CN105429780A - Virtualized network service business automatic generation and dynamic monitoring method - Google Patents
Virtualized network service business automatic generation and dynamic monitoring method Download PDFInfo
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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
- H04L41/08—Configuration management of networks or network elements
- H04L41/0889—Techniques to speed-up the configuration process
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
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Abstract
The invention discloses a virtualized network service business automatic generation and dynamic monitoring method. The method comprises: an NFVO (Network Functions Virtualization Orchestrator) receiving a new virtualized NS request; the NFVO operating the feasibility check of building interconnection with VNFs (Virtualized Network Function); after determining the feasibility of interconnection, connecting to a specific VNF instance to instantiate the NS; and monitoring all VNF instances which have different functions and form the NS. The method realizes network service virtual automation disposition, and real-time monitoring and dynamic adjusting on the VNFs.
Description
Technical field
The present invention relates to the virtual field of network function, and more specifically, relate to a kind of virtual network service business and automatically generate the method with dynamic monitoring.
Background technology
Virtual (the NFV of network function, NetworkFunctionsVirtualisation) proposed by telecommunication network operators, refer to by IT Intel Virtualization Technology, adopt the volume server of industrywide standard, memory and switch to carry the technical standard of various network software function.NFV achieves the flexible loading of software, realize each position deployment configuration flexibly such as the heart, network node and user side in the data, thus accelerate the speed of network design and adjustment, reduce the complexity of service deployment, improve the uniformity, versatility, suitability etc. of the network equipment.
In traditional network, it is usually that the structure run with them tightly links together that network function realizes.NFV makes the software simulating of network function depart from the calculating of their uses, stores and Internet resources.The virtual communication network that turns to of network function adds new capability, needs one group of new management and operation flow function to be increased to existing operation, management, maintenance and support model simultaneously, then by a virtual level isolation network function and infrastructure resources.
What NFV itself solved is the automatic deployment problem of business network, it is also a huge ICT System Integration Engineering viewed from framework, decompose and comprise the integrated of NFVI, integrated and the business network of VNF integrated, the system related to, producer, region, interface are all very many, and engineering difficulty is higher than current public cloud, privately owned cloud; Although be automatic deployment, but each link (planning, enforcement, commissioning, upgrading, optimization etc.) of network design all can relate to and perform at present, how carrying out in the future implementing disposing will be a very complicated problem, very high to the technical requirement of integrator.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, provide a kind of virtual network service business automatically can generate the method with dynamic monitoring, to provide a kind of virtualized fast and flexible networking mode, realize the Appropriate application of resource and the Effec-tive Function of business.
A kind of virtual network service business provided by the invention generates the method with dynamic monitoring automatically, comprising:
After network function virtual composer NFVO receives the request of a new virtual network service NS; Described NS request comes from an OSS OSS, or business support system BSS;
Described NFVO runs the feasibility inspection with the virtual interconnected foundation of network function VNF;
Confirmation can set up interconnected after, be connected to specific VNF example, by described NS instantiation;
Business monitoring module in system is monitored each VNF example with difference in functionality forming described NS.
Before described NFVO operation checks with the feasibility of the virtual interconnected foundation of network function VNF, the method also comprises:
Described NFVO will verify described NS request, not only verifies the consistency of the correctness that the validity of request but also certificate parameter are transmitted and strategy.
Described NS request comprises multiple virtual network function VNFs.
Described NFVO runs and specifically comprises with the feasibility inspection of the interconnected foundation of the virtual VNF of network function:
For each VNF example needed for described NS, by VNF manager VNFM, described NFVO checks whether an example of satisfying the demand exists, if such VNF example exists, it will be used as a part of described NS;
A. described NFVO is by using the availability of the interconnected required Internet resources of establishing resource reservation operations request VNF of Virtual base infrastructure manager VIM interface, and the availability of reserved described Internet resources;
B. described VIM checks that it retains described Internet resources in the availability of the interconnected required Internet resources of VNF;
C. described VIM returns reserved result to NFVO.
Described confirmation can set up interconnected after, be connected to specific VNF example, described NS instantiation specifically comprised:
Once by known for the VNF example list be configured and suppose that it is not empty, NFVO verifies whether resource can realize the request of VNF instantiation; If use the establishing resource reservation operations of VIM interface to retain these resources;
Described NFVO uses the Resources allocation of VIM interface or upgrades resource operation to ask the network connectivty of VIM instantiation;
Described VIM is that NS has distributed required interconnection network resource;
VIM has confirmed.
Described NFVO runs and also comprises with the feasibility inspection of the interconnected foundation of the virtual VNF of network function:
Once all VNF examples can with but VNFs be not connected, NFVO uses the Resources allocation of VIM interface or upgrades resource operation and asks VIM they to be linked together; It comprises:
A. VIM is asked to connect the external interface of each VNFs;
B. ask VIM that the virtual unit unit VDU relevant to VNF needed is attached to the interconnection network of NS;
C.VIM connects all VDUs of needs to interconnection network;
D.VIM has confirmed.
Described NFVO runs and also comprises with the feasibility inspection of the interconnected foundation of VNF example: described NFVO asks network manager to be connected VNF external interface to physical network functional interface.
Described each VNF example with difference in functionality to forming described NS is monitored and is specifically comprised:
1) VNF monitoring unit sends monitor data to VNFM;
2) described VNFM receives the monitor data that VNF sends, analyzing and processing is carried out to monitor data, obtain useful monitor message, and VNFM determines whether to modify adjustment to VNF example according to described monitor message, if so, NFVO described information is sent to carry out convergent-divergent amendment and/or the new VNF of instantiation one to corresponding VNF example;
3) described NFVO receives the information that VNFM sends, and carries out zoom operations and/or the new VNF of instantiation one to corresponding VNF example.
Described 3rd) step is specially:
NFVO described in 3a. uses the convergent-divergent VNF of VNF lifecycle management interface to operate and receives sender carries out convergent-divergent zoom request to VNF example;
The policy consistency of NFVO checking request described in 3b.;
NFVO described in 3c. uses the convergent-divergent VNF of VNF lifecycle management interface to operate transmission and carries the zoom request of scaled data to VNFM;
VNFM described in 3d. performs the preparation needed, and comprises requests verification, Verification;
VNFM described in 3e. uses the Resources allocation of virtual resources management interface, and more new resources or convergent-divergent resource operation request NFVO carry out resource changing;
NFVO described in 3f. uses the Resources allocation of virtual resources management interface, and more new resources or convergent-divergent resource operation request VIM distribute the change resource required for zoom request, and this change resource comprises calculating, stores and Internet resources;
Inter connected network described in 3h. needed for VIM amendment;
VIM described in 3i. creates and new calculating VMs needed for starting and storage resources and the VMs of new instantiation is belonged to inter connected network;
VIM described in 3j. confirms completing and returning to NFVO of resource changing; Described NFVO confirms completing and returning to VNFM of resource changing;
VNFM described in 3k. uses the get/create/set of VNF configuration interface to configure the VNF of Object Operations configuration convergent-divergent;
VNFM described in 3l. confirms the end of zoom request and returns to NFVO; Described NFVO confirms the end of zoom request and returns to requestor VNFM.
Described scaled data comprises the input scaled data of amendment or the specific restriction of supplementary VNF life cycle management.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
NFV is a grand framework, is subversive change to legacy network deployment way.This virtual network service business that the present invention proposes generates automatically has expanded carrier infrastructure scope with the method for dynamic monitoring, data center apparatus, bearer network, virtualization software system, management and arranging system are all converted into infrastructure, service deployment is all converted into Software deployment, business network resource and load real-time matching, the level of resources utilization obtains maximum lift.
Adopt virtual network service business automatically generate with dynamic monitoring after, automatic management and the flexibility of carrier network promote greatly, and the deployment cycle of a business shortens to several hours from some months, and the dilatation cycle shortens to a few minutes from a few week.The ruuning situation of telecommunication service is fed back in real time according to customer demand and network resource status, is convenient to operation maintenance personnel and makes a policy rapidly, adjust in time, Logistics networks reliability of service and stability.
Accompanying drawing explanation
Below with reference to accompanying drawing, the invention will be further described:
Fig. 1 is the schematic architectural diagram of NFV system;
Fig. 2 is NS instantiation indicative flowchart;
Fig. 3 is VNF example zoom operations indicative flowchart.
Embodiment
The invention provides a kind of virtual network service business and automatically can generate the method with dynamic monitoring, for making object of the present invention, clearly, clearly, and the present invention is described in more detail with reference to accompanying drawing examples for technical scheme and effect.Should be appreciated that concrete enforcement described herein is only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 shows the schematic architectural diagram of NFV system, and as shown in Figure 1, the structure system of NFV is made up of following major function block:
The hardware resource (server, storage, network) of NFV infrastructure (NFVI, NFVInfrastructure)---formation base facility and virtualized example.
Virtual network function (VNF, VirtualizedNetworkFunction)---by the network function of software simulating.
NFV management and arranging system (NFV-MANO, NFVManagementandOrchestration)---manage and key-course, mainly concentrate on the virtual management function running through whole VNF life cycle.NFV-MANO also with (NFV outside) OSS (OSS, OperationSupportSystem)/business support system (BSS, BusinessSupportSystem) mutual, be integrated into the already present management system relating to network-wide basis to allow NFV.
NFV-MANO framework architecture identifies following NFV-MANO functional block:
NFV composer (NFVO): NFVO uses resource layout function to provide the support of the service of the abstract ways access NFVI resource independent of any VIMs, and the management of the VNF example of shared NFVI infrastructure resources.
VNF manager (VNFM): the life cycle of VNF example is in charge of by VNF manager.Each VNF example is assumed that and is associated with a VNF manager.A VNF manager can be assigned with the single VNF example of management, or the management of multiple same or dissimilar VNF example.
Virtual base infrastructure manager (VIM): Virtual base infrastructure manager (VIM) is responsible for the calculating of control and management NFVI, stores and Internet resources, usually in the infrastructure territory of an operator.
On the basis of above-mentioned framework, the NS with specific function can be realized by multiple VNF.The NS end to end that legacy network realizes is made up of physical network function (PNF, PhysicalNetworkFunction) completely.The end-to-end NS realized in NFV is then generally VNF, also can PNF and VNF used in combination.The function that each network function realizes and external interface have nothing to do with PNF or VNF in fact.The topological relation linking formation between VNF and VNF/PNF adopts VNF forwarding figure (VNFFG, VNFForwardingGraph) to describe.The characteristic of each VNF is described by corresponding virtual network function descriptor (VNFD, VirtualisedNetworkFunctionDescriptor) coming.After VNFFG instantiation, VNF forwards view record (VNFFGR, VNFForwardingGraphRecord) and has just pointed to and be used for instantiation VNF and forward VNF, PNF of view and virtual link.
A network service architecturally can be considered one is schemed by the network function forwarding that network infrastructure supports.These network functions can by a single operation network or by different operational network cooperate and realize.The network function behavior of bottom constitutes the behavior of top service.Therefore, network service behavior is the combination of the behavior of its functional block (VNF) of composition.This may comprise independently functional block, functional block set, and VNF forwards figure, and/or infrastructure network.
The virtual automation that present invention achieves network service is disposed, and to the real-time monitoring of virtual network function block (VNF) wherein and dynamic conditioning.
The realization of a network service NS needs one or one group of virtual network function VNFs, and one group of NFV infrastructure NFVI be associated forms to realize jointly.A network service function for IMS just needs multiple VNF, and by formations such as ELLIS, HSS, P-CSCF, I-CSCF and MGCF, and virtual resource supports.The idiographic flow now realizing a network service of IMS is described below:
1.NFV composer (NFVO, NFVOrchestrator) receives the request of the new NS of an instantiation one.Ask by using the NS instantiation operation of NS lifecycle management interface to carry out the new NS of instantiation one.This NS is made up of multiple VNF (comprising ELLIS, HSS, P-CSCF, I-CSCF and MGCF).
2.NFVO verifies request, not only verifies the consistency of the correctness that the validity of request but also certificate parameter are transmitted and strategy.
3. each NFV example needed for NS, by VNF management (VNFM, VNFManager), NFVO checks whether an example of satisfying the demand exists.If such VNF example exists, it will be used as a part for network service.
4.NFVO runs the feasibility inspection of the interconnected foundation of VNF.Step 3 forms the feasibility inspection of request to step 5.Step 3 comprises following sub-step:
A.NFVO is by using the availability of the interconnected and Internet resources needed for retaining of the establishing resource reservation operations request VIMVNF of VIM.
B.VIM checks the availability of the interconnected required Internet resources of VNF and retains them.
C.VIM returns the result of reservation to NFVO.
5., once by known for the VNF example list be configured and suppose that it is not empty, NFVO verifies whether resource can realize the request of VNF instantiation.If use the establishing resource reservation operations of VIM interface to retain these resources.
6.NFVO uses the Resources allocation of VIM interface or upgrades the network connectivty of resource operation request VIM instantiation.
The interconnection network that 7.VIM instantiation NS needs.
8.VIM has confirmed.
9. if the VNF example list needing configuration is not empty, the new VNF example needed for NFVO instantiation.This realizes by using instantiation VNF operation calls " instantiation VNF " request of VNF lifecycle management interface, i.e. instantiation ELLIS, these VNF unit of HSS, P-CSCF, I-CSCF and MGCF.
10. once all VNF examples can with but VNFs be not connected, NFVO uses the Resources allocation of VIM interface or upgrades resource operation and asks VIM they to be linked together.It comprises:
A. VIM is asked to connect the external interface of each VNFs.
B. ask VIM that the virtual deployment unit (VDU, VirtualisationDeploymentUnit) relevant to VNF needed all is attached to the interconnection network of NS.
11.VIM connects the VDUs of needs to interconnection network.
12.VIM has confirmed.
13.NFVO asks network manager to connect VNF external interface to physical network functional interface.
Network manager can be an OSS, a NMS, an EM or VIM.
14.NFVO confirms that NS instantiation completes.
After NS instantiation completes, we carry out pointed monitoring to each VNF example with difference in functionality forming NS.Operation monitoring unit on each VNF, VNFM collection monitoring data also carry out analyzing and processing to data.Idiographic flow is as follows:
1.VNF monitoring unit sends monitor data to VNFM.
2.VNFM receives the monitor data that VNF sends, and carries out analyzing and processing, obtain useful monitor message to monitor data.VNFM can determine whether to modify adjustment to the example of VNF according to these monitor messages, if so, these information is sent to NFVO to carry out convergent-divergent amendment and/or the new VNF of instantiation one to corresponding VNF example.
3.NFVO receives the information that VNFM sends, and carries out zoom operations and/or the new VNF of instantiation one to corresponding VNF example.
The step of the VNF that 3a.NFVO instantiation one is new is similar with above-mentioned NS instantiating step, is only that NS only comprises a VNF, omits herein.
3b.NFVO uses the convergent-divergent VNF of VNF lifecycle management interface to operate and receives sender carries out convergent-divergent zoom request to VNF example.
The policy consistency of 4.NFVO checking request.
5.NFVO uses the convergent-divergent VNF of VNF lifecycle management interface to operate transmission and carries the zoom request of scaled data to VNFM.
6.VNFM performs the preparation of any needs: requests verification, Verification.This may comprise the input scaled data of amendment/supplementary specific restriction of VNF life cycle management.
7.VNFM uses the Resources allocation of virtual resources management interface, and more new resources or convergent-divergent resource operation request NFVO carry out resource changing.
8.NFVO uses the Resources allocation of virtual resources management interface, and more new resources or convergent-divergent resource operation request VIM distribute the change resource (calculate, store and network) that zoom request needs.
Inter connected network needed for 9.VIM amendment.
10.VIM creates and new calculating (VMs) needed for starting and storage resources and the VMs of new instantiation is belonged to inter connected network.
11.VIM confirms completing and returning to NFVO of resource changing.
12.NFVO confirms completing and returning to VNFM of resource changing.
13.VNFM uses the get/create/set of VNF configuration interface to configure the VNF of Object Operations configuration convergent-divergent.
14.VNFM confirms the end of zoom request and returns to NFVO.
15.NFVO confirms the end of zoom request and returns to requestor VNFM.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.
Claims (10)
1. virtual network service business generates the method with dynamic monitoring automatically, it is characterized in that, comprising:
After network function virtual composer NFVO receives the request of a new virtual network service NS; Described NS request comes from an OSS OSS, or business support system BSS;
Described NFVO runs the feasibility inspection with the virtual interconnected foundation of network function VNF;
Confirmation can set up interconnected after, be connected to specific VNF example, by described NS instantiation;
Business monitoring module in system is monitored each VNF example with difference in functionality forming described NS.
2. a kind of virtual network service business according to claim 1 generates the method with dynamic monitoring automatically, it is characterized in that, before described NFVO operation checks with the feasibility of the virtual interconnected foundation of network function VNF, the method also comprises:
Described NFVO will verify described NS request, not only verifies the consistency of the correctness that the validity of request but also certificate parameter are transmitted and strategy.
3. a kind of virtual network service business according to claim 1 generates the method with dynamic monitoring automatically, it is characterized in that, described NS request comprises multiple virtual network function VNFs.
4. a kind of virtual network service business according to claim 1 generates the method with dynamic monitoring automatically, it is characterized in that, described NFVO runs and specifically comprises with the feasibility inspection of the interconnected foundation of the virtual VNF of network function:
For each VNF example needed for described NS, by VNF manager VNFM, described NFVO checks whether an example of satisfying the demand exists, if such VNF example exists, it will be used as a part of described NS;
A. described NFVO is by using the availability of the interconnected required Internet resources of establishing resource reservation operations request VNF of Virtual base infrastructure manager VIM interface, and the availability of reserved described Internet resources;
B. described VIM checks that it retains described Internet resources in the availability of the interconnected required Internet resources of VNF;
C. described VIM returns reserved result to NFVO.
5. a kind of virtual network service business according to claim 1 generates the method with dynamic monitoring automatically, it is characterized in that, described confirmation can set up interconnected after, be connected to specific VNF example, described NS instantiation specifically comprised:
Once by known for the VNF example list be configured and suppose that it is not empty, NFVO verifies whether resource can realize the request of VNF instantiation; If use the establishing resource reservation operations of VIM interface to retain these resources;
Described NFVO uses the Resources allocation of VIM interface or upgrades resource operation to ask the network connectivty of VIM instantiation;
Described VIM is that NS has distributed required interconnection network resource;
VIM has confirmed.
6. a kind of virtual network service business according to claim 4 generates the method with dynamic monitoring automatically, it is characterized in that, described NFVO runs and also comprises with the feasibility inspection of the interconnected foundation of the virtual VNF of network function:
Once all VNF examples can with but VNFs be not connected, NFVO uses the Resources allocation of VIM interface or upgrades resource operation and asks VIM they to be linked together; It comprises:
A. VIM is asked to connect the external interface of each VNFs;
B. ask VIM that the virtual unit unit VDU relevant to VNF needed is attached to the interconnection network of NS;
C.VIM connects all VDUs of needs to interconnection network;
D.VIM has confirmed.
7. a kind of virtual network service business according to claim 5 or 6 generates the method with dynamic monitoring automatically, it is characterized in that, described NFVO runs and also comprises with the feasibility inspection of the interconnected foundation of VNF example: described NFVO asks network manager to be connected VNF external interface to physical network functional interface.
8. a kind of virtual network service business according to claim 1 generates the method with dynamic monitoring automatically, it is characterized in that, described each VNF example with difference in functionality to forming described NS is monitored and specifically comprised:
1) VNF monitoring unit sends monitor data to VNFM;
2) described VNFM receives the monitor data that VNF sends, analyzing and processing is carried out to monitor data, obtain useful monitor message, and VNFM determines whether to modify adjustment to VNF example according to described monitor message, if so, NFVO described information is sent to carry out convergent-divergent amendment and/or the new VNF of instantiation one to corresponding VNF example;
3) described NFVO receives the information that VNFM sends, and carries out zoom operations and/or the new VNF of instantiation one to corresponding VNF example.
9. a kind of virtual network service business according to claim 8 generates the method with dynamic monitoring automatically, it is characterized in that, the described 3rd) step is specially:
NFVO described in 3a. uses the convergent-divergent VNF of VNF lifecycle management interface to operate and receives sender carries out convergent-divergent zoom request to VNF example;
The policy consistency of NFVO checking request described in 3b.;
NFVO described in 3c. uses the convergent-divergent VNF of VNF lifecycle management interface to operate transmission and carries the zoom request of scaled data to VNFM;
VNFM described in 3d. performs the preparation needed, and comprises requests verification, Verification;
VNFM described in 3e. uses the Resources allocation of virtual resources management interface, and more new resources or convergent-divergent resource operation request NFVO carry out resource changing;
NFVO described in 3f. uses the Resources allocation of virtual resources management interface, and more new resources or convergent-divergent resource operation request VIM distribute the change resource required for zoom request, and this change resource comprises calculating, stores and Internet resources;
Inter connected network described in 3h. needed for VIM amendment;
VIM described in 3i. creates and new calculating VMs needed for starting and storage resources and the VMs of new instantiation is belonged to inter connected network;
VIM described in 3j. confirms completing and returning to NFVO of resource changing; Described NFVO confirms completing and returning to VNFM of resource changing;
VNFM described in 3k. uses the get/create/set of VNF configuration interface to configure the VNF of Object Operations configuration convergent-divergent;
VNFM described in 3l. confirms the end of zoom request and returns to NFVO; Described NFVO confirms the end of zoom request and returns to requestor VNFM.
10. a kind of virtual network service business according to claim 9 generates the method with dynamic monitoring automatically, it is characterized in that, described scaled data comprises the input scaled data of amendment or the specific restriction of supplementary VNF life cycle management.
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