Method and system for processing three-layer switch

A processing method and a processing system technology, applied in the field of communication methods and systems thereof, can solve problems affecting quality of service and network performance, failure to complete L3 handover, QOS deterioration, etc., to reduce wireless air interface traffic, improve network performance and service Quality, the effect of reducing interruption delay

Inactive Publication Date: 2008-02-06
HUAWEI TECH CO LTD
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Problems solved by technology

Such a long delay leads to a sharp deterioration of service QoS, seriously affecting service quality and network performance
[0013] In addition, in the wireless network, in order to ensure the quality of service, it is sometimes required that during the handover process, when the new communication parties have not completed the communication establishment, the old communication link should not be removed, because the original service node is always in reach during this process. state, so step 105 may never be completed, that is, the L3 switchover may not be completed

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  • Method and system for processing three-layer switch
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  • Method and system for processing three-layer switch

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Embodiment Construction

[0048] The basic principle of the present invention is: in a communication system such as a mobile communication system, in order to effectively utilize wireless resources and improve network performance, the network side generally acts as a controller, and the network side controls the communication process and the behavior of most terminals in the network . Generally speaking, the network side can determine whether the terminal communicating with it needs to undergo L3 handover or whether L3 handover is taking place. With this feature, the network side can proactively notify the terminal that an L3 handover has occurred, without the terminal checking whether the new IP address is available or whether the original service node is reachable through a timeout method such as DAD. In addition, the switching of network side control can realize the transfer of context information about terminals and links between the original service node and the target service node. Using this inf...

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Abstract

The present invention provides a processing method of the layer-three switching and the system, including the steps as follows: gaining the information at the network side which generates at the terminal or needs generating the layer-three switching; informing the terminal generate or need generating layer-three switching; gaining a new IP address of the service network. The present invention can shorten the time delay of the L3 switching, reduce the wireless hollow flow rate and accelerates the process of terminal finding the L3 switching, remarkably shortening the break time delay of the services and comparatively improving the network performance and service life in a large scale.

Description

technical field [0001] The present invention relates to a communication method and its system, in particular to a layer-3 handover processing method and its system. Background technique [0002] In response to the rapidly increasing demand for IP addresses due to the rapid development of mobile and broadband technologies, the IETF proposed the next-generation Internet protocol, IPv6, in the 1990s. The most essential improvement of IPv6 is to increase the address length of the original IPv4 from 32 bits to 128 bits, thereby bringing almost unlimited IP address space. In addition, IPv6 also adopts many technologies such as the stateless automatic configuration of the host address. [0003] Mobile IPv6 includes three functional entities: mobile node (MN, Mobile Node, or terminal), home agent (HA, Home Agent) and related node (CN, Correspondent Node). During the terminal's mobility IPv6 access process, the mobile node MN in the foreign network has a home address (HoA, Home Add...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04Q7/38
CPCH04L12/66
Inventor 谢勇梁文亮
Owner HUAWEI TECH CO LTD
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