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Routing distribution method and device

A routing and to-be-distributed technology, applied in the communication field, can solve problems such as no unified evaluation standard, different evaluation methods, and reduced accuracy of evaluation results

Active Publication Date: 2021-04-30
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Claims
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Problems solved by technology

However, the existing route allocation method is mainly based on the evaluation of one or more individual characteristics of the above-mentioned service characteristics, and the evaluation results of the individual characteristics based on it cannot accurately reflect the distribution of physical routes based on the routing allocation set. The overall performance of the ROADM network
In addition, different evaluation subjects have different emphases in selecting business features for evaluation, and the evaluation methods for the same business feature are also different, and there is no unified evaluation standard, which further reduces the accuracy of evaluation results

Method used

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Embodiment Construction

[0020] The route allocation method and device provided by the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0021] The term "and / or" in this article is just an association relationship describing associated objects, which means that there can be three relationships, for example, A and / or B can mean: A exists alone, A and B exist simultaneously, and there exists alone B these three situations.

[0022] The terms "first" and "second" in the specification and drawings of the present application are used to distinguish different objects, or to distinguish different processes for the same object, rather than to describe a specific sequence of objects.

[0023] In addition, the terms "including" and "having" mentioned in the description of the present application and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a ser...

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Abstract

The present application provides a route distribution method and device, which relate to the communication field and can improve the accuracy and efficiency of route evaluation and distribution in ROADM networks, thereby improving the service transmission efficiency of ROADM networks. The method includes: obtaining service characteristics of at least two groups of route sets to be evaluated in the ROADM network of a reconfigurable optical add-drop multiplexer; wherein, the route sets to be evaluated include at least two physical routes corresponding to services one by one, and the service features include The number of services, the number of relay optical conversion units OTUs, the total distance of services, the total optical signal-to-noise ratio OSNR and the total number of hops of services; according to the characteristics of the services, calculate the service quality factor of each set of routes to be evaluated; according to at least two groups The comparison result of the service quality factor of the route set to be evaluated determines the route set to be allocated; wherein, the route set to be allocated is used to allocate physical routes for services in the ROADM network.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a method and device for routing assignment. Background technique [0002] Compared with the point-to-point wavelength division multiplexing (Wavelength Division Multiplexing, WDM) network (hereinafter referred to as FOADM network) using fixed optical add-drop multiplexer (Fixed Optical Add-Drop Multiplexer, FOADM), the use of reconfigurable optical add-drop multiplexer Reconfigurable Optical Add-Drop Multiplexer (ROADM) mesh (MESH) WDM network (hereinafter referred to as ROADM network) can provide a larger number of physical routes that can be flexibly allocated between different services, and has a larger system Capacity, business scheduling flexibility, and upgrade potential are increasingly widely used. [0003] Admittedly, the gridded ROADM network has a complex structure and requires a separate physical route for each service. Therefore, if there are a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/721H04J14/02
CPCH04J14/021H04L45/123H04L45/14
Inventor 满祥锟
Owner CHINA UNITED NETWORK COMM GRP CO LTD
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