CN109525907A - A kind of optical channel bandwidth on-demand distribution method for power business type - Google Patents
A kind of optical channel bandwidth on-demand distribution method for power business type Download PDFInfo
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- CN109525907A CN109525907A CN201811151969.3A CN201811151969A CN109525907A CN 109525907 A CN109525907 A CN 109525907A CN 201811151969 A CN201811151969 A CN 201811151969A CN 109525907 A CN109525907 A CN 109525907A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000004927 fusion Effects 0.000 claims abstract description 14
- 230000003044 adaptive effect Effects 0.000 claims abstract description 9
- 238000005070 sampling Methods 0.000 claims description 12
- 230000011664 signaling Effects 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 abstract description 2
- 230000006978 adaptation Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0876—Network utilisation, e.g. volume of load or congestion level
- H04L43/0894—Packet rate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/16—Threshold monitoring
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
- H04L47/2425—Traffic characterised by specific attributes, e.g. priority or QoS for supporting services specification, e.g. SLA
-
- H02J13/0013—
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
- H04Q2011/0083—Testing; Monitoring
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0084—Quality of service aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0086—Network resource allocation, dimensioning or optimisation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Environmental & Geological Engineering (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
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Abstract
The present invention relates to a kind of optical channel bandwidth on-demand distribution methods for power business type dispatch strategy, centerized fusion framework of this method based on SDN, design flexibility optical-fiber network optical channel bandwidth on-demand allocation algorithm, it mainly include that real-time bandwidth distribution, reserved bandwidth distribution and adaptive bandwidth distribute three kinds, three kinds of bandwidth demand assignment schemes are respectively suitable for different power business types, pass through elastic optical network optical channel bandwidth on-demand distribution technique, to realize the intelligent scheduling of resource of power telecom network, high efficient network resource usage.
Description
Technical field
The present invention relates to power domains, more particularly to a kind of optical channel for power business type dispatch strategy
Bandwidth on-demand distribution method.
Background technique
Route symmetry problem is an important resource allocation problem in WDM optical-fiber network, it refers in data
Before transmission, transmission channel is established between start-stop node pair for it and distributes the wavelength for signal transmission.It is one complete
Problem reasonably solves the problems, such as that this represents the reasonable disposition to resource, as far as possible raising network service quality, reduces industry
A possibility that business obstruction.
When establishing optical path connection in the WDM network of no wavelength convert function, all light passed through in optical path are needed
The fine unified Wavelength Assignment in chain road, that is, meet wavelength consistency constraint.Also, two business for possessing common link must use
Different wavelength prevents from conflicting.Integral linear programming model ILP can be used for the RWA problem of small scale network to solve,
But with the increase of network structure, ILP algorithm excessively complexity is unable to get solution, therefore is not suitable for large and medium-sized network.
Summary of the invention
In order to solve the deficiency that ILP algorithm in the prior art is suitable for medium-and-large-sized network, the present invention provides one kind to be directed to
The optical channel bandwidth on-demand distribution method of power business type dispatch strategy.
To realize the above goal of the invention, the technical solution adopted is that:
A kind of optical channel bandwidth on-demand distribution method for power business type dispatch strategy, comprising the following steps:
Step S1: building SDN centerized fusion framework；
The status information of step S2:SDN centerized fusion framework acquisition electric power networks；
Step S3:SDN centerized fusion framework is according to status information, to the electric power networks under different service types using different
Bandwidth allocation scheme is to construct intelligent elastic electric power networks.
Preferably, bandwidth allocation scheme described in step S3 includes real-time bandwidth allocation plan, reserved bandwidth allocation plan,
Adaptive bandwidth allocation plan.
Preferably, real-time bandwidth allocation plan concrete principle described in step S2 is as follows:
Corresponding bandwidth allocation parameters are arranged according to the bandwidth demand of business in user, generate the real-time distribution request of bandwidth, and will letter
Breath is transferred to SDN, and SDN executes real-time bandwidth allocation algorithm, then to signaling under the corresponding network node in elastic optical network
Message, to complete the distribution according to need process of bandwidth.
Preferably, reserved bandwidth allocation plan concrete principle described in step S2 is as follows:
The parameters in reserved bandwidth allocation plan are defined, total duration, each reservation distribution including reserved bandwidth distribution
Beginning and ending time, SDN centerized fusion framework realize the automatic adjustment of electric power networks by the parameter of setting.
Preferably, adaptive band frame allocation plan concrete principle described in step S2 is as follows:
Step S301: setting service adaptation adjusting parameter；
Step S302: starting service adaptation adjustment；
Step S303: the sampling of service traffics performance monitoring is carried out；
Step S304: business actual flow is calculated according to formula；
Step S305: judging to sample whether duration meets the requirements, if not satisfied, return step S303, if satisfied, then carrying out step
S306；
Step S306: statistical service actual flow is more than the sampling number n1 for adjusting broadband thresholding of current business bandwidth；
Step S307: judging whether n1 is greater than sampling decision threshold n, if satisfied, step S308-S309 is then carried out, if not satisfied,
Then execute S310-312；
Step S308: according to bandwidth threshold is adjusted, calculating adjusts step step-length number N 1；
Step S309: by N1 multiplied by step-length is adjusted plus current bandwidth, calculated result and maximum traffic bandwidth are compared
Compared with；If more than maximum traffic bandwidth, then bandwidth adjusted is equal to maximum traffic bandwidth, if being less than, maximum traffic bandwidth, then
Bandwidth adjusted is equal to N1 and adds current bandwidth multiplied by step-length is adjusted；
Step S310: statistical service actual flow is less than the sampling number n2 for adjusting and reducing bandwidth threshold of current business bandwidth；
Step S311: judge n2 whether be greater than sampling decision threshold n, such as larger than execution step S312, if being less than, terminate into
Journey；
Step S312: subtracting current bandwidth the product for adjusting and reducing step-length and N2, and whether judging result is less than minimum bandwidth business, if small
In then bandwidth adjusted is equal to minimal service bandwidth, if more than then bandwidth adjusted is equal to current bandwidth and subtracts N2 and adjust
Subtract the product of step-length.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is directed to electric transmission network network presence and business development demand, provides elastic Bandwidth sharing mechanism, using certainly
Bandwidth allocation algorithm is adapted to, by the status information and bandwidth demand trend of current business, finishing service in an adaptive way
Bandwidth distribution according to need, improve efficient network resource usage.
Detailed description of the invention
Fig. 1 is flow chart of the invention.
Fig. 2 is the flow chart adaptively with frame allocation plan.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；
Below in conjunction with drawings and examples, the present invention is further elaborated.
Embodiment 1
A kind of optical channel bandwidth on-demand distribution method for power business type dispatch strategy, comprising the following steps:
Step S1: building SDN centerized fusion framework；
The status information of step S2:SDN centerized fusion framework acquisition electric power networks；
Step S3:SDN centerized fusion framework is according to status information, to the electric power networks under different service types using different
Bandwidth allocation scheme is to construct intelligent elastic electric power networks.
Preferably, bandwidth allocation scheme described in step S3 includes real-time bandwidth allocation plan, reserved bandwidth allocation plan,
Adaptive bandwidth allocation plan.
Preferably, real-time bandwidth allocation plan concrete principle described in step S2 is as follows:
Corresponding bandwidth allocation parameters are arranged according to the bandwidth demand of business in user, generate the real-time distribution request of bandwidth, and will letter
Breath is transferred to SDN, and SDN executes real-time bandwidth allocation algorithm, then to signaling under the corresponding network node in elastic optical network
Message, to complete the distribution according to need process of bandwidth.
Preferably, reserved bandwidth allocation plan concrete principle described in step S2 is as follows:
The parameters in reserved bandwidth allocation plan are defined, total duration, each reservation distribution including reserved bandwidth distribution
Beginning and ending time, SDN centerized fusion framework realize the automatic adjustment of electric power networks by the parameter of setting.
Preferably, adaptive band frame allocation plan concrete principle described in step S2 is as follows:
Step S301: setting service adaptation adjusting parameter；
Step S302: starting service adaptation adjustment；
Step S303: the sampling of service traffics performance monitoring is carried out；
Step S304: business actual flow is calculated according to formula；
Step S305: judging to sample whether duration meets the requirements, if not satisfied, return step S303, if satisfied, then carrying out step
S306；
Step S306: statistical service actual flow is more than the sampling number n1 for adjusting broadband thresholding of current business bandwidth；
Step S307: judging whether n1 is greater than sampling decision threshold n, if satisfied, step S308-S309 is then carried out, if not satisfied,
Then execute S310-312；
Step S308: according to bandwidth threshold is adjusted, calculating adjusts step step-length number N 1；
Step S309: by N1 multiplied by step-length is adjusted plus current bandwidth, calculated result and maximum traffic bandwidth are compared
Compared with；If more than maximum traffic bandwidth, then bandwidth adjusted is equal to maximum traffic bandwidth, if being less than, maximum traffic bandwidth, then
Bandwidth adjusted is equal to N1 and adds current bandwidth multiplied by step-length is adjusted.
Step S310: statistical service actual flow is less than the sampling number n2 for adjusting and reducing bandwidth threshold of current business bandwidth；
Step S311: judge n2 whether be greater than sampling decision threshold n, such as larger than execution step S312, if being less than, terminate into
Journey；
Step S312: subtracting current bandwidth the product for adjusting and reducing step-length and N2, and whether judging result is less than minimum bandwidth business, if small
In then bandwidth adjusted is equal to minimal service bandwidth, if more than then bandwidth adjusted is equal to current bandwidth and subtracts N2 and adjust
Subtract the product of step-length.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (5)
1. a kind of optical channel bandwidth on-demand distribution method for power business type dispatch strategy, which is characterized in that including with
Lower step:
Step S1: building SDN centerized fusion framework；
The status information of step S2:SDN centerized fusion framework acquisition electric power networks；
Step S3:SDN centerized fusion framework is according to status information, to the electric power networks under different service types using different
Bandwidth allocation scheme is to construct intelligent elastic electric power networks.
2. a kind of optical channel bandwidth on-demand distribution side for power business type dispatch strategy according to claim 1
Method, which is characterized in that bandwidth allocation scheme described in step S3 includes real-time bandwidth allocation plan, reserved bandwidth allocation plan,
Adaptive bandwidth allocation plan.
3. a kind of optical channel bandwidth on-demand distribution side for power business type dispatch strategy according to claim 2
Method, which is characterized in that real-time bandwidth allocation plan concrete principle described in step S2 is as follows:
Corresponding bandwidth allocation parameters are arranged according to the bandwidth demand of business in user, generate the real-time distribution request of bandwidth, and will letter
Breath is transferred to SDN, and SDN executes real-time bandwidth allocation algorithm, then to signaling under the corresponding network node in elastic optical network
Message, to complete the distribution according to need process of bandwidth.
4. a kind of optical channel bandwidth on-demand distribution side for power business type dispatch strategy according to claim 2
Method, which is characterized in that reserved bandwidth allocation plan concrete principle described in step S2 is as follows:
The parameters in reserved bandwidth allocation plan are defined, total duration, each reservation distribution including reserved bandwidth distribution
Beginning and ending time, SDN centerized fusion framework realize the automatic adjustment of electric power networks by the parameter of setting.
5. a kind of optical channel bandwidth on-demand distribution side for power business type dispatch strategy according to claim 2
Method, which is characterized in that adaptive band frame allocation plan concrete principle described in step S2 is as follows:
Set auto-adaptive parameter, including sample duration, sampling decision threshold, adjustment the period, Bandwidth adjustment step-length, adjust and adjust and reduce door
Limit, SDN centerized fusion framework analyze the bandwidth demand variation tendency of business to current business performance data real-time sampling,
Then the on-demand adjustment of bandwidth is completed according to specific adaptive bandwidth allocation algorithm.
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2018
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