Method and device for controlling service switchback

Abstract

The embodiment of the present invention discloses a method and device for controlling service switching back, which relate to the field of communication technology, and can solve the problem of delaying the lighting time of the set port or delaying the publishing time of the route in the layered network, and sub-service segments The recovery time of 1 and sub-service segment 2 is inconsistent, resulting in the problem that the service cannot be switched back in time or the service will be interrupted when the switch is switched back. The method of the present invention includes: monitoring the state of the sub-service section, the sub-service section is a sub-service section connected to a faulty node, the state of the sub-service section includes a recovery state, and the recovery state is the failure of the sub-service section The state after recovery; when the states of the sub-service segments are all in the recovery state, execute the process of switching back the business. The present invention is applicable to head-end nodes in hierarchical networking.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and device for controlling service switchback. Background technique [0002] At present, some IP / MPLS (Internet Protocol / Multi-Protocol Label Switching, protocol / multi-protocol label switching between networks) networks adopt a hierarchical networking method, and routes between different layers of networks are isolated, and the lower layer network only knows Default gateway route, the default gateway is usually an interlayer device node. Such as figure 1 As shown in the figure, it is a layered network architecture diagram, which is divided into three layers. PE (Provider Edge, router is an operator's edge router) 1 is the head-end node, PE2 is an interlayer device node, and the service path from PE1 to PE6 can be divided into The active path and the backup path. The active path is the link from PE1 to PE6 through PE2 and PE4; the other links are the back...

AI Technical Summary

Problems solved by technology

[0004] Embodiments of the present invention provide a method and device for controlling service switchback, which can solve the problem of service failure due to the inconsistency between the set port delay lighting time or route delay release time, and the recovery time of sub-service section 1 and sub-service section 2. Failure to switch back in time or business interruption when switching back

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