CN108696373B

CN108696373B - Virtual resource allocation method, NFVO and system

Info

Publication number: CN108696373B
Application number: CN201710226931.7A
Authority: CN
Inventors: 夏海涛
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2017-04-06
Filing date: 2017-04-06
Publication date: 2019-09-20
Anticipated expiration: 2037-04-06
Also published as: CN108696373A; WO2018184504A1

Abstract

This application discloses a kind of virtual resource allocation method, NFVO and systems, are related to the communications field, for reducing the time delay of NFV MANO operation.Virtual resource allocation method includes: that NFVO is requested from OSS/BSS reception the first NS instantiation, parameter is instantiated including instruction information, the first VNF instantiation parameter and/or the first nesting NS, first VNF instantiation parameter is used to indicate the instantiation requirement of VNF example in the first NS example, and the first nesting NS instantiation parameter is used to indicate the instantiation requirement of nesting NS example in the first NS example；When indicating that information instruction carries out real time implementation processing, VNF example is selected from NS example resource pond according to NS instantiation restrictive condition, the first VNF instantiation parameter, restrictive condition is instantiated according to NS, the first nesting NS instantiation parameter selects nesting NS example from NS example resource pond；Selected VNF example and/or nesting NS example are assembled and/or configured to instantiate the first NS example.The embodiment of the present application is applied to 5G slice management scene.

Description

Virtual resource allocation method, NFVO and system

Technical field

This application involves the communications field more particularly to a kind of virtual resource allocation methods, NFVO and system.

Background technique

Network function virtualization (Network Function Virtualization, NFV) is that telecommunication network operators are logical The virtualization technology for crossing the field reference information technology (Information Technology, IT) in general Cloud Server, is handed over It changes planes and part telecommunication network function is subjected to software and hardware decoupling in memory, to realize network service (Network Service, NS) quick, efficient deployment, while reaching the operation target of reduce investment outlay cost and operation cost.

In the environment of NFV, NS be by one group of virtualization network function (Virtualized Network Functions, ) and/or the complete function of the presentation network connection feature of one group of nested network service (Nested NS) composition VNF.NS is by it Function and behavioral trait are determined, in European Communication Standard association (European Telecommunications Standards Institute, ETSI) network function virtual management and layout (Network Function Virtualization Management and Orchestration, NFV MANO) one group of life cycle pipe is realized in standard Manage the function of (Life Cycle Management, LCM).Currently, NS LCM operation is non real-time nature.For example, ought be real on demand When one exampleization, elastic telescopic or update NS example, the time of consuming is usually short to several minutes, grows to dozens of minutes.It is wherein empty The distribution of quasi- resource is time-consuming major part.

In addition, the 5th third-generation mobile communication (5th Generation, 5G) slice management (Slice Management) scene Introducing bring the new feature of NS LCM managing diversity under NFV environment, it is desirable that real-time response and place are reinforced in NS LCM operation The ability of reason.Typical scene includes: automatic Pilot application, tele-medicine, amusement and game etc..It needs the NFV of chain of command MANO operation time delay be down to the second grade it is even lower, with cope with NFV technical support 5G slice management scene in it is very sensitive to time delay Vertical applications demand.But existing NFV MANO function cannot achieve this target.

Summary of the invention

Embodiments herein provides a kind of virtual resource allocation method, NFVO and system, for reducing NFV MANO behaviour The time delay of work.

In order to achieve the above objectives, embodiments herein adopts the following technical scheme that

In a first aspect, providing a kind of virtual resource allocation method, comprising: network function virtualizes composer NFVO from fortune Battalion and business support system OSS/BSS receive first network service NS instantiation request, wherein the first NS instantiation request is used for First NS example is instantiated, includes indicating that information, the first virtualization network function VNF are real in the first NS instantiation request Exampleization parameter and/or the first nesting NS instantiate parameter, and instruction information is used to indicate whether to carry out real time implementation processing, the first VNF Instantiation parameter is used to indicate the instantiation requirement of VNF example in the first NS example, and the first nesting NS instantiation parameter is for referring to Show the instantiation requirement of nesting NS example in the first NS example；When indicate information instruction carry out real time implementation processing when, NFVO according to NS instantiation restrictive condition, the first VNF instantiation parameter VNF example is selected from NS example resource pond, and/or, NFVO according to NS instantiation restrictive condition, the first nesting NS instantiation parameter select nesting NS example from NS example resource pond, wherein NS is real Example resource pool includes the VNF example and/or nesting NS example using different resource specification；NFVO to selected VNF example and/ Or nesting NS example is assembled and/or is configured to instantiate the first NS example.Virtual resource provided by the embodiments of the present application point Method of completing the square instantiates restrictive condition according to NS and instantiation parameter is selected from NS example resource pond when there is real time implementation demand The VNF example and/or nesting NS example met the requirements, is assembled and/or is configured to instantiate NS example.Since NS example provides VNF example and/or nesting NS example in the pond of source are assigned with virtual resource in advance, do not need the sub-distribution again in NS LCM operation Virtual resource saves the operation response time, to reduce the time delay of NS LCM operation.

In a kind of possible design, this method further include: NFVO is by selected VNF example and/or nesting NS example Use state information flag be it is occupied.The design can distinguish VNF example and/or nesting NS reality in NS example resource pond Whether example is occupied.

In a kind of possible design, composer NFVO is virtualized from operation and business support system OSS/ in network function Before BSS receives first network service NS instantiation request, this method further include: NFVO receives the 2nd NS example from OSS/BSS Change request, for instantiating NS example resource pond, the 2nd NS instantiation request includes one or more groups of for the 2nd NS instantiation request 2nd VNF instantiates parameter and/or one or more groups of second nesting NS instantiate parameter, and one group of the 2nd VNF instantiation parameter is used In determining VNF example virtual resource specification to be used in instantiation NS example resource pond, one group of second nesting NS instantiation is joined Number is for determining nesting NS example virtual resource specification to be used in instantiation NS example resource pond；NFVO is to virtual network function Energy manager VNFM sends VNF instantiation request, and VNF instantiation is requested for carrying out to the VNF example in NS example resource pond Instantiation, VNF instantiation request include that the identification information of VNF example and the 2nd VNF instantiate parameter；In NS example resource pond VNF example and/or nesting NS example, are not attached by virtual link each other.This design provides a kind of creation NS The method in example resource pond.

In a kind of possible design, this method further include: NFVO receives the request of NS elastic telescopic, NS bullet from OSS/BSS Property telescoping request be used for the VNF example and/or nesting NS example progress elastic telescopic in the first NS example, NS elastic telescopic asks It include instruction information, the identification information of the first NS example, VNF example elastic telescopic parameter and/or nesting NS example elasticity in asking Warp parameter, VNF example elastic telescopic parameter are used to indicate the target resource specification that need to be used to the VNF example of elastic telescopic, Nested NS example elastic telescopic parameter is used to indicate the target resource specification that need to be used to the nested NS example of elastic telescopic；Work as finger When showing that information instruction carries out real time implementation processing, NFVO selects VNF from NS example resource pond according to VNF example elastic telescopic parameter Example, and/or, NFVO selects nesting NS example according to nested NS example elastic telescopic parameter from NS example resource pond；NFVO Selected VNF example and/or nesting NS example are assembled and configured to determine the 2nd NS after executing elastic telescopic Example；NFVO will be on the business migration to the 2nd NS example of the first NS example；NFVO by the first NS example VNF example and/ Or nesting NS example is recycled to NS example resource pond, and by the VNF example of recycling and/or the use state information of nesting NS example Labeled as unoccupied, by NS example resource pond used in the 2nd NS example VNF example and/or nesting NS example make With status information labeled as occupied.This design provides the methods that a kind of pair of NS example carries out elastic telescopic operation.

In a kind of possible design, this method further include: NFVO receives the first NS termination from OSS/BSS and requests, and first NS termination request includes the identification information of the first NS example；NFVO is according to the identification information of the first NS example, by the first NS example In VNF example and/or nesting NS example be recycled to NS example resource pond, and by the VNF example of recycling and/or nesting NS example Use state information flag be it is unoccupied.This design provides a kind of VNF example by NS example and/or nesting NS are real The method that example is recycled to NS example resource pond.

In a kind of possible design, the 2nd NS instantiation request further includes the identification information in NS example resource pond, the party Method further include: NFVO receives the 2nd NS termination request from OSS/BSS, and the 2nd NS termination request includes the mark in NS example resource pond Information；NFVO sends VNF termination request to VNFM, and VNF termination request includes corresponding with the identification information in NS example resource pond The identification information of the VNF example in NS example resource pond, for discharging the resource of corresponding VNF example.It is incited somebody to action this design provides a kind of The method of NS example resource pond release.

In a kind of possible design, this method further include: NFVO sends VNF reality to virtual network function manager VNFM The use state information of example.The design is so that VNFM is known that the use state of VNF example in NS example resource pond.

In a kind of possible design, instantiation restrictive condition includes: between VNF example and/or between nesting NS example Position constraint, compatibility, anti-compatibility rule.This design provides a kind of particular contents for instantiating restrictive condition.

In a kind of possible design, operation and business support system OSS/BSS are slice manager or network slice pipe Manage device.This design provides the specific implementations of a kind of operation and business support system OSS/BSS.

In a kind of possible design, this method further include: NFVO receives NS from OSS/BSS and updates request, and NS update is asked Ask for in the first NS example VNF example and/or nesting NS example be updated, NS update request in include instruction letter Breath, the identification information of the first NS example, VNF example undated parameter and/or nesting NS example undated parameter, VNF example update ginseng Number is for determining that the target resource specification in NS example resource pond that VNF example to be updated need to use, nested NS example update Parameter is used to determine the target resource specification in the NS example resource pond that nested NS example to be updated need to use；When instruction information When instruction carries out real time implementation processing, NFVO selects VNF example according to VNF example undated parameter from NS example resource pond, and/ Or, NFVO selects nesting NS example according to nested NS example undated parameter from NS example resource pond；NFVO is to selected VNF Example and/or nesting NS example are assembled and are configured to determine the 3rd NS example executed after updating；NFVO is by the first NS On the business migration of example to the 3rd NS example；NFVO by the first NS example VNF example and/or nesting NS example be recycled to NS example resource pond, and be unoccupied, general by the use state information flag of the VNF example of recycling and/or nesting NS example The use state information flag of VNF example and/or nesting NS example in NS example resource pond used in 3rd NS example is It is occupied.This design provides the methods that a kind of pair of NS example is updated.

Second aspect, the embodiment of the present application provide a kind of network function virtualization composer NFVO, comprising: receive single Member, for receiving first network service NS instantiation request from operation and business support system OSS/BSS, wherein the first NS is real Exampleization is requested for instantiating to the first NS example, includes instruction information, the first virtualization in the first NS instantiation request Network function VNF instantiates parameter and/or the first nesting NS instantiates parameter, and instruction information is used to indicate whether to carry out real time implementation Processing, the first VNF instantiation parameter are used to indicate the instantiation requirement of VNF example in the first NS example, the first nesting NS example Change the instantiation requirement that parameter is used to indicate nesting NS example in the first NS example；Selecting unit, for when instruction information instruction When carrying out real time implementation processing, restrictive condition is instantiated according to NS, the first VNF instantiation parameter is selected from NS example resource pond VNF example, and/or, it is selected from NS example resource pond according to NS instantiation restrictive condition, the first nesting NS instantiation parameter embedding Cover NS example, wherein NS example resource pond includes the VNF example and/or nesting NS example using different resource specification；Instantiation Unit, for selected VNF example and/or nesting NS example to be assembled and/or configured to instantiate the first NS example. NFVO provided by the embodiments of the present application instantiates restrictive condition and instantiation parameter from NS according to NS when there is real time implementation demand The VNF example met the requirements and/or nesting NS example are selected in example resource pond, are assembled and/or are configured to instantiate NS Example.Due in NS example resource pond VNF example and/or nesting NS example be assigned with virtual resource in advance, do not need in NS Virtual resource is distributed again in LCM operation, saves the operation response time, to reduce the time delay of NS LCM operation.Based on same One inventive concept, the principle and beneficial effect solved the problems, such as due to the device may refer to above-mentioned first aspect and first aspect Each possible method implementation and brought beneficial effect, therefore the implementation of the device may refer to above-mentioned first party The embodiment of each possible method of face and first aspect, overlaps will not be repeated.

The third aspect, the embodiment of the present application provide a kind of network function virtualization composer NFVO, comprising: processor is deposited Reservoir, bus and communication interface；For the memory for storing computer executed instructions, the processor and the memory are total by this Line connection, when NFVO operation, which executes the computer executed instructions of memory storage, so that NFVO is executed The method of any one of above-mentioned first aspect；Based on the same inventive concept, processor calls instruction stored in memory The scheme in method design to realize above-mentioned first aspect, due to the NFVO embodiment solved the problems, such as and beneficial effect It may refer to the embodiment and beneficial effect of each possible method of above-mentioned first aspect and first aspect, therefore the NFVO Implementation may refer to the implementation of method, overlaps will not be repeated.

Fourth aspect, the embodiment of the present application provide a kind of computer storage medium, including instruction, when its on computers When operation, so that computer executes the virtual resource allocation method such as first aspect.

5th aspect, the embodiment of the present application provides a kind of computer program product comprising instruction, when it is in computer When upper operation, so that the computer executes the virtual resource allocation method such as first aspect.

In addition, second aspect technical effect brought by any design method into the 5th aspect can be found in first aspect Technical effect brought by middle different designs mode, details are not described herein again.

6th aspect, the embodiment of the present application provide a kind of virtual resource allocation method, comprising: operation and commercial affairs support system The OSS/BSS that unites sends first network service NS to network function virtualization composer NFVO and instantiates request, wherein the first NS is real Exampleization is requested for instantiating to the first NS example, includes instruction information, the first virtualization in the first NS instantiation request Network function VNF instantiates parameter and/or the first nesting NS instantiates parameter, and instruction information is used to indicate whether to carry out real time implementation Processing, the first VNF instantiation parameter are used to indicate the instantiation requirement of VNF example in the first NS example, the first nesting NS example Change the instantiation requirement that parameter is used to indicate nesting NS example in the first NS example.Virtual resource provided by the embodiments of the present application point Method of completing the square instantiates restrictive condition according to NS and instantiation parameter is selected from NS example resource pond when there is real time implementation demand The VNF example and/or nesting NS example met the requirements, is assembled and/or is configured to instantiate NS example.Since NS example provides VNF example and/or nesting NS example in the pond of source are assigned with virtual resource in advance, do not need the sub-distribution again in NS LCM operation Virtual resource saves the operation response time, to reduce the time delay of NS LCM operation.

In a kind of possible design, composer is virtualized to network function in operation and business support system OSS/BSS Before NFVO sends first network service NS instantiation request, this method further include: OSS/BSS is according to ultralow time delay or reality The demand creation slice example of a kind of vertical applications of Shi Xingqiang；OSS/BSS sends the 2nd NS instantiation to NFVO and requests, and second For instantiating NS example resource pond, the 2nd NS instantiation request includes one or more groups of 2nd VNF examples for NS instantiation request Change parameter and/or one or more groups of second nesting NS instantiate parameter, one group of the 2nd VNF instantiation parameter is for determining instantiation VNF example virtual resource specification to be used in NS example resource pond, one group of second nesting NS instantiation parameter are real for determining Nesting NS example virtual resource specification to be used in exampleization NS example resource pond；VNF example in NS example resource pond and/or Nested NS example, is not attached by virtual link each other.This design provides a kind of creation NS example resource ponds Method.

In a kind of possible design, this method further include: OSS/BSS sends the request of NS elastic telescopic to NFVO, wherein The request of NS elastic telescopic is for the VNF example and/or nesting NS example progress elastic telescopic in the first NS example, NS elasticity to stretch It include instruction information, the identification information of the first NS example, VNF example elastic telescopic parameter and/or nesting NS example in contracting request Elastic telescopic parameter, the NS example resource that VNF example elastic telescopic parameter need to be used for determining the VNF example to elastic telescopic Target resource specification in pond, nested NS example elastic telescopic parameter for determine to elastic telescopic nested NS example need using NS example resource pond in target resource specification.This design provides the sides that a kind of pair of NS example carries out elastic telescopic operation Method.

In a kind of possible design, this method further include: OSS/BSS sends NS to NFVO and updates request, wherein NS is more New request for in the first NS example VNF example and/or nesting NS example be updated, it includes indicating in request that NS, which updates, Information, the identification information of the first NS example, VNF example undated parameter and/or nesting NS example undated parameter, VNF example update Parameter is used to determine the target resource specification in the NS example resource pond that VNF example to be updated need to use, and nested NS example is more New parameter is used to determine the target resource specification in the NS example resource pond that nested NS example to be updated need to use.The design mentions The method for having supplied a kind of pair of NS example to be updated operation.

In a kind of possible design, this method further include: OSS/BSS sends the first NS termination request to NFVO；Wherein, First NS termination request for by the first NS example VNF example and/or nesting NS example be released back into NS example resource pond.It should Design provides a kind of method that the VNF example by NS example and/or nesting NS example are recycled to NS example resource pond.

In a kind of possible design, this method further include: OSS/BSS is according to one with ultralow time delay or strong real-time The demand termination slice example of class vertical applications；OSS/BSS sends the 2nd NS termination request to NFVO, wherein the 2nd NS termination Request includes the identification information in NS example resource pond, for (release) the NS example resource pond that terminates.This design provides one kind The method that NS example resource pond is discharged.

7th aspect, the embodiment of the present application provide a kind of run and business support system OSS/BSS, comprising: send single Member, for sending first network service NS instantiation request to network function virtualization composer NFVO, wherein the first NS example Change request for instantiating to the first NS example, includes instruction information, the first virtualization net in the first NS instantiation request Network function VNF instantiates parameter and/or the first nesting NS instantiates parameter, and instruction information is used to indicate whether to carry out at real time implementation Reason, the first VNF instantiation parameter are used to indicate the instantiation requirement of VNF example in the first NS example, the first nesting NS instantiation Parameter is used to indicate the instantiation requirement of nesting NS example in the first NS example.OSS/BSS provided by the embodiments of the present application, when having When real time implementation demand, restrictive condition is instantiated according to NS and instantiates what parameter selected to meet the requirements from NS example resource pond VNF example and/or nesting NS example, are assembled and/or are configured to instantiate NS example.Due in NS example resource pond VNF example and/or nesting NS example are assigned with virtual resource in advance, do not need NS LCM operation in again sub-distribution virtually provide Source saves the operation response time, to reduce the time delay of NS LCM operation.Based on the same inventive concept, due to the device solution Certainly the principle of problem and beneficial effect may refer to each possible method implementation of above-mentioned 6th aspect and the 6th aspect And brought beneficial effect, therefore the implementation of the device may refer to it is above-mentioned 6th aspect and the 6th aspect it is each possible The embodiment of method, overlaps will not be repeated.

Eighth aspect, the embodiment of the present application provide a kind of run and business support system OSS/BSS, comprising: processor is deposited Reservoir, bus and communication interface；For the memory for storing computer executed instructions, the processor and the memory are total by this Line connection, when OSS/BSS operation, which executes the computer executed instructions of memory storage, so that OSS/ The method that BSS executes any one of above-mentioned 6th aspect；Based on the same inventive concept, processor calls storage in memory Method design of the instruction to realize above-mentioned 6th aspect in scheme, the embodiment solved the problems, such as due to the OSS/BSS with And beneficial effect may refer to the embodiment and beneficial effect of each possible method of above-mentioned 6th aspect and the 6th aspect, Therefore the implementation of the OSS/BSS may refer to the implementation of method, and overlaps will not be repeated.

9th aspect, the embodiment of the present application provide a kind of computer storage medium, including instruction, when its on computers When operation, so that computer executes the virtual resource allocation method in terms of the such as the 6th.

Tenth aspect, the embodiment of the present application provides a kind of computer program product comprising instruction, when it is in computer When upper operation, so that the computer executes the virtual resource allocation method in terms of the such as the 6th.

In addition, the 7th aspect technical effect brought by any design method into the tenth aspect can be found in the 6th aspect Technical effect brought by middle different designs mode, details are not described herein again.

Tenth on the one hand, a kind of network function virtualization NFV system is provided, including the network function as described in second aspect Composer NFVO and operation and business support system OSS/BSS as described in terms of the 7th can be virtualized, alternatively, including such as third NFVO described in the aspect and OSS/BSS as described in eighth aspect.Above-mentioned OSS/BSS is used for according to ultralow time delay or in real time Property strong vertical applications demand and the slice example that creates or terminate, the slice example pass through the network waiter of NFVO real time implementation Cycle management NS LCM operation is ordered to support.Technical effect brought by tenth one side can be found in first aspect and the 6th aspect Technical effect brought by middle different designs mode, details are not described herein again.

Detailed description of the invention

In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technical description to be briefly described.

Fig. 1 is the NFV system architecture schematic diagram that embodiments herein provides；

Fig. 2 is the hardware structural diagram of each server under the NFV system that embodiments herein provides；

Fig. 3 is a kind of flow diagram for virtual resource allocation method that embodiments herein provides；

Fig. 4 is the flow diagram for another virtual resource allocation method that embodiments herein provides；

Fig. 5 is the flow diagram for the creation NS example resource pond method that embodiments herein provides；

Fig. 6 is the flow diagram for the NS elastic telescopic method that embodiments herein provides；

Fig. 7 is the flow diagram for the NS update method that embodiments herein provides；

Fig. 8 is the flow diagram for the first NS instance method of recycling that embodiments herein provides；

Fig. 9 is the flow diagram for the release NS example resource pond method that embodiments herein provides；

Figure 10 is a kind of structural schematic diagram for NFVO that embodiments herein provides；

Figure 11 is the structural schematic diagram for another NFVO that embodiments herein provides；

Figure 12 is the structural schematic diagram for another NFVO that embodiments herein provides；

Figure 13 is a kind of structural schematic diagram for OSS/BSS that embodiments herein provides；

Figure 14 is the structural schematic diagram for another OSS/BSS that embodiments herein provides；

Figure 15 is the structural schematic diagram for another OSS/BSS that embodiments herein provides.

Specific embodiment

Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete Site preparation description.

NFV system architecture provided by the embodiments of the present application is as shown in fig. 1, the NFV system 100 include: NFV management and Arranging system (NFV management and orchestration, NFV MANO) 101；NFV infrastructure (NFV Infrastructure, NFVI) 102；At least one virtual network function 103；At least one NE Explorer (Element Manager, EM) 104；And it runs and business support system (Operations and Business Support Systems, OSS/BSS) 105.Wherein, NFV management and arranging system 101 include NFV composer (NFV Orchestrator, NFVO) 1011, at least one VNF manager (VNF Manager, VNFM) 1012 and virtualized infrastructure manager (Virtualized Infrastructure Manager, VIM) 1013.

NFV MANO 101 is used to execute the monitoring and management to VNF 103 and NFVI 102.

Network service descriptor (NS Descriptor, NSD), virtual network function forwarding figure may be implemented in NFVO 1011 The management and processing of (VNF Forwarding Graph, VNFFG), the management of network service lifecycle and VNFM cooperation are real The life cycle management of existing VNF and the global view function of virtual resource.

The life cycle management of virtualization network function VNF may be implemented in VNFM 1012, including virtualization network function is retouched State the management of symbol (VNF Descriptor, VNFD), the instantiation of VNF, elastic telescopic (including the dilatation of VNF example (Scaling out/up) and capacity reducing (Scaling in/down)), the healing (healing) of VNF example and VNF example It terminates.Elastic telescopic (scaling) strategy that VNFM 1012 also supports reception NFVO 1011 to issue, realizes the VNF of automation Elastic telescopic.

VIM 1013 is mainly responsible for the management (including reserved and distribution) of infrastructure layer hardware resource, virtualization resource, The monitoring of virtual resource state and failure report, and provide virtualization resource pond towards upper layer application.

OSS/BSS 105 refers to the currently running maintenance system OSS/BSS of operator.

EM 104 executes traditional failure, configuration, user, performance and safety management (Fault for VNF Management,Configuration Management,Account Management,Performance Management, Security Management, abbreviation FCAPS) function.

VNF correspond in the non-virtualized network of tradition physical network function (Physical Network Function, PNF), such as evolution block core net (Evolved Packet Core, EPC) node (such as mobility management entity of virtualization (Mobile Management Entity, MME), gateway (Serving GateWay, SGW), grouped data network gateway (Packet data network GateWay, PGW) etc.).The nothing whether function sexual behavior and state and virtualization of network function It closes, NFV technical need wishes that VNF and PNF possess identical function sexual behavior and external interface.

VNF can be by the other component of multiple even lower levels (VNF Component, VNFC) Lai Zucheng, therefore, a VNF 103 can be deployed on multiple VM 104, and each VM 104 carries the function of 103 component of VNF；Multiple VNF 103 can also To be deployed on a VM 104.

NFVI 102 includes hardware resource layer 1021, virtual resource layer (software resource) 1022 and virtualization layer 1023.It is empty Quasi- resource layer 1022 includes at least one virtual machine (Virtual Machine, VM) 10221.For the angle of VNF, virtually Change layer 1023 and hardware resource layer 1021 looks like the complete entity for being capable of providing required virtual resource.

The data of NFV MANO 101 are all stored in following repository:

NFV example: including all network service instances being currently running and VNF example.

NFVI resource: including all NFVI resource status, available/reserved/allocated NFVI resource.

It referring to fig. 2, is a kind of hardware structural diagram of server provided by the embodiments of the present application, the server 200 include at least one processor 201, communication bus 202, memory 203 and at least one communication interface 204.

Processor 201 can be a general central processor (Central Processing Unit, CPU), micro process Device, application-specific integrated circuit (Application-Specific Integrated Circuit, ASIC) or one or more A integrated circuit executed for controlling application scheme program.

Communication bus 202 may include an access, and information is transmitted between said modules.

Communication interface 204, using the device of any transceiver one kind, for other equipment or communication, such as Ethernet, wireless access network (Radio Access Network, RAN), WLAN (Wireless Local Area Networks, WLAN) etc..

Memory 203 can be read-only memory (Read-Only Memory, ROM) or can store static information and instruction Other kinds of static storage device, random access memory (Random Access Memory, RAM) or letter can be stored The other kinds of dynamic memory of breath and instruction, is also possible to Electrically Erasable Programmable Read-Only Memory (Electrically Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact Disc Read- Only Memory, CD-ROM) or other optical disc storages, optical disc storage (including compression optical disc, laser disc, optical disc, digital universal Optical disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store to have referring to Enable or data structure form desired program code and can by any other medium of computer access, but not limited to this. Memory, which can be, to be individually present, and is connected by bus with processor.Memory can also be integrated with processor.

Wherein, memory 203 is used to store the application code for executing application scheme, and is controlled by processor 201 System executes.Processor 201 is for executing the application code stored in memory 203, to realize in the embodiment of the present application The downlink signal transmission.

In the concrete realization, as one embodiment, processor 201 may include one or more CPU, such as in figure CPU0 and CPU1.

In the concrete realization, as one embodiment, server 200 may include multiple processors, such as the place in figure Manage device 201 and processor 208.Each of these processors can be monokaryon (single-CPU) processor, can also To be multicore (multi-CPU) processor.Here processor can refer to one or more equipment, circuit, and/or be used for Handle the processing core of data (such as computer program instructions).

In the concrete realization, as one embodiment, server 200 can also include output equipment 205 and input equipment 206.Output equipment 205 and processor 201 communicate, and can show information in many ways.For example, output equipment 205 can be with It is liquid crystal display (Liquid Crystal Display, LCD), Light-Emitting Diode (Light Emitting Diode, LED) Show equipment, cathode-ray tube (Cathode Ray Tube, CRT) shows equipment or projector (projector) etc..Input Equipment 206 and processor 201 communicate, and can receive the input of user in many ways.For example, input equipment 206 can be mouse Mark, keyboard, touch panel device or sensing equipment etc..

Above-mentioned server 200 can be a generic server either private server.Or there are similar structures Equipment.The embodiment of the present application does not limit the type of server 200.For example, server 200 can be VNFO shown in Fig. 1 1011, VNFM 1012, VIM 1013, NFVI 102,105 server of OSS/BSS etc..It should be noted that the application is implemented Although example respectively corresponds a server with each function and is described, it will be recognized to those skilled in the art that in reality In product, multiple functions can also be realized on one server, in the embodiment of the present application protection scope.

The present invention proposes a kind of virtual resource allocation methods, devices and systems, according to one kind with ultralow time delay or in real time NFVI layers of virtual machine or container resource are assembled into different size by the typical services feature of the vertical applications of property demand in advance VNFC, VNF example and/or nesting NS example, when NFVO executes NS LCM operation, directly from available semi-finished product VNFC, VNF Selection assembles or updates NS example to be operated in example and/or nesting NS example.

How the typical services feature of the vertical industry application illustrated below realized using 5G slice determines that satisfaction is super The VNFC of low time delay or the different size of real-time demand, VNF example and/or nesting NS example.For example, heat is held in certain stadium Door match, spectators are shared on spy by mobile video in circle of friends or push away in coming to matches.It requires to upload in this process Video is unable to Caton, has stronger real-time interactive.Service resources signature analysis is as follows:

1, before competing before half an hour, service traffics are very small, and primary end users are field officer.

2, to prologue within half an hour before competing, service traffics are gradually increased, and mainly downlink data, are presented as not The spectators of the disconnected spectators and venue periphery to show up, which download, refreshes the views such as relevant news of competing, exploitation or pre-games prediction Frequently.

3, after match starts, with the progress of match, uplink service stream is gradually increased, and downstream service flow remains unchanged or subtracts It is few, be presented as spectators constantly record video uploads to network and shares with friend.

4, when end of match, uplink service stream reaches peak value, is presented as that the mood of spectators reaches highest, while enrolling video The quantity for uploading network reaches peak.

5, end of match half an hour after, spectators gradually disperse.Service traffics are successively decreased, and pre race state is finally restored to.

According to the typical services stream feature of above-mentioned application, the provider of application can assemble and different Business Streams in advance VNFC the or VNF example for the different virtual resource specifications that model matches.Such as: for needing to be deployed in sport in example above (it is understood that the virtualization packet switch gateway (virtualized Packet switching GateWay, vPGW) in shop For a kind of VNF example), it can determine five grades of different resource specifications:

Specification 1: the VNF (low computing resource, low storage resource, low Internet resources) of low-resource configuration.

Specification 2: uplink network resource higher configured VNF (middle computing resource, middle storage resource, middle uplink network resource, Low row Internet resources).

Specification 3: uplink network resource height configuration VNF (high computing resource, high storage resource, high uplink network resource, in Downlink network resource).

Specification 4: downlink network resource higher configured VNF (middle computing resource, middle storage resource, middle downlink network resource, Low uplink network resource).

Specification 5: downlink network resource height configuration VNF (high computing resource, high storage resource, high downlink Internet resources, in Uplink network resource).

After the dynamic change that NFVO monitors virtual resource occupied by NS crosses scheduled thresholding, or when NFVO is received After the specific NS LCM operation requests initiated to OSS/BSS, NFVO is directly from the VNF example including different virtual resource specifications And/or in the resource pool of nesting NS example, selection meets the semi-finished product of a kind of specification of resource requirement in NS LCM operation requests VNF example and/or nesting NS example, to assemble or update NS example.

The embodiment of the present application provides a kind of virtual resource allocation method, referring to fig. 3, comprising:

S101, OSS/BSS send the first NS instantiation request to NFVO, wherein the first instantiation request is for first NS example is instantiated, and includes instruction information, the first virtualization network function VNF instantiation ginseng in the first NS instantiation request Several and/or the first nesting NS instantiates parameter, and instruction information is used to indicate whether to carry out real time implementation processing, the first VNF instantiation Parameter is used to indicate the instantiation requirement of VNF example in the first NS example, and the first nesting NS instantiation parameter is used to indicate first The instantiation requirement of nesting NS example in NS example.

Illustratively, OSS/BSS can be slice manager (Slice Manager), or referred to as network slice management Device (Network Slice Manager).

It optionally, can also include the identification information of the first NS example in the first NS instantiation request.

S102, NFVO receive the first NS instantiation request from OSS/BSS.

S103, when the first NS instantiation request in instruction information instruction carry out real time implementation processing when, NFVO according to NS reality Exampleization restrictive condition, the first VNF instantiation parameter select VNF example from NS example resource pond, and/or, NFVO is according to NS reality Exampleization restrictive condition, the first nesting NS instantiation parameter select nesting NS example from NS example resource pond, wherein NS example money Source pond includes the VNF example and/or nesting NS example using different resource specification.

NS instantiation restrictive condition includes but is not limited to: the position between VNF example and/or between nesting NS example is about The qualifications such as beam, compatibility, anti-compatibility rule.

NS example resource pond may be considered the NS example of a simulation, be that a common NS example is cut by resource With a kind of special NS example formed after function cutting.NS example resource pond includes the different virtual resource specifications of one group of reflection VNF example and/or nesting NS example, these VNF examples and/or nesting NS example are towards with ultralow time delay and/or real-time The service feature of strong a kind of vertical industry application and it is customized.By taking the scene of above-mentioned gymnasium event watching as an example, service is mentioned It can include the VNF of 5 customization real for such one NS example resource pond of specific application creation, NS example resource pond for quotient Example, the virtual resource that each VNF example is distributed respectively correspond specification 1 and arrive one of specification 5.It is one in view of gymnasium event watching The application for the regular service traffics variation characteristic that class occurs in fixed-site or place, in the NS example resource pond Resource used in VNF example can be divided at same resource location (for example, identical data center, resource-area and host) Match or the NS example resource pond in VNF example be not necessarily to carry out the restriction of compatibility and/or anti-compatibility rule.For NS For example resource pond, its most important feature is to possess these reflection different resource specifications for having been allocated for virtual resource It is carried out between the NS example of the NS example of VNF example and/or nesting, these VNF examples and/or nesting not over virtual link Connection, can neatly be called by the practical NS example in such vertical applications to carry out the assembling of itself example or update.

First VNF instantiation parameter or the first nesting NS instantiation parameter are not intended to explicitly indicate that corresponding VNF is real Example resource specification or nesting NS example resource specification, but NFVO needs to instantiate parameter and NS instantiation limit according to the first VNF Condition processed selects one of NS example resource pond VNF example resource specification, is retouched with meeting in the first VNF instantiation parameter The requirement to VNF instantiation stated, such as: instantiate the size of capacity.Similar therewith, NFVO is needed according to the first nesting NS Instantiation parameter and NS instantiate restrictive condition to select the nested NS example resource specification in one of NS example resource pond, to expire Requirement described in foot the first nesting NS instantiation parameter to nested NS instantiation.

It should be noted that if instruction information indicates that the NS instantiation operation does not need to carry out real time implementation processing, NFVO is carried out according to conventional NS instantiation process.

S104, NFVO are assembled and/or are configured to selected VNF example and/or nesting NS example to instantiate One NS example.

Virtual resource allocation method provided by the embodiments of the present application is instantiated according to NS and is limited when there is real time implementation demand Condition selects the VNF example met the requirements and/or nested NS example with instantiation parameter from NS example resource pond, is assembled And/or configuration is to instantiate NS example.Due in NS example resource pond VNF example and/or nesting NS example be assigned in advance Virtual resource does not need to distribute virtual resource again in NS LCM operation, the operation response time is saved, to reduce NS The time delay of LCM operation.

Optionally, referring to fig. 4, the method also includes:

S105, NFVO return to the first NS to OSS/BSS and instantiate response.

The use state information flag of selected VNF example and/or nesting NS example is occupied by S106, NFVO.

S107, NFVO send VNF state change notification to the corresponding VNFM of selected VNF example.

The use state of mark and VNF example in VNF state change notification message including selected VNF example Information.

It should be noted that when selecting multiple VNF examples, and when each VNF example respectively corresponds different VNFM, then need VNF state change notification is sent to each corresponding VNFM.

Optionally, referring to fig. 5, before step S101, the method also includes creation NS example resource ponds Step:

S201, OSS/BSS are real according to the demand creation slice with ultralow time delay or a kind of vertical applications of strong real-time Example.

The slice example needs further to support by the NS LCM operation of NFVO real time implementation.

S202, OSS/BSS send the 2nd NS instantiation request to NFVO.

For instantiating NS example resource pond, the 2nd NS instantiation request includes one or more groups of for 2nd NS instantiation request 2nd VNF instantiates parameter and/or one or more groups of second nesting NS instantiate parameter, and one group of the 2nd VNF instantiation parameter is used In determining VNF example virtual resource specification to be used in instantiation NS example resource pond, one group of second nesting NS instantiation is joined Number is for instantiating nesting NS example virtual resource specification to be used in determining NS example resource pond, in NS example resource pond VNF example and/or nesting NS example, are not attached by virtual link each other.

S203, NFVO receive the 2nd NS instantiation request from OSS/BSS.

S204, NFVO return to the 2nd NS to OSS/BSS and instantiate response.

S205, NFVO send NS life cycle to OSS/BSS and change notice.

Setting starts (start) information in an announcement message, inform OSS/BSS start to carry out asynchronous VNF example and/or The instantiation process of nested NS example.

The corresponding VNFM of the VNF example in S206, NFVO to NS example resource pond sends VNF instantiation request.

For instantiating to the VNF example in NS example resource pond, VNF instantiates request packet for VNF instantiation request Include the identification information and the 2nd VNF instantiation parameter of VNF example.

It should be noted that when needing to instantiate multiple VNF examples, and each VNF example respectively corresponds different VNFM When, then it needs to send VNF instantiation request to each corresponding VNFM.

S207, VNFM return to VNF to NFVO and instantiate response.

S208, NFVO send NS life cycle to OSS/BSS and change notice.

Result (result) information is set in an announcement message, informs OSS/BSS asynchronous VNF example and/or nesting NS The instantiation process of example terminates, and execution result information is carried in result.

Optionally, referring to fig. 6, after step s 104, the step of the method also includes NS elastic telescopics:

S301, OSS/BSS send the request of NS elastic telescopic to NFVO.

NS elastic telescopic request for in the first NS example VNF example and/or nesting NS example progress elastic telescopic, It include instruction information, the identification information of the first NS example, VNF example elastic telescopic parameter and/or embedding in the request of NS elastic telescopic Cover NS example elastic telescopic parameter, the NS that VNF example elastic telescopic parameter need to be used for determining the VNF example to elastic telescopic Target resource specification in example resource pond, nested NS example elastic telescopic parameter are real for determining the nested NS to elastic telescopic The target resource specification in NS example resource pond that example need to use.

S302, NFVO receive the request of NS elastic telescopic from OSS/BSS.

S303, when indicate information instruction carry out real time implementation processing when, NFVO according to VNF example elastic telescopic parameter from NS reality VNF example is selected in example resource pool, and/or, NFVO is according to nested NS example elastic telescopic parameter from NS example resource Chi Zhongxuan Select nested NS example.

If instruction information indicates that NS elastic telescopic operation does not need to carry out real time implementation processing, NFVO is according to routine NS elastic telescopic process carries out.

S304, NFVO, which are assembled and configured to selected VNF example and/or nesting NS example, executes elasticity with determination The 2nd NS example after flexible.

S305, NFVO will be on the business migrations to the 2nd NS example of the first NS example.

S306, NFVO by the first NS example VNF example and/or nesting NS example be recycled to NS example resource pond, and By the use state information flag of the VNF example of recycling and/or nesting NS example be it is unoccupied, will be used in the 2nd NS example NS example resource pond in VNF example and/or nesting NS example use state information flag be it is occupied.

S307, NFVO return to the response of NS elastic telescopic to OSS/BSS.

The corresponding VNFM of VNF example that S308, NFVO are related to elastic telescopic operation sends VNF state change notification.

Mark and corresponding status information (occupying or unoccupied) in VNF state change notification including VNF example.

Optionally, referring to fig. 7, after step s 104, the step of being updated the method also includes NS:

S401, OSS/BSS send NS to NFVO and update request.

NS update request for in the first NS example VNF example and/or nesting NS example be updated, NS update asks It include indicating information, the identification information of the first NS example, VNF example undated parameter and/or nesting NS example undated parameter in asking, VNF example undated parameter is used to determine the target resource specification in the NS example resource pond that VNF example to be updated need to use, embedding Set NS example undated parameter is used to determine the target resource rule in the NS example resource pond that nested NS example to be updated need to use Lattice.

S402, NFVO receive NS from OSS/BSS and update request.

S403, when indicate information instruction carry out real time implementation processing when, NFVO according to VNF example undated parameter from NS example provide VNF example is selected in the pond of source, and/or, NFVO selects nesting NS according to nested NS example undated parameter from NS example resource pond Example.

If instruction information indicates that the NS updates operation and do not need to carry out real time implementation processing, NFVO according to conventional NS more New process carries out.

S404, NFVO, which are assembled and configured to selected VNF example and/or nesting NS example, executes update with determination The 3rd NS example later.

S405, NFVO will be on the business migrations to the 3rd NS example of the first NS example.

S406, NFVO by the first NS example VNF example and/or nesting NS example be recycled to NS example resource pond, and By the use state information flag of the VNF example of recycling and/or nesting NS example be it is unoccupied, will be used in the 3rd NS example NS example resource pond in VNF example and/or nesting NS example use state information flag be it is occupied.

S407, NFVO return to NS to OSS/BSS and update response.

S408, NFVO send VNF state change notification to the corresponding VNFM of VNF example that operation is related to is updated.

Optionally, referring to fig. 8, after step s 104, the method also includes by the VNF in the first NS example The step of example and/or the release of nesting NS example are recycled to the example resource pond NS:

S501, OSS/BSS send the first NS termination request to NFVO.

First NS termination request for by the first NS example VNF example and/or nesting NS example be released back into NS example Resource pool.

The identification information including the first NS example to be discharged in the first NS termination request.

S502, NFVO receive the first NS termination request from OSS/BSS.

S503, NFVO are according to the identification information of the first NS example, by the VNF example and/or nesting NS in the first NS example Example is recycled to NS example resource pond, and is not by the use state information flag of the VNF example of recycling and/or nesting NS example It is occupied.

S504, NFVO return to the response that NS terminates to OSS/BSS.

S505, NFVO send VNF state change notification to the corresponding VNFM of VNF example of former first NS example.

The use state information of mark and corresponding VNF example in VNF state change notification including VNF example.

Optionally, referring to fig. 9, after step S208, the method also includes discharging NS example resource pond The step of:

S601, OSS/BSS are real according to the demand termination slice with ultralow time delay or a kind of vertical applications of strong real-time Example.

S602, OSS/BSS send the 2nd NS termination request to NFVO.

2nd NS termination request includes the identification information in NS example resource pond, for (release) the NS example resource that terminates Pond.

S603, NFVO receive the 2nd NS termination request from OSS/BSS.

S604, NFVO return to the 2nd NS termination response to OSS/BSS.

S605, NFVO send NS life cycle to OSS/BSS and change notice.

Setting starts (start) information in an announcement message, inform OSS/BSS start to carry out asynchronous VNF example and/or The terminating procedures of nested NS example.

The corresponding VNFM of the VNF example in S606, NFVO to NS example resource pond sends VNF termination request.

VNF termination request includes the VNF example in the identification information corresponding NS example resource pond with NS example resource pond Identification information, for discharging the virtual resource of corresponding VNF example.

S607, VNFM return to VNF termination response to NFVO.

S608, NFVO send NS life cycle to OSS/BSS and change notice.

Result (result) information is set in an announcement message, informs OSS/BSS asynchronous VNF example and/or nesting NS The terminating procedures of example terminate, and execution result information is carried in result.

The embodiment of the present application provides a kind of NFVO, for executing above-mentioned virtual resource allocation method.The embodiment of the present application can To carry out the division of functional module to NFVO according to above method example, for example, each function of each function division can be corresponded to Two or more functions can also be integrated in a processing module by module.Above-mentioned integrated module can both adopt With formal implementation of hardware, can also be realized in the form of software function module.It should be noted that in the embodiment of the present application Division to module is schematically that only a kind of logical function partition, there may be another division manner in actual implementation.

In the case where each function division of use correspondence each functional module, Figure 10 shows involved in above-described embodiment And NFVO a kind of possible structural schematic diagram, NFVO 30 includes: that receiving unit 3011, selecting unit 3012, instantiation are single First 3013, transmission unit 3014, marking unit 3015, migration units 3016.Receiving unit 3011 is for supporting NFVO 30 to execute The process in process S302, Fig. 7 in process S203, Fig. 6 in process S102, Fig. 5 in process S102, Fig. 4 in Fig. 3 Process S603 in process S502, Fig. 9 in S402, Fig. 8；The mistake that selecting unit 3012 is used to that NFVO 30 to be supported to execute in Fig. 3 The process S403 in process S303, Fig. 7 in process S103, Fig. 6 in journey S103, Fig. 4；Instantiating unit 3013 is for supporting NFVO 30 executes the process S404 in process S304, Fig. 7 in process S104, Fig. 6 in process S104, Fig. 4 in Fig. 3；Hair Send unit 3014 for supporting NFVO 30 to execute process S204, S205, S206 in process S105 and S107, Fig. 5 in Fig. 4 With the process S307 in S208, Fig. 6 and process S407 in S308, Fig. 7 and process S504 in S408, Fig. 8 and S505, Fig. 9 In process S604, S605, S606 and S608；Marking unit 3015 be used for support NFVO 30 execute Fig. 4 in process S106, The process S503 in process S406, Fig. 8 in process S306, Fig. 7 in Fig. 6；Migration units 3016 are for supporting NFVO 30 to hold Process S405 in process S305, Fig. 7 in row Fig. 6.Wherein, all phases for each step that above method embodiment is related to are inside the Pass Hold the function description that can quote corresponding function module, details are not described herein.

Using integrated unit, Figure 11 shows a kind of possibility of NFVO involved in above-described embodiment Structural schematic diagram.NFVO 30 includes: processing module 3022 and communication module 3023.Processing module 3022 is used for NFVO 30 Movement carry out control management, for example, processing module 3022 be used for support NFVO 30 execute Fig. 3 in process S103 and S104, In process S403-S406, Fig. 8 in process S303-S306, Fig. 7 in process S103, S104 and S106, Fig. 6 in Fig. 4 Process S503.Communication module 3023 is used to supporting the communication of NFVO Yu other entities, for example, with functional module shown in Fig. 1 or Communication between network entity.NFVO 30 can also include memory module 3021, for storing the program code sum number of NFVO According to.

Wherein, processing module 3022 can be processor or controller, such as can be central processing unit (central Processing unit, CPU), general processor, digital signal processor (Digital Signal Processor, DSP), Specific integrated circuit (Application-specific Integrated Circuit, ASIC), field programmable gate array It is (Field Programmable Gate Array, FPGA) or other programmable logic device, transistor logic, hard Part component or any combination thereof.It may be implemented or execute to combine and various illustratively patrol described in present disclosure Collect box, module and circuit.The processor is also possible to realize the combination of computing function, such as includes one or more micro- places Manage device combination, DSP and the combination of microprocessor etc..Communication module 3023 can be transceiver, transmission circuit or communication interface Deng.Memory module 3021 can be memory.

When processing module 3022 is processor, communication module 3023 is transceiver, when memory module 3021 is memory, this Apply for that NFVO involved in embodiment can be NFVO as described below.

Referring to Fig.1 shown in 2, which includes: processor 3032, transceiver 3033, memory 3031, bus 3034. Wherein, transceiver 3033, processor 3032, memory 3031 are connected with each other by bus 3034；Bus 3034 can be peripheral hardware Component connection standard (Peripheral Component Interconnect, PCI) bus or expanding the industrial standard structure (Extended Industry Standard Architecture, EISA) bus etc..It is total that the bus can be divided into address Line, data/address bus, control bus etc..Only to be indicated with a thick line in figure, it is not intended that an only bus convenient for indicating Or a type of bus.

The embodiment of the present application provides a kind of OSS/BSS, for executing above-mentioned virtual resource allocation method.The embodiment of the present application The division that can carry out functional module to OSS/BSS according to above method example, for example, it is each to correspond to each function division Two or more functions can also be integrated in a processing module by functional module.Above-mentioned integrated module both may be used To use formal implementation of hardware, can also be realized in the form of software function module.It should be noted that the application is implemented It is schematically that only a kind of logical function partition can have other division in actual implementation to the division of module in example Mode.

In the case where each function division of use correspondence each functional module, Figure 13 shows involved in above-described embodiment And OSS/BSS a kind of possible structural schematic diagram, OSS/BSS 40 include: transmission unit 4011, creating unit 4012, eventually Statement of account member 4013.Transmission unit 4011 be used for support OSS/BSS 40 execute Fig. 3 in process S101, Fig. 4 in process S101, The process in process S501, Fig. 9 in process S401, Fig. 8 in process S301, Fig. 7 in process S202, Fig. 6 in Fig. 5 S602；The process S201 that creating unit 4012 is used to that OSS/BSS 40 to be supported to execute in Fig. 5；Termination unit 4013 is for supporting OSS/BSS 40 executes the process S601 in Fig. 9.Wherein, all related contents for each step that above method embodiment is related to are equal The function description of corresponding function module can be quoted, details are not described herein.

Using integrated unit, Figure 14 shows one kind of OSS/BSS involved in above-described embodiment Possible structural schematic diagram.OSS/BSS 40 includes: processing module 4022 and communication module 4023.Processing module 4022 for pair The movement of OSS/BSS 40 carries out control management, for example, the mistake that processing module 4022 is used to that OSS/BSS 40 to be supported to execute in Fig. 5 Process S601 in journey S201, Fig. 9.Communication module 4023 is used to supporting the communication of OSS/BSS Yu other entities, for example, with Fig. 1 Shown in communication between functional module or network entity.OSS/BSS 40 can also include memory module 4021, for depositing Store up the program code and data of OSS/BSS.

Wherein, processing module 4022 can be processor or controller, such as can be central processing unit (central Processing unit, CPU), general processor, digital signal processor (digital signal processor, DSP), Specific integrated circuit (application-specific integrated circuit, ASIC), field programmable gate array It is (field programmable gate array, FPGA) or other programmable logic device, transistor logic, hard Part component or any combination thereof.It may be implemented or execute to combine and various illustratively patrol described in present disclosure Collect box, module and circuit.The processor is also possible to realize the combination of computing function, such as includes one or more micro- places Manage device combination, DSP and the combination of microprocessor etc..Communication module 4023 can be transceiver, transmission circuit or communication interface Deng.Memory module 4021 can be memory.

When processing module 4022 is processor, communication module 4023 is transceiver, when memory module 4021 is memory, this Apply for that OSS/BSS involved in embodiment can be OSS/BSS as described below.

Referring to Fig.1 shown in 5, which includes: processor 4032, transceiver 4033, memory 4031, bus 4034.Wherein, transceiver 4033, processor 4032, memory 4031 are connected with each other by bus 4034；Bus 4034 can be Peripheral Component Interconnect standard (Peripheral Component Interconnect, PCI) bus or expanding the industrial standard structure (Extended Industry Standard Architecture, EISA) bus etc..It is total that the bus can be divided into address Line, data/address bus, control bus etc..Only to be indicated with a thick line in figure, it is not intended that an only bus convenient for indicating Or a type of bus.

It should be understood that magnitude of the sequence numbers of the above procedures are not meant to execute suitable in the various embodiments of the application Sequence it is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present application Process constitutes any restriction.

In the above-described embodiments, can come wholly or partly by software, hardware, firmware or any combination thereof real It is existing.When being realized using software program, can entirely or partly realize in the form of a computer program product.The calculating Machine program product includes one or more computer instructions.When loading on computers and executing the computer program instructions, It entirely or partly generates according to process or function described in the embodiment of the present application.The computer can be general purpose computer, Special purpose computer, computer network or other programmable devices.The computer instruction can store to be deposited computer-readable In storage media, or from a computer readable storage medium to the transmission of another computer readable storage medium, for example, described Computer instruction can from a web-site, computer, server or data center by it is wired (such as coaxial cable, Optical fiber, Digital Subscriber Line (Digital Subscriber Line, DSL)) or wireless (such as infrared, wireless, microwave etc.) mode It is transmitted to another web-site, computer, server or data center.The computer readable storage medium can be Any usable medium that computer can access either includes that one or more can be in the integrated server of medium, data The data storage devices such as the heart.The usable medium can be magnetic medium (for example, floppy disk, hard disk, tape), optical medium (for example, ) or semiconductor medium (such as solid state hard disk (Solid State Disk, SSD)) etc. DVD.

The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain Lid is within the scope of protection of this application.Therefore, the protection scope of the application should be based on the protection scope of the described claims.

Claims

1. a kind of virtual resource allocation method characterized by comprising

Network function virtualizes composer NFVO and receives first network service NS example from operation and business support system OSS/BSS Change request, wherein for instantiating to the first NS example, the first NS instantiation is asked for the first NS instantiation request It include that instruction information, the first virtualization network function VNF instantiation parameter and/or the first nesting NS instantiate parameter, institute in asking It states instruction information to be used to indicate whether to carry out real time implementation processing, the first VNF instantiation parameter is used to indicate the first NS The instantiation requirement of VNF example in example, the first nesting NS instantiation parameter are used to indicate embedding in the first NS example Cover the instantiation requirement of NS example；

When the instruction information indicates to carry out real time implementation processing, the NFVO instantiates restrictive condition, described first according to NS VNF instantiation parameter selects VNF example from NS example resource pond, and/or, the NFVO instantiates limitation item according to the NS Part, first nesting NS instantiation parameter select nesting NS example from NS example resource pond, wherein the NS example Resource pool includes the VNF example and/or nesting NS example using different resource specification；

The NFVO is assembled and/or is configured to instantiate described first to selected VNF example and/or nesting NS example NS example.

2. the method according to claim 1, wherein the method also includes:

The use state information flag of selected VNF example and/or nesting NS example is occupied by the NFVO.

3. the method according to claim 1, wherein virtualizing composer NFVO from operation in the network function Before receiving first network service NS instantiation request with business support system OSS/BSS, the method also includes:

The NFVO receives the 2nd NS instantiation request from the OSS/BSS, and the 2nd NS instantiation request is for instantiating NS example resource pond, the 2nd NS instantiation request include one or more groups of 2nd VNF instantiation parameter and/or one group Or the second nesting NS of multiple groups instantiates parameter, one group of the 2nd VNF instantiation parameter instantiates the NS example for determining VNF example virtual resource specification to be used in resource pool, one group of second nesting NS instantiation parameter is for determining example Change nesting NS example virtual resource specification to be used in NS example resource pond；

The NFVO sends VNF instantiation request to virtual network function manager VNFM, VNF instantiation request for pair VNF example in NS example resource pond is instantiated, and the VNF instantiation request includes the identification information of VNF example Parameter is instantiated with the 2nd VNF；

VNF example and/or nesting NS example in NS example resource pond, are not connected by virtual link each other It connects.

4. the method according to claim 1, wherein the method also includes:

The NFVO receives the request of NS elastic telescopic from the OSS/BSS, and the NS elastic telescopic request is for described first VNF example and/or nesting NS example in NS example carry out elastic telescopic, include the instruction in the NS elastic telescopic request Information, the identification information of the first NS example, VNF example elastic telescopic parameter and/or nesting NS example elastic telescopic parameter, The VNF example elastic telescopic parameter is used to indicate the target resource specification that need to be used to the VNF example of elastic telescopic, described embedding Set NS example elastic telescopic parameter is used to indicate the target resource specification that need to be used to the nested NS example of elastic telescopic；

When the instruction information indicate carry out real time implementation processing when, the NFVO according to the VNF example elastic telescopic parameter from In NS example resource pond select VNF example, and/or, the NFVO according to the nesting NS example elastic telescopic parameter from Nesting NS example is selected in NS example resource pond；

The NFVO is assembled and is configured to determine and execute elastic telescopic to selected VNF example and/or nesting NS example The 2nd NS example later；

The NFVO will be on the business migration to the 2nd NS example of the first NS example；

The NFVO by the first NS example VNF example and/or nesting NS example be recycled to NS example resource pond, And by the use state information flag of the VNF example of recycling and/or nesting NS example be it is unoccupied, by the 2nd NS example Used in the use state information flag of VNF example and/or nesting NS example in NS example resource pond be occupied.

5. the method according to claim 1, wherein the method also includes:

The NFVO receives the first NS termination request from the OSS/BSS, and the first NS termination request includes the first NS The identification information of example；

The NFVO is according to the identification information of the first NS example, by the VNF example and/or nesting in the first NS example NS example is recycled to NS example resource pond, and by the use state information mark of the VNF example of recycling and/or nesting NS example It is denoted as unoccupied.

6. according to the method described in claim 3, it is characterized in that, the 2nd NS instantiation request further includes the NS example The identification information of resource pool, the method also includes:

The NFVO receives the 2nd NS termination request from the OSS/BSS, and the 2nd NS termination request includes the NS example The identification information of resource pool；

The NFVO sends VNF termination request to the VNFM, and the VNF termination request includes and NS example resource pond The identification information of the VNF example in identification information corresponding NS example resource pond, for discharging the resource of corresponding VNF example.

7. according to the described in any item methods of claim 2,4,5, which is characterized in that the method also includes:

The NFVO sends the use state information of the VNF example to virtual network function manager VNFM.

8. the method according to claim 1, wherein NS instantiation restrictive condition includes: between VNF example And/or the position constraint between nesting NS example, compatibility, anti-compatibility rule.

9. the method according to claim 1, wherein the operation and business support system OSS/BSS are slice Manager or network are sliced manager.

10. a kind of network function virtualizes composer NFVO characterized by comprising

Receiving unit, for receiving first network service NS instantiation request from operation and business support system OSS/BSS, In, the first NS instantiation request includes in the first NS instantiation request for instantiating to the first NS example Indicate that information, the first virtualization network function VNF instantiation parameter and/or the first nesting NS instantiate parameter, the instruction letter Breath is used to indicate whether progress real time implementation processing, and the first VNF instantiation parameter is used to indicate VNF in the first NS example The instantiation requirement of example, the first nesting NS instantiation parameter are used to indicate nesting NS example in the first NS example Instantiation requires；

Selecting unit, for when the instruction information indicates to carry out real time implementation processing, according to NS instantiation restrictive condition, described First VNF instantiation parameter select VNF example from NS example resource pond, and/or, according to the NS instantiation restrictive condition, The first nesting NS instantiation parameter selects nesting NS example from NS example resource pond, wherein the NS example money Source pond includes the VNF example and/or nesting NS example using different resource specification；

Instantiating unit, for selected VNF example and/or nesting NS example to be assembled and/or configured to instantiate The first NS example.

11. NFVO according to claim 10, which is characterized in that the NFVO further include:

Marking unit, for being occupied by the use state information flag of selected VNF example and/or nesting NS example.

12. NFVO according to claim 10, which is characterized in that

The receiving unit is also used to receiving first network service NS instantiation from operation and business support system OSS/BSS Before request, the 2nd NS instantiation request is received from the OSS/BSS, the 2nd NS instantiation request is described for instantiating NS example resource pond, the 2nd NS instantiation request include one or more groups of 2nd VNF instantiation parameter and/or one group or more The second nesting NS of group instantiates parameter, and one group of the 2nd VNF instantiation parameter instantiates the NS example resource for determining VNF example virtual resource specification to be used in pond, one group of second nesting NS instantiation parameter is for determining instantiation institute State nesting NS example virtual resource specification to be used in NS example resource pond；

The NFVO further includes transmission unit, described for sending VNF instantiation request to virtual network function manager VNFM For instantiating to the VNF example in NS example resource pond, the VNF instantiates request packet for VNF instantiation request Include the identification information and the 2nd VNF instantiation parameter of VNF example；

13. NFVO according to claim 10, which is characterized in that

The receiving unit, is also used to receive the request of NS elastic telescopic from the OSS/BSS, and the NS elastic telescopic request is used for To the VNF example and/or nesting NS example progress elastic telescopic in the first NS example, wrapped in the NS elastic telescopic request Include instruction information, the identification information of the first NS example, VNF example elastic telescopic parameter and/or the nesting NS example bullet Property warp parameter, the VNF example elastic telescopic parameter are used to indicate the target resource that need to be used to the VNF example of elastic telescopic Specification, the nesting NS example elastic telescopic parameter are used to indicate the target resource that need to be used to the nested NS example of elastic telescopic Specification；

The selecting unit is also used to when the instruction information indicates to carry out real time implementation processing, according to the VNF example elasticity Warp parameter selects VNF example from NS example resource pond, and/or, according to the nesting NS example elastic telescopic parameter Nesting NS example is selected from NS example resource pond；

The instantiating unit is also used to assemble selected VNF example and/or nesting NS example and configure with determination Execute the 2nd NS example after elastic telescopic；

The NFVO further includes migration units, for by the business migration of the first NS example to the 2nd NS example；

The NFVO further includes marking unit, for by the first NS example VNF example and/or nesting NS example recycle Extremely NS example resource pond, and be not occupied by the use state information flag of the VNF example of recycling and/or nesting NS example With by the use state letter of VNF example and/or nesting NS example in NS example resource pond used in the 2nd NS example Breath is labeled as occupied.

14. NFVO according to claim 10, which is characterized in that

The receiving unit, is also used to receive the first NS termination request from the OSS/BSS, and the first NS termination request includes The identification information of the first NS example；

The NFVO further includes marking unit, for the identification information according to the first NS example, by the first NS example In VNF example and/or nesting NS example be recycled to NS example resource pond, and by the VNF example of recycling and/or nesting NS The use state information flag of example is unoccupied.

15. NFVO according to claim 12, which is characterized in that the 2nd NS instantiation request further includes the NS real The identification information of example resource pool,

The receiving unit, is also used to receive the 2nd NS termination request from the OSS/BSS, and the 2nd NS termination request includes The identification information in NS example resource pond；

The NFVO further includes transmission unit, and for sending VNF termination request to the VNFM, the VNF termination request includes With the identification information of the VNF example in the identification information corresponding NS example resource pond in NS example resource pond, it to be used for release pair Answer the resource of VNF example.

16. 1,13,14 described in any item NFVO according to claim 1, which is characterized in that

The NFVO further includes transmission unit, for sending the use of the VNF example to virtual network function manager VNFM Status information.

17. NFVO according to claim 10, which is characterized in that NS instantiation restrictive condition include: VNF example it Between and/or nesting NS example between position constraint, compatibility, anti-compatibility rule.

18. NFVO according to claim 10, which is characterized in that the operation is to cut with business support system OSS/BSS Piece manager or network are sliced manager.

19. a kind of network function virtualizes NFV system, which is characterized in that including as described in any one of claim 10-18 Network function virtualizes composer NFVO and operation and business support system OSS/BSS, the OSS/BSS for super according to having The demand of the vertical applications of low time delay or strong real-time and create or terminate slice example, the slice example pass through the NFVO The network service lifecycle management NS LCM of real time implementation operates to support.

20. system according to claim 19, which is characterized in that the operation is to cut with business support system OSS/BSS Piece manager or network are sliced manager.