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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 aggravating the business load of routing equipment, achieve the effects of reducing business load, improving business service quality, and avoiding transmission errors

Inactive Publication Date: 2011-04-13
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[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 the group Therefore, 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 quantity

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

Examples

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Embodiment 1

[0063] figure 2 It is a flowchart of Embodiment 1 of the present invention. see figure 1 with figure 2 In this embodiment, the process of realizing the transmission of multicast messages specifically includes the following steps for the first method in the above business scenario:

[0064] 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.

[0065] 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, for th...

Embodiment 2

[0091] image 3 It is a flowchart of Embodiment 2 of the present invention. see figure 1 with image 3 In this embodiment, for the second method in the above business scenario, the process of realizing the transmission of multicast messages specifically includes the following steps:

[0092] 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.

[0093] 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.

[0094] 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.

[0095] In this embodiment, according to the information of the multicast group where the host is located, the corresponding relationship between t...

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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 Patents(China)
IPC IPC(8): H04L12/58
Inventor 游君平王锋
Owner NEW H3C TECH CO LTD
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