CN106470142A - 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 PDF

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Publication number
CN106470142A
CN106470142A CN201510498421.6A CN201510498421A CN106470142A CN 106470142 A CN106470142 A CN 106470142A CN 201510498421 A CN201510498421 A CN 201510498421A CN 106470142 A CN106470142 A CN 106470142A
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China
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network topology
virtual network
user
user terminal
controller
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CN201510498421.6A
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Chinese (zh)
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CN106470142B (en
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荆瑞泉
杨玉森
张成良
李俊杰
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中国电信股份有限公司
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Abstract

The present invention discloses a kind of self-service generation method of virtual network topology and system.After user terminal login is detected, detection currently whether there is the virtual network topology resource of associated user to wherein network controller, and testing result is sent to user terminal by network controller.If testing result indicates there is not the virtual network topology resource of associated user in network controller, user terminal determines whether 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 generates virtual network topology from network controller application virtual network topology resource, user terminal according to the virtual network topology resource allocation result that network controller feeds back.The present invention, by using the had network virtualization ability of transmission SDN net, provides a virtual network topology for each user, thus user can carry out virtual network topology adjustment according to their needs.

Description

The self-service generation method of virtual network topology and system
Technical field
The present invention relates to the communications field, particularly to a kind of self-service generation method of virtual network topology And system.
Background technology
SDN (Software Defined Network, software defined network) be current communication and One of the hot spot technology in IT (Information Technology, information technology) field.SDN It is a kind of new network architecture, its core concept is that network-based control plane is put down with data forwarding The row that face is entered separates, thus realize the programmable software to Internet resources controlling.SDN framework It is applied to different types of network, including Ethernet, IP (Internet Protocol, the Internet Agreement) net and OTN (Optical Transport Network, optical transfer network) etc..By SDN After theory is applied to transmission network, end under multi-vendor, multi-domain environment for the transmission net can be improved and arrive End networking capability, that improves teleservice opens speed and network operation efficiency, strengthens transmission net Business innovation ability and opening.
Using the transmission network virtualization ability that has of SDN, can be government and enterprise customers, virtual Operator's offer virtual transmission network service (Virtual Transport Service, referred to as:VTS), Have the special transmission net of oneself similar to client, as shown in Figure 1.Client can be controlled by client Device controls and manages the virtual transmission net of oneself, including connection routing, protection recovery, connection establishment The functions such as/deletion/modification/inquiry.By providing for client the customer network customizing to control and managing Ability, improves customer experience, and brings the increase of income for operator.
In order to realize virtual transmission network service, user's virtual network in transmission SDN The generation of topology and management are one of key technologies.Mainly there are two kinds of technic relization schemes at present:
1) programme in advance:Operator flows to matrix according to the service traffics that user proposes, and adopts The virtual network topology of this client is generated with manual type on webmaster or controller.If user's Demand changes, and user need to notify operator first, and operator opens up to the virtual network of client again Flutter and modify.The program haves such problems as that very flexible, topology adjustment response time are 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 is due to service layer's resource When shortage can not set up connection, the dynamic LSP setting up or adjusting service layer connects, thus being formed The virtual network topology of customer side.The program is based on GMPLS distributed signaling and realizes, and there is net The problems such as network topology resource poor controllability, complicated technology realization.
Content of the invention
The embodiment of the present invention provides a kind of self-service generation method of virtual network topology and system.By profit With the had network virtualization ability of transmission SDN net, provide a virtual net for each user Network topology, thus user can carry out virtual network topology adjustment according to their needs.
According to an aspect of the present invention, provide a kind of virtual network topology self-service generation method, bag Include:
After user terminal login is detected, detection currently whether there is associated user to network controller Virtual network topology resource;
Testing result is sent to user terminal by network controller;
If testing result indicates the virtual network topology money that there is not associated user in network controller Source, then user terminal determine whether 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 according to the virtual network topology resource allocation result that network controller feeds back Virtual network topology.
In one embodiment, user terminal is from network controller application virtual network topology resource Step includes:
User terminal sends network node information solicited message to network controller;
Network controller, according to network node information solicited message, inquires about the whole network in routing database Nodal information, and Query Result is fed back to user terminal;
User terminal selection in the whole network nodal information according to associated user, sends out to network controller Send virtual network topology resource request;
Network controller, according to virtual network topology resource request, carries out correlation in routing database The reserved, distribution of virtual network topology resource, modification and/or deletion action;
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 include increase virtual network node, Increase client side interface, increase inter-connection links, deletion of node, delete client side interface, delete mutually Connection link, modification inter-connection links.
In one embodiment, if associated user haves no right self-service application virtual network topology, user Terminal shows error message.
In one embodiment, if testing result indicates the void that there is associated user in network controller Intend network topology resource, then user terminal determines whether whether itself preserves the void of associated user Intend network topology;
If itself preserving the virtual network topology of associated user, the phase that user terminal displays preserve Close virtual network topology;
If itself not preserving the virtual network topology of associated user, user terminal carries out topology and sends out Now process.
According to a further aspect in the invention, provide a kind of virtual network topology self-service generation system, bag Include network controller and user terminal, wherein:
Network controller, for, after user terminal login is detected, detection currently whether there is phase Close the virtual network topology resource of user, testing result is sent to user terminal;According to user eventually The application feedback virtual network topology resource allocation result at end;
User terminal, for logging in network controller, receives the inspection result that network controller sends, If testing result indicates the virtual network topology resource that there is not associated user in network controller, Determine whether whether associated user has the right self-service application virtual network topology, if associated user has the right Self-service application virtual network topology, then from network controller application virtual network topology resource, according to The virtual network topology resource allocation result of network controller feedback generates virtual network topology.
In one embodiment, user terminal specifically sends network node information to network controller and asks Seek information;Using the Query Result of network controller feedback, believed in the whole network node according to associated user Selection in breath, sends virtual network topology resource request to network controller;
Network controller, with specific reference to network node information solicited message, is inquired about in routing database The whole network nodal information, and Query Result is fed back to user terminal;The void being sent according to user terminal Intend network topology resource request, routing database carries out the pre- of respective fictional network topology resource Stay, distribute, changing and/or deletion action, by the allocation result feedback of virtual network topology resource To user terminal.
In one embodiment, virtual network topology resource request include increase virtual network node, Increase client side interface, increase inter-connection links, deletion of node, delete client side interface, delete mutually Connection link, modification inter-connection links.
In one embodiment, user terminal is additionally operable to have no right self-service application virtual net in associated user During network topology, show error message.
In one embodiment, user terminal is additionally operable to deposit in testing result instruction network controller In the virtual network topology resource of associated user, determine whether itself whether to preserve related use The virtual network topology at family, if itself preserving the virtual network topology of associated user, display is protected The respective fictional network topology deposited, if itself not preserving the virtual network topology of associated user, Carry out Topology Discovery process.
The network virtualization ability that the present invention has by using transmission net, provides for each user One virtual network topology, thus user can carry out virtual network topology adjustment according to their needs, Effectively prevent the very flexible of prior art presence, realize complicated, controllability and safety The problems such as difference.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will The accompanying drawing of required use in embodiment or description of the prior art is briefly described it is clear that Ground, drawings in the following description are only some embodiments of the present invention, the common skill for this area For art personnel, without having to pay creative labor, can also be obtained according to these accompanying drawings Obtain other accompanying drawings.
Fig. 1 is the schematic diagram of virtual transmission one embodiment of network service.
Fig. 2 is the schematic diagram of virtual network topology of the present invention one embodiment of self-service generation method.
Fig. 3 initializes schematic flow sheet for virtual network topology of the present invention.
Fig. 4 is inventive network topology resource classification schematic diagram.
Fig. 5 is virtual network topology of the present invention self-service product process schematic diagram.
Fig. 6 is the schematic diagram of virtual network topology of the present invention self-service generation one embodiment of system.
Fig. 7 applies the schematic diagram of an embodiment for the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical scheme in the embodiment of the present invention It is clearly and completely described it is clear that described embodiment is only present invention part reality Apply example, rather than whole embodiments.Description at least one exemplary embodiment is real below It is merely illustrative on border, never as any limit to the present invention and its application or use System.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative labor The every other embodiment being obtained under the premise of dynamic, broadly falls into the scope of protection of the invention.
Unless specifically stated otherwise, the part otherwise illustrating in these embodiments and the phase of step Arrangement, numerical expression and numerical value are not limited the scope of the invention.
Simultaneously it should be appreciated that for the ease of description, the chi of the various pieces shown in accompanying drawing Very little is not to draw according to actual proportionate relationship.
May not make in detail for technology, method and apparatus known to person of ordinary skill in the relevant Thin discussion, but in the appropriate case, described technology, method and apparatus should be considered to authorize to be said A part for bright book.
In all examples with discussion shown here, any occurrence should be construed as merely Exemplary, not as restriction.Therefore, the other examples of exemplary embodiment can have There are different values.
It should be noted that:Similar label and letter represent similar terms in following accompanying drawing, therefore, Once being defined in a certain Xiang Yi accompanying drawing, then do not need it is carried out in subsequent accompanying drawing Discussed further.
Fig. 2 is the schematic diagram of virtual network topology of the present invention one embodiment of self-service generation method.As Shown in Fig. 2, the method and step of the present embodiment includes:
Step 201, whether network controller after user terminal login is detected, currently deposit by detection Virtual network topology resource in associated user.
Step 202, testing result is sent to user terminal by network controller.
Step 203, if testing result indicates the virtual net that there is not associated user in network controller Network topology resource, then user terminal determine whether whether associated user has the right self-service application virtual net Network topology.
Step 204, the self-service application virtual network topology if associated user has the right, user terminal from Network controller application virtual network topology resource.
Step 205, the virtual network topology resource allocation that user terminal feeds back according to network controller Result generates virtual network topology.
The self-service generation method of virtual network topology being provided based on the above embodiment of the present invention, by profit The network virtualization ability being had with transmission net, provides a virtual network to open up for each user Flutter, thus user can carry out virtual network topology adjustment according to their needs, effectively prevent existing The problems such as very flexible, realization complexity, controllability and poor stability that technical scheme exists.
VTS service needed supports the generation/modification/deletion side of following two user's virtual network topologies Formula:
1) operator and user consult the topological sum Internet resources of virtual network in advance, and are controlling Resource allocation is carried out on device, user can not by the self-service generation/modification/deletion network topology of APP with Resource.
2) user passes through the topological sum Internet resources of APP self-service application virtual network, and can basis The situation of change of business demand, carries out the adjustment of virtual network topology, such as increases/deletion of node with Link.
In order to distinguish the generating mode of both the above virtual network topology, network controller needs Support the initialization flow process of the user's virtual network topology shown in Fig. 3.This flow process adopts TopologyStatus attribute represents user's virtual topology state, and its value is:
True:Represent the virtual network topology resource that there is this user in controller.
False:Represent the virtual network topology resource of not this user in controller.
Fig. 3 initializes schematic flow sheet for virtual network topology of the present invention.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 of associated user Resource.If there is currently the virtual network topology resource of associated user, return to user terminal TopologyStatus=True, and execution step 306;If there is currently no the virtual of associated user Network topology resource, then return TopologyStatus=False to user terminal, and execution step 303.
Step 303, user terminal determines whether whether associated user has the right self-service application virtual net Network topology.The self-service application virtual network topology if associated user has the right, execution step 304;If Associated user haves no right self-service application virtual network topology, then execution step 305.
Step 304, user terminal enters the self-service application process of virtual network topology, so that from network Controller application virtual network topology resource.No longer execute other steps of the present embodiment afterwards.
Step 305, shows error message, such as " no virtual topology ".No longer execute basis afterwards Other steps of embodiment.
Step 306, user terminal determines whether whether itself preserves the virtual net of associated user Network topology.If itself preserving the virtual network topology of associated user, execution step 307;If Itself do not preserve the virtual network topology of associated user, then execution step 308.
Step 307, the respective fictional network topology that user terminal displays preserve.No longer execute afterwards Other steps of the present embodiment.
Step 308, user terminal enters Topology Discovery flow process.
Because Topology Discovery flow process is that those skilled in the art are understood, therefore do not launch here to retouch State.
Network topology resource is divided into carrier network topological sum user's virtual network by network controller Topological two classes, as shown in Figure 4:
1) carrier network topology:Comprise the topology resource of whole operator real network, can root According to needing to be dynamically assigned to the virtual network topology of user.
2) user's virtual network topology:Distribute to the virtual network topology resource of specific user, often Individual user has a virtual network topology.User can be according to the change of business demand to its virtual net Network topological sum related resource is adjusted.
The user terminal that above-mentioned steps 204 are related to provides from network controller application virtual network topology The step in source may include:
User terminal sends network node information solicited message to network controller first.Network controls Device, according to network node information solicited message, inquires about the whole network nodal information in routing database, and Query Result is fed back to user terminal.
User terminal selection in the whole network nodal information according to associated user, sends out to network controller Send virtual network topology resource request, network controller according to virtual network topology resource request, Carry out reserving, distribute, change and/or deleting of respective fictional network topology resource in routing database Division operation, the allocation result of virtual network topology resource is fed back to user terminal by network controller.
Preferably, virtual network topology resource request includes increasing virtual network node, increases client Side interface, increase inter-connection links, deletion of node, delete client side interface, delete inter-connection links, Modification inter-connection links etc..
Below by a specific example, to virtual network topology, self-service product process illustrates, such as Shown in Fig. 5.Describing mode is accordingly:
Request message parameter:Represent the ginseng included by request message that user terminal sends to controller Number.
Response message parameter:Represent the parameter of the response message that controller sends to user terminal.
Working place:Represent the targeted network topology type of this operation.
Step 501, user terminal sends network node information request to network controller.I.e. the whole network Querying node, relevant parameter is:
Request message parameter:Node
Response message parameter:Provider network node title
Working place:Carrier network topology
Step 502, network controller sends network node information response to user terminal.
Step 503, user terminal sends to network controller and selects network node request, that is, increase Virtual network node.
User as needed, selects some virtual network topology nodes from the whole network node, corresponding ginseng Number is:
Request message parameter:Provider network node title
Response message parameter:Node ID, operator node title, client node title, position Information
Working place:Virtual network topology
Step 504, network controller sends to user terminal and selects network node confirmation.
Step 505, user terminal sends client side interface resource request to network controller.Increase Plus client side interface, relevant parameter is:
Request message parameter:Client side interface type, interface quantity
Response message parameter:Node ID, interface ID, interface name, client side interface type
Working place: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, relevant parameter is:
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.
Working place:Virtual network topology
Wherein, the link circuit resource that network controller is reserved for user terminal is as continuous as possible, and institute The bandwidth being provided that should be greater than or is equal to the bandwidth of user's request.For example, user's request band is a width of 2G, because the bandwidth granularity of OTN network is 1.25G, therefore network controller provides the user Bandwidth will not be exactly 2G, the bandwidth that network controller provides the user in this case is just The bandwidth of user's request, such as 2.5G can be more than.
Step 508, network controller sends inter-connection links resource response to user terminal.
Additionally, also respective fictional net can be carried out by interacting between user terminal and network controller The management of network topology resource.For example:
Deletion of node:
The relevant parameter being related to is:
Request message parameter:Node ID
Response message parameter:Success/failure
Working place:Virtual network topology
Delete client side interface:
The relevant parameter being related to is:
Request message parameter:Node ID, client side interface ID
Response message parameter:Success/failure
Working place:Virtual network topology
Delete inter-connection links:
The relevant parameter being related to is:
Request message parameter:Source/destination node ID, source/place interface ID
Response message parameter:Success/failure
Working place:Virtual network topology
Modification inter-connection links:
The relevant parameter being related to is:
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
Working place:Virtual network topology
Fig. 6 is the schematic diagram of virtual network topology of the present invention self-service generation one embodiment of system.Figure Shown in 6, this system may include network controller 601 and user terminal 602.Wherein:
Network controller 601, for, after user terminal 602 login is detected, detecting is currently The no virtual network topology resource that there is associated user, testing result is sent to user terminal 602; Virtual network topology resource allocation result is fed back in application according to user terminal 602.
User terminal 602, for logging in network controller 601, receives network controller 601 The inspection result sent, if testing result indicates the void that there is not associated user in network controller 601 Intend network topology resource, then determine whether associated user whether have the right self-service application virtual network open up Flutter, the self-service application virtual network topology if associated user has the right, apply for from network controller 601 Virtual network topology resource, according to the virtual network topology resource allocation of network controller 601 feedback Result generates virtual network topology.
Preferably, user terminal 602 specifically sends network node information to network controller 601 and asks Seek information;Using the Query Result of network controller 601 feedback, according to associated user in the whole network section Selection in point information, sends virtual network topology resource request to network controller 601.
Network controller 601 with specific reference to network node information solicited message, in routing database Inquiry the whole network nodal information, and Query Result is fed back to user terminal;According to user terminal 602 The virtual network topology resource request sending, carries out respective fictional network topology in routing database The reserved, distribution of resource, modification and/or deletion action, by the distribution of virtual network topology resource Result feeds back to user terminal 602.
Preferably, virtual network topology resource request includes increasing virtual network node, increases client Side interface, increase inter-connection links, deletion of node, delete client side interface, delete inter-connection links, Modification inter-connection links.
Preferably, user terminal 602 be additionally operable to associated user have no right self-service application virtual network open up When flutterring, show error message.
Preferably, user terminal 602 is additionally operable to indicate in network controller 601 in testing result and deposits In the virtual network topology resource of associated user, determine whether itself whether to preserve related use The virtual network topology at family, if itself preserving the virtual network topology of associated user, display is protected The respective fictional network topology deposited, if itself not preserving the virtual network topology of associated user, Carry out Topology Discovery process.
By adopting the present invention, can meet transmission net provides the demand of virtual network service.For example, Technical scheme proposed by the present invention have been used to our unit's independent development based on software definition optical-fiber network (SDON) among BoD and the exploitation of virtual transmission network service (VTS).Shown in Fig. 7 In scheme, the api interface between multiple domain controller and BoD/VTS APP employs the present invention and proposes The self-service generting machanism of virtual network topology.
Specific implementation is described as follows:
1) initialize
After user logs in APP, APP initiates initialization requests to controller.Response message includes Whether there is the virtual network topology resource of this user, whether this user has the right is opened up in controller Generation/modification/the deletion flutterred, and the type of service of user's signing.
【request】
GET/rest/json/topOLOGY_API/TopologyAttribute HTTP/1.x
【response】
The result:There is the virtual network topology resource of this user in controller.
In the following description, TOPOLOGY_API represents the virtual network topology of user, Different users distinguished by controller by the User identification mechanism of HTTP message. OPERATOR_TOPOLOGY_API represents the real network topology of operator.
2) the whole network querying node
APP sends network node information request message to controller, and controller is complete to APP response Net nodal information, message parameter includes operator node title.
【request】
GET/rest/json/OPERATOR_topOLOGY_API/vertex HTTP/1.x
【response】
3) network node selects (increase node)
User selects some VTS nodes as needed from the whole network node, is sent to controller, Controller returns confirmation.APP interface confirms node.
Request message parameter:Operator node title
Response message parameter:Node ID, operator node title, client node title are (initial Title is identical with operator node title), positional information
【request】
【response】
4) client side interface selects (increase client side interface)
Request message parameter:Interface type, client side interface type
Response message parameter:Node ID, interface ID, interface name (initially entitled "-"), Interface type, client side interface type
【request】
【response】
5) inter-connection links request (increase 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 corresponding confirmation and disappears Breath.
Wherein, the link circuit resource that network controller is reserved for user terminal is as continuous as possible, and institute The bandwidth being provided that is 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) delete client side interface
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 changed
Request message parameter:Edge ID, link bandwidth, ODUk type, protect type Response message parameter:Identical with inter-connection links request
【request】
【response】
10) change virtual network nodename
Request message parameter:Nodename
Response message parameter:Success/failure
【request】
【response】
HTTP/1.x 200 OK
11) change interface name
Request message parameter:Interface name
Response message parameter:Success/failure
【request】
【response】
HTTP/1.x 200 OK
By implementing the present invention, following beneficial effect can be obtained:
1. by adopting the present invention, it is possible to achieve the mode similar to cloud computing provides transmission network service, User can carry according to the virtual network topology resource needed for business demand self-service application online High service response speed, realizes the interconnection networking operation of transmission network service.
2. operator passes through to arrange the control strategy of concentration on the controller, realizes the prison to user behavior Depending on and control of authority, improve controllability and the safety of network.Realizing user self-help Shen Please Internet resources while, the topology resource information of carrier network will not be exposed again.
3. adopt technical scheme proposed by the present invention, the motility that prior art exists can be avoided The problems such as difference, realization complexity, poor controllability.
One of ordinary skill in the art will appreciate that realizing all or part step of above-described embodiment Suddenly can be completed it is also possible to the hardware being instructed correlation by program is completed by hardware, institute The program stated can be stored in a kind of computer-readable recording medium, and storage mentioned above is situated between Matter can be read only memory, disk or CD etc..
Description of the invention is given for the sake of example and description, and is not exhaustively Or limit the invention to disclosed form.Many modifications and variations are for the common skill of this area It is obvious for art personnel.Select and describe the principle that embodiment is in order to the present invention is more preferably described And practical application, and make those of ordinary skill in the art it will be appreciated that the present invention is thus design is suitable In the various embodiments with various modifications for the special-purpose.

Claims (10)

1. a kind of self-service generation method of virtual network topology is it is characterised in that include:
After user terminal login is detected, detection currently whether there is associated user to network controller Virtual network topology resource;
Testing result is sent to user terminal by network controller;
If testing result indicates the virtual network topology money that there is not associated user in network controller Source, then user terminal determine whether 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 according to the virtual network topology resource allocation result that network controller feeds back Virtual network topology.
2. method according to claim 1 it is characterised in that
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, according to network node information solicited message, inquires about the whole network in routing database Nodal information, and Query Result is fed back to user terminal;
User terminal selection in the whole network nodal information according to associated user, sends out to network controller Send virtual network topology resource request;
Network controller, according to virtual network topology resource request, carries out correlation in routing database The reserved, distribution of virtual network topology resource, modification and/or deletion action;
The allocation result of virtual network topology resource is fed back to user terminal by network controller.
3. method according to claim 2 it is characterised in that
Virtual network topology resource request include increase virtual network node, increase client side interface, Increase inter-connection links, deletion of node, delete client side interface, delete inter-connection links, modification interconnection Link.
4. the method according to any one of claim 1-3 it is characterised in that
If associated user haves no right self-service application virtual network topology, user terminal displays mistake is believed Breath.
5. method according to claim 4 it is characterised in that
If testing result indicates the virtual network topology resource that there is associated user in network controller, Then user terminal determines whether whether itself preserves the virtual network topology of associated user;
If itself preserving the virtual network topology of associated user, the phase that user terminal displays preserve Close virtual network topology;
If itself not preserving the virtual network topology of associated user, user terminal carries out topology and sends out Now process.
6. a kind of self-service generation system of virtual network topology controls it is characterised in that including network Device and user terminal, wherein:
Network controller, for, after user terminal login is detected, detection currently whether there is phase Close the virtual network topology resource of user, testing result is sent to user terminal;According to user eventually The application feedback virtual network topology resource allocation result at end;
User terminal, for logging in network controller, receives the inspection result that network controller sends, If testing result indicates the virtual network topology resource that there is not associated user in network controller, Determine whether whether associated user has the right self-service application virtual network topology, if associated user has the right Self-service application virtual network topology, then from network controller application virtual network topology resource, according to The virtual network topology resource allocation result of network controller feedback generates virtual network topology.
7. system according to claim 6 it is characterised in that
User terminal specifically sends network node information solicited message to network controller;Using network The Query Result of controller feedback, according to selection in the whole network nodal information for the associated user, to net Network controller sends virtual network topology resource request;
Network controller, with specific reference to network node information solicited message, is inquired about in routing database The whole network nodal information, and Query Result is fed back to user terminal;The void being sent according to user terminal Intend network topology resource request, routing database carries out the pre- of respective fictional network topology resource Stay, distribute, changing and/or deletion action, by the allocation result feedback of virtual network topology resource To user terminal.
8. system according to claim 7 it is characterised in that
Virtual network topology resource request include increase virtual network node, increase client side interface, Increase inter-connection links, deletion of node, delete client side interface, delete inter-connection links, modification interconnection Link.
9. the system according to any one of claim 6-8 it is characterised in that
User terminal is additionally operable to when associated user haves no right self-service application virtual network topology, and display is wrong False information.
10. system according to claim 9 it is characterised in that
User terminal is additionally operable to indicate, in testing result, the void that there is associated user in network controller When intending network topology resource, determine whether that the virtual network itself whether preserving associated user is opened up Flutterring, if itself preserving the virtual network topology of associated user, showing the respective fictional net of preservation Network topology, if itself not preserving the virtual network topology of associated user, is carried out at Topology Discovery Reason.
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