Multi-ring protection configuration method and system for ptn ring network protection

Abstract

The invention discloses a multi-ring protection configuration method and system for PTN ring network protection, and relates to the field of PTN ring network protection. The method includes the following steps: adding an intersecting ring configuration with a corresponding entry in each ring of the intersecting ring relationship, the configuration is a sub-configuration of the overall configuration of the ring, and each configuration includes: an intersecting ring KEY value, an intersecting node ID, Intersecting ring label group; when an LSP is bound to more than three rings, configure three binding ring KEY values ​​for each LSP binding ring: the KEY value of the uplink ring, the KEY value of the local ring, and the KEY value of the downlink ring. A global index value configured. The uplink is the ring that the LSP passed before entering the local ring, the local ring is the current ring, and the downlink is the ring that the LSP continues to bind to after leaving the local ring. The invention can realize ring network protection in the complicated scene where LSP is bound with more than three rings.

Description

technical field [0001] The invention relates to the field of PTN ring network protection, in particular to a multi-ring protection configuration method and system for PTN ring network protection. Background technique [0002] With the continuous evolution of the Internet era, network coverage is rapidly expanding, and network bandwidth is also increasing. People are increasingly dependent on the network. Network reliability plays an increasingly critical role in improving user experience. [0003] In the early stage when the network structure was single and the traffic volume was not large, the linear protection of the smallest unit could meet the basic requirements of network reliability, and the need to introduce different types of protection at different levels was not so urgent. With the continuous increase of business volume, considering the layered processing of linear protection, the same type of business of the same path is packaged together for protection switching,...

AI Technical Summary

Problems solved by technology

However, the simple single-ring and double-ring topologies still have certain limitations in actual networking, which is also one of the bottlenecks affecting the large-scale deployment of ring networks

When the service path is long and the topology of the existing network is complex, a service may pass through three or more rings. At this time, the simple single-ring and dual-ring Splitting the topology into several single-ring and double-ring combinations also increases the complexity of configuration planning in the early stage and problem location in the later stage to a certain extent.

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