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Method for realizing IPv6 network intercommunication based on heteromedium

An implementation method, the technology of ipv6 network, applied in the field of network communication, can solve the problems of increasing the burden of PE equipment, unable to guarantee the reliability of user routing, privacy, etc., and achieve the effect of reducing requirements

Active Publication Date: 2008-07-30
GLOBAL INNOVATION AGGREGATORS LLC
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Problems solved by technology

[0009] Although the IPv6 implementation of BGP / MPLS VPN can solve the problem of heterogeneous media interconnection, because the routing information on the user side needs to be imported and managed on the PE device, it will greatly increase the number of PE devices and routers when the number of routes increases or routes fluctuate. The burden of the entire SP (operator) network, and the reliability and privacy of user routing cannot be guaranteed

Method used

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  • Method for realizing IPv6 network intercommunication based on heteromedium
  • Method for realizing IPv6 network intercommunication based on heteromedium

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Embodiment Construction

[0046] The purpose of the present invention is to solve the problem of forwarding IPv6 messages based on MPLS L2 VPN carrying heterogeneous media. For this reason, the present invention is by the IPv6 address of far-end CE configuration for the interface that PE is connected with CE, to guarantee that the ND (Neighbor Discovery, Neighbor Discovery) discovery mechanism in the IPv6 protocol in CE equipment can be correctly carried out, like this, just can The CE device saves the routing information from the local CE device to the remote (that is, the opposite end) CE device, so that the normal exchange of IPv6 packets between heterogeneous media can be realized.

[0047] In order to ensure the realization of the ND discovery function, the present invention requires the two CE devices that transmit the IPv6 message to be in the same IPv6 address network segment during the implementation process, such as figure 1 As shown, CE-A (user-side edge device A) and CE-B (user-side edge devi...

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Abstract

This invention relates to a method for realizing heterogeneity based IPv6 network intercommunication. Said method sets IPv6 interface address between PE equipment and said terminal user lateral border on operation provider equipment PE, establishing neighbor finding ND list item, then the ND list item between this terminal and opposite terminal and IPv6 address set by PE equipment interacting message. Said invention realizes neighbor finding without any modifying to ND module and IPv6 message transmission.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a method for realizing interconnection and transmission of IPv6 messages of heterogeneous media. Background technique [0002] Currently, the Internet uses version 4 of the Internet (Internet) Protocol, or IPv4. With the continuous development of the Internet, problems such as the shortage of IPv4 addresses have gradually emerged. For this reason, IETF (Internet Engineering Task Force) decided to adopt a new IP protocol-IPv6 (Internet Protocol Version 6) to solve the address shortage problem in existing networks. In the early stage of IPv6 network deployment, there must be many local pure IPv6 networks. Of course, these IPv6 networks cannot operate independently, but must communicate with each other through the existing IPv4 network to develop more flexible network services. In this way, in the process of gradually transitioning from IPv4 network to IPv6 network, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L12/56H04L29/06H04L45/02
Inventor 范宇胡春哲张立华龚钧
Owner GLOBAL INNOVATION AGGREGATORS LLC
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