CN109756357A

CN109756357A - A kind of network slice generation method and device and terminal

Info

Publication number: CN109756357A
Application number: CN201711090205.3A
Authority: CN
Inventors: 祝伟宏; 陈东
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2017-11-08
Filing date: 2017-11-08
Publication date: 2019-05-14
Also published as: WO2019091439A1

Abstract

The present invention discloses a kind of network slice generation method and device and terminal, this method comprises: NSMF obtains slice blueprint according to slice demand；NSMF generates corresponding slice example according to the slice blueprint of acquisition.Scheme through the invention, it can overcome the problems, such as that there are no the schemes that network slice Automated Design and generation is realized under the background using network microtomy in existing mobile network management technology, the scheme for proposing a kind of network slice Automated Design and generation, improves network performance.

Description

A kind of network slice generation method and device and terminal

Technical field

The present invention relates to wireless telecommunication system technical field, espespecially a kind of network is sliced generation method and device and terminal.

Background technique

In the management domain of wireless telecommunication system, Network Management System (Network Management System-NMS) Interface between Element management system (Element Management System-EMS) is known as northbound interface (Itf-N). EMS mainly completes ITU (International Telecommunication Union-International Telecommunication Union) TMN NE management layer (EML) function in (Telecommunications Management Network- telecommunication management network), The management function of one or more mobile communication equipments is completed, the EMS being typically different between equipment supplier can not be general. NMS mainly completes network management (NML) function in ITU TMN, is responsible for the management of all network elements in a managed network.It is right The case where there are multiple equipment suppliers in the managed network (referred to as subnet, SubNetwork, referring to 3GPP TS 28.622), It can be managed by respective EMS and achieve the purpose that the entire subnet of management.

And in the entire management system of operator, generally also comprising OSS (Operations support system, fortune Seek support system), BSS (Business support system, business support system), in general, it is considered that NMS It is a part of OSS included in OSS.

Currently, industry has further started the research of 5G, and network slice (Network Slice) is a weight of 5G Want component part.So-called network slice is primarily referred to as by one group of network function (network money comprising supporting the network function Source) composition the instantiation with specific network characteristic complete logical network, the logical network is a kind of for meeting certain The demand of particular network business.Here the example of network characteristic has ultralow delay, ultrahigh reliability etc..

Network slice is to be sliced blueprint according to network to be instantiated and obtained, therefore also referred to as network is sliced example.Network is cut Piece blueprint (template instances) refers to a complete definition, for describing structure, configuration, the workflow of network slice example, net Network is sliced management function module (Network Slicing Management Function-NSMF) and is sliced blueprint according to network Definition complete network slice instantiation and its life cycle control management.

When a network slice is more complicated, for the ease of management, network slice can be decomposed into sub- slice (Network Slice Subnet), sub- slice refer to one group of network function and support the Internet resources composition of the network function A logical network with specific network characteristic.One network slice may include 0, one or more sub- slices.It is right In the management and layout of sub- slice, by sub- slice management function (Network Slice Subnet Management Function-NSSMF it) completes.NSSMF completes the instantiation and its life cycle of son slice according to the definition of sub- slice blueprint Control management.

Since network slice/sub- slice and network consisting slice/sub- slice component units can be and mentioned by different vendor For, and different vendor may have different designs for the network slice/sub- slice and component units of realizing identical function, in order to Facilitate network slice blueprint, sub- slice indigo plant map generalization, management, each manufacturer can generally provide corresponding network slice module Plate, sub- slice template, and slice template/generation of sub- slice template, maintenance strategy.NSMF and NSSMF can be according to network It is sliced template, sub- slice template, and/or slice template/sub- slice template generation, maintenance strategy carry out slice blueprint/son and cut The map generalization of piece indigo plant, maintenance.

And the network slice of 5G is that support is provided for specific Communications service, so the management being sliced from entire 5G network From the point of view of, it further include communication service management function (CSMF), so that the management of 5G network slice is divided into three layers: CSMF-NSMF- NSSMF, such as Fig. 5.

One important feature of 5G network is exactly the automation managed, Automated Design and life including network slice At.Currently, industry has proposed the demand of network slice Automated Design and generation, but without the scheme of specific implementation.

Summary of the invention

To solve the above-mentioned problems, the invention proposes a kind of network slice generation method and device and terminal, Neng Gouman The demand of sufficient network slice Automated Design and generation.

In order to solve the above-mentioned technical problem, the invention proposes a kind of networks to be sliced generation method, which is characterized in that described Method includes:

Network is sliced management function NSMF and obtains slice blueprint according to slice demand；

NSMF generates corresponding slice example according to the slice blueprint of acquisition.

Preferably, the acquisition slice blueprint includes:

NSMF suitable slice blueprint of retrieval in slice blueprint library according to slice demand；

NSMF obtains the slice blueprint retrieved in the case where that can retrieve suitable slice blueprint；

NSMF generates new slice blueprint in the case where that cannot retrieve suitable slice blueprint.

Preferably, the new slice blueprint of the generation includes:

A new slice is generated according to demand information, slice template and the preset blueprint layout strategy to slice Blueprint；Wherein, raw according to the demand information of antithetical phrase slice, sub- slice template and blueprint layout strategy when including son slice At a new son slice blueprint.

Preferably, in the case where network slice includes son slice, the slice blueprint includes son slice blueprint；The life It further include obtaining sub- slice blueprint at slice blueprint；

Acquisition son slice blueprint include: in the case where NSMF has obtained sub- slice Template Information, NSMF according to The demand information of son slice Template Information and antithetical phrase slice generates son slice blueprint；In NSMF without the feelings of son slice Template Information Under condition, the request of sub- slice blueprint is sent to network slice management function NSSMF by NSMF, so that the NSSMF is according to institute It states sub- slice blueprint request and determines available sub- slice blueprint；

NSMF receives the son slice blueprint that NSSMF is determined, and generates slice blueprint according to the sub- slice blueprint.

Preferably, the acquisition slice blueprint includes:

NSMF has searched whether that approximation meets network slice demand in the case where that cannot retrieve suitable slice blueprint Slice blueprint；

For NSMF in the case where meeting the slice blueprint of network slice demand in the presence of approximation, the slice met according to approximation is blue Figure generates new slice blueprint；

NSMF generates new slice blueprint there is no the approximate slice blueprint met.

Preferably, described to search whether that the approximate slice blueprint for meeting network slice demand includes:

Exist in the deviation according to provided by the slice example of slice blueprint instantiation between ability and the demand of slice When within scheduled deviation range, the slice blueprint is determined as to the slice blueprint of approximate satisfaction；

The slice blueprint met according to approximation generates new slice blueprint and includes:

It is adjusted according to the slice blueprint that the deviation pairing approximation meets, to generate new slice blueprint.

Preferably, further includes:

NSMF searches for existing network slice template there is no the approximate slice blueprint met, and lookup is It is no to have the slice template that approximate meet network slice demand；

In the case where there is the approximate slice template for meeting network slice demand, based on this template, according to preset Blueprint layout strategy generates a new slice template；

It is raw according to preset blueprint layout strategy in the case where no approximation meets the slice template of network slice demand At a new slice template；

The new slice blueprint of the generation includes, according to the new slice blueprint of the slice template generation.

Preferably, the acquisition slice blueprint includes:

NSMF is in the case where that can retrieve suitable slice blueprint, using the slice blueprint of retrieval as the slice obtained Blueprint；

NSMF will be sent to indigo plant to slice/sub- slice demand in the case where that cannot retrieve suitable slice blueprint G- Design function BPDF, so that BPDF generates new slice blueprint according to described pair of slice/sub- slice demand；

NSMF receives the slice blueprint that BPDF is sent.

Preferably, described to include: according to the corresponding slice example of the slice blueprint of acquisition generation

Corresponding network service descriptor NSD information is found according to slice blueprint；To pass through virtualization network management and volume Arrange the instantiation that device MANO completes network service；

After the instantiation that MANO completes NSD, network slice is configured；

It is described that corresponding slice example is generated according to the slice blueprint of acquisition in the case that at network, slice includes son slice Further include:

Corresponding son slice blueprint information is found according to slice blueprint；

The sub- slice blueprint information is sent to NSSMF by NSMF, is cut with starting the son that network slice includes by NSSMF The instantiation of piece.

In order to solve the above-mentioned technical problem, the invention also provides a kind of networks to be sliced generation method, which comprises

Network is sliced management function NSSMF and receives the son slice blueprint request that network slice management function NSMF is sent；

NSSMF determines available sub- slice blueprint information according to the sub- slice blueprint request；

The available sub- slice blueprint information that NSSMF is determined is sent to NSMF, so that the NSMF is cut according to the son Piece blueprint information generates son slice blueprint.

Preferably, the available sub- slice blueprint information of the determination includes:

According to the current son slice blueprint library of the demand retrieval of antithetical phrase slice；

In the case where suitable slice blueprint can be retrieved, the son slice blueprint of retrieval is obtained；

In the case where suitable slice blueprint can not be retrieved, according to the demand of antithetical phrase slice, sub- slice template and Preset blueprint layout strategy generates a new son slice blueprint.

Preferably, the method also includes:

NSSMF receives the son slice blueprint information that NSMF is sent；

NSSMF is according to the corresponding NSD information of the sub- slice blueprint information searching；

The NSD information is sent to MANO by NSSMF, to complete the instantiation of network service by the MANO；

NSSMF configures network slice after the instantiation that MANO completes NSD.

Blueprint design function BPDF receive network slice management function NSMF send to slice/sub- slice demand；

BPDF generates new slice blueprint according to described pair of slice/sub- slice demand；

The slice blueprint of generation is sent to NSMF by BPDF.

Preferably, the BPDF generates new slice blueprint according to described pair of slice/sub- slice demand and includes:

In the case where BPDF has the template and its satiable demand of all available sub- slices, BPDF is according to slice Demand information, slice template and preset blueprint layout strategy generate a new slice blueprint；It wherein, is including son When slice, it is blue that a new son slice is generated according to the demand information of antithetical phrase slice, sub- slice template and blueprint layout strategy Figure；

If BPDF is not in the case where whole sub- slice informations, the demand information that antithetical phrase is sliced is sent to accordingly by BPDF NSSMF so that NSSMF determines the blueprint of available sub- slice according to the demand that antithetical phrase is sliced；BPDF, which is based on slice, to be needed It asks and the son slice blueprint information of NSSMF transmission generates slice blueprint.

In order to solve the above-mentioned technical problem, the invention also provides a kind of networks to be sliced generating means, and setting is cut in network On piece management function NSMF, described device includes:

It is sliced blueprint acquiring unit, for obtaining slice blueprint according to slice demand；

It is sliced example generation unit, corresponding slice example is generated according to the slice blueprint of acquisition for NSMF.

Preferably, the slice blueprint acquiring unit acquisition slice blueprint includes:

According to slice demand, retrieval is suitably sliced blueprint in slice blueprint library；

In the case where suitable slice blueprint can be retrieved, the slice blueprint retrieved is obtained；

In the case where suitable slice blueprint cannot be retrieved, new slice blueprint is generated.

Preferably, slice blueprint acquiring unit generates new slice blueprint and includes:

A new slice is generated according to demand information, slice template and the preset blueprint layout strategy to slice Blueprint；

When including son slice, generated according to the demand information of antithetical phrase slice, sub- slice template and blueprint layout strategy One new son slice blueprint.

Preferably, the slice blueprint acquiring unit further includes that sub- slice blueprint obtains module,

The sub- slice blueprint obtains module and is used to that it is blue to obtain son slice in the case where network slice includes son slice Figure；

The sub- slice blueprint obtains module acquisition son slice blueprint

In the case where having obtained sub- slice Template Information, believed according to the demand that sub- slice Template Information and antithetical phrase are sliced Breath generates son slice blueprint；

In the case where no sub- slice Template Information, the request of sub- slice blueprint is sent to network slice management function NSSMF, so that the NSSMF determines available sub- slice blueprint according to the sub- slice blueprint request；NSSMF is received to determine Son slice blueprint,

The slice blueprint acquiring unit is also used to generate slice blueprint according to the sub- slice blueprint.

In the case where suitable slice blueprint cannot be retrieved, search whether that the approximate network that meets is sliced cutting for demand Piece blueprint；

In the case where there is the approximate slice blueprint met, it is blue that new slice is generated according to the slice blueprint that approximation meets Figure；

There is no the approximate slice blueprint met, new slice blueprint is generated.

Preferably, the slice blueprint acquiring unit searches whether the approximate slice blueprint packet for meeting network slice demand It includes:

Preferably, the slice blueprint acquiring unit is also used to:

There is no the approximate slice blueprint met, existing network slice template is searched for, has been searched whether It approximate can meet the slice template of network slice demand；

It includes: the slice new according to the slice template generation that the slice blueprint acquiring unit, which generates new slice blueprint, Blueprint.

It is in the case where suitable slice blueprint can be retrieved, the slice blueprint of retrieval is blue as the slice obtained Figure；

In the case where suitable slice blueprint cannot be retrieved, set blueprint is sent to slice/sub- slice demand Function BPDF is counted, so that BPDF generates new slice blueprint according to described pair of slice/sub- slice demand；

Receive the slice blueprint that BPDF is sent.

Preferably, the slice blueprint acquiring unit includes: according to the corresponding slice example of the slice blueprint of acquisition generation

After the instantiation that MANO completes NSD, network slice is configured；

The slice blueprint acquiring unit is raw according to the slice blueprint of acquisition in the case where network slice includes son slice At corresponding slice example, including:

In order to solve the above-mentioned technical problem, the invention also provides a kind of networks to be sliced generating means, and setting is in network It is sliced on management function NSSMF, described device includes:

Request reception unit, the son slice blueprint request sent for receiving network slice management function NSMF；

Son slice blueprint determination unit, for determining that available sub- slice blueprint is believed according to the sub- slice blueprint request Breath；

Blueprint information transmitting unit is sent to NSMF for determining available sub- slice blueprint information, so that described NSMF generates son slice blueprint according to the sub- slice blueprint information.

Preferably, the sub- slice blueprint determination unit determines that available sub- slice blueprint information includes:

Preferably, described device further include:

Instantiating unit, for receiving the son slice blueprint information of NSMF transmission；It is looked into according to the sub- slice blueprint information Look for corresponding NSD information；And the NSD information is sent to virtualization network management and composer MANO, by described The instantiation of MANO completion network service；

Son slice configuration unit, for being configured to network slice after the instantiation that MANO completes NSD.

In order to solve the above-mentioned technical problem, the invention also provides a kind of networks to be sliced generating means, and setting is set in blueprint It counts on function BPDF, described device includes:

Demand receiving unit, for receive network slice management function NSMF send to slice/sub- slice demand；

It is sliced blueprint unit, for generating new slice blueprint according to described pair of slice/sub- slice demand；

Transmission unit, for the slice blueprint of generation to be sent to NSMF.

Preferably, the slice blueprint unit generates new slice blueprint packet according to described pair of slice/sub- slice demand It includes:

In the case where having the template and its satiable demand of all available sub- slices, BPDF is according to the need to slice Information, slice template and preset blueprint layout strategy is asked to generate a new slice blueprint；It wherein, is including son slice When, a new son slice blueprint is generated according to the demand information of antithetical phrase slice, sub- slice template and blueprint layout strategy；

In the case where not whole sub- slice information, the demand information that antithetical phrase is sliced is sent to corresponding NSSMF, So that NSSMF determines the blueprint of available sub- slice according to the demand that antithetical phrase is sliced；It is sent based on slice demand and NSSMF Son slice blueprint information generate slice blueprint.

In order to solve the above-mentioned technical problem, it the invention also provides a kind of terminal, including memory, processor and is stored in On the memory and the computer program that can run on the processor, when the processor executes the computer program Realize the processing of any of the above-described method.

Compared with prior art, technical solution provided by the invention includes: NSMF according to slice demand acquisition slice blueprint； NSMF generates corresponding slice example according to the slice blueprint of acquisition.Scheme through the invention can overcome existing mobile network There are no the schemes that network slice Automated Design and generation is realized under the background using network microtomy in network administrative skill The problem of, it proposes the scheme of a kind of network slice Automated Design and generation, improves network performance.

Detailed description of the invention

The attached drawing in the embodiment of the present invention is illustrated below, the attached drawing in embodiment be for of the invention into one Step understands, is used to explain the present invention, does not constitute a limitation on the scope of protection of the present invention together with specification.

Fig. 1 is that a kind of network provided in an embodiment of the present invention is sliced the flow diagram that blueprint generates；

Fig. 2 is the composition schematic diagram that a kind of network provided in an embodiment of the present invention is sliced instantiation process；

Fig. 3 is the flow diagram that another network slice provided in an embodiment of the present invention generates；

Fig. 4 is the flow diagram of another network slice creation process provided in an embodiment of the present invention；

Fig. 5 is the flow diagram of another network slice creation process provided in an embodiment of the present invention.

Specific embodiment

For the ease of the understanding of those skilled in the art, the invention will be further described with reference to the accompanying drawing, not It can be used to limit the scope of the invention.It should be noted that in the absence of conflict, embodiment and reality in the application The various modes applied in example can be combined with each other.

Before introducing providing method of the embodiment of the present invention and device, the part noun being related to is explained first.

Network slice/sub- slice template: for defining network slice/sub- slice composed structure (topology, component units Deng) and corresponding resource requirement.The different capability options of network slice/sub- slice are generally comprised in the definition of template, are referred to as advised Lattice (flavor).Template only defines slice/all possible composed structure of sub- slice, resource distribution, can not be according to template Complete the complete instantiation process of slice/sub- slice.Network slice/sub- slice template one kind is achieved in that NFV MANO NSD (network service descriptor).

Network slice/sub- slice blueprint: for define how according to one network slice of specific template instancesization/ Son slice example, including Template Information, specification information (if template includes multiple specifications), configuration information, can be according to blueprint Complete the complete instantiation process of slice/sub- slice.Blueprint is also referred to as network slice/sub- slice template instances.Network slice/son One kind of slice blueprint is achieved in that a selected NSD, then selectes specific flavor and specific configuration parameter again.

The management process of network slice is related to CSMF, NSMF, NSSMF, so the automation layout and management of network slice Process also includes that CSMF, NSMF, NSSMF then further include NVF MANO (virtual for being sliced using the network of virtualization technology Change network management and composer) layout and management to corresponding virtual resource.

Referring to Fig. 1 and Fig. 2, the invention proposes a kind of networks to be sliced automatic generation method, which comprises

Step 111, CSMN receives user to the order of communication service, including the demand for the communication service ordered needs.

Step 112, the communication service demand that CSMF is inputted according to user determines the demand to network, including but not limited to SLA。

Step 113, the determining demand (SLA etc.) to network is sent to NSMF by CSMF.

Step 121, NSMF is converted to the network demand received (SLA etc.) to slice/sub- slice demand (including but not It is limited to KPI etc.).

Step 122, NSMF retrieves current network according to the demand to slice and is sliced blueprint library,

If finding suitable slice blueprint, 210 starting networks slice instantiation process is gone to step；If it is suitable not find It is sliced blueprint, then in two kinds of situation；

In the case where NSMF possesses the template and its satiable demand (QoS etc.) information of all available sub- slices, hold Row step 141 does not possess the template of all available sub- slices in NSMF and its in the case where satiable demand information, executes Step 142；

Step 141, NSMF is according to the network slice/sub- slice template imported to slice/sub- slice demand, in advance and pre- If blueprint layout strategy generate a new network and be sliced blueprint；

Blueprint design for the network slice comprising sub- slice, if NSMF has possessed the mould of all available sub- slices Plate and its satiable demand (KPI etc.) information, then it is blue can directly to design sub- slice using sub- slice relevant information by NSMF Figure.If the demand information that antithetical phrase is sliced is not sent to corresponding NSSMF to NSMF by whole sub- slice informations, NSMF, by NSSMF determines the blueprint of available sub- slice (including but not limited to template and accordingly according to the demand that antithetical phrase is sliced Flavor) and NSMF is returned to, NSMF is sliced blueprint according to the blueprint information design network of the son slice of acquisition, specifically:

The demand information that antithetical phrase is sliced is sent to corresponding NSSMF by step 142, NSMF；

Step 143, NSSMF are sliced blueprint according to sub- slice demand and son slice template information design；

Sub- slice blueprint information is sent to NSMF by step 144, NSSMF；

Step 145, NSMF are based on slice demand and son slice blueprint information generates slice blueprint；

Step 210, NSMF is sliced the instantiation of blueprint starting network slice according to network:

Step 210 includes:

Step 211, NSMF is instantiated and network is activated to be sliced example common portion function；

Step 212, NSMF starts the instantiation for the son slice that network slice includes by NSSMF；

Step 213, NSSMF is sliced according to sub- slice blueprint example beggar；

Step 214, NSSMF is sliced example according to sub- slice blueprint antithetical phrase and is configured；

Step 215, NSMF configures slice example according to slice blueprint；

It should be noted that the sequence between each step in step 210 can be replaced according to corresponding situation.

Before the layout of above-mentioned network slice and instantiation process carry out, it will usually be previously-completed following preparation process:

(1), equipment vendor or professional user shift to an earlier date the layout that NSD and corresponding VNFD are completed in MANO and preset.

(2), the environment of NFVI, the external Virtual that NS and VNF are relied on are provided for virtualizing cloud platform by third party The network platform needs preset in advance get through.

Referring to Fig. 3, the embodiment of the present invention proposes a kind of slice blueprint generation method, which comprises

Step 311, CSMN receives user to the order of communication service, including the demand for the communication service ordered needs.

Step 312, the communication service need that CSMF is inputted according to user+seek the demand determined to network, including but not limited to SLA。

Step 313, the determining demand (SLA etc.) to network is sent to NSMF by CSMF.

Step 321, NSMF is converted to the network demand received (SLA etc.) to slice/sub- slice demand (including but not It is limited to KPI etc.).

Step 322, NSMF retrieves current network according to the demand to slice and is sliced blueprint library,

If finding suitable slice blueprint, 331 are thened follow the steps, and starts network slice instantiation process；If not finding Suitable slice blueprint, then start slice blueprint design function (BPDF-Blueprint Design Function) and carry out newly Network is sliced the design of blueprint, executes step 322；

Step 331, determine that the slice blueprint found is required slice blueprint；

Step 332, NSMF will be sent to BPDF to slice/sub- slice demand；

In the case where BPDF possesses the template and its satiable demand (QoS etc.) information of all available sub- slices, hold Row step 341 does not possess the template of all available sub- slices in BPDF and its in the case where satiable demand information, executes Step 342；

Step 341, BPDF is according to the network slice/sub- slice template imported to slice/sub- slice demand, in advance and pre- If blueprint layout strategy generate a new network and be sliced blueprint；

Blueprint design for the network slice comprising sub- slice, if BPDF has possessed the mould of all available sub- slices Plate and its satiable demand (KPI etc.) information, then it is blue can directly to design sub- slice using sub- slice relevant information by BPDF Figure.If the demand information that antithetical phrase is sliced is not sent to corresponding NSSMF to BPDF by whole sub- slice informations, BPDF, by NSSMF determines the blueprint of available sub- slice (including but not limited to template and accordingly according to the demand that antithetical phrase is sliced Flavor) and BPDF is returned to, BPDF is sliced blueprint according to the blueprint information design network of the son slice of acquisition, specifically:

The demand information that antithetical phrase is sliced is sent to corresponding NSSMF by step 342, BPDF；

Step 343, NSSMF are sliced blueprint according to sub- slice demand and son slice template information design；

Sub- slice blueprint information is sent to BPDF by step 344, NSSMF；

Step 345, BPDF are based on slice demand and son slice blueprint information generates slice blueprint；

The slice blueprint of generation is sent to NSMF by step 351, BPDF.

In the embodiment of the present invention, in the case that NSMF does not find suitable slice blueprint, starting slice blueprint design function (BPDF-Blueprint Design Function) carries out the design of new network slice blueprint, and input includes but is not limited to such as It is one of lower: the network slice/sub- slice template imported to slice/sub- slice demand, in advance and preset blueprint layout strategy Etc. information.BPDF is received from NSMF to slice/sub- slice demand, according to the net imported to slice/sub- slice demand, in advance Network slice/sub- slice template and preset blueprint layout strategy generate a new network and are sliced blueprint, and new network is cut Piece blueprint information returns to NSMF.

Blueprint design for the network slice comprising sub- slice, if BPDF has possessed the mould of all available sub- slices Plate and its satiable demand (KPI etc.) information, then it is blue can directly to design sub- slice using sub- slice relevant information by BPDF Figure.If the demand information that antithetical phrase is sliced is not sent to corresponding NSSMF to BPDF by whole sub- slice informations, BPDF, by NSSMF determines the blueprint of available sub- slice (including but not limited to template and accordingly according to the demand that antithetical phrase is sliced Flavor) and BPDF is returned to, BPDF is sliced blueprint according to the blueprint information design network of the son slice of acquisition.

Referring to fig. 4, the embodiment of the present invention proposes a kind of network slice generation method, which comprises

Step 410, NSMF obtain slice blueprint according to slice demand；

Step 450, NSMF generate corresponding slice example according to the slice blueprint of acquisition.

Slice blueprint is obtained in one embodiment of the invention, in the step 410 includes:

Step 411, the NSMF suitable slice blueprint of retrieval in slice blueprint library according to slice demand；When can retrieve, Step 412 is executed, when cannot retrieve, executes step 413；

Step 412, NSMF obtain the slice blueprint of retrieval in the case where that can retrieve suitable slice blueprint；

Step 413, NSMF generate new slice blueprint in the case where that cannot retrieve suitable slice blueprint.

New slice blueprint is generated in the embodiment of the present invention, in step 413 includes:

NSMF is according to the network slice/sub- slice template imported to slice/sub- slice demand information, in advance and in advance If blueprint layout strategy generate a new slice blueprint.

In the embodiment of the present invention, in step 413, in the case where network slice includes son slice, the slice blueprint packet Enclosed tool is sliced blueprint；The generation slice blueprint further includes generating sub- slice blueprint；

Generation is sliced blueprint and includes:

Step 4131, in the case where NSMF has obtained sub- slice Template Information, NSMF is according to sub- slice template and right The demand information of son slice generates son slice blueprint；

Son slice template information includes but is not limited to sub- slice template and the satiable demand information of son slice；

The demand information of the antithetical phrase slice is that NSMF is determined or inputted by the external world, the sub- satiable need of slice Seeking information is the characteristic of sub- slice itself.

Step 4132, NSMF without son slice Template Information in the case where, NSMF by sub- slice blueprint request be sent to NSSMF, so that the NSSMF determines available sub- slice blueprint according to the sub- slice blueprint request；

Wherein, sub- slice blueprint request includes the demand information of antithetical phrase slice；

Step 4133, NSMF receive the available sub- slice blueprint that NSSMF is determined, and according to the sub- slice blueprint information Generate slice blueprint.

Slice blueprint is obtained in another embodiment of the present invention, in the step 410 includes:

Step 421, the NSMF suitable slice blueprint of retrieval in slice blueprint library according to slice demand；It is suitable to retrieve Slice blueprint when, execute step 422, when can retrieve approximate suitable slice blueprint, execute step 424, conjunction cannot be retrieved When suitable slice blueprint or approximation is suitably sliced blueprint, step 425 is executed；

Step 422, NSMF obtains the slice blueprint of retrieval in the case where that can retrieve suitable slice blueprint；

Step 423, NSMF has searched whether that approximation meets network in the case where that cannot retrieve suitable slice blueprint The slice blueprint of slice demand；

In the embodiment of the present invention, the judgement that approximation meets network slice demand is carried out according to preset blueprint layout strategy , it mainly compares according to whether the ability that the slice example that network is sliced blueprint instantiation can provide can satisfy to slice Demand, can there is a deviation here, and specific deviation is set by preset blueprint layout strategy.

Step 424, for NSMF in the case where there is the approximate slice blueprint met, the slice blueprint met according to approximation is raw The slice blueprint of Cheng Xin；

Wherein, if the approximate slice blueprint for meeting network slice demand is found, based on this blueprint, according to pre- If blueprint layout strategy generate a new slice blueprint；Here mainly original blueprint is adjusted according to above-mentioned deviation It is whole, to meet the needs of to slice.

If step 425 does not find the approximate slice blueprint for meeting network slice demand, search further for existing Network is sliced template, searches whether the slice template that approximate can meet network slice demand.

If step 426 finds the slice template that approximate can meet network slice demand, based on this template, A new slice template is generated according to preset blueprint layout strategy, carries out class here and using the method for above-mentioned deviation As operation complete the generation of new slice template.

If step 427 does not find the slice template that approximate can meet network slice demand, according to preset indigo plant G- Design strategy generating one completely new slice template；

Step 427, according to above-mentioned newly-generated slice template, generate a new slice blueprint.

In addition, new slice blueprint also can be generated there is no the approximate slice blueprint met in NSMF.This Whether in the case of kind, not searching for has the approximate slice template for meeting network slice demand.

It is described to search whether the approximate slice blueprint for meeting network slice demand in step 423 in the embodiment of the present invention Include:

In step 424, the slice blueprint met according to approximation generates new slice blueprint and includes:

It is described that corresponding slice example packet is generated according to the slice blueprint of acquisition in step 450 in the embodiment of the present invention It includes:

Corresponding NSD information is found according to slice blueprint；To complete the instantiation of network service by MANO；

After the instantiation that MANO completes NSD, network slice is configured；

Referring to Fig. 5, the embodiment of the present invention proposes a kind of network slice generation method, which comprises

Step 510, NSSMF receive the son slice blueprint request that NSMF is sent；

The input information that son slice blueprint request carries includes the demand (KPI etc.) of antithetical phrase slice；

Step 520, NSSMF determine available sub- slice blueprint information according to the sub- slice blueprint request；

Wherein, step 520 includes:

Step 521, generation for receiving NSMF input are sliced the request of blueprint, and input information includes the demand of antithetical phrase slice (KPI etc.)；

Step 522 is sliced blueprint library according to the current son of the demand retrieval of antithetical phrase slice,

If finding suitable son slice blueprint, promoter is sliced instantiation process；

If not finding suitable son slice blueprint, turn in next step；

The new son slice blueprint of step 523, dynamic generation；The son imported according to the demand of antithetical phrase slice, in advance is sliced Template and preset blueprint layout strategy generate a new son slice blueprint.

Step 530, NSSMF determine available sub- slice blueprint information be sent to NSMF so that the NSMF according to The sub- slice blueprint information generates son slice blueprint.

Wherein, after slice blueprint is completed, in instantiation process, the method also includes:

Step 540, NSSMF receive the son slice blueprint information that NSMF is sent；

Step 550, NSSMF are according to the corresponding NSD information of the sub- slice blueprint information searching；

The NSD information is sent to MANO by step 560, NSSMF, with the example for completing network service by the MANO Change；

Step 570, NSSMF configure network slice after the instantiation that MANO completes NSD.

The embodiment of the present invention proposes a kind of network slice generation method, which comprises

Step 610, the demand being sliced according to antithetical phrase, search for existing sub- slice blueprint, have searched whether approximate satisfaction The son slice blueprint of slice demand.

Here the judgement that approximation meets sub- slice demand is carried out according to preset blueprint layout strategy, is mainly compared Whether can satisfy the demand of antithetical phrase slice to the ability that the son slice example instantiated according to sub- slice blueprint can provide, here There can be a deviation, specific deviation is set by preset blueprint layout strategy.

If step 620 finds the approximate son slice blueprint for meeting sub- slice demand, based on this blueprint, root A new son slice blueprint is generated according to preset blueprint layout strategy；Here mainly according to above-mentioned deviation to original blueprint It is adjusted, to meet the needs of to slice.

If step 630 does not find the approximate son slice blueprint for meeting sub- slice demand, search further for existing Son slice template searches whether the slice template that approximate can meet sub- slice demand.

If step 640 finds the son slice template that approximate can meet sub- slice demand, based on this template, A new son slice template is generated according to preset blueprint layout strategy, further according to this new son slice template, here It is the generation for carrying out similar operation using the method for above-mentioned deviation and completing new son slice template.

If step 650 does not find the son slice template that approximate can meet sub- slice demand, according to preset indigo plant G- Design strategy generating one completely new son slice template；

Step 660 is sliced template according to above-mentioned newly-generated son, generates a new son slice blueprint.

Based on same as the previously described embodiments or similar design, the embodiment of the present invention also provides a kind of network slice generation dress It sets, is arranged on NSMF, described device includes:

In the embodiment of the present invention, the slice blueprint acquiring unit obtains slice blueprint and includes:

In the embodiment of the present invention, slice blueprint acquiring unit generates new slice blueprint and includes:

In the embodiment of the present invention, the slice blueprint acquiring unit further includes that sub- slice blueprint obtains module,

The sub- slice blueprint obtains module and is used to that it is blue to generate son slice in the case where network slice includes son slice Figure；

The sub- slice blueprint obtains module generation son slice blueprint

The slice blueprint acquiring unit is also used to generate slice blueprint according to the sub- slice blueprint information.

In the embodiment of the present invention, the slice blueprint acquiring unit searches whether that the approximate network that meets is sliced cutting for demand Piece blueprint includes:

In the embodiment of the present invention, the slice blueprint acquiring unit is also used to:

Receive the slice blueprint that BPDF is sent.

In the embodiment of the present invention, the slice blueprint acquiring unit generates corresponding slice in fact according to the slice blueprint of acquisition Example include:

Corresponding network service descriptor NSD information is found according to slice blueprint；To complete network service by MANO Instantiation；

After the instantiation that MANO completes NSD, network slice is configured；

Based on same as the previously described embodiments or similar design, the embodiment of the present invention also provides network slice generating means, On network slice management function NSSMF, described device includes: for setting

In the embodiment of the present invention, the sub- slice blueprint determination unit determines that available sub- slice blueprint information includes:

In the embodiment of the present invention, described device further include:

Instantiating unit, for receiving the son slice blueprint information of NSMF transmission；It is looked into according to the sub- slice blueprint information Look for corresponding NSD information；And the NSD information is sent to MANO, with the example for completing network service by the MANO Change；

Based on same as the previously described embodiments or similar design, the embodiment of the present invention also provides a kind of network slice generation dress It sets, is arranged on blueprint design function BPDF, described device includes:

Transmission unit, for the slice blueprint of generation to be sent to NSMF.

In the embodiment of the present invention, the slice blueprint unit generates new cut according to described pair of slice/sub- slice demand Piece blueprint includes:

Based on same as the previously described embodiments or similar design, the embodiment of the present invention also provides a kind of terminal, including storage Device, processor and it is stored in the computer program that can be run on the memory and on the processor, the processor is held The processing of either method provided in an embodiment of the present invention is realized when the row computer program.

It should be noted that embodiment described above be merely for convenience of it will be understood by those skilled in the art that, and It is not used in and limits the scope of the invention, under the premise of not departing from inventive concept of the invention, those skilled in the art couple Any obvious replacement and improvement that the present invention is made etc. are within the scope of the present invention.

Claims

1. a kind of network is sliced generation method, which is characterized in that the described method includes:

2. network according to claim 1 is sliced generation method, which is characterized in that the acquisition is sliced blueprint and includes:

3. network according to claim 2 is sliced generation method, which is characterized in that described to generate new slice blueprint packet It includes:

A new slice blueprint is generated according to demand information, slice template and the preset blueprint layout strategy to slice； Wherein, when including son slice, one is generated according to the demand information of antithetical phrase slice, sub- slice template and blueprint layout strategy A new son slice blueprint.

4. network according to claim 3 is sliced generation method, which is characterized in that include the feelings of son slice in network slice Under condition, the slice blueprint includes son slice blueprint；The generation slice blueprint further includes obtaining sub- slice blueprint；

The acquisition slice blueprint includes: in the case where NSMF has obtained sub- slice Template Information, and NSMF is cut according to son The demand information of piece Template Information and antithetical phrase slice generates son slice blueprint；The case where NSMF is without son slice Template Information Under, the request of sub- slice blueprint is sent to network slice management function NSSMF by NSMF, so that the NSSMF is according to Son slice blueprint request determines available sub- slice blueprint；

5. network according to claim 2 is sliced generation method, which is characterized in that the acquisition is sliced blueprint and includes:

NSMF searches whether that the approximate network that meets is sliced cutting for demand in the case where that cannot retrieve suitable slice blueprint Piece blueprint；

For NSMF in the case where meeting the slice blueprint of network slice demand in the presence of approximation, the slice blueprint met according to approximation is raw The slice blueprint of Cheng Xin；

6. network according to claim 5 is sliced generation method, which is characterized in that described to have searched whether that approximation meets net Network slice demand slice blueprint include:

In the deviation according to provided by the slice example of slice blueprint instantiation between ability and the demand of slice predetermined Deviation range within when, the slice blueprint is determined as to the slice blueprint of approximate satisfaction；

7. network according to claim 5 is sliced generation method, which is characterized in that further include:

NSMF searches for existing network slice template, has searched whether there is no the approximate slice blueprint met It approximate can meet the slice template of network slice demand；

In the case where no approximation meets the slice template of network slice demand, one is generated according to preset blueprint layout strategy A new slice template；

8. network according to claim 1 is sliced generation method, which is characterized in that the acquisition is sliced blueprint and includes:

NSMF is blue as the slice obtained using the slice blueprint of retrieval in the case where that can retrieve suitable slice blueprint Figure；

NSMF is set in the case where that cannot retrieve suitable slice blueprint by blueprint is sent to slice/sub- slice demand Function BPDF is counted, so that BPDF generates new slice blueprint according to described pair of slice/sub- slice demand；

NSMF receives the slice blueprint that BPDF is sent.

9. network according to claims 1 to 8 is sliced generation method, which is characterized in that the slice according to acquisition is blue Figure generates corresponding slice example

Corresponding network service descriptor NSD information is found according to slice blueprint；To pass through virtualization network management and composer The instantiation of MANO completion network service；

After the instantiation that MANO completes NSD, network slice is configured；

It is described also to be wrapped according to the corresponding slice example of the slice blueprint of acquisition generation in the case that at network, slice includes son slice It includes:

The sub- slice blueprint information is sent to NSSMF by NSMF, to start the son slice that network slice includes by NSSMF Instantiation.

10. a kind of network is sliced generation method, which is characterized in that the described method includes:

The available sub- slice blueprint information that NSSMF is determined is sent to NSMF, so that the NSMF is blue according to the sub- slice Figure information generates son slice blueprint.

11. network according to claim 10 is sliced generation method, which is characterized in that the available sub- slice of determination is blue Figure information includes:

In the case where suitable slice blueprint can not be retrieved, according to the demand of antithetical phrase slice, sub- slice template and preset Blueprint layout strategy generate a new son slice blueprint.

12. network according to claim 10 is sliced generation method, which is characterized in that the method also includes:

NSSMF receives the son slice blueprint information that NSMF is sent；

NSSMF configures network slice after the instantiation that MANO completes NSD.

13. a kind of network is sliced generation method, which is characterized in that the described method includes:

The slice blueprint of generation is sent to NSMF by BPDF.

14. network according to claim 13 is sliced generation method, which is characterized in that the BPDF is cut according to described Dui Piece/sub- slice demand generates new slice blueprint

In the case where BPDF has the template and its satiable demand of all available sub- slices, BPDF is according to the need to slice Information, slice template and preset blueprint layout strategy is asked to generate a new slice blueprint；It wherein, is including son slice When, a new son slice blueprint is generated according to the demand information of antithetical phrase slice, sub- slice template and blueprint layout strategy；

If BPDF is not in the case where whole sub- slice informations, the demand information that antithetical phrase is sliced is sent to accordingly by BPDF NSSMF, so that NSSMF determines the blueprint of available sub- slice according to the demand that antithetical phrase is sliced；BPDF is based on slice demand And the son slice blueprint information that NSSMF is sent generates slice blueprint.

15. a kind of network is sliced generating means, setting is on network slice management function NSMF, which is characterized in that described device Include:

16. network according to claim 15 is sliced generating means, which is characterized in that the slice blueprint acquiring unit obtains Take slice blueprint include:

17. network according to claim 16 is sliced generating means, which is characterized in that slice blueprint acquiring unit generates new Slice blueprint include:

A new slice blueprint is generated according to demand information, slice template and the preset blueprint layout strategy to slice；

When including son slice, one is generated according to the demand information of antithetical phrase slice, sub- slice template and blueprint layout strategy New son slice blueprint.

18. network according to claim 17 is sliced generating means, which is characterized in that the slice blueprint acquiring unit is also Module is obtained including sub- slice blueprint,

The sub- slice blueprint obtains module and is used to obtain son slice blueprint in the case where network slice includes son slice；

The sub- slice blueprint obtains module acquisition son slice blueprint

In the case where having obtained sub- slice Template Information, the demand information being sliced according to sub- slice Template Information and antithetical phrase is raw At sub- slice blueprint；

19. network according to claim 16 is sliced generating means, which is characterized in that the slice blueprint acquiring unit obtains Take slice blueprint include:

In the case where suitable slice blueprint cannot be retrieved, search whether that the approximate slice for meeting network slice demand is blue Figure；

In the case where there is the approximate slice blueprint met, new slice blueprint is generated according to the slice blueprint that approximation meets；

20. network according to claim 19 is sliced generating means, which is characterized in that the slice blueprint acquiring unit is looked into Whether look for has the approximate slice blueprint for meeting network slice demand to include:

21. network according to claim 19 is sliced generating means, which is characterized in that the slice blueprint acquiring unit is also For:

There is no the approximate slice blueprint met, existing network slice template is searched for, having searched whether can be with Approximation meets the slice template of network slice demand；

It includes: blue according to the new slice of the slice template generation that the slice blueprint acquiring unit, which generates new slice blueprint, Figure.

22. network according to claim 15 is sliced generating means, which is characterized in that the slice blueprint acquiring unit obtains Take slice blueprint include:

In the case where suitable slice blueprint can be retrieved, using the slice blueprint of retrieval as the slice blueprint obtained；

In the case where suitable slice blueprint cannot be retrieved, blueprint design function will be sent to slice/sub- slice demand Energy BPDF, so that BPDF generates new slice blueprint according to described pair of slice/sub- slice demand；

Receive the slice blueprint that BPDF is sent.

23. network described in 6~22 is sliced generating means according to claim 1, which is characterized in that the slice blueprint obtains single Member generates corresponding slice example according to the slice blueprint of acquisition

After the instantiation that MANO completes NSD, network slice is configured；

The slice blueprint acquiring unit is in the case where network slice includes son slice, according to the generation pair of the slice blueprint of acquisition The slice example answered, including:

24. a kind of network is sliced generating means, setting is on network slice management function NSSMF, which is characterized in that the dress It sets and includes:

Son slice blueprint determination unit, for determining available sub- slice blueprint information according to the sub- slice blueprint request；

Blueprint information transmitting unit is sent to NSMF for determining available sub- slice blueprint information, so that the NSMF Son slice blueprint is generated according to the sub- slice blueprint information.

25. network according to claim 24 is sliced generating means, which is characterized in that the sub- slice blueprint determination unit Determine that available sub- slice blueprint information includes:

26. network according to claim 24 is sliced generating means, which is characterized in that described device further include:

Instantiating unit, for receiving the son slice blueprint information of NSMF transmission；According to the sub- slice blueprint information searching pair The NSD information answered；And the NSD information is sent to virtualization network management and composer MANO, to pass through the MANO Complete the instantiation of network service；

27. a kind of network is sliced generating means, it is arranged on blueprint design function BPDF, which is characterized in that described device includes:

Transmission unit, for the slice blueprint of generation to be sent to NSMF.

28. network according to claim 27 is sliced generating means, which is characterized in that the slice blueprint unit is according to institute It states and new slice blueprint is generated to slice/sub- slice demand includes:

In the case where having the template and its satiable demand of all available sub- slices, BPDF believes according to the demand to slice Breath, slice template and preset blueprint layout strategy generate a new slice blueprint；Wherein, when including son slice, root A new son slice blueprint is generated according to the demand information of antithetical phrase slice, sub- slice template and blueprint layout strategy；

In the case where not whole sub- slice information, the demand information that antithetical phrase is sliced is sent to corresponding NSSMF, so that Obtain the blueprint that NSSMF determines available sub- slice according to the demand that antithetical phrase is sliced；The son sent based on slice demand and NSSMF It is sliced blueprint information and generates slice blueprint.

29. a kind of terminal, including memory, processor and it is stored on the memory and can runs on the processor Computer program, which is characterized in that the processor is realized when executing the computer program as any in claim 1 to 14 The processing of method described in claim.