CN109218086A - A kind of switching network construction method and system - Google Patents

A kind of switching network construction method and system Download PDF

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Publication number
CN109218086A
CN109218086A CN201811029645.2A CN201811029645A CN109218086A CN 109218086 A CN109218086 A CN 109218086A CN 201811029645 A CN201811029645 A CN 201811029645A CN 109218086 A CN109218086 A CN 109218086A
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network
backup
network element
net
switching network
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CN109218086B (en
Inventor
卜宪德
李炳林
田文锋
郭经红
吕立冬
郭云飞
张�浩
姚继明
刘世栋
王向群
陶静
刘川
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State Grid Corp of China SGCC
Global Energy Interconnection Research Institute
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State Grid Corp of China SGCC
Global Energy Interconnection Research Institute
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06—Management of faults, events, alarms or notifications
    • H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/44—Star or tree networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0893—Assignment of logical groups to network elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/1016—IP multimedia subsystem [IMS]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The present invention relates to a kind of switching network construction method and systems, comprising: when scheduling exchange network breaks down, nets to backup and issues the networking request for realizing the dispatching exchange network service；The backup net is requested according to the networking, using network function virtualization technology, in the second switching network of the online building of backup；The scheduling exchange network and the backup net are stelliform connection topology configuration；The layout management of level-one network element is corresponding in the network function virtualization technology backs up the central node netted, the partial node of the corresponding backup net of second level network element layout management in network function virtualization technology.The present invention solves backup of the administrative exchange network as scheduling exchange network, when scheduling exchange network breaks down, administrative exchange network does not have the problem of new network implementations scheduling exchange network of rapid build existing professional ability, it realizes, when scheduling exchange network breaks down, administrative exchange network can fast implement the existing professional ability of scheduling exchange network as backup.

Description

A kind of switching network construction method and system
Technical field
The invention belongs to powerline network technical fields, and in particular to a kind of switching network construction method and system.
Background technique
NFV technology has become the important development direction of communication network technology at present.NFV technology be mainly used in for Network Element Function quickly generating and disposing, and especially when singlepoint devices break down, can be quickly generated newly using NFV technology Network element device substitute faulty equipment, be mainly used on IMS communicating network.
It is currently, there are administrative exchange network and scheduling exchange network two opens communicating network, wherein administrative exchange network mainly provides The office services such as office telephone, video, fax, packet call needed for scheduling exchange network provides power scheduling commander are tolled breakdown by force It inserts, telephonograph business.Electric power dispatching exchange network is used for production scheduling, so that it is higher to reliability, requirement of real-time.
Current two networks of throwing the net are physically segregated use.Administrative exchange network has been basically completed at present to IMS (IP Multimedia Subsystem, IP multimedia subsystem) network evolution, and gradually explore and make in the area administrative exchange network Zhong An Virtual ims network is constructed with NFV technology.
In the prior art, backup of the administrative exchange network as scheduling exchange network, it is administrative when scheduling exchange network breaks down Switching network does not have the new existing professional ability of network implementations scheduling exchange network of rapid build.
Summary of the invention
To solve backup of the administrative exchange network as scheduling exchange network, when scheduling exchange network breaks down, administration exchange Net does not have the problem of new network implementations scheduling exchange network of rapid build existing professional ability, and present invention relates particularly to one kind Switching network construction method, which comprises
When scheduling exchange network breaks down, scheduling exchange network, which is netted to issue to backup, realizes the dispatching exchange network service Networking request；
The backup net is requested according to the networking, is set using the physics that the network element of virtualization replaces dispatching exchange online It is standby, in the second switching network of the online building of backup；
The scheduling exchange network and the backup net are stelliform connection topology configuration；
The central node of the corresponding backup net of level-one network element layout management, network function in the network function virtualization technology The partial node of the corresponding backup net of second level network element layout management in virtualization technology.
Preferably, the backup net is requested according to the networking, online instead of dispatching exchange using the network element of virtualization Physical equipment, in the second switching network of the online building of backup, comprising:
Backup net central node assesses the occupation condition of backup net partial node；
It is based on the assessment as a result, the backup net central node assigns the second switching network to the backup net partial node IMS network element generates instruction, and issues the network topology configuration information of the second switching network；
The backup net partial node receives the instruction that the backup net central node issues, and virtualizes skill using network function Art instantiates network element, generates each IMS network element of the second switching network in each area；
After the IMS network element generates, the backup net central node generates second using network function virtualization technology Switching network service server.
Preferably, after each IMS network element of the second switching network for generating each area further include:
Using network function virtualization technology, require according to the second exchange network topology configuration information in each IMS network element Upper configuration routing and information interface, and fed back to backup net central node and generate situation.
Preferably, described based on the assessment as a result, the backup net central node is under the backup net partial node Generating instruction up to the second switching network IMS network element includes:
When the partial node resources left abundance, backup net central node is directly assigned the generation of the second exchange network element and is referred to It enables；
When the backup net partial node is remaining insufficient, backup net central node indicates the backup net partial node releaser Resource is managed, constructs the physical resource for setting up the second switching network until meeting.
Preferably, the backup net is requested according to the networking, using network function virtualization technology, in the backup net The second switching network of upper building further include:
The backup net central node is while assigning instruction to backup net partial node, to the occupation condition of itself It is assessed；
The backup net central node according to itself occupation condition, using the instruction of network function virtualization technology from Body network element is instantiated, and generates the second switching network IMS network element, and configure the network topological information on each network element of the second switching network With the second switching network service server network element template of configuration.
Preferably, after the IMS network element generates, the backup net central node is raw using network function virtualization technology Include: at the second switching network service server
Based on the generation of IMS network element, the backup net central node is by the second switching network service server of the configuration Network element template is instantiated, and the second switching network service server is generated.
A kind of switching network building system, comprising:
Request module: for netting the request for issuing the second switching network of building to backup when scheduling exchange network breaks down；
It constructs module: for the backup net according to the request of scheduling exchange network, being replaced using using the network element of virtualization The online physical equipment of dispatching exchange, in the second switching network of the online building of backup；
The scheduling exchange network and the backup net are stelliform connection topology configuration；
The central node of the corresponding backup net of level-one network element layout management, network function in the network function virtualization technology The partial node of the corresponding backup net of second level network element layout management in virtualization technology.
Preferably, the building module includes:
Assessment unit: the occupation condition of backup net partial node is assessed for backing up net central node；
Assign command unit: for based on the assessment as a result, the backup net central node divides to backup net Node assigns the second switching network IMS network element and generates instruction, and issues the network topology configuration information of the second switching network；
Instantiating unit: receiving the instruction that the backup net central node issues for the backup net partial node, utilizes Network function virtualization technology instantiates network element, generates each IMS network element of the second switching network in each area；
Generate the second switching network service server unit: after being generated for the IMS network element, the backup net centromere Point generates the second switching network service server using network function virtualization technology.
Preferably, the assessment unit includes assigning generation instruction subelement；
The generation instruction subelement of assigning is for analyzing the backup net centromere when the partial node resources left abundance Point directly assigns the second exchange network element and generates instruction；
When the backup net partial node is remaining insufficient, backup net central node indicates the backup net partial node releaser Resource is managed, constructs the physical resource for setting up the second switching network until meeting.
Preferably, the building module further include: own resource assessment unit and itself network element instantiating unit；
The own resource assessment unit is assigning instruction to backup net partial node for the backup net central node Meanwhile the occupation condition of itself is assessed；
Itself network element instantiating unit for the backup net central node according to itself occupation condition, it is sharp It indicates that itself network element is instantiated with network function virtualization technology, generates the second switching network IMS network element, and configure second and hand over The second switching network service server network element template of network topological information and configuration on each network element of draping.
Compared with immediate documents, the application is also had the following beneficial effects:
1, the present invention provides a kind of switching network construction method and system, when scheduling exchange network breaks down, to backup net The networking request for realizing the dispatching exchange network service is issued, the backup net is requested according to the networking, utilizes virtualization Network element replaces the online physical equipment of dispatching exchange, in the second switching network of the online building of backup, the scheduling exchange network and The backup net is stelliform connection topology configuration, and the layout management of level-one network element corresponds to backup net in the network function virtualization technology Central node, the partial node of the corresponding backup net of second level network element layout management, solves administration in network function virtualization technology Backup of the switching network as scheduling exchange network, when scheduling exchange network breaks down, it is new that administrative exchange network does not have rapid build Network implementations scheduling exchange network existing professional ability the problem of；
2, the present invention provides a kind of switching network construction method and system, passes through the rapid build of scheduling exchange network, Neng Gouyou The reliability of the enhancing network operation of effect is greatly shortened the time of national switching network building, promotes the spirit of switching network network Activity；
3, the present invention provides a kind of switching network construction method and system, new in building by making full use of NFV technical capability Communicating network when do not need to carry out new investment construction, sufficiently reuse existing physical resource, realize physical resource utilization High efficiency and maximization.
Detailed description of the invention
Fig. 1 is method flow schematic diagram of the invention；
Fig. 2 is MANO hierarchical structure schematic diagram in NFV of the invention.
Specific embodiment
For a better understanding of the present invention, the contents of the present invention are done further with example with reference to the accompanying drawings of the specification Explanation.
Embodiment 1
A kind of switching network construction method includes three steps: as shown in Figure 1
Step 1: when scheduling exchange network breaks down, being netted to backup and issue the networking for realizing the dispatching exchange network service Request；
Step 2: the backup net is requested according to the networking, using network function virtualization technology, in the backup net The second switching network of upper building；
The scheduling exchange network and the backup net are stelliform connection topology configuration；
The central node of the corresponding backup net of level-one network element layout management, network function in the network function virtualization technology The partial node of the corresponding backup net of second level network element layout management in virtualization technology.
Above-mentioned two step is described in detail below with reference to embodiment:
Explaining in detail for step 1 is described as follows:
The MANO function for the NFV being deployed in administrative exchange network is classified, as shown in Fig. 2, forming level-one MANO and two Grade MANO.Level-one MANO has one, can be deployed in the Dispatch and Command Center of general headquarters, and second level MANO can have multiple, can be deployed in each Province center.Stelliform connection topology configuration, phase are formed between level-one MANO (network element layout management) and second level MANO (network element layout management) Has interface between mutually.Level-one MANO (network element layout management) is removed with the physical resource management to general headquarters and is virtualized network element Except generation, it should configure and network topological information needed for manage and dispatch switching network.Level-one MANO (network element layout management) is grasped NFVI physical source distributing and occupancy situation where all second level MANO (network element layout management).Second level MANO (network element layout Management) connection is kept between level-one MANO (network element layout management) by the way of regularly sending heartbeat data.Second level MANO (network element layout management) should be by the occupancy of itself current NFVI and surplus resources situation periodically to level-one MANO (network element layout pipe Reason) it sends.
Due to being physically isolated between administrative exchange network and scheduling exchange network network, so when scheduling exchange network breaks down nothing Method is in use, need to provide scheduling using the network that NFV function rapid build has dispatch control function in administrative exchange network Related service.
Explaining in detail for step 2 is described as follows, after receiving the new switching network request of rapid build, according to the following steps fastly Speed constructs new communicating network:
Level-one MANO (network element layout management) checks the occupation condition assessment of each second level MANO (network element layout management) The resource situation of network struction.Insufficient second level MANO (network element layout management) remaining for physical resource, level-one MANO (network element Layout management) it should indicate MANO (network element layout management) the release physical resource, guarantee have the building of enough physical resources new Exchange network.In this course, level-one (network element layout management) can assess the time of new network struction；
Level-one MANO (network element layout management) assigns virtual scheduling switching network IMS to second level MANO (network element layout management) (IP is to media subsystem) respectively controls the generation instruction of network element, and issues the configuration information of network topology.Second level MANO (compile by network element Comb reason) receive instruction after, according to the standardization process that NFV network element and example generate, generate the virtual scheduling exchange of each province IMS (IP is to media subsystem) each network element is netted, and according to network topology configuration requirement in each IMS (IP is to media subsystem) network element Upper configuration routing and interface message.Second level MANO (network element layout management) control generates virtual scheduling switching network IMS, and (IP is to media Subsystem) after network element, it should be fed back to level-one MANO (network element layout management) and generate situation.
Level-one MANO (network element layout management) should be indicated while assigning instruction to second level MANO (network element layout management) The VNF (Virtual NE) and NFVI of itself generate Dispatch and Command Center of general headquarters void according to the standardization process of managed network element and example Quasi-ization scheduling exchange network IMS (IP is to media subsystem) each network element, and on each network element configure each province network topological information.Together When, level-one MANO (network element layout management) answers configuration schedules switching network service server (AS) network element template.Generating IMS (IP To media subsystem) after each network element, level-one MANO (network element layout management) should generate scheduling exchange network according to NFV normal process Business AS provides grouping, tolls breakdown, intrusion, the functions such as telephonograph.
According to above step, connection is formed between each province virtual scheduling switching network (IP is to media subsystem) network element.General headquarters Unified to provide scheduling exchange network service server, virtual scheduling switching network IMS (IP is to media subsystem) network element access in each province's is adjusted It spends switching network service server and uses scheduling business.
Embodiment 2
A kind of switching network rapid build system, including request module and building module；
Request module is used for when scheduling exchange network breaks down, and the request for issuing the second switching network of building is netted to backup；
It constructs module and is used for the backup net according to the request of scheduling exchange network, network function is utilized to virtualize skill Art, in the second switching network of the online building of backup；
The scheduling exchange network and the backup net are stelliform connection topology configuration；
The central node of the corresponding backup net of level-one network element layout management, network function in the network function virtualization technology The partial node of the corresponding backup net of second level network element layout management in virtualization technology.
Building module includes assessment unit, assigns command unit, instantiating unit, generates the second switching network service server Unit, own resource assessment unit and itself network element instantiating unit；
Assessment unit assesses the occupation condition of backup net partial node for backing up net central node；
Command unit is assigned for based on the assessment as a result, the backup net central node is to the backup net merogenesis Point assigns the second switching network IMS network element and generates instruction, and issues the network topology configuration information of the second switching network；
Instantiating unit receives the instruction that the backup net central node issues for the backup net partial node, utilizes net Network virtualization of function technology instantiates network element, generates each IMS network element of the second switching network in each area；Generate the second switching network Service server unit: after generating for the IMS network element, the backup net central node virtualizes skill using network function Art generates the second switching network service server；
The own resource assessment unit is assigning instruction to backup net partial node for the backup net central node Meanwhile the occupation condition of itself is assessed；
Itself network element instantiating unit for the backup net central node according to itself occupation condition, it is sharp It indicates that itself network element is instantiated with network function virtualization technology, generates the second switching network IMS network element, and configure second and hand over The second switching network service server network element template of network topological information and configuration on each network element of draping.
Assessment unit includes analysis subelement；
The analysis subelement is for analyzing when the partial node resources left abundance, under backup net central node is direct Instruction is generated up to the second exchange network element；
When the backup net partial node is remaining insufficient, backup net central node indicates the backup net partial node releaser Resource is managed, constructs the physical resource for setting up the second switching network until meeting.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more, The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.
The above is only the embodiment of the present invention, are not intended to restrict the invention, all in the spirit and principles in the present invention Within, any modification, equivalent substitution, improvement and etc. done, be all contained in apply pending scope of the presently claimed invention it It is interior.

Claims (10)

1. a kind of switching network construction method, which is characterized in that the described method includes:
When scheduling exchange network breaks down, scheduling exchange network is netted to backup issues the networking for realizing the dispatching exchange network service Request；
The backup net is requested according to the networking, the physical equipment for replacing dispatching exchange online using the network element of virtualization, The second switching network of the online building of backup；
The scheduling exchange network and the backup net are stelliform connection topology configuration；
The central node of the corresponding backup net of level-one network element layout management, network function are virtual in the network function virtualization technology The partial node of the corresponding backup net of second level network element layout management in change technology.
2. a kind of switching network construction method as described in claim 1, which is characterized in that the backup net is asked according to the networking It asks, the physical equipment for replacing dispatching exchange online using the network element of virtualization, in the second switching network of the online building of backup, packet It includes:
Backup net central node assesses the occupation condition of backup net partial node；
It is based on the assessment as a result, the backup net central node assigns the second switching network IMS to the backup net partial node Network element generates instruction, and issues the network topology configuration information of the second switching network；
The backup net partial node receives the instruction that the backup net central node issues, will using network function virtualization technology Network element is instantiated, and each IMS network element of the second switching network in each area is generated；
After the IMS network element generates, the backup net central node generates the second exchange using network function virtualization technology Network service server.
3. a kind of switching network construction method as claimed in claim 2, which is characterized in that the second switching network for generating each area is each After IMS network element further include:
Using network function virtualization technology, require to match on each IMS network element according to the second exchange network topology configuration information Routing and information interface are set, and is fed back to backup net central node and generates situation.
4. a kind of switching network construction method as claimed in claim 2, which is characterized in that described
It is based on the assessment as a result, the backup net central node assigns the second switching network IMS to the backup net partial node Network element generates instruction
When the partial node resources left abundance, backup net central node directly assigns the second exchange network element and generates instruction；
When the backup net partial node is remaining insufficient, backup net central node indicates the backup net partial node release physical money Source constructs the physical resource for setting up the second switching network until meeting.
5. a kind of switching network construction method stated such as claim 2, which is characterized in that the backup net is asked according to the networking It asks, using network function virtualization technology, in the second switching network of the online building of backup further include:
The backup net central node carries out the occupation condition of itself while assigning instruction to backup net partial node Assessment；
The backup net central node indicates itself net using network function virtualization technology according to itself occupation condition Member is instantiated, and the second switching network IMS network element is generated, and is configured the network topological information on each network element of the second switching network and matched Set the second switching network service server network element template.
6. a kind of switching network construction method stated such as claim 5, which is characterized in that described standby after the IMS network element generates Part net central node generates the second switching network service server using network function virtualization technology
Based on the generation of IMS network element, the backup net central node is by the second switching network service server network element of the configuration Template is instantiated, and the second switching network service server is generated.
7. a kind of switching network constructs system characterized by comprising
Request module: for netting the request for issuing the second switching network of building to backup when scheduling exchange network breaks down；
It constructs module: for the backup net according to the request of scheduling exchange network, replacing scheduling using using the network element of virtualization Physical equipment on switching network, in the second switching network of the online building of backup；
The scheduling exchange network and the backup net are stelliform connection topology configuration；
The central node of the corresponding backup net of level-one network element layout management, network function are virtual in the network function virtualization technology The partial node of the corresponding backup net of second level network element layout management in change technology.
8. a kind of switching network as claimed in claim 7 constructs system, which is characterized in that the building module includes:
Assessment unit: the occupation condition of backup net partial node is assessed for backing up net central node；
Assign command unit: for based on the assessment as a result, the backup net central node is to the backup net partial node It assigns the second switching network IMS network element and generates instruction, and issue the network topology configuration information of the second switching network；
Instantiating unit: the instruction that the backup net central node issues is received for the backup net partial node, utilizes network Virtualization of function technology instantiates network element, generates each IMS network element of the second switching network in each area；
Generate the second switching network service server unit: after being generated for the IMS network element, the backup net central node benefit The second switching network service server is generated with network function virtualization technology.
9. a kind of switching network as claimed in claim 8 constructs system, which is characterized in that the assessment unit includes assigning generation Instruct subelement；
For the generation instruction subelement of assigning for analyzing when the partial node resources left abundance, backup net central node is straight It connects and assigns the generation instruction of the second exchange network element；
When the backup net partial node is remaining insufficient, backup net central node indicates the backup net partial node release physical money Source constructs the physical resource for setting up the second switching network until meeting.
10. a kind of switching network as claimed in claim 8 constructs system, which is characterized in that the building module further include: itself Stock assessment unit and itself network element instantiating unit；
The own resource assessment unit is used for the backup net central node while assigning instruction to backup net partial node, The occupation condition of itself is assessed；
Itself network element instantiating unit, according to itself occupation condition, utilizes net for the backup net central node Network virtualization of function technical indication itself network element is instantiated, and generates the second switching network IMS network element, and configure the second switching network The second switching network service server network element template of network topological information and configuration on each network element.
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