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Multi-protocol layer interpretation method for constructing hybrid network of internet protocol version four and version six

An Internet protocol, multi-protocol layer technology, applied in the direction of data exchange network, digital transmission system, electrical components, etc., to achieve the effect of simple application and low cost

Inactive Publication Date: 2008-12-03
NANJING UNIV OF POSTS & TELECOMM
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  • Abstract
  • Description
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Problems solved by technology

[0015] Technical problem: the purpose of this invention is to provide a kind of multi-protocol layer translation method of constructing Internet protocol version 4 and 6 mixed network, mainly solve the technical problem of the communication between IPv4 and IPv6 network

Method used

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  • Multi-protocol layer interpretation method for constructing hybrid network of internet protocol version four and version six
  • Multi-protocol layer interpretation method for constructing hybrid network of internet protocol version four and version six
  • Multi-protocol layer interpretation method for constructing hybrid network of internet protocol version four and version six

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Experimental program
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Embodiment Construction

[0053] 1. Design of address / port translation module (APT)

[0054] 1. APT function design

[0055] When a host needs to communicate with the outside world, the multi-protocol layer translation technology MPLT intermediate proxy server must temporarily assign a global address that can be recognized by the outside to the host. If more than one internal node needs to communicate with the external at the same time and there is only one global address, each independent connection is temporarily assigned a unique address / port binding so that these internal nodes can share a global address. address. For example, in order to communicate with the IPv4 external network, an IPv6 LAN is usually assigned some IPv6 addresses that can be mapped to valid IPv4 addresses (but the number of hosts that need to communicate with the external network is often much greater than the number of available addresses). The way APT solves this problem is to make multiple hosts in the IPv6 LAN share an IPv...

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Abstract

The invention discloses a multiple protocol layer translation method for establishing a hybrid network of Internet protocol versions 4 and 6 to solve the communication problem of the transition of the Internet towards an IPV6 network, which can effectively reduce capital input, improve information transmission efficiency, realize seamless exchange visits and smooth transition and establish the multiple protocol layer translation technique of the hybrid network. The MPLT technique consists of three basic constituent parts, namely, an address / port translation and conversion module at the lowest layer, protocol translation and conversion modules PT64 and PT46 at the middle layer, and an translation module of an application layer at the top layer, and through applying the multiple protocol layer translation technique MPLT in a proxy server that connects two types of networks, IPv4 and IPv6 and under the condition of not changing the original network topology, the three big problems of the network interconnection of different internetwork protocols are solved skillfully. The technique is characterized by fulfillment by layering, adding the flexibility and adjustability of a system through decomposing the function of translating two different network protocol data packets to various layers, and carrying out address / port conversion, protocol conversion and application layer conversion separately to extend flexibility.

Description

technical field [0001] Adopting the method of building a mixed network based on IPV4 and IPV6 to solve the communication problem of the current transition from the Internet to the IPV6 network can effectively reduce the investment capital, improve the efficiency of information transmission, and realize seamless mutual access and smooth transition, which belongs to the field of network transition technology. Background technique [0002] Internet Protocol version 4 and 6 hybrid network [0003] With the rapid development of the Internet, the number of network devices connected to the Internet and the applications running on them has increased dramatically, which has brought about problems such as the rapid exhaustion of IP addresses and the expansion of routing tables, and the expansion of the range of IP addresses is also imminent. Aiming at the problem of IP address, IETF (Internet Engineering Task Force) proposed a new generation of Internet protocol - IPv6 protocol (IPv6 ...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L29/12H04L12/56H04L45/52H04L45/741
Inventor 孙知信黄炜
Owner NANJING UNIV OF POSTS & TELECOMM
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