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Method and apparatus for dynamically allocating IPv4 public address through an IPv6 Internet

A public address and dynamic allocation technology, applied in the field of communication, can solve the problems of low utilization rate of IPv4 public address resources, affecting the interconnection between IPv4 network and IPv6 network, and achieve the effect of improving utilization rate and ensuring interconnection

Active Publication Date: 2018-06-19
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the future, IPv6 and IPv4 will coexist for a long time. In order to make IPv6 compatible with IPv4, that is, to realize the interconnection between IPv6 network and IPv4 network, IPv4 public addresses are needed, and IPv4 public addresses are extremely scarce resources. , the existing technology has a low utilization rate of IPv4 public address resources, thus affecting the interconnection between IPv4 network and IPv6 network

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  • Method and apparatus for dynamically allocating IPv4 public address through an IPv6 Internet
  • Method and apparatus for dynamically allocating IPv4 public address through an IPv6 Internet
  • Method and apparatus for dynamically allocating IPv4 public address through an IPv6 Internet

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Embodiment Construction

[0032] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0033] figure 1 It is a schematic flow diagram of a method for dynamically assigning IPv4 public addresses through the IPv6 Internet in an embodiment of the present invention, as figure 1 As shown, the method for dynamically assigning an IPv4 public address through the IPv6 Internet provided by the embodiment of the present invention includes the...

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Abstract

The embodiment of the invention provides a method and apparatus for dynamically allocating an IPv4 public address through an IPv6 Internet. The method comprises the following steps: receiving a request of obtaining the IPv4 public address sent by a user terminal, wherein the request carries a user identifier and a time period of the user to use the IPv4 public address; if an unallocated IPv4 public address resource exists, extracting a target IPv4 public address from the IPv4 public address resource, and generating a target address carrying an IPv6 prefix mark; allocating the target address tothe user terminal corresponding to the user identifier, starting the timing, and when the timing time length is within the time period, accessing, by the user terminal, the IPv4 network via the IPv6network according to the target address. The device performs the above method. By adoption of the method and apparatus for dynamically allocating the IPv4 public address through the IPv6 Internet provided in the embodiment of the invention, the utilization rate of the IPv4 public address resource can be improved, thereby ensuring the interconnection and intercommunication of the IPv4 network and the IPv6 network in the transitional phase.

Description

technical field [0001] The embodiment of the present invention relates to the field of communication technology, and in particular to a method and device for dynamically allocating IPv4 public addresses through the IPv6 Internet. Background technique [0002] With the rapid development of Internet technology, the number of global IPv4 users has also increased sharply, which also highlights a series of serious problems of IPv4, including insufficient address space and routing scalability issues. [0003] The IPv6 protocol is the next-generation Internet protocol and is used to replace IPv4. IPv6 has a huge address space (2^128), hierarchical addressing and routing mechanisms, better security and mobility support and other features. However, in the future, IPv6 and IPv4 will coexist for a long time. In order to make IPv6 compatible with IPv4, that is, to realize the interconnection between IPv6 network and IPv4 network, IPv4 public addresses are needed, and IPv4 public addres...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12
CPCH04L61/5007H04L2101/686
Inventor 包丛笑李星
Owner TSINGHUA UNIV
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