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Method for transmitting multi cast data in shared network

A shared network segment and data transmission technology, applied in the field of data transmission on the communication network, can solve problems such as unbalanced multicast load, achieve the effect of expanding forwarding channels, solving serious unbalanced multicast load, and improving data transmission efficiency

Active Publication Date: 2012-06-27
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] In view of this, the main purpose of the present invention is to provide a method for multicast data transmission on a shared network segment, so as to solve the problem of the candidate upstream LSR when the multicast path on the shared network segment has more than one candidate upstream LSR. The problem of serious unbalanced multicast load can improve the efficiency of data transmission

Method used

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  • Method for transmitting multi cast data in shared network
  • Method for transmitting multi cast data in shared network
  • Method for transmitting multi cast data in shared network

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Embodiment Construction

[0054] The present invention will be described in further detail below through specific embodiments and accompanying drawings.

[0055] The core technical solution of the present invention is: during the data transmission process of the network, when at least one multicast path on the shared network segment has more than one candidate upstream router, the multiple The multicast data of the multicast path is load-balanced and forwarded, and transmitted to the downstream router of the shared network segment corresponding to the multicast path.

[0056] The embodiments of the present invention are mainly described by taking multicast data transmission in a multi-protocol label switching (MPLS) network as an example. The invention can also be applied to multicast data transmission in all similar networks.

[0057] In the embodiment of the present invention, the multicast data is transmitted based on a multi-protocol label switching MPLS network, the multicast path is a label swit...

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Abstract

The method comprises: when at least one multicast path on the shared network segment has more than one candidate upstream router, said more than one candidate upstream router bears and relays the multicast data via said multicast path, and transmits the multicast data to the downstream router of said shared network segment corresponding to the multicast path. The invention is used for balancing the loads between upstream LSRs.

Description

technical field [0001] The invention relates to the data transmission technology on the communication network, in particular to a method for multicast data transmission on the shared network segment of the communication network. Background technique [0002] Multicast technology (Multicast) is a point-to-multipoint multi-party communication technology. Compared with the commonly used unicast technology, multicast technology reduces the link bandwidth of the same data pair in the network by establishing an optimal multicast forwarding path. Resource occupation, thereby greatly reducing the consumption of network resources by multi-party communication. [0003] As the relevant standards of Multi-Protocol Label Switching (MPLS) technology mature gradually, the application field of MPLS is constantly expanding. At present, the technology of forwarding multicast data on MPLS network is constantly developing and maturing. Legacy Label Distribution (LDP) protocol is a label distr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/26H04L12/18H04L12/56H04L29/06
CPCH04L45/50H04L45/00H04L45/16H04L45/24
Inventor 刘淑英
Owner HUAWEI TECH CO LTD