System and method for mobility management under separate mapping mechanism

A mapping mechanism and management system technology, applied in the field of mobility management systems under the separation mapping mechanism, can solve the problems of not considering the separation mechanism of data forwarding and control signaling management functions, and the complexity of the HIP protocol, so as to eliminate performance bottlenecks and reduce The effect of increased host load and scalability

Inactive Publication Date: 2011-11-23
BEIJING JIAOTONG UNIV
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Problems solved by technology

The paper introduces the HIP structure. The HIP protocol itself is relatively complicated and requires the host to install the HIP protocol.
The draft uses LISP to provide global mobility for PMIPv6, but the LISP protocol uses encapsulation in the core network to process data packets from users, and does not consider the separation mechanism of data forwarding and control signaling management functions

Method used

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  • System and method for mobility management under separate mapping mechanism
  • System and method for mobility management under separate mapping mechanism
  • System and method for mobility management under separate mapping mechanism

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Embodiment Construction

[0054] The separation mechanism network of the present invention is divided into access network and core network. The present invention adopts an improved PMIPv6 protocol in the access network, and defines three new functional entities: access gateway AGW, control gateway CGW and data gateway DGW. Each access network is a PMIPv6 domain. The LMA in the original PMIPv6 is functionally decomposed into two parts: CGW is responsible for processing control signaling, and DGW is responsible for forwarding user data. The MAG function in the original PMIPv6 is implemented by the AGW instead. The present invention adopts a separate mapping mechanism between the access network and the core network, and the DGW realizes the separate mapping function between the access network and the core network. The following will focus on introducing the technical details of the present invention from three aspects: separation of mapping relationship, functional entity and newly defined mobile messag...

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Abstract

The invention relates to a system and a method for mobility management under a separate mapping mechanism. A proxy mobile Internet protocol version 6 (PMIPv6) and the separate mapping mechanism are combined. In an access network of a separate mapping network, the PMIPv6 is greatly improved by the scheme, and three functions comprising an access gateway, a control gateway and a data gateway are designed, thereby realizing the separation of data forwarding and control signaling and the separation of a host identifier and a host position. The separation of the access network and a core network is realized in combination with the separate mapping mechanism.

Description

technical field [0001] The invention relates to the mobility management problem of the network, in particular to a mobility management system and method under a separation mapping mechanism. Background technique [0002] In the early Internet, communication nodes were often large hosts that were fixed and could not be moved. This led to the fact that IP addresses were endowed with dual semantics when designing the traditional Internet architecture. IP addresses are both identifiers of host identities. At the same time, it is a locator indicating the location of the host network topology. [0003] Mobile IPv6 (Mobile IPv6, MIPv6) is relatively common at present, and is also the most discussed Internet mobility management solution. Its original design intention is to provide mobile support for hosts without changing the existing network structure. This feature of not changing the network structure makes MIPv6 require hosts to participate in mobility management, MIPv6 and its...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W8/08H04W8/26H04W76/02
Inventor 周华春易李洪毅清任飞张宏科
Owner BEIJING JIAOTONG UNIV
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