CN110149602A

CN110149602A - A kind of policy control method, equipment and system

Info

Publication number: CN110149602A
Application number: CN201810150155.1A
Authority: CN
Inventors: 丁辉; 时书锋
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2018-02-13
Filing date: 2018-02-13
Publication date: 2019-08-20
Anticipated expiration: 2038-02-13
Also published as: CN110149602B; WO2019158032A1

Abstract

The embodiment of the present application discloses a kind of policy control method, equipment and system, is related to field of communication technology, carries out dosage monitoring to same dosage monitoring example on multiple PSA to realize.The described method includes: policy control network element determines that a PDU session includes the first PSA and the 2nd PSA, and determine the dosage monitoring that the corresponding first dosage monitoring example of the first monitoring key is executed on the first PSA；When policy control network element, which is determined, also executes the dosage monitoring to the first dosage monitoring example on the 2nd PSA, policy control network element is that the first dosage monitors the 2nd monitoring key of example allocation, and the PCC rule and the corresponding dosage threshold value of the 2nd monitoring key for carrying the 2nd monitoring key and being used to indicate the information of the corresponding strategy of PCC rule on the 2nd PSA are sent to session management network element.

Description

A kind of policy control method, equipment and system

Technical field

The invention relates to field of communication technology more particularly to a kind of policy control methods, equipment and system.

Background technique

In the 5th generation (5^thGeneration, 5G) in mobile communication system (abbreviation 5G system), it can be monitored using dosage Mechanism manages real-time Internet resources dosage.Wherein, dosage monitoring can be directed to one or one group of business data flow It is monitored, it can also be for the business data flow in entire protocol Data Unit (Protocol Data Unit, PDU) session It is monitored, not limits.For example, in 5G system, it, can be in the PDU session after user access network establishes PDU session Including a PDU session anchor point (PDU Session Anchor, PSA) on business data flow is monitored or to this PDU session is monitored.

However, existing 5G system is only supported on the PSA that PDU session includes for a dosage monitors example It executes and the dosage of dosage monitoring example is monitored, do not support to be performed simultaneously on multiple PSA that the PDU session includes to this Dosage monitors the dosage monitoring of example.

Summary of the invention

The embodiment of the present application provides a kind of policy control method, equipment and system, is executed on multiple PSA to same with realizing The carry out dosage monitoring of one dosage monitoring example.

In order to achieve the above objectives, the embodiment of the present application adopts the following technical scheme that

In a first aspect, the embodiment of the present application provides a kind of policy control method, this method is executed by policy control network element, Policy control network element determines that a PDU session includes the first PSA and the 2nd PSA, and policy control network element determines to be executed on the first PSA The dosage monitoring of the corresponding first dosage monitoring example of first monitor key (monitoring key)；This method comprises: determining It is executed on 2nd PSA and the dosage of the first dosage monitoring example is monitored；Example allocation second is monitored for the first dosage monitoring key；Send to session management network element includes policy and charging control (Policy and Charging Control, PCC) rule and the corresponding dosage threshold value of the 2nd monitoring key policy control information, wherein PCC rule It then carries the 2nd monitoring key and is used to indicate the information for executing the corresponding strategy of PCC rule on the 2nd PSA.Base Include multiple PSA in PDU session in policy control method provided by the embodiments of the present application, and the PDU session include some In the case that PSA executes the dosage monitoring of dosage monitoring example, if policy control network element determines other that the PDU session includes PSA also executes the dosage monitoring to dosage monitoring example, then policy control network element is that the dosage monitors example allocation newly Monitoring key, and the use for carrying PCC rule and the new monitoring key is sent to session management network element Measure threshold value policy control information, so as to session management network element according to the new monitoring key that the PCC rule carries with And it is used to indicate the information that the corresponding strategy of PCC rule is executed on other PSA, PDR is sent to other PSA of the PDU session And the new corresponding URR of monitoring key, in this way, other PSA is made to carry out dosage monitoring according to the PDR and URR, it is real Show and has executed the dosage monitoring of same dosage monitoring example in multiple PSA.

Second aspect, the embodiment of the present application provide a kind of policy control method, and this method is executed by policy control network element, Policy control network element determines that a PDU session includes the first PSA and the 2nd PSA, and policy control network element determines to be executed on the first PSA The dosage monitoring of the corresponding first dosage monitoring example of first monitoring key；This method comprises: determining on the 2nd PSA It executes and the dosage of the first dosage monitoring example is monitored；The 2nd monitoring key of example allocation is monitored for the first dosage；To Session management network element, which is sent, to be included PCC rule, the corresponding dosage threshold value of the 2nd monitoring key and is used to indicate the The policy control information of the information of the corresponding strategy of PCC rule is executed on two PSA, wherein PCC rule carries second monitoring key.It include multiple PSA in PDU session based on policy control method provided by the embodiments of the present application, and should In the case that some PSA that PDU session includes executes the dosage monitoring of dosage monitoring example, it is somebody's turn to do if policy control network element determines Other PSA that PDU session includes also execute the dosage monitoring to dosage monitoring example, then policy control network element is dosage prison The new monitoring key of example allocation is controlled, and carries PCC rule, the 2nd monitoring to the transmission of session management network element The corresponding dosage threshold value of key and the strategy for being used to indicate the information that the corresponding strategy of PCC rule is executed on the 2nd PSA are controlled Information processed, so that session management network element is according to the information received, to other PSA of PDU session transmission PDR and newly The corresponding URR of monitoring key is realized in this way, other PSA is made to carry out dosage monitoring according to the PDR and URR more A PSA executes the dosage monitoring of same dosage monitoring example.

The third aspect, the embodiment of the present application provide a kind of policy control method, and this method is executed by policy control network element, Policy control network element determines that a PDU session includes the first PDU session anchor point PSA and the 2nd PSA, and policy control network element determines the The dosage monitoring of the corresponding session level dosage monitoring example of the first monitoring key is executed on one PSA；This method comprises: really It is scheduled on the 2nd PSA and executes the monitoring of session level dosage；The 2nd monitoring key of example allocation is monitored for session level dosage；To It includes the corresponding dosage threshold value of the 2nd monitoring key that session management network element, which is sent, and is used to indicate on the 2nd PSA Or the PDU session include all PSA on execute session level dosage monitoring informational strategy control information.Based on the application The policy control method that embodiment provides, includes multiple PSA in PDU session, and some PSA that the PDU session includes executes the In the case where the dosage monitoring of the corresponding session level dosage monitoring example of one monitoring key, if policy control network element determines Other PSA that the PDU session includes also execute the dosage monitoring to session level dosage monitoring example, then policy control network element is The session level dosage monitors the new monitoring key of example allocation, and sends the 2nd monitoring to session management network element It the corresponding dosage threshold value of key and is used to indicate on the 2nd PSA or the meeting of execution on all PSA that the PDU session includes The informational strategy for talking about the monitoring of grade dosage controls information, so that session management network element is according to the information received, to the PDU session Other PSA send the new corresponding URR of monitoring key, in this way, other PSA is made to carry out dosage according to the PDR and URR Monitoring realizes and is performed simultaneously the dosage monitoring of session level dosage monitoring example in multiple PSA.

In the first possible design, with reference to first aspect or second aspect or the third aspect, second Dosage limit, the first dosage for the first dosage monitoring example that the corresponding dosage threshold value of monitoring key is contracted according to user The corresponding monitoring key of the first dosage monitoring example that the accumulative dosage and policy control network element for monitoring example have issued Dosage threshold value determine.

In second of possible design, with reference to first aspect or second aspect or the third aspect or the first can The design of energy, policy control network element also save the first dosage monitoring example and the first monitoring key, second The corresponding relationship of monitoring key.In this way, dosage can be monitored to the monitoring key of the corresponding distribution of example, Dosage is counted on convenient for the subsequent accumulative dosage by the corresponding monitoring key of all and dosage received monitoring example In the accumulative dosage for monitoring example.

In the third possible design, with reference to first aspect or second aspect or the third aspect or any of the above-described The possible design of kind, after policy control network element controls information to session management network element sending strategy, the method also includes: Policy control network element receives the corresponding any monitoring key's of the first dosage monitoring example of session management network element report Accumulative dosage；Judge whether there is the corresponding safe level threshold value of the first dosage monitoring example；There are safe level threshold values In the case of, the corresponding new dosage threshold of any monitoring key is sent to session management network element according to safe level threshold value Value；In the case where no safe level threshold value, policy control network element sends to session management network element and is used for announcement session management Network element stops the expiry notification of the dosage monitoring to any monitoring key；Wherein, any monitoring key is the One monitoring key or the 2nd monitoring key.In this way, can be received in policy control network element After the accumulative dosage report of monitoring key, adds up dosage in conjunction with this and some other information determines the monitoring Safe level threshold value corresponding to the corresponding dosage monitoring example of key, and be the monitoring according to safe level threshold value Key distributes new dosage threshold value or stops monitoring the dosage of the corresponding URR of monitoring key.

Wherein, in the third possible design, the first dosage monitors the corresponding safe level threshold value of example according to user The dosage limit of the first dosage monitoring example of signing, the accumulative dosage of the first dosage monitoring example and policy control network element are Accumulative dosage information response is not received in the dosage threshold value of the corresponding monitoring key of the first dosage monitoring example issued Dosage threshold value determine.

In the 4th kind of possible design, in conjunction with the third possible design, when policy control network element receives session management When the accumulative dosage of the first monitoring key of network element report, policy control network element also receives the transmission of session management network element The mark of first PSA；When policy control network element receives the accumulative use of the 2nd monitoring key of session management network element report When amount, policy control network element also receives the mark of the 2nd PSA of session management network element transmission.That is session management reported by network elements When the accumulative dosage of monitoring key, it is also necessary to the mark of the PSA is reported, in order to which policy control network element knows this The accumulative dosage that the accumulative dosage of monitoring key is monitored from which PSA.

Fourth aspect, the embodiment of the present application provide a kind of policy control method, and this method is executed by session management network element, One PDU session of the session management NE management includes the first PSA and the 2nd PSA, and session management network element is sent to the first PSA The corresponding dosage of first monitoring key reports regular (Usage Report Rule, URR), and this method may include: to connect Receive the policy control including PCC rule and the corresponding dosage threshold value of the 2nd monitoring key from policy control network element Information, the PCC rule carry the 2nd monitoring key, and be used to indicate on the 2nd PSA execute PCC rule it is corresponding The information of strategy；To the 2nd PSA send PCC rule corresponding first interblock interference rule (Packet Detection Rule, ) and the corresponding URR of the 2nd monitoring key PDR.Based on policy control method provided by the embodiments of the present application, in PDU meeting Words include multiple PSA, and some PSA that session management network element has included to the PDU session sends the first monitoring key In the case where corresponding URR, what session management network element reception policy control network element was sent carries PCC rule and second The policy control information of the corresponding dosage threshold value of monitoring key, the 2nd monitoring carried according to the PCC rule What key and PCC rule carried is used to indicate the information that the corresponding strategy of PCC rule is executed on other PSA, to the PDU meeting Words other PSA send the PDR and corresponding URR of the 2nd monitoring key, so as to other PSA according to the PDR and URR into The monitoring of row dosage monitors the dosage of same dosage monitoring example in this way, realizing and executing in multiple PSA.

5th aspect, the embodiment of the present application provide a kind of policy control method, and this method is executed by session management network element, One PDU session of the session management NE management includes the first PSA and the 2nd PSA, and session management network element is sent to the first PSA The corresponding URR of first monitoring key, this method may include: that session management network element is received from policy control network element Including PCC rule, the corresponding dosage threshold value of the 2nd monitoring key and it is used to indicate and executes the PCC on the 2nd PSA The policy control information of the information of the corresponding strategy of rule, the PCC rule carry the 2nd monitoring key；Session management net Member sends the corresponding first PDR and corresponding URR of the 2nd monitoring key of PCC rule to the 2nd PSA.Based on the application reality The policy control method for applying example offer, includes multiple PSA in PDU session, and session management network element includes to the PDU session In the case that some PSA sends the corresponding URR of the first monitoring key, session management network element receives policy control network element hair That send carries PCC rule, the corresponding dosage threshold value of the 2nd monitoring key and is used to indicate and includes in PDU session The policy control information of the information of the corresponding strategy of PCC rule, second carried according to the PCC rule are executed on other PSA Monitoring key, and it is used to indicate the information that the corresponding strategy of PCC rule is executed on other PSA, to the PDU meeting Other PSA of words send the PDR and corresponding URR of the 2nd monitoring key, so that other PSA are according to the PDR and URR Dosage monitoring is carried out, the dosage of same dosage monitoring example is monitored in this way, realizing and being executed in multiple PSA.

In the 5th kind of possible design, in conjunction with fourth aspect or the 5th aspect, in session management network element to the 2nd PSA Before sending corresponding first PDR and corresponding 2nd URR of the 2nd monitoring key of PCC rule, the method also includes: Session management network element determines the interblock interference information of the first PDR according to the business datum flow template in PCC rule, and is second Monitoring key determines URR.In this way, can session management network element to the 2nd PSA send PDR and URR before, according to PCC rule determines PDR, and determines URR for the 2nd monitoring key, so that PDR is associated with the URR.

6th aspect, the embodiment of the present application provide a kind of policy control method, and this method is executed by session management network element, One PDU session of the session management NE management includes the first PSA and the 2nd PSA, and session management network element is sent to the first PSA The corresponding URR of first monitoring key, the first monitoring key respective session grade dosage monitor example；This method can With include: session management network element receive from policy control network element include the corresponding dosage threshold of the 2nd monitoring key Value and being used to indicate executed on the 2nd PSA the monitoring of session level dosage or be used to indicate PDU session include it is all The policy control information of session level dosage monitoring is executed on PSA；It is corresponding that the 2nd monitoring key is sent to the 2nd PSA URR, wherein at least one interblock interference rule that the 2nd URR and the 2nd PSA are executed (Packet Detection Rule, PDR it) is associated with, each matched business datum of PDR includes in the monitoring of session level dosage.Based on plan provided by the embodiments of the present application Slightly control method includes multiple PSA in PDU session, and some PSA that session management network element has included to the PDU session is sent In the case that session level dosage monitors URR corresponding to the corresponding monitoring key of example, session management network element receives plan What slightly control network element was sent include the corresponding new monitoring key of session level dosage monitoring example dosage threshold value, with And it is used to indicate and executes the monitoring of session level dosage on other PSA that the PDU session includes or be used to indicate in PDU session packet The policy control information that the monitoring of session level dosage is executed on all PSA included, according to the instruction of the policy control information, to this Other PSA of PDU session send the corresponding new corresponding URR of monitoring key of session level dosage monitoring example, so as to Other PSA at least one PDR according to associated by the URR and the URR carries out dosage monitoring, in this way, realizing in multiple PSA It executes and the dosage of same session level dosage monitoring example is monitored.

In the 6th kind of possible design, possible set in conjunction with fourth aspect or the 5th aspect or the 6th aspect or the 5th kind Meter, the first dosage that the corresponding dosage threshold value of the 2nd monitoring key contract according to user monitor example dosage limit, The first dosage monitoring example that the accumulative dosage and policy control network element of first dosage monitoring example have issued is corresponding The dosage threshold value of monitoring key determines.

In the 7th kind of possible design, in conjunction with fourth aspect or the 5th aspect or the 5th kind of possible design or the 6th kind Possible design sends corresponding first PDR and the 2nd monitoring of PCC rule to the 2nd PSA in session management network element After the corresponding URR of key, or the 6th aspect is combined, sends the 2nd monitoring to the 2nd PSA in session management network element After the corresponding URR of key, session management network element also executes following process: session management network element receives any that PDU session includes The accumulative dosage of the URR of PSA report, accumulative use of the session management network element to policy control reported by network elements monitoring key Amount；Alternatively, session management network element receives the accumulative dosage of the URR for any PSA report that PDU session includes, session management network element Judge whether there is the corresponding remaining dosage threshold value of monitoring key；There are remaining dosage threshold value, meeting Words managed network element updates the dosage threshold value of the URR of any PSA report according to remaining dosage threshold value；In no remaining dosage threshold In the case where value, accumulative dosage of the session management network element to policy control network element report monitoring key；Wherein, Monitoring key is the accumulative use of monitoring key, monitoring key corresponding to the URR of any PSA report Amount includes the accumulative dosage of the URR of any PSA report；Any PSA is the first PSA or the 2nd PSA.Wherein, remaining dosage Threshold value be session management network element from the corresponding dosage threshold value of monitoring key that tactical management network element receives not yet Distribute to the dosage threshold value of URR.

In the 8th kind of possible design, in conjunction with the 7th kind of possible design, when session management network element is to policy control net When the accumulative dosage of member report monitoring key, the method also includes: the mark of any PSA is sent to policy control network element Know.In this way, the accumulative dosage for making policy control network element know which PSA is reported, is the subsequent formulation prison of policy control network element Control strategy provides reference frame.

In the 9th kind of possible design, in conjunction with the 7th kind of possible design or the 8th kind of possible design, the side Method further include: session management network element receives the new dosage threshold value for the monitoring key that policy control network element is sent；Or Receive stopping for the dosage monitoring stopped for announcement session administrative unit to monitoring key that policy control network element is sent It only notifies, is sent to any PSA corresponding for requesting any PSA to delete the monitoring key The removal request of URR or for requesting any PSA to stop the dosage prison of URR corresponding to the montoring key The stopping of control is requested.In this way, the corresponding safe level threshold value dynamic adjustment monitoring of example can be monitored according to dosage The dosage threshold value of key stops dosage monitoring.

7th aspect, the embodiment of the present application provide a kind of policy control network element, which determines a PDU meeting Words include the first PSA and the 2nd PSA, and determine that the first PSA executes the corresponding first dosage monitoring of the first monitoring key The dosage of example monitors, which may be implemented policy control network element in above-mentioned various aspects or each possible design Performed function, the function can also execute corresponding software realization by hardware realization by hardware.It is described hard Part or software include one or more above-mentioned corresponding modules of function.Such as: the policy control network element may include: determination unit, Allocation unit, transmission unit and receiving unit.

In a kind of possible design, determination unit is executed on the 2nd PSA for determining to the first dosage monitoring example Dosage monitoring；Allocation unit, for monitoring the 2nd monitoring key of example allocation for the first dosage；Transmission unit 73 is used In to session management network element sending strategy control information.Wherein, policy control information includes PCC rule and second The corresponding dosage threshold value of monitoring key, PCC rule carry the 2nd monitoring key and are used to indicate second The information of the corresponding strategy of PCC rule is executed on PSA；Alternatively, policy control information includes PCC rule, the 2nd monitoring The corresponding dosage threshold value of key and the information for being used to indicate the corresponding strategy of execution PCC rule on the 2nd PSA, PCC rule Carry the 2nd monitoring key.

In another possible design, determination unit executes the monitoring of session level dosage for determining on the 2nd PSA；Point With unit, for monitoring the 2nd monitoring key of example allocation for session level dosage；Transmission unit 73 is used for session pipe It manages network element sending strategy and controls information.Wherein, policy control information includes: the corresponding dosage threshold of the 2nd monitoring key Value, and be used to indicate on the 2nd PSA or on all PSA that PDU session includes and execute the monitoring of session level dosage Information.

In conjunction with any of the above-described kind of possible design, receiving unit, for sending plan to session management network element in transmission unit After slightly controlling information, the corresponding any monitoring key of the first dosage monitoring example of session management network element report is received Accumulative dosage；Determination unit is also used to judge whether there is the corresponding safe level threshold value of the first dosage monitoring example；It sends Unit is also used to there are safe level threshold value, any to the transmission of session management network element according to safe level threshold value The corresponding new dosage threshold value of monitoring key；In the case where no safe level threshold value, sent out to session management network element Send expiry notification, wherein expiry notification stops supervising the dosage of any monitoring key for announcement session managed network element Control.Wherein, any monitoring key is the first monitoring key or the 2nd monitoring key.

Wherein, the specific implementation of policy control network element can with reference to first aspect or second aspect or the third aspect or The first possible design policy control method second best plan that any possible design provides into the 13rd kind of possible design The behavioral function of network element is slightly controlled, it is no longer repeated herein.Therefore, the policy control network element of the offer can achieve and first Aspect or second aspect or the third aspect or the first possible design is any into the 4th kind of possible design possible sets Count identical beneficial effect.

Eighth aspect provides a kind of policy control network element, comprising: processor and memory；The memory is for storing Computer executed instructions, when policy control network element operation, the computer which executes memory storage is executed Instruction so that the policy control network element execute as above-mentioned first aspect or second aspect or the third aspect or the first possible set Meter policy control method described in any possible design into the 4th kind of possible design.

9th aspect, provides a kind of computer readable storage medium, finger is stored in the computer readable storage medium It enables, when run on a computer, computer is allowed to execute above-mentioned first aspect or second aspect or the third aspect Or the first possible design policy control method described in any possible design into the 4th kind of possible design.

Tenth aspect, provides a kind of computer program product comprising instruction, when run on a computer, so that Computer can execute above-mentioned first aspect or second aspect or the third aspect or the first possible design to the 4th kind of possibility Design in policy control method described in any possible design.

On the one hand tenth, provides a kind of chip system, which includes processor, communication interface, for supporting Policy control network element realizes that function involved in above-mentioned aspect, such as support policy control network element determination are held on the 2nd PSA Row monitors the dosage of the first dosage monitoring example, monitors the 2nd monitoring key of example allocation for the first dosage, passes through Communication interface sends the plan including PCC rule and the corresponding dosage threshold value of the 2nd monitoring key to session management network element Slightly control information；Or support policy control network element is scheduled on the 2nd PSA and executes the monitoring of session level dosage, supervises for session level dosage The 2nd monitoring key of example allocation is controlled, includes: the 2nd monitoring key corresponding to the transmission of session management network element Dosage threshold value, and be used to indicate on the 2nd PSA or on all PSA that PDU session includes and execute session level use Measure the policy control information of the information of monitoring.In a kind of possible design, the chip system further includes memory, described to deposit Reservoir, for the necessary program instruction of conversation strategy control network element and data.The chip system can be made of chip, can also To include chip and other discrete devices.

Wherein, the 7th aspect technical effect brought by any design method into the tenth one side can be found in first party Technical effect brought by the different designs mode of face or second aspect or the third aspect, details are not described herein again.

12nd aspect, provides a kind of session management network element, and a PDU session of session management NE management includes the One PSA and the 2nd PSA, session management network element send the corresponding URR of the first monitoring key, the session pipe to the first PSA Reason network element has the function of realizing session management network element in method described in above-mentioned fourth aspect or the 5th aspect or the 6th aspect. The function can also execute corresponding software realization by hardware realization by hardware.The hardware or software include one Or multiple modules corresponding with above-mentioned function.Such as: the session management network element may include: receiving unit, transmission unit, determination Unit.

In a kind of possible design, receiving unit is sent for receiving the policy control information from policy control network element Unit, for sending the corresponding first PDR and corresponding URR of the 2nd monitoring key of PCC rule to the 2nd PSA, wherein The mark of the corresponding URR of the 2nd monitoring key, the 2nd monitoring key and first are carried in first PDR Monitoring key corresponds to same dosage monitoring example；Policy control information includes PCC rule and the 2nd monitoring The corresponding dosage threshold value of key, PCC rule carry the 2nd monitoring key and are used to indicate the PCC rule on the 2nd PSA The information of corresponding strategy；Alternatively, policy control information includes, PCC is regular, it is corresponding to be used to indicate the PCC rule on the 2nd PSA Strategy information, the corresponding dosage threshold value of the 2nd monitoring key, PCC rule carry the 2nd monitoring key.

In another possible design, receiving unit, for receiving the policy control information from policy control network element；Its In, policy control information includes: the corresponding dosage threshold value of the 2nd monitoring key, and is used to indicate on the 2nd PSA Or PDU session include all PSA on execute session level dosage monitoring information；Transmission unit, for being sent to the 2nd PSA The corresponding URR of 2nd monitoring key.

In conjunction with any of the above-described kind of possible design, receiving unit is also used to send PCC rule to the 2nd PSA in transmission unit Then after the corresponding first packet detected rule PDR and corresponding URR of the 2nd monitoring key, receiving PDU session includes The accumulative dosage of the URR of any PSA report, transmission unit are also used to the tired of policy control reported by network elements monitoring key Count dosage；Alternatively, receiving unit, is also used to send the corresponding first packet detected rule of PCC rule to the 2nd PSA in transmission unit After the PDR and corresponding URR of the 2nd monitoring key, the accumulative of the URR for any PSA report that PDU session includes is received Dosage, determination unit, for judging whether there is the corresponding remaining dosage threshold value of monitoring key, there are remaining use In the case where measuring threshold value, the dosage threshold value of the URR of any PSA report is updated according to remaining dosage threshold value；Transmission unit is also used In in the case where no remaining dosage threshold value, the accumulative dosage of monitoring key is reported to policy control network element；Its In, monitoring key is the tired of monitoring key, monitoring key corresponding to the URR of any PSA report Meter dosage includes the accumulative dosage of the URR of any PSA report；Any PSA is the first PSA or the 2nd PSA.

In terms of wherein, the specific implementation of session management network element can refer to fourth aspect or the 5th or in terms of the 6th The behavioral function of session management network element in the policy control method that possible implementation provides, it is no longer repeated herein.Cause This, the session management network element of the offer can achieve possible to be set with fourth aspect or the 5th aspect or the 6th aspect or the 5th kind The identical beneficial effect of any possible design scheme is counted into the 9th kind of possible design.

13rd aspect, provides a kind of session management network element, comprising: processor and memory；The memory is for depositing Computer executed instructions are stored up, when session management network element operation, the computer which executes memory storage is held Row instruction, so that the session management network element is executed as in terms of above-mentioned fourth aspect or the 5th or in terms of the 6th or the 5th kind possible Design policy control method described in any possible design into the 9th kind of possible design.

Fourteenth aspect provides a kind of computer readable storage medium, is stored in the computer readable storage medium Instruction allows computer to execute fourth aspect or the 5th aspect or the 6th aspect or the when run on a computer Five kinds of possible design policy control methods described in any possible design into the 9th kind of possible design.

15th aspect, provide a kind of computer program product comprising instruction makes when run on a computer Computer can execute above-mentioned fourth aspect or the 5th aspect the 6th aspect or the 5th kind it is possible design to the 9th kind can Policy control method described in any possible design in the design of energy.

16th aspect, provides a kind of chip system, which includes processor, communication interface, for supporting Session management network element realizes function involved in above-mentioned aspect, such as supports session management network element receives to come from policy control net The policy control information of member, and corresponding first PDR and second of PCC rule is sent to the 2nd PSA by communication interface The corresponding URR of monitoring key；Or supporting session management network element to receive from policy control network element includes: second The corresponding dosage threshold value of monitoring key, and it is used to indicate all PSA that on the 2nd PSA or PDU session includes The policy control information of the upper information for executing the monitoring of session level dosage, and second is sent to the 2nd PSA by communication interface The corresponding URR of monitoring key.In a kind of possible design, the chip system further includes memory, the storage Device, for saving the necessary program instruction of session management network element and data.The chip system can be made of chip, can also be with Include chip and other discrete devices.

Wherein, the 12nd aspect technical effect brought by any design method into the 16th aspect can be found in the 4th Aspect or the 5th aspect or the 6th aspect or the 5th kind of possible design any possible design into the 9th kind of possible design Brought technical effect, details are not described herein again.

17th aspect, provides a kind of policy controlling system, and it is any to the tenth one side that the system comprises the 7th aspects Policy control network element described in aspect, the 12nd aspect to session management network element described in the 16th aspect either side and At least two PSA.

These aspects or other aspects of the application can more straightforward in the following description.

Detailed description of the invention

Fig. 1 is system architecture diagram provided by the embodiments of the present application；

Fig. 2 is 5G system architecture diagram provided by the embodiments of the present application；

Fig. 3 is the structural schematic diagram of communication equipment provided by the embodiments of the present application；

Fig. 4 is a kind of policy control method flow chart provided by the embodiments of the present application；

Fig. 4 a is the flow chart that PSA provided by the embodiments of the present application reports accumulative dosage；

Fig. 5 is another policy control method flow chart provided by the embodiments of the present application；

Fig. 6 is another policy control method flow chart provided by the embodiments of the present application；

Fig. 7 is a kind of structure chart of policy control network element provided by the embodiments of the present application；

Fig. 8 is a kind of structure chart of session management network element provided by the embodiments of the present application.

Specific embodiment

Firstly, the embodiment of the present application in order to facilitate understanding, to the invention relates to some technical terms retouch It states:

Dosage monitoring: the dosage of Internet resources is monitored, such as: a kind of business data flow data flow can be supervised Control can also carry out dosage monitoring to one group of business data flow, or even carry out to all business data flows in a PDU session Dosage monitoring, not limits.User can sign dosage monitoring protocol with operator, wherein the dosage of user's signing monitors association View defines dosage limit (the volume limit or time of the type for needing the business data flow monitored and its signing Limit), such as: when user signs an agreement to operator, can choose Internet resources when operator accesses it Sohu's video into The individual dosage monitoring of row, and the flow of 1G has been signed to access Sohu's video.In the embodiment of the present application, can according to Amount monitors the difference of monitored Internet resources, and dosage monitoring is divided into the monitoring of business data flow grade dosage, session level dosage Monitor the dosage monitoring of two kinds of ranks.

Dosage monitors example (monitoring control instance): including user's signing to a kind of business number Dosage monitoring is individually carried out according to stream or dosage monitoring is carried out to one group of business data flow, even to the institute in a PDU session There is the signing information that business data flow carries out the demand of dosage monitoring and demand is signed thus, has standardized the business number of monitoring According to stream range and corresponding signing information, such as dosage limit.For example, can by user to the access of Sohu's video and The flow for having signed 1G for access Sohu's video monitors example as a dosage, to Sina's video and can also search user It the access of fox video and is monitored for the flow of 1.5G signed of access of Sina's video and Sohu's video as a dosage Example.In the embodiment of the present application, dosage can be monitored to example and is divided into business data flow grade dosage monitoring example, session level use The dosage of amount monitoring two kinds of ranks of example monitors example.

Under normal conditions, same dosage monitoring example can distribute multiple and different monitor keys (monitoring key), I.e. a dosage monitoring example is corresponding with multiple monitoring key.Policy control functions (Policy Control Function, PCF) corresponding dosage monitoring information can be formulated according to the corresponding signing information of a dosage monitoring example, it adopts Dosage monitoring is carried out with business access of the dosage monitoring information to user.

PCC rule: it is formulated by PCF, may include business datum flow template, which may include being used for The control information of business data flow detection can also include for control information such as service data flow charge, flow guiding, not Limitation.PCF can issue PCC rule to conversation management functional (Session Management Function, SMF), by SMF PDR, service quality executing rule (QoS Enforcement Rule, QER), forwarding executing rule are determined according to PCC rule Rules such as (Forwarding Action Rule, FAR).

Dosage monitoring information (Usage Monitoring Information): it is formulated, is generally included by PCF The rank instruction of the corresponding dosage monitoring example of monitoring key, monitoring key, monitoring key are corresponding Dosage threshold value.Conversation management functional (Session Management Function, SMF) can be according to Usage Monitoring Information determine monitoring key corresponding dosage report rule (Usage Report Rule, URR).In the embodiment of the present application, PCC rule and dosage monitoring information can be collectively included in policy control information by PCF It is handed down to SMF.

PDR: the rule for being executed at user plane functions (User Plane Function, UPF) formulated by SMF, it can To include the rules such as interblock interference information and relative QER, FAR, URR for detecting business data flow.

URR: the rule for monitoring in UPF execution dosage formulated by SMF, may include dosage threshold value.URR can be with PDR association, UPF can be after according to the interblock interference infomation detection business data flows in PDR, the business data flow that will test out Dosage added up with the associated URR of PDR, when accumulative dosage reaches the dosage threshold value of URR carrying, UPF is reported to SMF URR mark and accumulative dosage.It should be noted that in the embodiment of the present application, URR is associated with PDR to be referred to: PDR includes URR Mark.

The embodiment of the embodiment of the present application is described in detail with reference to the accompanying drawing.

Policy control method provided by the embodiments of the present application can be applied to network system shown in Fig. 1, which can Think the 5G system for supporting the PDU session of more PSA, it can also be for forth generation (4th generation, 4G) (such as: evolved point Group system (evolved packet system, EPS) mobile communication system can also support the user face of more anchor points for other The mobile communication system of transmission path, not limits.As shown in Figure 1, the network system may include: terminal, access network equipment, Session management network element, policy control network element, branch/combiner, Gateway Network Element, data network (Data Network, DN).Its In, the terminal in Fig. 1 can be used for being connected to the access network equipment of operator deployment by radio open, then by branch/ Combiner, Gateway Network Element access DN.Access network equipment is mainly used for realizing radio physical layer function, scheduling of resource and radio resource The functions such as management, wireless access control and mobile management.Session management network element can manage one or more gateway net Member is mainly used for realizing the conversation management functionals such as foundation, release and the change of user face transmission path.Policy control network element is main For formulating the control information such as information and strategy for business data flow detection, charging, flow guiding.Branch/combiner It is mainly used in the case where same user face transmission path includes more anchor points, terminal is uploaded by the user face transmission path Business data flow be distributed to different Gateway Network Element, or the industry that Gateway Network Element different in the user face transmission path are issued Terminal is issued after business data stream merging.Gateway Network Element can be used as the anchor point in the transmission path of user face, be mainly used for completing to use The functions such as the routing forwarding of family face data, such as: establishing channel (i.e. user face transmission path) with terminal room, forward on that channel Data packet between terminal and DN, and it is responsible for data message filtering, data transmission/forwarding, rate control, generation to terminal Charge information etc..DN may include the network equipment (such as: server, router equipment), and DN is mainly used for providing for terminal more Kind data service service.It should be noted that Fig. 1 is merely illustrative architecture diagram, in addition to the functional unit shown in Fig. 1, the net Network framework can also include other network elements, such as: the mobile management network element that is managed for the movement to terminal, for managing The data management network element etc. of the signing information of user, the embodiment of the present application is to this without limiting.

For example, it is assumed that above-mentioned network system is the 5G system (as shown in Figure 2) for the PDU session for supporting more PSA, the network system Terminal in system can be user equipment (user equipment, UE), and such as: mobile phone, computer can also be cellular phone, nothing Rope phone, Session initiation Protocol (session initiation protocol, SIP) phone, smart phone, Wireless Local Loop Road (wireless local loop, WLL) stands, personal digital assistant (personal digital assistant, PDA), electricity Brain, laptop computer, hand-held communication device, Handheld computing device, satellite radio, wireless modem card, TV set-top box (set top box, STB), customer premises equipment, CPE (customer premise equipment, CPE) and/or Other equipment for being communicated on wireless system.Above-mentioned access network equipment can for access net (access network, AN)/wireless access network (radio access network, RAN) equipment, the net being made of multiple 5G-AN/5G-RAN nodes Network, the 5G-AN/5G-RAN node can be with are as follows: access node (access point, AP), next-generation base station (NR nodeB, GNB), transmitting-receiving point (transmission receive point, TRP), transfer point (transmission point, TP) or certain The other access nodes of kind.Above-mentioned session management network element can be the SMF in 5G system.Above-mentioned policy control network element can be 5G system PCF in system.Above-mentioned Gateway Network Element can be the UPF in 5G system.Above-mentioned branch/combiner can be the bifurcated in 5G system Point (Branching point, BP) or uplink classifier (Uplink Classifier, UL CL), such as: when using more ownership (Multi-Homing) when mode establishes the PDU session of more PSA, above-mentioned branch/combiner can be the BP in 5G system, when When establishing the PDU session of more PSA by the way of non-Multi-Homing, above-mentioned branch/combiner can be in 5G system UL CL.Above-mentioned mobile management network element can be access and mobile management function to ps domain (access&mobility in 5G system Function, AMF).Above-mentioned data management network element can be uniform data management (the Unified Data in 5G system Management, UDM).In 5G system shown in Fig. 2, next generation network (Next can be passed through between each different network elements Generation, NG) interface establishes connection, realize communication.

In the system shown in figure 1, first is sent to the PSA that its PDU session managed includes in session management network element Monitoring key corresponding URR, the PSA execute first according to the corresponding URR of the first monitoring key In the case where the dosage monitoring of the corresponding first dosage monitoring example of monitoring key, however, it is determined that the PDU session increased newly PSA is also required to execute the dosage monitoring to first dosage monitoring example, then policy control network element can be the newly-increased PSA points Dosage threshold value is distributed with the 2nd new monitoring key, and for the 2nd monitoring key, is sent out to session management network element The policy control information for carrying the dosage threshold value of the 2nd monitoring key is sent, so that session management network element is that this is newly-increased PSA determines the corresponding URR of the 2nd monitoring key, and sends the 2nd monitoring key to newly-increased PSA and correspond to URR, realize dosage monitoring.Specifically, the implementation can refer to shown in following Fig. 4~Fig. 6.

Wherein, session management network element and policy control in order to realize technical solution provided by the embodiments of the present application, in Fig. 1 Network element can be realized in a manner of the communication equipment in Fig. 3.As shown in figure 3, the communication equipment 200 includes at least one processing Device 201, communication line 202, memory 203 and at least one communication interface 204.

Processor 201 can be a central processing unit (central processing unit, CPU), be also possible to spy Determine integrated circuit (application specific integrated circuit, ASIC), or is arranged to implement this Apply for one or more integrated circuits of embodiment, such as: one or more microprocessors (digital signal Processor, DSP), or, one or more field programmable gate array (field programmable gate array, FPGA)。

Communication line 202 may include an access, and information is transmitted between said modules.

Communication interface 204, using the device of any transceiver one kind, for other equipment or communication, such as Ethernet, wireless access network (radio access network, RAN), WLAN (wireless local area Networks, WLAN) etc..

Memory 203 can be read-only memory (read-only memory, ROM) or can store static information and instruction Other kinds of static storage device, random access memory (random access memory, RAM) or letter can be stored The other kinds of dynamic memory of breath and instruction, is also possible to Electrically Erasable Programmable Read-Only Memory (electrically Erasable programmable read-only memory, EEPROM), CD-ROM (compact disc read- Only memory, CD-ROM) or other optical disc storages, optical disc storage (including compression optical disc, laser disc, optical disc, digital universal Optical disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store to have referring to Enable or data structure form desired program code and can by any other medium of computer access, but not limited to this. Memory, which can be, to be individually present, and is connected by communication line 202 with processor.Memory can also be integrated in processor Together.

Wherein, memory 203 be used for store execution application scheme computer executed instructions, and by processor 201 Control executes.Processor 201 is for executing the computer executed instructions stored in memory 203, to realize that the application is following The policy control method that embodiment provides.Optionally, the computer executed instructions in the embodiment of the present application can also be referred to as to answer With program code, the embodiment of the present application is not especially limited this.

In the concrete realization, as one embodiment, processor 201 may include one or more CPU, such as in Fig. 3 CPU0 and CPU1.

In the concrete realization, as one embodiment, communication equipment 200 may include multiple processors, such as in Fig. 3 Processor 201 and processor 207.Each of these processors can be a single core processor, be also possible to one Multi-CPU processor.Here processor can refer to one or more equipment, circuit, and/or for handle data (such as Computer program instructions) processing core.

In the concrete realization, as one embodiment, communication equipment 200 can also include that output equipment 205 and input are set Standby 206.Output equipment 205 and processor 201 communicate, and can show information in many ways.For example, output equipment 205 can To be liquid crystal display (liquid crystal display, LCD), Light-Emitting Diode (light emitting diode, LED equipment) is shown, cathode-ray tube (cathode ray tube, CRT) shows equipment or projector (projector) etc.. Input equipment 206 and processor 201 communicate, and can receive the input of user in many ways.For example, input equipment 206 can be with It is mouse, keyboard, touch panel device or sensing equipment etc..

It should be noted that above-mentioned communication equipment 200 can be a common apparatus either special equipment.? In the specific implementation, communication equipment 200 can be desktop computer, portable computer, network server, PDA, cell phone, plate electricity Brain, wireless terminal, embedded device or the equipment for having similar structures in Fig. 3.The embodiment of the present application does not limit communication equipment 200 Type.

It is session management network element shown in Fig. 1 with session management network element below with reference to Fig. 1, policy control network element is shown in Fig. 1 Policy control network element specifically explains technical solution provided by the embodiments of the present application for PSA is Gateway Network Element shown in Fig. 1 It states.

Fig. 4 is a kind of flow chart of policy control method provided by the embodiments of the present application, and this method is for realizing in PDU meeting It is executed on multiple PSA that words include and the dosage of the first dosage monitoring example (such as business data flow grade dosage monitors example) is supervised Control.The application scenarios of this method are one PDU session of session management NE management, which may include the first PSA and second Multiple PSA such as PSA, wherein session management network element has corresponding first URR of the first monitoring key to the first PSA transmission, First PSA executes the dosage monitoring of the corresponding first dosage monitoring example of the first monitoring key.Under the application scenarios, Step 401~step 404 as shown in Figure 4 can be executed, is executed on multiple PSA of same PDU session to same industry with realizing The dosage monitoring of data flow level dosage of being engaged in monitoring example.

Step 401: policy control network element is determined to execute on the 2nd PSA and be monitored to the dosage of the first dosage monitoring example.

Wherein, the 2nd PSA can be PSA newly-increased in PDU session.

The first dosage is monitored specifically, policy control network element can determine to execute on the 2nd PSA according to preset configuration The dosage of example monitors, which can be used for regulation and allow to access the business of the first dosage monitoring example monitoring which is A little Gateway Network Element.If policy control network element inquires preset configuration, determine that the 2nd PSA includes the gateway net in preset configuration defined In member, it is determined that execute on the 2nd PSA and monitored to the dosage of the first dosage monitoring example.Such as: if preset configuration regulation allows User accesses the business in Sohu.com on UPF2, and the business in the Sohu.com monitors what example 1 was monitored in dosage Within the scope of business, it is determined that UPF2 carries out dosage monitoring to dosage monitoring example 1.

Wherein, preset configuration can be pre-configured in policy control network element by operator, can also be by policy control net Member is obtained when executing step 401 from other network functional entities, is not limited.

It will be appreciated that determining the dosage executed on the 2nd PSA to the first dosage monitoring example in policy control network element Before monitoring, policy control network element can first know that PDU session increases the 2nd PSA newly, then, then go to judge whether on the 2nd PSA It executes and the dosage of the first dosage monitoring example is monitored.Specifically, policy control network element knows that PDU session increases the 2nd PSA packet newly Include: session management network element sends the instruction message for carrying newly-increased 2nd PSA to policy control network element, and policy control network element receives After the message, the instruction of newly-increased 2nd PSA carried according to the message determines that the PDU session increases the 2nd PSA newly.Wherein, it increases newly The instruction of 2nd PSA can serve to indicate that the 2nd PSA, can include but is not limited to the mark of the 2nd PSA, wherein the 2nd PSA's Mark may include the network function mark (Network Function Indentity, NF ID) or the 2nd PSA of the 2nd PSA Data network access mark (Data Network Access Indentity, DNAI) or the corresponding internet the 2nd PSA Protocol edition 6 prefix (Internet Protocol Version 6 Prefix, IPV6 Prefix), not limits.

Step 402: policy control network element is that the first dosage monitors the 2nd monitoring key of example allocation.

Wherein, the 2nd monitoring key is different from the first monitoring key, is that policy control network element is again The monitoring key of first dosage monitoring example allocation.

In addition, in the embodiment of the present application, policy control network element is that dosage monitoring example often distributes one After monitoring key, policy control network element can save the monitoring key's that dosage monitoring example is distributed with it Corresponding relationship, such as: policy control network element can save the first dosage monitoring example pass corresponding with the 2nd monitoring key System, so far, the corresponding relationship of dosage monitoring example and monitoring key that policy control network element saves includes: the first dosage Monitor the corresponding relationship of example and the first monitoring key, the 2nd monitoring key.

Step 403: policy control network element controls information to session management network element sending strategy, and session management network element receives plan The slightly policy control information of control network element transmission.

In a kind of possible design, policy control information includes but is not limited to PCC rule and the 2nd monitoring The corresponding dosage threshold value of key；PCC rule carries the 2nd monitoring key and is used to indicate and executes on the 2nd PSA The information of the corresponding strategy of PCC rule.In another possible design, policy control information information includes but is not limited to PCC rule Then, it the corresponding dosage threshold value of the 2nd monitoring key and is used to indicate and executes the corresponding plan of PCC rule on the 2nd PSA Information slightly, PCC rule carry the 2nd monitoring key.

Wherein, the first dosage monitoring example that the corresponding dosage threshold value of the 2nd monitoring key is contracted according to user What dosage limit, the accumulative dosage of the first dosage monitoring example and policy control network element had issued monitors example pair with the first dosage The dosage threshold value of the monitoring key (such as the first monitoring key) answered determines.As: user's signing can be calculated What the dosage limit of the first dosage monitoring example and the accumulative dosage and policy control network element of the first dosage monitoring example had issued The difference of the dosage threshold value of monitoring key corresponding with the first dosage monitoring example will be less than or equal to the difference Dosage threshold value is as the corresponding dosage threshold value of the 2nd monitoring key.The dosage of the first dosage monitoring example of user's signing Limit, the accumulative dosage of the first dosage monitoring example may include in the signing information of user, and the signing information of user can be with It is obtained after PDU session establishment from UDM by policy control network element, the signing information of user can be used for describing user for first Dosage monitors the dosage limit of example signing and the accumulative dosage of the first dosage monitoring example.

Wherein, it in any of the above-described possible design, is used to indicate and executes the corresponding strategy of PCC rule on the 2nd PSA Information can be the second PSA mark, the associated description of the mark of the 2nd PSA can refer to described in step 401, no longer superfluous It states.

Step 404: session management network element sends corresponding first PDR and the 2nd monitoring of PCC rule to the 2nd PSA The corresponding URR of key.

Wherein, the first PDR may include for detecting business data flow interblock interference information；2nd monitoring key Corresponding URR may include dosage threshold value, can also include the mark of URR.First PDR and the 2nd monitoring key is corresponding URR can determine that such as: before step 404, session management network element can root by session management network element before step 404 According to the information for executing the corresponding strategy of PCC rule on the 2nd PSA is used to indicate, determine that execution PCC rule is right on the 2nd PSA The strategy answered, triggering session managed network element determine that the interblock interference of the first PDR is believed according to the business datum flow template in PCC rule Breath, and URR is determined for the 2nd monitoring key.Wherein, the first PDR includes the 2nd monitoring key corresponding The URR association corresponding with the 2nd monitoring key of the mark of URR, i.e. the first PDR.

Specifically, session management network element determines the interblock interference of the first PDR according to the business datum flow template in PCC rule Information may include: using PCC rule in business datum flow template in be used for business data flow detection control information as divide Group detection information addition (or matching) is into the first PDR.

Specifically, session management network element is that the 2nd monitoring key determines that URR can refer to: session management network element is the The corresponding URR of two monitoring key distributes dosage threshold value, and includes determining second in URR by the dosage threshold value The dosage threshold value of the corresponding URR of monitoring key；Meanwhile session management network element can also be the URR allocation identification.Its In, the mark of the corresponding URR of the 2nd monitoring key URR corresponding with the first monitoring key can be identical, Can be different, not limit.Optionally, the 2nd monitoring key that session management network element is issued according to policy control network element Corresponding dosage threshold value is that the corresponding URR of the 2nd monitoring key distributes dosage threshold value, and such as: session management network element will be less than Or the dosage threshold value of dosage threshold value corresponding equal to the 2nd monitoring key is determined as the 2nd monitoring key couple The dosage threshold value of the URR answered.

In addition, in the embodiment of the present application, after session management network element determines URR for some monitoring key, Session management network element can also save the corresponding relationship of monitoring key and URR, such as: session management network element is being first After monitoring key determines URR1, the corresponding relationship of the first monitoring key and URR1 can be saved, is being After two monitoring key determine URR2, the corresponding relationship of the 2nd monitoring key and URR2 can be saved.

From the foregoing, it will be observed that executing industry on the PSA that PDU session increases newly when policy control network element is determined in scheme shown in Fig. 4 Data flow level dosage of being engaged in monitors example, and other PSA that business data flow dosage monitoring example and the PDU session include are executed Dosage monitoring example it is identical when, policy control network element be the dosage monitor example newly distribute a monitoring key, to Session management network element sends PCC rule, the new corresponding use of monitoring key for carrying new monitoring key It measures threshold value and is used to indicate the information for executing the dosage monitoring of business data flow dosage monitoring example on newly-increased PSA, After session management network element receives these information, it is corresponding that the PSA of Xiang Xinzeng sends PDR and new monitoring key URR is realized so that newly-increased PSA executes dosage monitoring according to the corresponding URR of PDR and new monitoring key with this It is executed in multiple PSA and the dosage of same business data flow grade dosage monitoring example is monitored.

Further, in scheme shown in Fig. 4, any PSA (the first PSA or the 2nd PSA) that PDU session includes is being received Business data flow is detected with the associated PDR of URR if monitoring when carrying out dosage monitoring according to PDR and URR to PDR and URR Accumulative dosage it is close or when reaching the dosage threshold value of URR, then the PSA can report that URR's is accumulative to session management network element Dosage executes dosage shown in Fig. 4 a and reports process；Or execute step 404 and step 408- step 415.As shown in fig. 4 a, The dosage reports the process to may include:

Step 405: session management network element receives the accumulative dosage of the URR for any PSA report that PDU session includes, judgement Whether monitoring key corresponding remaining dosage threshold value is had；There are the corresponding remaining dosages of monitoring key In the case where threshold value, step 406- step 407 is executed；Otherwise, step 408 is executed.

Wherein, any of the above-described PSA can be the first PSA or the 2nd PSA or be other PSA that PDU session includes, no Give limitation.It can be the first monitoring corresponding to the URR that monitoring key and any PSA in step 405 are reported Key, or the 2nd monitoring key；When monitoring key is the first monitoring key, any PSA For the first PSA, when monitoring key is the 2nd monitoring key, any PSA is the 2nd PSA.

Wherein, the corresponding remaining dosage threshold value of monitoring key can refer to: session management network element is from policy control The dosage threshold value and session managed network element of the monitoring key that network element receives distribute to the difference of the dosage threshold value of URR.

Specifically, PSA can also carry the mark of URR, meeting when to the accumulative dosage of session management network element report URR Talking about managed network element can determine according to the corresponding relationship of the monitoring key and URR itself saved and the mark of URR The URR that PSA is reported is corresponding with which monitoring key, if the URR is corresponding with the first monitoring key, calculates plan The difference for slightly controlling the dosage threshold value for the first monitoring key that network element issues and the accumulative dosage of URR, if the difference is Zero, it is determined that the corresponding remaining dosage threshold value of the first monitoring key is not present, otherwise, there are the first monitoring The corresponding remaining dosage threshold value of key.If the URR is corresponding with the 2nd monitoring key, calculative strategy is controlled under network element The difference of the accumulative dosage of the dosage threshold value and URR of 2nd monitoring key of hair, if the difference is zero, it is determined that do not deposit In the corresponding remaining dosage threshold value of the 2nd monitoring key, otherwise, it is corresponding surplus that there are the 2nd monitoring key Remaining dosage threshold value.

Step 406: session management network element, which updates PSA according to the corresponding remaining dosage threshold value of monitoring key, to be reported URR dosage threshold value, and send updated URR to PSA.

It is reported specifically, session management network element updates PSA according to the corresponding remaining dosage threshold value of monitoring key The dosage threshold value of URR may include: session management network element by the partial amounts threshold value or whole in remaining dosage threshold value New dosage threshold value of the dosage threshold value as URR.

Such as: the dosage threshold value of monitoring key1 is 300M, and the dosage threshold value that session management network element distributes to URR is 200M, at this point, the corresponding remaining dosage threshold value of monitoring key1 is 100M, session management network element can be by the 100M New dosage threshold value as URR is handed down to PSA.

Step 407:PSA carries out dosage monitoring according to updated URR.

Wherein, it may include: dosage of the PSA in the URR received that PSA, which carries out dosage monitoring according to updated URR, Threshold value replaces the dosage threshold value for the URR that PSA is saved originally, carries out dosage monitoring using replaced dosage threshold value.

Such as: the dosage threshold value of script URR is 200M, and the dosage threshold value for the URR that this time session management network element issues is 100M, Then PSA uses dosage threshold value to carry out dosage monitoring for the URR of 100M.

Step 408: accumulative dosage of the session management network element to policy control network element report monitoring key.

Wherein, the accumulative dosage of monitoring key include the corresponding URR of monitoring key accumulative dosage it With, as: in the scheme shown in Fig. 4 a, the accumulative dosage of monitoring key may include the accumulative use of the URR of PSA report Amount.

For example, if monitoring key1 corresponds to URR1 and URR3, wherein the accumulative dosage of URR1 is 100M, URR3's Accumulative dosage is 200M, then the accumulative dosage of monitoring key1 is 300M.

In addition, in a step 408, session management network element can also send the mark of PSA to policy control network element.Wherein, The mark of PSA can refer to the associated description of the mark of above-mentioned 2nd PSA, repeat no more.

Step 409: policy control network element receives the accumulative dosage of the monitoring key of session management reported by network elements, sentences It is disconnected whether to have the corresponding safe level threshold value of the first dosage monitoring example；There are the monitoring of the first dosage, example is corresponding allows to use In the case where measuring threshold value, step 410- step 412 is executed；Otherwise, step 413- step 415 is executed.

Wherein, the first dosage monitoring example is that dosage corresponding with monitoring key monitors example.First dosage prison Controlling the corresponding safe level threshold value of example can be according to the dosage limit for the first dosage monitoring example that user contracts, the first dosage The accumulative dosage and policy control network element for monitoring example have distributed to the corresponding monitoring of the first dosage monitoring example The dosage threshold value of key (but not receiving the accumulative dosage response message in relation to the monitoring key).Such as: user can be calculated The accumulative dosage and policy control network element that the dosage limit and the first dosage of the first dosage monitoring example of signing monitor example are The corresponding monitoring key of the first dosage monitoring example is distributed to (but not receive and add up in relation to the monitoring key Dosage response message) dosage threshold value difference, if the difference is zero, it is determined that there is no the first dosage monitoring example it is corresponding Safe level threshold value, otherwise, there are the corresponding safe level threshold values of the first dosage monitoring example.Wherein, the first of user's signing Dosage monitors the dosage limit of example, the accumulative dosage of the first dosage monitoring example as described in step 403, repeats no more.Its In, the accumulative dosage response message of session management reported by network elements may include the accumulative dosage of monitoring key；It is accumulative to use Amount response message can be include monitoring key accumulative dosage information.

For example, by taking the corresponding monitoring key1 of dosage monitoring example 1, monitoring key3 as an example, it is assumed that user The dosage limit contracted for dosage monitoring example 1 is 500M, and adding up dosage is 200M, and policy control network element determines that PSA1 is executed Dosage monitoring to dosage monitoring example 1, and be the dosage threshold value that PSA1 issues monitoring key1 be 100M, determination PSA2, which is executed, monitors the dosage of dosage monitoring example 1, and is that PSA2 issues the dosage threshold value of monitoring key3 and is 200M, when policy control network element receive the monitoring key1 of session management reported by network elements accumulative dosage 50M and It when the mark of PSA1, determines that PSA1 has reported the accumulative dosage of URR, and distributes to the dosage threshold value of monitoring key3 200M belong to policy control network element distributed to the dosage monitoring corresponding monitoring key3 of example 1 (but do not receive it is related should The accumulative dosage of monitoring key3) dosage threshold value, at this point, dosage monitoring the corresponding safe level threshold value of example 1 be 500M-200M-200M=100M.

Step 410: policy control network element monitors the corresponding safe level threshold value of example according to the first dosage and determines The new dosage threshold value of monitoring key, and issue to session management network element the new dosage threshold of monitoring key Value.

Step 411: session management network element receives the new dosage threshold value of monitoring key, according to monitoring The new dosage threshold value of key updates the dosage threshold value of URR, and sends updated URR to PSA.

Step 412:PSA carries out dosage monitoring according to updated URR.

Step 413: policy control network element, which determines, to be stopped monitoring the dosage of monitoring key, to session management network element Send expiry notification.

Wherein, the expiry notification stops monitoring the dosage of monitoring key for announcement session managed network element.

Step 414: session management network element receives expiry notification, sends removal request to PSA or stops request.

Wherein, the removal request can be used for that any PSA is requested to delete the corresponding URR of monitoring key；It is described Stop the dosage monitoring that request can be used for that any PSA is requested to stop URR corresponding to montoring key.

Step 415:PSA receives removal request, deletes the corresponding URR of the first monitoring key according to removal request； Or receive and stop request, it is monitored according to the dosage for stopping requesting to stop URR corresponding to the first monitoring key.

Wherein, deleting the corresponding URR of the first monitoring key can refer to: URR is deleted from associated PDR. Specifically, the mark of URR can be deleted from the associated PDR of URR.

In this way, session management network element is after the accumulative dosage for receiving the URR that PSA is reported, it can be by itself available use Amount threshold value is reassigned to the PSA, and the accumulative of the corresponding monitoring key of the URR can also be sent to policy control network element Dosage, so that policy control network element re-issues the corresponding dosage threshold value of the monitoring key.

It should be noted that Fig. 4 a only reports process to be expounded the dosage of a PSA.In the embodiment of the present application In, it also supports to carry out two or more PSA simultaneously the scheme that dosage reports, when two or more PSA are same Shi Jinhang dosage reports, and implementation procedure can refer to described in Fig. 4 a, repeats no more.

Fig. 5 is a kind of flow chart of policy control method provided by the embodiments of the present application, and this method is for realizing in PDU meeting It is executed on multiple PSA that words include and the dosage of same session level dosage monitoring example is monitored.The application scenarios of this method are meeting It talks about managed network element and manages a PDU session, which may include multiple PSA such as the first PSA and the 2nd PSA, wherein first PSA executes the dosage monitoring of the corresponding first dosage monitoring example of the first monitoring key, and the first dosage monitoring example is Session level dosage monitors example.Under the application scenarios, step 501~step 504 as shown in Figure 5 can be executed, to realize It is executed on multiple PSA of same PDU session and the dosage of same session level dosage monitoring example is monitored.

Step 501: policy control network element is determined executes the monitoring of session level dosage on the 2nd PSA.

Wherein, step 501 can refer to described in step 401, repeat no more.

Step 502: policy control network element is that the first dosage monitors the 2nd monitoring key of example allocation.

Wherein, step 502 can refer to described in step 402, repeat no more.

Step 503: policy control network element controls information to session management network element sending strategy, and session management network element receives plan The slightly policy control information of control network element transmission.

Wherein, the dosage monitoring information may include the corresponding dosage threshold value of the 2nd monitoring key, Yi Jiyong The information that session level dosage monitors is executed on the 2nd PSA in instruction or executes session level on all PSA that PDU session includes The information of dosage monitoring.Specifically, can be indicated by carrying the mark of the 2nd PSA in policy control information second The monitoring of session level dosage is executed on PSA, such as: the information for being used to indicate the execution session level dosage monitoring on the 2nd PSA can be The mark of 2nd PSA can be true when in the policy control information that session management network element receives including the mark of the 2nd PSA It is scheduled on the 2nd PSA and executes the monitoring of session level dosage；Similarly, the mark of the carrying PDU session in policy control information can be passed through Know indicate on all PSA that PDU session includes execute session level dosage monitoring, as: be used to indicate PDU session includes The information that the monitoring of session level dosage is executed on all PSA can be the mark of PDU session, when the plan that session management network element receives When slightly controlling the mark in information including PDU session, it can determine that session level is executed on all PSA that PDU session includes to be used Amount monitoring.Wherein, the mark of the 2nd PSA can refer to the associated description in Fig. 4, repeat no more.

Wherein, the corresponding dosage threshold value of the 2nd monitoring key is repeated no more as described in step 403.

Step 504: session management network element sends the corresponding URR of the 2nd monitoring key to the 2nd PSA.

Wherein, all PDR executed on the corresponding URR of the 2nd monitoring key and the 2nd PSA are associated with, unless indicated The matched business datum of certain PDR be not included in session level dosage monitoring when, the corresponding URR of the 2nd monitoring key not with this PDR association, i.e. the corresponding URR of the 2nd monitoring key can be with business data packet execute on the 2nd PSA and matched Include all PDR association in the monitoring of session level dosage.The corresponding URR of 2nd monitoring key may include dosage threshold Value, URR mark.The corresponding URR of 2nd monitoring key can be determined before step 504 by session management network element.Such as: Before step 504, session management network element can execute the monitoring of session level dosage according to being used to indicate on the 2nd PSA, or For executing the policy control information of session level dosage monitoring on all PSA that the PDU session includes, determine second PSA conversates the monitoring of grade dosage, and determines URR for the 2nd monitoring key；Meanwhile session management network element can also be The URR distributes corresponding URR mark.

Specifically, the corresponding URR of the 2nd monitoring key can be according to the corresponding use of the 2nd monitoring key It measures threshold value to determine, such as: can use by the partial amounts threshold value of the corresponding dosage threshold value of the 2nd monitoring key or all Measure dosage threshold value of the threshold value as the corresponding URR of the 2nd monitoring key.

From the foregoing, it will be observed that executing meeting on the PSA that PDU session increases newly when policy control network element is determined in scheme shown in Fig. 5 The monitoring of grade dosage is talked about, and the session level dosage monitors also when executing on other PSA that the PDU session includes, for dosage prison Control example newly distributes a monitoring key, sends to session management network element and is used to indicate the meeting of execution on newly-increased PSA The information and the new corresponding dosage threshold value of monitoring key, session management network element of words grade dosage monitoring receive the information Afterwards, the PSA of Xiang Xinzeng sends the new corresponding URR of monitoring key, so that newly-increased PSA is according to monitoring key Corresponding URR executes dosage monitoring, realizes to execute in multiple PSA with this and supervise to the dosage of same session level dosage monitoring example Control.

Further, in scheme shown in Fig. 5, any PSA (the first PSA or the 2nd PSA) that PDU session includes is being received Business data flow is detected with the associated PDR of URR if monitoring when carrying out dosage monitoring according to PDR and URR to PDR and URR Accumulative dosage it is close or when reaching the dosage threshold value of URR, then the PSA can report that URR's is accumulative to session management network element Dosage after session management network element receives the accumulative dosage of URR, executes dosage shown in Fig. 4 a and reports process, repeat no more.

It should be noted that above-mentioned Fig. 4 and Fig. 5 only monitor example to business data flow grade dosage or session level dosage is supervised Control example is described for the first PSA and the 2nd PSA that PDU session includes are executed simultaneously, it will be understood that, for same One dosage monitoring example can also refer to above scheme in the process that more than two PSA that PDU session includes are executed simultaneously, no longer superfluous It states.In addition, figure 4 above, Fig. 5 are directed to the monitoring of business data flow grade dosage respectively, the monitoring of session level dosage is expounded, in reality In the application of border, it can also realize that business data flow is executed on multiple PSA that PDU session includes to be used in conjunction with Fig. 4 and Fig. 5 scheme Amount monitoring example and session level dosage monitor example.

It is below the SMF of Fig. 2 with session management network element, policy control network element is the PCF of Fig. 2, business data flow dosage prison Control example, session level dosage monitoring example execute on two PSA of the UPF1 and UPF2 that PDU session includes simultaneously, business datum Stream dosage monitoring example corresponds to monitoring key1, monitoring key3；It is corresponding that session level dosage monitors example For monitoring key2, monitoring key4, above-mentioned technical proposal is described in detail.Specifically, can refer to Shown in Fig. 6.

Fig. 6 is a kind of flow chart of policy control method provided by the embodiments of the present application, as shown in fig. 6, the method packet It includes:

Step 601: user establishes PDU session by UPF1, and PCF determines that executing dosage in UPF1 monitors according to preset configuration The dosage of example 1 monitors and the dosage monitoring of dosage monitoring example 2.

Wherein, dosage monitoring example 1 is that business data flow rank dosage monitors example, and dosage monitors 2 respective session of example Grade dosage monitors example.PCF is determined according to preset configuration executes the dosage monitoring and dosage of dosage monitoring example 1 in UPF1 The process of the dosage monitoring of monitoring example 2 can refer to above-mentioned steps 401 and step 501, repeat no more.

Step 602:PCF formulates PCC rule 1,2 and 1 and of dosage monitoring information of PCC rule according to the signing information of user Dosage monitoring information 2, and PCC rule 1, PCC rule 2, dosage monitoring information 1 and dosage monitoring information 2 are sent to SMF, and It executes PCC rule 3, the instruction of PCC rule 4 in UPF2 and executes session level on all PSA of PDU session or on UPF1 and use Measure the instruction of monitoring.

Wherein, the signing information of user can be obtained when executing step 601 from UDM by PCF, and the signing information of user can To include the signing information of business data flow rank and the signing information of PDU session-level, the signing letter of business data flow rank Breath includes monitoring key_a, business data flow rank instruction (SDF Level Indication) and dosage limit (Voume limit and/or Time limit).PDU session-level information includes PDU session-level instruction (Session level ) and dosage limit (Voume limit and/or Time limit) indication.Accumulative dosage monitoring information includes business The dosage information of data flow level other dosage information and PDU session-level；The dosage information of business data flow rank includes Monitoring key_a, the instruction of business data flow rank and accumulative dosage (Voume usage and/or Time usage), The dosage information of PDU session-level includes the instruction of PDU session-level and accumulative dosage (Voume usage and/or Time usage)。

Wherein, monitoring key_a is corresponding with dosage monitoring example；The instruction of business data flow rank is used to indicate The corresponding dosage monitoring example of monitoring key_a is that business data flow grade dosage monitors example, the instruction of PDU session-level It is used to indicate PDU session-level information respective session grade dosage monitoring example

Wherein, include monitoring key1 in PCC rule 1, include monitoring key2 in PCC rule 2.PCC 1 and PCC of rule rule 2 be all not provided with by PCC rule detection to the instruction that is excluded from session level dosage of dosage, i.e. PCF The dosage of decision PCC 1 and PCC of rule rule 2 will be accumulated in the monitoring of session level dosage.Dosage monitoring information 1 is to application amount Monitor example 1, including [monitoring key1, the instruction of PCC rule, dosage threshold value threshold1].Dosage monitoring information 2 It is corresponding that example 2, including [monitoring key2, session-level instruction, dosage threshold value threshold2] are monitored to application amount. Wherein, the instruction of PCC rule can indicate for business data flow rank, be used to indicate monitoring key1 and correspond to business datum It flows grade dosage and monitors example.

Wherein, UPF2 executes PCC rule 3, the instruction of PCC rule 4 can be the mark of UPF1, in the institute of PDU session The instruction for having on PSA or executing on UPF1 the monitoring of session level dosage can be the mark of PDU session.

It should be noted that when being configured on SMF when all PSA execute the strategy of session level dosage monitoring, in step 602 It can not have to issue the instruction for executing the monitoring of session level dosage on all PSA of PDU session or on UPF1.Wherein, on SMF The strategy for executing the monitoring of session level dosage in all PSA of configuration can be handed down to SMF by PCF before step 602.

Step 603:SMF receives PCC rule 1, PCC rule 2, dosage monitoring information 1 and dosage monitoring information 2, Yi Ji UPF2 executes PCC rule 3, the instruction of PCC rule 4 and executes session level dosage on all PSA of PDU session or on UPF1 The instruction of monitoring.

Step 604:SMF formulates PDR1 according to PCC rule 1, PDR2 is formulated according to PCC rule 2, according to dosage monitoring information 1 formulates URR1, formulates URR2 according to dosage monitoring information 2.

It wherein, include the corresponding interblock interference information of business datum flow template of PCC rule 1 in PDR1.It is wrapped in PDR2 The corresponding interblock interference information of business datum flow template in PCC rule 2 is included.Monitoring key1 is corresponding with URR1, The dosage threshold value threshold1* of URR1 is less than or equal to threshold1；Monitoring key2 is corresponding with URR2, URR2 Dosage threshold value be less than or equal to threshold2*, and URR1 is associated with PDR1, URR2 is associated with PDR1 and PDR2.

Specifically, SMF can execute PCC rule 3, the instruction of PCC rule 4 and owning in PDU session according in UPF2 PSA is upper or UPF1 on execute the instruction of session level dosage monitoring, determine that PCC rule 1, PCC rule 4 are executed on UPF1 is corresponding Monitoring strategies, and on UPF1 execute session level dosage monitoring, triggering SMF execute step 604.

Step 605:SMF sends PDR1, PDR2, URR1 and URR2 to UPF1.

Step 606:UPF1 carries out dosage monitoring according to the associated URR1 of PDR1 and PDR1, according to PDR2, PDR1 and PDR1 Dosage monitoring is carried out with the associated URR2 of PDR2.

Further, UPF1 carries out dosage monitoring according to the associated URR1 of PDR1 and PDR1, according to PDR2, PDR1 and PDR1 After carrying out dosage monitoring with the associated URR2 of PDR2, UPF1 can also report accumulative dosage to SMF, execute mistake shown in Fig. 4 a Journey repeats no more.

Step 607:SMF is that PDU session increases a PSA (such as UPF2) newly.

Wherein, above-mentioned PDU session is the session established on UPF1, and UPF1 and UPF2 are different UPF, the two quilt SMF is managed.

Specifically, it is the prior art that SMF, which is the process that PDU session increases a PSA newly, repeat no more, when SMF is PDU meeting After talking about newly-increased PSA, the corresponding relationship of the UPF in the PDU session and the PDU session can be reserved in SMF.

Step 608:SMF sends event notice to PCF, notifies to increase a PSA in the PCF PDU session newly.

Wherein, event notice may include the mark of UPF2 and the mark of PDU session.

Wherein, for the mark of UPF2 for identifying UPF2, the mark of UPF2 can be the DNAI of the NF ID or UPF2 of UPF2, It can also be the corresponding IPV6 Prefix of UPF2, not limit.

Step 609, PCF receive event notice, according to preset configuration determine UPF2 execute to dosage monitor example 1 and Dosage monitors the dosage monitoring of example 2, and monitors example 1 for dosage and distribute monitoring key3, and is real for dosage monitoring Example 2 distributes monitoring key4.

Specifically, PCF is determined according to preset configuration executes the dosage monitoring and dosage of dosage monitoring example 1 in UPF2 The process of the dosage monitoring of monitoring example 2 can refer to above-mentioned steps 401 and step 501, repeat no more.

In addition, PCF can also record monitoring key_a and monitoring key1, monitoring key3 Corresponding relationship, session level dosage monitor the corresponding relationship of example and monitoring key2, monitoring key4.

Step 610:PCF formulates PCC rule 3,4 and 3 and of dosage monitoring information of PCC rule according to the signing information of user Dosage monitoring information 4.

Wherein, dosage monitoring information 3 includes [monitoring key3, the instruction of PCC rule, dosage threshold value threshold3]；Dosage monitoring information 4 includes [monitoring key4, session-level instruction and dosage threshold value threshold4].Specifically, step 610 can refer to described in step 602, repeat no more.

Wherein, dosage threshold value threshold3 can be according to dosage limit, the industry in the signing information of business data flow grade The accumulative dosage being engaged in the dosage information of data flow level and the dosage threshold value threshold1 issued are calculated, such as: Threshold3 can be less than or equal to dosage limit-and add up dosage-threshold1.Similarly, threshold4 can basis Dosage limit in the signing information of session level, the accumulative dosage in the dosage information of session level and the dosage threshold issued Value threshold2 is calculated, such as: threshold4 can be less than or equal to dosage limit-and add up dosage-threshold2. Such as: assuming that the dosage limit of dosage monitoring example 1 is 1000M, adding up dosage is 500M, and what is issued monitors example 1 with dosage The dosage threshold value of corresponding monitoring key1 is 100M, then the dosage threshold value of monitoring key3 can be less than or wait It such as can be 200M in 1000M-500M-100M=400M.

It should be noted that step 610 can be held in the entire lifetime that PDU session includes two PSA of UPF1 and UPF2 Row.

Step 611:PCF sends PCC rule 3, PCC rule 4, dosage monitoring information 3 and dosage monitoring information 4 to SMF, with And the instruction of PCC rule 3, PCC rule 4 is executed in UPF2.

It should be noted that if PCF does not issue all PSA execution session level dosage prison in PDU session in step 602 The strategy monitored in all PSA execution session level dosage is not configured on the instruction of control or SMF, then in step 611, PCF is also It issues and executes the monitoring of session level dosage in UPF2 or execute the instruction of session level dosage monitoring in all PSA.

In addition, can carry in PCC rule 3 in the instruction that UPF2 executes PCC rule 3, PCC rule 4 is executed in UPF2 Instruction can carry in PCC rule 4.

Step 612:SMF receives PCC rule 3, PCC rule 4, dosage monitoring information 3, dosage monitoring strategies 4, PCC rule 3 The instruction executed on UPF2 with PCC rule 4.

Step 613:SMF formulates PDR3 according to PCC rule 3, PDR4 is formulated according to PCC rule 4, according to dosage monitoring information 3 formulate URR3, formulate URR4 according to dosage monitoring information 4, send PDR3, PDR4 and associated URR3, URR4 to UPF2.

Wherein, in PDR3 include the corresponding interblock interference information of business datum flow template in PCC rule 3.In PDR4 It include the corresponding interblock interference information of business datum flow template in PCC rule 4.Monitoring key3 is corresponding with URR3, The dosage threshold value threshold3* of URR3 is less than or equal to threshold3；Monitoring key4 is corresponding with URR4, URR4 Dosage threshold value threshold4* be less than or equal to threshold4, and URR3 is associated with PDR3, by URR4 and PDR3 and PDR4 association, i.e. URR3 will be associated with all PDR executed in UPF2, unless the matched business datum of the PDR is needed from session level Dosage is monitored from deduction.

Specifically, the finger that SMF is executed on UPF2 according to monitoring key3 and the PCC rule 3 in PCC rule 3 Show, determines and dosage monitoring is carried out to monitoring key3 on UPF2, include in PDU session according to what is issued in step 602 All PSA on execute session level dosage monitoring instruction determine on UPF2 to monitoring key4 carry out dosage monitoring Afterwards, triggering SMF executes step 613.

It should be noted that SMF can save threshold3- when threshold3* is less than threshold3 Remaining dosage after threshold3*；When threshold4* is less than threshold4, SMF can be saved Remaining dosage after threshold4-threshold4*.

In addition, SMF also saves the corresponding relationship of URR Yu monitoring key in step 613.So far, it is protected in SMF The URR deposited has with the corresponding relationship of monitoring key: monitoring key1 corresponding URR1, monitoring key2 couple URR2, monitoring key3 is answered to correspond to URR3, monitoring key4 corresponds to URR4.

Step 614, UPF2 carry out dosage monitoring according to the associated URR3 of PDR3 and PDR3, according to PDR3, PDR4 and PDR3 Dosage monitoring is carried out with the associated URR4 of PDR4.

Further, after the step 614, UPF2 can also report accumulative dosage to SMF, execute process shown in Fig. 4 a, It repeats no more.

It is above-mentioned that mainly scheme provided by the embodiments of the present application is described from the angle of interaction between each network element.It can With understanding, in order to realize the above functions, it comprises execute each function for above-mentioned session management network element, policy control network element Corresponding hardware configuration and/or software module.Those skilled in the art should be readily appreciated that, in conjunction with disclosed herein Each exemplary unit and algorithm steps of embodiment description, the application can be with the combination shape of hardware or hardware and computer software Formula is realized.Some functions is executed in a manner of hardware or computer software driving hardware actually, depends on technical solution Specific application and design constraint.Professional technician can realize each specific application using distinct methods Described function, but this realization is it is not considered that exceed scope of the present application.

The embodiment of the present application can carry out function mould to session management network element, policy control network element according to above method example The division of block, for example, each functional module of each function division can be corresponded to, it can also be by two or more function collection In Cheng Yi processing module.Above-mentioned integrated module both can take the form of hardware realization, can also use software function The form of module is realized.It should be noted that being schematically that only one kind is patrolled to the division of module in the embodiment of the present application Function division is collected, there may be another division manner in actual implementation.

In the case where each function division of use correspondence each functional module, Fig. 7 is shown involved in above-described embodiment Policy control network element a kind of possible composition schematic diagram, the policy control network element determine a PDU session include the first PSA It is supervised with the dosage of the 2nd PSA, and the corresponding first dosage monitoring example of the first monitoring key of determining first PSA execution Control.As shown in fig. 7, the policy control network element may include: determination unit 71, allocation unit 72, transmission unit 73 and receive Unit 74.

In a kind of possible design, determination unit 71 monitors example to the first dosage for determining to execute on the 2nd PSA Dosage monitoring；Allocation unit 72, for monitoring the 2nd monitoring key of example allocation for the first dosage；Transmission unit 73, for controlling information to session management network element sending strategy.

Wherein, policy control information includes PCC rule and the corresponding dosage threshold value of the 2nd monitoring key, PCC Rule carries the 2nd monitoring key and is used to indicate the information for executing the corresponding strategy of PCC rule on the 2nd PSA； Alternatively, policy control information includes PCC rule, the corresponding dosage threshold value of the 2nd monitoring key and is used to indicate The information of the corresponding strategy of PCC rule is executed on 2nd PSA, PCC rule carries the 2nd monitoring key.

In another possible design, determination unit 71 executes the monitoring of session level dosage for determining on the 2nd PSA； Allocation unit 72, for monitoring the 2nd monitoring key of example allocation for session level dosage；Transmission unit 73 is used for meeting It talks about managed network element sending strategy and controls information.

Wherein, policy control information includes: the corresponding dosage threshold value of the 2nd monitoring key, and is used to indicate The information of session level dosage monitoring is executed on 2nd PSA or on all PSA that PDU session includes.

In conjunction with any of the above-described kind of possible design, receiving unit 74, for being sent out in transmission unit 73 to session management network element After sending policy control information, the corresponding any monitoring of the first dosage monitoring example of session management network element report is received The accumulative dosage of key；Determination unit 71 is also used to judge whether there is the corresponding safe level threshold of the first dosage monitoring example Value；Transmission unit 73 is also used to there are safe level threshold value, according to safe level threshold value to session management network element Send the corresponding new dosage threshold value of any monitoring key；In the case where no safe level threshold value, to session pipe It manages network element and sends expiry notification, wherein expiry notification stops for announcement session managed network element to any monitoring key The dosage monitoring of corresponding dosage report rule URR.Wherein, any monitoring key be the first monitoring key or The 2nd monitoring key of person.

It should be noted that all related contents for each step that above method embodiment is related to can quote correspondence The function of functional module describes, and repeats no more.Policy control network element provided by the embodiments of the present application, for executing above-mentioned strategy control Method processed, therefore can achieve effect identical with above-mentioned policy control method.

Using integrated unit, policy control network element may include processing module and communication module, processing Module is for carrying out control management to the movement of policy control network element.Communication module is for support policy control network element and other nets The communication of network entity, such as the communication between functional module shown in fig. 1 or network entity.Policy control network element can also wrap Memory module is included, the program code and data for storage server.Wherein, processing module can be processor or controller. It, which may be implemented or executes, combines various illustrative logic blocks, module and circuit described in the disclosure of invention.Place Reason device is also possible to realize the combination of computing function, such as combines comprising one or more microprocessors, DSP and microprocessor Combination etc..Communication module can be transceiver, transmission circuit or communication interface etc..Memory module can be memory.

When processing module is processor, communication module is communication interface, when memory module is memory, the embodiment of the present application Related policy control network element can be communication equipment shown in Fig. 3.

In the case where each function division of use correspondence each functional module, Fig. 8 is shown involved in above-described embodiment Session management network element a kind of possible composition schematic diagram, a PDU session of the session management NE management includes first PSA and the 2nd PSA, session management network element send the corresponding URR of the first monitoring key to the first PSA.As shown in figure 8, The session management network element may include: receiving unit 80, transmission unit 81, determination unit 82.

In a kind of possible design, receiving unit 80 is sent out for receiving the policy control information from policy control network element Unit 81 is sent, for sending the corresponding first PDR and corresponding URR of the 2nd monitoring key of PCC rule to the 2nd PSA, Wherein, the mark of the corresponding URR of the 2nd monitoring key is carried in the first PDR；

Wherein, the 2nd monitoring key same dosage corresponding with the first monitoring key monitors example.Strategy Control information includes PCC rule and the corresponding dosage threshold value of the 2nd monitoring key, and PCC rule carries second Monitoring key and the information for being used to indicate the corresponding strategy of PCC rule on the 2nd PSA；Alternatively, policy control is believed Breath includes PCC rule, is used to indicate the information of the corresponding strategy of PCC rule, the 2nd monitoring key couple on the 2nd PSA The dosage threshold value answered, PCC rule carry the 2nd monitoring key.

In conjunction in the possible design, determination unit 82, it is right to be used to send PCC rule to the 2nd PSA in transmission unit 81 It is true according to the business datum flow template in PCC rule before the first PDR and the corresponding URR of the 2nd monitoring key that answer The interblock interference information of fixed first PDR, and URR is determined for the 2nd monitoring key.

In another possible design, receiving unit 80, for receiving the policy control information from policy control network element； Wherein, policy control information includes: the corresponding dosage threshold value of the 2nd monitoring key, and is used to indicate in the 2nd PSA The information of session level dosage monitoring is executed on all PSA that upper or PDU session includes；Transmission unit 81 is used for the 2nd PSA Send the corresponding URR of the 2nd monitoring key.

In conjunction with any of the above-described kind of possible design, receiving unit 80 is also used to send in transmission unit 81 to the 2nd PSA After the corresponding first packet detected rule PDR and corresponding URR of the 2nd monitoring key of PCC rule, PDU session packet is received The accumulative dosage of the URR of any PSA report included, transmission unit 81 are also used to policy control reported by network elements monitoring The accumulative dosage of key；Alternatively,

Receiving unit 80 is also used to send the corresponding first packet detected rule of PCC rule to the 2nd PSA in transmission unit 81 After the PDR and corresponding URR of the 2nd monitoring key, the accumulative of the URR for any PSA report that PDU session includes is received Dosage, determination unit 82 are also used to judge whether there is the corresponding remaining dosage threshold value of monitoring key, remaining existing Dosage threshold value in the case where, the dosage threshold value of the URR of any PSA report is updated according to remaining dosage threshold value；Transmission unit 81, it is also used in the case where no remaining dosage threshold value, to the accumulative of policy control network element report monitoring key Dosage；Wherein, monitoring key is monitoring key, monitoring corresponding to the URR of any PSA report The accumulative dosage of key includes the accumulative dosage of the URR of any PSA report；Any PSA is the first PSA or the 2nd PSA.

It should be noted that all related contents for each step that above method embodiment is related to can quote correspondence The function of functional module describes, and repeats no more.Session management network element provided by the embodiments of the present application is for executing above-mentioned strategy control Method processed, therefore can achieve effect identical with above-mentioned policy control method.

Using integrated unit, session management network element may include processing module and communication module, processing Module is for carrying out control management to the movement of session management network element.Communication module is for supporting session management network element and other nets The communication of network entity, such as the communication between functional module shown in fig. 1 or network entity.Session management network element can also wrap Memory module is included, for storing the program code and data of session management network element.Wherein, processing module can be processor or control Device processed.It, which may be implemented or executes, combines various illustrative logic blocks, module and electricity described in the disclosure of invention Road.Processor is also possible to realize the combination of computing function, such as combines comprising one or more microprocessors, DSP and Wei Chu Manage the combination etc. of device.Communication module can be transceiver, transmission circuit or communication interface etc..Memory module can be storage Device.When processing module is processor, communication module is communication interface, when memory module is memory, involved by the embodiment of the present application And session management network element can be communication equipment shown in Fig. 3.

In the above-described embodiments, can come wholly or partly by software, hardware, firmware or any combination thereof real It is existing.When being realized using software program, can entirely or partly realize in the form of a computer program product.The computer Program product includes one or more computer instructions.On computers load and execute computer program instructions when, all or It partly generates according to process or function described in the embodiment of the present application.The computer can be general purpose computer, dedicated meter Calculation machine, computer network or other programmable devices.The computer instruction can store in computer readable storage medium In, or from a computer readable storage medium to the transmission of another computer readable storage medium, for example, the computer Instruction can pass through wired (such as coaxial cable, optical fiber, number from a web-site, computer, server or data center Word user line (digital subscriber line, DSL)) or wireless (such as infrared, wireless, microwave etc.) mode to another A web-site, computer, server or data center are transmitted.The computer readable storage medium can be computer Any usable medium that can be accessed either includes the numbers such as one or more server, data centers that medium can be used to integrate According to storage equipment.The usable medium can be magnetic medium (for example, floppy disk, hard disk, tape), optical medium (for example, DVD), Or semiconductor medium (such as solid state hard disk (solid state disk, SSD)) etc..

Although the application is described in conjunction with each embodiment herein, however, implementing the application claimed In the process, those skilled in the art are by checking the attached drawing, disclosure and the appended claims, it will be appreciated that and it is real Other variations of the existing open embodiment.In the claims, " comprising " (comprising) word is not excluded for other compositions Part or step, "a" or "an" are not excluded for multiple situations.Claim may be implemented in single processor or other units In several functions enumerating.Mutually different has been recited in mutually different dependent certain measures, it is not intended that these are arranged It applies to combine and generates good effect.

Although the application is described in conjunction with specific features and embodiment, it is clear that, do not departing from this Shen In the case where spirit and scope please, it can be carry out various modifications and is combined.Correspondingly, the specification and drawings are only institute The exemplary illustration for the application that attached claim is defined, and be considered as covered within the scope of the application any and all and repair Change, change, combining or equivalent.Obviously, those skilled in the art the application can be carried out various modification and variations without It is detached from spirit and scope.If in this way, these modifications and variations of the application belong to the claim of this application and its Within the scope of equivalent technologies, then the application is also intended to include these modifications and variations.

Claims

1. a kind of policy control method, policy control network element determines that a protocol Data Unit PDU session includes the first PDU session Anchor point PSA and the 2nd PSA, the policy control network element determine that the first PSA executes the first monitor key monitoring key The dosage monitoring of corresponding first dosage monitoring example；It is characterized in that, which comprises

The policy control network element is determined to execute on the 2nd PSA and be monitored to the dosage of first dosage monitoring example；

The policy control network element is that first dosage monitors the 2nd monitoring key of example allocation；

The policy control network element controls information to session management network element sending strategy, wherein the policy control information includes Policy and charging control PCC rule and the corresponding dosage threshold value of the 2nd monitoring key；The PCC rule carries institute It states the 2nd monitoring key and is used to indicate the letter for executing the corresponding strategy of the PCC rule on the 2nd PSA Breath.

2. the method according to claim 1, wherein

First dosage monitoring example that the corresponding dosage threshold value of the 2nd monitoring key is contracted according to user First dosage that dosage limit, the accumulative dosage of first dosage monitoring example and the policy control network element have issued The dosage threshold value for monitoring the corresponding monitoring key of example determines.

3. method according to claim 1 or 2, which is characterized in that the method also includes:

The policy control network element saves the first dosage monitoring example and the first monitoring key, described second The corresponding relationship of monitoring key.

4. method according to claim 1-3, which is characterized in that in the policy control network element to session management After network element sending strategy controls information, the method also includes:

First dosage monitoring example that the policy control network element receives the session management network element report is corresponding any The accumulative dosage of monitoring key；

The policy control network element judges whether there is the corresponding safe level threshold value of the first dosage monitoring example；Exist In the case where the safe level threshold value, the policy control network element is according to the safe level threshold value to the session management net Member sends the corresponding new dosage threshold value of any monitoring key；No safe level threshold value the case where Under, the policy control network element sends expiry notification to the session management network element, wherein the expiry notification is for notifying institute Session management network element is stated to stop monitoring the dosage of any monitoring key；

Wherein, any monitoring key is the first monitoring key or the 2nd monitoring key。

5. according to the method described in claim 4, it is characterized in that,

When the policy control network element receives the accumulative of the first monitoring key of the session management network element report When dosage, the policy control network element also receives the mark for the first PSA that the session management network element is sent；

When the policy control network element receives the accumulative of the 2nd monitoring key of the session management network element report When dosage, the policy control network element also receives the mark for the 2nd PSA that the session management network element is sent.

6. a kind of policy control method, a protocol Data Unit PDU session of session management NE management includes the first PDU meeting Anchor point PSA and the 2nd PSA is talked about, the session management network element sends the first monitor key monitoring key to the first PSA Corresponding dosage reports rule URR；It is characterized in that, which comprises

The session management network element receives the policy control information from policy control network element, wherein the policy control information Including policy and charging control PCC rule and the corresponding dosage threshold value of the 2nd monitoring key；Wherein, the PCC rule It carries the 2nd monitoring key and is used to indicate the regular corresponding strategy of the PCC on the 2nd PSA Information, the 2nd monitoring key same dosage corresponding with the first monitoring key monitor example；

The session management network element sends the corresponding first packet detected rule PDR of PCC rule and described to the 2nd PSA The corresponding URR of 2nd monitoring key, wherein it is corresponding to carry the 2nd monitoring key in first PDR The mark of URR.

7. according to the method described in claim 6, it is characterized in that, being sent in the session management network element to the 2nd PSA It is described before the PCC rule corresponding first packet detected rule PDR and corresponding URR of the 2nd monitoring key Method further include:

The session management network element determines that the grouping of the first PDR is examined according to the business datum flow template in the PCC rule Measurement information, and URR is determined for the 2nd monitoring key.

8. method according to claim 6 or 7, which is characterized in that

9. according to the described in any item methods of claim 6-8, which is characterized in that the session management network element is to described second PSA send the PCC rule corresponding first packet detected rule PDR and corresponding URR of the 2nd monitoring key it Afterwards, the method also includes:

The session management network element receives the accumulative dosage of the URR for any PSA report that the PDU session includes, the session Accumulative dosage of the managed network element to the policy control reported by network elements monitoring key；Alternatively,

The session management network element receives the accumulative dosage of the URR for any PSA report that the PDU session includes, the session Managed network element judges whether there is the corresponding remaining dosage threshold value of the monitoring key；There are the remaining dosages In the case where threshold value, the session management network element updates URR's that any PSA is reported according to the remaining dosage threshold value Dosage threshold value；In the case where no remaining dosage threshold value, the session management network element is to the policy control network element Report the accumulative dosage of the monitoring key；

Wherein, the monitoring key is monitoring key corresponding to the URR of any PSA report, described The accumulative dosage of monitoring key includes the accumulative dosage of the URR of any PSA report；Any PSA is described First PSA or the 2nd PSA.

10. according to the method described in claim 9, it is characterized in that, working as the session management network element to the policy control net When member reports the accumulative dosage of the monitoring key, the method also includes:

The session management network element sends the mark of any PSA to the policy control network element.

11. method according to claim 9 or 10, which is characterized in that the method also includes:

The session management network element receives the new dosage threshold for the monitoring key that the policy control network element is sent Value；Alternatively, the session management network element receives the expiry notification that the policy control network element is sent, to any PSA It sends removal request or stops request, wherein the removal request is for requesting described in any PSA deletion The corresponding URR of monitoring key, the stopping request is for requesting any PSA to stop to the montoring The dosage of the corresponding URR of key monitors.

12. according to the described in any item methods of claim 9-11, which is characterized in that

The remaining dosage threshold value is described in the session management network element is received from the tactical management network element The dosage threshold value of URR is not yet assigned in the corresponding dosage threshold value of monitoring key.

13. a kind of policy control network element, the policy control network element determines that a protocol Data Unit PDU session includes first PDU session anchor point PSA and the 2nd PSA, the policy control network element determine that the first PSA executes the first monitor key The dosage monitoring of the corresponding first dosage monitoring example of monitoring key；It is characterized in that, the policy control network element packet It includes:

Determination unit monitors the dosage of first dosage monitoring example for determining to execute on the 2nd PSA；

Allocation unit, for monitoring the 2nd monitoring key of example allocation for first dosage；

Transmission unit, for controlling information to session management network element sending strategy, wherein the policy control information includes strategy Charging control PCC rule and the corresponding dosage threshold value of the 2nd monitoring key；The PCC rule carries described the Two monitoring key and being used to indicate execute the information of the corresponding strategy of the PCC rule on the 2nd PSA.

14. policy control network element according to claim 13, which is characterized in that

15. policy control network element described in 3 or 14 according to claim 1, which is characterized in that

The allocation unit is also used to save first dosage monitoring example and the first monitoring key, described The corresponding relationship of 2nd monitoring key.

16. the described in any item policy control network elements of 3-15 according to claim 1, which is characterized in that the policy control network element Further include:

Receiving unit, for receiving the meeting after the transmission unit controls information to session management network element sending strategy Talk about the accumulative dosage of the corresponding any monitoring key of first dosage monitoring example of managed network element report；

The determination unit is also used to judge whether there is the corresponding safe level threshold value of the first dosage monitoring example；

The transmission unit is also used to there are the safe level threshold value, according to the safe level threshold value to The session management network element sends the corresponding new dosage threshold value of any monitoring key；Described allow to use no In the case where measuring threshold value, Xiang Suoshu session management network element sends expiry notification, wherein the expiry notification is for notifying the meeting Managed network element is talked about to stop monitoring the dosage of any monitoring key；

17. policy control network element according to claim 16, which is characterized in that

When the receiving unit receives the accumulative dosage of the first monitoring key of the session management network element report When, the receiving unit is also used to receive the mark for the first PSA that the session management network element is sent；

When the receiving unit receives the accumulative dosage of the 2nd monitoring key of the session management network element report When, the receiving unit is also used to receive the mark for the 2nd PSA that the session management network element is sent.

18. a kind of session management network element, a protocol Data Unit PDU session of the session management NE management includes first PDU session anchor point PSA and the 2nd PSA, the session management network element send the first monitor key monitoring to the first PSA The corresponding dosage of key reports rule URR；It is characterized in that, the session management network element includes:

Receiving unit, for receiving the policy control information from policy control network element, wherein the policy control information includes Policy and charging control PCC rule and the corresponding dosage threshold value of the 2nd monitoring key；Wherein, the PCC rule carries The 2nd monitoring key and the information for being used to indicate the regular corresponding strategy of the PCC on the 2nd PSA, The 2nd monitoring key same dosage corresponding with the first monitoring key monitors example；

Transmission unit, for sending the corresponding first packet detected rule PDR of PCC rule and described the to the 2nd PSA The corresponding URR of two monitoring key, wherein it is corresponding to carry the 2nd monitoring key in first PDR The mark of URR.

19. session management network element according to claim 18, which is characterized in that the session management network element further include:

Determination unit, for sending the corresponding first packet detection rule of the PCC rule to the 2nd PSA in the transmission unit Then before the PDR and corresponding URR of the 2nd monitoring key, according to the business datum flow template in the PCC rule It determines the interblock interference information of the first PDR, and determines URR for the 2nd monitoring key.

20. session management network element described in 8 or 19 according to claim 1, which is characterized in that

21. the described in any item session management network elements of 9-20 according to claim 1, which is characterized in that

The receiving unit is also used to send corresponding first packet of the PCC rule to the 2nd PSA in the transmission unit After the detected rule PDR and corresponding URR of the 2nd monitoring key, any PSA that the PDU session includes is received The accumulative dosage of the URR of report；The transmission unit is also used to the policy control reported by network elements monitoring key's Accumulative dosage；Alternatively,

The receiving unit is also used to send corresponding first packet of the PCC rule to the 2nd PSA in the transmission unit After the detected rule PDR and corresponding URR of the 2nd monitoring key, any PSA that the PDU session includes is received The accumulative dosage of the URR of report, the determination unit are also used to judge whether there is the corresponding residue of the monitoring key Dosage threshold value described appoint, is updated according to the remaining dosage threshold value there are the remaining dosage threshold value The dosage threshold value of the URR of one PSA report；The transmission unit is also used in the case where no remaining dosage threshold value, The accumulative dosage of the monitoring key is reported to the policy control network element；

22. session management network element according to claim 21, which is characterized in that when the transmission unit is controlled to the strategy When network element processed reports the accumulative dosage of the monitoring key, the transmission unit is also used to the policy control net Member sends the mark of any PSA.

23. the session management network element according to claim 21 or 22, which is characterized in that

The receiving unit is also used to receive the new dosage for the monitoring key that the policy control network element is sent Threshold value；Alternatively, the receiving unit, it is also used to receive the expiry notification that the policy control network element is sent, the transmission unit, It is also used to send removal request to any PSA or stops request, wherein the removal request is described for requesting Any PSA deletes the corresponding URR of the monitoring key, and the stopping request is for requesting any PSA stopping pair The dosage monitoring of the corresponding URR of the montoring key.

24. according to the described in any item session management network elements of claim 21-23, which is characterized in that

25. a kind of policy control method, policy control network element determines that a protocol Data Unit PDU session includes the first PDU meeting Anchor point PSA and the 2nd PSA is talked about, the policy control network element, which determines, executes the first monitor key monitoring on the first PSA The dosage monitoring of the corresponding session level dosage monitoring example of key；It is characterized in that, which comprises

The policy control network element is determined executes the monitoring of session level dosage on the 2nd PSA；

The policy control network element is that the session level dosage monitors the 2nd monitoring key of example allocation；

The policy control network element controls information to session management network element sending strategy；Wherein, the policy control information includes: The corresponding dosage threshold value of the 2nd monitoring key, and be used to indicate on the 2nd PSA or the PDU meeting The information of session level dosage monitoring is executed on all PSA that words include.

26. according to the method for claim 25, which is characterized in that

27. according to the described in any item methods of claim 25 or 26, which is characterized in that in the policy control network element to session After managed network element sending strategy controls information, the method also includes:

28. a kind of policy control method, a protocol Data Unit PDU session of session management NE management includes the first PDU Session anchor point PSA and the 2nd PSA, the session management network element send the first monitor key monitoring to the first PSA The corresponding dosage of key reports rule URR, and the first monitoring key respective session grade dosage monitors example；Its feature It is, which comprises

The session management network element receives the policy control information from policy control network element；Wherein, the policy control information Include: the corresponding dosage threshold value of the 2nd monitoring key, and is used to indicate on the 2nd PSA or described The information of session level dosage monitoring is executed on all PSA that PDU session includes；

The session management network element sends the corresponding URR of the 2nd monitoring key to the 2nd PSA；Wherein, institute It states the corresponding URR of the 2nd monitoring key and is associated with at least one interblock interference rule P DR that the 2nd PSA is executed, Each matched business datum of PDR includes in the monitoring of session level dosage.

29. according to the method for claim 28, which is characterized in that

30. according to the described in any item methods of claim 28 or 29, which is characterized in that the session management network element is to described After two PSA send the corresponding URR of the 2nd monitoring key, the method also includes:

31. a kind of policy control network element, the policy control network element determines that a protocol Data Unit PDU session includes first PDU session anchor point PSA and the 2nd PSA, the policy control network element, which determines, executes the first monitor key on the first PSA The dosage monitoring of the corresponding session level dosage monitoring example of monitoring key；It is characterized in that, the policy control network element Include:

Determination unit executes the monitoring of session level dosage for determining on the 2nd PSA；

Allocation unit, for monitoring the 2nd monitoring key of example allocation for the session level dosage；

Transmission unit, for controlling information to session management network element sending strategy；Wherein, the policy control information includes: institute The corresponding dosage threshold value of the 2nd monitoring key is stated, and is used to indicate on the 2nd PSA or in the PDU meeting The information of session level dosage monitoring is executed on all PSA that words include.

32. policy control network element according to claim 31, which is characterized in that

33. according to the described in any item policy control network elements of claim 31 or 32, which is characterized in that the policy control network element Further include:

The determination unit is also used to judge whether there is the corresponding safe level threshold value of the first dosage monitoring example；Institute Transmission unit is stated, is also used to there are the safe level threshold value, according to the safe level threshold value to the meeting Words managed network element sends the corresponding new dosage threshold value of any monitoring key；In no safe level threshold value In the case where, Xiang Suoshu session management network element sends expiry notification, wherein the expiry notification is for notifying the session management Network element stops monitoring the dosage of any monitoring key；

34. a kind of session management network element, a protocol Data Unit PDU session of the session management NE management includes first PDU session anchor point PSA and the 2nd PSA, the session management network element send the first monitor key monitoring to the first PSA The corresponding dosage of key reports rule URR；It is characterized in that, the session management network element includes:

Receiving unit, for receiving the policy control information from policy control network element；Wherein, the policy control information packet It includes: the corresponding dosage threshold value of the 2nd monitoring key, and be used to indicate on the 2nd PSA or described The information of session level dosage monitoring is executed on all PSA that PDU session includes；

Transmission unit, for sending the corresponding URR of the 2nd monitoring key to the 2nd PSA.

35. session management network element according to claim 34, which is characterized in that

36. according to the described in any item session management network elements of claim 34 or 35,

The receiving unit is also used to send the 2nd monitoring key to the 2nd PSA in the transmission unit After corresponding URR, the accumulative dosage of the URR for any PSA report that the PDU session includes is received, the transmission unit is gone back For the accumulative dosage to the policy control reported by network elements monitoring key；Alternatively,

The receiving unit is also used to send the 2nd monitoring key to the 2nd PSA in the transmission unit After corresponding URR, the accumulative dosage of the URR for any PSA report that the PDU session includes, the session management net are received Member further include: determination unit, for judging whether there is the corresponding remaining dosage threshold value of the monitoring key；Exist In the case where the remaining dosage threshold value, the use of the URR of any PSA report is updated according to the remaining dosage threshold value Measure threshold value；In the case where no remaining dosage threshold value, by the transmission unit to the policy control network element report Accuse the accumulative dosage of the monitoring key；