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Resilient optical network comprehensive energy efficiency evaluation method and system

An elastic optical network and evaluation method technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve the problems of high service blocking rate and cannot fully reflect the overall performance of the network.

Active Publication Date: 2017-07-14
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

For actual elastic optical network design planning and optimal operation, a single network performance index cannot fully reflect the overall performance of the network
Secondly, the state of the network at a certain moment cannot fully represent the state of the network as a whole
For example, at a certain moment, the resource utilization rate in the elastic optical network is high, but it cannot be judged that the network status is good, because the high resource utilization rate at this moment may be caused by the high service blocking rate

Method used

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  • Resilient optical network comprehensive energy efficiency evaluation method and system
  • Resilient optical network comprehensive energy efficiency evaluation method and system
  • Resilient optical network comprehensive energy efficiency evaluation method and system

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Experimental program
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Effect test

Embodiment 2

[0082] figure 2 The elastic optical network structure shown in this embodiment is a network of 6 nodes, the length of each link is as shown in the figure, and each node includes an IP router, a variable bandwidth optical transceiver, and a variable bandwidth optical transceiver. Cross-connect, each link with a length of 80 kilometers or more has an optical amplifier. Table 1 shows the total service information after the elastic optical network traverses all communication scenarios.

[0083] Table 1:

[0084] business numberi source node S i

Destination node d i

Business capacity C i

service situation business path 1 A C 50 success A—B—C 2 B E 30 success B-F-E 3 F D 40 fail none

[0085] Among them, the calculation method of the average transmission distance of each service is as follows:

[0086] Business 1:

[0087] Alternative path set P 1 ={A-B-C,A-F-B-C,A-F-E-C,A-F-E-D-C},|P 1 |=4;

[0088]

[...

Embodiment 3

[0118] image 3 A comprehensive energy efficiency assessment system for an elastic optical network is shown, which adopts the energy efficiency assessment method described in Embodiment 1, including:

[0119] The service traffic measurement module is used to obtain the service traffic ST of the elastic optical network according to the communication efficiency and the number of services of all successfully served services among the arriving services;

[0120] The loss traffic measurement module is used to obtain the loss traffic LT of the elastic optical network according to the communication efficiency and the number of services of services that are denied service among all arriving services;

[0121] The total energy consumption measurement module is used to obtain the total energy consumption PC of the elastic optical network total ;

[0122] Comprehensive energy efficiency evaluation module, used to establish comprehensive energy efficiency model S=ST / (LT×PC total ), for...

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Abstract

The invention provides a resilient optical network comprehensive energy efficiency evaluation method and system. The method comprises the following steps: S1, acquiring service communication traffic of a resilient optical network according to the communication efficiency and business number of successfully served business in all arrival businesses; S2, acquiring loss communication traffic of the resilient optical network according to the communication efficiency and the business number of the denial-served businesses in all arrival businesses; S3, acquiring the total energy consumption of the resilient optical network; and S4, establishing a comprehensive energy efficiency model of the resilient optical network according to the service communication traffic, the loss communication traffic and the total energy consumption, thereby comprehensively evaluating the resilient optical network. The resilient optical network is comprehensively evaluated from the angles of the network resource utilization efficiency, the network throughput, the network bearer service number and capacity, the transmission distance of the network supported service and the network total energy consumption, thereby obtaining a network comprehensive energy efficiency value, and enabling the evaluation to be more scientific and comprehensive.

Description

technical field [0001] The present invention relates to the technical field of optical fiber communication, and more particularly, to a method and system for evaluating comprehensive energy efficiency of an elastic optical network. Background technique [0002] Elastic optical network is an emerging and promising optical network architecture in optical fiber communication system. Its flexible and fine-grained spectrum greatly improves the transmission capacity and transmission capacity of traditional Wavelength Division Multiplexing (WDM) network. rate. With the continuous improvement of key technologies in elastic optical networks and the increasingly complex network structure, the performance and requirements of many performance aspects such as reliability, stability, and high efficiency of elastic optical networks are being met by more and more network users and network management. developers concerned. [0003] At present, the analysis and evaluation of elastic optical...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04Q11/00
CPCH04L41/0896H04L41/145H04L41/50H04Q11/0062H04Q2011/0079H04Q2011/0086
Inventor 陈雪罗晓王磊杨桃
Owner BEIJING UNIV OF POSTS & TELECOMM
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