CN106572517B - The processing method of network slice, the selection method and device for accessing network - Google Patents
The processing method of network slice, the selection method and device for accessing network Download PDFInfo
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- CN106572517B CN106572517B CN201510648749.1A CN201510648749A CN106572517B CN 106572517 B CN106572517 B CN 106572517B CN 201510648749 A CN201510648749 A CN 201510648749A CN 106572517 B CN106572517 B CN 106572517B
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- slice
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
Abstract
The present invention provides a kind of processing method of network slice, accesses the selection method and device of network, and the processing method that the network for terminal side is sliced includes: to obtain the slice mark of network slice, and the slice mark is for identifying a default network；The slice mark is sent to base station；The confirmation message for the access network that the determination default network that the base station is sent is the terminal is received, and accesses the default network.Network slice can be added flexibly, be deleted, changed in the embodiment of the present invention, can satisfy following diversified mobile network's demand；Terminal can not need the port for specifically going Configuration network to be sliced based on the flexible selection network service of network slice mark simultaneously；Further different network service function corresponds to different network slices, avoids influencing each other between various businesses, network stabilization is higher.
Description
Technical field
The present invention relates to wireless communication technology field, in particular to a kind of processing method of network slice accesses network
Selection method and device.
Background technique
Mobile network needs to meet more diversified business scenario, such as the big connection of low-power consumption, hot spot high capacity, continuously
The scenes such as wide area covers, low time delay is highly reliable.And mobile network is to serve various applied fields based on a set of logical architecture at present
Scape.Although mobility management entity MME has certain intelligent capability, can signing based on user and service identification carry out net
The selection of pass.Base station has can be based on the ability for the weight selection MME that MME is loaded.But this scheme is difficult to adapt to the following net
Multiple business scene (such as Internet of Things, highly dense, low latency etc.) in network, framework is single, not flexible, it is difficult to it is relatively low at
The diversified network demand of this adaptation；A kind of failure of network element may influence whether the operation of other business.
The selection of gateway (such as GGSN, PGW) can also be carried out in existing mobile network by access point APN, APN can make
A kind of management for service identification, but the network connection based on APN still has the net that can not construct service-oriented end to end
Network can not effectively be isolated network element device, business and APN granularity differentiation the problems such as can not refining flexible configuration.
To sum up, in the prior art the network architecture be single architecture, cannot on demand flexibly, quickly networking, it is more not to be able to satisfy 5G
The application demand of scene；And different types of network service shares a huge network, can not carry out the effective of Internet resources
It is isolated, may influences each other between different kinds of business.
Summary of the invention
The selection method and device of the processing method, access network that are sliced the purpose of the present invention is to provide a kind of network,
Solve single network framework in the prior art cannot on demand flexibly, may phase between quickly networking and different kinds of business
The problem of mutually influencing.
In order to achieve the above object, the embodiment of the present invention provides a kind of processing method of network slice, is used for terminal, packet
It includes:
The slice mark of network slice is obtained, the slice mark is for identifying a default network；
The slice mark is sent to base station；
The confirmation message for the access network that the determination default network that the base station is sent is the terminal is received, and is connect
Enter the default network.
Wherein, the step of slice mark for obtaining network slice includes:
Receive the slice mark for the network slice that network side issues.
Wherein, the step of slice mark for obtaining network slice includes:
Operational order corresponding with the operation of user is obtained, determines the slice mark of the network slice.
Wherein, the transmission slice mark includes: to the step of base station
Radio resource control RRC connection request message is sent to base station, includes the net in the RRC connection request message
The slice mark of network slice.
Wherein, the transmission slice mark includes: to the step of base station
Attach request, the slice mark comprising network slice in the attach request are sent to base station.
The embodiment of the present invention also provides a kind of selection method for accessing network, is used for base station, comprising:
The slice mark and Attach Request message of the network slice that terminal is sent are received, the slice mark is for identifying one
Default network；
It is identified according to the slice, determines mobile management entity MME corresponding with the slice mark；
The Attach Request message is forwarded to MME corresponding with the slice mark.
Wherein, described to be identified according to the slice, the step of determining mobile management entity MME corresponding with the slice mark
Suddenly include:
The corresponding relationship of preconfigured slice mark and MME, the determining and slice are inquired according to the slice mark
Identify corresponding MME.
Wherein, described to be identified according to the slice, the step of determining mobile management entity MME corresponding with the slice mark
Suddenly include:
It is identified according to the slice, framework full name domain name FQDN；
Based on the FQDN, MME corresponding with the slice mark is obtained by domain name system DNS inquiry and is identified, is determined
MME corresponding with the slice mark.
The embodiment of the present invention also provides a kind of selection method for accessing network, is used for mobility management entity MME, comprising:
The slice for receiving the Attach Request message sent by the terminal that base station forwards and network slice identifies, the slice
Mark is for identifying a default network；
According to the Attach Request message, certification request is sent to home signature user server HSS；
The slice identification list corresponding with the terminal that the HSS is returned is received, if depositing in the slice identification list
The slice mark of forwarding in the base station sends the access network for determining that the default network is the terminal to the terminal
Confirmation message；Wherein, the slice being sliced in the slice identification list comprising the network for allowing the user equipment to access identifies.
Wherein, the selection method of the access network further include:
It is identified according to the slice, determines gateway corresponding with network slice.
Wherein it is determined that after gateway corresponding with network slice, the selection method further include:
Creation session request, the slice mark comprising network slice in the creation session request are sent to the gateway
Know；
The creation conversational response that the gateway is sent is received, the creation conversational response is for identifying this creation session
No success.
The embodiment of the present invention also provides a kind of storage method of slice mark, is applied to home signature user server HSS,
It is characterised by comprising:
Increase by a preset field in the HSS, the preset field is for storing the net that each user can access
The list of the slice mark of network slice.
It wherein, also include the date corresponding with the slice mark in the list of the slice mark, the date is used for
The signing validity period of network slice is identified, the user equipment is allowed to access the network slice in validity period of contracting.
The embodiment of the present invention also provides a kind of processing unit of network slice, is used for terminal, comprising:
Module is obtained, for obtaining the slice mark of network slice, the slice mark is for identifying a default network；
Sending module, for sending the slice mark to base station；
AM access module is received, for receiving the access net that the determination default network that the base station is sent is the terminal
The confirmation message of network, and access the default network.
Wherein, the acquisition module includes:
First acquisition submodule, for receiving the slice mark for the network slice that network side issues.
Wherein, the acquisition module includes:
Second acquisition submodule determines the network slice for obtaining the corresponding operational order of operation with user
Slice mark.
Wherein, the sending module includes:
First sending submodule, for sending radio resource control RRC connection request message, the RRC connection to base station
Include the slice mark of network slice in request message.
Wherein, the sending module includes:
Second sending submodule is sliced in the attach request comprising the network for sending attach request to base station
Slice mark.
The embodiment of the present invention also provides a kind of selection device for accessing network, is used for base station, comprising:
First receiving module, it is described for receiving the slice mark and Attach Request message of the network slice of terminal transmission
Slice mark is for identifying a default network；
Determining module determines mobile management entity corresponding with the slice mark for identifying according to the slice
MME；
Forwarding module, for the Attach Request message to be forwarded to MME corresponding with the slice mark.
Wherein, the determining module includes:
First determines submodule, corresponding with MME for inquiring preconfigured slice mark according to slice mark
Relationship determines MME corresponding with the slice mark.
Wherein, the determining module includes:
Second determines submodule, for being identified according to the slice, framework full name domain name FQDN；
Third determines submodule, for being based on the FQDN, is obtained by domain name system DNS inquiry and is identified with the slice
Corresponding MME mark, determines MME corresponding with the slice mark.
The embodiment of the present invention also provides a kind of selection device for accessing network, is used for mobility management entity MME, comprising:
Second receiving module, what Attach Request message and network for receiving the terminal transmission forwarded by base station were sliced
Slice mark, the slice mark is for identifying a default network；
Authentication module, for sending certification to home signature user server HSS and asking according to the Attach Request message
It asks；
AM access module, the slice identification list corresponding with the terminal returned for receiving the HSS, if the slice
There are the slice mark of base station forwarding in identification list, is sent to the terminal and determine that the default network is the terminal
Access network confirmation message；Wherein, the network in the slice identification list comprising allowing the user equipment to access is cut
The slice of piece identifies.
Wherein, the selection device of the access network further include:
Gateway determining module determines gateway corresponding with network slice for identifying according to the slice.
Wherein, the selection device further include:
Request sending module includes institute in the creation session request for sending creation session request to the gateway
State the slice mark of network slice；
Receiving module is responded, the creation conversational response sent for receiving the gateway, the creation conversational response is used for
Identify whether this creation session succeeds.
The embodiment of the present invention also provides a kind of storage device of slice mark, is applied to home signature user server HSS,
Include:
Memory module, for increasing by a preset field in the HSS, the preset field is for storing each user
The list of the slice mark for the network slice that can be accessed.
It wherein, also include the date corresponding with the slice mark in the list of the slice mark, the date is used for
The signing validity period of network slice is identified, the user equipment is allowed to access the network slice in validity period of contracting.
Above-mentioned technical proposal of the invention at least has the following beneficial effects:
In the processing method of network slice provided in an embodiment of the present invention, the selection method for accessing network and device, according to
Network slice service type is directly a variety of different network slices of terminal processes, and terminal can be flexible based on network slice mark
Selection network service, the port for not needing specifically to go Configuration network to be sliced；And different network service functions is corresponding different
Network slice, avoid influencing each other between various businesses, improve network stabilization.
Detailed description of the invention
Fig. 1 shows the basic step flow charts of the processing method of network provided in an embodiment of the present invention slice；
Fig. 2 indicates the specific of the sending method that mark is sliced in the processing method of network provided in an embodiment of the present invention slice
Signaling diagram；
Fig. 3 indicates the composed structure schematic diagram of the processing unit of network slice provided in an embodiment of the present invention；
Fig. 4 indicates the basic step flow chart of the selection method of the access network of base station side provided in an embodiment of the present invention；
Fig. 5 indicates the composed structure schematic diagram of the selection device of the access network of base station side provided in an embodiment of the present invention；
Fig. 6 indicates the basic step flow chart of the selection method of the access network of the side MME provided in an embodiment of the present invention；
Fig. 7 indicates the composed structure schematic diagram of the selection device of the access network of the side MME provided in an embodiment of the present invention；
Fig. 8 shows the interaction signaling diagrams of a specific embodiment of the invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The present invention is directed to single network framework in the prior art cannot flexible on demand, quickly networking and different kinds of business
Between the problem of may influencing each other, a kind of processing method of network slice is provided, accesses the selection method and device of network,
Being sliced service type according to network is directly that terminal configures a variety of different network slices, and terminal can be based on network slice mark
Flexible selection network service, does not need the port for specifically going Configuration network to be sliced；And different network service functions is corresponding
Different network slices, avoids influencing each other between various businesses, improves network stabilization.
As shown in Figure 1, the embodiment of the present invention provides a kind of processing method of network slice, it to be used for terminal, comprising:
Step 11, the slice mark of network slice is obtained, the slice mark is for identifying a default network；Specifically
, default network refers generally to network of different service types, such as Internet of Things, internet, car networking etc., herein not one by one piece
It lifts.It is that network side is pre-set that it, which is sliced, for example, one network of setting is sliced corresponding Internet of Things, and its network slice is arranged
It is identified as w1, then its w1 is then used to identify the Internet of Things.It should be noted that above-mentioned specific slice mark is only one specific real
Example is applied, slice mark can generate at random, be not limited to a fixed form, be not specifically limited herein.
Step 12, the slice mark is sent to base station；So that the base station is described pre- according to slice mark determination
If network is the access network of the terminal.Wherein, which refers generally to the base station eNodB of evolution.Since slice mark can
A default network is identified, and the default network is the network that terminal currently wants access, therefore slice mark is sent to base station, then
Base station can determine that the access network of the terminal is above-mentioned default network according to the slice mark.
Step 13, the confirmation for receiving the access network that the determination default network that the base station is sent is the terminal disappears
Breath, and access the default network.After base station side carries out a series of authentication operations according to slice mark, confirmation is sent to terminal and is disappeared
Breath determines that the default network is the access network of the terminal.Then terminal receive can access after the confirmation message it is above-mentioned
Default network.
In the above embodiment of the present invention, terminal obtains one and thinks that the corresponding network of network of access is sliced with the terminal
Slice mark enables base station to be cut according to what terminal was sent to carry slice mark in the interactive process with base station
Piece identifies the access network for determining terminal, to facilitate the subsequent access of terminal.It can flexibly add, delete since network is sliced
It removes, change, then can satisfy following diversified mobile network's demand；Terminal can be obtained according to different application scenarios simultaneously
The slice mark for taking different networks to be sliced, avoids influencing each other between business, network stabilization is higher.
Further, the embodiment of the present invention mainly provides two kinds of methods for obtaining slice mark:
Method one: i.e. step 11 includes:
Step 111, the slice mark for the network slice that network side issues is received.Slice mark is being configured to terminal
When, slice mark can be configured to terminal by network side by open mobile device management OMA DM mode.For example, terminal needs
Internet is accessed, generally can send a request to network side by terminal, network side is corresponding with internet according to the request lookup
The slice mark of network slice, and slice mark is sent to by corresponding terminal by a control command, realize slice mark
Configuration.
Method two: i.e. step 11 includes:
Step 112, operational order corresponding with the operation of user is obtained, determines the slice mark of the network slice.I.e.
User can directly increase at the terminal, modify, deleting the operation of slice mark, such as user wants terminal accessing Internet of Things
Net, user identify in the slice of the corresponding network slice of terminal side input Internet of Things, and terminal saves the slice and identifies and carry this
Slice mark initiates network insertion process.Further, in order to which the slice mark to terminal side is managed collectively, the present invention is real
It applies in example usually by way of over the air OTA, i.e., terminal is cut to realize by the air interface of mobile communication
The long-range management of piece mark.It should be noted that a terminal can be identified configured with multiple slices, i.e., terminal can access difference
Network need to obtain slice mark when terminal need to access the network that history does not access, and the network for once accessing,
Can slice mark directly be extracted from terminal local；And when user does not access a network for a long time, user can voluntarily delete and be somebody's turn to do
The corresponding slice mark of network, can also be realized by setting timing aging device, be not specifically limited herein.
The two kinds provided in an embodiment of the present invention methods for obtaining slice mark are only presently preferred embodiments of the present invention, other
Slice mark acquisition methods be also applied for the application, herein it is different one citing.
Further, two kinds are mainly provided in the above embodiment of the present invention sends slice mark to the method for base station, tool
Body, method one: i.e. step 12 includes:
Step 121, radio resource control RRC connection request message is sent to base station, is wrapped in the RRC connection request message
The slice mark of the slice containing the network.Specifically, this method will be first is that establishing in RRC connection procedure in terminal and base station will be sliced
Mark is sent to base station.Slice mark is carried in RRC connection request message as shown in Figure 2, specifically, in RRC connection request
Slice mark is carried in RRC parameter in message, so that slice mark is transmitted to base station.The slice mark of base station preservation terminal
Know, and base station sends RRC to terminal and establishes confirmation message, completes RRC connection.
Method two: i.e. step 12 includes:
Step 122, attach request, the slice mark comprising network slice in the attach request are sent to base station.
Wherein, this method carries the slice of network slice second is that when terminal initiates attach request to base station in attach request
Mark.Wherein, attach request generally comprises the information such as Attach Request message and RRC parameter, wherein includes slice in RRC parameter
Mark.I.e. slice mark comprising in the RRC parameter of the attach request.
It should be noted that terminal carries slice mark in RRC connection procedure in RRC parameter in the embodiment of the present invention
Know, is transmitted to base station；Or terminal carries slice mark in the RRC parameter of attach request information, is transmitted to base station.
In order to more preferably realize above-mentioned purpose, as shown in figure 3, the embodiment of the present invention also provides a kind of processing dress of network slice
It sets, is used for terminal, comprising:
Module 31 is obtained, for obtaining the slice mark of network slice, the slice mark is for identifying a default net
Network；
Sending module 32, for sending the slice mark to base station；
AM access module 33 is received, for receiving the access that the determination default network that the base station is sent is the terminal
The confirmation message of network, and access the default network.
Specifically, acquisition module 31 described in the above embodiment of the present invention includes:
First acquisition submodule, for receiving the slice mark for the network slice that network side issues.
Specifically, acquisition module 31 described in the above embodiment of the present invention includes:
Second acquisition submodule determines the network slice for obtaining the corresponding operational order of operation with user
Slice mark.
Specifically, sending module 32 described in the above embodiment of the present invention includes:
First sending submodule, for sending radio resource control RRC connection request message, the RRC connection to base station
Include the slice mark of network slice in request message.
Specifically, sending module 32 described in the above embodiment of the present invention includes:
Second sending submodule is sliced in the attach request comprising the network for sending attach request to base station
Slice mark.
It should be noted that the processing unit of network slice provided in an embodiment of the present invention is sliced using above-mentioned network
The processing unit of processing method, then all embodiments of the processing method of above-mentioned network slice are suitable for the processing unit, and
The same or similar beneficial effect can be reached.
Based on the processing method of above-mentioned network slice, as shown in figure 4, the embodiment of the present invention also provides a kind of access network
Selection method is used for base station, comprising:
Step 41, the slice mark and Attach Request message of the network slice that terminal is sent are received, the slice mark is used
Network is preset in mark one；Specifically, its Attach Request message and RRC parameter collectively form the attach request of terminal transmission, and
It is sliced mark and is stored in the RRC parameter.It is sliced mark and refers generally to difference for identifying a default network, default network
The network of service type, such as Internet of Things, internet, super networking etc., are not enumerated one by one herein.It is that network side is preparatory that it, which is sliced,
It is arranged, for example, one network of setting is sliced corresponding Internet of Things, and be arranged its network slice is identified as w1, then its w1 is then used for
Identify the Internet of Things.It should be noted that above-mentioned specific slice mark is only a specific embodiment, slice mark can be random
It generates, is not limited to a fixed form, is not specifically limited herein.
Step 42, it is identified according to the slice, determines mobile management entity MME corresponding with the slice mark；Due to
It is that terminal is configured with a variety of different networks slices, and different networks is cut that the embodiment of the present invention, which is sliced service type according to network,
Piece corresponds to different network types, then different network types should correspond to different MME；I.e. the present invention implements the network rack provided
Include a pond MME in structure, include multiple MME in the pond MME, base station is corresponding with slice mark according to slice mark selection
MME, to carry out subsequent network access.
Step 43, the Attach Request message is forwarded to MME corresponding with the slice mark；Passed through by the MME
Access the authentication that home signature user server HSS completes terminal so that the terminal access network slice to
So that the terminal accesses the default network.Specifically, after Attach Request message is forwarded to MME by base station, MME palpus and HSS
The interactive authentication to complete terminal, that is, judge whether terminal is legal, and whether the terminal is allowed to access network slice
Corresponding network.If such as the terminal be allowed to access the network slice, base station go out issue a triggering information so that terminal connects
Enter the default network, completes the access process of network.
The embodiment of the present invention also provides a kind of storage device of slice mark, is applied to home signature user server HSS,
Include:
Memory module, for increasing by a preset field in the HSS, the preset field is for storing each user
The list for the slice mark that can be accessed.
It should be noted that increasing " network slice signing information " field on its HSS newly, network slice signing information is
The list for all slices mark that one user can access.I.e. the user is only permitted the slice accessed in the list mark pair
The network slice answered.And each slice mark is optionally associated with a date, shows user for the label of this slice service
About validity period.If not associated date, show that signing is indefinite.That is HSS stores the list of user slices mark, saves and uses
The signing information at family and signing validity period.Terminal is determined whether by the signing information that MME accesses HSS in attachment flow
It accesses network slice and obtains network service.
In the above embodiment of the present invention, based on terminal send network slice slice be identified as terminal selection MME and
Network is accessed, the port for specifically going Configuration network to be sliced is not needed, improves the rate of network insertion；And it is stored by HSS
User slices mark list carry out authentication, ensure that the legitimacy of user, improve the safety of network insertion.
Further, the method for two kinds of determining MME is mainly provided in the above embodiment of the present invention, specifically, method one:
I.e. step 42 includes:
Step 421, it according to the mapping table of the slice mark inquiry preconfigured slice mark and MME, determines
MME corresponding with the slice mark.MME is chosen according to the slice mark carried in RRC parameter in base station, can be pre- by OAM
The first corresponding relationship of configuration slice mark and MME.Forwarding between one slice mark and MME is recorded by base station and selects table, this
Table has recorded slice and identifies corresponding MME group mark MMEGI list or MME ID list.Base station is in the slice mark for receiving terminal
When knowledge, above-mentioned forwarding is inquired according to slice mark and selects table, selects corresponding MME.
Method two, i.e. step 42 include:
Step 422, it is identified according to the slice, framework full name domain name FQDN；
Step 423, it is based on the FQDN, MME corresponding with the slice mark is obtained by domain name system DNS inquiry and is marked
Know, determines MME corresponding with the slice mark.Specifically, base station can also select MME by DNS query.Base station obtains and cuts
Piece constructs FQDN when identifying, then by DNS query obtain MME group corresponding with mark is sliced identify or MME ID list or
MME weighted value, base station select MME according to MME selection mechanism (Ts 23.401).
In order to preferably realize above-mentioned purpose, as shown in figure 5, the embodiment of the present invention also provides a kind of selection for accessing network
Device is used for base station, comprising:
First receiving module 51, for receiving the slice mark and Attach Request message of the network slice of terminal transmission, institute
Slice mark is stated for identifying a default network；
Determining module 52 determines mobile management entity corresponding with the slice mark for identifying according to the slice
MME；
Forwarding module 53, for the Attach Request message to be forwarded to MME corresponding with the slice mark.
Specifically, in the above embodiment of the present invention, the determining module 52 includes:
First determines submodule, corresponding with MME for inquiring preconfigured slice mark according to slice mark
Relation table determines MME corresponding with the slice mark.
Specifically, in the above embodiment of the present invention, the determining module 52 includes:
Second determines submodule, for being identified according to the slice, framework full name domain name FQDN；
Third determines submodule, for being based on the FQDN, is obtained by domain name system DNS inquiry and is identified with the slice
Corresponding MME mark, determines MME corresponding with the slice mark.
It should be noted that the selection device of access network provided in an embodiment of the present invention is the choosing using above-mentioned access network
The selection device of selection method, then all embodiments of the selection method of above-mentioned access network are suitable for the selection device, and
The same or similar beneficial effect can be reached.
Further, the processing method based on above-mentioned network slice, as shown in fig. 6, the embodiment of the present invention also provides one kind
The selection method of network is accessed, mobility management entity MME is used for, comprising:
Step 61, the slice for receiving the Attach Request message sent by the terminal that base station forwards and network slice identifies,
The slice mark is for identifying a default network；It is sliced mark and is stored in RRC parameter, RRC parameter and the attachment
Request message constitutes the attach request of terminal transmission.It is sliced mark and refers generally to for identifying a default network, default network
The network of different service types, such as Internet of Things, internet, super networking etc., are not enumerated one by one herein.It is network side that it, which is sliced,
Pre-set, for example, one network of setting is sliced corresponding Internet of Things, and be arranged its network slice is identified as w1, then its w1 is then
For identifying the Internet of Things.It should be noted that above-mentioned specific slice mark is only a specific embodiment, slice mark can
It is random to generate, it is not limited to a fixed form, is not specifically limited herein.
Step 62, according to the Attach Request message, certification request is sent to home signature user server HSS；That is MME
After the Attach Request message for receiving base station forwarding, MME completes the authentication of terminal by access HSS, that is, whether judges terminal
It is legal, and whether the terminal is allowed to access the network and is sliced corresponding network.If such as the terminal is allowed to access the network
Slice, then base station goes out to issue a triggering information, so that terminal accesses the default network, completes the access process of network.
It should be noted that increasing " network slice signing information " field on its HSS newly, network slice signing information is
The list for all slices mark that one user can access.I.e. the user is only permitted the slice accessed in the list mark pair
The network slice answered.
And also include the date corresponding with the slice mark in the slice identification list, the date is for identifying this
The signing validity period of network slice, the user equipment is allowed to access network slice in validity period of contracting.Specifically, every
One slice mark is optionally associated with a date, shows user for the signing validity period of this slice service.If be not related to
Join the date, shows that signing is indefinite.That is HSS stores the list of user slices mark, saves the signing information and label of user
About validity period.Determine whether that terminal access network slice obtains by the signing information that MME accesses HSS in attachment flow
Network service.
Step 63, the slice identification list corresponding with the terminal that the HSS is returned is received, if the slice identity column
There are the slice mark of base station forwarding in table, the access for determining that the default network is the terminal is sent to the terminal
The confirmation message of network；Wherein, what the network in the slice identification list comprising allowing the user equipment to access was sliced cuts
Piece mark.Specifically, if identifying the terminal there are the slice mark of base station forwarding in the slice identification list and being permitted
Perhaps it accesses the slice and identifies corresponding network slice, then terminal voluntarily accesses the network slice, connects to complete the terminal
Enter the process of the default network.
In the above embodiment of the present invention, authentication is carried out by the list of the user slices mark of HSS storage, is guaranteed
The legitimacy of user, improves the safety of network insertion；Simultaneously because network slice can be added flexibly, be deleted, more
Change, can satisfy following diversified mobile network's demand；And different network service functions corresponds to different network slices, keeps away
Influencing each other between various businesses is exempted from, network stabilization is higher.
In specific embodiments of the present invention, in order to smoothly access default network, selection gateway, i.e., the described access network are also needed
Selection method further include:
Step 64, it is identified according to the slice, determines gateway corresponding with network slice.Enable the terminal
Utilize default network described in the gateway access；Wherein, the gateway generally comprises gateway SGW, packet data network gateway
PGW.The type of its gateway can be determined according to the concrete function that slice identifies corresponding default network.That is MME can be according to cutting
Piece mark inquiry DNS, selects suitable SGW and PGW for network slice.
Further, after determining gateway corresponding with network slice, MME can initiate creation meeting to corresponding gateway
Words request is to carry out network communication, due to the corresponding different network of slice mark different in the embodiment of the present invention, then charging
Principle may be different, therefore are directed to charging principle or the different network of algorithm, and selection method provided in an embodiment of the present invention is also
Include:
Step 65, creation session request is sent to the gateway, is sliced in the creation session request comprising the network
Slice mark.Strategy is identified with charging regulation unit PCRF according to the slice and carries out charging selection；Specifically,
It creates in session request, slice mark can be sent to SGW/PGW, such as the relevant application of charging by MME, if different slice marks
Know corresponding slice service to need using different charging principles, then need to carry slice mark in creation session request,
Charging selection is carried out for PCRF；If the corresponding slice service of different Slice-ID follows a set of charging principle, according to existing
Principle in technology sends creation session request, i.e., without carrying slice mark in the creation session request.
Step 66, the creation conversational response that the gateway is sent is received, the creation conversational response is for identifying this wound
Build whether session succeeds.Based on general communication process, gateway creates session success or failure can all send a creation meeting to MME
Words response, MME carry out subsequent action according to the creation conversational response.For example, creation conversational response show this creation session at
Function, then terminal can continue access preset network, carry out predetermined registration operation；If creation conversational response shows this creation conversation failure,
Then MME may be selected to retransmit request or notice terminal selects other network insertions, be not specifically limited herein.
Subsequent operation of the embodiment of the present invention to default network is accessed, for example, the step of selection gateway and creation session into
Row is specific to be limited, and embodies the feasibility of this programme, and network service function different in more prominent the application is corresponding different
Network slice, avoid influencing each other between various businesses, network stabilization is higher.
In order to preferably realize above-mentioned purpose, as shown in fig. 7, the embodiment of the present invention also provides a kind of selection for accessing network
Device is used for mobility management entity MME, comprising:
Second receiving module 71, for receiving the Attach Request message and network slice that are sent by a terminal of base station forwarding
Slice mark, slice mark is for one default network of mark；
Authentication module 72, for sending certification to home signature user server HSS and asking according to the Attach Request message
It asks；
AM access module 73, the slice identification list corresponding with the terminal returned for receiving the HSS, if described cut
There are the slice mark of base station forwarding in piece identification list, is sent to the terminal and determine that the default network is the end
The confirmation message of the access network at end；Wherein, the network in the slice identification list comprising allowing the user equipment to access
The slice of slice identifies.
Specifically, accessing the selection device of network described in the above embodiment of the present invention further include:
Gateway determining module determines gateway corresponding with network slice, so that institute for identifying according to the slice
Stating terminal can be using default network described in the gateway access.
Specifically, selection device described in the above embodiment of the present invention further include:
Request sending module includes institute in the creation session request for sending creation session request to the gateway
The slice mark for stating network slice, enables strategy to be identified with charging regulation unit PCRF according to the slice and carries out charging choosing
It selects；
Receiving module is responded, the creation conversational response sent for receiving the gateway, the creation conversational response is used for
Identify whether this creation session succeeds.
It should be noted that the selection device of access network provided in an embodiment of the present invention is the choosing using above-mentioned access network
The selection device of selection method, then all embodiments of the selection method of above-mentioned access network are suitable for the selection device, and
The same or similar beneficial effect can be reached.
Correspondingly, the embodiment of the present invention also provides a kind of storage device of slice mark, it is applied to home signature user and takes
Be engaged in device HSS, comprising:
Memory module, for increasing by a preset field in the HSS, the preset field is for storing each user
The list for the slice mark that can be accessed.
Specifically, also comprising corresponding with the slice mark in slice identification list described in the above embodiment of the present invention
Date, the date be used for identify the network slice signing validity period, contract validity period in the user equipment be allowed to
Access the network slice.
To sum up, service selection pair is sliced in order to preferably describe provided in an embodiment of the present invention be identified as by network slice
The method of base station, MME and the gateway answered is described specific steps of the invention below with reference to Fig. 8:
Step 801, in attachment flow, slice mark is sent to base station by terminal；Terminal, which initiates attachment to eNodeB, asks
It asks, includes the information such as Attach Request message and RRC parameter.It wherein, include slice mark in RRC parameter.
Slice mark is sent to base station in addition it is also possible to establish in RRC connection procedure in terminal and base station.Such as Fig. 2 institute
Show and carry slice mark in RRC request message, slice mark is transmitted to base station.Base station saves the slice mark of terminal, base station
RRC is sent to terminal and establishes confirmation message, completes RRC connection.
Step 802, base station identifies selection MME according to slice, and Attach Request message is transmitted to MME.
Step 803, MME and HSS completes the method that user accesses slice；HSS safeguards the slice that a terminal can access
Identification list, MME complete the authentication of UE by access HSS.After MME sends request to HSS, HSS feeds back to MME user's label
The slice that UE is carried is identified and is compareed with the HSS list fed back by slice identification information about, MME, completes access network slice
Certification.
Step 804, MME is based on Slice-ID and selects gateway approach；MME can inquire DNS according to Slice-ID, cut for network
Piece selects suitable SGW and PGW.And in the creation session request sent to SGW or PGW, slice mark can be sent to by MME
SGW/PGW, such as the relevant application of charging, if the different corresponding slice services of slice mark is needed using different charging originals
Then, then it needs to carry slice mark in creation session request, carries out charging selection for PCRF；It is corresponded to if different slices identifies
Slice service follow a set of charging principle, then creation session request in without carry slice mark.
Step 805, SGW or PGW returns to creation conversational response to MME, informs whether this session of MME is successfully established.
Being sliced service type according to network in the above embodiment of the present invention is directly that terminal configures a variety of different networks
Slice；And network slice can be added flexibly, be deleted, changed, and can satisfy following diversified mobile network's demand；Simultaneously
Terminal can not need the port for specifically going Configuration network to be sliced based on the flexible selection network service of network slice mark；
Further different network service function corresponds to different network slices, avoids influencing each other between various businesses, net
Network stability is higher.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these
Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices
Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices
In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart
And/or in one or more blocks of the block diagram specify function the step of.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (12)
1. a kind of processing method of network slice, is used for terminal characterized by comprising
The slice mark of network slice is obtained, the slice mark is for identifying a default network；
The slice mark is sent to base station；
The confirmation message for the access network that the determination default network that the base station is sent is the terminal is received, and accesses institute
State default network；Wherein,
It is described obtain a network slice slice mark the step of include:
Receive the slice mark for the network slice that network side issues；Refer to alternatively, obtaining operation corresponding with the operation of user
It enables, determines the slice mark of the network slice；
Wherein, the transmission slice mark includes: to the step of base station
Radio resource control RRC connection request message is sent to base station, is cut in the RRC connection request message comprising the network
The slice of piece identifies；Alternatively,
Attach request, the slice mark comprising network slice in the attach request are sent to base station.
2. a kind of selection method for accessing network, is used for base station characterized by comprising
The slice mark and Attach Request message of the network slice that terminal is sent are received, the slice mark is default for identifying one
Network；
It is identified according to the slice, determines mobile management entity MME corresponding with the slice mark；
The Attach Request message is forwarded to MME corresponding with the slice mark；
Wherein, described to be identified according to the slice, determining the step of identifying corresponding mobile management entity MME with the slice, wraps
It includes:
It is determining to be identified with the slice according to the corresponding relationship of the slice mark inquiry preconfigured slice mark and MME
Corresponding MME；
Alternatively,
It is identified according to the slice, framework full name domain name FQDN；Based on the FQDN, by domain name system DNS inquiry obtain with
The slice identifies corresponding MME mark, determines MME corresponding with the slice mark.
3. a kind of selection method for accessing network, is used for mobility management entity MME characterized by comprising
The slice for receiving the Attach Request message sent by the terminal that base station forwards and network slice identifies, the slice mark
For identifying a default network；
According to the Attach Request message, certification request is sent to home signature user server HSS；
The slice identification list corresponding with the terminal that the HSS is returned is received, if there are institutes in the slice identification list
The slice mark for stating base station forwarding sends the confirmation for the access network for determining that the default network is the terminal to the terminal
Message；Wherein, the slice being sliced in the slice identification list comprising the network for allowing the user equipment to access identifies.
4. the selection method of access network according to claim 3, which is characterized in that the selection method of the access network
Further include:
It is identified according to the slice, determines gateway corresponding with network slice.
5. the selection method of access network according to claim 4, which is characterized in that determination is corresponding with network slice
Gateway after, the selection method further include:
Creation session request, the slice mark comprising network slice in the creation session request are sent to the gateway；
Receive the creation conversational response that the gateway is sent, the creation conversational response for identify this create session whether at
Function.
6. a kind of storage method of slice mark, is applied to home signature user server HSS characterized by comprising
Increase by a preset field in the HSS, the preset field is used to store each user the network that can be accessed and cuts
The list of the slice mark of piece；
It wherein, also include the date corresponding with the slice mark in the list of the slice mark, the date is for identifying
The signing validity period of network slice, the user equipment is allowed to access network slice in validity period of contracting.
7. a kind of processing unit of network slice, is used for terminal characterized by comprising
Module is obtained, for obtaining the slice mark of network slice, the slice mark is for identifying a default network；
Sending module, for sending the slice mark to base station；
AM access module is received, for receiving the access network that the determination default network that the base station is sent is the terminal
Confirmation message, and access the default network；
Wherein, the acquisition module includes:
First acquisition submodule, for receiving the slice mark for the network slice that network side issues；
And/or second acquisition submodule determines the network slice for obtaining the corresponding operational order of operation with user
Slice mark；
Wherein, the sending module includes:
First sending submodule, for sending radio resource control RRC connection request message, the RRC connection request to base station
Include the slice mark of network slice in message；
And/or second sending submodule is cut in the attach request comprising the network for sending attach request to base station
The slice of piece identifies.
8. a kind of selection device for accessing network, is used for base station characterized by comprising
First receiving module, for receiving the slice mark and Attach Request message of the network slice of terminal transmission, the slice
Mark is for identifying a default network；
Determining module determines mobile management entity MME corresponding with the slice mark for identifying according to the slice；
Forwarding module, for the Attach Request message to be forwarded to MME corresponding with the slice mark；
Wherein, the determining module includes:
First determines submodule, for inquiring the corresponding relationship of preconfigured slice mark and MME according to the slice mark,
Determine MME corresponding with the slice mark；
Alternatively, the determining module includes:
Second determines submodule, for being identified according to the slice, framework full name domain name FQDN；
Third determines submodule, for being based on the FQDN, is obtained by domain name system DNS inquiry corresponding with the slice mark
MME mark, determine MME corresponding with the slice mark.
9. a kind of selection device for accessing network, is used for mobility management entity MME characterized by comprising
Second receiving module, for receiving the slice of the Attach Request message and network slice that are sent by a terminal of base station forwarding
Mark, the slice mark is for identifying a default network；
Authentication module, for sending certification request to home signature user server HSS according to the Attach Request message；
AM access module, the slice identification list corresponding with the terminal returned for receiving the HSS, if the slice identifies
There are the slice mark of base station forwarding in list, is sent to the terminal and determine that the default network is connecing for the terminal
Enter the confirmation message of network；Wherein, the network in the slice identification list comprising allowing the user equipment to access is sliced
Slice mark.
10. the selection device of access network according to claim 9, which is characterized in that the selection dress of the access network
It sets further include:
Gateway determining module determines gateway corresponding with network slice for identifying according to the slice.
11. the selection device of access network according to claim 10, which is characterized in that the selection device further include:
Request sending module includes the net in the creation session request for sending creation session request to the gateway
The slice mark of network slice；
Receiving module is responded, the creation conversational response sent for receiving the gateway, the creation conversational response is for identifying
Whether this creation session succeeds.
12. a kind of storage device of slice mark, is applied to home signature user server HSS characterized by comprising
Memory module, for increasing by a preset field in the HSS, the preset field can be with for storing each user
The list of the slice mark of the network slice of access；
It wherein, also include the date corresponding with the slice mark in the list of the slice mark, the date is for identifying
The signing validity period of network slice, the user equipment is allowed to access network slice in validity period of contracting.
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