CN106533712A - Method, system and apparatus for discovering network function virtualization (NFV) resource pool topology - Google Patents
Method, system and apparatus for discovering network function virtualization (NFV) resource pool topology Download PDFInfo
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- CN106533712A CN106533712A CN201510568492.9A CN201510568492A CN106533712A CN 106533712 A CN106533712 A CN 106533712A CN 201510568492 A CN201510568492 A CN 201510568492A CN 106533712 A CN106533712 A CN 106533712A
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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
- H04L41/12—Discovery or management of network topologies
Abstract
The present invention discloses a method, a system and an apparatus for discovering a network function virtualization (NFV) resource pool topology. The method comprises the steps that after a monitor proxy is implanted in a virtual switch and a virtual network function (VNF) of an NFV resource pool, the monitor proxy receives network planning information delivered by a software defined network (SDN) controller, wherein the network planning information comprises a network planning topology; the monitor proxy acquires, according to the network planning topology, information of a neighbor node of a node at where the monitor proxy is; and the monitor proxy detects a condition of network connection between the node at where the monitor proxy is and the neighbor node, and feeds back the condition of network connection to the SDN controller, so as to enable the SDN controller to discover a current network topology of the NFV resource pool according to the condition of network connection of all nodes in the NFV resource pool. The method is applicable to discovering the NFV resource pool topology.
Description
Technical field
The present invention relates to NFV (Network are realized in intelligent pipeline field, more particularly to one kind
Function Virtualization, network function virtualization) resource pool Topology Discovery method,
Monitoring agent, SDN (Software Defined Network, software defined network) controls
Device and system.
Background technology
NFV realizes the decoupling of software and hardware by Intel Virtualization Technology, by Network Element Function abstract for independent
VNF (Virtual Network Function, virtual network function), and be deployed in based on mark
On the unified platform that quasi- server, storage, switch build.If will appreciate that the network of NFV is opened up
Situation is flutterred, by adjusting the computing resource of corresponding VNF, then network capabilities can be further realized
Flexible adjustment.
The method of existing Topology Discovery is to enable LLDP (Link Layer on network devices
Discovery Protocol, Link Layer Discovery Protocol), but the method can only find main frame and support
The switch of OpenFlow, and all equipment being connected with OpenFlow switches are regarded as
Main frame, it is impossible to understand its network function.And, LLDP is a kind of link layer discovery side of standard
Formula, can only find double layer network topology, it is impossible to understand three-layer network topology.
Therefore, it is necessary to propose a kind of Topology Discovery scheme of suitable NFV resource pools.
The content of the invention
One purpose of the embodiment of the present invention is to propose that a kind of topology of suitable NFV resource pools is sent out
Existing scheme.
One side according to embodiments of the present invention, there is provided one kind realizes that network function is virtualized
The method of NFV resource pool Topology Discoveries, the virtual switch in NFV resource pools and virtual
Implant monitor agency in network function VNF, the method include：Monitoring agent receives SDN controls
The Network planning information that device processed is issued, Network planning information include network planning topology；Monitoring generation
Reason knows the information of neighbor nodes of monitoring agent place node according to network planning topology；Monitoring generation
Reason detects the network break-make situation between its place node and neighbor node, and by network break-make feelings
Condition feeds back to SDN controllers, so as to SDN controllers according to each node in NFV resource pools it
Between network break-make situation find the current network topology of NFV resource pools.
In one embodiment, the masterplate of the virtual switch and VNF in NFV resource pools
Middle implant monitor agency so that when creating virtual switch or VNF by cloned template, in void
Monitoring agent is implanted in intending switch or VNF.
In one embodiment, monitoring agent detects logical between its place node and neighbor node
Disconnected situation includes：Monitoring agent detects two layers between its place node and neighbor node or three layers
Network break-make situation, so that SDN controllers are according in NFV resource pools between each node
Two layers or three layers of network break-make situation find the current double layer network topology of NFV resource pools or
Three-layer network topology.
In one embodiment, node of the monitoring agent to its place node of SDN controller reports
Configuration information, so that SDN controllers are according to the current network topology of NFV resource pools and Ge Jie
The node configuration information of point generates the topological view of NFV resource pools；Wherein, node configuration information
Including at least one in Network Element Function, network port configuration, virtual resource configuration.
In one embodiment, Network planning information also includes projected resources configuration information, method
Also include：Monitoring agent uses feelings according to the projected resources configuration information of its place node and resource
Condition, sends resource adjust request.
According to a further aspect in the invention, there is provided another kind realizes NFV resource pool Topology Discoveries
Method, in the virtual switch and virtual network function VNF in NFV resource pools be implanted into
Monitoring agent, the method include：SDN controllers are to each monitoring generation in NFV resource pools
Reason issues Network planning information, and Network planning information includes network planning topology, to monitor generation
Reason is according to the network break-make situation between its place node of network planning topology detection and neighbor node
And report；SDN controllers receive the network break-make situation that monitoring agent is reported, and according to NFV
Network break-make situation in resource pool between each node finds that the current network of NFV resource pools is opened up
Flutter.
In one embodiment, SDN controllers receive two layers or three layers that monitoring agent is reported
Network break-make situation, and according to two layers in NFV resource pools between each node or three layers of network
Break-make situation, finds the current double layer network topology of NFV resource pools or three-layer network topology.
In one embodiment, SDN controllers receive its place node that monitoring agent is reported
Node configuration information, and matched somebody with somebody according to the node of the current network topology of NFV resource pools and each node
Confidence breath generates the topological view of NFV resource pools；Wherein, node configuration information includes network element work(
Can, the network port configuration, virtual resource configuration at least one.
In one embodiment, SDN controllers receive the resource adjust request that monitoring agent sends,
And cloud management platform is transmitted to, so that cloud management platform is matched somebody with somebody to the resource of monitoring agent place node
Put and be adjusted.
Other side according to embodiments of the present invention, there is provided one kind realizes that NFV resource pools are opened up
The monitoring agent of discovery is flutterred, the virtual switch and virtual network function in NFV resource pools
In VNF, including：Information receiving unit, for receiving the network rule that SDN controllers are issued
The information of drawing, Network planning information include network planning topology；Information acquisition unit, for basis
Network planning topology knows the information of neighbor nodes of monitoring agent place node；Break-make detector unit,
For detecting the network break-make situation between monitoring agent place node and neighbor node；Information is anti-
Feedback unit, for network break-make situation is fed back to SDN controllers, so as to SDN controllers
Find that NFV resource pools are current according to the network break-make situation in NFV resource pools between each node
Network topology.
In one embodiment, monitoring agent by the virtual switch in NFV resource pools and
It is implanted in the masterplate of VNF so that when creating virtual switch or VNF by cloned template,
Monitoring agent is implanted in virtual switch or VNF.
In one embodiment, break-make detector unit is used for：Detection monitoring agent place node with
Two layers between neighbor node or three layers of network break-make situation, so as to SDN controllers according to
Two layers in NFV resource pools between each node or three layers of network break-make situation finds NFV moneys
The current double layer network topology in source pond or three-layer network topology.
In one embodiment, information feedback unit is additionally operable to：Monitor to SDN controller reports
The node configuration information of place node is acted on behalf of, so that SDN controllers are worked as according to NFV resource pools
The node configuration information of front network topology and each node generates the topological view of NFV resource pools；
Wherein, during node configuration information includes that Network Element Function, network port configuration, virtual resource are configured
At least one.
In one embodiment, Network planning information also includes projected resources configuration information, monitoring
Agency also includes：Resource adjust request unit, for the planning according to monitoring agent place node
Resource allocation information and resource service condition, send resource adjust request.
Another aspect according to embodiments of the present invention, there is provided one kind realizes that NFV resource pools are opened up
The SDN controllers of discovery are flutterred, the virtual switch and virtual network work(in NFV resource pools
Implant monitor agency in energy VNF, including：Information transmitting unit, for NFV resource pools
In each monitoring agent issue Network planning information, Network planning information includes that the network planning is opened up
Flutter, so that monitoring agent is according between its place node of network planning topology detection and neighbor node
Network break-make situation and report；Information receiving unit, for receiving the net that monitoring agent is reported
Network break-make situation；Topology Discovery unit, for according to the net in NFV resource pools between each node
Network break-make situation finds the current network topology of NFV resource pools.
In one embodiment, information receiving unit be used for receiving monitoring agent reports two layers or
Three layers of network break-make situation, Topology Discovery unit for according to each node in NFV resource pools it
Between two layers or three layers of network break-make situation, it is found that the current double layer network of NFV resource pools is opened up
Flutter or three-layer network topology.
In one embodiment, information receiving unit is additionally operable to receive its institute that monitoring agent is reported
In the node configuration information of node, Topology Discovery unit is additionally operable to current according to NFV resource pools
The node configuration information of network topology and each node generates the topological view of NFV resource pools；Its
In, during node configuration information includes that Network Element Function, network port configuration, virtual resource are configured
At least one.
In one embodiment, information receiving unit is further used for receiving what monitoring agent sent
Resource adjust request, information transmitting unit are further used for for resource adjust request being transmitted to cloud pipe
Platform, so that resource distribution of the cloud management platform to monitoring agent place node is adjusted.
Another aspect according to embodiments of the present invention, present invention also offers one kind realizes NFV
The system of resource pool Topology Discovery, including above-mentioned monitoring agent and above-mentioned SDN controls
Device.
The present invention at least has advantages below：
Acted on behalf of by implant monitor in the virtual switch and VNF in NFV resource pools, by
Monitoring agent detects the net between each node according to the Network planning information that SDN controllers are issued
Network break-make situation is simultaneously fed back, and makes SDN controllers will appreciate that the current network of NFV resource pools
Topology, it is achieved thereby that a kind of Topology Discovery scheme of suitable NFV resource pools.Also, this
Bright Topology Discovery scheme not only can understand two layers of NFV resource pools and three layers of network is opened up
Flutter, moreover it is possible to understand Network Element Function and the resource distribution situation of VNF in NFV resource pools, and
The characteristics of with simply easily realizing.Additionally, monitoring agent can iteration update, also sustainable increase
New function, favorable expandability.
By detailed description referring to the drawings to the exemplary embodiment of the present invention, the present invention
Further feature and its advantage will be made apparent from.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will
Accompanying drawing to be used needed for 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, for the common skill in this area
For art personnel, without having to pay creative labor, can be being obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 illustrates the network topology schematic diagram of present invention application.
Fig. 2A illustrates that the present invention realizes method one embodiment of NFV resource pool Topology Discoveries
Schematic flow sheet.
Fig. 2 B illustrate the method for realizing NFV resource pool Topology Discoveries of the invention, and another is implemented
The schematic flow sheet of example.
Fig. 3 illustrates the structural representation of one embodiment of the monitoring agent of the present invention.
Fig. 4 illustrates the structural representation of one embodiment of the SDN controllers of 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 that a present invention part is real
Apply example, rather than the embodiment of whole.Description reality at least one exemplary embodiment below
It is merely illustrative on border, never as to the present invention and its application or any limit for using
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 obtained under the premise of dynamic, belongs to the scope of protection of the invention.
The network topology of present invention application is described below with reference to Fig. 1.
Fig. 1 illustrates the network topology schematic diagram of present invention application.Network include cloud management platform,
SDN controllers and the NFV resource pools being made up of VNF and virtual switch, wherein,
Monitoring agent is implanted in VNF and virtual switch.Black solid square in Fig. 1 is table
Show monitoring agent.Monitoring agent is used for detecting the break-make situation between neighbor node.SDN controllers
Can interact with cloud management platform and monitoring agent, on the one hand, SDN controllers and cloud pipe
Platform links, and obtains Network planning information, another aspect, SDN controllers and monitoring agent
Connection is set up, and Network planning information is issued to which, and is received the data sent on monitoring agent.
Present invention also offers a kind of method for implantation of monitoring agent, i.e. in NFV resource pools
The template of virtual switch and the masterplate of VNF in implant monitor agency, by cloned template create
When building virtual switch or VNF, accordingly, also implant in virtual switch or VNF
Monitoring agent.The implantation of this monitoring agent, implantation efficiency comparison are high, and homogeneity
It is relatively good, facilitate management service.Additionally, monitoring agent can iteration update, also sustainable increase
New function, favorable expandability.
Based on the network topology of foregoing description, the present invention is described with reference to Fig. 2A and realize NFV
The workflow of the method for resource pool Topology Discovery.
Fig. 2A illustrates that the present invention realizes method one embodiment of NFV resource pool Topology Discoveries
Schematic flow sheet.As shown in Figure 2 A, the method for the embodiment includes：
Step S201, SDN controllers are obtained after Network planning information from cloud management platform, to
Monitoring agent issues Network planning information.
Wherein, Network planning information for example includes the information such as network planning topology, and the network planning is opened up
Flutter each equipment (or claiming node) and the annexation of equipment room including the network planning.
Step S203, monitoring agent after Network planning information is received, according to therein
Network planning topology knows the information of neighbor nodes of this monitoring agent place node.
The node that for example certain monitoring agent is located is certain VNF in resource pool, then the prison
Control agency will know the adjacent VNF or adjacent of its place VNF according to the network planning topology
The information of the adjacent nodes such as virtual switch, the information of the adjacent node can for example be IP ground
The contents such as location.
Step S205, monitoring agent detect the network between its place node and each neighbor node
Break-make situation.A kind of method of exemplary detection network break-make situation is that monitoring agent is to neighbour
Occupy node and send continuity check message, determine monitoring by the result of continuity check message
Act on behalf of the network break-make situation between place node and the neighbor node.
Step S207, monitoring agent is by between its place node for detecting and each neighbor node
Network break-make situation feed back to SDN controllers.
Wherein, break-make the result can be fed back to SDN regularly or in real time by monitoring agent
Controller.
Step S209, SDN controllers are collected and are arranged to the feedback information of each node,
And the reality of the network planning is verified according to the network break-make situation in NFV resource pools between each node
Apply situation, understand the annexation of current network, so as to find current complete of NFV resource pools
Office network topology.
Above-described embodiment, by planting in the virtual switch and VNF in NFV resource pools
Enter monitoring agent, detected according to the Network planning information that SDN controllers are issued by monitoring agent
Network break-make situation between each node is simultaneously fed back, and makes SDN controllers will appreciate that NFV
The current network topology of resource pool, it is achieved thereby that a kind of topology of suitable NFV resource pools is sent out
Existing scheme.
Also, the NFV resource pool Topology Discovery schemes of the present invention, are applicable not only to discovery two
Layer network topology, applies also for finding three-layer network topology.Specifically, in step S205,
Monitoring agent detects the network break-make of two layers between its place node and neighbor node or three layers
Situation, in step S207, its place node for detecting is saved by monitoring agent with each neighbours
The network break-make situation of two layers or three layers between point feeds back to SDN controllers, in step
In S209, SDN controllers are collected and are arranged to the feedback information of each node, and root
NFV is found according to the network break-make situation of two layers between each node in NFV resource pools or three layers
The current double layer network topology of resource pool or three-layer network topology, so that compensate for current LLDP
Agreement cannot understand the defect of three-layer network topology.
Additionally, the solution of the present invention not only can find the network topology of NFV resource pools, also
It will be seen that the node configuration information such as the Network Element Function of node and virtual resource configuration.With reference to
Fig. 2 B describe the node configuration information that SDN controllers know each node in NFV resource pools
Situation.
Fig. 2 B illustrate the method for realizing NFV resource pool Topology Discoveries of the invention, and another is implemented
The schematic flow sheet of example.Relative to the embodiment of Fig. 2A, as shown in Figure 2 B, the embodiment
Method also includes：
Step S208, node configuration of the monitoring agent to its place node of SDN controller reports
Information.Node configuration information for example can include the node Network Element Function, the network port configuration,
Virtual resource configuration etc..For example, certain monitoring agent is located at certain VNF in NFV resource pools
In, then the monitoring agent can be to the Network Element Function of the VNF, internal memory service condition or network-side
The information such as mouth configuration state are monitored, and monitored results are reported SDN controllers.
When realizing, as shown in Figure 2 B, step S207 execution step S208 again can be first carried out,
Can also simultaneously execution step S207 and step S208, i.e. monitoring agent by network break-make situation
And the node configuration information of its place node is sent to SDN controllers in the lump.
Also include step S210 after step S209, i.e. SDN controllers are according to NFV
The node configuration information of the current network topology of resource pool and each node generates NFV resource pools and works as
Front topological view.Wherein, the topological view not only includes VNF and void in NFV resource pools
Intend the annexation between the node such as switch, also including the current Network Element Function of each node,
The configuration informations such as network port configuration, virtual resource configuration.
By such scheme, the Topology Discovery of NFV resource pools not only can be realized, can also be made
SDN controllers understand the information such as the Network Element Function of VNF, resource distribution.
If additionally, also included projected resources configuration information in Network planning information, could be with
Configuration to NFV resource pools is adjusted.Specifically, monitoring agent is according to its place node
Projected resources configuration information and resource service condition, if for example finding, the stock number for having used is close to
The stock number of planning and configuration needs to increase stock number, or needs to reduce stock number, then can send out
Go out resource adjust request, after SDN controllers receive resource adjust request, can be with cloud pipe
Platform links, and is adjusted by resource distribution of the cloud management platform to monitoring agent place node,
The resource distribution of the node is increased or decreased according to resource adjust request, it is quick so as to reach network
The purpose that reducing and expansion are held.
Some application examples are set forth below.
For example, monitoring agent receives the rule in the Network planning information that SDN controllers are issued to which
Resource allocation information is drawn for 16G internal memories, monitoring agent can set the virtual resource of the node and make
With threshold value, such as 15G.Then, monitoring agent is held to the internal memory service condition of place node
Continuous monitoring, when actual committed memory is reached or during more than 15G, to SDN by monitoring agent
Controller sends the request for increasing resource, and SDN controllers can be linked with cloud management platform, be
The node that monitoring agent is located increases the configuration of resource.
Fig. 3 illustrates the structure chart of one embodiment of the monitoring agent of the present invention.As shown in figure 3,
The monitoring agent 30 that the present invention is provided includes：Information receiving unit 301, for receiving SDN
The Network planning information that controller is issued, the Network planning information include network planning topology；Letter
Breath acquiring unit 302, for knowing 30 place node of monitoring agent according to network planning topology
Information of neighbor nodes；Break-make detector unit 303, for detect 30 place node of monitoring agent with
Network break-make situation between neighbor node；Information feedback unit 304, for by network break-make
Situation feeds back to SDN controllers, so that SDN controllers are according to each node in NFV resource pools
Between network break-make situation find the current network topology of NFV resource pools.
Wherein, break-make detector unit 303 can be used for detecting monitoring agent place node and neighbours
Two layers between node or three layers of network break-make situation, so that SDN controllers are according to NFV
Two layers in resource pool between each node or three layers of network break-make situation finds NFV resource pools
Current double layer network topology or three-layer network topology.
Information feedback unit 304 is can be also used for 30 institute of SDN controller reports monitoring agent
In the node configuration information of node, so that SDN controllers are according to the current net of NFV resource pools
The node configuration information of each node of network topological sum generates the topological view of NFV resource pools.Wherein,
During the node configuration information includes that Network Element Function, network port configuration, virtual resource are configured
At least one.
When Network planning information also includes projected resources configuration information, information feedback unit 304
Further can be used for being made according to the projected resources configuration information of monitoring agent place node and resource
With situation, resource adjust request is sent, to realize the adjustment to the configuration of NFV resource pools.
Fig. 4 illustrates the structure chart of one embodiment of the SDN controllers of the present invention.Such as Fig. 4
Shown, the SDN controllers 40 that the present invention is provided include：Information transmitting unit 401, is used for
Network planning information is issued to each monitoring agent in NFV resource pools, the Network planning information
Including network planning topology, so that monitoring agent is according to its place section of the network planning topology detection
Point and neighbor node between network break-make situation and report；Information receiving unit 402, is used for
Receive the network break-make situation that monitoring agent is reported；Topology Discovery unit 403, for according to NFV
Network break-make situation in resource pool between each node finds that the current network of NFV resource pools is opened up
Flutter.
Wherein, information receiving unit 402 can be used for receiving two layers or three that monitoring agent is reported
The network break-make situation of layer, discovering network topology unit are particularly useful for according to NFV resource pools
In two layers or three layers between each node of network break-make situation, it is found that NFV resource pools are current
Double layer network topology or three-layer network topology.
Information receiving unit 402 can be also used for its place node that reception monitoring agent is reported
Node configuration information, Topology Discovery unit 403 are additionally operable to according to the current network of NFV resource pools
The node configuration information of each node of topological sum generates the topological view of NFV resource pools.Wherein, institute
State node configuration information include Network Element Function, the network port configuration, virtual resource configuration in extremely
One item missing.
Information receiving unit 402 further can be used for receiving the resource adjustment that monitoring agent sends
Request, information transmitting unit 401 is further used for for resource adjust request being transmitted to cloud management puts down
Platform, so that resource distribution of the cloud management platform to monitoring agent place node is adjusted.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can
Complete with by hardware, it is also possible to instruct the hardware of correlation to complete by program, described journey
Sequence can be stored in a kind of computer-readable recording medium, and storage medium mentioned above can be
Read-only storage, disk or CD etc..
Presently preferred embodiments of the present invention is the foregoing is only, it is not to limit the present invention, all at this
Within the spirit and principle of invention, any modification, equivalent substitution and improvements made etc. all should be wrapped
It is contained within protection scope of the present invention.
Claims (19)
1. a kind of method for realizing that network function virtualizes NFV resource pool Topology Discoveries, which is special
Levy and be, be implanted in the virtual switch and virtual network function VNF in NFV resource pools
Monitoring agent, methods described include：
Monitoring agent receives the Network planning information that SDN controllers are issued, the network planning letter
Breath includes network planning topology；
Monitoring agent knows neighbours' section of monitoring agent place node according to the network planning topology
Point information；
Monitoring agent detects the network break-make situation between its place node and neighbor node, and will
Network break-make situation feeds back to SDN controllers, so that SDN controllers are according to NFV resource pools
In network break-make situation between each node find the current network topology of NFV resource pools.
2. method according to claim 1, it is characterised in that in NFV resource pools
Virtual switch and VNF masterplate in implant monitor agency so that by cloned template create
When virtual switch or VNF, monitoring agent is implanted in virtual switch or VNF.
3. method according to claim 1, it is characterised in that the monitoring agent detection
Break-make situation between its place node and neighbor node includes：
Monitoring agent detects that two layers between its place node and neighbor node or three layers of network lead to
Disconnected situation, so that SDN controllers are according to two layers or three in NFV resource pools between each node
The network break-make situation of layer finds the current double layer network topology of NFV resource pools or three-layer network
Topology.
4. method according to claim 1, it is characterised in that also include：
Node configuration information of the monitoring agent to its place node of SDN controller reports, with
Just SDN controllers are configured according to the node of the current network topology of NFV resource pools and each node
Information generates the topological view of NFV resource pools；
Wherein, the node configuration information includes Network Element Function, network port configuration, virtual money
At least one in the configuration of source.
5. method according to claim 1, it is characterised in that the Network planning information
Also include projected resources configuration information, methods described also includes：
Projected resources configuration information and resource use of the monitoring agent according to its place node
Situation, sends resource adjust request.
6. a kind of method for realizing NFV resource pool Topology Discoveries, it is characterised in that in NFV
Implant monitor agency, the side in virtual switch and virtual network function VNF in resource pool
Method includes：
SDN controllers issue Network planning information to each monitoring agent in NFV resource pools,
The Network planning information includes network planning topology, so that monitoring agent is opened up according to the network planning
Flutter and detect the network break-make situation between its place node and neighbor node and report；
SDN controllers receive the network break-make situation that monitoring agent is reported, and are provided according to NFV
Network break-make situation in the pond of source between each node finds the current network topology of NFV resource pools.
7. method according to claim 6, it is characterised in that wherein, SDN controls
Device receives two layers or three layers that monitoring agent is reported of network break-make situation, and according to NFV resources
Two layers in pond between each node or three layers of network break-make situation, it is found that NFV resource pools are current
Double layer network topology or three-layer network topology.
8. method according to claim 6, it is characterised in that also include：SDN is controlled
Device processed receives the node configuration information of its place node that monitoring agent is reported, and is provided according to NFV
The node configuration information of the current network topology in source pond and each node generates opening up for NFV resource pools
Flutter view；
Wherein, the node configuration information includes Network Element Function, network port configuration, virtual money
At least one in the configuration of source.
9. method according to claim 6, it is characterised in that also include：SDN is controlled
Device processed receives the resource adjust request that monitoring agent sends, and is transmitted to cloud management platform, so as to
Resource distribution of the cloud management platform to monitoring agent place node is adjusted.
10. a kind of monitoring agent for realizing NFV resource pool Topology Discoveries, it is characterised in that institute
State virtual switch and virtual network function VNF of the monitoring agent in NFV resource pools
In, including：
Information receiving unit, it is for receiving the Network planning information that SDN controllers are issued, described
Network planning information includes network planning topology；
Information acquisition unit, for knowing section that monitoring agent is located according to the network planning topology
The information of neighbor nodes of point；
Break-make detector unit, for detecting the net between monitoring agent place node and neighbor node
Network break-make situation；
Information feedback unit, for network break-make situation is fed back to SDN controllers, so as to
SDN controllers find NFV according to the network break-make situation in NFV resource pools between each node
The current network topology of resource pool.
11. monitoring agents according to claim 10, it is characterised in that the monitoring generation
Reason is by being implanted in the masterplate of virtual switch and VNF in NFV resource pools so that logical
When crossing cloned template establishment virtual switch or VNF, it is implanted in virtual switch or VNF
Monitoring agent.
12. monitoring agents according to claim 10, it is characterised in that the break-make inspection
Surveying unit is used for：
The network break-make of two layers or three layers between detection monitoring agent place node and neighbor node
Situation, so that SDN controllers are according to two layers in NFV resource pools between each node or three layers
Network break-make situation find NFV resource pools it is current double layer network topology or three-layer network open up
Flutter.
13. monitoring agents according to claim 10, it is characterised in that described information is anti-
Feedback unit is additionally operable to：
To the node configuration information of SDN controller report monitoring agents place node, so as to SDN
Controller is given birth to according to the node configuration information of the current network topology of NFV resource pools and each node
Into the topological view of NFV resource pools；
Wherein, the node configuration information includes Network Element Function, network port configuration, virtual money
At least one in the configuration of source.
14. monitoring agents according to claim 10, it is characterised in that the network rule
The information of drawing also includes projected resources configuration information, and the monitoring agent also includes：
Resource adjust request unit, for configuring according to the projected resources of monitoring agent place node
Information and resource service condition, send resource adjust request.
A kind of 15. SDN controllers for realizing NFV resource pool Topology Discoveries, it is characterised in that
Implant monitor generation in virtual switch and virtual network function VNF in NFV resource pools
Reason, the SDN controllers include：
Information transmitting unit, for issuing network rule to each monitoring agent in NFV resource pools
The information of drawing, the Network planning information include network planning topology, so that monitoring agent is according to net
Network is planned the network break-make situation between its place node of topology detection and neighbor node and is reported；
Information receiving unit, for receiving the network break-make situation that monitoring agent is reported；
Topology Discovery unit, for according to the network break-make feelings in NFV resource pools between each node
Condition finds the current network topology of NFV resource pools.
16. SDN controllers according to claim 15, it is characterised in that the letter
Breath receiving unit is used for receiving two layers or three layers that monitoring agent is reported of network break-make situation, institute
Topology Discovery unit is stated for according to two layers in NFV resource pools between each node or three layers
Network break-make situation, it is found that the current double layer network topology of NFV resource pools or three-layer network are opened up
Flutter.
17. SDN controllers according to claim 15, it is characterised in that the letter
Breath receiving unit is additionally operable to receive the node configuration information of its place node that monitoring agent is reported,
The Topology Discovery unit is additionally operable to according to the current network topology of NFV resource pools and each node
Node configuration information generate NFV resource pools topological view；
Wherein, the node configuration information includes Network Element Function, network port configuration, virtual money
At least one in the configuration of source.
18. SDN controllers according to claim 15, it is characterised in that the letter
Breath receiving unit is further used for receiving the resource adjust request that monitoring agent sends, described information
Transmitting element is further used for for the resource adjust request being transmitted to cloud management platform, so as to cloud
Resource distribution of the management platform to monitoring agent place node is adjusted.
A kind of 19. systems for realizing NFV resource pool Topology Discoveries, including claim 10-14
SDN controls described in monitoring agent and any one of claim 15-18 described in any one
Device.
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