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Message transmission method and router

A message transmission and router technology, applied in the Internet field, can solve the problem of consuming network bandwidth, etc., and achieve the effect of reducing consumption and reducing the number of message fragments

Inactive Publication Date: 2012-04-18
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the source and destination address information of multiple packets in the same packet flow are the same, the IPv6 header of the encapsulated IPv6 packet will not participate in any routing behavior on the tunnel transmission path. Therefore, the IPv6 passenger packet in the tunnel The source and destination address information of the text does not play any role in tunnel forwarding, but consumes network bandwidth

Method used

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  • Message transmission method and router
  • Message transmission method and router
  • Message transmission method and router

Examples

Experimental program
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Embodiment Construction

[0043] In the technical solution provided by the present invention, the core idea is to re-identify the traffic carried by the tunnel through the information exchange between the two routers located at the end points of the GRE tunnel, and the decapsulating router can assign the flow identification corresponding to the address information to the message , and send the flow identifier and the corresponding address information to the encapsulation router through the destination control message, so that the encapsulation router establishes the corresponding relationship between the address information and the flow identifier according to the received destination control message, and according to the corresponding relationship, use the flow identifier to replace the address information in the incoming tunnel message, compress the incoming tunnel message, and send the compressed incoming tunnel message to the decapsulating router; the decapsulating forwarding router assigns an addres...

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PUM

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Abstract

The invention discloses a message transmission method and a router. The message transmission method comprises the following steps: an encapsulating router obtains a flow label corresponding to an in-tunnel message without an assigned flow label, establishes a corresponding relation between the flow label and the address information of the message and is synchronized for the corresponding relationtogether with an decapsulating router; and the encapsulating router encapsulates and sends the in-tunnel message to the decapsulating router after substituting the address information in the in-tunnel message by using the flow label according to the corresponding relation when receiving the in-tunnel message belonging to the same flow of the encapsulated message, so that the decapsulating router decapsulates the in-tunnel message according to the corresponding relation. The invention compresses and sends the in-tunnel message and reduces the consumption of a network bandwidth. The invention also discloses the encapsulating router and the decapsulating router applying the method.

Description

technical field [0001] The invention relates to the technical field of the Internet, in particular to a message transmission method and a router. Background technique [0002] With the development of network technology and the expansion of network influence, the existing IPv4 (Internet Protocol version 4, Internet Protocol version 4) addresses in the Internet are already in short supply. Although technologies such as allocating temporary IPv4 addresses or NAT (Network Address Translation, Network Address Translation) can alleviate the shortage of IPv4 addresses to a certain extent, it also increases the overhead of address resolution and processing, and at the same time causes some high-level applications to fail. Ineffective, and cannot avoid the problem that IPv4 addresses are about to be allocated. [0003] The IPv6 (Internet Protocol version 6, Internet Protocol version 6) address with 128-bit address length can completely solve the problem of insufficient IPv4 addresse...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L29/06H04L29/12H04L12/46
Inventor 王佩龙王文海
Owner NEW H3C TECH CO LTD
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