Method and device for multicast data transmission in multi-homing scenarios

A data transmission and scene group technology, applied in digital transmission systems, transmission systems, data exchange networks, etc., can solve problems such as reducing the reliability of data transmission

Active Publication Date: 2018-03-02
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If P1 fails, the services between PE2 and PE3 and PE1 will be interrupted, reducing the reliability of data transmission

Method used

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  • Method and device for multicast data transmission in multi-homing scenarios
  • Method and device for multicast data transmission in multi-homing scenarios
  • Method and device for multicast data transmission in multi-homing scenarios

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Embodiment Construction

[0106] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0107] Terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a", "said" and "the" are also intended to include the plural form...

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Abstract

The embodiment of the present invention provides a method for multicast data transmission in a multi-homing scenario, which helps to improve the stability of data transmission. The method includes: the provider edge PE device receives the first multicast routing information sent by the first provider P device and the second multicast routing information sent by the second P device; the PE device receives the first multicast routing information Routing information and the second multicast routing information perform route optimization, and determine that the route corresponding to the first multicast routing information is the active multicast route; The first multicast routing information is to determine a first identifier, and the first identifier is used to identify the first P device as the root node; the PE device sends the first P device and the second P device respectively Multicast routing information corresponding to the PE device.

Description

technical field [0001] Embodiments of the present invention relate to the field of communication technologies, and in particular to a method and device for multicast data transmission in a multi-homing scenario. Background technique [0002] Under the seamless (English is Seamless) Multi-Protocol Label Switching (English abbreviation is Multi-Protocol LabelSwitching, English abbreviation is MPLS) network architecture, all services can be transmitted to the designated service processing point through the MPLS pipeline at the service access point. figure 1 It is a schematic diagram of an existing Seamless MPLS-based multicast service scenario. Provider edge (full English name is provider edge, English abbreviation is PE) equipment can exist as a service access point or end point of multicast virtual private network (English full name is Multicast Virtual Private Network, English abbreviation is MVPN). Such as figure 1 As shown, PE1, PE2, and PE3 can all serve as service acce...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/761H04L45/16
Inventor 张力
Owner HUAWEI TECH CO LTD
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