Method and equipment for many-one reducibility scene multicast data transmission

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

Active Publication Date: 2015-06-17
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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 equipment for many-one reducibility scene multicast data transmission
  • Method and equipment for many-one reducibility scene multicast data transmission
  • Method and equipment for many-one reducibility scene multicast data transmission

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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 invention provides a method and equipment for many-one reducibility scene multicast data transmission. Data transmission stability can be well improved. The method comprises the steps that provider periphery PE equipment receives first multicast routing information sent by first provider equipment and second multicast routing information sent by second P equipment; the PE equipment carries out route optimization on the first multicast routing information and the second multicast routing information, and a route corresponding to the first multicast routing information is determined as mainly-used multicast routing; the PE equipment determines first identification according to the first multicast routing information corresponding to the mainly-used multicast routing, and the first identification is used for identifying the first P equipment as a main root node; and the PE equipment sends the multicast routing information corresponding to the PE equipment to the first P equipment and the second P equipment respectively.

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 Label Switching, English abbreviation is MPLS) network architecture, all services can be transmitted to the designated service processing point at the service access point through the MPLS pipeline . 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 a...

Claims

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Application Information

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