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Method of implementing home agent root key synchronization between home agent and foreign agent

A technology of home agent and foreign agent, applied in the field of microwave access global interoperability communication, can solve the problem that the WiMAX network working group protocol does not solve the problem of HA-RK synchronization, etc.

Inactive Publication Date: 2012-03-07
NANTONG WELL ELECTRIC MOTOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] At present, the synchronization problem of HA-RK in FA and HA has not been solved in the WiMAX network working group agreement, and there is no related patent to provide a solution

Method used

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  • Method of implementing home agent root key synchronization between home agent and foreign agent
  • Method of implementing home agent root key synchronization between home agent and foreign agent
  • Method of implementing home agent root key synchronization between home agent and foreign agent

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Embodiment Construction

[0051] The implementation of the technical solution will be further described in detail below in conjunction with the accompanying drawings.

[0052] The invention relates to a method for realizing the synchronization of the root key of the home agent between the home agent and the foreign agent. Especially when it comes to mobile IPv4 access in the Worldwide Interoperability for Microwave Access (WiMAX) communication field, the Authentication, Authorization, and Accounting (AAA) server generates the home agent root key (Home Agent Root Key, HA-RK for short) and a method for pushing the home agent root key to the home agent (Home Agent, HA for short) and the foreign agent (Foreign Agent, FA for short) where the terminal is registered.

[0053] Described method comprises the steps:

[0054] (1) The authentication, authorization and billing server of the home network returns the mobile IP key information and key information of the mobile node in the authorization information wh...

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PUM

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Abstract

The present invention relates to a WiMAX system, which discloses a method of realizing the root key synchronization of the home agent between a home agent and a foreign agent, describes the synchronization mechanism of the root key of the home agent, and provides a synchronization proposal of the home agent root key HA-RK in the foreign agent and the home agent used in the mobile IPv4 authentication expansion. The synchronization proposal is generated by the authentication, authorization and accounting service of the home network, which pushes the home agent root key to the relative network element. The present invention solves the problem that as the HA-RKs possessed by the foreign agent and the home agent are not consistent in some conditions, so the authentication expansion of the foreign agent-home agent FA-HA is not permitted, causing a failing register of the mobile IP.

Description

technical field [0001] The present invention relates to the field of Worldwide Interoperability for Microwave Access (WiMAX for short) communication, in particular to a method for realizing the synchronization of home agent root key between home agent and foreign agent in WiMAX system. Background technique [0002] The network working group of IETF proposed the RFC2002 standard in October 1996, which explained the principle, implementation and various details of mobile IP in more detail. In 2003, IETF promulgated the new specification RFC3344 of mobile IPv4, replacing the RFC2002 standard. To put it simply, mobile IP is to enable mobile nodes not to disconnect while moving, and to send and receive data packets correctly. [0003] In the mobile IPv4 protocol, each mobile node (Mobile Node, MN for short) has a unique home address, and its home address remains unchanged when the mobile node (MN) moves. Each mobile node on the home network link must also have a home agent (HA,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W12/04H04W12/06H04L29/06H04W12/0431H04W56/00
Inventor 朱戈
Owner NANTONG WELL ELECTRIC MOTOR