A balanced routing method for optical fiber network based on link dynamic load

Abstract

The invention relates to the field of communications, in particular to an optical fiber network balanced routing method based on dynamic load of links, comprising: S1: Divide the network into routing domains according to business requirements, record inter-domain nodes and links of different routing domains, and set Identify and record the inter-domain link weights of the routing domain; S2: Perform routing calculation on the routing domain, and update the link state database; S3: Divide the complete service flow into different intra-domain sections, and mark its service quality requirements; S4 : determine the level of the starting node of the power service; S5: update the routing table information between different routing domains, and perform segment routing for different types of services; S6: expand the segment of the service flow in the corresponding routing domain; S7: determine the service Terminate the address of the entry node of the routing domain to complete hierarchical route selection; S8: Merge the service routing segments in each routing domain to form a complete explicit route.

Description

Technical field [0001] The invention relates to the field of communication technology, in particular to an optical fiber network balanced routing method based on link dynamic load. Background technique [0002] As the scale of the underlying bearer network of power communication increases, unified planar management is no longer applicable, and a layered approach is needed to calculate routing. Otherwise, it will bring greater computational burden to centralized computing nodes. In each hierarchical routing domain, independent routing calculations are mostly used to determine the service path. However, between different routing domains, in order to reduce the communication overhead of the system, the topology and resource information within each routing domain are not disclosed to the outside, so centralized and unified routing optimization cannot be adopted. Although hierarchical routing can reduce the operating cost of the system compared to a flat network, the information det...

AI Technical Summary

Problems solved by technology

However, in the power communication network, there is a special problem. The established service connection is often not like the operator, there is a large number of service flows, and many established dedicated service channels only have a small amount of data. The bandwidth resources actually used by some service channels are not in the same order of magnitude as the reserved resources, which leads to a very serious bandwidth consumption of the power integrated data network

This problem mainly occurs in the difference between the statistical bandwidth and the reserved bandwidth

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