Method and device for maintaining multicast members
A multicast member and multicast technology, applied in the Internet field, can solve the problems of reducing the processing efficiency of the controller and increasing the load of the controller
Active Publication Date: 2018-12-07
HUAWEI TECH CO LTD
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[0004] Because the controller periodically sends general query messages to the multicast members included in the multicast group, and when the number of multicast members included in the multicast group is large, the controller will periodically receive more query response messages, increasing increases the load on the controller, thereby reducing the processing efficiency of the controller
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[0116] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0117] figure 1 It is a system architecture diagram for maintaining multicast members provided by an embodiment of the present invention. Controllers, switches, and hosts are included in a system that maintains multicast membership. Multiple hosts can be connected to a switch, and the multiple hosts can join a multicast group at the same time, and a host can also join multiple multicast groups at the same time, and the hosts that join the multicast group can be called multicast members. The controller may send a query message to the switch, and the switch sends the query message to the multicast members included in the multicast group. The switch receives the first query response sent by the multicast members included in the multicas...
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The invention discloses a method and equipment for maintaining multicast members, belonging to the field of the Internet. The method includes: sending a query message to the switch every preset period, so that the switch sends the query message to all multicast members included in the multicast group; acquiring the local information received by the switch in the current cycle A periodic query response count value; maintaining the multicast members included in the multicast group according to the current cycle query response count value and the previous cycle query response count value. The device includes: a first sending module, an acquiring module and a maintaining module. The invention maintains the multicast members through the flow table maintained in the switch, reduces the load of the controller, and improves the processing efficiency of the controller in maintaining the multicast members.
Description
technical field [0001] The invention relates to the Internet field, in particular to a method and equipment for maintaining multicast members. Background technique [0002] An SDN (Software Defined Network, software-defined network) network includes a controller, a switch, and a host. Multiple hosts can join a multicast group at the same time, and a host can also join multiple multicast groups at the same time. A host that joins a multicast group can be called a multicast member. When multicast communication is realized, the switch is responsible for the data flow forwarding between the controller and the multicast members, and the controller maintains the multicast members who join the multicast group and the multicast members who leave the multicast group to control data The forwarding path of the flow. [0003] The current process of maintaining multicast members is as follows: the controller sends a general query message to the switch, and the switch receives the gener...
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IPC IPC(8): H04L12/18H04L12/24H04L45/16H04L45/42
CPCH04L41/0816H04L41/5051H04L12/185H04L41/0895H04L41/40H04L41/122H04L12/18H04L67/1044H04L61/5069H04L47/2483H04L49/201
Inventor 李晨吉李泉材满波
Owner HUAWEI TECH CO LTD