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Flow interaction optimization method for defining IPv6 transition based on software

A technology of software definition and optimization method, which is applied in the Internet field, can solve the problems of controller processing flow transition technology design, rule hit rate can not be substantially improved, etc., to solve the bottleneck of controller flow interaction, reduce probability, and improve processing speed Effect

Active Publication Date: 2017-05-31
TSINGHUA UNIV
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AI Technical Summary

Problems solved by technology

[0006] 1. The way the controller handles the flow is not designed for the characteristics of the transition technology
[0007] 2. The switch is relatively independent. In the case of relatively limited storage space for its rules, the rule hit rate cannot be substantially improved.

Method used

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  • Flow interaction optimization method for defining IPv6 transition based on software
  • Flow interaction optimization method for defining IPv6 transition based on software
  • Flow interaction optimization method for defining IPv6 transition based on software

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Embodiment Construction

[0026] The implementation of the present invention will be described in detail below in conjunction with the drawings and examples.

[0027] The present invention is a flow interaction optimization method based on software-defined IPv6 transition, including control plane flow transfer and data plane flow transfer, wherein:

[0028] 1. Control plane flow transfer

[0029] In software-defined IPv6 transition scenarios, switches and controllers need to interact frequently, and the global controller can easily reach the upper limit of flow processing, resulting in flow processing bottlenecks. At the same time, there are a large number of private hosts in the transition mechanism, which is not conducive to the controller to grasp the global network topology. In order to ensure that the host is controllable and at the same time load balanced, the present invention proposes to use a local controller to solve the above problems.

[0030] The software-defined design concept requires ...

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Abstract

The invention discloses an optimization method for defining flow interaction in an IPv6 transition scenario based on software. The method comprises two aspects of control plane flow transfer and data plane flow transfer. According to the flow optimization method provided by the invention, a flow interaction load can be effectively reduced, and the forwarding efficiency of the conventional transition technology is obviously improved, so that sustainable development of the IPv6 transition technology is promoted; the method disclosed by the invention is applicable to major transition technologies comprising DS-Lite, Public 4over6, Lightweight 4over6, MAP-E, NAT64 and the like.

Description

technical field [0001] The invention belongs to the technical field of the Internet, in particular to a flow interaction optimization method based on software-defined IPv6 transition. Background technique [0002] With the rapid development of the Internet, IPv4 address resources have been exhausted, and the global IPv4 address space has been allocated in February 2011. IPv6 has become an effective solution to completely solve the shortage of address space. Due to the incompatibility between IPv6 and IPv4, how to smoothly transition from IPv4 to IPv6 has become the focus of both academic and industrial circles. [0003] Currently, popular IPv6 transition technologies include DS-Lite, Public 4over6, Lightweight 4over6, MAP-E, NAT64, etc. The use scenarios of each transition mechanism are inconsistent, the compilation methods are not uniform, and the flow granularity is greatly different, which leads to the inability to flexibly deploy transition technologies and the poor ver...

Claims

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Application Information

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IPC IPC(8): H04L12/803H04L12/813H04L12/931H04L47/20
CPCH04L47/125H04L47/20H04L49/503
Inventor 崔勇张朝昆李天翔
Owner TSINGHUA UNIV
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