
Fig. 8 is the structural representation of inventive network apparatus embodiments one, as shown in Figure 8, the device of the present embodiment may include that the first acquisition module 11, second acquisition module 12 and processing module 13, wherein, first acquisition module 11 is used for obtaining equipment level number information, the neighboring net-work device information of the described network equipment is obtained according to described equipment level number information, second acquisition module 12 controls labelling for obtaining the multicast replication in multicast message, described multicast replication controls labelling for identifying the multicast path of described multicast message, described multicast message is copied to the neighboring net-work device of the network equipment described in described multicast path for controlling labelling and described neighboring net-work device information according to described multicast replication by processing module 13.
Optionally, described equipment level number information includes the level of each network equipment in network and each network equipment numbering in affiliated level;
Described first acquisition module 11 obtains network level number specifically for the level according to described each network equipment, utilizes described network level number and described each network equipment in the neighboring net-work device information of the numbering described network equipment of acquisition of affiliated level;Wherein, the neighboring net-work device information of the described network equipment includes the neighboring net-work device information of each level, the neighboring net-work device information of described each level and network level one_to_one corresponding, the i.e. information of other network equipments being directly connected to the described network equipment that the neighboring net-work device information of described each level refers specifically to be positioned at each layer.
Further, described multicast replication controls labelling and includes the multicast replication control labelling of each level, and the multicast replication of described each level controls labelling and network level one_to_one corresponding;
Described processing module 13 controls network equipment neighboring net-work device in each level described in the neighboring net-work device acquisition of information that labelling is corresponding with each level specifically for the multicast replication according to each level, and the neighboring net-work device of each acquisition is included in described multicast path;Described multicast message is copied to the neighboring net-work device of each acquisition.
Optionally, the multicast replication of described each level controls to be labeled as the first string of binary characters, a network equipment in the corresponding described level of a bit in first string of binary characters of each level, wherein, bit position 1 represents that the network equipment that described bit is corresponding includes in described multicast path, and bit position 0 represents that the network equipment that described bit is corresponding is not included in described multicast path;
The neighboring net-work device information of described each level is the second string of binary characters, a network equipment in the corresponding described level of a bit in second string of binary characters of each level, wherein, bit position 1 represents the neighboring net-work device that the network equipment is the described network equipment that described bit is corresponding, and bit position 0 represents that the network equipment that described bit is corresponding is not the neighboring net-work device of the described network equipment.
Described processing module 13, specifically for the second string of binary characters of the first string of binary characters of each level Yu described level carries out step-by-step and operation, obtains the 3rd string of binary characters;Described multicast message is copied to the network equipment that the bit of described 3rd string of binary characters mid-1 is corresponding.
The device of the present embodiment, it is possible to for performing the technical scheme of embodiment of the method shown in Fig. 3, it is similar with technique effect that it realizes principle, repeats no more herein.
Fig. 9 is the structural representation of inventive network apparatus embodiments two, as shown in Figure 9, if the described network equipment is Ingress node, the device of the present embodiment is on the basis of Fig. 8 shown device structure, further, can also including: generation module 14 and package module 15, described first acquisition module 11 is additionally operable to receive the information of the multicast tree that controller sends, and described multicast tree is that described controller generates according to the position of multicast source node and multicast destination node;Described generation module 14 generates described multicast replication for the information according to described multicast tree and described equipment level number information and controls labelling;Described package module 15 generates described multicast message for utilizing described multicast replication to control the labelling message encapsulation to entering the described network equipment.
Optionally, described multicast tree includes at least one multicast node;Described generation module 14 obtains the equipment level numbering of each multicast node in described multicast tree specifically for the information according to described multicast tree and described equipment level number information, utilizes the equipment level numbering of described equipment level number information and described each multicast node to generate multicast replication and controls labelling.
Further, described generation module 14 is additionally operable in described multicast replication, equipment level numbering corresponding for described each multicast node is controlled bit position 1 corresponding in labelling, according to described equipment level number information, in described multicast replication, non-multicast nodes in network is controlled bit position 0 corresponding in labelling.
Optionally, if the described network equipment is fringe node, described processing module 13 controls labelling specifically for deleting the described multicast replication in described multicast message, is replicated away from corresponding port by the described multicast message deleting described multicast replication control labelling.
The device of the present embodiment, it is possible to for performing the technical scheme of embodiment of the method shown in Fig. 3 and Fig. 5, it is similar with technique effect that it realizes principle, repeats no more herein.
Figure 10 is the structural representation of inventive network apparatus embodiments three, and as shown in Figure 10, this network equipment 100 includes: bus 140;And it is connected to the processor 110 of bus 140, memorizer 120 and interface 130, wherein this interface 130 is used for obtaining equipment level number information, the neighboring net-work device information of the described network equipment is obtained according to described equipment level number information, obtaining the multicast replication in multicast message and control labelling, described multicast replication controls labelling for identifying the multicast path of described multicast message;This memorizer 120 is used for storing instruction, and described multicast message is copied to the neighboring net-work device of the network equipment described in described multicast path for performing this instruction for controlling labelling and described neighboring net-work device information according to described multicast replication by this processor 110.
In embodiments of the present invention, alternatively, described equipment level number information includes the level of each network equipment in network and each network equipment numbering in affiliated level, this interface 130 is used for obtaining the neighboring net-work device information of the described network equipment according to described equipment level number information, including:
Level according to described each network equipment obtains network level number, utilizes described network level number and described each network equipment in the neighboring net-work device information of the numbering described network equipment of acquisition of affiliated level;Wherein, the neighboring net-work device information of the described network equipment includes the neighboring net-work device information of each level.
In embodiments of the present invention, alternatively, described multicast replication controls labelling and includes the multicast replication control labelling of each level, this processor 110 performs this instruction for described multicast message being copied to the neighboring net-work device of the network equipment described in described multicast path according to described multicast replication control labelling and described neighboring net-work device information, including:
The described network equipment controls network equipment neighboring net-work device in each level described in the neighboring net-work device acquisition of information that labelling is corresponding with each level according to the multicast replication of each level, and the neighboring net-work device of each acquisition is included in described multicast path;
Described multicast message is copied to the neighboring net-work device of each acquisition.
Optionally, the multicast replication of described each level controls to be labeled as the first string of binary characters, a network equipment in the corresponding described level of a bit in first string of binary characters of each level, wherein, bit position 1 represents that the network equipment that described bit is corresponding includes in described multicast path, and bit position 0 represents that the network equipment that described bit is corresponding is not included in described multicast path;
The neighboring net-work device information of described each level is the second string of binary characters, a network equipment in the corresponding described level of a bit in second string of binary characters of each level, wherein, bit position 1 represents the neighboring net-work device that the network equipment is the described network equipment that described bit is corresponding, and bit position 0 represents that the network equipment that described bit is corresponding is not the neighboring net-work device of the described network equipment.
This processor 110 performs this instruction for described multicast message being copied to the neighboring net-work device of the network equipment described in described multicast path according to described multicast replication control labelling and described neighboring net-work device information, including:
Second string of binary characters of the first string of binary characters of each level Yu described level is carried out step-by-step and operation by the described network equipment, obtains the 3rd string of binary characters;
Described multicast message is copied to the network equipment that the bit of described 3rd string of binary characters mid-1 is corresponding.
In embodiments of the present invention, alternatively, if the described network equipment is Ingress node, this interface 130 is additionally operable to receive the information of the multicast tree that controller sends, and described multicast tree is that described controller generates according to the position of multicast source node and multicast destination node;Information and described equipment level number information according to described multicast tree generate described multicast replication and control labelling;Utilize described multicast replication to control the labelling message encapsulation to entering the described network equipment and generate described multicast message.
In embodiments of the present invention, alternatively, described multicast tree includes at least one multicast node, and this interface 130 generates described multicast replication for the information according to described multicast tree and described equipment level number information and controls labelling, including:
Information and described equipment level number information according to described multicast tree obtain the equipment level of each multicast node in described multicast tree and number, and utilize the equipment level numbering of described equipment level number information and described each multicast node to generate described multicast replication and control labelling.
Optionally, this interface 130 controls labelling for utilizing the equipment level numbering of described equipment level number information and described each multicast node to generate described multicast replication, including:
Equipment level numbering corresponding for described each multicast node is controlled bit position 1 corresponding in labelling in described multicast replication, according to described equipment level number information, non-multicast nodes in network is controlled bit position 0 corresponding in labelling in described multicast replication.
In embodiments of the present invention, alternatively, if the described network equipment is fringe node, the described multicast replication that this processor 110 is additionally operable to delete in described multicast message controls labelling, is replicated away from corresponding port by the described multicast message deleting described multicast replication control labelling.
The equipment of the present embodiment, it is possible to for performing the technical scheme of embodiment of the method, it is similar with technique effect that it realizes principle, repeats no more herein.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each embodiment of the method can be completed by the hardware that programmed instruction is relevant.Aforesaid program can be stored in a computer read/write memory medium.This program upon execution, performs to include the step of above-mentioned each embodiment of the method;And aforesaid storage medium includes: the various media that can store program code such as ROM, RAM, magnetic disc or CDs.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit;Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement;And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (18)

1. a multicast message processing method, it is characterised in that including:
The network equipment obtains equipment level number information, obtains the neighboring net-work device information of the described network equipment according to described equipment level number information;
The described network equipment obtains the multicast replication in multicast message and controls labelling, and described multicast replication controls labelling for identifying the multicast path of described multicast message;
The described network equipment controls labelling and described neighboring net-work device information according to described multicast replication and described multicast message copies to the neighboring net-work device of the network equipment described in described multicast path.
2. method according to claim 1, it is characterised in that described equipment level number information includes the level of each network equipment in network and each network equipment numbering in affiliated level;
The described neighboring net-work device information obtaining the described network equipment according to described equipment level number information, including:
Level according to described each network equipment obtains network level number, utilizes described network level number and described each network equipment in the neighboring net-work device information of the numbering described network equipment of acquisition of affiliated level;
Wherein, the neighboring net-work device information of the described network equipment includes the neighboring net-work device information of each level.
3. method according to claim 2, it is characterised in that described multicast replication controls labelling and includes the multicast replication control labelling of each level;
The described network equipment controls labelling according to described multicast replication and described multicast message is copied to the neighboring net-work device of the network equipment described in described multicast path by described neighboring net-work device information, including:
The described network equipment controls network equipment neighboring net-work device in each level described in the neighboring net-work device acquisition of information that labelling is corresponding with each level according to the multicast replication of each level, and the neighboring net-work device of each acquisition is included in described multicast path;
Described multicast message is copied to the neighboring net-work device of each acquisition.
4. method according to claim 3, it is characterized in that, the multicast replication of described each level controls to be labeled as the first string of binary characters, a network equipment in the corresponding described level of a bit in first string of binary characters of each level, wherein, bit position 1 represents that the network equipment that described bit is corresponding includes in described multicast path, and bit position 0 represents that the network equipment that described bit is corresponding is not included in described multicast path;
The neighboring net-work device information of described each level is the second string of binary characters, a network equipment in the corresponding described level of a bit in second string of binary characters of each level, wherein, bit position 1 represents the neighboring net-work device that the network equipment is the described network equipment that described bit is corresponding, and bit position 0 represents that the network equipment that described bit is corresponding is not the neighboring net-work device of the described network equipment.
5. method according to claim 4, it is characterized in that, the described network equipment controls labelling according to described multicast replication and described multicast message is copied to the neighboring net-work device of the network equipment described in described multicast path by described neighboring net-work device information, including:
Second string of binary characters of the first string of binary characters of each level Yu described level is carried out step-by-step and operation by the described network equipment, obtains the 3rd string of binary characters;
Described multicast message is copied to the network equipment that the bit of described 3rd string of binary characters mid-1 is corresponding.
6. the method according to any one of claim 1 to 5, it is characterised in that if the described network equipment is Ingress node, before the described network equipment obtains the multicast replication control labelling in multicast message, described method also includes:
Receiving the information of the multicast tree that controller sends, described multicast tree is that described controller generates according to the position of multicast source node and multicast destination node;
Information and described equipment level number information according to described multicast tree generate described multicast replication and control labelling;
Utilize described multicast replication to control the labelling message encapsulation to entering the described network equipment and generate described multicast message.
7. method according to claim 6, it is characterised in that described multicast tree includes at least one multicast node;
The described information according to described multicast tree and described equipment level number information generate described multicast replication and control labelling, including:
Information and described equipment level number information according to described multicast tree obtain the equipment level of each multicast node in described multicast tree and number, and utilize the equipment level numbering of described equipment level number information and described each multicast node to generate described multicast replication and control labelling.
8. method according to claim 7, it is characterised in that the described equipment level numbering utilizing described equipment level number information and described each multicast node generates multicast replication and controls labelling, including:
Equipment level numbering corresponding for described each multicast node is controlled bit position 1 corresponding in labelling in described multicast replication, according to described equipment level number information, non-multicast nodes in network is controlled bit position 0 corresponding in labelling in described multicast replication.
9. method according to claim 1, it is characterised in that if the described network equipment is fringe node, described method also includes:
The described network equipment is deleted the described multicast replication in described multicast message and is controlled labelling, is replicated away from corresponding port by the described multicast message deleting described multicast replication control labelling.
10. a network equipment, it is characterised in that including:
First acquisition module, is used for obtaining equipment level number information, obtains the neighboring net-work device information of the described network equipment according to described equipment level number information;
Second acquisition module, controls labelling for obtaining the multicast replication in multicast message, and described multicast replication controls labelling for identifying the multicast path of described multicast message;
Processing module, copies to the neighboring net-work device of the network equipment described in described multicast path for controlling labelling and described neighboring net-work device information according to described multicast replication by described multicast message.
11. the network equipment according to claim 10, it is characterised in that described equipment level number information includes the level of each network equipment in network and each network equipment numbering in affiliated level;
Described first acquisition module obtains network level number specifically for the level according to described each network equipment, utilizes described network level number and described each network equipment in the neighboring net-work device information of the numbering described network equipment of acquisition of affiliated level;
Wherein, the neighboring net-work device information of the described network equipment includes the neighboring net-work device information of each level.
12. the network equipment according to claim 11, it is characterised in that described multicast replication controls labelling and includes the multicast replication control labelling of each level;
Described processing module controls network equipment neighboring net-work device in each level described in the neighboring net-work device acquisition of information that labelling is corresponding with each level specifically for the multicast replication according to each level, and the neighboring net-work device of each acquisition is included in described multicast path;
Described multicast message is copied to the neighboring net-work device of each acquisition.
13. the network equipment according to claim 12, it is characterized in that, the multicast replication of described each level controls to be labeled as the first string of binary characters, a network equipment in the corresponding described level of a bit in first string of binary characters of each level, wherein, bit position 1 represents that the network equipment that described bit is corresponding includes in described multicast path, and bit position 0 represents that the network equipment that described bit is corresponding is not included in described multicast path;
The neighboring net-work device information of described each level is the second string of binary characters, a network equipment in the corresponding described level of a bit in second string of binary characters of each level, wherein, bit position 1 represents the neighboring net-work device that the network equipment is the described network equipment that described bit is corresponding, and bit position 0 represents that the network equipment that described bit is corresponding is not the neighboring net-work device of the described network equipment.
14. the network equipment according to claim 13, it is characterised in that described processing module, specifically for the second string of binary characters of the first string of binary characters of each level Yu described level carries out step-by-step and operation, obtains the 3rd string of binary characters;
Described multicast message is copied to the network equipment that the bit of described 3rd string of binary characters mid-1 is corresponding.
15. according to the network equipment described in any one of claim 10 to 14, it is characterised in that if the described network equipment is Ingress node, the described network equipment also includes generation module and package module;
Described first acquisition module is additionally operable to receive the information of the multicast tree that controller sends, and described multicast tree is that described controller generates according to the position of multicast source node and multicast destination node;
Described generation module generates described multicast replication for the information according to described multicast tree and described equipment level number information and controls labelling;
Described package module generates described multicast message for utilizing described multicast replication to control the labelling message encapsulation to entering the described network equipment.
16. the network equipment according to claim 15, it is characterised in that described multicast tree includes at least one multicast node;
Described generation module obtains the equipment level numbering of each multicast node in described multicast tree specifically for the information according to described multicast tree and described equipment level number information, utilizes the equipment level numbering of described equipment level number information and described each multicast node to generate described multicast replication and controls labelling.
17. the network equipment according to claim 16, it is characterized in that, described generation module is additionally operable in described multicast replication, equipment level numbering corresponding for described each multicast node is controlled bit position 1 corresponding in labelling, according to described equipment level number information, in described multicast replication, non-multicast nodes in network is controlled bit position 0 corresponding in labelling.
18. the network equipment according to claim 10, it is characterized in that, if the described network equipment is fringe node, described processing module controls labelling specifically for deleting the described multicast replication in described multicast message, is replicated away from corresponding port by the described multicast message deleting described multicast replication control labelling.
CN201410778208.6A 2014-12-15 2014-12-15 Multicast message processing method and the network equipment Active CN105763457B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410778208.6A CN105763457B (en) 2014-12-15 2014-12-15 Multicast message processing method and the network equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410778208.6A CN105763457B (en) 2014-12-15 2014-12-15 Multicast message processing method and the network equipment

Publications (2)

Publication Number Publication Date
CN105763457A true CN105763457A (en) 2016-07-13
CN105763457B CN105763457B (en) 2019-05-07

Family

ID=56336853

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410778208.6A Active CN105763457B (en) 2014-12-15 2014-12-15 Multicast message processing method and the network equipment

Country Status (1)

Country Link
CN (1) CN105763457B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108809836A (en) * 2018-05-31 2018-11-13 新华三技术有限公司 Multicast data packet forwarding method and device
CN110391923A (en) * 2018-04-18 2019-10-29 华为技术有限公司 The method and the network equipment of multicast message processing
CN112202674A (en) * 2020-09-27 2021-01-08 北京物芯科技有限责任公司 Method, device, equipment and storage medium for forwarding multicast message
US20220014391A1 (en) * 2020-07-10 2022-01-13 Realtek Semiconductor Corp. Replication list table structure for multicast packet replication
WO2022161379A1 (en) * 2021-01-29 2022-08-04 华为技术有限公司 Method for determining shortest path and related device
CN117155852A (en) * 2023-10-30 2023-12-01 苏州元脑智能科技有限公司 Routing method and device of broadcast message, computer equipment and storage medium

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101009705A (en) * 2007-01-30 2007-08-01 华为技术有限公司 Method and related device for attribute identification of data frame and extraction of the multicast identifier
CN102333041A (en) * 2009-03-05 2012-01-25 华为技术有限公司 Method, system and equipment for admission control
US20130100953A1 (en) * 2011-10-24 2013-04-25 Futurewei Technologies, Co. In Band Signaling in Next Generation-Multicast Virtual Private Network Using Receiver Driven Resource Reservation Protocol-Traffic Engineering Point-To-Multipoint

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101009705A (en) * 2007-01-30 2007-08-01 华为技术有限公司 Method and related device for attribute identification of data frame and extraction of the multicast identifier
CN102333041A (en) * 2009-03-05 2012-01-25 华为技术有限公司 Method, system and equipment for admission control
US20130100953A1 (en) * 2011-10-24 2013-04-25 Futurewei Technologies, Co. In Band Signaling in Next Generation-Multicast Virtual Private Network Using Receiver Driven Resource Reservation Protocol-Traffic Engineering Point-To-Multipoint

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110391923A (en) * 2018-04-18 2019-10-29 华为技术有限公司 The method and the network equipment of multicast message processing
CN108809836A (en) * 2018-05-31 2018-11-13 新华三技术有限公司 Multicast data packet forwarding method and device
CN108809836B (en) * 2018-05-31 2020-02-18 新华三技术有限公司 Multicast data message forwarding method and device
US20220014391A1 (en) * 2020-07-10 2022-01-13 Realtek Semiconductor Corp. Replication list table structure for multicast packet replication
CN113992606A (en) * 2020-07-10 2022-01-28 瑞昱半导体股份有限公司 Replication string list structure for multicast packet replication
US11658837B2 (en) * 2020-07-10 2023-05-23 Realtek Semiconductor Corp. Multicast packet replication method
CN112202674A (en) * 2020-09-27 2021-01-08 北京物芯科技有限责任公司 Method, device, equipment and storage medium for forwarding multicast message
WO2022161379A1 (en) * 2021-01-29 2022-08-04 华为技术有限公司 Method for determining shortest path and related device
CN117155852A (en) * 2023-10-30 2023-12-01 苏州元脑智能科技有限公司 Routing method and device of broadcast message, computer equipment and storage medium
CN117155852B (en) * 2023-10-30 2024-02-23 苏州元脑智能科技有限公司 Routing method and device of broadcast message, computer equipment and storage medium

Also Published As

Publication number Publication date
CN105763457B (en) 2019-05-07

Similar Documents

Publication Publication Date Title
US10547538B2 (en) Packet forwarding method and apparatus
CN105763457A (en) Multicast packet processing method and network device
CN105765926B (en) Configurable service broker's mapping method, device and storage medium
CN103200122B (en) A kind of software defined network is organized the processing method of table, system and controller
US20160254991A1 (en) Failure protection for traffic-engineered bit indexed explicit replication
CN108259333A (en) A kind of BUM flow control methods, relevant apparatus and system
CN105162704B (en) The method and device of multicast replication in Overlay network
CN105706391A (en) Multicast increasing through index localization
CN106656801A (en) Method and device for redirection of forwarding path of business flow and business flow forwarding system
CN106603413B (en) Method and device for transmitting flow through designated path
CN103118149B (en) Communication control method between same tenant's server and the network equipment
CN104394083B (en) Method, the method and its device and system of message forwarding of forwarding-table item processing
CN103475583B (en) The method and apparatus for removing medium education forwarding-table item
CN104253736A (en) PE (provider edge) equipment and method for notifying same of information
CN106549780A (en) A kind of network collocating method, apparatus and system
CN106209648A (en) Multicast data packet forwarding method and apparatus across virtual expansible LAN
CN107659484A (en) From the method, apparatus and system of vlan network access VXLAN networks
CN101330411B (en) Method and system for simulating large-scale network topological
CN105049373A (en) APS-based MLAG switching protection method
WO2017143738A1 (en) Method and apparatus for sending message
CN105743780A (en) Message transmission method and device
CN102136957B (en) Label switched path monitoring realization method, device and system
CN104883337B (en) The implementation method and device of looped network user security
CN105743784A (en) Switching control method and device in deploying high capacity business
CN108183851B (en) Message forwarding method and forwarding equipment

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant