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Message processing method and device, and method and device for building aggregation tunnel

A packet processing and tunneling technology, applied in the field of communication, can solve problems such as waste of traffic resources

Active Publication Date: 2016-03-30
BEIJING HUAWEI DIGITAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that many links in the aggregation tunnel are used to forward a large number of useless packets, resulting in a waste of traffic resources in the network

Method used

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  • Message processing method and device, and method and device for building aggregation tunnel
  • Message processing method and device, and method and device for building aggregation tunnel
  • Message processing method and device, and method and device for building aggregation tunnel

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Embodiment Construction

[0077] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0078] The inventor found through research that when multiple VPNs use the same aggregation tunnel to forward packets, the forwarding node of the aggregation tunnel actually provides the same tunnel label for all VPNs. Therefore, the forwarding node of the aggregation tunnel has different VPN packets are forwarded in the same way based on the same tunnel label. In...

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Abstract

The embodiment of the invention discloses a message processing method and device, and a method and device for building an aggregation tunnel. A forwarding node of the aggregation tunnel carries out the forwarding of a VPN message according to a tunnel tag and a VPN tag. The tunnel tag is provided with a semantic mark. For a target VPN corresponding to the aggregation tunnel, the forwarding node of the aggregation tunnel is provided with sub-tree information which is used for recording the mapping relation between the target VPN and the target VPN at the next node of the forwarding node. When the forwarding node receives the message of the target VPN, the tunnel tag is read, and the VPN tag in the message is read under the indication of the semantic mark, and the message of the target VPN is transmitted to the next node according to the read VPN tag and the configured sub-tree information. Therefore, a link in the aggregation tunnel can avoid useless messages which are transmitted, thereby saving the flow resources of a network.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a message processing method and device, and a method and device for establishing aggregation tunnels. Background technique [0002] In a network supporting the multicast aggregation forwarding technology, multiple virtual private networks (English: Virtual Private Network, VPN for short) can use the same aggregation tunnel (English: AggregateTunnel) to forward packets. In the case that multiple VPNs use the same aggregated tunnel to forward packets, the aggregated tunnel corresponds to the multiple VPNs, and the links through which the packets of the multiple VPNs are forwarded in the network together form the aggregated tunnel. tunnel, the forwarding node through which the packets of the multiple VPNs are forwarded in the network may be regarded as the forwarding node of the aggregation tunnel. During the establishment process of the aggregation tunnel, each fo...

Claims

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Application Information

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IPC IPC(8): H04L12/709H04L12/721H04L12/723H04L45/243H04L45/50
CPCH04L45/245H04L45/38H04L45/50
Inventor 谢经荣张军林
Owner BEIJING HUAWEI DIGITAL TECH
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