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Service stream management method for mobile Internet

A mobile Internet and management method technology, applied in the field of mobile IP protocol management, can solve the problems of not supporting service flow switching and transmission path control, and unable to solve triangular routing, so as to reduce the load of HA, reduce dependence, and shorten end-to-end The effect of end delay

Active Publication Date: 2009-01-07
INST OF COMPUTING TECH CHINESE ACAD OF SCI
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AI Technical Summary

Problems solved by technology

[0018] In order to overcome the problem that the existing mobile IP protocol does not support switching and transmission path control with service flow as the granularity, and cannot solve the problem of triangular routing, the present invention proposes a service flow management method for mobile Internet

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  • Service stream management method for mobile Internet
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Embodiment Construction

[0046] A service flow management method for mobile Internet provided by the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0047] The method proposed by the present invention can be called a distributed, mobile IP-compatible network layer mobile solution (DMIP). In the existing mobile IP architecture, a distributed home-proxy server (Distributed Home-Proxy, DHP) is introduced. In DMIP, DHP is deployed in each sub-domain of the network, that is, DHP is deployed around each CN. DHP is an extended implementation of HA. Multiple independent DHPs (for example, operated by different companies) can be distributed in the same domain. The deployment method is the same as that of HA, which is the deployment method of general routers. In this case, the MN can choose one or more DHPs to serve it according to the situation and needs. Of course, generally only one DHP needs to be selected in a domain, but multiple...

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Abstract

The invention provides a method for managing traffic streams used in mobile internet. Under the precondition that compatible standard moves IP protocol, mobile nodes are permitted to be out of the home proxy and main home address, at the same time, a plurality of distribution-typed home proxy server DHPs and distribution-typed home address DHoAs exist, and the position management in which the traffic stream is taken as granularity and the transmission route control are realized. MN can select DHP for different traffic streams dynamically, the DHP which provides service for each traffic stream is selected near a communication node of the corresponding opposite end, therefore, end-to-end delay in the communication of the mobile node and the communication node of the opposite end is shortened effectively. MN realizes the switching in which the traffic stream is taken as granularity and transmission route control in the process of movement. The introduction of DHP greatly reduces the dependency on HA by MN, thus not only reducing the congestion in home network and HA load, but also reducing the influence on MA by the possible failure and fault on the home network and HA, at the same time, the network domain in which CN is located can monitor and control the traffic streams conveniently.

Description

technical field [0001] The present invention relates to the technical field of mobile IP protocol management, and more specifically, the present invention relates to a service flow management method for mobile Internet. Background technique [0002] Mobile IP is a special IP routing mechanism, which enables mobile nodes to connect to any link with a permanent IP address, and maintain communication continuity during the moving process. Mobile IP currently has two standards, namely Mobile IPv4 (RFC 3344) and Mobile IPv6 (RFC 3775). [0003] Mobile IPv4 [0004] When the mobile node is connected to the home link, that is, when the network prefix of the link is equal to the network prefix of the home address of the mobile node, the mobile node works like a fixed host or a router without any mobile IP function. For a mobile node connected on a foreign link, it can determine its current location through a process called agent search, and obtain a care-of address (CoA) on the for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04L12/56H04L29/06H04W28/10
Inventor 刘敏李忠诚
Owner INST OF COMPUTING TECH CHINESE ACAD OF SCI
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