CN106953748A - A kind of elastic optical network comprehensive energy efficiency appraisal procedure and system - Google Patents

A kind of elastic optical network comprehensive energy efficiency appraisal procedure and system Download PDF

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Publication number
CN106953748A
CN106953748A CN201710121047.7A CN201710121047A CN106953748A CN 106953748 A CN106953748 A CN 106953748A CN 201710121047 A CN201710121047 A CN 201710121047A CN 106953748 A CN106953748 A CN 106953748A
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business
network
optical network
energy consumption
elastic optical
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CN106953748B (en
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陈雪
罗晓
王磊
杨桃
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Beijing University of Posts and Telecommunications
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Beijing University of Posts and Telecommunications
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance or administration or management of packet switching networks
    • H04L41/14Arrangements for maintenance or administration or management of packet switching networks involving network analysis or design, e.g. simulation, network model or planning
    • H04L41/145Arrangements for maintenance or administration or management of packet switching networks involving network analysis or design, e.g. simulation, network model or planning involving simulating, designing, planning or modelling of a network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance or administration or management of packet switching networks
    • H04L41/08Configuration management of network or network elements
    • H04L41/0896Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities, e.g. bandwidth on demand
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance or administration or management of packet switching networks
    • H04L41/50Network service management, i.e. ensuring proper service fulfillment according to an agreement or contract between two parties, e.g. between an IT-provider and a customer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062Network aspects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062Network aspects
    • H04Q2011/0079Operation or maintenance aspects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062Network aspects
    • H04Q2011/0086Network resource allocation, dimensioning or optimisation

Abstract

The present invention provides a kind of elastic optical network comprehensive energy efficiency evaluation method and system, and methods described includes:S1, communication efficiency and number of services according to the business successfully serviced in all arrival business, obtain the communication for service amount of elastic optical network;S2, communication efficiency and number of services according to the business that service is rejected in all arrival business, obtain the loss traffic of elastic optical network;S3, the total energy consumption for obtaining elastic optical network;S4, according to communication for service amount, the loss traffic and total energy consumption, set up the comprehensive energy efficiency model of elastic optical network, overall merit carried out to elastic optical network.Angle from the resource utilization of network, network throughput, network bearer quantity and capacity, the transmission range of network support business and network total energy consumption is to elastic optical network progress overall merit, network synthesis efficiency value is drawn, makes evaluation more science and comprehensive.

Description

A kind of elastic optical network comprehensive energy efficiency appraisal procedure and system
Technical field
The present invention relates to technical field of optical fiber communication, more particularly, to a kind of elastic optical network comprehensive energy efficiency assessment side Method and system.
Background technology
Elastic optical network is used as the optical-fiber network framework of one in optical fiber telecommunications system emerging and great prospect, its flexible frequency Spectrum fine granularity largely improve traditional wavelength-division multiplex (Wavelength Division Multiplexing, WDM) the transmission capacity and transmission rate of network.With the day of the continuous improvement of key technology and network structure in elastic optical network Beneficial complicated, the performance and requirement of many aspect of performances such as reliability, stability and high efficiency of elastic optical network are by increasingly Many network users and network management developer are of interest.
Current analysis and evaluation to elastic optical network primarily focuses on some specific network performance to elastic optical network and referred to The research of the state at mark and network a certain moment.Run for actual elastic optical network design planning with optimization, single network Performance indications can not comprehensively reflect the overall efficiency of network.Secondly, the state quality at network a certain moment can not be complete Represent the quality of network integrality.For example, at a time, the resource utilization in elastic optical network is very high, but can not be by This judges that network state is good, because caused by the high resource utilization at this moment is probably high service blocking rate.Therefore, travel through After all communication scenes of elastic optical network, by multiple network performance indexes be converted to one can concentrated expression elastic optical network it is whole The evaluation index of body situation seems very necessary to carry out evaluation to elastic optical network.
From the angle of elastic optical network integrated service efficiency evaluation, elastic optical network service ability and elastic optical network are utilized Relation between total cost evaluates the comprehensive effectiveness of elastic optical network, can provide technology for the optimization of network performance of elastic optical network Method foundation.Accordingly, it would be desirable to which a kind of index Evaluation Method is evaluated elastic optical network network synthesis efficiency with directly perceived comprehensive Ground reflects the overall efficiency situation of network.
The content of the invention
It is comprehensive that the present invention provides a kind of elastic optical network for overcoming above mentioned problem or solving the above problems at least in part Efficiency evaluation method, takes into full account the characteristics of elastic optical network flexible resource is distributed, and statistics elastic optical network travels through all communications Every network index after scene, using its network service capabilities and the total cost of network, is carried out using network synthesis effectiveness models Assessing network, draws comprehensive evaluation result, and the design and planning for elastic optical network provide reference frame.
According to an aspect of the present invention there is provided a kind of elastic optical network comprehensive energy efficiency evaluation method, including:
S1, communication efficiency and number of services according to the business successfully serviced in all arrival business, obtain elastic optical The communication for service amount of network;
S2, communication efficiency and number of services according to the business that service is rejected in all arrival business, obtain elastic optical The loss traffic of network;
S3, the total energy consumption for obtaining elastic optical network;
S4, according to communication for service amount, the loss traffic and total energy consumption, set up the comprehensive energy efficiency model of elastic optical network, it is right Elastic optical network carries out overall merit.
As preferred, the step S1 is specifically included:
S11, the volume of business C for obtaining business i in elastic optical networkiAnd average transmission distance
The collection of services I successfully serviced in the business reached in S12, acquisition elastic optical networks
S13, calculating elastic optical network communication for service amount:
As preferred, in the step S11, the average transmission distance of the business i is:
In formula, PiAll alternative set of paths of business that numbering is i are represented, | Pi| represent that the business that numbering is i is all standby The size of the set of paths of choosing, k represents all alternative set of paths P of businessiThe numbering in middle path,Represent that numbering is i's Path number is the length in k path in business.
As preferred, the step S3 is specifically included:Elastic optical network is traveled through after all communication scenes, obtains elastic optical The size for the collection of services that service is rejected in the business reached after all communication scenes in network is traveled through in network | I-Is|, I To travel through the collection of services reached after all communication scenes in network in elastic optical network;Calculate and obtain elastic optical network loss The traffic:
As preferred,
In the step S3, the network element of service state is not in the elastic optical network all in closing shape State.
As preferred, according to energy consumption and network traffics dependency relation, the energy consumption of the ip router is:
In formula,The energy consumption of ip router and flow irrelevant portions is represented,Represent unit gigabit in ip router The energy consumption that network traffics per second are brought, τ represents corresponding network traffics;
The energy consumption of adaptive-bandwidth optical transceiver is:
In formula,The energy consumption of adaptive-bandwidth optical transceiver and flow irrelevant portions is represented,Represent adaptive-bandwidth light The energy consumption that the network traffics of unit Gigabits per second are brought in transceiver.
As preferred, according to energy consumption relation unrelated with network traffics, obtain adaptive-bandwidth light in intermediate node and intersect company The energy consumption connect is:
In formula,Adaptive-bandwidth optical cross connect and the energy consumption of flow irrelevant portions are represented, a represents the intermediate node Connected degree, i.e., the quantity directly connected with the node of other in network, b represent the intermediate node can up and down road port number;
Each the energy consumption of business is:
siRepresent source node, d in the business that numbering is iiRepresent destination node, n in the business that numbering is ii,jRepresent numbering For j-th of intermediate node in i business;PCip(si) represent to number the energy consumption of the ip router in the business for being i in source node, PCOPT(si) represent to number the energy consumption of the adaptive-bandwidth optical transceiver in the business for being i in source node, PCip(di) represent that numbering is The energy consumption of ip router in i business in destination node, PCOPT(di) represent the band in destination node in the business that numbering is i The energy consumption of wide variable optical transceiver, PCOXC(ni,j) represent that the adaptive-bandwidth light of j-th of intermediate node in the business that numbering is i is handed over The energy consumption of connection is pitched,Represent image intensifer number shared in the business that numbering is i, PCOAOne image intensifer of expression Energy consumption;
The total energy consumption of optical-fiber network is:
As preferred, the step S4 is specifically included, and sets up the comprehensive energy efficiency model of elastic optical network:
S=ST/ (LT × PCtotal)
In formula, ST is the communication service amount of elastic optical network, and LT is the loss traffic of elastic optical network, PctotalFor bullet The total energy consumption of property optical-fiber network.
A kind of elastic optical network comprehensive energy efficiency assessment system, including:
Communication for service measurement module, for the communication efficiency according to the business successfully serviced in all arrival business and Number of services, obtains the communication for service amount ST of elastic optical network;
Lose traffic measurement module, for the communication efficiency according to the business that service is rejected in all arrival business and Number of services, obtains the loss traffic LT of elastic optical network;
Total power consumption measurement module, the total energy consumption PC for obtaining elastic optical networktotal
Comprehensive energy efficiency evaluation module, for setting up comprehensive energy efficiency model S=ST/ (LT × PCtotal), elastic optical network is entered Row overall merit.
The application proposes a kind of elastic optical network comprehensive energy efficiency evaluation method and system, takes into full account that elastic optical network is flexible The characteristics of resource allocation, statistics elastic optical network travels through every network index after all communication scenes, by calculating bullet respectively Property the communication for service amount of network, the loss traffic and total energy consumption, it is each to evaluate ginseng using its network service capabilities and the total cost of network Count from the resource utilization of network, network throughput, network bearer quantity and capacity, the transmission range of network support business Angle with network total energy consumption draws network synthesis efficiency value, makes evaluation more science to elastic optical network progress overall merit With it is comprehensive, design for elastic optical network and planning provide reference frame.
Brief description of the drawings
Fig. 1 is the energy efficiency evaluating method flow chart in the embodiment of the present invention 1;
Fig. 2 is the structural representation of the elastic optical network according to the embodiment of the present invention 2;
Fig. 3 is the energy efficiency evaluation system architecture diagram according to the embodiment of the present invention 3.
Embodiment
With reference to the accompanying drawings and examples, the embodiment to the present invention is described in further detail.Implement below Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
Fig. 1 shows a kind of elastic optical network comprehensive energy efficiency appraisal procedure, takes into full account elastic optical network flexible resource point With the characteristics of, statistics elastic optical network travels through every network index after all communication scenes, using its network service capabilities and The total cost of network, carries out elastic optical network comprehensive effectiveness evaluation using elastic optical network comprehensive effectiveness model, draws overall merit As a result;Specifically, comprising the following steps:
S1, communication efficiency and number of services according to the business successfully serviced in all arrival business, obtain elastic optical The communication for service amount of network;
S2, communication efficiency and number of services according to the business that service is rejected in all arrival business, obtain elastic optical The loss traffic of network;
S3, the total energy consumption for obtaining elastic optical network;
S4, according to communication for service amount, the loss traffic and total energy consumption, set up the comprehensive energy efficiency model of elastic optical network, it is right Elastic optical network carries out overall merit.
Elastic optical network communication for service amount refers to elastic optical network after all communication scenes have been traveled through, all arrival business The product of the quantity of the communication efficiency of the middle business successfully serviced and the business successfully serviced.Network service communication amount is main The average transmission distance of the quantity of the business successfully serviced for network, capacity and all alternative paths of business;In this implementation In example, the step S1 is specifically included:
S11, the volume of business C for obtaining business i in elastic optical networkiAnd average transmission distanceCiRepresent that numbering is i's The capacity of business,The average transmission distance for the business that numbering is i is represented, is specially:
In formula, in formula, PiAll alternative set of paths of business that numbering is i are represented, | Pi| represent the business that numbering is i The size of all alternative set of paths, k represents all alternative set of paths P of businessiThe numbering in middle path,Represent numbering The length in the path for being k for path number in i business;
The collection of services I successfully serviced in the business reached in S12, acquisition elastic optical networks, | Is| represent elastic optical The size for the collection of services that the business reached after all communication scenes in network is successfully serviced is traveled through in network;
S13, calculating elastic optical network communication for service amount:ST represents that network service leads to Traffic, i represents that business is numbered, and I represents to travel through the collection of services reached in network after all communication scenes in elastic optical network;
The elastic optical network loss traffic refers to elastic optical network after all communication scenes have been traveled through, all arrival business In be rejected service business communication efficiency and be rejected service business quantity product;The network losses traffic is main Refuse the average transmission distance of quantity, capacity and all alternative paths of business of the business of service for network.Specifically, institute State in step S2, elastic optical network is traveled through after all communication scenes, obtain in elastic optical network and travel through net after all communication scenes The size of the collection of services of service is rejected in the business reached in network | I-Is|, I be elastic optical network in travel through all communications The collection of services reached after scene in network;Calculate and obtain the elastic optical network loss traffic:
The total cost of elastic optical network refers to the total energy consumption of elastic optical network, and regulation is not on service in elastic optical network The network element of state is all in closed mode, and in the present embodiment, the total energy consumption of elastic optical network is:
In formula, PCtotalRepresent the total energy consumption of network, PCiRepresent the energy consumption pair of each business of energy consumption for the business that numbering is i Should adaptive-bandwidth light intersects and connected in the energy consumption of ip router, the energy consumption of adaptive-bandwidth optical transceiver, intermediate node in former destination node Connect, in service path image intensifer energy consumption;In the present embodiment, the energy consumption PC of an image intensiferOA=110 watts.
Specifically, the step S3 includes:It is related to network traffics according to energy consumption, respectively obtain the energy consumption pair of each business Answer the energy consumption of ip router in source node, the energy consumption of adaptive-bandwidth optical transceiver;It is unrelated with network traffics according to energy consumption, in acquisition In intermediate node in the energy consumption of adaptive-bandwidth optical cross connect, service path image intensifer energy consumption, finally give elastic optical network Total energy consumption.
In the present embodiment, further, the energy consumption of the ip router is:
In formula,The energy consumption of ip router and flow irrelevant portions is represented,Represent unit gigabit in ip router The energy consumption that network traffics per second are brought, τ represents corresponding network traffics;
The energy consumption of adaptive-bandwidth optical transceiver is:
In formula,The energy consumption of adaptive-bandwidth optical transceiver and flow irrelevant portions is represented,Represent adaptive-bandwidth light The energy consumption that the network traffics of unit Gigabits per second are brought in transceiver;
The energy consumption of adaptive-bandwidth optical cross connect is in intermediate node:
In formula,Adaptive-bandwidth optical cross connect and the energy consumption of flow irrelevant portions are represented, a represents the intermediate node Connected degree, i.e., the quantity directly connected with the node of other in network, b represent the intermediate node can up and down road port number;
Each the energy consumption of business is:
siRepresent source node, d in the business that numbering is iiRepresent destination node, n in the business that numbering is ii,jRepresent numbering For j-th of intermediate node in i business;PCip(si) represent to number the energy consumption of the ip router in the business for being i in source node, PCOPT(si) represent to number the energy consumption of the adaptive-bandwidth optical transceiver in the business for being i in source node, PCip(di) represent that numbering is The energy consumption of ip router in i business in destination node, PCOPT(di) represent the band in destination node in the business that numbering is i The energy consumption of wide variable optical transceiver, PCOXC(ni,j) represent that the adaptive-bandwidth light of j-th of intermediate node in the business that numbering is i is handed over The energy consumption of connection is pitched,Represent image intensifer number shared in the business that numbering is i, PCOAOne image intensifer of expression Energy consumption;
Obtain the energy consumption PC of each businessi, be not in elastic optical network the network element of service state all in Closed mode, network total energy consumption is:
As preferred, the step S4 is specifically included, and sets up the comprehensive energy efficiency model of elastic optical network:
S=ST/ (LT × PCtotal)。
Embodiment 2
Fig. 2 is the elastic optical network structure shown in the present embodiment, is the network of 6 nodes, the length of each of the links As shown in FIG., each node includes ip router, adaptive-bandwidth optical transceiver, adaptive-bandwidth optical cross connect, every length There is an image intensifer in link more than or equal to 80 kms.Table 1 is shown after elastic optical network travels through all communication scenes Total business information.
Table 1:
Business numbering i Source node Si Destination node di Volume of business Ci Service scenario Service path
1 A C 50 Success A—B-C
2 B E 30 Success B-F-E
3 F D 40 Failure Nothing
Wherein, the computational methods of the average transmission distance of each business are as follows:
Business 1:
Optional path set P1={ A-B-C, A-F-B-C, A-F-E-C, A-F-E-D-C }, | P1|=4;
Then
Business 2:
Optional path set P2={ B-C-E, B-F-E, B-C-D-E, B-A-F-E }, | P2|=4;
Then
Business 3:
Optional path set
P3={ F-E-D, F-E-C-D, F-B-C-D, F-B-C-E-D, F-A-B-C-D, F-A-B-C-E-D }, | P3|=6;
Then
S1, determine elastic optical network communication for service amount;
Elastic optical network success service business number as shown in table 1 | Is|=2, then elastic optical network service positive capacity calculation side Method is as follows:
S2, determine elastic optical network lose the traffic;
The total number of request of elastic optical network as shown in table 1 | I |=3, success service business number | Is|=2, then elastic optical network Service, negative capability computational methods are as follows:
S3, determine the total cost of elastic optical network;
The energy consumption of business 1:
As shown in table 1, the service path of business 1 is A-B-C, and intermediate node is to have an image intensifer in B, link B-C. The Calculation Method of Energy Consumption of business 1 is as follows:
The energy consumption of business 2:
As shown in table 1, the service path of business 2 is B-F-E, and intermediate node is F, and the link passed through is all without light amplification Device.The Calculation Method of Energy Consumption of business 2 is as follows:
Total cost of elastic optical network is calculated as follows:
PCtotal=PC1+PC2=7030.52 watts
S4, determine elastic optical network comprehensive effectiveness value;
The comprehensive effectiveness model of elastic optical network is:Elastic optical network comprehensive effectiveness value=network service communication amount/(network Lose the total cost of the traffic × network).Then elastic optical network comprehensive effectiveness computational methods are as follows:
Elastic optical network comprehensive effectiveness value:S=34400/ (10800 × 7030.52)=4.5 × 10-4
Embodiment 3
Fig. 3 shows a kind of elastic optical network comprehensive energy efficiency assessment system, and system that employs the energy described in embodiment 1 Appraisal procedure is imitated, including:
Communication for service measurement module, for the communication efficiency according to the business successfully serviced in all arrival business and Number of services, obtains the communication for service amount ST of elastic optical network;
Lose traffic measurement module, for the communication efficiency according to the business that service is rejected in all arrival business and Number of services, obtains the loss traffic LT of elastic optical network;
Total power consumption measurement module, the total energy consumption PC for obtaining elastic optical networktotal
Comprehensive energy efficiency evaluation module, for setting up comprehensive energy efficiency model S=ST/ (LT × PCtotal), elastic optical network is entered Row overall merit.
The application proposes a kind of elastic optical network comprehensive energy efficiency evaluation method and system, takes into full account that elastic optical network is flexible The characteristics of resource allocation, statistics elastic optical network travels through every network index after all communication scenes, by calculating bullet respectively Property the communication for service amount of network, the loss traffic and total energy consumption, it is each to evaluate ginseng using its network service capabilities and the total cost of network Count from the resource utilization of network, network throughput, network bearer quantity and capacity, the transmission range of network support business Angle with network total energy consumption draws network synthesis efficiency value, makes evaluation more science to elastic optical network progress overall merit With it is comprehensive, design for elastic optical network and planning provide reference frame.
Finally, the present processes are only preferably embodiment, are not intended to limit the scope of the present invention.It is all Within the spirit and principles in the present invention, any modifications, equivalent substitutions and improvements made etc. should be included in the protection of the present invention Within the scope of.

Claims (10)

1. a kind of elastic optical network comprehensive energy efficiency evaluation method, it is characterised in that including:
S1, communication efficiency and number of services according to the business successfully serviced in all arrival business, obtain elastic optical network Communication for service amount;
S2, communication efficiency and number of services according to the business that service is rejected in all arrival business, obtain elastic optical network The loss traffic;
S3, the total energy consumption for obtaining elastic optical network;
S4, according to communication for service amount, the loss traffic and total energy consumption, the comprehensive energy efficiency model of elastic optical network is set up, to elasticity Optical-fiber network carries out overall merit.
2. elastic optical network comprehensive energy efficiency evaluation method according to claim 1, it is characterised in that the step S1 is specific Including:
S11, the volume of business C for obtaining business i in elastic optical networkiAnd average transmission distance
The collection of services I successfully serviced in the business reached in S12, acquisition elastic optical networks
S13, calculating elastic optical network communication for service amount:
3. elastic optical network comprehensive energy efficiency evaluation method according to claim 2, it is characterised in that in the step S11, The average transmission distance of the business i is:
L i ‾ = ( Σ k ∈ | P i | L k i ) / | P i |
In formula, PiAll alternative set of paths of business that numbering is i are represented, | Pi| represent that business that numbering is i is all alternative The size of set of paths, k represents all alternative set of paths P of businessiThe numbering in middle path,Represent the business that numbering is i Middle path number is the length in k path.
4. elastic optical network comprehensive energy efficiency evaluation method according to claim 1, it is characterised in that the step S2 is specific Including:Elastic optical network is traveled through after all communication scenes, obtains the industry that service is rejected in the business reached in elastic optical network The size of business set | I-Is|, I be elastic optical network in travel through the collection of services reached after all communication scenes in network;Calculate And obtain the elastic optical network loss traffic:
L T ( Σ i ∈ ( I - I s ) C i · L i ‾ ) × ( | I - I s | ) .
5. elastic optical network comprehensive energy efficiency evaluation method according to claim 1, it is characterised in that the step S3 is specific Including:According to energy consumption and network traffics dependency relation, ip router in the energy consumption correspondence source node of each business is respectively obtained The energy consumption of energy consumption, adaptive-bandwidth optical transceiver;According to energy consumption relation unrelated with network traffics, adaptive-bandwidth in intermediate node is obtained The energy consumption of image intensifer in the energy consumption of optical cross connect, service path;Finally give the total energy consumption of elastic optical network.
6. elastic optical network comprehensive energy efficiency evaluation method according to claim 5, it is characterised in that in the step S3, The network element of service state is not in the elastic optical network all in closed mode.
7. elastic optical network comprehensive energy efficiency evaluation method according to claim 5, it is characterised in that according to energy consumption and network Flow dependency relation, the energy consumption of the ip router is:
PC i p = PC i p t i + PC i p t d × τ
In formula,The energy consumption of ip router and flow irrelevant portions is represented,Represent unit Gigabits per second in ip router The energy consumption brought of network traffics, τ represents corresponding network traffics;
The energy consumption of adaptive-bandwidth optical transceiver is:
PC O P T = PC O P T t i + PC O P T t d × τ
In formula,The energy consumption of adaptive-bandwidth optical transceiver and flow irrelevant portions is represented,Represent the transmitting-receiving of adaptive-bandwidth light The energy consumption that the network traffics of unit Gigabits per second are brought in machine.
8. elastic optical network comprehensive energy efficiency evaluation method according to claim 5, it is characterised in that according to energy consumption and network The energy consumption of adaptive-bandwidth optical cross connect is in the unrelated relation of flow, acquisition intermediate node:
PC O X C = PC O X C t i = 150 + 85 a + 50 b
In formula,Adaptive-bandwidth optical cross connect and the energy consumption of flow irrelevant portions are represented, a represents the connection of the intermediate node Degree, i.e., the quantity directly connected with the node of other in network, b represent the intermediate node can above and below road port number;
Each the energy consumption of business is:
PC i = PC i p ( s i ) + PC O P T ( s i ) + PC i p ( d i ) + PC O P T ( d i ) + Σ n i , j ∈ R ( s , d ) , n i , j ≠ s , d ( PC O X C ( n i , j ) ) + N O A i × PC O A
siRepresent source node, d in the business that numbering is iiRepresent destination node, n in the business that numbering is ii,jRepresent that numbering is i's J-th of intermediate node in business;PCip(si) represent to number the energy consumption of the ip router in the business for being i in source node, PCOPT (si) represent to number the energy consumption of the adaptive-bandwidth optical transceiver in the business for being i in source node, PCip(di) represent that numbering is i's The energy consumption of ip router in business in destination node, PCOPT(di) represent the bandwidth in destination node in the business that numbering is i The energy consumption of variable optical transceiver, PCOXC(ni,j) represent that the adaptive-bandwidth light of j-th of intermediate node in the business that numbering is i intersects The energy consumption of connection,Represent image intensifer number shared in the business that numbering is i, PCOARepresent the energy of an image intensifer Consumption;
The total energy consumption of optical-fiber network is:
PC t o t a l = Σ i ∈ I s PC i .
9. elastic optical network comprehensive energy efficiency appraisal procedure according to claim 1, it is characterised in that the step S4 is specific Including setting up the comprehensive energy efficiency model of elastic optical network:
S=ST/ (LT × PCtotal)
In formula, ST is the communication service amount of elastic optical network, and LT is the loss traffic of elastic optical network, PctotalFor elastic optical The total energy consumption of network.
10. a kind of elastic optical network comprehensive energy efficiency assessment system, it is characterised in that including:
Communication for service measurement module, for the communication efficiency and business according to the business successfully serviced in all arrival business Quantity, obtains the communication for service amount ST of elastic optical network;
Traffic measurement module is lost, for the communication efficiency and business according to the business that service is rejected in all arrival business Quantity, obtains the loss traffic LT of elastic optical network;
Total power consumption measurement module, the total energy consumption PC for obtaining elastic optical networktotal
Comprehensive energy efficiency evaluation module, for setting up comprehensive energy efficiency model S=ST/ (LT × PCtotal), elastic optical network is carried out comprehensive Close and evaluate.
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