CN108810993A - Network is sliced selection method, equipment, UE, control plane functional entity and medium - Google Patents
Network is sliced selection method, equipment, UE, control plane functional entity and medium Download PDFInfo
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- CN108810993A CN108810993A CN201810393501.9A CN201810393501A CN108810993A CN 108810993 A CN108810993 A CN 108810993A CN 201810393501 A CN201810393501 A CN 201810393501A CN 108810993 A CN108810993 A CN 108810993A
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- network
- control plane
- attach request
- network slice
- slice
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0893—Assignment of logical groups to network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
Abstract
The invention discloses a kind of networks to be sliced selection method, including the user equipment (UE) sends attach request to control plane functional entity；Wherein, the attach request includes UE usage types, service type and UE abilities；Wherein, the UE usage types are used to distinguish the type of UE；The user equipment (UE) receives attachment response；Wherein, the attachment response is the request failure that the control plane functional entity is fed back according to the attach request or the target network slice type selected at least one network slice that the control plane functional entity is configured according to the attach request from the network side and identity；The user equipment (UE) responds according to the attachment and carries out network attachment operation；Realize the network slice selection realized in 5G networks in terminal access procedure.
Description
Technical field
The present invention relates to network slice selection technique field more particularly to a kind of network slice selection method, equipment, UE,
Control plane functional entity and medium.
Background technology
By lasting evolution, mobile communication system gradually meets the interpersonal primary demand for exchanging information, and
Nowadays simple high data transmission rate has no longer been sole requirement of the people to mobile communication.It is also desirable that mobile communication
Popularity and interconnectivity be extended to article at one's side, finally person to person, people and object, object and object are completely connected, and it is more
The network of a bigger is collectively formed in kind terminal.ITU has planned the mobile bandwidth of 5G is covered 3 big application scenarios, enhancing, magnanimity
Machine type communication and the communication of highly reliable low time delay.Requirement of the different business scenarios to network key capacity index is different
, such as the net cast of stadiums needs large capacity；Vehicle interconnection needs low time delay；Remote operation requires real-time high band
It is wide.Obviously, it is unreasonable to dispose a communication system to meet all indexs, this was both technically unrealistic, also in cost
It is uneconomical.
For the diversity business of future network, ITU is using resource virtualizing as a design object.It is recommended that future network
It supports with the relevant resource virtualizing of network to support division of resources, and ensures that multiple virtual resources can share single money simultaneously
Source.And propose multiple virtual networks and can simultaneously and deposit so that different virtual networks can be in the case where not interfereing with each other using not
Same network technology, to realize the Optimum utilization of physical resource.For this purpose, the difference of people as expected ability and index,
Different usage scenarios is splitted the network into, and by the network split of traditional clean cut at the different usage scenarios of multiple services
Logical network.Each logical network therein is known as a network slice.Network slice is one group and is configured with specific wireless
With the set of the network function of transmission configuration, as expected to these network functions, it is carried out flexibly usage scenario for operator
Combination, finally forms multiple virtual networks end to end being logically isolated on same set of physical equipment.
In existing LTE network, the relationship of logic function and physical entity close-coupled a, physical entity is only used for reality
A kind of existing logic function can not dispose multiple network slices on same physical entity.As it can be seen that there is spirit in the existing network architecture
Active insufficient problem.
How to realize that the network slice selection in terminal access procedure is problem to be solved in 5G networks.
Invention content
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of networks to be sliced selection method, it can be real in 5G networks
Network slice selection in existing terminal access procedure.
In a first aspect, the present invention provides a kind of networks to be sliced selection method, the method is used for user equipment (UE), packet
It includes：
The user equipment (UE) sends attach request to control plane functional entity；Wherein, the attach request, which includes UE, makes
With type, service type and UE abilities；Wherein, the UE usage types are used to distinguish the type of UE；Wherein, the service type
The business information provided including being used to indicate network slice；The UE abilities are for allowing described in the control plane functional entity determination
The ability that UE is supported；
The user equipment (UE) receives attachment response；Wherein, attachment response be the control plane functional entity according to
The request failure of the attach request feedback or the control plane functional entity are calculated according to the attach request and slice scheduling
The target network slice type selected at least one network slice that method is configured from the network side and identity；
The user equipment (UE) responds according to the attachment and carries out network attachment operation；Wherein, the network attachment operation
It is included in when receiving request failure, keeps the connection with current network and receiving the target network slice and institute
When stating identity, is directly established and connected with the public control plane of network slice according to the routing iinformation in the identity
It connects.
In the first realization method of first aspect, the user equipment (UE) to network side send attach request it
Afterwards, before the user equipment (UE) receives attachment response, further include：
The network of one default of the user equipment UE access is sliced.
In second of realization method of first aspect, the identity includes the specific of public control plane mark and UE
Identity；Wherein, the public control plane mark includes the routing iinformation of public control plane；Wherein, the specific body of the UE
Part is identified as the user equipment (UE) mark that unique identification accesses the public control plane.
Second aspect, an embodiment of the present invention provides a kind of networks to be sliced selection method, and the method is used for control plane work(
Energy entity, including：
The control plane functional entity receives the attach request that user equipment (UE) is sent；Wherein, the attach request includes
UE usage types, service type and UE abilities；Wherein, the UE usage types are used to distinguish the type of UE；Wherein, the service
Type includes the business information for being used to indicate network slice and providing；The UE abilities are for allowing the control plane functional entity to determine
The ability that the UE is supported；
The control plane functional entity feeds back attachment response according to the attach request, so that the user equipment (UE) root
It is responded according to the attachment and carries out network attachment operation；Wherein, the attachment response includes request failure or the control plane function
It is selected at least one network slice that entity is configured according to the attach request and slice scheduling algorithm from the network side
Target network slice type and identity；Wherein, network attachment operation is included in when receiving the request unsuccessfully,
Holding is with the connection of current network and when receiving the target network slice and the identity, according to the identity mark
Routing iinformation in knowledge, which is directly established with the public control plane of network slice, to be connected.
In the first realization method of second aspect,
The slice scheduling algorithm includes：
Wherein, the Wg,jSlice scheduling weighting function indicates that time j selects the maximum slice of effectiveness in a twinkle；It is described
The service-level agreement conferred for operator；It is describedIt is real to start into the time interval of t-1 the public control plane
The average value of body utilization rate；The H is based on the public control face entity retention rate set of slices；The g is slice numbers
It is corresponding with affiliated operator；
Wherein, the tg,j-1Indicate the average value of the public control plane entity utilization of last moment；The Ng,j-1
Indicate public control plane number of entities described in last moment；The K indicates the sum of the public control face entity of system；Its
In, the β is adjusted value.
In second of realization method of second aspect, the identity includes the specific of public control plane mark and UE
Identity；Wherein, the public control plane mark includes the routing iinformation of public control plane；Wherein, the specific body of the UE
Part is identified as the user equipment (UE) mark that unique identification accesses the public control plane.
The third aspect, an embodiment of the present invention provides a kind of UE user equipmenies, including：
Attach request sending module, for sending attach request to control plane functional entity；Wherein, the attach request packet
Include UE usage types, service type and UE abilities；Wherein, the UE usage types are used to distinguish the type of UE；Wherein, the clothes
Service type includes the business information for being used to indicate network slice and providing；The UE abilities are for making the control plane functional entity true
The ability that the fixed UE is supported；
Attachment response receiving module, for receiving attachment response；Wherein, the attachment response is that the control plane function is real
The request that body is fed back according to the attach request fails or the control plane functional entity is according to the attach request and slice
The target network slice type selected at least one network slice that dispatching algorithm is configured from the network side and identity；
Adhere to operation module, network attachment operation is carried out for being responded according to the attachment；Wherein, the network attachment behaviour
Work is included in when receiving request failure, keep the connection with current network and receive the target network be sliced and
When the identity, the public control plane according to the routing iinformation in the identity directly with network slice is established
Connection.
Fourth aspect, an embodiment of the present invention provides a kind of control plane functional entitys, which is characterized in that including：
Attach request receiving module, the attach request for receiving user equipment (UE) transmission；Wherein, the attach request packet
Include UE usage types, service type and UE abilities；Wherein, the UE usage types are used to distinguish the type of UE；Wherein, the clothes
Service type includes the business information for being used to indicate network slice and providing；The UE abilities are for making the control plane functional entity true
The ability that the fixed UE is supported；
Attachment response feedback module, for feeding back attachment response according to the attach request, so that the user equipment
UE is responded according to the attachment and is carried out network attachment operation；Wherein, the attachment response includes request failure or the control plane
During functional entity is sliced according at least one network that the attach request and slice scheduling algorithm are configured from the network side
The target network slice type of selection and identity；Wherein, the network attachment operation, which is included in, receives the request mistake
When losing, holding is with the connection of current network and when receiving the target network slice and the identity, according to described
Routing iinformation in identity, which is directly established with the public control plane of network slice, to be connected.
5th aspect, an embodiment of the present invention provides a kind of network be sliced selection equipment, including processor, memory and
It is stored in the memory and is configured as the computer program executed by the processor, the processor executes the meter
Network slice selection method as described above is realized when calculation machine program.
6th aspect, an embodiment of the present invention provides a kind of computer readable storage mediums, which is characterized in that the calculating
Machine readable storage medium storing program for executing includes the computer program of storage, wherein controls the computer when the computer program is run
Equipment executes network as described above and is sliced selection method where readable storage medium storing program for executing.
One technical solution of above-mentioned technical proposal has the following advantages that：Further according to the user equipment (UE) transmission it is attached
Request, network slice is selected, wherein being specifically according to UE usage types, service type and the UE energy in attach request
Power is being closed to carry out suitable network slice selection after first the user equipment (UE) feeds back attach request feedback information
Network connection is carried out according to the feedback information when suitable network is sliced, is realized in 5G networks in terminal access procedure with this
Network slice selection.
Description of the drawings
Fig. 1 is the flow diagram for the network slice selection method that first embodiment of the invention provides；
Fig. 2 is the structural schematic diagram for the network slice selection flow that first embodiment of the invention provides；
Fig. 3 is the structural schematic diagram for another network slice selection flow that first embodiment of the invention provides；
Fig. 4 is the structural schematic diagram for another network slice selection flow that first embodiment of the invention provides；
Fig. 5 is the flow diagram for the network slice selection method that second embodiment of the invention provides；
Fig. 6 is a kind of user equipment (UE) structural schematic diagram that third embodiment of the invention provides；
Fig. 7 is a kind of control plane functional entity structural schematic diagram that fourth embodiment of the invention provides；
Fig. 8 is the structural schematic diagram for the network slice selection equipment that fifth embodiment of the invention provides.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a kind of networks to be sliced selection method, for the net in terminal access procedure in 5G networks
Network slice selection, is described in detail separately below.
Traditional mobile communication system only exists a network example, therefore when the user equipment (UE) is attached to network
Network need not be selected that its network contracted can be directly accessed.Network microtomy is being introduced, due to each
It is all a complete logical network that network, which is sliced example, this also means that there are the networks of multiple and different types in network domains
For the user equipment UE access.Therefore, it is how in the user equipment (UE) to net firstly the need of consideration in the system
When network adheres to example is sliced for the network needed for its selection.
It can be applied to 5G communication systems or long term evolution (English in the embodiment of the present application：long term
Evolution, referred to as：LTE) the mobile communication system such as system.
Embodiment one provides a kind of network slice selection method referring to Fig. 1, and the method is used for user equipment (UE), packet
It includes：
S11, the user equipment (UE) send attach request to control plane functional entity；Wherein, the attach request includes
UE usage types, service type and UE abilities；Wherein, the UE usage types are used to distinguish the type of UE；Wherein, the service
Type includes the business information for being used to indicate network slice and providing；The UE abilities are for allowing the control plane functional entity to determine
The ability that the UE is supported.
It should be noted that in embodiments of the present invention, the UE user equipmenies can be wireless terminal, such as can be
Mobile phone, computer, tablet computer, personal digital assistant's (English：Personal digital assistant, abbreviation：
PDA), mobile internet device (English：Mobile Internet device, abbreviation：MID), Internet protocol (English：
Internet Protocol, abbreviation：IP) phone, the network printer and E-book reader (English：e-book reader),
Mobile unit, wearable device, internet-of-things terminal equipment, such as fire detection sensor, intellectual water meter, intelligent electric meter, intelligence
Bicycle, unmanned plane, factory's monitoring device etc..
In embodiments of the present invention, the UE usage types are used to distinguish the type of the user equipment (UE), such as vehicle-mounted
UE usage types, smart mobile phone UE usage types；This is an only visible parameter of core net, and the user equipment (UE) without
The parameter need to be paid close attention to.
In embodiments of the present invention, the service type is for distinguishing the business that different core network embodiment is supported, example
As vehicle-mounted UE may want to support simultaneously enhancing mobile broadband (enhanced mobile broadband, eMBB) service and
V2X (vehicle to X, vehicle is to the external world) is serviced.Not only there is the standards service type suitable for all PLMN, but also there are specific
The service type of PLMN.The public land that the service type information stored in the user equipment (UE) can be roamed into according to UE
The strategy of operator is updated in ground mobile network (public land mobile network, PLMN), and the present invention is to this
It is not especially limited.
In embodiments of the present invention, the ability that the UE abilities are used to that network to be allowed to determine that the user equipment (UE) is supported, such as
Electricity sensitivity, mobile rank etc..
Wherein, access network domain includes one or more control plane functional entitys, one or more control plane functional entitys
It can be as the control plane functional entity for being sliced selection for being responsible for the network of access network domain deployment.Core network domain includes public control
Face entity processed, core-network side are sliced the control plane function distributing of selection in the public control face entity for network.In order to realize
The sightless purpose of network deployment way docking networking of core net, using the public control face entity of core-network side as multiple nets
The agency of network slice executes the selection course being sliced to the network for being deployed in core-network side by the control face entity of core-network side.
If the selection course of the network slice of core-network side is executed in access net side, the control plane functional entity for accessing net side is also used
In the selection course for the network slice for executing core-network side.Specifically, the control plane functional entity for accessing net side is responsible for described
The authentication of user equipment UE access network slice, and the instruction of the network slice of access is distributed the user equipment (UE)
Information.
Wherein, public control face entity and/or/control plane functional entity can be configured to patrol with what multiple networks were sliced respectively
It collects function and establishes connection.Alternatively, multiple network slices can be disposed in public control face entity and/or control plane functional entity
Logic function, the present invention are not especially limited this.
Same terminal can register multiple network slices simultaneously, and obtain the service that multiple network slices provide simultaneously.Tool
Body, user equipment (UE) before accessing to a network, needs the service type information for obtaining network slice.Terminal is in access procedure
In, the control plane function that the service type information that network is sliced is reported to access network by base station or access point is real
Body, the control plane functional entity are selected according to the service type information that the network of reported by user equipment UE is sliced for user equipment (UE)
Select network slice.
Preferably, it after the user equipment (UE) sends attach request to network side, is received in the user equipment (UE)
Before attachment response, further include：The network of one default of the user equipment UE access is sliced.Net is accessed in terminal initial
Under the scene of network, i.e., after user initiates attach request to network, wireless access network receives the attach request that the UE is initiated
After information, terminal is not provided with the selection information of the network slice of effect, then the public control face entity of the core net will be the end
The network slice of end selection default, to provide most basic service for the terminal, is unlikely to make user that can not access network.
In embodiments of the present invention, such as Fig. 2, the attach request information is forwarded to network slice selection by wireless access network
Module, subscription information can be accessed and be authenticated and authenticate first by receiving the network slice selecting module of the attach request, with
It determines the legitimacy of user's attach request and obtains the permission of service.If the signing information of the user includes the service,
The type for meeting network needed for the request and being sliced can be determined according to the solicited message and signing information of user, then by refusal access
Information returns to user.
S12, the user equipment (UE) receive attachment response；Wherein, the attachment response is the control plane functional entity
It is adjusted according to the attach request and slice according to the request failure of attach request feedback or the control plane functional entity
The target network slice type selected at least one network slice that degree algorithm is configured from the network side and identity.
Preferably, described and slice scheduling algorithm includes：
Wherein, the Wg,jSlice scheduling weighting function indicates that time j selects the maximum slice of effectiveness in a twinkle；It is described
The service-level agreement conferred for operator；It is describedIt is real to start into the time interval of t-1 the public control plane
The average value of body utilization rate；The H is based on the public control face entity retention rate set of slices；The g is slice numbers
It is corresponding with affiliated operator；
Wherein, the tg,j-1Indicate the average value of the public control plane entity utilization of last moment；The Ng,j-1
Indicate public control plane number of entities described in last moment；The K indicates the sum of the public control face entity of system；Its
In, the β is adjusted value.
It should be noted that slice scheduling weight Wg,jBy utility functionIt is transformed, indicates
System j when instantaneous selects the maximum slice of effectiveness.If the public control face entity is still after selection slice scheduling finishes
There is residue, then selection carries secondary weight W in the intervals this time jg,jSlice carry out frame scheduling.Wherein H is based on described
Public control face entity retention rate set of slices,Indicate the public control face entity profit out of time interval that start t-1
With the average value of rate, public control face entity sum, N described in K expression systemsg,j-1Indicate public control face entity described in last time
Number.This process continues until having utilized all public control face entities not to be sliced residue.By this
Mode, system ensure that the maximization of base station utilization rate under single slice conditions of demand, mobile operator maximizations are entirely sliced
Effectiveness realizes the maximization of income.
In embodiments of the present invention, in network domains, each network slice example has associated network slice type
Mark, for distinguishing different types of network slice, the selected network is sliced example, that is, target network and is sliced class
Type, it is corresponding with the user equipment (UE) usage type.The target network slice type is complete in network slice example layout
At when by network slice manager assign.
Such as Fig. 3, after determining the target network slice type needed for user, network is sliced selecting module and will access
Network is sliced the network in manager and is sliced registration table, wherein the information of the network slice run comprising network domains.In network
It is sliced in the slice registration table of manager, the information of all network slice examples in operating status is remembered in the form of database
Record is here, and keep real-time update.Include mainly in the data entries of each network slice example：Network slice type, network
Be sliced mark, user capacity, be currently accessed number of users and operating status etc..
In embodiments of the present invention, the more described attach request of the control plane functional entity judges that second service type is
It is no identical as first service type；The first service type is attached to selected when first network is sliced for the user equipment (UE)
The service type selected；The second service type is that the user equipment (UE) is attached to selected service when the second network slice
Type.
After determining first service type, wireless access network node determine second service type whether with first service type
It is identical.When identical and different, different execution steps is corresponded to respectively.
The first：If identical, Non-Access Stratum request message is sent to first service type by wireless access network node.
Second：If differing, the Non-Access Stratum request message is sent to described by the wireless access network node
Two service types.
During specific implementation, Non-Access Stratum request message can be carried is sent to second service class in solicited message
Type；Can also be the signaling connection established by wireless access network node and second service type by Non-Access Stratum request message list
It solely is sent to second service type, for above two realization method, those of ordinary skill in the art can be according to reality
It is selected, is not especially limited in the embodiment of the present application.
In embodiments of the present invention, the network slice selecting module in the control plane functional entity gets respective type
Network slice information after, according to its user capacity and number of users can be currently accessed network therefrom be selected to be sliced example, and
The attach request of user is forwarded to the network function of public control plane in network slice.If there is no use in the network domains
The network of type needed for family is sliced example, then the attach request relevant information of user is sent to net by network slice selecting module
Network is sliced manager, while the company for returning to failure information through wireless access network to user, and user being kept to be sliced with default network
It connects.After public control plane receives the attach request of user, network function therein can be sliced selecting module feedback to network
One attachment response, wherein including mainly the target network slice type and user's temporary identifier.
Preferably, the identity includes public control plane mark and the specific identity mark of UE；Wherein, described public
Control plane mark includes the routing iinformation of public control plane；Wherein, the specific identity of the UE is identified as unique identification access institute
State the user equipment (UE) mark of public control plane.
S13, the user equipment (UE) are responded according to the attachment carries out network attachment operation；Wherein, the network attachment
Operation is included in when receiving request failure, keeps the connection with current network and is receiving the target network slice
And when the identity, the public control plane according to the routing iinformation in the identity directly with network slice is built
Vertical connection.
It should be noted that the user UE can connect virtual network routing according to the routing iinformation in the identity
Device, wherein the virtual network router is that can form multiple virtual flow-lines in logic on a physical router
Device, each virtual router individually run respective Routing Protocol example, and have oneself dedicated port I/O, delay
It deposits, address space, routing table and the network management software no longer need to deployment physics routing for the different IP network sections communication between VM
Device supports 3 layers of Routing Protocol OSPF, BGP, RIP, VRRP, NAT, IPv6, DHCP, DNS etc., and the present invention does not limit this specifically
It is fixed.
As shown in figure 4, the network slice selecting module for receiving attachment response can be transmitted to via wireless access network it is described
User equipment (UE), the subsequent user equipment (UE) can be included according to the Temprorary ID in the response in attachment response
Routing iinformation directly with network slice public control plane establish connect, at the same time, UE also will disconnect before with acquiescence net
The connection of network slice.The user equipment (UE) will preserve the target network slice and the Temprorary ID so as to right
The foundation of the attachment and conversation procedure again of network slice.
In embodiments of the present invention, the user equipment (UE) can send the attachment to the control plane functional entity and ask
It asks, wherein carry the service type in the attach request, the control plane functional entity can be with according to the service type
The selection of network slice is directly carried out, or, the control plane functional entity gives the user equipment (UE) by the service type
Corresponding slice information list is sent, that is, realizes the selection of network slice, it in the related technology can not be to described to solve
The problem of select of network slice.
Implement the present embodiment to have the advantages that：
The selection of network slice is carried out according to the attach request of user equipment (UE), wherein the UE in the attach request makes
Judgement selection is carried out convenient for control plane functional entity with type, service type and UE abilities, suitable network is selected with this and is cut
Piece, and then the network slice that the user equipment (UE) is selected according to the feedback response of the control plane functional entity is adhered to
Connection, or retransmission attach request information is carried out according to the failure information of feedback.The terminal in 5G networks is realized to access
Network slice selection in the process.
Embodiment two provides a kind of network slice selection method referring to Fig. 5, and the method is real for control plane function
Body, including：
The control plane functional entity receives the attach request that user equipment (UE) is sent；Wherein, the attach request includes
UE usage types, service type and UE abilities；Wherein, the UE usage types are used to distinguish the type of UE；Wherein, the service
Type includes the business information for being used to indicate network slice and providing；The UE abilities are for allowing the control plane functional entity to determine
The ability that the UE is supported；
The control plane functional entity feeds back attachment response according to the attach request, so that the user equipment (UE) root
It is responded according to the attachment and carries out network attachment operation；Wherein, the attachment response includes request failure or the control plane function
It is selected at least one network slice that entity is configured according to the attach request and slice scheduling algorithm from the network side
Target network slice type and identity；Wherein, network attachment operation is included in when receiving the request unsuccessfully,
Holding is with the connection of current network and when receiving the target network slice and the identity, according to the identity mark
Routing iinformation in knowledge, which is directly established with the public control face entity of network slice, to be connected.
It should be noted that the user UE can connect virtual network routing according to the routing iinformation in the identity
Device, wherein the virtual network router is that can form multiple virtual flow-lines in logic on a physical router
Device, each virtual router individually run respective Routing Protocol example, and have oneself dedicated port I/O, delay
It deposits, address space, routing table and the network management software no longer need to deployment physics routing for the different IP network sections communication between VM
Device supports 3 layers of Routing Protocol OSPF, BGP, RIP, VRRP, NAT, IPv6, DHCP, DNS etc., and the present invention does not limit this specifically
It is fixed.
Preferably, after the attach request that the control plane functional entity receives that user equipment (UE) is sent, the control
Face functional entity according to the attach request feed back attachment response so that the user equipment (UE) according to it is described attachment respond into
After the operation of row network attachment,
The network slice of a default is configured for the user equipment (UE).
Preferably, the identity includes public control plane mark and the specific identity mark of UE；Wherein, described public
Control plane mark includes the routing iinformation of public control plane；Wherein, the specific identity of the UE is identified as unique identification access institute
State the user equipment (UE) mark of public control plane.
The specific implementation process of this implementation is sketched below：
The functional entity is the user equipment (UE) before the user equipment (UE) does not access the target network slice
The network slice of one default of configuration, most basic network service is provided for it, described in the user equipment UE access
After the network slice of default, the attach request that user equipment (UE) is sent is received；Wherein, the attach request includes that UE is used
Type, service type and UE abilities；Wherein, the UE usage types are used to distinguish the type of UE；Wherein, the service type packet
It includes and is used to indicate the business information that network slice provides；The UE abilities are for allowing the control plane functional entity to determine the UE
The ability of support；Attachment response is fed back according to the attach request, so that the user equipment (UE) is responded according to the attachment
Carry out network attachment operation；Wherein, the attachment response includes request failure or the control plane functional entity according to described attached
The target network slice type and identity that request is selected from least one network slice that the network side configures；Its
In, network attachment operation is included in when receiving the request failure, the connection of holding and current network and is receiving
When the target network slice and the identity, directly cut with the network according to the routing iinformation in the identity
The public control face entity of piece establishes connection.
Implement the present embodiment to have the advantages that：
The control plane functional entity provides the network slice of a default for the user equipment (UE), convenient for described
User equipment (UE) can carry out most basic Web vector graphic, and the attach request sent according to the user equipment (UE) is suitable for its configuration
Network slice, realize in 5G networks in terminal access procedure network slice selection.
Referring to Fig. 6, Fig. 6 is a kind of user equipment (UE) that third embodiment of the invention provides, including：
Attach request sending module 61, for sending attach request to control plane functional entity；Wherein, the attach request
Including UE usage types, service type and UE abilities；Wherein, the UE usage types are used to distinguish the type of UE；Wherein, described
Service type includes the business information for being used to indicate network slice and providing；The UE abilities are for allowing the control plane functional entity
Determine the ability that the UE is supported；
Attachment response receiving module 62, for receiving attachment response；Wherein, the attachment response is the control plane function
The request failure or the control plane functional entity that entity is fed back according to the attach request according to the attach request and are cut
The target network slice type and identity mark selected at least one network slice that piece dispatching algorithm is configured from the network side
Know；
Adhere to operation module 63, network attachment operation is carried out for being responded according to the attachment；Wherein, the network attachment
Operation is included in when receiving request failure, keeps the connection with current network and is receiving the target network slice
And when the identity, the public control plane according to the routing iinformation in the identity directly with network slice is built
Vertical connection.
Preferably, further include：
Acquiescence slice AM access module, the network slice for accessing a default.
Preferably, the identity includes public control plane mark and the specific identity mark of UE；Wherein, described public
Control plane mark includes the routing iinformation of public control plane；Wherein, the specific identity of the UE is identified as unique identification access institute
State the user equipment (UE) mark of public control plane.
Referring to Fig. 7, Fig. 7 is a kind of control plane functional entity that fourth embodiment of the invention provides, including：
Attach request receiving module 71, the attach request for receiving user equipment (UE) transmission；Wherein, the attach request
Including UE usage types, service type and UE abilities；Wherein, the UE usage types are used to distinguish the type of UE；Wherein, described
Service type includes the business information for being used to indicate network slice and providing；The UE abilities are for allowing the control plane functional entity
Determine the ability that the UE is supported；
Attachment response feedback module 72, for feeding back attachment response according to the attach request, so that the user sets
Standby UE is responded according to the attachment carries out network attachment operation；Wherein, the attachment response includes request failure or the control
Face functional entity is sliced according at least one network that the attach request and slice scheduling algorithm are configured from the network side
The target network slice type of middle selection and identity；Wherein, the network attachment operation, which is included in, receives the request
When failure, holding is with the connection of current network and when receiving the target network slice and the identity, according to institute
It states the public control plane that the routing iinformation in identity is directly sliced with the network and establishes connection.
Preferably, further include：
Acquiescence slice configuration module, the network slice for configuring a default for the user equipment (UE).
Preferably, the identity includes public control plane mark and the specific identity mark of UE；Wherein, described public
Control plane mark includes the routing iinformation of public control plane；Wherein, the specific identity of the UE is identified as unique identification access institute
State the user equipment (UE) mark of public control plane.
Fig. 8 is referred to, Fig. 8 is the schematic diagram for the network slice selection equipment that fifth embodiment of the invention provides, for holding
Row network provided in an embodiment of the present invention is sliced selection method, as shown in figure 8, the terminal device that the network is sliced selection includes：
At least one processor 11, such as CPU, at least one network interface 14 or other users interface 13, memory 15, at least one
A communication bus 12, communication bus 12 is for realizing the connection communication between these components.Wherein, user interface 13 optionally may be used
To include USB interface and other standards interface, wireline interface.Network interface 14 may include optionally Wi-Fi interface and
Other wireless interfaces.Memory 15 may include high-speed RAM memory, it is also possible to further include non-labile memory (non-
Volatilememory), a for example, at least magnetic disk storage.Memory 15 can include optionally at least one is located remotely from
The storage device of aforementioned processor 11.
In some embodiments, memory 15 stores following element, executable modules or data structures, or
Their subset or their superset:
Operating system 151, including various system programs, for realizing various basic businesses and hardware based of processing
Business；
Program 152.
Specifically, processor 11 executes the net described in above-described embodiment for calling the program 152 stored in memory 15
Network is sliced selection method.
Alleged processor can be central processing unit (Central Processing Unit, CPU), can also be it
His general processor, digital signal processor (Digital Signal Processor, DSP), application-specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor can also be any conventional processor
It is the control centre of the network slice selection method Deng, the processor, it is entirely described using various interfaces and connection
Network is sliced the various pieces of selection method.
The memory can be used for storing the computer program and/or module, and the processor is by running or executing
Computer program in the memory and/or module are stored, and calls the data being stored in memory, realizes network
It is sliced the various functions of the electronic device of selection.The memory can include mainly storing program area and storage data field, wherein
Storing program area can storage program area, application program (such as sound-playing function, text conversion needed at least one function
Function etc.) etc.；Storage data field can be stored uses created data (such as audio data, word message number according to mobile phone
According to etc.) etc..In addition, memory may include high-speed random access memory, can also include nonvolatile memory, such as firmly
Disk, memory, plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital,
SD) block, flash card (Flash Card), at least one disk memory, flush memory device or other volatile solid-states
Part.
Wherein, if the module that network slice selection method integrates is realized in the form of SFU software functional unit and conduct
Independent product sale in use, can be stored in a computer read/write memory medium.Based on this understanding, originally
All or part of flow in above-described embodiment method is realized in invention, and relevant hardware can also be instructed by computer program
It completes, the computer program can be stored in a computer readable storage medium, which is being handled
When device executes, it can be achieved that the step of above-mentioned each embodiment of the method.Wherein, the computer program includes computer program generation
Code, the computer program code can be source code form, object identification code form, executable file or certain intermediate forms
Deng.The computer-readable medium may include：Any entity or device, record of the computer program code can be carried
Medium, USB flash disk, mobile hard disk, magnetic disc, CD, computer storage, read-only memory (ROM, Read-Only Memory), with
Machine accesses memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..
It should be noted that the content that the computer-readable medium includes can be according to legislation and patent practice in jurisdiction
It is required that carrying out increase and decrease appropriate, such as in certain jurisdictions, do not wrapped according to legislation and patent practice, computer-readable medium
Include electric carrier signal and telecommunication signal.
It should be noted that the apparatus embodiments described above are merely exemplary, wherein described be used as separating component
The unit of explanation may or may not be physically separated, and the component shown as unit can be or can also
It is not physical unit, you can be located at a place, or may be distributed over multiple network units.It can be according to actual
It needs that some or all of module therein is selected to achieve the purpose of the solution of this embodiment.In addition, device provided by the invention
In embodiment attached drawing, the connection relation between module indicates there is communication connection between them, specifically can be implemented as one or
A plurality of communication bus or signal wire.Those of ordinary skill in the art are without creative efforts, you can to understand
And implement.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
It should be noted that in the above-described embodiments, all emphasizing particularly on different fields to the description of each embodiment, in some embodiment
In the part that is not described in, may refer to the associated description of other embodiment.Secondly, those skilled in the art should also know
It knows, embodiment described in this description belongs to preferred embodiment, and involved action and simulation must be that the present invention must
Must.
Claims (10)
1. a kind of network is sliced selection method, which is characterized in that the method is used for user equipment (UE), including：
The user equipment (UE) sends attach request to control plane functional entity；Wherein, the attach request includes that UE uses class
Type, service type and UE abilities；Wherein, the UE usage types are used to distinguish the type of UE；Wherein, the service type includes
It is used to indicate the business information that network slice provides；The UE abilities are for allowing the control plane functional entity to determine the UE branch
The ability held；
The user equipment (UE) receives attachment response；Wherein, the attachment response is the control plane functional entity according to
The request failure of attach request feedback or the control plane functional entity according to the attach request and slice scheduling algorithm from
The target network slice type selected at least one network slice of the network side configuration and identity；
The user equipment (UE) responds according to the attachment and carries out network attachment operation；Wherein, the network attachment, which operates, includes
When receiving the request failure, keeps the connection with current network and receiving the target network slice and the body
When part mark, is directly established and connected with the public control face entity of network slice according to the routing iinformation in the identity
It connects.
2. network according to claim 1 is sliced selection method, which is characterized in that the slice scheduling algorithm includes：
Wherein, the Wg,jSlice scheduling weighting function indicates that time j selects the maximum slice of effectiveness in a twinkle；It is describedFor operation
The service-level agreement that quotient confers；It is describedIt is utilized to start into the time interval of t-1 the public control face entity
The average value of rate；The H is based on the public control face entity retention rate set of slices；The g be slice numbers with it is affiliated
Operator correspond to；
Wherein, the tg,j-1Indicate the average value of the public control plane entity utilization of last moment；The Ng,j-1It indicates
Public control plane number of entities described in last moment；The K indicates the sum of the public control face entity of system；Wherein,
The β is adjusted value.
3. network according to claim 1 is sliced selection method, which is characterized in that the identity includes public control
Face identifies and the specific identity of UE identifies；Wherein, the public control plane mark includes the routing iinformation of public control plane；Its
In, the specific identity of the UE is identified as the user equipment (UE) mark that unique identification accesses the public control plane.
4. a kind of network is sliced selection method, which is characterized in that the method is used for control plane functional entity, including：
The control plane functional entity receives the attach request that user equipment (UE) is sent；Wherein, the attach request, which includes UE, makes
With type, service type and UE abilities；Wherein, the UE usage types are used to distinguish the type of UE；Wherein, the service type
The business information provided including being used to indicate network slice；The UE abilities are for allowing described in the control plane functional entity determination
The ability that UE is supported；
The control plane functional entity feeds back attachment response according to the attach request, so that the user equipment (UE) is according to institute
It states attachment response and carries out network attachment operation；Wherein, the attachment response includes request failure or the control plane functional entity
The mesh selected at least one network slice configured from the network side according to the attach request and slice scheduling algorithm
Mark network slice type and identity；Wherein, network attachment operation is included in when receiving the request failure, holding
Connection with current network and when receiving the target network slice and the identity, according in the identity
Routing iinformation directly with the network slice public control face entity establish connect.
5. network as claimed in claim 4 is sliced selection method, which is characterized in that receive and use in the control plane functional entity
After the attach request that family equipment UE is sent, the control plane functional entity feeds back attachment response according to the attach request, with
So that the user equipment (UE) is responded according to the attachment after carrying out network attachment operation,
The network slice of a default is configured for the user equipment (UE).
6. network according to claim 4 is sliced selection method, which is characterized in that the identity includes public control
Face identifies and the specific identity of UE identifies；Wherein, the public control plane mark includes the routing iinformation of public control plane；Its
In, the specific identity of the UE is identified as the user equipment (UE) mark that unique identification accesses the public control plane.
7. a kind of UE user equipmenies, which is characterized in that including：
Attach request sending module, for sending attach request to control plane functional entity；Wherein, the attach request includes UE
Usage type, service type and UE abilities；Wherein, the UE usage types are used to distinguish the type of UE；Wherein, the service class
Type includes the business information for being used to indicate network slice and providing；The UE abilities are for allowing the control plane functional entity to determine institute
State the ability of UE supports；
Attachment response receiving module, for receiving attachment response；Wherein, the attachment response is the control plane functional entity root
According to the request failure of attach request feedback or the control plane functional entity according to the attach request and slice scheduling
The target network slice type selected at least one network slice that algorithm is configured from the network side and identity；
Adhere to operation module, network attachment operation is carried out for being responded according to the attachment；Wherein, the network attachment operation packet
It includes when receiving request failure, keep the connection with current network and is sliced and described receiving the target network
When identity, is directly established and connected with the public control plane of network slice according to the routing iinformation in the identity
It connects.
8. a kind of control plane functional entity, which is characterized in that including：
Attach request receiving module, the attach request for receiving user equipment (UE) transmission；Wherein, the attach request includes UE
Usage type, service type and UE abilities；Wherein, the UE usage types are used to distinguish the type of UE；Wherein, the service class
Type includes the business information for being used to indicate network slice and providing；The UE abilities are for allowing the control plane functional entity to determine institute
State the ability of UE supports；
Attachment response feedback module, for feeding back attachment response according to the attach request, so that the user equipment (UE) root
It is responded according to the attachment and carries out network attachment operation；Wherein, the attachment response includes request failure or the control plane function
It is selected at least one network slice that entity is configured according to the attach request and slice scheduling algorithm from the network side
Target network slice type and identity；Wherein, network attachment operation is included in when receiving the request unsuccessfully,
Holding is with the connection of current network and when receiving the target network slice and the identity, according to the identity mark
Routing iinformation in knowledge, which is directly established with the public control plane of network slice, to be connected.
9. a kind of network slice selection equipment, including processor, memory and it is stored in the memory and is configured as
The computer program executed by the processor, the processor realize such as claims 1 to 3 when executing the computer program
Any one of described in network be sliced selection method.
10. a kind of computer readable storage medium, which is characterized in that the computer readable storage medium includes the calculating of storage
Machine program, wherein equipment where controlling the computer readable storage medium when the computer program is run is executed as weighed
Profit requires the network described in any one of 1 to 3 to be sliced selection method.
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