Method for optimizing transmission quality of optical network based on physical damnification information

Abstract

The invention provides a transmission quality optimization method in an optical network on the basis of physical damage information. The method introduces an adjustable optical device into the transmission plane of an optical transmission network and extends the functions of a route module in an optical transmission network control plane, thus completing the sensing on the state information of the adjustable optical information at the bottom layer and the evaluation on the transmission quality at the bottom layer; meanwhile, the route module combines the gained state information with the gained evaluation results to calculate the adjusting quality of the adjustable optical device, and sends the adjusting quantity to all nodes by the signal module of the control plane; all nodes completes the adjustment of the adjustable optical device according to the adjusting quantity, thus optimizing the transmission quality. The method can optimize the transmission quality of optical signals in the optical network at low cost.

Description

technical field [0001] The invention relates to the technical field of optical networks, in particular to a transmission quality optimization method based on physical damage information in an optical network. Background technique [0002] The intelligent optical network represented by Automatically Switched Optical Networks (ASON) separates the control plane from the network management system, introduces some automatic control functions to the optical network, and realizes automatic connection management. It's no better improvement on the transport plane. At present, the intelligent optical network cannot intelligently monitor, control and adjust the transmission plane, so it cannot provide a solid foundation for the automatic disassembly and construction of the upper layer connection and multi-service transmission. [0003] At the same time, in order to increase the flexibility and scalability of the optical network, reduce the overhead and delay caused by the optical-to-o...

AI Technical Summary

Problems solved by technology

But for adaptive optical devices, each adaptive optical device needs to have detection, feedback, and adjustment functions, and the realization of these functions requires hardware devices with various related functional modules, which greatly increases the cost of adaptive compensation devices

At the same time, adaptive optical devices only exist in some nodes in the network, so the feedback adjustment of adaptive devices is only adjusted for a part of the links in the connection to improve the transmission quality of local links. This improvement in local transmission quality may not necessarily Can meet the transmission quality requirements of the entire connection

In addition, this kind of transmission quality optimization based on the transmission plane has not been combined with the control plane, and there is blindness in compensation

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