A method and system and route device for transmitting the multicast message

A technology for transmitting groups and messages, applied in transmission systems, digital transmission systems, electrical components, etc., can solve problems such as lowering business service quality, fixed transmission paths, and aggravating the business load of routing equipment, so as to improve business service quality and avoid Effect of transmission error and traffic load reduction

Inactive Publication Date: 2007-08-01
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, in the prior art, the path for transmitting multicast messages in the receiving end network is fixed, that is to say, only fixed routing devices are configured in the receiving end network to support the IGMP PROXY protocol. For example, referring to FIG. 1 , at the receiving end In the network, IGMP PROXY protocol is configured for routing devices S1, S2 and S4, but routing device S3 is not configured with IGMP PROXY protocol. In this way, the multicast messages of IGMP protocol between the receiving end network and the sending end network can only pass through routing device S1 , S2 and S4 for transparent transmission, the transmission path is fixed
In this way, once any routing device or link on the transmission path fails, the multicast message cannot be routed through other paths, so that the transmission of the multicast message in the receiving end network cannot be guaranteed, which greatly reduces the service efficiency. service quality
[0007] In addition, in the prior art, after the routing device directly connected to the host in the receiving network is configured with the IGMP PROXY protocol, as long as it receives a multicast message from the host, it will transparently transmit the multicast message. Therefore, in When a large number of hosts send multicast messages at the same time, a large number of multicast messages will appear in the receiving end network at the same time, thus increasing the service load of the routing device in the receiving end network

Method used

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  • A method and system and route device for transmitting the multicast message
  • A method and system and route device for transmitting the multicast message
  • A method and system and route device for transmitting the multicast message

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Embodiment 1

[0067] Fig. 2 is a flowchart of Embodiment 1 of the present invention. Referring to Fig. 1 and Fig. 2, the present embodiment aims at the first mode in the above business scenario, and the process of realizing the transmission of multicast messages specifically includes the following steps:

[0068] Step 201: In the receiving end network, configure the information of the networks to which different multicast group addresses belong in advance on the routing device directly connected to the host.

[0069] In actual service implementation, there may be multicast sources not only in the sending network, but also in the receiving network where the host resides. That is to say, the multicast group where the host resides can not only The group, that is, the multicast group that the sending end network performs multicast to the receiving end network, or the local network multicast group, that is, the multicast group that performs multicast in the receiving end network. In this way, f...

Embodiment 2

[0095] Fig. 3 is a flowchart of Embodiment 2 of the present invention. Referring to Fig. 1 and Fig. 3, the present embodiment aims at the second mode in the above business scenario, and the process of realizing the transmission of multicast messages specifically includes the following steps:

[0096] Step 301: The edge routing device in the sending end network sends the multicast message to the edge routing device in the receiving end network.

[0097] Here, the multicast message sent by the edge routing device in the sender network may be any IGMP multicast message, such as a query message.

[0098] Step 302: After receiving the multicast message from the sending network, the edge routing device in the receiving network determines the unicast address of the routing device directly connected to the host receiving the multicast message.

[0099] In this embodiment, according to the information of the multicast group where the host is located, the corresponding relationship bet...

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Abstract

In the disclosed invention for multicast information transmission, a system comprises a first route device included a host interface unit and a process unit, and a second route device included an interface unit and a process unit. And the method comprises: determining the mono-cast address of device in receive network, taking former address as target address, sending multicast information to target device. This invention improves service quality and reduces business loading.

Description

technical field [0001] The present invention relates to multicast technology, in particular to a method and system for transmitting multicast messages and routing equipment. Background technique [0002] Multicast technology is an important technology to complete data transmission in IP network. Using multicast technology, a multicast source can send a piece of data to multiple hosts receiving multicast data in a point-to-multipoint manner, without sending multiple copies of data to multiple hosts, thereby improving data transmission efficiency and saving energy. network bandwidth. [0003] When implementing multicast services, different multicast routing protocols can be used. For example, when the network scale is large, in order to save network bandwidth resources, protocol-independent multicast (PIMSM) in sparse mode can be used as the multicast routing protocol. Send multicast data. For another example, when the network scale is small, in order to facilitate mainten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/58
Inventor 游君平王锋
Owner NEW H3C TECH CO LTD
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