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

A packet processing and tunneling technology, applied in the field of communication, can solve the problem of traffic resource waste

Active Publication Date: 2019-02-19
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, method and device for establishing aggregation tunnel
  • Message processing method and device, method and device for establishing aggregation tunnel
  • Message processing method and device, method and device for establishing 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 establishing aggregation tunnels. Wherein, the forwarding node of the aggregation tunnel jointly forwards the VPN message according to the tunnel label and the VPN label. Tunnel labels carry semantic tags. For the target VPN corresponding to the aggregation tunnel, subtree information for recording the mapping relationship between the target VPN and the next node after the forwarding node of the target VPN is configured on the forwarding node of the aggregation tunnel. When the forwarding node receives the packet of the target VPN, it reads the tunnel label, reads the VPN label in the message under the instruction of the semantic mark, and forwards to the target VPN according to the read VPN label and the configured subtree information. The next node forwards the packet of the target VPN. Therefore, the links in the aggregation tunnel can avoid being used to forward useless packets, thereby saving traffic resources in the 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: Aggregate Tunnel) 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 f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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