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Network capacity evaluation method, device and equipment

A network capacity and network technology, applied in the field of communication, can solve the problems of low efficiency of network capacity evaluation, large amount of calculation, inability to accurately reflect the overall capacity of ROADM network, etc., and achieve the effect of improving planning efficiency.

Active Publication Date: 2019-06-14
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method only focuses on the business capacity between the pair of specified nodes in the ROADM network, and its evaluation results cannot accurately reflect the overall capacity of the ROADM network, and the accuracy is poor
When it is necessary to evaluate the overall capacity of the ROADM network, all the steps of the method must be repeated for all pairs of nodes in the ROADM network, the amount of calculation is large, and the evaluation efficiency of the network capacity is low

Method used

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  • Network capacity evaluation method, device and equipment
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  • Network capacity evaluation method, device and equipment

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Embodiment Construction

[0019] The network capacity evaluation method, device, and equipment provided by the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0020] The term "and / or" in this text is only an association relationship that describes the associated objects, which means that there can be three relationships, for example, A and / or B, which can mean: A alone exists, A and B exist at the same time, exist alone B these three situations.

[0021] The terms "first" and "second" in the description of the application and the drawings are used to distinguish different objects, or to distinguish different processing of the same object, rather than describing a specific order of objects.

[0022] In addition, the terms "including" and "having" and any variations thereof mentioned in the description of this application are intended to cover non-exclusive inclusions. For example, a process, method, system, product, or device that include...

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Abstract

The invention provides a network capacity evaluation method, a device and equipment. The method, the device and the equipment relate to the communication field. The network capacity evaluation method,the device and the equipment can comprehensively and accurately evaluate the integral capacity of the to-be-evaluated network and improve planning efficiency of an ROADM network. The method comprisesthe steps of acquiring network parameters of a reconfigurable optical add-drop multiplexer (ROADM) network; wherein the network parameters can comprise the number-of-nodes and line rate of the ROADMnetwork, the number-of-local-dimensions of each node, and the wave channel capacity of each local dimension; according to the number-of-local-dimensions of the i-th node in the ROADM network, the wavechannel capacity and the line rate of a j-th local dimension in the i-th node, determining the node capacity of the i-th node; wherein i<=N, j<=Di, N is the number of nodes of the ROADM network, Di is the number-of-local-dimensions of the i-th node, N and Di are natural numbers; and determining summation of node capacities of all nodes of the ROADM network as the network capacity of the ROADM network.

Description

Technical field [0001] This application relates to the field of communications, and in particular to a method, device and equipment for evaluating network capacity. Background technique [0002] Compared with fixed optical add-drop multiplexer (Fixed Optical Add-Drop Multiplexer, FOADM) point-to-point wavelength division multiplexing (Wavelength Division Multiplexing, WDM) network (hereinafter referred to as FOADM network), the use of reconfigurable optical add-drop multiplexer Reconfigurable Optical Add-Drop Multiplexer (ROADM) meshed (MESH) WDM network (hereinafter referred to as ROADM network) can provide a larger number of routes that can be allocated between different services, and has a larger system capacity, Business scheduling flexibility and upgrade potential are increasingly widely used. [0003] In actual applications, it is necessary to allocate routes for a large number of services in the ROADM network based on the evaluation result of the ROADM network capacity. On...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/26H04J14/02
CPCH04J14/0201H04J14/021H04L43/0888H04L43/0894H04L43/16
Inventor 满祥锟张红
Owner CHINA UNITED NETWORK COMM GRP CO LTD