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A network transition accessing method

A network and access server technology, applied in the field of communications, can solve the problems of complex configuration and high deployment cost, and achieve the effect of simplifying configuration, saving costs, and facilitating deployment

Active Publication Date: 2009-11-25
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0027] The technical problem to be solved by the present invention is: to overcome the shortcomings of the existing transition mechanism that the client needs a special dual-stack host, and the configuration is complicated, and the deployment cost is high, to provide a method for IPV6 transition access, to simplify the configuration of the dual-stack host, This simplifies the requirements for clients and facilitates the deployment of IPv6

Method used

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  • A network transition accessing method
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Embodiment Construction

[0048] Below according to accompanying drawing and embodiment the present invention will be described in further detail:

[0049] The invention simplifies the relationship between the dual-stack host and the router (NAS) or broadband access server (BAS), moves complex tunnel encapsulation / decapsulation to the router (NAS) or broadband access server (BAS), and reduces deployment costs , to achieve complete and real access to IPv4 and IPv6 for dual-stack hosts. The invention cancels the tunnel technology between the router and the dual-stack host of the client, reserves the tunnel technology between the routers, and performs tunnel encapsulation and decapsulation through the router. Tunnels are implemented between routers through configuration or other automatic methods. Since the configuration of routers is managed by professionals, complex configurations can be performed. This simplifies complex configuration and requirements for dual-stack hosts.

[0050] Such as Figure 5...

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Abstract

A network transition access method, the client host uses the shared link of the IPv4 network to directly communicate with the access server through the IPv6 message, and sends the IPv6 message to the access server; the access server selects a tunnel according to the destination IPv6 address , after encapsulating the IPV6 message, use the IPV4 network to forward it; the peer tunnel server decapsulates the encapsulated message after receiving it, and sends the decapsulated IPV6 message to the destination node. The present invention solves the complex configuration problem between the existing dual-stack host and the access server, avoids the dual-stack host from performing complicated tunnel encapsulation / decapsulation operations directly, and the access server manages the tunnel information, so it is not necessary to modify all tunnel configurations after the tunnel configuration changes. The configuration of the dual-stack host saves costs, reduces the workload of configuring and modifying the dual-stack host, and facilitates the deployment of IPV6.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method for network transition access of Internet Protocol Version 6 (IPV6). Background technique [0002] IPv6 (Internet Protocol Version 6) is in the process of development and perfection. It will replace Ipv4 (Internet Protocol Version 4), which is widely used in the Internet. IPv6 is not compatible with IPv4, and IPv4 has been adopted Widely used, so the transition from IPv4 to IPv6 will be a long-term process. In the initial stage of the transition from IPv4 to IPv6, network nodes supporting IPv6 are like isolated islands in the ocean, unable to communicate with each other using IPv6. Using tunneling technology, IPv6 nodes can use IPv4-based networks to transmit IPv6 packets for communication. [0003] Such as figure 1 Shown is a schematic diagram of the IPV6 data packet tunnel encapsulation format. The tunnel technology generally re-encapsulates the packet in ano...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/28H04L12/24
Inventor 罗汉军
Owner HUAWEI TECH CO LTD