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Abnormal processing method for mobile node in flexible IP network technology system

An IP network technology and mobile node technology, applied in the field of exception handling of mobile nodes, can solve problems such as no exception handling mechanism, system failure, and increased system burden, so as to ensure a healthy running state, improve efficiency, and facilitate recovery and processing Effect

Inactive Publication Date: 2005-03-02
CHINA IWNCOMM
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Problems solved by technology

[0003] The purpose of the present invention is to provide a mobile node exception handling method in the flexible IP network technology system, which solves the problem that in the background technology, when the mobile node fails during roaming or the network environment is abnormal, there is no corresponding exception handling mechanism, which increases the System burden, even technical problems that lead to system paralysis

Method used

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  • Abnormal processing method for mobile node in flexible IP network technology system

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Embodiment Construction

[0028] The flexible IP network technology system of the present invention is composed of a basic domain management entity, an extended domain management entity, an access management entity, and a mobile node. Enables interactive access to its base network domain.

[0029] The present invention provides flexible IP network technology from six aspects: real-time detection of mobile node 7, registration timeout detection, timeout detection of NAT port maintenance information, NAT port change detection, access management entity 3 restart detection, and basic domain management entity 1 restart detection. System abnormalities are monitored.

[0030] Check the synchronization status in real time through the basic domain management entity 1, the access management entity 3 and the mobile node 7 to detect the abnormality of each functional entity of the flexible IP network technology system; for the timeout processing of registration and maintenance information, timers and counters are ...

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Abstract

A method for processing abnormal to mobile nodes in a flexible IP network is to detect the synchronous state of the basic field management entity, acc entity and mobile nodes to detect the abnormal of the functional entities. A timer and a counter and used to detect the time out process of registration of maintenance information. A unified state mark is maintained for keeping synchronous between the basic and access entities and mobile nodes which detects the abnormal of the system by comparing the states of local and answered feedback. The time out detection to the periodic registration information and NAT port maintenance information is monitored by the timer and counter.

Description

technical field [0001] The present invention relates to a method for handling abnormalities of mobile nodes in a flexible IP network technology system, in particular to a method for self-recovery of mobile nodes when each management entity of the flexible IP network technology system or the network environment in which the flexible IP network technology system operates is abnormal The method of processing. Background technique [0002] Mobile users move to different network environments, and access methods are also various, such as telephone dial-up, ADSL dial-up, or LAN access. In the mobile IP technology, the failure of the mobile node or the abnormality of the network environment during the roaming process cannot be completely avoided, and the existing mobile IP system does not have a corresponding abnormality detection and processing mechanism. Once the mobile IP system fails or is abnormal, the mobile node on the external network will repeatedly try to re-register afte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L29/02
Inventor 李金成章忠威万晓辉
Owner CHINA IWNCOMM
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