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Multi-multicast carrying network access equipment, system and method

A technology for access equipment and bearer network, applied in the direction of transmission system, digital transmission system, network interconnection, etc., can solve the problem of not supporting the interconnection between access equipment and multicast bearer network, and not supporting the simultaneous operation of multicast member management protocols and multicast routing protocols

Inactive Publication Date: 2010-06-23
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, access devices are developed based on applications that only access one IP core network, and do not support the simultaneous operation of multicast member management protocols and multicast routing protocols to interconnect with different IP The ingress device is interconnected with the multicast bearer network

Method used

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  • Multi-multicast carrying network access equipment, system and method
  • Multi-multicast carrying network access equipment, system and method
  • Multi-multicast carrying network access equipment, system and method

Examples

Experimental program
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Effect test

Embodiment 1

[0023] figure 2 It is a schematic structural diagram of an embodiment of a multicast bearer network access device of the present invention, including:

[0024] Multicast forwarding unit 13, processing mode configuration unit 12, a plurality of multicast protocol processing units 11, wherein:

[0025] The multicast forwarding unit 13 is used to receive the multicast protocol message; forward the multicast protocol message to the corresponding multicast protocol processing unit according to the multicast protocol processing method determined by the processing mode configuration unit; send the message through the multicast protocol processing unit The processed multicast protocol packets are sent to the corresponding multicast bearer network;

[0026] The processing mode configuration unit 12 is used to determine the corresponding multicast protocol processing mode of the multicast protocol message according to the information carried by the received multicast protocol message;...

Embodiment 2

[0036] The multicast bearer network access system of this embodiment includes: a multicast bearer network access device, connected to multiple multicast bearer networks, and used to send multicast protocol messages processed by the multicast protocol to the corresponding group broadcast bearer network.

[0037] Such as Figure 4 As shown, it is a schematic structural diagram of an embodiment of a multicast bearer network access system embodiment of the present invention, including: a plurality of multicast sources 3 and an IP core network 2 connected to a plurality of multicast sources, and each IP core network passes through a corresponding The multicast protocol communicates with a DSLAM (Digital Subscriber Line Access Multiplexer) 1, and the multicast member terminal 4 receives the multicast information sent by each multicast source through the access device 1. The IP core network is the multicast bearer network, and the DSLMA is the multicast bearer network access device....

Embodiment 3

[0041] Such as Figure 5 As shown, it is a flowchart of an embodiment of a multicast bearer network packet processing method in the present invention, including the following steps:

[0042] Step 101, according to the information carried in the multicast protocol message, query the multicast protocol processing mode corresponding to the multicast protocol message from a plurality of preset multicast protocol processing modes; this step can be specifically as follows, But not limited to the following methods:

[0043] 1) According to the VLAN information carried in the multicast protocol message, query the corresponding multicast protocol processing mode.

[0044] 2) According to the information of the layer-3 interface carried in the multicast protocol message, query the corresponding multicast protocol processing mode.

[0045] 3) According to the information of the physical interface on the network side carried in the multicast protocol message, query the corresponding mul...

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Abstract

The invention discloses a multicast bearer network access equipment, which comprises a multicast forwarding unit, a processing mode configuration unit and a plurality of multicast protocol processing units. The multicast forwarding unit is wherein used for receiving the multicast protocol datagram and forwards the multicast protocol datagram to the corresponding multicast protocol processing unitaccording to the multicast protocol processing mode determined by the processing mode configuration unit, and sends the multicast protocol datagram processed by the multicast protocol processing unitto the corresponding multicast bearer network; the processing mode configuration unit is used for determining the multicast protocol processing mode which the multicast protocol datagram corresponds to according to the information carried by the multicast protocol datagram; the multicast protocol processing unit, corresponding to different multicast bearer networks, is used for putting the multicast protocol datagram forwarded by the multicast forwarding unit into the multicast protocol processing. Correspondingly, the invention discloses a multicast bearer network access system and the method. The invention realizes the simultaneous support for a plurality of multicast protocols and the interconnection of the multicast bearer network.

Description

technical field [0001] The present invention relates to the technical field of multicast communication, in particular to a multicast bearer network access device, system and method. Background technique [0002] IP multicast refers to sending data packets to a certain subset of nodes in the network in the form of best-effort delivery in an IP network. This subset is called a multicast group. The basic idea of ​​IP multicast is that the source host only sends one piece of data, and the destination address in this data is the multicast group address; all receivers in the multicast group can receive the same data copy, and only multicast The hosts in the group (target hosts) can receive the data, but other hosts in the network cannot receive it. [0003] According to protocol functions, multicast protocols can be divided into multicast member management protocols and multicast routing protocols. Multicast member management protocols implement multicast functions between hosts ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/18H04L29/06H04L12/56H04L12/46
Inventor 柯波岳东升
Owner HUAWEI TECH CO LTD
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