CN106341832A - Network slice management and selection method and system, base station and route switching equipment - Google Patents
Network slice management and selection method and system, base station and route switching equipment Download PDFInfo
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- CN106341832A CN106341832A CN201510394790.0A CN201510394790A CN106341832A CN 106341832 A CN106341832 A CN 106341832A CN 201510394790 A CN201510394790 A CN 201510394790A CN 106341832 A CN106341832 A CN 106341832A
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Abstract
The invention discloses a network slice management and selection method and system, a base station and route switching equipment. The network slice management and selection method comprises the steps of receiving a corresponding relation, which is sent by a control arrangement module, between slice IDs and NF IDs, or querying a corresponding NF ID according to a slice ID; receiving slice ID information sent by UE (User Equipment), and determining an NF ID corresponding to the slice ID information sent by the UE according to the corresponding relation between the slice IDs and the NF IDs; guiding data sent by the UE to a corresponding slice entry according to the determined NF ID; and performing network slice addition, update and deletion through the control arrangement module.
Description
Technical field
The present invention relates to network section (slice) technology of mobile network, more particularly, to a kind of network slice's
Management and system of selection, system, base station, route exchange device.
Background technology
With the high speed development of mobile Internet and mobile network, mobile network needs satisfaction more diversified
The big connection of business scenario, such as low-power consumption, focus high power capacity, the covering of continuous wide area, low time delay are highly reliable, empty
Intend operator, enterprise network, etc. scene.Different scenes is to mobile network (especially moving packet-based core networks)
There are different demands, the different demands of such as functional characteristic, demand of signaling data flow accounting etc..
And the mentality of designing of conventional mobile network is to serve various application scenarios based on a set of logical architecture.Although moving
Dynamic management entity (mme, mobility management entity) possesses certain intelligent capability, mme
The selection of gateway can be carried out based on code number；Base station possesses the weight that can load based on mme, selects mme；
Special core net (dcn, dedicated core network) mechanism is one mme of base station initial selected,
By redirecting the mme in selection target dedicated core network.But these mechanism all cannot
The mobile core network serving different scenes is kept apart it is difficult to adapt to the multiple business scene in future network
(such as Internet of Things, highly dense, low latency etc.), its framework is single, dumb it is difficult to be adapted to relatively low cost
Diversified network demand；A kind of fault of network element may influence whether the operation of other business；By difference
The thorough isolation of mobile core network, is conducive to the function to mobile core network to carry out different customizations, to service
In different scenes, different mobile core network functions can independently extend.
Content of the invention
For solving above-mentioned technical problem, embodiments provide a kind of management of network slice and selecting party
Method, system, base station, route exchange device.
The management of network slice provided in an embodiment of the present invention and system of selection include:
Base station receive control orchestration module or network to cut into slices section mark (slice id) that management module sends with
The corresponding relation of entrance mark (nf id)；
The slice id information that receiving terminal (ue) sends, corresponding with nf id according to described slice id
Relation, determines the nf id corresponding with the slice id information that described ue sends；
Nf id determined by foundation, the data that ue is sent guides to corresponding network slice entrance.
In the embodiment of the present invention, the slice id information that described reception ue sends, comprising:
When base station and ue set up wireless heterogeneous networks (rrc, radio resource control) connect or
When ue is adhered to or passed through slice id selection, receive the slice id information that ue sends；
Preserve the slice id information that described ue sends.
In the embodiment of the present invention, described base station receives and controls orchestration module or network to cut into slices what management module sent
Section mark slice id is identified after the corresponding relation of nf id with entrance, and methods described also includes:
According to the corresponding relation of described slice id and nf id, add or delete or update the data forwarding
Table, described data forwarding table includes the corresponding relation of one or more slice id and nf id.
In the embodiment of the present invention, nf id determined by described foundation, the data that ue is sent guides to right
The network slice entrance answered, comprising:
Nf id determined by foundation, determines the ip address of network slice entrance；
Described ip address is sent to ip net, by described ip net according to the data forwarding rule to send ue
It is forwarded to corresponding network slice entrance.
In the embodiment of the present invention, described network section includes serving the core of one or more application scenarios
Net or the network being made up of core net and access network.
The management of network section slice that another embodiment of the present invention provides and system of selection include:
Route exchange device receives the corresponding relation of the slice id and nf id controlling orchestration module to send；
According to the corresponding relation of described slice id and nf id, the ue data that base station is sent routes to accordingly
Network slice entrance；
Wherein, described ue data is packaged with slice id information, and described nf id is used for indicating network slice
Entrance.
In the embodiment of the present invention, the described corresponding relation according to described slice id and nf id, base station is sent out
The ue data come routes to corresponding network slice entrance, comprising:
The ue data that base station is sent parses, and obtains described ue data corresponding slice id information；
According to described slice id information, search nf id corresponding with described slice id information in the routing table,
Described routing table includes the corresponding relation of one or more slice id and nf id；
According to the nf id finding, by ue data is activation to corresponding network slice entrance.
In the embodiment of the present invention, described route exchange device receives the section mark controlling orchestration module to send
After slice id identifies the corresponding relation of nf id with entrance, methods described also includes:
According to the corresponding relation of described slice id and nf id, add or delete or update the data forwarding
Table, described data forwarding table includes the corresponding relation of one or more slice id and nf id.
In the embodiment of the present invention, described network section includes serving the core of one or more application scenarios
Net or the network being made up of core net and access network.
Base station provided in an embodiment of the present invention includes:
Receiving unit, controls, for receiving, the section mark that orchestration module or network section management module send
Slice id identifies the corresponding relation of nf id with entrance；
Routing unit, for receiving the slice id information of ue transmission, according to described slice id and nf id
Corresponding relation, determine the corresponding nf id of slice id information with described ue transmission；
Transmitting element, for nf id determined by foundation, the data that ue is sent guides to corresponding net
Network slice entrance.
In the embodiment of the present invention, it is additionally operable to set up with ue that rrc is connected or ue is adhered to or led to when base station
When crossing slice id selection, receive the slice id information that ue sends；
Described base station also includes: memory element, for preserving the slice id information that described ue sends.
Encapsulation unit, by slice id Information encapsulation in the data of ue.
In the embodiment of the present invention, described routing unit, it is right according to described slice id and nf id to be additionally operable to
Should be related to, add or delete or update the data forward table, described data forwarding table includes one or more slice
The corresponding relation of id and nf id.
In the embodiment of the present invention, described transmitting element, it is additionally operable to nf id determined by foundation, determine network
The ip address of slice entrance；Described ip address is sent to ip net, regular according to forwarding by described ip net
The data forwarding extremely corresponding network slice entrance that ue is sent.
In the embodiment of the present invention, described network section includes serving the core of one or more application scenarios
Net or the network being made up of core net and access network.
Route exchange device provided in an embodiment of the present invention includes:
Receiving unit, controls the section mark slice id that orchestration module sends to identify nf with entrance for receiving
The corresponding relation of id；
Routing unit, for the corresponding relation according to described lice id and nf id, the ue that base station is sent
Data routes to corresponding network slice entrance；
Wherein, described ue data is packaged with slice id information, and described nf id is used for indicating network slice
Entrance.
In the embodiment of the present invention, described routing unit includes:
Parsing subelement, the ue data for sending to base station parses, and obtains described ue data pair
The slice id information answered；
Search subelement, for according to described slice id information, searching and described slice id in the routing table
Information corresponding nf id, described routing table includes the corresponding relation of one or more slice id and nf id；
Send subelement, for according to the nf id finding, by ue data is activation to corresponding network slice
Entrance.
In the embodiment of the present invention, described routing unit, it is right according to described slice id and nf id to be additionally operable to
Should be related to, add or delete or update the data forward table, described data forwarding table includes one or more slice
The corresponding relation of id and nf id.
In the embodiment of the present invention, described network section includes serving the core of one or more application scenarios
Net or the network being made up of core net and access network.
The management of network slice provided in an embodiment of the present invention and selection system include above-mentioned base station, route switching
Equipment, ue, control orchestration module, network slice；Wherein,
Described ue, for send slice id information to base station；
Described base station, for receive control orchestration module or network to cut into slices slice id that management module sends with
The corresponding relation of nf id；Receive the slice id information that ue sends, according to described slice id and nf id
Corresponding relation, determine the corresponding nf id of slice id information with described ue transmission；Foundation is determined
Nf id, the data that ue is sent guides to corresponding network slice entrance；
Described route exchange device, for receiving the right of the slice id and nf id controlling orchestration module to send
Should be related to；According to the corresponding relation of described slice id and nf id, the ue data that base station is sent routes to
Corresponding network slice entrance.
In the technical scheme of the embodiment of the present invention, by controlling, orchestration module is same to issue slice id and nf id
Corresponding relation, here, by two kinds of lower section modes, be respectively issued to base station and be issued to route switching and set
Standby.For first kind of way, base station receives and controls the slice that orchestration module or network section management module send
The corresponding relation of id and nf id；Receive ue send slice id information, according to described slice id with
The corresponding relation of nf id, determines the nf id corresponding with the slice id information that described ue sends；Foundation
Determined by nf id, the data that ue is sent guides to corresponding network slice entrance.For second
Mode, route exchange device receives the corresponding relation of the slice id and nf id controlling orchestration module to send；
According to the corresponding relation of described slice id and nf id, the ue data that base station is sent routes to corresponding net
Network slice entrance；Wherein, described ue data is packaged with slice id information, and described nf id is used for indicating
Network slice entrance.The technical scheme of the embodiment of the present invention can be based on the different net of different business scenario configurations
Network slice (set of some network functions), and can flexibly add, update and delete network slice,
Adapt to following various mobile network's demand；Ue can flexibly select different networks based on business demand
slice；Realize the guiding of ue data by base station or route exchange device (in ip net), by different scenes
Ue data guide to different network slice；Heterogeneous networks function is located at different slice, each other it
Between mutually isolated, have higher stability.
Brief description
Fig. 1 is the network section management of slice and the schematic flow sheet of system of selection of the embodiment of the present invention one；
Fig. 2 is the network section management of slice and the schematic flow sheet of system of selection of the embodiment of the present invention two；
Fig. 3 is the schematic diagram of the network slice selection mechanism being forwarded based on base station of the embodiment of the present invention；
Fig. 4 is being selected based on the network slice that the route exchange device in ip net forwards of the embodiment of the present invention
The schematic diagram of mechanism；
Fig. 5 is the structure composition schematic diagram of the base station of the embodiment of the present invention；
Fig. 6 is the structure composition schematic diagram of the route exchange device of the embodiment of the present invention；
Fig. 7 is the management of network slice of the embodiment of the present invention and the structure composition schematic diagram selecting system；
Fig. 8 is the schematic diagram of the slice selection mechanism of base stations network section management of the embodiment of the present invention.
Specific embodiment
In order to more fully hereinafter understand feature and the technology contents of the embodiment of the present invention, below in conjunction with the accompanying drawings
Realization to the embodiment of the present invention is described in detail, appended accompanying drawing purposes of discussion only for reference, is not used for
Limit the embodiment of the present invention.
In the embodiment of the present invention, network section (slice) or section network are to serve one or more applied field
Scape core net or the network being made up of core net and access network.The difference of application scenarios can be enterprise
The difference of the application scenarios such as net, Internet of Things or terminal type equal, or business is not
With.The section of each network has Web portal function.Network section is to be use for different application scenarios
The service network that family is provided.
Fig. 1 is the management of network slice of the embodiment of the present invention one and the schematic flow sheet of system of selection, originally shows
The management of network slice in example and system of selection are applied to base station, and here, management refers to new network slice
Interpolation, the renewal of existing network slice and deletion.Select the data referring to distinguish different scenes, and will not
Guide to different network slice with the data of scene.
As shown in figure 1, the management of described network slice and system of selection comprise the following steps:
Step 101: base station receive control orchestration module or network to cut into slices slice id that management module sends with
The corresponding relation of nf id.
In the embodiment of the present invention, set up with ue when base station wireless heterogeneous networks rrc be connected or ue carry out attached
When or selecting by slice id, receive the slice id information that ue sends；Preserve what described ue sent
Slice id information.
Specifically, ue first has to select network silce, determines corresponding slilce id.Ue is to base station
The mode of transmission silce id includes three kinds:
Mode one: transmit when rrc sets up setting up:
When ue and base station carry out rrc and set up, by slice id, (slice id can use original public affairs to ue
Altogether land mobile network (plmn, public land mobile network) field is it is also possible in rrc
In new definition field: during base station broadcast, ue obtains the list ue of slice id and selects a slice id,
It is signaled to base station when sending rrc request) pass to base station.The slice id that base station preserves ue completes
The selection course of slice, base station is authenticated process, and after certification success, base station sends rrc to ue and sets up
Confirmation, completes the foundation of rrc；The last attachment completing ue between ue and base station and network function
(attach) process.During attach, corresponding network is chosen according to network section selection function in base station
In section.
Mode two: simultaneously transmit with attach request:
Rrc connection building process is completed first between ue and base station.When ue carries out attach, ue
By attach solicited message and slice id information signals base in the packet of rrc；Base station is receiving ue
Rrc packet after, by obtain slice id information preserve；Select corresponding network according to slice id
Inlet function, is then authenticated process, and after certification is passed through, base station is transmitted to phase by obtaining attach information
Web portal function is answered to proceed attach process；Network function sends after attach confirmation to ue
Complete attach process.
Mode three: the proprietary slice id selection flow process of interpolation:
Add new slice and select flow process.Complete after rrc is connected in ue and base station, ue and base station start
The selection flow process of proprietary slice id, is initiated to access the request of corresponding slice by ue, and base station will ask to send out
To Web portal function, Web portal function accesses hss, checks whether access is legal, if legal, net
Network inlet function signals base allows to access, and base station sends slice to ue after preserving corresponding information and is successfully accessed
Response.The last attachment carrying out ue again.
In the embodiment of the present invention, base station according to the corresponding relation of described slice id and nf id, add or
Delete or update the data forward table, described data forwarding table includes one or more slice id and nf id's
Corresponding relation.
In the embodiment of the present invention, control orchestration module the to be responsible for interpolation of network slice that entrance (nf) is located,
Update and safeguard；The corresponding informance of slice id and nf id can be handed down to base station or route exchange device.
Wherein slice id refers to the mark of heterogeneous networks slice.User can be selected by selecting different slice id
Different scenes corresponding network slice.Nf id refer to slice entrance mark, can by URL (url,
Uniform resource locator) or ip address represent.Specific network slice can be reached according to nf id
Entrance.
In the embodiment of the present invention, the inlet function of particular network slice is realized in entrance.Entry point identifications are
Nf id, the mode such as available url, ip address is realized.Inlet function can be existing packet-based core networks (epc,
Evolved packet core) the mme function in network or the net for new business Scenario Design
Network inlet function.
In the embodiment of the present invention, network is cut into slices, and record management server slice id is corresponding with nf id to close
System.
Step 102: the slice id information that receiving terminal ue sends, according to described slice id and nf id
Corresponding relation, determine the corresponding nf id of slice id information with described ue transmission.
In the embodiment of the present invention, ue can carry different slice id according to scene demand and send to base station.
And the slice id information that base station receiving terminal ue sends, close according to described slice id is corresponding with nf id
System, determines the nf id corresponding with the slice id information that described ue sends.
Here, to have ue permissible for home signature user server (hss, home subscriber server)
The slice id list accessing, hss is authenticated to the access of ue, when ue carries the slice not allowing to access
When id accesses network, the access request of ue will be rejected.Only when ue carries the slice id allowing to access
When accessing network, the access request ability of ue is accepted.Then, corresponding with nf id further according to slice id
Relation, determines the nf id corresponding with the slice id information that described ue sends.
Step 103: nf id determined by foundation, the data that ue is sent guides to corresponding network slice
Entrance.
In the embodiment of the present invention, nf id determined by foundation, determine the ip address of network slice entrance；Will
Described ip address sends to ip net, forwards the regular data forwarding sending ue extremely by described ip net foundation
Corresponding network slice entrance.
Fig. 2 is the network section management of slice and the schematic flow sheet of system of selection of the embodiment of the present invention two,
The management of network slice in this example and system of selection are applied to route exchange device, and here, management refers to
It is the new interpolation of network slice, the renewal of existing network slice and deletion.Selection refers to distinguish different fields
The data of scape, and the data of different scenes is guided to different network slice.
As shown in Fig. 2 described network is cut into slices, the management of slice and system of selection comprise the following steps:
Step 201: route exchange device receives and controls the slice id that orchestration module sends corresponding with nf id
Relation.
In the embodiment of the present invention, according to the corresponding relation of described slice id and nf id, add or delete,
Or updating the data forward table, described data forwarding table includes one or more slice id pass corresponding with nf id
System.
In the embodiment of the present invention, set up with ue when base station wireless heterogeneous networks rrc be connected or ue carry out attached
When or being selected by slice id, base station receives the slice id information that ue sends, and by upper described slice
Id Information encapsulation, enter in the data of ue, then sends data to route exchange device.
In the embodiment of the present invention, orchestration module processed be responsible for the interpolation of network slice that entrance (nf) is located,
Update and safeguard；The corresponding informance of slice id and nf id can be handed down to base station or route exchange device.
Wherein slice id refers to the mark of heterogeneous networks slice.User can be selected by selecting different slice id
Different scenes corresponding network slice.Nf id refer to slice entrance mark, can by URL (url,
Uniform resource locator) or ip address represent.Specific network slice can be reached according to nf id
Entrance.
Step 202: according to the corresponding relation of described slice id and nf id, the ue data that base station is sent
Route to corresponding network slice entrance.
Wherein, described ue data is packaged with slice id information, and described nf id is used for indicating network slice
Entrance.
In the embodiment of the present invention, the ue data that base station is sent parses, and obtains described ue data pair
The slice id information answered；According to described slice id information, search in the routing table and described slice id letter
Cease corresponding nf id, described routing table includes the corresponding relation of one or more slice id and nf id；Foundation
The nf id finding, by ue data is activation to corresponding network slice entrance.
In the embodiment of the present invention, according to the corresponding relation whom safeguards slice id to nf id by, can be divided into
Three kinds of working methods.The network slice selection mechanism that mode 1 is forwarded based on base station, mode 2 is based on ip
The network slice selection mechanism that route exchange device in net forwards, mode 3 is base stations network section pipe
The slice selection mechanism of reason.Illustrate three kinds of working methods in detail further below.
Fig. 3 be the embodiment of the present invention based on base station table look-up forwarding slice selection mechanism schematic diagram, such as scheme
Shown in 3,
(1) slice id is passed to base station by ue.
(2) forwarding of one slice id to nf id of base station maintenance selects table.Nf id points to corresponding slice
Entrance identifies.When base station continues the data of ue upon receipt, the slice id according to ue inquires about forward table,
Destination address is set to the ip address of inlet function, is then issued to ip net.
(3) ip routing network is according to original entrance forwarding rule can forward the data to specified slice.
(4) orchestration module is controlled to safeguard slice id and the corresponding relation of nf id.
(5) control orchestration module that the corresponding relation of slice id to nf id is handed down to access network control.
(6) corresponding relation of slice id to nf id is handed down to base station by access network control.Base station obtains
New data, updates the forward table of oneself.
Fig. 4 is the schematic diagram of the slice selection mechanism tabled look-up based on routing table in ip net of the embodiment of the present invention,
As shown in figure 4,
(1) slice id is passed to base station by ue.
(2) the slice id of ue is encapsulated in the follow-up data bag of this ue issuing ip net by base station.
(3) routing table of one slice id to the nf id of route maintenance in ip net.Nf id points to corresponding
Slice entrance mark.Route obtains table of query and routing after the data carrying slice id, is then forwarded
To corresponding slice entrance.
(4) orchestration module is controlled to safeguard slice id and the corresponding relation of nf id.
(5) control orchestration module that the corresponding relation of slice id to nf id is handed down to slice control.
(6) slice controls the route being handed down to the corresponding relation of slice id to nf id in ip net.Road
By obtaining latest data, update the routing table of oneself.
Fig. 8 is the schematic diagram of the slice selection mechanism of base stations network section management of the embodiment of the present invention,
As shown in figure 8, comprising the following steps:
(1) slice id is passed to base station by ue.
(2) nf id corresponding to the slice id of network section management inquiry ue for the base station.Network is cut into slices
The corresponding relation of management record slice id and nf id, network section management can be realized by dns, now
Slice id is a url.Base station maintenance ue and the forward table of nf id corresponding relation, base station is obtaining
After the nf id of ue, update forward table.
(3), after (4) base station continues the data that ue sends upon receipt, inquire about forward table, by data forwarding
To corresponding slice Web portal function.
(5) orchestration module is controlled to safeguard slice id and the corresponding relation of nf id.
(6) control orchestration module that the corresponding relation of slice id to nf id is handed down to network section management.
In the embodiment of the present invention, consider from network security, after ue signals base slice id, it is right to need
The slice id that ue uses carries out access authentication.Web portal function obtains slice id, verifies this to hss
Whether individual ue has permission the access corresponding network of slice id.The access authentication of network function entrance is presented herein below
Two ways:
Mode one: base station receives the slice id of ue transmission first, base station sends to network function entrance to be recognized
Card request, carries the slice id that the mark of ue selects with it in certification request.Then network function entrance
Certification request is sent to hss.The slice id list of hss inquiry record ue access, judges whether to permit
Permitted to access, and postbacked authentication response.Authentication response is sent to base station by network function entrance, completes to authenticate
Journey.
Mode two: extension attach mode (being only applicable to the transfer mode of second slice id), ue exists
Send slice id and attach and ask base station, base station preserves slice id after receiving, then by slice id and
Attach request send to network function entrance, network function entrance carry out first slice id certification and
Safety certification process in attach.Now just complete the certification of slice id.Then network function entrance
Continue follow-up attach process, finally send attach and complete to respond, inform ue through base station, complete attach
Process.
In the embodiment of the present invention, when there being new business to need deployment, control orchestration module can carry out slice interpolation.
Also the deletion of slice can be carried out during the revocation of certain business.
When slice adds: control orchestration module first to Element management system (ems, network element
Management system) send network slice interpolation instruction, contain the network slice for new interpolation in instruction
The nf id of the Web portal using.Ems adds the new network slice of configuration, and Configuration network entrance uses
Specified nf id.Add after completing to controlling orchestration module to send interpolation confirmation, complete network slice's
Adding procedure.(or add specified nf id in instruction in network slice, ems adds network slice,
And oneself configuration nf id, then add in confirmation in network slice and nf id is informed control layout mould
Block.)
When network slice deletes: control orchestration module to send network slice to ems first and delete instruction,
Ems deletes the network slice specifying the nf id disabling this network slice.Deletion completes to control backward volume
Row's module sends deletes confirmation, completes the deletion process of network slice.
During adding/delete network slice, information can pass through ems (as indicated above), also may be used
Directly information is issued Web portal by controlling orchestration module.
After the completion of network slice adds/deletes, control orchestration module that new corresponding relation is handed down to access network
Control/network slice controls, and is then forwarded to base station/ip net.Base station/ip net passback updates confirmation, control
Orchestration module processed completes renewal process after receiving renewal confirmation.
In the embodiment of the present invention, when network slice breaks down or deletes certain network slice,
Or when the corresponding relation of network slice id to the nf id that other reasons cause changes, control layout
Module is required for for fresh information being handed down to each network element: is handed down to base station by access network control or passes through
Network slice controls the route exchange device being handed down in ip net.
It is described below and change, in nf id, the embodiment that situation next one network slice updates.
Base station/ip net has the corresponding relation of network slice id and nf id, network slice idx before renewal
Corresponding nf id1.
The ems of network function entrance initiates entrance update event, and new nf id is informed control
Orchestration module；Orchestration module is controlled corresponding for network slice idx nf id1 to be changed to nf id2, concurrently
Send renewal confirmation.
Control orchestration module that new corresponding relation is handed down to access network control/network slice to control, by under it
Issue base station/ip net；Base station/ip net updates corresponding relation, is changed to by the corresponding nf id1 of network slice idx
Network slice idx corresponds to nf id2；Last base station/ip net is replied and is updated confirmation, completes information updating
Process.
After the completion of renewal, ue is sent to the data of base station/ip net, and to be forwarded to the nf id2 after renewal corresponding
Network function entrance.
In the embodiment of the present invention, network is set up for ue before carrying, and ue first has to adhere to network, selects section.
Embodiment that ue select network slice is described below.Ue selects network slice to have three kinds of modes.
The first is: when ue carries out rrc with base station and sets up, ue is by network slice id (network slice
Id can be the field of new definition in rrc) inform to base station.Base station preserves the network slice id of ue
Complete the selection course of network slice；Then base station sends rrc to ue and sets up confirmation, completes rrc
Foundation；The last attaching process completing ue between ue and base station and network function.In attaching process
Base station is chosen in corresponding network slice according to network slice selection function.
The second way is: carries out rrc connection establishment first between ue and base station；Ue and base station it
Between, the data of attachment is packaged in the packet of rrc.When ue is adhered to, ue is in rrc
Packet in by attach request information and network slice id information signals base；Base station is receiving ue's
Decapsulated after rrc packet, the network slice id information obtaining is preserved, just completes network slice
Acquisition process；Select corresponding Web portal function according to network slice id, base station will obtain attachment letter
Breath is transmitted to corresponding network inlet function and proceeds attaching process；Network function sends attachment to ue and confirms
Attaching process is completed after information.
The third mode is: adds proprietary slice id and selects flow process.Add new slice and select flow process.
Complete after rrc is connected in ue and base station, ue and base station start the selection flow process of proprietary slice id, by
Ue initiates to access the request of corresponding slice, and request is sent to Web portal function, Web portal function by base station
Access hss, check whether access is legal, if legal, Web portal function signals base allows to access,
Base station sends, to ue, the response that slice is successfully accessed after preserving corresponding information.The last attachment carrying out ue again.
In the embodiment of the present invention, the slice management carrying out slice selection using network section management entity is concrete
For wherein network section management can be realized by domain name system (dns, domain name system):
(1) interpolation of slice and deletion:
Control orchestration module to send slice to ems first and add instruction, contain in instruction for the new net adding
The nf id of the Web portal that network slice uses.Ems adds the new network slice of configuration, and Configuration network work(
Specified nf id can be used in entrance.Add to controlling orchestration module to send interpolation confirmation after completing, complete
Become the adding procedure of slice.(or add specified nf id in instruction in slice, ems adds network slice,
And oneself configuration nf id, then add in confirmation in slice and nf id is informed control orchestration module.)
(2) when slice deletes: control orchestration module to send slice to ems first and delete instruction, ems
Delete the network slice specifying the nf id disabling this section.Deletion sends to control orchestration module after completing
Delete confirmation, complete the deletion process of slice.
(3) during adding/delete slice, information can pass through ems, also can be by control layout mould
Information is directly issued network function entrance by block, without ems transfer.
(4), after the completion of slice adds/deletes, control orchestration module that new corresponding relation is handed down to network slice
Management.Network slice management passback update confirmation, control orchestration module receive renewal confirmation after complete
Become renewal process.
(5) renewal of slice: when the corresponding relation of slice id to nf id changes, control layout
Module needs for fresh information to be handed down to each network slice management.The ems of network function entrance first
Initiate entrance update event, and new nf id is informed control orchestration module；Control orchestration module by slice
Idx corresponding nf id1 is changed to nf id2, and sends renewal confirmation.Then control orchestration module
New corresponding relation is handed down to network slice management, network slice management is replied and updated confirmation, complete
Become information updating process.
Fig. 5 is the structure composition schematic diagram of the base station of the embodiment of the present invention, as shown in figure 5, described base station bag
Include:
Receiving unit 51, controls, for receiving, the section mark that orchestration module or network section management module send
Slice id identifies the corresponding relation of nf id with entrance；
Routing unit 52, for receiving the slice id information of ue transmission, according to described slice id and nf id
Corresponding relation, determine the corresponding nf id of slice id information with described ue transmission；
Transmitting element 53, for nf id determined by foundation, the data that ue is sent guides to corresponding
Network slice entrance.
Described receiving unit 51, is additionally operable to set up with ue that rrc is connected or ue is adhered to or led to when base station
When crossing slice id selection, receive the slice id information that ue sends；
Described base station also includes: memory element 54, for preserving the slice id information that described ue sends.
Described routing unit 52, is additionally operable to the corresponding relation according to described slice id and nf id, add,
Or delete or update the data forward table, described data forwarding table includes one or more slice id and nf id
Corresponding relation.
Described transmitting element 53, is additionally operable to nf id determined by foundation, determines the ip of network slice entrance
Address；Described ip address is sent to ip net, by described ip net according to the number forwarding rule to send ue
According to being forwarded to corresponding network slice entrance.
It will be appreciated by those skilled in the art that the function of realizing of above-mentioned each unit can refer to front network sliceslice
Management and the associated description of system of selection and understand.The function of above-mentioned each unit can be by running on processor
On program and realize, also can be realized by specific logic circuit.
Fig. 6 is the structure composition schematic diagram of the route exchange device of the embodiment of the present invention, as shown in fig. 6, institute
The equipment of stating includes:
Receiving unit 61, controls the section mark slice id that orchestration module sends to identify with entrance for receiving
The corresponding relation of nf id；
Routing unit 62, for the corresponding relation according to described lice id and nf id, base station is sent
Ue data routes to corresponding network slice entrance；
Wherein, described ue data is packaged with slice id information, and described nf id is used for indicating network slice
Entrance.
Described routing unit 62 includes:
Parsing subelement 621, the ue data for sending to base station parses, and obtains described ue data
Corresponding slice id information；
Search subelement 622, for according to described slice id information, searching and described slice in the routing table
Id information corresponding nf id, described routing table includes the corresponding relation of one or more slice id and nf id；
Send subelement 623, for according to the nf id finding, by ue data is activation to corresponding network
Slice entrance.
Described routing unit 62, is additionally operable to the corresponding relation according to described slice id and nf id, add,
Or delete or update the data forward table, described data forwarding table includes one or more slice id and nf id
Corresponding relation.
It will be appreciated by those skilled in the art that the function of realizing of above-mentioned each unit can refer to front network sliceslice
Management and the associated description of system of selection and understand.The function of above-mentioned each unit can be by running on processor
On program and realize, also can be realized by specific logic circuit.
Fig. 7 is the management of network slice of the embodiment of the present invention and the structure composition schematic diagram selecting system, such as
Shown in Fig. 7, described system includes above-mentioned arbitrary base station 71, route exchange device 72, ue73, control
Orchestration module 74, network slice75；Wherein,
Described ue73, for send slice id information to base station 71；
Described base station 71, controls, for receiving, the slice that orchestration module 74 or network section management module send
The corresponding relation of id and nf id；Receive ue73 send slice id information, according to described slice id with
The corresponding relation of nf id, determines the nf id corresponding with the slice id information that described ue73 sends；According to
According to determined by nf id, the data that ue73 is sent guides to corresponding network slice75 entrance；
Described route exchange device 72, for receiving the slice id and nf id controlling orchestration module 74 to send
Corresponding relation；According to the corresponding relation of described lice id and nf id, the ue73 that base station 71 is sent
Data routes to corresponding network slice75 entrance.
It will be appreciated by those skilled in the art that the function of realizing of above-mentioned each unit can refer to front network sliceslice
Management and the associated description of system of selection and understand.The function of above-mentioned each unit can be by running on processor
On program and realize, also can be realized by specific logic circuit.
The above, only presently preferred embodiments of the present invention, it is not intended to limit the protection model of the present invention
Enclose.
Claims (18)
1. a kind of management of network section slice and system of selection are it is characterised in that methods described includes:
Base station receives the section mark slice id controlling orchestration module or network section management module transmission and enters
The corresponding relation of mouth mark nf id；
The slice id information that receiving terminal ue sends, according to the corresponding relation of described slice id and nf id,
Determine the nf id corresponding with the slice id information that described ue sends；
Nf id determined by foundation, the data that ue is sent guides to corresponding network slice entrance.
2. the management of network slice according to claim 1 and system of selection are it is characterised in that institute
State and receive the slice id information that ue sends, comprising:
Set up with ue when base station that wireless heterogeneous networks rrc is connected or ue is adhered to or passed through slice id
When selecting message, receive the slice id information that ue sends；
Preserve the slice id information that described ue sends.
3. the management of network slice according to claim 1 and system of selection are it is characterised in that institute
State base station and receive the section mark slice id controlling orchestration module or network section management module transmission and entrance
After the corresponding relation of mark nf id, methods described also includes:
According to the corresponding relation of described slice id and nf id, add or delete or update the data forwarding
Table, described data forwarding table includes the corresponding relation of one or more slice id and nf id.
4. the management of network slice according to any one of claims 1 to 3 and system of selection, it is special
Levy and be, nf id determined by described foundation, the data that ue is sent guides to corresponding network slice
Entrance, comprising:
Nf id determined by foundation, determines the ip address of network slice inlet function；
Described ip address is sent to ip net, by described ip net according to the data forwarding rule to send ue
It is forwarded to corresponding network slice entrance.
5. the management of network slice according to claim 4 and system of selection are it is characterised in that institute
State network section to include serving the core net of one or more application scenarios or by core net and access network
The network constituting.
6. a kind of management of network section slice and system of selection are it is characterised in that methods described includes:
Route exchange device receives the corresponding relation of the slice id and nf id controlling orchestration module to send；
According to the corresponding relation of described slice id and nf id, the ue data that base station is sent routes to accordingly
Network slice entrance；
Wherein, described ue data is packaged with slice id information, and described nf id is used for indicating network slice
Entrance.
7. network according to claim 6 cut into slices the management of slice and system of selection it is characterised in that
The described corresponding relation according to described slice id and nf id, the ue data that base station is sent routes to accordingly
Network slice entrance, comprising:
The ue data that base station is sent parses, and obtains described ue data corresponding slice id information；
According to described slice id information, search nf id corresponding with described slice id information in the routing table,
Described routing table includes the corresponding relation of one or more slice id and nf id；
According to the nf id finding, by ue data is activation to corresponding network slice entrance.
8. the management of network section slice according to claim 6 or 7 and system of selection, its feature
It is, described route exchange device receives and controls the section that orchestration module sends to identify slice id and entrance mark
After knowing the corresponding relation of nf id, methods described also includes:
According to the corresponding relation of described slice id and nf id, add or delete or update the data forwarding
Table, described data forwarding table includes the corresponding relation of one or more slice id and nf id.
9. the management of network slice according to claim 8 and system of selection are it is characterised in that institute
State network section to include serving the core net of one or more application scenarios or by core net and access network
The network constituting.
10. a kind of base station is it is characterised in that described base station includes:
Receiving unit, controls, for receiving, the section mark that orchestration module or network section management module send
Slice id identifies the corresponding relation of nf id with entrance；
Routing unit, for receiving the slice id information of ue transmission, according to described slice id and nf id
Corresponding relation, determine the corresponding nf id of slice id information with described ue transmission；
Transmitting element, for nf id determined by foundation, the data that ue is sent guides to corresponding net
Network slice entrance.
11. base stations according to claim 10, it is characterised in that described receiving unit, are additionally operable to work as
Base station and ue set up rrc and are connected or when ue is adhered to or passed through slice id and select, and receive ue and send out
The slice id information sent；
Described base station also includes: memory element, for preserving the slice id information that described ue sends.
12. base stations according to claim 10, it is characterised in that described routing unit, are additionally operable to root
According to the corresponding relation of described slice id and nf id, add or delete or update the data forward table, institute
State the corresponding relation that data forwarding table includes one or more slice id and nf id.
13. base stations according to any one of claim 10 to 12 are it is characterised in that described transmission list
Unit, is additionally operable to nf id determined by foundation, determines the ip address of network slice entrance；By described ip ground
Location sends to ip net, by described ip net according to the data forwarding extremely corresponding net forwarding rule to send ue
Network slice entrance.
14. base stations according to claim 13 are it is characterised in that the section inclusion of described network is served
The core net of one or more application scenarios or the network being made up of core net and access network.
A kind of 15. route exchange devices are it is characterised in that described equipment includes:
Receiving unit, controls the section mark slice id that orchestration module sends to identify nf with entrance for receiving
The corresponding relation of id；
Routing unit, for the corresponding relation according to described slice id and nf id, the ue that base station is sent
Data routes to corresponding network slice entrance；
Wherein, described ue data is packaged with slice id information, and described nf id is used for indicating network slice
Entrance.
16. route exchange devices according to claim 15 are it is characterised in that described routing unit bag
Include:
Parsing subelement, the ue data for sending to base station parses, and obtains described ue data pair
The slice id information answered；
Search subelement, for according to described slice id information, searching and described slice id in the routing table
Information corresponding nf id, described routing table includes the corresponding relation of one or more slice id and nf id；
Send subelement, for according to the nf id finding, by ue data is activation to corresponding network slice
Entrance.
17. route exchange devices according to claim 15 or 16 are it is characterised in that described route
Unit, is additionally operable to the corresponding relation according to described slice id and nf id, adds or deletes or updates
Data forwarding table, described data forwarding table includes the corresponding relation of one or more slice id and nf id.
A kind of 18. management of network slice and selection system it is characterised in that described system include right will
Ask the base station described in 10 to 14 any one, the route exchange device described in 15 to 17 any one, ue, control
Orchestration module processed, network slice；Wherein,
Described ue, for send slice id information to base station；
Described base station, for receive control orchestration module or network to cut into slices slice id that management module sends with
The corresponding relation of nf id；Receive the slice id information that ue sends, according to described slice id and nf id
Corresponding relation, determine the corresponding nf id of slice id information with described ue transmission；Foundation is determined
Nf id, the data that ue is sent guides to corresponding network slice entrance；
Described route exchange device, for receiving the right of the slice id and nf id controlling orchestration module to send
Should be related to；According to the corresponding relation of described slice id and nf id, the ue data that base station is sent routes to
Corresponding network slice entrance.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510394790.0A CN106341832B (en) | 2015-07-07 | 2015-07-07 | Network slice management and selection method, system, base station and route switching equipment |
| PCT/CN2016/089138 WO2017005208A1 (en) | 2015-07-07 | 2016-07-07 | Network slice management and selection method, system, base station and router |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510394790.0A CN106341832B (en) | 2015-07-07 | 2015-07-07 | Network slice management and selection method, system, base station and route switching equipment |
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