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Adaptive traffic stream switching method for communication network system and corresponding server

A communication network and business flow technology, applied in the field of business flow distribution, can solve the problems of inability to enjoy business flow switching services, difficult business flow allocation network interfaces, etc., and achieve the effect of small extra overhead and improved work quality.

Active Publication Date: 2011-05-04
INST OF COMPUTING TECH CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Both of the above two patents are intelligent handover decision algorithms that involve handover decisions based on various factors such as the characteristics of different types of service flows, current link conditions, and other user needs. Therefore, it is difficult to reasonably allocate service flows to different network interfaces of terminals. superior
[0006] In addition, the above stream switching technologies only support mobile scenarios, and multi-interface terminals in non-mobile scenarios cannot enjoy the service of business stream switching

Method used

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  • Adaptive traffic stream switching method for communication network system and corresponding server
  • Adaptive traffic stream switching method for communication network system and corresponding server
  • Adaptive traffic stream switching method for communication network system and corresponding server

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054]According to Embodiment 1 of the present invention, a method for adaptive service flow switching is provided, and its process refers to figure 1 , including the following steps:

[0055] In step S100, the service flow switching management server updates the service flow management table at a certain period. The service flow switching management server analyzes the user information and current link status for each multi-interface terminal in combination with the service flow management table, that is, the service flow switching management server periodically obtains the current user information and current link status of each multi-interface terminal. road condition.

[0056] The format of the above service flow management table entry is shown in Table 1:

[0057] Table 1

[0058] source address

Destination address

source port number

destination port number

business flow type

priority

tunnel index number

[0059] The service flo...

Embodiment 2

[0127] According to Embodiment 2 of the present invention, another adaptive service flow switching method is provided, and the adaptive service flow switching solution works in a non-mobile scene.

[0128] Such as figure 2 As shown, in the non-mobile scenario of this embodiment, there are three nodes in the home domain, namely node 1, node 2, and node 3, respectively representing three types of multi-interface terminals: node 1 represents all interface All are wireless multi-interface terminals; node 2 represents a multi-interface terminal that has both wireless interfaces and wired interfaces; node 3 represents a multi-interface terminal that all interfaces are wired.

[0129] After the terminal connects to the home domain, it initiates registration with the service flow switching management server. The format of the registration message is shown in Table 4:

[0130] Table 4

[0131] binding address

temporary address

Interface Type

interface status

...

Embodiment 3

[0149] According to Embodiment 3 of the present invention, another adaptive service flow switching method is provided, and the adaptive service flow switching solution works in a mobile scene.

[0150] Such as image 3 As shown, the service flow switching method of this embodiment can work in various mobile scenarios, such as Mobile IPv6 (RFC 3775), Mobile IPv4 (RFC 3344), Proxy Mobile IPv6 (RFC 5213) and related extended mobility management protocols. Deploy according to different mobile scenarios. For example, for mobile IPv6, the corresponding unit of the service flow switching management server can be deployed in the HA (Home Agent), and the corresponding unit of the multi-interface terminal can be deployed in the MN (Mobile Node).

[0151] image 3 , the node 1, node 2, and node 3 shown respectively represent three types of multi-interface terminals: node 1 represents a multi-interface terminal with all interfaces wireless; node 2 represents both wireless interfaces and ...

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Abstract

The invention provides an adaptive traffic stream switching method. For each multi-interface terminal, the method comprises the following steps that: 1) a traffic stream switching management server periodically acquires current user information and current link state of the multi-interface terminal; 2) the traffic stream switching management server establishes judgment matrixes respectively on the basis of an analytic hierarchy process, and calculates the comprehensive satisfaction of all the interfaces of the multi-interface terminal; 3) all the traffic streams are ranged into a preswitched queue from high to low according to traffic priority, and all the interfaces are ranged into an interface queue from high to low according to the comprehensive satisfaction of the interfaces; 4) mapping of all the traffic streams and all the interfaces are established to form a matching relation; and 5) traffic stream switching is preformed according to the matching relation. By the method, the communication performance of all current network interfaces can be accurately responded, the cost of user sides cannot be obviously increased, and the requirements of users are fully considered when thequality of service (QOS) of all the traffic streams is guaranteed. In the method, mobile scenes are supported, and non-mobile scenes are also supported.

Description

technical field [0001] The present invention relates to the technical field of service flow distribution, in particular, the present invention relates to an adaptive service flow switching method for a communication network system and a corresponding service flow switching management server. Background technique [0002] The next-generation communication network will be an all-IP network that integrates multiple access methods. The mixed and heterogeneous characteristics of this network provide broad prospects for the application of multi-interface terminals. The multi-interface terminal integrates multiple interfaces, and can simultaneously use multiple wired resources and wireless resources for service flow transmission. In the 3G or even post-3G era, multiple systems coexist. TD-SCDMA, WCDMA, CDMA2000, LTE, etc. may exist in the network of one or more operators at the same time, and multi-interface terminals that support multiple systems at the same time are also constant...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/16H04W36/12
Inventor 张杨杨王煜炜刘敏聂辉平
Owner INST OF COMPUTING TECH CHINESE ACAD OF SCI
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