CN110519825A - Processing method, device, relevant device and the storage medium of routing strategy - Google Patents
Processing method, device, relevant device and the storage medium of routing strategy Download PDFInfo
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- CN110519825A CN110519825A CN201810491041.3A CN201810491041A CN110519825A CN 110519825 A CN110519825 A CN 110519825A CN 201810491041 A CN201810491041 A CN 201810491041A CN 110519825 A CN110519825 A CN 110519825A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/28—Routing or path finding of packets in data switching networks using route fault recovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/34—Modification of an existing route
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Abstract
The invention discloses a kind of processing method of routing strategy, device, policy control functions (PCF), user plane functions (UPF), conversation management functional (SMF) and storage mediums.Wherein, method includes: the routing error instruction that PCF receives UPF notice；The routing error indicates it is that the UPF is notified when determining the data flow for itself not supporting routing to carry out self terminal；The PCF is indicated based on the routing error, provides routing strategy for the terminal.
Description
Technical field
The present invention relates to wireless communication fields more particularly to a kind of processing method of routing strategy, device, correlation to set
Standby and storage medium.
Background technique
5th third-generation mobile communication (5G) network architecture has used for reference information to control forwarding decoupling as basic design principle
Enterprise SOA (SOA, Service-Oriented Architecture) in technology (IT) and software architecture, in incognito
The theory of business functionally and logically based on mobile communication system to the design that the network architecture is reformed, proposes serviceization
Framework (SBA, Service-based Architecture), several relatively independent service network consistings that can be flexibly called
Function, these functions provide its service by unified interface for the network function of any license.
In newest third generation partner program (3GPP) TS23.503 agreement, user equipment Route Selection is defined
The concept of tactful (URSP, UE Route Selection Policy).URSP is user equipment (UE, User Equipment)
Whether the application program (APP) for confirmly detecting can be associated with protocol Data Unit (PDU) session of foundation, if
The non-3 GPP access that can be discharged into except PDU session, or whether can trigger and establish new PDU session.
When the URSP of selection inappropriate (for example random or default choice or URSP is wrong), UE may
Select an inappropriate PDU come the data flow that sends the APP for the data flow of the APP on UE, then, where the PDU session
User plane functions (UPF) may not support the functional requirement of the APP data flow, at this point, business will likely interrupt, thus seriously
Influence user experience.
Summary of the invention
To solve existing technical problem, the embodiment of the present invention provide a kind of routing strategy processing method,
Device, relevant device and storage medium.
The technical solution of the embodiment of the present invention is achieved in that
The embodiment of the invention provides a kind of processing methods of routing strategy, are applied to policy control functions (PCF),
The described method includes:
Receive the routing error instruction of UPF notice；Routing error instruction is that the UPF is determined and itself do not supported to route
To notify when a data flow of self terminal；
It is indicated based on the routing error, provides routing strategy for the terminal.
In above scheme, the routing error instruction for receiving UPF notice, comprising:
The routing error instruction of the UPF notice is received by conversation management functional (SMF)；
Or directly receive the routing error instruction of UPF notice.
In above scheme, the routing error instruction of directly received UPF notice is sent by following one mode:
Send the mode of message；
The PCF is called to service or call the mode of the UPF service.
In above scheme, when providing routing strategy for the terminal, the method also includes:
Routing strategy is issued by access and mobile management function to ps domain (AMF) Xiang Suoshu terminal.
The embodiment of the invention also provides a kind of processing methods of routing strategy, are applied to UPF, the method packet
It includes:
When not supporting routing to carry out a data flow of self terminal, notice PCF routing error instruction.
In above scheme, the method also includes:
Receive the data flow from the terminal；
Routing capabilities determination according to itself is not supported to route the data flow.
In above scheme, the routing capabilities determination according to itself is not supported to route the data flow, comprising:
Using the received data flow, the type of the corresponding application APP of the data flow is determined；
By the corresponding routing capabilities of the type of the APP and the routing capabilities itself supported or the routing capabilities that are configured into
Row matching；
When the corresponding routing capabilities of the type of the APP and the routing capabilities itself supported or the routing capabilities that are configured not
When matching, determination is not supported to route the data flow.
It is described to utilize the received data flow in above scheme, it determines the type of the corresponding APP of the data flow, wraps
It includes:
Deep message is carried out by the data packet to the data flow and detects DPI, determines the corresponding APP's of the data flow
Type.
In above scheme, the notice PCF routing error instruction, comprising:
The PCF routing error is notified to indicate by conversation management functional SMF；
Alternatively, the PCF routing error is directly notified to indicate.
It is described to notify the PCF routing error to indicate by SMF in above scheme, comprising:
The PCF routing error is notified to indicate by way of sending message to the SMF；Alternatively, by described in calling
SMF services or calls the mode of the UPF service that the PCF routing error is notified to indicate.
It is described that the PCF routing error is directly notified to indicate in above scheme, comprising:
The PCF routing error is notified to indicate by way of sending message to the PCF；Alternatively, by described in calling
PCF services or calls the mode of the UPF service that the PCF routing error is notified to indicate.
The embodiment of the present invention provides a kind of processing method of routing strategy again, is applied to SMF, the method packet
It includes:
Receive the routing error instruction that UPF is sent；Routing error instruction is that the UPF is determined and itself do not supported to route
To send when a data flow of self terminal；
The instruction of received routing error is sent to PCF.
In above scheme, the received routing error instruction is to send one of in the following manner:
Send the mode of message；
The SMF is called to service or call the mode of the UPF service.
The embodiment of the invention also provides a kind of processing unit of routing strategy, device includes:
First receiving unit, for receiving the routing error instruction of UPF notice；The routing error instruction is the UPF
It is notified when determining the data flow for itself not supporting routing to carry out self terminal；
Unit is provided, for indicating based on the routing error, provides routing strategy for the terminal.
In above scheme, the offer unit, for issuing routing strategy to the terminal by AMF.
The embodiment of the present invention provides a kind of processing unit of routing strategy again, and device includes:
Determination unit；
Notification unit, for notifying PCF when the determination unit determines the data flow for not supporting routing to carry out self terminal
Routing error instruction.
In above scheme, the determination unit is used for:
Receive the data flow from the terminal；
Routing capabilities determination according to UPF is not supported to route the data flow.
The embodiment of the invention also provides a kind of processing unit of routing strategy, device includes:
Second receiving unit, for receiving the routing error instruction of UPF transmission；The routing error instruction is the UPF
It is sent when determining the data flow for itself not supporting routing to carry out self terminal；
Transmission unit, for the instruction of received routing error to be sent to PCF.
In above scheme, the received routing error instruction is to send one of in the following manner:
Send the mode of message；
The SMF is called to service or call the mode of the UPF service.
The embodiment of the invention also provides a kind of PCF, comprising:
Third processor；
Third communication interface, for receiving the routing error instruction of UPF notice；The routing error instruction is the UPF
It is notified when determining the data flow for itself not supporting routing to carry out self terminal；And institute is based under the control of the third processor
Routing error instruction is stated, provides routing strategy for terminal.
In above scheme, the third communication interface, for issuing routing strategy to the terminal by AMF.
The embodiment of the present invention provides a kind of UPF again, comprising:
First processor；
First communication interface, for when the first processor determine do not support routing come self terminal a data flow when,
Notify the instruction of PCF routing error.
In above scheme, first communication interface is also used to receive the data flow from the terminal；
The first processor, is used for: the routing capabilities determination according to UPF itself is not supported to route the data flow.
The embodiment of the present invention provides a kind of SMF again, comprising:
Second processor；
Second communication interface, for receiving the routing error instruction of UPF transmission；The routing error instruction is the UPF
It is sent when determining the data flow for itself not supporting routing to carry out self terminal；And it will be received under the control of the second processor
Routing error instruction be sent to PCF.
In above scheme, the received routing error instruction is to send one of in the following manner:
Send the mode of message；
The SMF is called to service or call the mode of the UPF service.
The embodiment of the invention also provides a kind of PCF, comprising: third processor and for store can transport on a processor
The third memory of capable computer program,
Wherein, the third processor is for executing the step of the above-mentioned side PCF either method when running the computer program
Suddenly.
The embodiment of the invention also provides a kind of UPF, comprising: first processor and for store can transport on a processor
The first memory of capable computer program,
Wherein, the first processor is for executing the step of the above-mentioned side UPF either method when running the computer program
Suddenly.
Include: second processor the embodiment of the invention also provides a kind of SMF and can be transported on a processor for storing
The second memory of capable computer program,
Wherein, the second processor is for executing the step of the above-mentioned side SMF either method when running the computer program
Suddenly.
The embodiment of the invention also provides a kind of storage mediums, are stored thereon with computer program, the computer program
The step of above-mentioned side PCF either method is realized when being executed by processor, or the step of realizing the side UPF either method, Huo Zheshi
The step of existing above-mentioned side SMF either method.
Processing method, device, relevant device and the storage medium of routing strategy provided in an embodiment of the present invention, when
When UPF does not support to come a data flow of self terminal, notice PCF routing error instruction；PCF is indicated based on the routing error, is
The terminal provides routing strategy.When UPF does not support data flow, to PCF notice routing error instruction, enable PCF
It is enough to be indicated in time based on routing error, update URSP for terminal so that terminal can the URSP based on update be accurately institute
It states data flow and selects appropriate PDU, so that the ability need of the ability and data flow of UPF meets, guarantee the continuity of business, mention
Rise user experience.
Detailed description of the invention
Fig. 1 is 5G of embodiment of the present invention network architecture schematic diagram；
Fig. 2 is the processing method flow diagram of the side UPF of embodiment of the present invention routing strategy；
Fig. 3 is the processing method flow diagram of the side SMF of embodiment of the present invention routing strategy；
Fig. 4 is the processing method flow diagram of the side PCF of embodiment of the present invention routing strategy；
Fig. 5 is the processing method flow diagram of routing strategy of the embodiment of the present invention；
Fig. 6 is the processing device structure diagram for the routing strategy that UPF is arranged in the embodiment of the present invention；
Fig. 7 is the processing device structure diagram for the routing strategy that SMF is arranged in the embodiment of the present invention；
Fig. 8 is the processing device structure diagram for the routing strategy that PCF is arranged in the embodiment of the present invention；
Fig. 9 is UPF of embodiment of the present invention structural schematic diagram；
Figure 10 is SMF of embodiment of the present invention structural schematic diagram；
Figure 11 is PCF of embodiment of the present invention structural schematic diagram；
Figure 12 is the processing system structural schematic diagram of routing strategy of the embodiment of the present invention.
Specific embodiment
Before the technical solution to the embodiment of the present invention is described in detail, first to the 5G system of the embodiment of the present invention
Framework is briefly described.
As shown in Figure 1,5G network proposes SBA, several relatively independent service network consisting function that can be flexibly called
Can, these functions provide its service by unified interface for other network functions of any license.
Mainly include following network element in 5G core net:
AMF: it is responsible for the functions such as Network access control, registration management, connection management, the mobile management of 5G user；
SMF: it is responsible for life cycle management, the IP address distribution, data Route Selection, business continuance of the session of 5G user
The functions such as management, policing rule matching and charge on traffic processing；
UPF: it is responsible for the functions such as routing forwarding, business identification and the strategy execution of user data message；
Uniform data stores (UDR): being responsible for the storage of the open data of 5G user data, policy data and ability；
User contracting data management (UDM): it is responsible for the functions such as authentication, the mobile management of 5G user；
PCF: the tactical management of non-session class and the binding sessions, session such as access control, the slice selection of 5G user are provided
The functions such as the management of conversation class strategy such as control, service quality (QoS) control, charging control；
Network is sliced selection function (NSSF): auxiliary carries out the slice example selection of 5G network；
Short message service function (SMSF): sending and receiving for short message service is carried out by Non-Access Stratum (NAS) signaling；
Binding session function (BSF): the binding session service of 5G core network internal is provided；
Network service function register function (NRF): it is responsible for the registration and discovery of each network element service function of core net；
Ability is open function (NEF): being responsible for opening the service ability and information of 5G core net to external network；
Network data analysis function (NWDAF): it is responsible for acquiring and analyzing network state information (such as congestion feelings of network slice
Condition), and strategic decision-making information is provided to policy control functions network element.
Meanwhile 3GPP TS23.503 agreement in, define the concept of URSP.URSP is that terminal is used to determine detection
Whether the APP arrived can be associated with the PDU session of foundation, if the non-3 GPP access that can be discharged into except PDU session,
Or whether can trigger and establish new PDU session.
URSP contains flow description, and as specific APP data flow specifies matching rule, for example, certain APP on specified UE
Data flow should use which kind of business continuance (SSC) mode (mode), it should using which be sliced, it should using which count
According to network name (DNN, Data Network Name), if flow should be unloaded to to unaware the net of non-3 GPP access
Network etc..
URSP can be pre-configured in terminal local, and AMF can also be supplied to by PCF, then be mentioned by N1 interface by AMF
Terminal is supplied, AMF must not change the URSP of PCF offer in this process.
The present invention is described in further detail again with reference to the accompanying drawings and embodiments.
When in terminal without configuration or when being only configured with part URSP, terminal by for the data flow of APP thereon it is random
Selection one selects the PDU of default to send the data of the APP.
Be there are also a kind of situation: when the URSP configured in terminal is wrong, terminal may be the data flow of APP thereon
An inappropriate PDU is selected to send the data of the APP.
For above-mentioned two situations, the UPF where the PDU session may not support the functional requirement of the APP data flow (no
Support to route the data flow of the APP), that is to say, that when URSP configures incomplete or configuration error, will lead to the ability of UPF with
The ability need of APP data flow is not met, at this point, business will likely interrupt, seriously affects user experience.
Based on this, in various embodiments of the present invention, when UPF does not support to come a data flow of self terminal, PCF is notified
Routing error instruction；PCF is indicated based on the routing error, provides routing strategy for the terminal, the as described terminal
Update URSP.
Scheme provided in an embodiment of the present invention, when UPF does not support data flow, to PCF notice routing error instruction, so that
PCF can in time based on routing error indicate, for terminal update URSP so that terminal can the URSP based on update it is accurate
Appropriate PDU is selected for the data flow, so that the ability need of the ability and data flow of UPF meets, guarantees the continuous of business
Property, promote user experience.In other words, scheme provided in an embodiment of the present invention is able to solve when the URSP configuration in terminal is not complete
Or the problem of ability need of the ability and data flow of UPF is not inconsistent when configuration error.
The embodiment of the invention provides a kind of processing methods of routing strategy, are applied to UPF, as shown in Fig. 2, the party
Method includes:
Step 201: determining the data flow for not supporting routing to carry out self terminal；
Here, the data flow refers to: the data flow of APP.
When practical application, before executing step 201, the UPF first receives the data flow from the terminal；
Routing capabilities determination according to itself is not supported to route the data flow.
That is, the UPF can not handle the data flow (such as the data flow according to itself routing capabilities
The function that the requirements such as continuity and/or slice information etc. and UPF itself are provided is not met).
Wherein, the routing capabilities determination according to itself is not supported to route the data flow, comprising:
Using the received data flow, the type of the corresponding application APP of the data flow is determined；
By the corresponding routing capabilities of the type of the APP and the routing capabilities itself supported or the routing capabilities that are configured into
Row matching；
When the corresponding routing capabilities of the type of the APP and the routing capabilities itself supported or the routing capabilities that are configured not
When matching, determination is not supported to route the data flow.
Here, described to utilize the received data flow, determine the type of the corresponding APP of the data flow, comprising:
DPI is carried out by the data packet to the data flow, determines the type of the corresponding APP of the data flow.
That is, being capable of detecting when which class APP is the data flow belong to by carrying out DPI to the data flow.
The routing capabilities that the UPF itself is supported refer to the routing capabilities that itself software function of the UPF is supported；It is described
The routing capabilities being configured refer to: the routing capabilities configured by operator.By operator configure routing capabilities likely to be less than
The routing capabilities that itself software function of the UPF is supported.
Wherein, the routing capabilities specifically may is that the DNN that UPF is supported, the SSC mode of support, the position where the UPF
It sets, the type for the APP that can be supported, the slice etc. which is supported.
When the corresponding road tourism ability of the type of the APP and UPF itself routing capabilities supported or the routing being configured
When ability matches, determines and support to route the data flow, at this point, routing relevant treatment will be carried out to the data flow.
Step 202: when not supporting routing to carry out certain data flow of self terminal, notice PCF routing error instruction.
Here, the routing error instruction is used to indicate the PCF and provides routing strategy for terminal.
The routing error instruction is referred to as mismatching instruction.
The routing strategy refers to URSP.
When practical application, it is wrong that the routing error instruction may include UE IP address, APP type or APP ID, URSP
Mistake/URSP reassigns the contents such as instruction (or referred to as routing error indicates).
The routing error instruction also may include UE IP address, APP type or the new URSP of APP ID//suggestion etc.
Content updates URSP so that the PCF can be designated as the terminal using routing error.
In one embodiment, the UPF can notify the PCF routing error to indicate by SMF, can also directly notify
The PCF routing error instruction.
That is, UPF can directly notify PCF, and without SMF.
It is wherein, described to notify the PCF routing error to indicate by SMF, comprising:
The PCF routing error is notified to indicate by way of sending message to the SMF；Alternatively, by described in calling
SMF services or calls the mode of the UPF service that the PCF routing error is notified to indicate.
Wherein, the UPF is referred to routing error by way of calling the SMF service or the UPF is called to service
Show and be sent to the SMF, routing error instruction is sent to the PCF by the SMF (specifically can be by calling the side serviced
Routing error instruction is sent to PCF, such as the Notify that SMF can call the Nsmf_EventExposure of itself to service by formula
Operate the transmission to realize routing error instruction).
It is described that the PCF routing error is directly notified to indicate, comprising:
The PCF routing error is notified to indicate by way of sending message to the PCF；Alternatively, by described in calling
PCF services or calls the mode of the UPF service that the PCF routing error is notified to indicate.
Wherein, the interactive mode between UPF and SMF, between UPF and PCF can be by the way of service call, can also be with
By the way of message transmission.
Here, the mode for sending message, is used between two network functions (NF) for Peer to Peer Architecture
Fixed interface is realized by way of sending out message when interactively with each other.
The mode of the service call is handed over by the way of service call between NF for serviceization framework
Mutually, it is similar to function call.
For example for, UPF can call the service of UPF itself, such as event exposure service Npcf_
Routing error instruction is sent to SMF or PCF by EventExposure；
UPF can also call SMF perhaps the conversational services Nsmf_PDUSession or PCF of the service such as SMF of PCF
Routing error instruction is sent to SMF or PCF by policy control service etc..
Accordingly, the embodiment of the invention also provides a kind of processing methods of routing strategy, are applied to SMF, such as Fig. 3
It is shown, this method comprises:
Step 301: receiving the routing error instruction that UPF is sent；
Here, as previously mentioned, routing error instruction is that the UPF determines itself do not support routing to carry out self terminal one
It is sent when data flow.
Step 302: the instruction of received routing error is sent to PCF.
Here, as previously mentioned, routing error instruction is sent to the PCF by way of calling service by the SMF.
Correspondingly, the embodiment of the invention also provides a kind of processing methods of routing strategy, are applied to PCF, such as Fig. 4
It is shown, this method comprises:
Step 401: receiving the routing error instruction of UPF notice；
Here, as previously mentioned, routing error instruction is that the UPF determines itself do not support routing to carry out self terminal one
It is notified when data flow.
As previously mentioned, the UPF can also be notified directly by the way that the PCF routing error can be notified to indicate by SMF
The PCF routing error instruction.
Based on this, the PCF can receive the routing error instruction of the UPF notice, i.e., the described PCF by the SMF
Receive the routing error instruction for the UPF notice that the SMF is sent.
The PCF can also directly receive the routing error instruction of UPF notice, that is to say, that described in the PCF is received
The routing error instruction that UPF is directly transmitted.
Step 402: being indicated based on the routing error, provide routing strategy for the terminal.
That is, the PCF is indicated based on the routing error, decision uses new URSP, issues for the terminal
New URSP.
In one embodiment, the PCF issues routing strategy to the terminal by AMF.Wherein, the PCF can
To call relevant process, the URSP of the terminal is updated by AMF etc..
The embodiment of the invention also provides a kind of processing methods of routing strategy, as shown in figure 5, this method comprises:
Step 501: when not supporting routing to carry out a data flow of self terminal, UPF notifies the instruction of PCF routing error；
Step 502: after the PCF receives routing error instruction, being indicated based on the routing error, mentioned for the terminal
For routing strategy.
Here, it should be understood that the concrete processing procedure of each network element is as detailed above, which is not described herein again.
The processing method of routing strategy provided in an embodiment of the present invention, when do not support routing come self terminal a data
When stream, UPF notifies the instruction of PCF routing error；After the PCF receives routing error instruction, indicated based on the routing error,
Routing strategy is provided for the terminal, when UPF does not support data flow, to PCF notice routing error instruction, so that PCF
Can in time based on routing error indicate, for terminal update URSP so that terminal can the URSP based on update be accurately
The data flow selects appropriate PDU, so that the ability need of the ability and data flow of UPF meets, guarantees the continuity of business,
Promote user experience.
In addition, UPF can be by way of calling service or the mode of transmission message notifies PCF routing error to indicate,
It so, it is possible with network system compatible with being easy to implement.
The method of the side UPF embodiment to realize the present invention, the embodiment of the invention provides a kind of places of routing strategy
Device is managed, is arranged on UPF, as shown in fig. 6, described device includes:
Determination unit 61；
Notification unit 62, for notifying when the determination unit determines the data flow for not supporting routing to carry out self terminal
The instruction of PCF routing error.
Wherein, in one embodiment, shown determination unit 61, for receiving the data flow from the terminal；And
Routing capabilities determination according to UPF itself is not supported to route the data flow.
Here, the determination unit 61, is specifically used for:
Using the received data flow, the type of the corresponding application APP of the data flow is determined；
By the corresponding routing capabilities of the type of the APP and UPF itself routing capabilities supported or the routing energy being configured
Power is matched；
When the corresponding routing capabilities of the type of the APP and UPF itself routing capabilities supported or the routing energy being configured
When power mismatches, determination is not supported to route the data flow.
Wherein, described to utilize the received data flow, determine the type of the corresponding APP of the data flow, comprising:
The determination unit 61 carries out DPI by the data packet to the data flow, determines the corresponding APP of the data flow
Type.
The notification unit 62, is specifically used for:
It notifies the PCF routing error to indicate by SMF, or the PCF routing error is directly notified to indicate.
It is wherein, described to notify the PCF routing error to indicate by SMF, comprising:
The notification unit 62 notifies the PCF routing error to indicate by way of sending message to the SMF；Or
Person notifies the PCF routing error to indicate by way of calling the SMF service or the UPF is called to service.
It is described that the PCF routing error is directly notified to indicate, comprising:
The notification unit 62 notifies the PCF routing error to indicate by way of sending message to the PCF；Or
Person notifies the PCF routing error to indicate by way of calling the PCF service or the UPF is called to service.
When practical application, the determination unit 61 and notification unit 62 can be by the processing units of routing strategy
Device combination communication interface is managed to realize.
Method in order to realize the side SMF of the embodiment of the present invention, the embodiment of the invention also provides a kind of routing strategies
Processing unit, be arranged on SMF, as shown in fig. 7, the device includes:
Second receiving unit 71, for receiving the routing error instruction of UPF transmission；The routing error instruction is described
UPF is sent when determining the data flow for itself not supporting routing to carry out self terminal；
Transmission unit 72, for the instruction of received routing error to be sent to PCF.
Wherein, the transmission unit 72, is specifically used for:
Routing error instruction is sent to the PCF by way of calling service.
When practical application, second receiving unit 71 and transmission unit 72 can be by the processing units of routing strategy
Processor combination communication interface realize.
Method in order to realize the side PCF of the embodiment of the present invention, the embodiment of the invention also provides a kind of routing strategies
Processing unit, be arranged on PCF, as shown in figure 8, the device includes:
First receiving unit 81, for receiving the routing error instruction of UPF notice；The routing error instruction is described
UPF is notified when determining the data flow for itself not supporting routing to carry out self terminal；
Unit 82 is provided, for indicating based on the routing error, provides routing strategy for the terminal.
Wherein, the UPF can also be notified directly described by the way that the PCF routing error can be notified to indicate by SMF
The instruction of PCF routing error.
Based on this, the routing error that first receiving unit 81 can receive the UPF notice by the SMF refers to
Show, i.e. the first receiving unit 81 receives the routing error instruction for the UPF notice that the SMF is sent.
First receiving unit 81 can also directly receive the routing error instruction of UPF notice, that is to say, that described the
One receiving unit 81 receives the routing error instruction that the UPF is directly transmitted.
In one embodiment, the offer unit 82 issues routing strategy to the terminal by AMF.Wherein, institute
Relevant process can be called by stating offer unit 82, pass through the URSP that AMF etc. updates the terminal.
When practical application, first receiving unit 81 can be real by the communication interface in the processing unit of routing strategy
It is existing；The offer unit 82 can be realized by the processor combination communication interface in the processing unit of routing strategy.
It should be understood that the processing unit of routing strategy provided by the above embodiment is being routed strategy
Processing when, only with the division progress of above-mentioned each program module for example, in practical application, can according to need and will be above-mentioned
Processing distribution is completed by different program module, i.e., the internal structure of device is divided into different program modules, with complete with
The all or part of processing of upper description.In addition, the processing unit of routing strategy provided by the above embodiment and routing are selected
The processing method embodiment for selecting strategy belongs to same design, and specific implementation process is detailed in embodiment of the method, and which is not described herein again.
Based on above-mentioned hardware realization, the method for the side embodiment UPF to realize the present invention, the embodiment of the invention also provides one
The kind network equipment, is UPF, as shown in figure 9, the UPF 90 includes:
First communication interface 91 can carry out information exchange with other network equipments；
First processor 92 is connect with first communication interface 91, carries out information friendship with other network equipments to realize
When mutually, for running computer program, the method that the above-mentioned side UPF one or more technical solution provides is executed.And the calculating
Machine program is stored on first memory 93.
Specifically, first communication interface 91, for not supporting routing from eventually when the first processor 92 determines
When one data flow at end, notice PCF routing error instruction.
In one embodiment, first communication interface 91 is also used to receive the data flow from the terminal；
The first processor 92, is used for: the routing capabilities determination according to UPF itself is not supported to route the data flow.
Wherein, the first processor 92, is specifically used for:
Using the received data flow, the type of the corresponding application APP of the data flow is determined；
By the corresponding routing capabilities of the type of the APP and UPF itself routing capabilities supported or the routing energy being configured
Power is matched；
When the corresponding routing capabilities of the type of the APP and UPF itself routing capabilities supported or the routing energy being configured
When power mismatches, determination is not supported to route the data flow.
In one embodiment, the first processor 92, is specifically used for:
DPI is carried out by the data packet to the data flow, determines the type of the corresponding APP of the data flow.
In one embodiment, first communication interface 91, is specifically used for:
It notifies the PCF routing error to indicate by SMF, or the PCF routing error is directly notified to indicate.
It is wherein, described to notify the PCF routing error to indicate by SMF, comprising:
First communication interface 91 notifies the PCF routing error to indicate by way of sending message to the SMF；
Alternatively, notifying the PCF routing error to indicate by way of calling the SMF service or the UPF is called to service.
It is described that the PCF routing error is directly notified to indicate, comprising:
First communication interface 91 notifies the PCF routing error to indicate by way of sending message to the PCF；
Alternatively, notifying the PCF routing error to indicate by way of calling the PCF service or the UPF is called to service.
It should be understood that the concrete processing procedure of the first processor 92 and the first communication interface 91 is detailed in method reality
Example is applied, which is not described herein again.
Certainly, when practical application, the various components in the UPF 90 are coupled by bus system 94.It can manage
Solution, bus system 94 is for realizing the connection communication between these components.Bus system 94 is also wrapped in addition to including data/address bus
Include power bus, control bus and status signal bus in addition.But for the sake of clear explanation, various buses are all marked in Fig. 9
For bus system 94.
First memory 93 in the embodiment of the present invention is for storing various types of data to support the operation of UPF 90.
The example of these data includes: any computer program for operating on UPF 90.
The method that the embodiments of the present invention disclose can be applied in the first processor 92, or by described first
Processor 92 is realized.The first processor 92 may be a kind of IC chip, the processing capacity with signal.It is realizing
In the process, each step of the above method can pass through the integrated logic circuit or software of the hardware in the first processor 92
The instruction of form is completed.The above-mentioned first processor 92 can be general processor, digital signal processor (DSP,
Digital Signal Processor) either other programmable logic device, discrete gate or transistor logic, point
Vertical hardware component etc..The first processor 92 may be implemented or execute disclosed each method, step in the embodiment of the present invention
Rapid and logic diagram.General processor can be microprocessor or any conventional processor etc..In conjunction with the embodiment of the present invention
The step of disclosed method, hardware decoding processor can be embodied directly in and execute completion, or in decoding processor
Hardware and software module combination execute completion.Software module can be located in storage medium, which is located at the first storage
The step of device 93, the first processor 92 reads the information in first memory 93, completes preceding method in conjunction with its hardware.
In the exemplary embodiment, UPF 90 can by one or more application specific integrated circuit (ASIC,
Application Specific Integrated Circuit), DSP, programmable logic device (PLD, Programmable
Logic Device), Complex Programmable Logic Devices (CPLD, Complex Programmable Logic Device), scene
Programmable gate array (FPGA, Field-Programmable Gate Array), general processor, controller, microcontroller
(MCU, Micro Controller Unit), microprocessor (Microprocessor) or other electronic components are realized, are used
In execution preceding method.
Hardware realization based on above-mentioned apparatus, the method for the side SMF to realize the present invention, the embodiment of the invention also provides one
The kind network equipment, is SMF, as shown in Figure 10, which includes:
Second communication interface 101 can carry out information exchange with other network equipments；
Second processor 102 is connect with second communication interface 101, carries out information with other network equipments to realize
Interaction when for running computer program, executes the method that the above-mentioned side SMF one or more technical solution provides.And the meter
Calculation machine program is stored on the second memory 103.
Specifically, the second communication interface 101, for receiving the routing error instruction of UPF transmission；The routing error instruction
It is that the UPF is sent when determining the data flow for itself not supporting routing to carry out self terminal；And in the second processor 102
The instruction of received routing error is sent to PCF under control.
In one embodiment, routing error is indicated to send by second communication interface 101 by way of calling service
To the PCF.
It should be understood that the concrete processing procedure of second communication interface 101 and second processor 102 is detailed in method
Embodiment, which is not described herein again.
Certainly, when practical application, the various components in SMF 100 are coupled by bus system 104.It is understood that
Bus system 104 is for realizing the connection communication between these components.Bus system 104 is also wrapped in addition to including data/address bus
Include power bus, control bus and status signal bus in addition.But for the sake of clear explanation, various buses are all marked in Figure 10
For bus system 104.
Second memory 103 in the embodiment of the present invention is for storing various types of data to support the behaviour of SMF 100
Make.The example of these data includes: any computer program for operating on SMF 100.
The method that the embodiments of the present invention disclose can be applied in the second processor 102, or by described the
Two processors 102 are realized.The second processor 102 may be a kind of IC chip, the processing capacity with signal.In
During realization, each step of the above method can by the integrated logic circuit of the hardware in the second processor 102 or
The instruction of person's software form is completed.The above-mentioned second processor 102 can be general processor, DSP or other can compile
Journey logical device, discrete gate or transistor logic, discrete hardware components etc..The second processor 102 may be implemented
Or disclosed each method, step and logic diagram in the execution embodiment of the present invention.General processor can be microprocessor
Or any conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present invention, can be embodied directly in hardware
Decoding processor executes completion, or in decoding processor hardware and software module combination execute completion.Software module can
To be located in storage medium, which is located at second memory 103, and the second processor 102 reads second memory
Information in 103, in conjunction with the step of its hardware completion preceding method.
In the exemplary embodiment, SMF 100 can be by one or more ASIC, DSP, PLD, CPLD, FPGA, general place
It manages device, controller, MCU, Microprocessor or other electronic components to realize, for executing preceding method.
Hardware realization based on above-mentioned apparatus, the method in order to realize the side PCF of the embodiment of the present invention, the embodiment of the present invention is also
A kind of network equipment is provided, is PCF, as shown in figure 11, which includes:
Third communication interface 111 can carry out information exchange with other network equipments；
Third processor 112 is connect with the third communication interface 111, carries out information with other network equipments to realize
Interaction when for running computer program, executes the method that the above-mentioned side PCF one or more technical solution provides.And the meter
Calculation machine program is stored on the third memory 113.
Specifically, the third communication interface 111, for receiving the routing error instruction of UPF notice；The routing error
Instruction is that the UPF is notified when determining the data flow for itself not supporting routing to carry out self terminal；And in the third processor
It is based on the routing error instruction under 112 control, provides routing strategy for terminal.
In one embodiment, the third communication interface 111, is specifically used for:
The routing error instruction of the UPF notice is received by the SMF；Alternatively, directly to receive the routing of UPF notice
Error indication.
It should be understood that the concrete processing procedure of the third processor 112 and third communication interface 111 is detailed in method
Embodiment, which is not described herein again.
Certainly, when practical application, the various components in PCF 110 are coupled by bus system 114.It is understood that
Bus system 114 is for realizing the connection communication between these components.Bus system 114 is also wrapped in addition to including data/address bus
Include power bus, control bus and status signal bus in addition.But for the sake of clear explanation, various buses are all marked in Figure 11
For bus system 114.
Third memory 113 in the embodiment of the present invention is for storing various types of data to support the behaviour of PCF 110
Make.The example of these data includes: any computer program for operating on PCF 110.
The method that the embodiments of the present invention disclose can be applied in the third processor 112, or by described the
Three processors 112 are realized.The third processor 112 may be a kind of IC chip, the processing capacity with signal.In
During realization, each step of the above method can by the integrated logic circuit of the hardware in the third processor 112 or
The instruction of person's software form is completed.The above-mentioned third processor 112 can be general processor, DSP or other can compile
Journey logical device, discrete gate or transistor logic, discrete hardware components etc..The third processor 112 may be implemented
Or disclosed each method, step and logic diagram in the execution embodiment of the present invention.General processor can be microprocessor
Or any conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present invention, can be embodied directly in hardware
Decoding processor executes completion, or in decoding processor hardware and software module combination execute completion.Software module can
To be located in storage medium, which is located at third memory 113, and the third processor 112 reads third memory
Information in 113, in conjunction with the step of its hardware completion preceding method.
In the exemplary embodiment, PCF 110 can be by one or more ASIC, DSP, PLD, CPLD, FPGA, general place
It manages device, controller, MCU, Microprocessor or other electronic components to realize, for executing preceding method.
It is appreciated that memory (first memory 93, second memory 103 and the third memory of the embodiment of the present invention
113) volatile memory or nonvolatile memory be can be, may also comprise both volatile and non-volatile memories.
Wherein, nonvolatile memory can be read-only memory (ROM, Read Only Memory), programmable read only memory
(PROM, Programmable Read-Only Memory), Erasable Programmable Read Only Memory EPROM (EPROM, Erasable
Programmable Read-Only Memory), electrically erasable programmable read-only memory (EEPROM, Electrically
Erasable Programmable Read-Only Memory), magnetic RAM (FRAM, ferromagnetic
Random access memory), flash memory (Flash Memory), magnetic surface storage, CD or CD-ROM
(CD-ROM, Compact Disc Read-Only Memory)；Magnetic surface storage can be magnetic disk storage or tape storage
Device.Volatile memory can be random access memory (RAM, Random Access Memory), be used as external high speed
Caching.By exemplary but be not restricted explanation, the RAM of many forms is available, such as static random access memory
(SRAM, Static Random Access Memory), synchronous static random access memory (SSRAM, Synchronous
Static Random Access Memory), dynamic random access memory (DRAM, Dynamic Random Access
Memory), Synchronous Dynamic Random Access Memory (SDRAM, Synchronous Dynamic Random Access
Memory), double data speed synchronous dynamic RAM (DDRSDRAM, Double Data Rate
Synchronous Dynamic Random Access Memory), enhanced Synchronous Dynamic Random Access Memory
(ESDRAM, Enhanced Synchronous Dynamic Random Access Memory), synchronized links dynamic random are deposited
Access to memory (SLDRAM, SyncLink Dynamic Random Access Memory), direct rambus arbitrary access are deposited
Reservoir (DRRAM, Direct Rambus Random Access Memory).The memory of description of the embodiment of the present invention is intended to wrap
Include but be not limited to the memory of these and any other suitable type.
The embodiment of the invention also provides a kind of processing systems of routing strategy, and as shown in figure 12, which includes:
UPF 121 and PCF 122；Wherein,
The UPF 121, for when not supporting routing to carry out a data flow of self terminal, notifying the PCF122 routing wrong
Accidentally indicate；
The PCF 122 is wrong based on the routing after receiving the routing error instruction that the UPF 121 is notified
It accidentally indicates, provides routing strategy for the terminal.
In one embodiment, which can also include: SMF；
The UPF 121, is specifically used for: notifying 122 routing error of PCF to indicate by the SMF.
Here, it should be understood that the concrete processing procedure of each network element is as detailed above, which is not described herein again.
In the exemplary embodiment, the embodiment of the invention also provides a kind of storage medium, i.e. computer storage medium, tools
Body is computer readable storage medium, and the first memory 93 for example including storage computer program, above-mentioned computer program can
It is executed by the first processor 92 of UPF 90, to complete step described in the method for the aforementioned side UPF.It for another example include storage computer journey
The second memory 103 of sequence, above-mentioned computer program can be executed by the second processor 102 of SMF 100, to complete aforementioned SMF
Step described in the method for side.It for another example include the third memory 113 of storage computer program, above-mentioned computer program can be by PCF
110 third processor 112 executes, to complete step described in the method for the aforementioned side PCF.Computer readable storage medium can be
The memories such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface storage, CD or CD-ROM.
It should be understood that between technical solution documented by the embodiment of the present invention, in the absence of conflict, Ke Yiren
Meaning combination.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (29)
1. a kind of processing method of routing strategy, which is characterized in that be applied to policy control functions PCF, the method packet
It includes:
Receive the routing error instruction of user plane functions UPF notice；The routing error instruction is that the UPF determines that itself is not propped up
Routing is held to notify when one data flow of self terminal；
It is indicated based on the routing error, provides routing strategy for the terminal.
2. the method according to claim 1, wherein the routing error instruction for receiving UPF notice, comprising:
The routing error instruction of the UPF notice is received by conversation management functional (SMF)；
Or directly receive the routing error instruction of UPF notice.
3. according to the method described in claim 2, it is characterized in that, the routing error instruction of directly received UPF notice is logical
Cross what following one mode was sent:
Send the mode of message；
The PCF is called to service or call the mode of the UPF service.
4. the method according to claim 1, wherein when providing routing strategy for the terminal, the side
Method further include:
Routing strategy is issued to the terminal by access and mobile management function to ps domain AMF.
5. a kind of processing method of routing strategy, which is characterized in that be applied to UPF, which comprises
When not supporting routing to carry out a data flow of self terminal, notice PCF routing error instruction.
6. according to the method described in claim 5, it is characterized in that, the method also includes:
Receive the data flow from the terminal；
Routing capabilities determination according to itself is not supported to route the data flow.
7. according to the method described in claim 6, it is characterized in that, the routing capabilities determination according to itself is not supported to route
The data flow, comprising:
Using the received data flow, the type of the corresponding application APP of the data flow is determined；
By the corresponding routing capabilities of the type of the APP and the routing capabilities itself supported or the routing capabilities being configured progress
Match；
When the corresponding routing capabilities of the type of the APP and the routing capabilities itself supported or the routing capabilities being configured mismatch
When, determination is not supported to route the data flow.
8. determining the number the method according to the description of claim 7 is characterized in that described utilize the received data flow
According to the type for flowing corresponding APP, comprising:
Deep message is carried out by the data packet to the data flow and detects DPI, determines the class of the corresponding APP of the data flow
Type.
9. according to the method described in claim 5, it is characterized in that, the notice PCF routing error indicates, comprising:
The PCF routing error is notified to indicate by conversation management functional SMF；
Alternatively, the PCF routing error is directly notified to indicate.
10. according to the method described in claim 9, it is characterized in that, described notify the PCF routing error to indicate by SMF,
Include:
The PCF routing error is notified to indicate by way of sending message to the SMF；Alternatively, by calling the SMF clothes
It is engaged in or call the mode of the UPF service that the PCF routing error is notified to indicate.
11. according to the method described in claim 9, it is characterized in that, described directly notify the PCF routing error instruction, packet
It includes:
The PCF routing error is notified to indicate by way of sending message to the PCF；Alternatively, by calling the PCF clothes
It is engaged in or call the mode of the UPF service that the PCF routing error is notified to indicate.
12. a kind of processing method of routing strategy, which is characterized in that be applied to SMF, which comprises
Receive the routing error instruction that UPF is sent；Routing error instruction is that the UPF is determined routing itself is not supported to come from
It is sent when one data flow of terminal；
The instruction of received routing error is sent to PCF.
13. according to the method for claim 12, which is characterized in that the received routing error instruction is by with lower section
What one of formula was sent:
Send the mode of message；
The SMF is called to service or call the mode of the UPF service.
14. a kind of processing unit of routing strategy, which is characterized in that described device includes:
First receiving unit, for receiving the routing error instruction of UPF notice；The routing error instruction is that the UPF is determined
Itself do not support what routing notified when carrying out a data flow of self terminal；
Unit is provided, for indicating based on the routing error, provides routing strategy for the terminal.
15. device according to claim 14, which is characterized in that the offer unit, for passing through AMF to the terminal
Issue routing strategy.
16. a kind of processing unit of routing strategy, which is characterized in that described device includes:
Determination unit；
Notification unit, for when the determination unit determines the data flow for not supporting routing to carry out self terminal, notice PCF to be routed
Error indication.
17. device according to claim 16, which is characterized in that the determination unit is used for:
Receive the data flow from the terminal；
Routing capabilities determination according to UPF is not supported to route the data flow.
18. a kind of processing unit of routing strategy, which is characterized in that described device includes:
Second receiving unit, for receiving the routing error instruction of UPF transmission；The routing error instruction is that the UPF is determined
Itself do not support what routing was sent when carrying out a data flow of self terminal；
Transmission unit, for the instruction of received routing error to be sent to PCF.
19. device according to claim 18, which is characterized in that the received routing error instruction is by with lower section
What one of formula was sent:
Send the mode of message；
The SMF is called to service or call the mode of the UPF service.
20. a kind of PCF, which is characterized in that the PCF includes:
Third processor；
Third communication interface, for receiving the routing error instruction of UPF notice；The routing error instruction is that the UPF is determined
Itself do not support what routing notified when carrying out a data flow of self terminal；And the road is based under the control of the third processor
By error indication, routing strategy is provided for terminal.
21. PCF according to claim 20, which is characterized in that the third communication interface, for by AMF to described
Terminal issues routing strategy.
22. a kind of UPF, which is characterized in that the UPF includes:
First processor；
First communication interface, for notifying when the first processor determines the data flow for not supporting routing to carry out self terminal
The instruction of PCF routing error.
23. UPF according to claim 22, which is characterized in that first communication interface is also used to receive from described
The data flow of terminal；
The first processor, is used for: the routing capabilities determination according to UPF itself is not supported to route the data flow.
24. a kind of SMF, which is characterized in that the SMF includes:
Second processor；
Second communication interface, for receiving the routing error instruction of UPF transmission；The routing error instruction is that the UPF is determined
Itself do not support what routing was sent when carrying out a data flow of self terminal；And by received road under the control of the second processor
PCF is sent to by error indication.
25. SMF according to claim 24, which is characterized in that the received routing error instruction is by with lower section
What one of formula was sent:
Send the mode of message；
The SMF is called to service or call the mode of the UPF service.
26. a kind of PCF characterized by comprising third processor and for storing the computer that can be run on a processor
The third memory of program,
Wherein, the third processor is for when running the computer program, perform claim to require any one of 1 to 4 side
The step of method.
27. a kind of UPF characterized by comprising first processor and for storing the computer that can be run on a processor
The first memory of program,
Wherein, the first processor is for when running the computer program, perform claim to require any one of 5 to 11 sides
The step of method.
28. a kind of SMF characterized by comprising second processor and for storing the computer that can be run on a processor
The second memory of program,
Wherein, the second processor is for when running the computer program, perform claim to require 12 or 13 the methods
Step.
29. a kind of storage medium, is stored thereon with computer program, which is characterized in that the computer program is held by processor
The step of any one of Claims 1-4 the method is realized when row, or realize any one of claim 5 to 11 the method
The step of, or the step of realizing claim 12 or 13 the method.
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