Configuration management method for realizing multicast service sharing among appointed routers and appliance thereof

A technology for multicast services and state management, applied in the field of communications, which can solve the problems of wasting shared network segment resources, unable to send data streams of multicast groups, and unable to achieve network-wide load sharing of multicast services.

Active Publication Date: 2009-11-11
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0040] It can be seen that the multicast service flow is always on one side of the link. It is impossible to realize that part of the data flow of the multicast group is sent through the branch where router B is located, while the data flow of another part of the multicast group is sent through the branch where router C is located. Therefore, the network-wide load sharing of multicast services cannot be realized, which wastes a lot of resources in the shared network segment

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  • Configuration management method for realizing multicast service sharing among appointed routers and appliance thereof
  • Configuration management method for realizing multicast service sharing among appointed routers and appliance thereof
  • Configuration management method for realizing multicast service sharing among appointed routers and appliance thereof

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Embodiment Construction

[0109] In order to solve the problems in the prior art, the present invention proposes a method for determining multiple routers on a shared network segment as DRs, and setting corresponding identity states, so that multiple DRs can jointly complete the multicast function.

[0110] In this technical solution, the problems that need to be solved include the following points. For the convenience of explanation, PIM-SM is used as an example for corresponding description. The specific technical ideas remain unchanged in other cases such as PIM-DM. The change does not affect the protection scope of the present invention:

[0111] 1. On the shared network segment, all routers need to know how many routers exist in the current shared network segment.

[0112] 2. On the current shared network segment, the division of labor and cooperation among routers is required. During this process, it is necessary to specify which multicast groups each router serves. At the same time, after a cer...

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Abstract

The invention discloses a configuration management method for realizing multicast service sharing among appointed routers and an appliance thereof. The method comprises the following steps: state management and establishing primary-backup relationship can be carried out among a plurality of routers determined as DR in a shared network segment by setting up different identities for routers which are determinated as DR in the shared network segment, resource of each router can be fully used, thus realizing sharing of multicast service for the shared network segment among routers, achieving the whole network load balance of multicast service, enlarging multicast processing ability of the shared network segment and improving the multicast processing specification of the shared network segment.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a state management method and device for realizing multicast service sharing between designated routers. Background technique [0002] At present, with the development of services such as Internet Protocol Television (IPTV) and video conferencing, and the rise of digital TV, multicast services are more and more widely used on existing networks. [0003] For the user end, the use of the multicast service is mainly realized by related protocols such as the multicast routing protocol and the Internet Group Management Protocol (Internet Group Management Protocol, IGMP). [0004] When a user needs a multicast service, he will send an IGMP group join request message of a certain multicast group to the connected router through the user end equipment. After receiving the IGMP join request message of the multicast group, the router will confirm that there are users who need to obta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L12/28H04L1/22H04L45/16
Inventor 王伟
Owner NEW H3C TECH CO LTD
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