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Link switching method and device

A link switching and link technology, which is applied in the field of communication, can solve problems such as main link failure, data packet loss, and unstable state of the main link, and achieve the effect of increasing stability and reliability and reducing loss

Active Publication Date: 2019-05-03
ZTE CORP
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Problems solved by technology

[0015] The present invention provides a link switching method and device to at least solve the problems caused by the unstable state of the main link in the process of eliminating the failure of the main link and switching from the standby link to the main link in the related art. The problem of a large number of data packets being lost or disconnected

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Embodiment Construction

[0037] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0038] image 3 is a flowchart of a link switching method according to an embodiment of the present invention. Such as image 3 As shown, the method mainly includes the following processing:

[0039] Step S302: Obtain the current state information of the outer tunnel when the failure of the main link is eliminated;

[0040] Step S304: Determine the link switching operation to be performed according to the current state information of the outer tunnel.

[0041] In related technologies, during the process of eliminating the failure of the primary link and switching from the standby link to the primary link, a large number of data packets are lost or cut off due to the unstable state of the primary li...

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Abstract

The invention provides a link switching method and a device. The link switching method comprises the following steps of: obtaining current state information of an outer layer tunnel when faults of a main link are removed; and determining link switching operation to be carried out according to the current state information of the outer layer tunnel. According to the technical scheme provided by the invention, the loss rate of data packages is reduced, and the stability and the reliability of network transmission are increased in the process of switching a spare link to the main link when the faults of the main link are removed under a complex networking condition.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a link switching method and device. Background technique [0002] Today, with the rapid development of the network, in order to meet the general trend of the integration of the telecommunications network, the radio and television network, and the Internet, operators attach great importance to the service convergence speed when the network fails. When any node fails, the adjacent node business The switching time is less than 50ms, and the end-to-end service convergence time is less than 1s, which has gradually become the threshold index of the bearer network. In order to meet the above requirements, some related fast rerouting (FastReRoute, referred to as FRR) technologies for solving different fault points have emerged at the historic moment, such as: Internet Protocol Fast Rerouting (IP FRR), Label Distribution Protocol Fast Rerouting ( LDP FRR), Multiprotocol Label Switching...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L12/70
Inventor 叶勇李石法李金章家栋杨学成袁俊
Owner ZTE CORP
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