CN106470142B - The self-service generation method of virtual network topology and system - Google Patents
The self-service generation method of virtual network topology and system Download PDFInfo
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Abstract
The present invention discloses a kind of self-service generation method of virtual network topology and system.Wherein for network controller after detecting that user terminal logs in, detection currently whether there is the virtual network topology resource of associated user, and network controller will test result and be sent to user terminal.If the virtual network topology resource of associated user is not present in testing result instruction network controller, user terminal further judges whether associated user has the right self-service application virtual network topology.The self-service application virtual network topology if associated user has the right, user terminal generate virtual network topology according to the virtual network topology resource allocation result that network controller is fed back from network controller application virtual network topology resource, user terminal.The present invention, which passes through, nets possessed network virtualization ability using transmission SDN, a virtual network topology is provided for each user, so that user can carry out virtual network topology adjustment according to their needs.
Description
Technical field
The present invention relates to the communications field, in particular to the self-service generation method of a kind of virtual network topology and system.
Background technique
SDN (Software Defined Network, software defined network) is current communication and IT (Information
Technology, information technology) field one of hot spot technology.SDN is a kind of novel network architecture, its core concept is
Network-based control plane and data forwarding plane into row separate, to realize the programmable software control to Internet resources.
SDN framework be suitable for different types of network, including Ethernet, IP (Internet Protocol, Internet protocol) net and
OTN (Optical Transport Network, optical transfer network) etc..After SDN theory is applied to transmission network, it can improve
For transmission net in end-to-end networking capability multi-vendor, under multi-domain environment, that improves teleservice opens speed and network operation
Efficiency enhances the business innovation ability and opening of transmission net.
Using network virtualization ability possessed by transmission SDN, virtual biography can be provided for government and enterprise customers, virtual operator
Network service (Virtual Transport Service, referred to as: VTS) is sent, the dedicated transmission net of oneself is possessed similar to client,
As shown in Figure 1.Client can be controlled and be managed oneself virtual transmission net by customer controller, including connection routing, protection are extensive
The functions such as multiple, connection foundation/deletion/modification/inquiry.Customer network by providing customization for client controls and management energy
Power improves customer experience, and the increase of income is brought for operator.
In order to realize virtual transmission network service, the generation of user's virtual network topology and pipe in transmission SDN network
Reason is one of key technology.There are mainly two types of technic relization schemes at present:
1) preparatory programme: operator flows to matrix according to the service traffics that user proposes, using manual type in net
The virtual network topology of the client is generated on pipe or controller.If the demand of user changes, user need to notify to transport first
Quotient is sought, operator again modifies to the virtual network topology of client.That there are flexibilities is poor for the program, the topology adjustment response time
The problems such as long.
2) dynamic implement scheme: using based on GMPLS (Generalized Multiprotocol Label
Switching, general multiple protocols mark exchange agreement) nested LSP (Label Switched Path, label switched path)
Mechanism, when client layer LSP cannot establish connection due to service layer's resource shortage, dynamic is established or the LSP of adjustment service layer connects
It connects, to form the virtual network topology of customer side.The program realizes that there are network topology moneys based on GMPLS distributed signaling
The problems such as source poor controllability, complicated technology realization.
Summary of the invention
The embodiment of the present invention provides a kind of self-service generation method of virtual network topology and system.By utilizing transmission SDN net
Possessed network virtualization ability provides a virtual network topology for each user, so that user can be according to their needs
Carry out virtual network topology adjustment.
According to an aspect of the present invention, a kind of self-service generation method of virtual network topology is provided, comprising:
Network controller after detecting that user terminal logs in, currently open up with the presence or absence of the virtual network of associated user by detection
Flutter resource；
Network controller will test result and be sent to user terminal；
If testing result indicates the virtual network topology resource that associated user is not present in network controller, user terminal
Further judge whether associated user has the right self-service application virtual network topology；
The self-service application virtual network topology if associated user has the right, user terminal is from network controller application virtual network
Topology resource；
User terminal generates virtual network topology according to the virtual network topology resource allocation result that network controller is fed back.
In one embodiment, user terminal includes: from the step of network controller application virtual network topology resource
User terminal sends network node information solicited message to network controller；
Network controller inquires the whole network nodal information according to network node information solicited message in routing database, and
Query result is fed back into user terminal；
Selection of the user terminal according to associated user in the whole network nodal information sends virtual network to network controller and opens up
Flutter resource request；
Network controller carries out respective fictional network topology according to virtual network topology resource request in routing database
The reserved of resource, distribution, modification and/or delete operation；
The allocation result of virtual network topology resource is fed back to user terminal by network controller.
In one embodiment, virtual network topology resource request is flanked including increasing virtual network node, increasing client
Mouth increases inter-connection links, deletion of node, deletes client side interface, deletes inter-connection links, modification inter-connection links.
In one embodiment, if associated user haves no right self-service application virtual network topology, user terminal shows mistake
Information.
In one embodiment, if there are the virtual network topology of associated user moneys in testing result instruction network controller
Source, then user terminal further judges whether itself preserves the virtual network topology of associated user；
If itself preserving the virtual network topology of associated user, the respective fictional network that user terminal display saves is opened up
It flutters；
If itself not preserving the virtual network topology of associated user, user terminal carries out Topology Discovery processing.
According to another aspect of the present invention, a kind of self-service generation system of virtual network topology, including network controller are provided
And user terminal, in which:
Network controller, for after detecting that user terminal logs in, detection to be currently with the presence or absence of the virtual of associated user
Network topology resource will test result and be sent to user terminal；Virtual network topology resource is fed back according to the application of user terminal
Allocation result；
User terminal is used for logging in network controller, the inspection result that network controller is sent is received, if testing result refers to
Show the virtual network topology resource that associated user is not present in network controller, then further judges whether associated user has the right certainly
Application virtual network topology is helped, the self-service application virtual network topology if associated user has the right is virtual from network controller application
Network topology resource generates virtual network topology according to the virtual network topology resource allocation result of network controller feedback.
In one embodiment, user terminal specifically sends network node information solicited message to network controller；It utilizes
The query result of network controller feedback is sent according to selection of the associated user in the whole network nodal information to network controller
Virtual network topology resource request；
Network controller inquires the whole network node letter with specific reference to network node information solicited message in routing database
Breath, and query result is fed back into user terminal；According to the virtual network topology resource request that user terminal is sent, in routing number
According to the reserved of respective fictional network topology resource, distribution, modification and/or delete operation is carried out in library, virtual network topology is provided
The allocation result in source feeds back to user terminal.
In one embodiment, virtual network topology resource request is flanked including increasing virtual network node, increasing client
Mouth increases inter-connection links, deletion of node, deletes client side interface, deletes inter-connection links, modification inter-connection links.
In one embodiment, user terminal is also used to when associated user haves no right self-service application virtual network topology, is shown
Show error message.
In one embodiment, user terminal is also used to indicate that there are associated user's in network controller in testing result
When virtual network topology resource, further judge whether itself preserves the virtual network topology of associated user, if itself is saved
There is the virtual network topology of associated user, then the respective fictional network topology of preservation is shown, if itself does not preserve associated user
Virtual network topology, then carry out Topology Discovery processing.
The present invention is by providing a virtual network for each user using network virtualization ability possessed by transmission net
Topology effectively prevents existing for prior art so that user can carry out virtual network topology adjustment according to their needs
The problems such as flexibility is poor, realization is complicated, controllability and safety are poor.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of virtual transmission network service one embodiment.
Fig. 2 is the schematic diagram of the self-service generation method one embodiment of virtual network topology of the present invention.
Fig. 3 is virtual network topology initialization process schematic diagram of the present invention.
Fig. 4 is inventive network topology resource classification schematic diagram.
Fig. 5 is the self-service product process schematic diagram of virtual network topology of the present invention.
Fig. 6 is the schematic diagram of the self-service generation system one embodiment of virtual network topology of the present invention.
Fig. 7 is the schematic diagram that the present invention applies one embodiment.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Fig. 2 is the schematic diagram of the self-service generation method one embodiment of virtual network topology of the present invention.As shown in Fig. 2, this reality
The method and step for applying example includes:
Step 201, for network controller after detecting that user terminal logs in, detection currently whether there is the void of associated user
Quasi- network topology resource.
Step 202, network controller will test result and be sent to user terminal.
Step 203, if the virtual network topology resource of associated user is not present in testing result instruction network controller,
User terminal further judges whether associated user has the right self-service application virtual network topology.
Step 204, the self-service application virtual network topology if associated user has the right, user terminal is from network controller application
Virtual network topology resource.
Step 205, user terminal generates virtual according to the virtual network topology resource allocation result that network controller is fed back
Network topology.
Based on the self-service generation method of virtual network topology that the above embodiment of the present invention provides, by being had using transmission net
Some network virtualization abilities provide a virtual network topology for each user, so that user can carry out according to their needs
Virtual network topology adjustment effectively prevents poor flexibility existing for prior art, realization complexity, controllability and safety
The problems such as poor.
VTS business needs support generation/modification/deletion mode of following two user's virtual network topology:
1) operator and user negotiate the topology and Internet resources of virtual network in advance, and carry out resource point on the controller
Match, user cannot pass through the self-service generation/modification/deletion network topology of APP and resource.
2) user passes through the topology and Internet resources of the self-service application virtual network of APP, and can be according to the variation of business demand
Situation carries out the adjustment of virtual network topology, such as increase/deletion of node and link.
In order to distinguish the generating mode of both the above virtual network topology, network controller is needed support shown in Fig. 3
User's virtual network topology initialization process.Indicate that user virtually opens up using TopologyStatus attribute in the process
Flutter state, value are as follows:
True: indicate that there are the virtual network topology resources of the user in controller.
False: indicate there is no the virtual network topology resource of the user in controller.
Fig. 3 is virtual network topology initialization process schematic diagram of the present invention.It is as shown in Figure 3:
Step 301, user terminal logging in network controller.
Step 302, network controller detection currently whether there is the virtual network topology resource of associated user.If currently depositing
In the virtual network topology resource of associated user, then TopologyStatus=True is returned to user terminal, and execute step
306；If returning to TopologyStatus=to user terminal there is currently no the virtual network topology resource of associated user
False, and execute step 303.
Step 303, user terminal further judges whether associated user has the right self-service application virtual network topology.If related
User has the right self-service application virtual network topology, thens follow the steps 304；It is opened up if associated user haves no right self-service application virtual network
It flutters, thens follow the steps 305.
Step 304, user terminal enters the self-service application process of virtual network topology, so as to virtual from network controller application
Network topology resource.Other steps of the present embodiment are no longer executed later.
Step 305, error message, such as " no virtual topology " are shown.Other steps of the present embodiment are no longer executed later.
Step 306, user terminal further judges whether itself preserves the virtual network topology of associated user.If itself
The virtual network topology for preserving associated user, thens follow the steps 307；If the virtual network that itself does not preserve associated user is opened up
It flutters, thens follow the steps 308.
Step 307, the respective fictional network topology that user terminal display saves.The other of the present embodiment are no longer executed later
Step.
Step 308, user terminal enters Topology Discovery process.
Since Topology Discovery process is that those skilled in the art are understood, it is not unfolded to describe here.
Network topology resource is divided into two class of carrier network topology and user's virtual network topology by network controller, is such as schemed
Shown in 4:
1) carrier network topology: the topology resource comprising entire operator's real network can be dynamically allocated
To the virtual network topology of user.
2) user's virtual network topology: distributing to the virtual network topology resource of specific user, and each user possesses one
Virtual network topology.User can be adjusted its virtual network topology and related resource according to the variation of business demand.
The user terminal that above-mentioned steps 204 are related to can be wrapped from the step of network controller application virtual network topology resource
It includes:
User terminal sends network node information solicited message to network controller first.Network controller is according to network section
Point information request information, inquires the whole network nodal information, and query result is fed back to user terminal in routing database.
Selection of the user terminal according to associated user in the whole network nodal information sends virtual network to network controller and opens up
Resource request is flutterred, network controller carries out respective fictional network according to virtual network topology resource request in routing database
The reserved of topology resource, distribution, modification and/or delete operation, network controller is by the allocation result of virtual network topology resource
Feed back to user terminal.
Preferably, virtual network topology resource request includes increasing virtual network node, increasing client side interface, increase mutually
Join link, deletion of node, delete client side interface, delete inter-connection links, modification inter-connection links etc..
The self-service product process of virtual network topology is illustrated below by a specific example, as shown in Figure 5.Accordingly
Describing mode are as follows:
Request message parameter: parameter included by the request message that expression user terminal is sent to controller.
Response message parameter: the parameter for the response message that controller is sent to user terminal is indicated.
Operating space: the targeted network topology type of the operation is indicated.
Step 501, user terminal sends network node information request to network controller.That is the whole network querying node, accordingly
Parameter are as follows:
Request message parameter: node
Response message parameter: Provider network node title
Operating space: carrier network topology
Step 502, network controller sends network node information response to user terminal.
Step 503, user terminal sends selection network node request, i.e. increase virtual network node to network controller.
User is as needed, and several virtual network topology nodes, relevant parameter are selected from the whole network node are as follows:
Request message parameter: Provider network node title
Response message parameter: node ID, operator node title, client node title, location information
Operating space: virtual network topology
Step 504, network controller sends selection network node confirmation message to user terminal.
Step 505, user terminal sends client side interface resource request to network controller.Increase client side interface,
Relevant parameter are as follows:
Request message parameter: client side interface type, interface quantity
Response message parameter: node ID, interface ID, interface name, client side interface type
Operating space: virtual network topology
Step 506, network controller sends client side interface resource response to user terminal.
Step 507, user terminal sends inter-connection links resource request to network controller.Increase inter-connection links, accordingly
Parameter are as follows:
Request message parameter: source/destination node ID, required OUDk type, link bandwidth, protection type etc.
Response message parameter: source/destination node ID, OUDk type, link available bandwidth, protection type etc.
Operating space: virtual network topology
Wherein, network controller is the link circuit resource bandwidth that is as continuous as possible, and can be provided that user terminal is reserved
The bandwidth that should be greater than or requested equal to user.For example, user's bandwidth on demand is 2G, since the bandwidth granularity of OTN network is
1.25G, therefore it will not be exactly 2G that network controller, which is the bandwidth that user provides, network controller is user in this case
The bandwidth of offer will be greater than the bandwidth of user's request, such as 2.5G.
Step 508, network controller sends inter-connection links resource response to user terminal.
In addition, also respective fictional network topology resource can be carried out by interacting between user terminal and network controller
Management.Such as:
Deletion of node:
The relevant parameter being related to are as follows:
Request message parameter: node ID
Response message parameter: success/failure
Operating space: virtual network topology
Delete client side interface:
The relevant parameter being related to are as follows:
Request message parameter: node ID, client side interface ID
Response message parameter: success/failure
Operating space: virtual network topology
Delete inter-connection links:
The relevant parameter being related to are as follows:
Request message parameter: source/destination node ID, source/place interface ID
Response message parameter: success/failure
Operating space: virtual network topology
Modify inter-connection links:
The relevant parameter being related to are as follows:
Request message parameter: source/destination node ID, source/place interface ID, ODUk type, link bandwidth, protection type
Response message parameter: source/destination node ID, source/place interface ID, ODUk type, link available bandwidth, protection type
Operating space: virtual network topology
Fig. 6 is the schematic diagram of the self-service generation system one embodiment of virtual network topology of the present invention.Shown in Fig. 6, the system
It may include network controller 601 and user terminal 602.Wherein:
Network controller 601, for after detecting that user terminal 602 logs in, detection currently to whether there is associated user
Virtual network topology resource, will test result and be sent to user terminal 602；It is virtual according to the application of user terminal 602 feedback
Network topology resource allocation result.
User terminal 602 is used for logging in network controller 601, receives the inspection result that network controller 601 is sent, if
Testing result indicates the virtual network topology resource that associated user is not present in network controller 601, then further judgement is related
Whether user has the right self-service application virtual network topology, the self-service application virtual network topology if associated user has the right, from network
Controller 601 applies for virtual network topology resource, the virtual network topology resource allocation result fed back according to network controller 601
Generate virtual network topology.
Preferably, user terminal 602 specifically sends network node information solicited message to network controller 601；Utilize net
The query result that network controller 601 is fed back, according to selection of the associated user in the whole network nodal information, to network controller 601
Send virtual network topology resource request.
Network controller 601 inquires the whole network node with specific reference to network node information solicited message in routing database
Information, and query result is fed back into user terminal；According to user terminal 602 send virtual network topology resource request,
The reserved of respective fictional network topology resource, distribution, modification and/or delete operation are carried out in routing database, by virtual network
The allocation result of topology resource feeds back to user terminal 602.
Preferably, virtual network topology resource request includes increasing virtual network node, increasing client side interface, increase mutually
Join link, deletion of node, deletes client side interface, deletes inter-connection links, modification inter-connection links.
Preferably, user terminal 602 is also used to when associated user haves no right self-service application virtual network topology, shows mistake
Information.
Preferably, user terminal 602 is also used to indicate that there are the void of associated user in network controller 601 in testing result
When quasi- network topology resource, further judge whether itself preserves the virtual network topology of associated user, if itself is preserved
The virtual network topology of associated user then shows the respective fictional network topology of preservation, if itself does not preserve associated user's
Virtual network topology then carries out Topology Discovery processing.
By using the present invention, it can satisfy transmission net and the demand of virtual network service be provided.For example, proposed by the present invention
Technical solution has been used to the BoD and virtual transmission network service based on software definition optical-fiber network (SDON) of our unit's independent development
(VTS) among exploitation.In scheme shown in Fig. 7, the api interface between multiple domain controller and BoD/VTS APP is used
The self-service generting machanism of virtual network topology proposed by the present invention.
Specific implementation is described as follows:
1) it initializes
After user logs in APP, APP initiates initialization requests to controller.Response message includes that whether there is in controller
Whether the virtual network topology resource of the user, the user have the right to carry out generation/modification/deletion of topology and user's signing
Type of service.
【request】
| GET/rest/json/topOLOGY_API/TopologyAttribute HTTP/1.x |
【response】
Verification result: there are the virtual network topology resources of the user in controller.
In the following description, TOPOLOGY_API indicates that the virtual network topology of user, controller pass through HTTP message
User identification mechanism distinguish different users.OPERATOR_TOPOLOGY_API indicates the real network topology of operator.
2) the whole network querying node
APP sends network node information request message to controller, and controller responds the whole network nodal information, message to APP
Parameter includes operator node title.
【request】
| GET/rest/json/OPERATOR_topOLOGY_API/vertex HTTP/1.x |
【response】
3) network node selection (increasing node)
User selects several VTS nodes from the whole network node as needed, is sent to controller, and controller returns to confirmation letter
Breath.The interface APP confirms node.
Request message parameter: operator node title
Response message parameter: node ID, operator node title, client node title (initial title and operator node
Title is identical), location information
【request】
【response】
4) client side interface selection (increasing client side interface)
Request message parameter: interface type, client side interface type
Response message parameter: node ID, interface ID, interface name (initial entitled "-"), interface type, client flank
Mouth type
【request】
【response】
5) inter-connection links request (increasing inter-connection links)
APP to controller send inter-connection links resource request, message parameter include source/destination node ID, required ODUk type,
Link bandwidth, protection type etc., controller returns to corresponding confirmation message.
Wherein, network controller is the link circuit resource bandwidth that is as continuous as possible, and can be provided that user terminal is reserved
More than or equal to the bandwidth of user's request.
【request】
【response】
6) deletion of node
Request message parameter: node ID
Response message parameter: success/failure
【request】
| DELETE/rest/json/topOLOGY_API/vertex/10.10.10.1 |
【response】
| HTTP/1.x 200 OK |
7) client side interface is deleted
Request message parameter: node ID, client side interface ID
Response message parameter: success/failure
【request】
| DELETE/rest/json/topOLOGY_API/vertex/10.10.10.1/end/0.244.8.1 |
【response】
| HTTP/1.x 200 OK |
8) inter-connection links are deleted
Request message parameter: Edge ID
Response message parameter: success/failure
【request】
【response】
| HTTP/1.x 200 OK |
9) inter-connection links are modified
Request message parameter: Edge ID, link bandwidth, ODUk type protect type response message parameter: with interconnection chain
Road request is identical
【request】
【response】
10) virtual network nodename is modified
Request message parameter: nodename
Response message parameter: success/failure
【request】
【response】
| HTTP/1.x 200 OK |
11) interface name is modified
Request message parameter: interface name
Response message parameter: success/failure
【request】
【response】
| HTTP/1.x 200 OK |
By applying the present invention, it is available following the utility model has the advantages that
1. may be implemented to provide transmission network service similar to the mode of cloud computing, user can root by using the present invention
According to virtual network topology resource needed for business demand online self-service application, service response speed is improved, realizes transmission network service
Interconnection networking operation.
2. operator passes through the control strategy that concentration is arranged on the controller, monitoring and permission control to user behavior are realized
System, improves the controllability and safety of network.While realizing user self-help log on resource, and operation will not be exposed
The topology resource information of quotient's network.
3. use technical solution proposed by the present invention, can it is poor to avoid flexibility existing for prior art, realize answer
The problems such as miscellaneous, poor controllability.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
Description of the invention is given for the purpose of illustration and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
The solution present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (6)
1. a kind of self-service generation method of virtual network topology characterized by comprising
After detecting that user terminal logs in, detection is currently provided with the presence or absence of the virtual network topology of associated user network controller
Source；
Network controller will test result and be sent to user terminal；
If the virtual network topology resource of associated user is not present in testing result instruction network controller, user terminal is into one
Step judges whether associated user has the right self-service application virtual network topology；
The self-service application virtual network topology if associated user has the right, user terminal is from network controller application virtual network topology
Resource；
User terminal generates virtual network topology according to the virtual network topology resource allocation result that network controller is fed back；
If testing result indicates in network controller that user terminal is further there are the virtual network topology resource of associated user
Judge whether itself preserves the virtual network topology of associated user；
If itself preserving the virtual network topology of associated user, the respective fictional network topology of user terminal display preservation；
If itself not preserving the virtual network topology of associated user, user terminal carries out Topology Discovery processing；
Wherein, user terminal includes: from the step of network controller application virtual network topology resource
User terminal sends network node information solicited message to network controller；
Network controller inquires the whole network nodal information according to network node information solicited message in routing database, and will look into
It askes result and feeds back to user terminal；
Selection of the user terminal according to associated user in the whole network nodal information sends virtual network topology money to network controller
Source request；
Network controller carries out respective fictional network topology resource according to virtual network topology resource request in routing database
Reserved, distribution, modification and/or delete operation；
The allocation result of virtual network topology resource is fed back to user terminal by network controller.
2. the method according to claim 1, wherein
Virtual network topology resource request includes increasing virtual network node, increasing client side interface, increase inter-connection links, delete
Node deletes client side interface, deletes inter-connection links, modification inter-connection links.
3. method described in any one of -2 according to claim 1, which is characterized in that
If associated user haves no right self-service application virtual network topology, user terminal shows error message.
4. a kind of self-service generation system of virtual network topology, which is characterized in that including network controller and user terminal, in which:
Network controller, for after detecting that user terminal logs in, detection currently to whether there is the virtual network of associated user
Topology resource will test result and be sent to user terminal；Virtual network topology resource allocation is fed back according to the application of user terminal
As a result；Wherein according to network node information solicited message, the whole network nodal information is inquired in routing database, and by query result
Feed back to user terminal；According to the virtual network topology resource request that user terminal is sent, carried out in routing database related
The reserved of virtual network topology resource, distribution, modification and/or delete operation, the allocation result of virtual network topology resource is anti-
It feeds user terminal；
User terminal is used for logging in network controller, receives the inspection result that network controller is sent, if testing result indicates net
The virtual network topology resource of associated user is not present in network controller, then further judges whether associated user has the right self-service Shen
Please virtual network topology, the self-service application virtual network topology if associated user has the right, from network controller application virtual network
Topology resource, wherein network node information solicited message is sent to network controller, the inquiry knot fed back using network controller
Fruit sends virtual network topology resource request to network controller according to selection of the associated user in the whole network nodal information；Root
Virtual network topology is generated according to the virtual network topology resource allocation result of network controller feedback；It is also used to refer in testing result
Show in network controller there are when the virtual network topology resource of associated user, further judges whether itself preserves related use
The virtual network topology at family shows the respective fictional network of preservation if itself preserving the virtual network topology of associated user
Topology carries out Topology Discovery processing if itself does not preserve the virtual network topology of associated user.
5. system according to claim 4, which is characterized in that
Virtual network topology resource request includes increasing virtual network node, increasing client side interface, increase inter-connection links, delete
Node deletes client side interface, deletes inter-connection links, modification inter-connection links.
6. the system according to any one of claim 4-5, which is characterized in that
User terminal is also used to when associated user haves no right self-service application virtual network topology, shows error message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109428824B (en) * | 2017-08-28 | 2021-09-17 | 中国电信股份有限公司 | Host topology generation method and system |
| CN111131350B (en) * | 2018-10-31 | 2022-07-22 | 中国移动通信有限公司研究院 | End-to-end connection establishment method and controller |
| CN109474482A (en) * | 2018-12-28 | 2019-03-15 | 北京邮电大学 | A kind of network establishing method and system of actual situation extension |
| CN110365017B (en) * | 2019-08-06 | 2022-12-13 | 山东科汇电力自动化股份有限公司 | Power distribution terminal topology network generation method applied to medium and low voltage distribution network |
| CN110932898B (en) * | 2019-11-27 | 2022-06-10 | 云南电网有限责任公司电力科学研究院 | Intelligent network management system and method |
| CN113452567B (en) * | 2021-07-08 | 2022-08-23 | 安天科技集团股份有限公司 | Networking method and device, computing equipment and storage medium |
| CN114422518A (en) * | 2022-03-31 | 2022-04-29 | 北京奥星贝斯科技有限公司 | Method and device for requesting service |
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| US20040210623A1 (en) * | 2003-03-06 | 2004-10-21 | Aamer Hydrie | Virtual network topology generation |
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| WO2011144082A2 (en) * | 2011-05-25 | 2011-11-24 | 华为技术有限公司 | Route calculation method and master node device in virtual network element |
| CN104363159B (en) * | 2014-07-02 | 2018-04-06 | 北京邮电大学 | A kind of opening virtual network constructing system and method based on software defined network |
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| CN104270299A (en) * | 2014-10-17 | 2015-01-07 | 北京邮电大学 | Method and system for virtual network mapping |
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