CN105790990B - A kind of method and its system for supervising adapted telecommunication business - Google Patents

A kind of method and its system for supervising adapted telecommunication business Download PDF

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Publication number
CN105790990B
CN105790990B CN201410817282.4A CN201410817282A CN105790990B CN 105790990 B CN105790990 B CN 105790990B CN 201410817282 A CN201410817282 A CN 201410817282A CN 105790990 B CN105790990 B CN 105790990B
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business
path
controller
supervising
module
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CN105790990A (en
Inventor
喻强
虞跃
刘川
吴军民
张刚
黄辉
黄在朝
张小建
黄治
于鹏飞
陈伟
任杰
张增华
王向群
李春龙
孙晓艳
王鹤
于海
姚启桂
邓辉
吴鹏
王玮
沈文
侯功
陶静
陈磊
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State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
State Grid Shanghai Electric Power Co Ltd
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State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
State Grid Shanghai Electric Power Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks

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Abstract

The present invention relates to a kind of methods and its system for supervising adapted telecommunication business, complete monitoring and management to adapted communication service by the northbound interface interaction of SDN controller.It imports adapted telecommunication business by arranging service module to be matched in conjunction with the Internet resources and end message of SDN controller report using service attribute keyword, finishing service and routing information are bound.According to the communication requirement of business, making rational planning for for path is carried out, and is issued by controller.The system comprises arranging service module, scheduling of resource module, flow statistical module, path protection module and controller northbound interface modules;The business carried in communication network is associated by the present invention with flow table, can carry out clearly, visually showing to business.Maintenance personnel is more easier to distinguish business and the overall situation of power distribution communication net is managed in fault location, realization.This method further improves the safety of power distribution communication net.

Description

A kind of method and its system for supervising adapted telecommunication business
Technical field
The present invention relates to a kind of monitoring and managing method and its system, in particular to a kind of method for supervising adapted telecommunication business And its system.
Background technique
10kV switchyard, switchgear house, ring-main unit, on-pole switch, distribution line, distributed energy website etc. match Network Communication The distribution terminal of system is to a series of communication entities between distribution business main website, including communication circuit facility and communication equipment Deng having the function of multiple service supporting, information transmission, network management etc. to realize the information exchange between distribution terminal and system.
With network communication system for the purpose of containing whole distribution power automation terminals are covered, distribution transformer monitoring, electricity are fully considered and met Energy quality-monitoring is matched the distribution business demands such as electricity operation monitoring, distributed generation resource control, distribution line video monitoring, and can be held Carry power information acquisition, sale of electricity business, customer service, demand Side Management, load monitoring and electric automobile charging station/stake etc. Electricity consumption business.
By taking power distribution automation business as an example, is used between distribution main website and distribution terminal and meet " telecontrol equipment and system " When the protocol communication of 860 standard of 104 communication protocols or DL/T of (DL/T 634) standard, it is desirable that communication network has IP transmission Ability.In addition, power information capturing service is also based on the main website of IP mode to the point-to-point communication of acquisition terminal.
Software defined network (Software Defined Network, SDN) is a kind of new network of Emulex network innovation framework, core Technology OpenFlow is by separating network equipment control plane with data surface, to realize the flexible control of network flow. For traditional Ethernet/IP network way to manage, the service deployment mode of SDN calls controller using APP at present Northbound interface issues flow table realization.Application study of the SDN network in power communication system is at the early-stage, how will lead to electricity consumption Communication service is carried on SDN network and carries out effective monitoring and management to it, at present also in the stage not yet studied.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of method and its system for supervising adapted telecommunication business, leads to Cross monitoring and management of the northbound interface interaction completion of SDN controller to adapted communication service.It is imported by arranging service module Adapted telecommunication business uses the progress of service attribute keyword in conjunction with the Internet resources and end message of SDN controller report Match, finishing service and routing information are bound.According to the communication requirement of business, carry out making rational planning for for path, and by controller into Row issues.Business carries out periodic sampling, realization pair to each business flow list statistic data in the process of running, by SDN controller The real-time monitoring of service traffics.Meanwhile in conjunction with the link state conditions of traffic streams, using reasonable pretection switch algorithm, Channel effective protection is carried out to business.
The purpose of the present invention is adopt the following technical solutions realization:
A method of supervision adapted telecommunication business, it is improved in that the method includes
(1) adapted telecommunication service attribute data are imported from the file of formatting comprising the IP or MAC of communication end point Location;
(2) SDN controller finds communication terminal according to ARP message, collects its IP address, MAC Address and place port letter Breath forms end message list;
(3) data set of step (1) and step (2) is subjected to IP/MAC address matching, realizes business and switch port Association;
(4) by SDN controller by LLDP agreement collect network topology structure comprising openflow exchanger information and Link information between interchanger;
(5) path integration of generation is issued to interchanger, finishing service channel by controller at openflow flow table Building;
(6) period is used according to business, calls SDN controller to be acquired flow table statistic, for summarizing and analyzing Processing;
(7) SDN controller is called to monitor link state, discovery has link abnormal, operating path is switched to standby Part path, and issue alarm.
Preferably, the attribute data of importing includes in the step (1)
(a) business identifier ServiceID;
(b) Business Name;
(c) type of service;
(d) requirement of the business to communication;
(e) address information of communicating pair;
(f) other feature attribute or description information.
Further, described pair communication require to include bandwidth requirement, delay requirement and hop count requirement;The communicating pair Address information, the address IP/MAC of the address IP/MAC and terminal B including terminal A;The other feature attribute or description information, Sample content and sampling interval including flow.
Preferably, end message list described in the step (2) includes
(a) terminal recognition EndpointID;
(b) terminal IP/MAC;
(c) Openflow switch port PortUID where terminal.
Preferably, step (2) middle port is using global numbering, overall situation number PortUID by interchanger ID And port numbers joint in place is constituted.
Preferably, the matching in the step (3) can be carried out according to communication in two layers or three layers choose MAC matching or IP matching;For the terminal reported, it is not matched to any business imported, then it is assumed that the terminal is illegally to access, not It is open-minded.
Preferably, requirement of the step (4) according to business to communication chooses satisfactory road for the business of adapted electric industry Diameter can generate operating path and several backup paths if there are redundancies on network simultaneously.
Preferably, the attribute in the path of generation includes: in the step (5)
(a) Path Recognition TrafficPathID;
(b) service identification number ServiceID;
(c) path node data.
Further, the path node data, using describing mode are as follows: { EndpointB_PortUID, MN1_ PortUID, MN2_PortUID ..., MNn_PortUID, EndpointB_PortUID }, wherein MNx_PortUID is path The switch ports number of place intermediate node.
Preferably, the longtime running after adapted electricity service path issues, can be used the mode of finger daemon;Link exception thing Part is reported by SDN controller is asynchronous, guarantees the real-time of backup path investment.
The present invention is based on a kind of systems for supervision adapted telecommunication business that another object provides, it is improved in that The system comprises arranging service module, scheduling of resource module, flow statistical module, path protection module and controller north orientations to connect Mouth mold block;
The arranging service module, the adapted telecommunication business description information imported by user are saved into structuring Data set is used for resource scheduler module;Business description information includes the IP address information or mac address information of communication node.
The scheduling of resource module is provided by the openflow interchanger that controller northbound interface module obtains SDN network Source and physical couplings generate full mesh topology information bank.
The scheduling of resource module obtains the ARP that host or detection and control terminal are sent by controller northbound interface module and reports Text and place switch port information, the IP address carried by ARP message content or MAC Address match business;It completes The binding of openflow switch port and adapted telecommunication business.
The scheduling of resource module is completed the calculating of forward-path by full mesh topology information bank, is converted further into Openflow flow table is issued to SDN network via controller northbound interface module;Complete openflow flow table and adapted telecommunication The binding of business.
Preferably, the controller northbound interface module, provides the access path of controller, and other functional modules are sent Flow table operation and relevant configuration request be converted into the API Calls of specific controller, to controller transmitting order to lower levels;Reverse procedure In, the Asynchronous Request event actively initiated controller is monitored.
Compared with the prior art, the invention has the benefit that
1. the business carried in communication network is associated with flow table, clear, visual exhibition can be carried out to business It is existing.Maintenance personnel is more easier to distinguish business and the overall situation of power distribution communication net is managed in fault location, realization.
2. being sampled by the statistical data to openflow flow entry, to reflect the real-time of adapted telecommunication business Flow and average flow rate further can provide reference data source for the planning and optimization in path.
3. can be tracked to the operating condition of business by the monitoring to SDN path status, when operating path occurs Backup path is rapidly switched to when failure.
4. the terminal by arranging service module authentication can just be opened method also provides for a kind of mode of terminal authentication SDN network path further improves the safety of power distribution communication net.
Detailed description of the invention
Fig. 1 is a kind of method flow diagram for supervising adapted telecommunication business provided by the invention.
Fig. 2 is the APP layer schematic diagram provided by the invention positioned at SDN architectural framework.
Fig. 3 is a kind of system schematic for supervising adapted telecommunication business provided by the invention.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
A kind of method for supervising adapted telecommunication business of the present invention, is realized by following steps:
1. importing adapted telecommunication service attribute data from the file of formatting, the attribute of importing includes:
(a) business identifier ServiceID;(can be distributed automatically taking human as specified or system)
(b) Business Name,
(c) type of service,
(d) requirement (such as bandwidth, time delay and hop count requirement) of the business to communication;
(e) address information (IP/MAC of the IP/MAC and terminal B of terminal A) of communicating pair;
(f) other feature attribute or description information (such as traffic sampling interval);
2.SDN controller finds communication terminal according to ARP message, collects its IP address, MAC Address and place port letter Breath.End message list is formed, the attribute for including is as follows:
(a) terminal recognition EndpointID;(can be distributed automatically taking human as specified or system)
(b) terminal IP/MAC
(c) (the overall situation number, by the ID and port numbers structure of interchanger of Openflow switch port PortUID where terminal At)
3. being matched according to the above-mentioned address IP/MAC, the association of business and switch port, i.e. triple may be implemented { ServiceID, EndpointA_PortUID, EndpointB_PortUID }.For the terminal reported, if be not matched to Any business, then it is assumed that the terminal is illegally to access, not open-minded.
It specifically include openflow exchanger information 4. collecting network topology structure by LLDP agreement by SDN controller Link information between interchanger.Requirement according to business to communication, using reasonable path calculation method (such as weighting Dijkstra's algorithm), work can be generated if there are redundancies on network simultaneously by choosing satisfactory path for the business of adapted electric industry Make path and several backup paths.The mode of being described below can be used in the attribute in the path of generation:
(a) Path Recognition TrafficPathID
(b) service identification number ServiceID
(c) path data EndpointB_PortUID, MN1_PortUID, MN2_PortUID ..., MNn_PortUID, EndpointB_PortUID }, wherein MNx_PortUID is the switch ports number of intermediate node where path.
5. the path integration of generation is issued to interchanger by controller at openflow flow table, finishing service channel Building.
6. according to business use the period, call SDN controller flow table statistic is acquired, for summarize and analysis at Reason.
7. SDN controller is called to monitor link state, discovery has link abnormal (such as Linkdown event), by work Backup path is switched to as path, and issues alarm.
A kind of system for supervising adapted telecommunication business of the present invention, main comprising with lower module:
1. arranging service module
Through the importing of programming interface or formatted file, by business datum storage into data structure and database table. Service attribute includes: traffic ID, Business Name, type of service, communication bandwidth and delay requirement, the IP address of communicating pair A, B Or interchanger ID and port numbers where MAC Address and terminal A, B.If not designated port, the side of ARP Dynamic Discovery can be used Method obtains the location information where terminal.
Arranging service module provides interface and gives scheduling of resource module, so that it be made to obtain industry according to IP address or MAC Address Business information.
2. scheduling of resource module
Scheduling of resource module obtains network topological information from controller in the following ways by northbound interface: passing through LLDP The link information (link circuit condition) between exchanger information and interchanger is obtained, the ARP message sended over by capturing terminal, Obtain the switch ports number where terminal.The global Topological Structure data of network are generated in inside modules by information above.
The business information that scheduling of resource module is imported by arranging service module is associated with correspondence by IP or MAC Address Host or match electric terminal.
The communicating requirement of scheduling of resource module combination business calculates path data in conjunction with path optimization's algorithm, and converts At openflow flow table format, it is issued to SDN controller.
By operating above, adapted telecommunication business ServiceID and SDN network path P athID are bound.
In addition, redundancy condition of the scheduling of resource module according to current network, automatically creates several backup links, is used as failure It is used when recovery.
3. flow statistical module
SDN controller is configured, timing is set as and flow table statistic is sampled, controller passes through northbound interface for flow Data active transmission is to flow statistical module.Flow statistical module is further processed and refines to initial data, forms several dimensions Display data is spent, such as the handling capacity of certain link, the timesharing average flow rate of Business Stream etc..
4. path protection module
SDN controller is configured, chain alarming information is reported into path protection module, path protection mould by northbound interface Block obtains backup path from network data scheduler module, carries out channel switching.If providing announcement without available backup path It is alert.
5. controller northbound interface module
The module provides the access path of controller, and the flow table operation that other functional modules are issued and relevant configuration are requested The API Calls of SDN controller are converted into, to controller transmitting order to lower levels.In reverse procedure, to controller, actively the asynchronous of initiation is asked Event is asked to be monitored.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, institute The those of ordinary skill in category field can still modify to a specific embodiment of the invention referring to above-described embodiment or Equivalent replacement, these are applying for this pending hair without departing from any modification of spirit and scope of the invention or equivalent replacement Within bright claims.

Claims (12)

1. a kind of method for supervising adapted telecommunication business, which is characterized in that the method includes
(1) adapted telecommunication service attribute data are imported from the file of formatting comprising the IP or MAC Address of communication end point;
(2) SDN controller finds communication terminal according to ARP message, collects its IP address, MAC Address and place port information, shape At end message list;
(3) data set of step (1) and step (2) is subjected to IP/MAC address matching, realizes the pass of business and switch port Connection;
(4) network topology structure is collected by LLDP agreement by SDN controller comprising openflow exchanger information and exchange Link information between machine;Be engaged in path selection for adapted electric industry, if there are redundancy on network, can generate simultaneously operating path and Several backup paths;
(5) path integration of generation is issued to interchanger, the structure in finishing service channel by controller at openflow flow table It builds;
(6) according to business use the period, call SDN controller flow table statistic is acquired, for summarize and analysis handle;
(7) SDN controller is called to monitor link state, discovery has link abnormal, and operating path is switched to and backs up road Diameter, and issue alarm.
2. a kind of method for supervising adapted telecommunication business as described in claim 1, which is characterized in that in the step (1) The attribute data of importing includes
(a) business identifier ServiceID;
(b) Business Name;
(c) type of service;
(d) requirement of the business to communication;
(e) address information of communicating pair;
(f) other feature attribute or description information.
3. a kind of method for supervising adapted telecommunication business as claimed in claim 2, which is characterized in that described to be wanted to communication It asks including bandwidth requirement, delay requirement and hop count requirement;The communicating pair address information, the address IP/MAC including terminal A With the address IP/MAC of terminal B;The other feature attribute or description information, sample content and sampling interval including flow.
4. a kind of method for supervising adapted telecommunication business as described in claim 1, which is characterized in that in the step (2) The end message list includes
(a) terminal recognition EndpointID;
(b) terminal IP/MAC;
(c) Openflow switch port PortUID where terminal.
5. a kind of method for supervising adapted telecommunication business as described in claim 1, which is characterized in that in the step (2) Using global numbering, overall situation number PortUID is combined by the ID of interchanger and place port numbers to be constituted for port.
6. a kind of method for supervising adapted telecommunication business as described in claim 1, which is characterized in that in the step (3) Matching can be carried out according to communication in two layers or three layers to choose MAC matching or IP and match;For the terminal reported, no It is fitted on any business imported, then it is assumed that the terminal is illegally to access, not open-minded.
7. a kind of method for supervising adapted telecommunication business as described in claim 1, which is characterized in that step (4) root Requirement according to business to communication, choosing satisfactory path for the business of adapted electric industry can generate simultaneously if there are redundancies on network Operating path and several backup paths.
8. a kind of method for supervising adapted telecommunication business as described in claim 1, which is characterized in that in the step (5) The attribute in the path of generation includes:
(a) Path Recognition TrafficPathID;
(b) service identification number ServiceID;
(c) path node data.
9. a kind of method for supervising adapted telecommunication business as claimed in claim 8, which is characterized in that the path node number According to using describing mode are as follows: and EndpointB_PortUID, MN1_PortUID, MN2_PortUID ..., MNn_PortUID, EndpointB_PortUID }, wherein MNx_PortUID is the switch ports number of intermediate node where path.
10. a kind of method for supervising adapted telecommunication business as described in claim 1, which is characterized in that be engaged in adapted electric industry Path issues rear longtime running, and the mode of finger daemon can be used;Link anomalous event is reported by SDN controller is asynchronous, is guaranteed The real-time of backup path investment.
11. a kind of system for supervising adapted telecommunication business, which is characterized in that the system comprises arranging service modules, resource Scheduler module, flow statistical module, path protection module and controller northbound interface module;
The arranging service module, the adapted telecommunication business description information imported by user save the data at structuring Collection is used for resource scheduler module;Business description information includes the IP address information or mac address information of communication node;
The scheduling of resource module, by controller northbound interface module obtain SDN network openflow switch resource and Physical couplings generate full mesh topology information bank;
The scheduling of resource module, by controller northbound interface module obtain ARP message that host or detection and control terminal are sent and Place switch port information, the IP address carried by ARP message content or MAC Address match business;Complete openflow The binding of switch port and adapted telecommunication business;
The scheduling of resource module is completed the calculating of forward-path by full mesh topology information bank, is converted further into Openflow flow table is issued to SDN network via controller northbound interface module;Complete openflow flow table and adapted telecommunication The binding of business.
12. a kind of system for supervising adapted telecommunication business as claimed in claim 11, which is characterized in that the controller north To interface module, the access path of controller is provided, the flow table operation and relevant configuration request that other functional modules are sent turn The API Calls for changing specific controller into, to controller transmitting order to lower levels;In reverse procedure, to controller, actively the asynchronous of initiation is asked Event is asked to be monitored.
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