CN108307402A - Manage the method, apparatus and system of UPF - Google Patents
Manage the method, apparatus and system of UPF Download PDFInfo
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- CN108307402A CN108307402A CN201610798746.0A CN201610798746A CN108307402A CN 108307402 A CN108307402 A CN 108307402A CN 201610798746 A CN201610798746 A CN 201610798746A CN 108307402 A CN108307402 A CN 108307402A
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- upf
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/08—Mobility data transfer
- H04W8/12—Mobility data transfer between location registers or mobility servers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/08—Load balancing or load distribution
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides a kind of method, apparatus and system of management UPF, wherein this method includes：Obtain the ability information of one or more of predeterminable area UPF；The UPF specified for the terminal selection of access CPF from one or more of UPF according to the ability information of one or more of UPF.Through the invention, it solves the problems, such as to solve in the related technology flexibly can not dynamically to adjust UPF, the topology for overcoming current 4G network control functions and forwarding capability ossifys, and improves management and selects the flexibility of UPF.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of management UPF (user plane functions, User plane
Function method, apparatus) and system.
Background technology
Fig. 1 is according to the structural schematic diagram of the 3GPP evolved packet systems of the relevant technologies, as shown in Figure 1,3GPP evolution point
Group system (EPS, Evolved Packet System) by evolution Universal Mobile Communication System land radio access web (E-
UTRAN, Evolved Universal Terrestrial Radio Access Network), mobile management unit (MME,
Mobility Management Entity), gateway (S-GW, Serving Gateway), grouped data network gateway
(PDN GW or P-GW, Packet Data Network Gateway), home subscriber server (HSS, Home Subscriber
Server), authentication and authorization charging (AAA, Authentication, the Authorization and Accounting) clothes of 3GPP
Business device, "Policy and Charging Rules Function entity (PCRF, Policy and Charging Rules Function) and other
Support node composition.
Wherein, MME is for mobile management, the management etc. of the processing of Non-Access Stratum signaling and user's mobile management context
Control plane related work；S-GW is the accessing gateway equipment being connected with E-UTRAN, and data are forwarded between E-UTRAN and P-GW,
And for being cached to pending datas such as pagings；P-GW is then the borde gateway of EPS and PDN, for PDN access and
The functions such as data are forwarded between EPS and PDN.PCRF is responsible for strategic decision-making and the formulation of charging regulation, provides based on business data flow
Gate, service quality control and charging regulation to GW, execute the strategy and charging regulation that PCRF is formulated in loading end.It is holding
When load is established, GW carries out QoS mandates according to the rule that PCRF is sent and gate controls.
In 3GPP, UE can find corresponding Packet Data Network by access point name (APN, Access Point Name)
Network diagram network (PDN, Packet Data Network) can establish IP connections access net (IP-CAN, an IP to access PDN networks
Connectivity Access Network) session PDN connections.
With demand growth, EPS gateways gradually produce some constraints.User data stream process concentrates on the outlets PDN net
It closes, causes gateway device function complicated, poor expandability.The control plane of gateway is highly coupled with forwarding surface, is unfavorable for core net
Smooth evolution.Forwarding surface dilatation demand frequency is higher than control plane, and close coupling causes control plane forwarding surface to synchronize dilatation, equipment update
Period short-range missile causes composite cost to increase.Network layer data forwarding is difficult to user, service feature, is only capable of according to upper layer transfers
QoS is forwarded, and causes network resource usage inefficient, it is difficult to be finely controlled to data stream according to user and business feature.In addition,
A large amount of strategies need manual configuration, and management complexity is caused to increase, and operation cost is high.Therefore, it is necessary to by packet domain net
The control function in the Central Shanxi Plain is further detached with forwarding capability, to adapt to the demand of network Development and market application.
Fig. 2 is the frame that gateway (GW) control plane and user plane separation under non-roaming scene are based on according to EPC in the related technology
Structure.The framework is by the SGW/PGW and current detection functionality (TDF, Traffic Detection in original EPS frameworks
Function) split into control plane function (CPF, Controller plane function) and user plane functions (UPF,
User plane function) two class functional network elements, SGW corresponds to SGW UPF and SGW CPF, PGW correspond to PGW UPF and
PGW CPF, TDF correspond to TDF UPF and TDF CPF.Wherein different types of CPF (or UPF) can unify deployment, can also
Independent deployment.CPF is responsible for control plane function, including the selection of load sharing, UPF, IP address distribution, strategy and the charging control of UE
The functions such as system, optionally may include user plane address and the distribution of Tunnel Identifier of UPF.UPF is responsible for user plane correlation function, packet
Include data flow identification and depth Packet analyzing, service quality (QoS, Quality of Service) processing and bearing binding, downlink
The functions such as the caching of paging data.The user plane and control plane interface of docking are corresponded to respectively on corresponding CPF and UPF, remaining
The corresponding interface function compares original EPS frameworks.
On the basis of the current 4G network architectures, it is responsible for the selection of UPF by CPF, control plane and user plane separation are based on original
Some SGW or PGW network elements, therefore there are certain topological relations between CPF and UPF, it is considered that one or more UPF are subordinate to
In one group of CPF.Such as one or more SGW UPF are under the jurisdiction of specific one or one group of SGW CPF, one or more PGW
UPF is under the jurisdiction of specific one or one group of PGW CPF.Each CPF perceives the UPF groups oneself managed in advance, and such CPF can be with
A suitable UPF is selected from one group of UPF according to the strategy of oneself.
However, the correspondence of current CPF and UPF is inflexible, UPF flexibly can not dynamically be adjusted.
The problem of for flexibly can not dynamically be adjusted to UPF in the related technology, currently no effective solution has been proposed.
Invention content
An embodiment of the present invention provides it is a kind of management UPF method, apparatus and system, at least solve in the related technology without
The problem of method flexibly dynamically adjusts UPF.
According to one embodiment of present invention, a kind of method of management UPF is provided, including：It obtains in predeterminable area
The ability information of one or more UPF；According to the ability information of one or more of UPF from one or more of UPF
The UPF that terminal selection to access CPF is specified.
Optionally, one or more of UPF are under the jurisdiction of the CPF of one or more identical or different types.
Optionally, it is access CPF from one or more of UPF according to the ability information of one or more of UPF
The specified UPF of terminal selection include：Obtain the selection auxiliary information of the CPF；According to the selection auxiliary information of the CPF and
The ability information of one or more of UPF is specified from one or more of UPF for the terminal selection of access CPF
UPF。
Optionally, according to the ability information of the selection auxiliary information and one or more of UPF of the CPF, from described
Include for the specified UPF of the terminal selection of access CPF in one or more UPF：Obtain the current negative of one or more of UPF
Lotus information；According to the ability information of the selection auxiliary information and one or more of UPF of the CPF, and combine one
Or the current loads information of multiple UPF, the UPF specified for the terminal selection of access CPF from one or more of UPF.
Optionally, the selection auxiliary information includes at least one of：CPF nodal informations, locations/regions information, QoS
Information, APN information, DCN information, network slice information, the type of service of UE requests or signing.
Optionally, it is being accessed from one or more of UPF according to the ability information of one or more of UPF
After the UPF that the terminal selection of CPF is specified, further include：The UPF nodal informations of the specified UPF are sent to the CPF.
Optionally, it is being accessed from one or more of UPF according to the ability information of one or more of UPF
After the UPF that the terminal selection of CPF is specified, further include：Record the correspondence of the CPF and the specified UPF.
Optionally, it is being accessed from one or more of UPF according to the ability information of one or more of UPF
Before the UPF that the terminal selection of CPF is specified, further include：Receive the acquisition UPF request messages that preset CPF is sent, wherein institute
Preset CPF is stated by being locally configured or DNS modes configure.
Optionally, before the ability information for obtaining one or more of predeterminable area UPF, further include：Described in reception
The registration request that each UPF in one or more of UPF in predeterminable area is sent when powering on, in the registration request
Carry the ability information and location information of each UPF；Preserve the ability information and location information of each UPF.
Optionally, the method further includes：Receive one in one or more of UPF in the predeterminable area
What UPF was sent in lower electricity removes registration request；Delete the ability information and location information of the one UPF locally preserved.
Optionally, the method further includes：Detect whether to receive one or more of UPF in the predeterminable area
In a UPF send inspection live request or response；In the feelings for not receiving inspection request living or response that one UPF is sent
Under condition, the ability information and location information of the one UPF locally preserved are deleted.
Optionally, the method further includes：The case where receiving the inspection work request or response that one UPF is sent
Under, the current loads information and/or ability information of one UPF are obtained from inspection request living or response；According to acquisition
The current loads information and/or ability information update the current loads information and/or energy of the one UPF that locally preserve
Force information.
Optionally, described in the case where not receiving inspection request living or to respond corresponding UPF be the specified UPF
Method further includes：Repeat the step of obtaining one or more of the predeterminable area ability information of UPF.
Optionally, in the case where the CPF detects that the position of the terminal is changed, the method further includes：
Repeat the step of obtaining one or more of the predeterminable area ability information of UPF.
Optionally, the ability information includes at least one of：UPF nodal informations, QoS abilities, support APN letter
Breath, the DCN information supported, network slice information, the type of service of support.
Optionally, it is communicated with one or more of UPF by least one following interface：Between CPF and UPF
Interface；Interface between SDN controllers and UPF；It is exclusively used in the interface communicated with one or more of UPF.
According to another embodiment of the present invention, a kind of device of management UPF is provided, including：Acquisition module, for obtaining
The ability information of one or more of predeterminable area UPF；Selecting module, for the ability according to one or more of UPF
The UPF that information is specified from one or more of UPF for the terminal selection of access CPF.
Optionally, one or more of UPF are under the jurisdiction of the CPF of multiple identical or different types.
Optionally, the selecting module is additionally operable to：Obtain the selection auxiliary information of the CPF；According to the selection of the CPF
The ability information of auxiliary information and one or more of UPF is the terminal choosing of access CPF from one or more of UPF
Select specified UPF.
Optionally, the selecting module is additionally operable to：Obtain the current loads information of one or more of UPF；According to institute
The ability information of the selection auxiliary information and one or more of UPF of CPF is stated, and combines working as one or more of UPF
Preload information, the UPF specified for the terminal selection of access CPF from one or more of UPF.
Optionally, the selection auxiliary information includes at least one of：CPF nodal informations, locations/regions information, QoS
Information, APN information, DCN information, network slice information, the type of service of UE requests or signing.
Optionally, described device further includes：Sending module, the UPF for sending the specified UPF to the CPF are saved
Point information.
Optionally, described device further includes：Logging modle, for recording, the CPF is corresponding with the specified UPF to close
System.
Optionally, described device further includes：First receiving module, the acquisition UPF requests sent for receiving preset CPF
Message, wherein the preset CPF is by being locally configured or DNS modes configure.
Optionally, described device further includes：Second receiving module, for receive one in the predeterminable area or
The registration request that each UPF in multiple UPF is sent when powering on carries the ability of each UPF in the registration request
Information and location information；Preserving module, ability information and location information for preserving each UPF.
Optionally, described device further includes：Third receiving module, for receive one in the predeterminable area or
What a UPF in multiple UPF was sent in lower electricity removes registration request；Removing module, for deleting locally preserve described one
The ability information and location information of a UPF.
Optionally, described device further includes：Detection module, for detecting whether receiving described in the predeterminable area
The inspection that a UPF in one or more UPF is sent, which is lived, to be asked or responds；It lives not receiving the inspection that one UPF is sent
In the case of request or response, the ability information and location information of the one UPF locally preserved are deleted.
Optionally, described device further includes：Update module, for request of living in the inspection for receiving one UPF transmissions
Or in the case of response, the current loads information and/or ability letter of one UPF are obtained from inspection request living or response
Breath；And the current of the one UPF locally preserved is updated according to the current loads information and/or ability information of acquisition
Information on load and/or ability information.
Optionally, the ability information includes at least one of：UPF nodal informations, QoS abilities, support APN letter
Breath, the DCN information supported, network slice information, the type of service of support.
Optionally, described device includes at least one of with one or more of UPF interfaces communicated：CPF
Interface between UPF；Interface between SDN controllers and UPF；It is exclusively used in being communicated with one or more of UPF
Interface.
Another embodiment according to the present invention additionally provides the device of another management UPF, including：Processor；For depositing
Store up the memory of the processor-executable instruction；Transmission for carrying out information transmit-receive according to the control of the processor fills
It sets, the transmitting device is connected with one or more of predeterminable area user plane functions UPF；Wherein, the processor is used for
It controls the transmitting device and executes following operation：Obtain the ability information of one or more of UPF；According to one or more
The UPF that the ability information of a UPF is specified from one or more of UPF for the terminal selection of access CPF.
Optionally, the interface packet that the transmitting device is connected with one or more of predeterminable area user plane functions UPF
Include at least one of：Interface between CPF and UPF；Interface between SDN controllers and UPF；Be exclusively used in it is one or
The interface that multiple UPF are communicated.
According to still another embodiment of the invention, a kind of system of management UPF is provided, including：One or more user planes
Function UPF is located in predeterminable area；Multiple control plane function CPF are respectively used to control each in one or more of UPF
Part UPF；And the device of above-mentioned management UPF, it is connected with one or more of UPF, for one or more of
UPF is managed.
According to still another embodiment of the invention, a kind of storage medium is additionally provided.The storage medium is set as storage and uses
In the program code for executing following steps：Obtain the ability information of one or more of predeterminable area UPF；According to one
Or the UPF that the ability information of multiple UPF is specified from one or more of UPF for the terminal selection of access CPF.
Through the invention, the ability information of one or more of predeterminable area UPF is obtained；According to one or more of
The ability information of UPF is the UPF that the terminal selection of access CPF is specified from one or more of UPF, to not further according to
The fixed relationship of CPF and UPF is managed UPF, but one or more of certain area UPF is uniformly managed,
It solves the problems, such as to solve in the related technology flexibly can not dynamically to adjust UPF, overcomes current 4G network control functions and turn
The topology for sending out function ossifys, and improves management and selects the flexibility of UPF.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the structural schematic diagram according to the 3GPP evolved packet systems of the relevant technologies；
Fig. 2 is the framework detached based on gateway control plane under non-roaming scene and user plane according to EPC in the related technology；
Fig. 3 is the flow chart of the method for management UPF according to the ... of the embodiment of the present invention；
Fig. 4 is next generation network control function according to the preferred embodiment of the invention and forwarding capability configuration diagram；
Fig. 5 is the advantage schematic diagram that current framework is compared according to the preferred embodiment of the present invention；
Fig. 6 is the flow chart that UPF according to the preferred embodiment of the invention to UMF register/go registration；
Fig. 7 is the flow chart that keep-alive is carried out between UPF and UMF according to the preferred embodiment of the invention；
Fig. 8 is the flow chart of UMF selections UPF according to the preferred embodiment of the invention；
Fig. 9 is the flow chart one that UMF according to the preferred embodiment of the invention reselects UPF；
Figure 10 is the flowchart 2 that UMF according to the preferred embodiment of the invention reselects UPF；
Figure 11 is the structure diagram of the device of management UPF according to the ... of the embodiment of the present invention；
Figure 12 is the hardware block diagram of another kind UMF according to the ... of the embodiment of the present invention；
Figure 13 is the structure diagram of the system of management UPF according to the ... of the embodiment of the present invention.
Specific implementation mode
Come that the present invention will be described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.
Embodiment of the method
It has been recognised by the inventors that in following 5G software architectures, may not repartition SGW UPF and PGW UPF, UPF can be with
It is general, the connection relation that also should not limit UPF and some CPF is cured, and the topological relation of UPF and CPF can be flexible
Dynamic adjusts.
Based on above-mentioned consideration, a kind of method of management UPF is provided in the present embodiment, Fig. 3 is implemented according to the present invention
The flow chart of the method for the management UPF of example, as shown in figure 3, the flow includes the following steps：
Step S302 obtains the ability information of one or more of predeterminable area UPF；
Step S304, according to the ability information of one or more of UPF from one or more of UPF for access
The UPF that the terminal selection of CPF is specified.
Through the above steps, UPF is not managed further according to the fixed relationship of CPF and UPF, but will be in certain area
One or more UPF be uniformly managed, solve the problems, such as solve UPF flexibly can not dynamically be adjusted in the related technology,
The topology for overcoming current 4G network control functions and forwarding capability ossifys, and improves management and selects the flexibility of UPF.
Optionally, the executive agent of above-mentioned steps is defined herein as network function (UMF, the UPF of management UPF
Management Function), but it is not limited to this.
Optionally, one or more of UPF can be under the jurisdiction of one or more CPF, these CPF can be identical or not
The CPF of same type, such as can be SGW CPF, can also be PGW CPF etc..
Optionally, the ability information can include but is not limited at least one of：UPF nodal informations (such as IP
Location or domain name), QoS abilities, the APN information of support, the special core net of support (DCN, Dedicated Core Networks)
Information, network slice information, type of service of support etc..
Optionally, the executive agent (UMF) of above-mentioned steps can be independent entity, can also merge portion in systems
In part, for example, when UMF and CPF unify, then in the present embodiment the interface of UMF and UPF be CPF and UPF interface expansion
Exhibition；When UMF and SDN controller unifies, then in the present embodiment the interface of UMF and UPF be SDN controller with
The extension of the interface of UPF；And when UMF is independent community, then it can be arranged in UMF and be exclusively used in UMF and communicated with UPF
Interface.
As a preferred implementation manner, during step S304 selections specified UPF, the CPF can also be obtained
Selection auxiliary information, then according to the ability information of the selection auxiliary information and one or more of UPF of the CPF, from
The UPF specified for the terminal selection of access CPF in one or more of UPF.
Optionally, during the UPF that above-mentioned selection is specified, the current of one or more of UPF can also be obtained
Information on load, thus according to the ability information of the selection auxiliary information and one or more of UPF of the CPF, and combine institute
The current loads information for stating one or more UPF is specified from one or more of UPF for the terminal selection of access CPF
UPF。
Optionally, the selection auxiliary information can include but is not limited at least one of：CPF nodal informations (such as
IP address or domain name), locations/regions information, QoS information, APN information, DCN information, network slice information, UE request or signing
Type of service (such as UE Usage type).
As a preferred implementation manner, according to the ability information of one or more of UPF from one or more
Before the UPF specified for the terminal selection of access CPF in a UPF, the acquisition UPF request messages of CPF transmissions can also be received.
Executive agent (UMF) there are the CPF for obtaining UPF request messages in the case of multiple, is sent to this UMF can be by being locally configured
Or DNS modes are configured.
As a preferred implementation manner, according to the ability information of one or more of UPF from one or more
After the UPF specified for the terminal selection of access CPF in a UPF, the UPF of the specified UPF can also be sent to the CPF
Nodal information.The UPF nodal informations of the specified UPF can be sent to CPF by obtaining UPF response messages.
Optionally, it is being accessed from one or more of UPF according to the ability information of one or more of UPF
After the UPF that the terminal selection of CPF is specified, the passes corresponding with the specified UPF the CPF can also be locally recorded in UMF
System, to be directly called when similar situation next time.
The UPF in UMF management regions (i.e. above-mentioned predeterminable area) can be in advance at this as a preferred implementation manner,
It is registered on UMF.Specifically, the UPF in the region can send registration request, the registration request when powering on to UMF
The middle ability information and location information for carrying the UPF, UMF receive registration request, and preserve the ability information and position letter of the UPF
Breath.
Optionally, UPF can also carry out registering.Specifically, it when electric under UPF in the area, can be sent to UMF
Registration request, UMF is gone to receive the registration request that goes of the UPF, and based on the ability for going registration request to delete the UPF locally preserved
Information and location information.
UMF can be according to certain rule (such as regular) to the UPF in its management region as a preferred implementation manner,
Inspection work is carried out, it is specific as follows：Detect whether to receive a UPF in one or more of UPF in the predeterminable area
The inspection of transmission, which is lived, to be asked or responds；In the case where request or response are lived in the inspection for not receiving UPF transmissions, local preserve is deleted
The UPF ability information and location information.Wherein, UPF periodically actively can send inspection request living to UMF, or can also
Inspection request living is actively sent to carry out inspection work, if then correspondingly UPF in the operating condition, can be anti-to UMF to UPF from UMF
Feedback inspection response living.
Optionally, UMF can also live according to the inspection received asks or responds to be updated the information of UPF.Tool
Body, in the case where request or response are lived in the inspection for receiving some UPF transmissions, being obtained from inspection request living or response should
The current loads information and/or ability information of UPF；This is updated according to the current loads information and/or ability information of acquisition
The current loads information and/or ability information for the UPF that ground preserves.
Optionally, if the CPF detects that the position of the terminal is changed or UMF does not receive inspection work and asks
It is that can then repeat step S302 in step S304 in the case of the specified UPF that selects to seek or respond corresponding UPF
And step S304.
It is illustrated with reference to preferred embodiment, preferred embodiment below combines above-described embodiment and its preferred implementation
Mode.
In preferred embodiment below, it is proposed that a kind of network function (UMF, UPF Management of management UPF
Function) and the method for selection UPF, to realize the selection of UPF, dynamically manage and be adjusted flexibly.This method can overcome mesh
The topology of preceding 4G network control functions and forwarding capability ossifys, to flexible management and selection UPF.
This method main contents are as follows：UMF manages the UPF in certain area coverage.When terminal access CPF when, UMF according to
The position of UPF and ability select a suitable UPF in conjunction with the selection auxiliary information of CPF.When the currently used UPF of terminal without
When method meet demand, UMF can be that terminal reselects a suitable UPF.
UMF can be independent network function, or unify with other functional entitys in network, such as in current EPC frameworks
Some CPF, some CPF in SDN controllers (controller) or the future 5G network architectures.
By using said program, compared with the relevant technologies, CPF and UPF networks can be flexibly set up, and flexible for terminal
Select optimal UPF.
The implementation of technical solution is described in further detail below in conjunction with the accompanying drawings：Fig. 4 is according to of the invention preferred real
The next generation network control function and forwarding capability configuration diagram of example are applied, as shown in figure 4, can be as needed, in certain area
A UMF is disposed in range, manages all UPF in specific region.In Future network architectures, UPF may sink to number of edges
According to center, together with Radio Access Network deployment, and CPF still concentrates on higher position, and UMF can be in this case
UPF sinks to edge data center together, such as the region 3 in Fig. 4.
Fig. 5 is the advantage schematic diagram that current framework is compared according to the preferred embodiment of the present invention, as shown in figure 5, introducing this
Before scheme, SGW UPF groups 1 can only be used by SGW CPF1 selections, and SGW UPF groups 2 can only be used by SGW CPF2.Such as work as
In the case that SGW UPF2 group loads are excessively high, and 1 resource of SGW UPF groups is more than needed, the resource of SGW UPF1 still can not be by SGW
CPF2 is used.Another drawback of this framework is, if exception occur in SGW CPF1, to be under the jurisdiction of the SGW UPF groups 1 of SGW CPF1
It can not will again be used to, lead to the waste of resource.And UMF breaks this grouping relationship, using the UPF of same ability as one
A resource pool uses.UMF can be most suitable for terminal selection in the UPF of same ability in conjunction with the load condition of current UPF
UPF.When terminal is accessed from SGW CPF2, or terminal chooses the UPF in SGW UPF groups 1.
Fig. 6 is the flow chart that UPF according to the preferred embodiment of the invention to UMF register/go registration, as shown in fig. 6,
This Figure illustrates UPF to carry out registering/going the one embodiment registered to UMF, is as follows：
Step S602：UPF needs to send registration request to UMF when powering on.UPF carries this UPF abilities and position when registering
Confidence ceases.UPF ability informations including but not limited to UPF nodal informations (IP address or domain name), QoS abilities, support APN, DCN
(Dedicated Core Networks) information, network slice information, type of service of support etc.；
Or registration request is carried out to UMF under UPF when electricity.
Step S604：When UMF receives registration request, UPF nodal informations and its ability and location information are locally being preserved；
Or UMF deletes the UPF nodal informations locally preserved and its ability and location information when receiving registration request.
Step S606：UMF returns to registration reply to UPF or UMF returns to registration reply to UPF.
When UMF and CPF unify, then in the present embodiment the interface of UMF and UPF be CPF and UPF interface expansion
Exhibition；When UMF and SDN controller unifies, then in the present embodiment the interface of UMF and UPF be SDN controller with
The extension of the interface of UPF；And when UMF is independent community, then it can be arranged in UMF and be exclusively used in UMF and communicated with UPF
Interface.It is identical as the present embodiment in following embodiment, it repeats no more.
Fig. 7 is the flow chart that keep-alive is carried out between UPF and UMF according to the preferred embodiment of the invention, as shown in fig. 7, should
Figure, which describes, is timed inspection one embodiment living between UPF and UMF.UPF periodically sends inspection to UMF and lives in operating conditions
Request.UMF also periodically can send inspection request living to the UPF nodes of all preservations.If UMF does not receive some in some cycles
The inspection of UPF, which is lived, asks or examines response living, then judges that the UPF in operating conditions, does not delete the UPF nodal informations locally preserved, tool
Steps are as follows for body：
Step S702：UPF sends inspection request living to UMF timings.
Further, can include UPF node current loads information in inspection request living.
Further, if UPF ability informations change, it can includes the current ability informations of UPF to examine in request living
Or the ability information of variation.
Or UMF sends inspection request living to all UPF nodes timings are preserved.
Step S704：After UMF receives inspection request living, inspection response living is sent to UPF.
Or after UPF receives inspection request living, inspection response living is sent to UMF.
Step S706：UMF updates the UPF nodal informations locally preserved.
Further, UMF preserves the newest ability informations of UPF and information on load.
Fig. 8 is the flow chart of UMF selections UPF according to the preferred embodiment of the invention, as shown in figure 8, this Figure illustrates ends
When the request access network of end, UMF selects one embodiment of UPF, is as follows：
Step S802：Terminal request accesses network, and CPF is to send to obtain UPF request messages to UMF, further, request
It may include selecting auxiliary information in message.
The mode that CPF obtains UMF can be to be locally configured or DNS modes.Select auxiliary information including but not limited to：
CPF nodal informations (IP address or domain name), locations/regions information, QoS, APN, DCN (Dedicated Core Networks)
Information, network slice information, the type of service (such as UE Usage type) of UE requests or signing.
Step S804：The selection auxiliary information that UMF is carried according to CPF and the UPF node capacity informations locally preserved, and tie
UPF current loads information is closed, selects suitable UPF, and sent to CPF and obtain UPF response messages, response message includes selection
UPF nodal informations, nodal information can be identified as IP address or domain name.
Further, the correspondence of the recordable lower CPF nodal informations of UMF or CPF nodes and the UPF of selection, is used for
Subsequently with the communication of CPF, nodal information can be identified as IP address or domain name.
Step S806：CPF sends to the UPF selected and creates user data channel request message, by the medium surface of terminal
Forwarding channel is established on the UPF.
Step S808：UPF is that terminal establishes data forwarding channel, and returns to create user data channel and respond to CPF and disappear
Breath.
Above-mentioned CPF can be the control plane function of the SGW in EPC networks or SGW or PGW in PGW or EPC networks, or
It is responsible for the network function of session establishment in the following 5G network architectures.
Fig. 9 is the flow chart one that UMF according to the preferred embodiment of the invention reselects UPF, as shown in figure 9, the figure is retouched
It has stated terminal and mobile one embodiment for causing UMF to reselect UPF occurs, be as follows：
Step S902：Terminal has already accessed to network, and user data channel is established on UPF1.CPF detects end
End is mobile to result in position change, and CPF sends acquisition UPF request messages to UMF and can further be wrapped in request message again
The auxiliary information containing selection.
The mode that CPF obtains UMF can be to be locally configured or DNS modes.Select auxiliary information including but not limited to：
CPF nodal informations (IP address or domain name), locations/regions information, QoS, APN, DCN (Dedicated Core Networks)
Information, network slice information, the type of service (such as UE Usage type) of UE requests or signing.
Step S904：The selection auxiliary information that UMF is carried according to CPF and the UPF node capacity informations locally preserved, and tie
UPF current loads are closed, the UPF that current UPF1 is not optimal is judged, needs to re-establish the data forwarding channel of terminal
UPF2, and sent to CPF and obtain UPF response messages, response message include the UPF2 nodal informations that newly select, and nodal information can be with
It is identified as IP address or domain name.
Further, the correspondence of the recordable lower CPF nodal informations of UMF or CPF nodes and the UPF of selection, is used for
Subsequently with the communication of CPF, nodal information can be identified as IP address or domain name.
Step S906：CPF sends to the UPF2 newly selected and creates user data channel request message, by the media of terminal
Face forwarding channel is established on the UPF2.
Step S908：UPF2 is that terminal establishes data forwarding channel, and returns to create user data channel and respond to CPF and disappear
Breath.
Step S910：CPF is sent to UPF1 deletes user data channel request message, and notice UPF1 established terminal originally
Data forwarding data channel delete.
Step S912：UPF1 deletes the data forwarding channel established for terminal, and is returned to CPF and delete user data channel
Response message.
Above-mentioned CPF can be the control plane function of the SGW in EPC networks or SGW or PGW in PGW or EPC networks, or
It is responsible for the network function of session establishment in the following 5G network architectures.
Figure 10 is the flowchart 2 that UMF according to the preferred embodiment of the invention reselects UPF, as shown in Figure 10, the figure
One embodiment that UPF abnormal states cause UMF to reselect UPF is described, is as follows：
Step S1002：Terminal has already accessed to network, and user data channel is established on UPF1.UMF is lived by examining
Mechanism detects UPF1 abnormal states.
Step S1004：The CPF of all connections of UMF or all CPF transmission UPF state notification messages for having used UPF1,
Further, abnormal UPF nodal informations and state are may include in notification message.
Step S1006：CPF returns to UPF state notifying response messages to UMF.
Step S1008：CPF can again send to UMF and obtain UPF request messages so that data forwarding channel is moved to shape
The normal UPF of state further, in request message may include selecting auxiliary information.
Select auxiliary information including but not limited to：CPF nodal informations (IP address or domain name), locations/regions information, QoS,
APN, DCN (Dedicated Core Networks) information, network slice information, type of service (such as UE UE requests or contracted
Usage type) etc..
Step S1010：The selection auxiliary information that UMF is carried according to CPF and the UPF node capacity informations locally preserved, and
In conjunction with UPF current loads, the UPF that current UPF1 is not optimal is judged, need to re-establish the data forwarding channel of terminal
It to UPF2, and is sent to CPF and obtains UPF response messages, response message includes the UPF2 nodal informations newly selected, and nodal information can
To be identified as IP address or domain name.
Step S1012：CPF sends to the UPF2 newly selected and creates user data channel request message, by the matchmaker of terminal
Honorable forwarding channel is established on the UPF2.
Step S1014：UPF2 is that terminal establishes data forwarding channel, and is returned to CPF and create user data channel response
Message.
Above-mentioned CPF can be the control plane function of the SGW in EPC networks or SGW or PGW in PGW or EPC networks, or
It is responsible for the network function of session establishment in the following 5G network architectures.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but it is very much
In the case of the former be more preferably embodiment.Based on this understanding, technical scheme of the present invention is substantially in other words to existing
The part that technology contributes can be expressed in the form of software products, which is stored in a storage
In medium (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal equipment (can be mobile phone, calculate
Machine, server or network equipment etc.) execute method described in each embodiment of the present invention.
Device embodiment
A kind of device of management UPF is additionally provided in the present embodiment, and the device is for realizing above-described embodiment and preferably
Embodiment had carried out repeating no more for explanation.As used below, predetermined function may be implemented in term " module "
The combination of software and/or hardware.Although device described in following embodiment is preferably realized with software, hardware, or
The realization of the combination of person's software and hardware is also that may and be contemplated.
Figure 11 is the structure diagram of the device of management UPF according to the ... of the embodiment of the present invention, as shown in figure 11, the device packet
It includes：Acquisition module 112, the ability information for obtaining one or more of predeterminable area UPF；Selecting module 114, with acquisition
Module 112 is connected, for accessing CPF from one or more of UPF according to the ability information of one or more of UPF
The specified UPF of terminal selection.
Optionally, the device of above-mentioned management UPF is defined herein as network function (UMF, the UPF of management UPF
Management Function), but it is not limited to this.
Optionally, one or more of UPF can be under the jurisdiction of one or more CPF, these CPF can be identical or not
The CPF of same type, such as can be SGW CPF, can also be PGW CPF etc..
Optionally, the ability information can include but is not limited at least one of：UPF nodal informations (such as IP
Location or domain name), QoS abilities, the APN information of support, support (DCN, Dedicated Core Networks) information, network
Slice information, type of service of support etc..
Optionally, the device (UMF) of above-mentioned management UPF can be independent entity, can also merge portion in systems
In part, for example, when UMF and CPF unify, then in the present embodiment the interface of UMF and UPF be CPF and UPF interface expansion
Exhibition；When UMF and SDN controller unifies, then in the present embodiment the interface of UMF and UPF be SDN controller with
The extension of the interface of UPF；And when UMF is independent community, then it can be arranged in UMF and be exclusively used in UMF and communicated with UPF
Interface.
Optionally, the selecting module 114 can be also used for：Obtain the selection auxiliary information of the CPF；According to described
The ability information of the selection auxiliary information and one or more of UPF of CPF, one or from the multiple UPF for access CPF
The specified UPF of terminal selection.
Optionally, the selecting module 114 can be also used for：Obtain the current loads information of one or more of UPF；
According to the ability information of the selection auxiliary information and one or more of UPF of the CPF, and combine one or more of
The current loads information of UPF, the UPF specified for the terminal selection of access CPF from the multiple one or UPF.
Optionally, the selection auxiliary information can include but is not limited at least one of：CPF nodal informations, position/
Area information, QoS information, APN information, DCN information, network slice information, the type of service of UE requests or signing.
Optionally, described device can also include：Sending module, for sending the specified UPF's to the CPF
UPF nodal informations.
Optionally, described device can also include：Logging modle, pair for recording the CPF and the specified UPF
It should be related to.
Optionally, described device can also include：First receiving module, the acquisition UPF sent for receiving preset CPF
Request message, wherein the preset CPF is by being locally configured or DNS modes configure.
Optionally, described device can also include：Second receiving module, for receiving described one in the predeterminable area
The registration request that each UPF in a or multiple UPF is sent when powering on carries each UPF's in the registration request
Ability information and location information；Preserving module, ability information and location information for preserving each UPF.
Optionally, described device can also include：Third receiving module, for receiving described one in the predeterminable area
What a UPF in a or multiple UPF was sent in lower electricity removes registration request；Removing module, for deleting the institute locally preserved
State the ability information and location information of a UPF.
Optionally, described device can also include：Detection module, for detecting whether receiving in the predeterminable area
The inspection that a UPF in one or more of UPF is sent, which is lived, to be asked or responds；Do not receiving what one UPF was sent
In the case of inspection request living or response, the ability information and location information of the one UPF locally preserved are deleted.
Optionally, described device can also include：Update module, for living in the inspection for receiving one UPF transmissions
In the case of request or response, the current loads information and/or energy of one UPF are obtained from inspection request living or response
Force information；And update the one UPF's locally preserved according to the current loads information and/or ability information of acquisition
Current loads information and/or ability information.
It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong
Following manner realization is crossed, but not limited to this：Above-mentioned module is respectively positioned in same processor；Alternatively, above-mentioned modules are with arbitrary
The form of combination is located in different processors.
In the present embodiment, the device (UMF) of another management UPF is additionally provided, Figure 12 is according to embodiments of the present invention
Another UMF hardware block diagram, as shown in figure 12, UMF120 may include one or more (one is only shown in figure)
(processor 122 can include but is not limited to the processing dress of Micro-processor MCV or programmable logic device FPGA etc. to processor 122
Set), the memory 124 for storing the processor-executable instruction and for according to the control of the processor carry out
The transmitting device 126 of information transmit-receive communication.It will appreciated by the skilled person that structure shown in Figure 12 is only to illustrate,
It does not cause to limit to the structure of above-mentioned electronic device.For example, UMF120 may also include than shown in Figure 12 more or more
Few component, or with the configuration different from shown in Figure 12.
Memory 124 can be used for storing the software program and module of application software, such as the management in the embodiment of the present invention
Corresponding program instruction/the module of method of UPF, processor 122 by operation be stored in software program in memory 124 and
Module realizes above-mentioned method to perform various functions application and data processing.Memory 124 may include high speed with
Machine memory, may also include nonvolatile memory, as one or more magnetic storage device, flash memory or other it is non-easily
The property lost solid-state memory.In some instances, memory 124 can further comprise remotely located relative to processor 122 deposit
Reservoir, these remote memories can pass through network connection to UMF120.The example of above-mentioned network include but not limited to internet,
Intranet, LAN, mobile radio communication and combinations thereof.
Transmitting device 126 be used for according to the control of the processor 122 carry out information transmit-receive, the transmitting device 126 with
One or more of predeterminable area UPF is connected；
Wherein, the processor 122 executes following operation for controlling transmission device 126：
Obtain the ability information of one or more of UPF；
Terminal according to the ability information of one or more of UPF for access CPF from one or more of UPF is selected
Select specified UPF.
Optionally, the device (UMF) of above-mentioned management UPF can be independent entity, can also merge portion in systems
In part, for example, when UMF and CPF unify, then in the present embodiment the interface of UMF and UPF be CPF and UPF interface expansion
Exhibition；When UMF and SDN controller unifies, then in the present embodiment the interface of UMF and UPF be SDN controller with
The extension of the interface of UPF；And when UMF is independent community, then it can be arranged in UMF and be exclusively used in UMF and communicated with UPF
Interface.
System embodiment
In the present embodiment, a kind of system of management UPF is provided, Figure 13 is management UPF according to the ... of the embodiment of the present invention
System structure diagram, as shown in figure 13, which includes：
One or more UPF132 are located in predeterminable area；
One or more CPF134 are connected with the part in one or more UPF132 respectively, one for controlling
Or each section UPF in multiple UPF；
As shown in Figure 11 or 12 manage UPF device 136 (be not shown in internal structure Figure 13, with reference to figure 11 and 12),
It is connected with one or more of UPF132, for being managed to one or more of UPF132.
Storage medium embodiment
The embodiments of the present invention also provide a kind of storage mediums.Optionally, in the present embodiment, above-mentioned storage medium can
To be arranged to store the program code for executing following steps：
Step S302 obtains the ability information of one or more of predeterminable area UPF；
Step S304, according to the ability information of one or more of UPF from one or more of UPF for access
The UPF that the terminal selection of CPF is specified.
Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to：USB flash disk, read-only memory (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disc or
The various media that can store program code such as CD.
Optionally, the specific example in the present embodiment can refer to described in above-described embodiment and optional embodiment
Example, details are not described herein for the present embodiment.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be with different from shown in sequence execution herein
The step of going out or describing, either they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (33)
1. a kind of method of management user plane functions UPF, which is characterized in that including：
Obtain the ability information of one or more of predeterminable area UPF；
According to the ability information of one or more of UPF for access control plane function CPF's from one or more of UPF
The specified UPF of terminal selection.
2. according to the method described in claim 1, it is characterized in that, one or more of UPF are under the jurisdiction of one or more phases
Same or different types of CPF.
3. according to the method described in claim 1, it is characterized in that, according to the ability information of one or more of UPF from institute
It states in one or more UPF and includes for the specified UPF of the terminal selection of access CPF：
Obtain the selection auxiliary information of the CPF；
According to the ability information of the selection auxiliary information and one or more of UPF of the CPF, from one or more of
The UPF specified for the terminal selection of access CPF in UPF.
4. according to the method described in claim 3, it is characterized in that, according to the selection auxiliary information of the CPF and one
Or the ability information of multiple UPF, include for the specified UPF of the terminal selection of access CPF from one or more of UPF：
Obtain the current loads information of one or more of UPF；
According to the ability information of the selection auxiliary information and one or more of UPF of the CPF, and combine one or more
The current loads information of a UPF, the UPF specified for the terminal selection of access CPF from one or more of UPF.
5. according to the method described in claim 3, it is characterized in that, the selection auxiliary information includes at least one of：
CPF nodal informations, locations/regions information, QoS information, APN information, DCN information, network slice information, UE requests or label
Type of service about.
6. according to the method described in claim 1, it is characterized in that, according to the ability information of one or more of UPF from
After the UPF specified for the terminal selection of access CPF in one or more of UPF, further include：
The UPF nodal informations of the specified UPF are sent to the CPF.
7. according to the method described in claim 1, it is characterized in that, according to the ability information of one or more of UPF from
After the UPF specified for the terminal selection of access CPF in the multiple UPF, further include：
Record the correspondence of the CPF and the specified UPF.
8. according to the method described in claim 1, it is characterized in that, according to the ability information of one or more of UPF from
Before the UPF specified for the terminal selection of access CPF in one or more of UPF, further include：
Receive the acquisition UPF request messages that preset CPF is sent, wherein the preset CPF is by being locally configured or DNS
Mode configures.
9. according to the method described in claim 1, it is characterized in that, in the energy for obtaining one or more of predeterminable area UPF
Before force information, further include：
Receive the registration request that each UPF in one or more of UPF in the predeterminable area is sent when powering on, institute
State the ability information and location information that each UPF is carried in registration request；
Preserve the ability information and location information of each UPF.
10. according to the method described in claim 9, it is characterized in that, the method further includes：
Receive that a UPF in one or more of UPF in the predeterminable area sends in lower electricity removes registration request；
Delete the ability information and location information of the one UPF locally preserved.
11. according to the method described in claim 1, it is characterized in that, the method further includes：
Detect whether to receive the inspection work request that a UPF in one or more of UPF in the predeterminable area is sent
Or response；
In the case where not receiving the inspection work request or response that one UPF is sent, deletion locally preserves one
The ability information and location information of UPF.
12. according to the method for claim 11, which is characterized in that the method further includes：
In the case where receiving the inspection work request or response that one UPF is sent, obtained from inspection request living or in responding
Take the current loads information and/or ability information of one UPF；
The current of the one UPF locally preserved according to the update of the current loads information and/or ability information of acquisition is born
Lotus information and/or ability information.
13. according to the method for claim 11, which is characterized in that do not receiving inspection request living or responding corresponding UPF
In the case of for the specified UPF, the method further includes：
Repeat the step of obtaining one or more of the predeterminable area ability information of UPF.
14. according to the method described in claim 1, it is characterized in that, detecting that the position of the terminal becomes in the CPF
In the case of more, the method further includes：
Repeat the step of obtaining one or more of the predeterminable area ability information of UPF.
15. the method according to any one of claim 1 to 14, which is characterized in that the ability information include with down toward
It is one of few：
UPF nodal informations, QoS abilities, the APN information of support, the DCN information of support, network slice information, the service class of support
Type.
16. the method according to any one of claim 1 to 14, which is characterized in that by least one following interface with
One or more of UPF are communicated：
Interface between CPF and UPF；
Interface between SDN controllers and UPF；
It is exclusively used in the interface communicated with one or more of UPF.
17. a kind of device of management user plane functions UPF, which is characterized in that including：
Acquisition module, the ability information for obtaining one or more of predeterminable area UPF；
Selecting module, for being controlled for access from one or more of UPF according to the ability information of one or more of UPF
The UPF that the terminal selection of function CPF in face processed is specified.
18. device according to claim 17, which is characterized in that one or more of UPF are under the jurisdiction of one or more
The CPF of identical or different type.
19. device according to claim 17, which is characterized in that the selecting module is additionally operable to：
Obtain the selection auxiliary information of the CPF；
According to the ability information of the selection auxiliary information and one or more of UPF of the CPF, from one or more of
The UPF specified for the terminal selection of access CPF in UPF.
20. device according to claim 19, which is characterized in that the selecting module is additionally operable to：
Obtain the current loads information of one or more of UPF；
According to the ability information of the selection auxiliary information and one or more of UPF of the CPF, and combine one or more
The current loads information of a UPF, the UPF specified for the terminal selection of access CPF from one or more of UPF.
21. device according to claim 19, which is characterized in that the selection auxiliary information includes at least one of：
CPF nodal informations, locations/regions information, QoS information, APN information, DCN information, network slice information, UE requests or label
Type of service about.
22. device according to claim 17, which is characterized in that described device further includes：
Sending module, the UPF nodal informations for sending the specified UPF to the CPF.
23. device according to claim 17, which is characterized in that described device further includes：
Logging modle, the correspondence for recording the CPF and the specified UPF.
24. device according to claim 17, which is characterized in that described device further includes：
First receiving module, the acquisition UPF request messages sent for receiving preset CPF, wherein the preset CPF is logical
It crosses and is locally configured or DNS modes configure.
25. device according to claim 17, which is characterized in that described device further includes：
Second receiving module, for receiving each UPF in one or more of UPF in the predeterminable area when powering on
The registration request of transmission carries the ability information and location information of each UPF in the registration request；
Preserving module, ability information and location information for preserving each UPF.
26. device according to claim 25, which is characterized in that described device further includes：
Third receiving module, for receiving a UPF in one or more of UPF in the predeterminable area in lower electricity
What is sent removes registration request；
Removing module, ability information and location information for deleting the one UPF locally preserved.
27. device according to claim 17, which is characterized in that described device further includes：
Detection module, for detecting whether receiving the UPF hairs in one or more of UPF in the predeterminable area
The inspection sent, which is lived, to be asked or responds；
In the case where not receiving the inspection work request or response that one UPF is sent, deletion locally preserves one
The ability information and location information of UPF.
28. device according to claim 27, which is characterized in that described device further includes：
Update module, in the case where receiving the inspection work request or response that one UPF is sent, being asked from inspection work
Ask or obtained in responding the current loads information and/or ability information of one UPF；And
The current of the one UPF locally preserved according to the update of the current loads information and/or ability information of acquisition is born
Lotus information and/or ability information.
29. the device according to any one of claim 17 to 28, which is characterized in that the ability information include with down toward
It is one of few：
UPF nodal informations, QoS abilities, the APN information of support, the DCN information of support, network slice information, the service class of support
Type.
30. the device according to any one of claim 17 to 28, which is characterized in that described device with it is one or more
The interface that a UPF is communicated includes at least one of：
Interface between CPF and UPF；
Interface between SDN controllers and UPF；
It is exclusively used in the interface communicated with one or more of UPF.
31. a kind of device of management user plane functions UPF, which is characterized in that including：
Processor；
Memory for storing the processor-executable instruction；
In transmitting device for carrying out information transmit-receive according to the control of the processor, the transmitting device and predeterminable area
One or more UPF are connected；
Wherein, the processor executes following operation for controlling the transmitting device：
Obtain the ability information of one or more of UPF；
According to the ability information of one or more of UPF for access control plane function CPF's from one or more of UPF
The specified UPF of terminal selection.
32. device according to claim 31, which is characterized in that the transmitting device and multiple users in predeterminable area
Interface connected face function UPF includes at least one of：
Interface between CPF and UPF；
Interface between SDN controllers and UPF；
It is exclusively used in the interface communicated with one or more of UPF.
33. a kind of system of management user plane functions UPF, which is characterized in that including：
One or more UPF are located in predeterminable area；
One or more control plane function CPF are respectively used to control each section UPF in one or more of UPF；
The device of management UPF as described in any one of claim 17 to 32, is connected with one or more of UPF, is used for
One or more of UPF are managed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610798746.0A CN108307402A (en) | 2016-08-31 | 2016-08-31 | Manage the method, apparatus and system of UPF |
| PCT/CN2017/098849 WO2018041000A1 (en) | 2016-08-31 | 2017-08-24 | Upf management method, device, and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610798746.0A CN108307402A (en) | 2016-08-31 | 2016-08-31 | Manage the method, apparatus and system of UPF |
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| CN108307402A true CN108307402A (en) | 2018-07-20 |
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| CN108924849A (en) * | 2017-04-01 | 2018-11-30 | 华为技术有限公司 | A kind of session connection method for building up and control plane network element |
| CN110602803A (en) * | 2019-10-15 | 2019-12-20 | 广州爱浦路网络技术有限公司 | Method for limiting user terminal to access UPF |
| WO2020034812A1 (en) * | 2018-08-13 | 2020-02-20 | 中国移动通信有限公司研究院 | User plane function configuration method, device and apparatus |
| CN111107611A (en) * | 2018-10-29 | 2020-05-05 | 大唐移动通信设备有限公司 | Method and device for selecting user plane function |
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