CN102196396B - The method of consumption Monitoring and Controlling and policy control and charging regulation function entity - Google Patents
The method of consumption Monitoring and Controlling and policy control and charging regulation function entity Download PDFInfo
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- CN102196396B CN102196396B CN201010117366.9A CN201010117366A CN102196396B CN 102196396 B CN102196396 B CN 102196396B CN 201010117366 A CN201010117366 A CN 201010117366A CN 102196396 B CN102196396 B CN 102196396B
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Abstract
The invention discloses a kind of method and PCRF of consumption Monitoring and Controlling.The method of this consumption Monitoring and Controlling comprises: PCRF is according to user accessing information determination consumption monitoring policy; PCRF sends consumption monitoring policy to PCEF; PCEF receives and performs consumption monitoring policy.Invention increases flexibility and the accuracy of consumption control.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of method of consumption Monitoring and Controlling and policy control and charging regulation function entity (Policy and Charging RulesFunction, referred to as PCRF).
Background technology
Third generation partner program (3rd Generation Partnership Project, referred to as 3GPP) strategy and charging control (Policy and Charging Control, referred to as PCC) framework be a functional framework that can be applied to multiple access technology.Such as, be applied to universal mobile telecommunications system (Universal Mobile TelecommunicationsSystem, referred to as UMTS) terrestrial radio access network (UMTS Terrestrial RadioAccess Network, referred to as UTRAN), global system for mobile communications (Global systemfor Mobile Communication, referred to as GSM)/GSM data enhancing evolution (Enhanced Data rates for Global Evolution, referred to as EDGE) wireless access network, grouping system (the EvolvedPacket System of intercommunicated wireless local area network (I-WLAN) and evolution, referred to as EPS) etc.
Fig. 1 is the schematic diagram of the non-roaming framework of Rel-8 PCC according to correlation technique, is described each logical functional entity in PCC framework and interface function thereof referring to Fig. 1:
Application Function (Application Function, referred to as AF), provides the access point of service application, and the Internet resources that these service application use need to carry out dynamic policy control.When service surface carries out parameter negotiation, related service information is passed to PCRF by AF.If these business information are consistent with the strategy of PCRF, then PCRF accepts this negotiation; Otherwise PCRF refuses this negotiation, and provide the acceptable service parameter of PCRF in feedback simultaneously.Subsequently, these parameters can be returned to subscriber equipment (UserEquipment, referred to as UE) by AF.Wherein, the interface between AF and PCRF is Rx interface.
PCRF is the core of PCC, is responsible for the formulation of strategic decision-making and charging regulation.PCRF provides the network control rule based on business data flow, these network controls comprise the detection of business data flow, gate (Gating Control), service quality (Quality of Service, referred to as QoS) control and based on the charging regulation etc. of data flow.The strategy that PCRF is formulated and charging regulation send to strategy and charging execution function entity (Policy andControl Enforcement Function, referred to as PCEF) perform, meanwhile, PCRF also needs to ensure that these rules are consistent with the CAMEL-Subscription-Information of user.PCRF generate strategy with charging regulation according to comprising: obtain the information relevant to business from AF; Obtain and user policy, billing control and subscription information from user-subscribed database (Subscription Profile Repository, referred to as SPR); The information with carrying network of relation is obtained from PCEF.
PCEF is usually located in gateway (Gate-Way, referred to as GW), performs the strategy formulated of PCRF and charging regulation at loading end.Business datum flow filter in the rule that PCEF sends according to PCRF detects business data flow, and then performs to these business data flows the strategy and charging regulation that PCRF formulates.When carrying is set up, the rule that PCEF sends according to PCRF carries out QoS mandate, and carries out gate control according to the execution of AF.According to the charging regulation that PCRF sends, PCEF performs the operation of corresponding service data flow charge, and charging both can be online charging, also can be offline charging.If online charging, then PCEF needs and Online Charging System (Online ChargingSystem, referred to as OCS) carry out credit management together.During offline charging, exchange correlation charge information between PCEF and off-line accounting system (Offline Charging System, referred to as OFCS).Interface between PCEF and PCRF is Gx interface, and the interface between OCS is Gy interface, and the interface between OFCS is Gz interface.PCEF is generally positioned on the gateway of network, as the GGSN (GGSN) in GPRS and the packet data gateway in I-WLAN (Packet Data Gateway, referred to as PDG).
Bearing binding and event reporting function entity (Bearer Binding and EventReporting Function, referred to as BBERF).Its function comprises bearing binding, the checking of up bearing binding and event report.When UE is accessed by E-UTRAN, and when adopting PMIPv6 agreement between S-GW and P-GW, BBERF is located in S-GW, when UE is by the access of trusted non-3 GPP access system, BBERF is positioned at trusted non-3 GPP access gateway, when UE by the access of trustless non-3 GPP access system time, BBERF is positioned at the packet data gateway (Evolved Packet Data Gateway, referred to as ePDG) of evolution.Now, PCEF no longer performs bearing binding function.
User-subscribed database (SPR) stores the user policy, billing control and subscription information relevant to charging with policy control.Interface between SPR and PCRF is Sp interface.
Online Charging System (OCS) and PCEF carry out the control and management of user credit under online charging mode together.
Off-line accounting system (OFCS) completes the billing operation under offline charging mode together with PCEF.
It is access packet data network (Packet Data Network that PCC framework achieves UE by above each functional entity, referred to as PDN) IP that sets up connects the policy and charging control of Access Network (IP Connectivity Access Network, referred to as IP-CAN) session.
In prior art, PCC supports dynamic consumption Monitoring and Controlling, to realize performing dynamic strategic decision-making based on real-time Internet usage total amount.Consumption monitoring can be applicable to all Business Streams of single business data flow, one group of business data flow or an IP-CAN session.At present, consumption (usage) refers to user plane data traffic.In prior art, monitoring key (Monitoring Key) is adopted to identify an example needing consumption to monitor, such as: when the PCRF Monitoring Key that has been all traffic flow assignment of an IP-CAN session and corresponding threshold value, so, PCEF by all Business Stream flows according to this threshold monitor IP-CAN, and identifies with this Monitoring Key the consumption reported.When PCRF is that a Business Stream or one group of business data flow are assigned with Monitoring Key and corresponding threshold value, Monitoring Key is carried in this business data flow or PCC rule corresponding to one group of business data flow by PCRF, so, PCEF by there is according to this threshold monitor identical MonitoringKey PCC rule corresponding to business data flow flow, and identify the consumption reported with this Monitoring Key.
Meanwhile, total safe level of certain PDN of user can also be preserved in SPR, namely for total safe level of all Business Streams of an IP-CAN session, also can be called total safe level of the every user of every PDN.Total safe level of some concrete business of certain PDN of user can also be preserved in SPR, namely for total safe level of a business data flow or one group of business data flow, usually also can identify with Monitoring Key.
After user is established to the IP-CAN session of certain PDN, total safe level is handed down to PCRF by SPR.When PCRF carries out consumption Monitoring and Controlling, PCRF subscribes to consumption to PCEF and reports (Usage Report) event trigger.After Monitoring Key is included in and issues in PCC rule, the PCC rule with identical Monitoring Key shares threshold value corresponding to this Monitoring Key.When Monitoring Key is not included in any PCC rule, all business data flows of IP-CAN session share threshold value corresponding to this Monitoring Key.PCEF monitors consumption and has reached threshold value, IP-CAN session termination, comprised on all deleted or PCRF explicit request consumption of all PCC rules of certain Monitoring Key and give the correct time, and PCEF will to the consumption Expenditure Levels of PCRF report relevant Monitoring Key since the last time reports.After the PCRF consumption received from PCEF reports, PCRF will deduct the volume value reported from total safe level.If PCEF reports the consumption of certain Monitoring Key and needs to proceed monitoring, so, PCRF will provide new threshold value to PCEF; If without the need to proceeding monitoring, PCRF does not provide new threshold value to PCEF.As an APN (the Access Point Name of user, referred to as APN) last IP-CAN session termination time, PCRF will preserve remaining total safe level in SPR, comprise total safe level of total safe level of this PDN or some concrete business of this PDN.
But user is under roaming scence and non-roaming scene, and its safe level threshold value is different, therefore PCRF will carry out consumption monitoring according to current whether roaming of user.But PCRF also cannot the multiple situation such as position, access current according to UE select different consumption threshold values to carry out the control of consumption monitoring in correlation technique.
Summary of the invention
Main purpose of the present invention is the method and the PCRF that provide a kind of consumption Monitoring and Controlling, at least to solve the problem.
To achieve these goals, according to an aspect of the present invention, a kind of method of consumption Monitoring and Controlling is provided.
Method according to consumption Monitoring and Controlling of the present invention comprises: PCRF is according to user accessing information determination consumption monitoring policy; PCRF sends consumption monitoring policy to PCEF; PCEF receives and performs consumption monitoring policy.
Preferably, PCRF comprises according to user accessing information determination consumption monitoring policy: PCRF selects corresponding total safe level according to user accessing information; PCRF is according to total safe level determination consumption monitoring policy.
Preferably, before PCRF selects corresponding total safe level according to user accessing information, said method also comprises: when PCEF detects that user accessing information changes to the second user accessing information by first user access information, sends current consumption consumption and the second user accessing information to PCRF; PCRF deducts consumption consumption from first total safe level corresponding to first user access information; PCRF selects corresponding total safe level to comprise according to user accessing information: PCRF selects second corresponding total safe level according to the second user accessing information.
Preferably, before PCRF selects corresponding total safe level according to user accessing information, said method also comprises: when user accessing information changes to the second user accessing information by first user access information, and bearing binding and event reporting function entity B BERF send the second access information to PCRF; PCRF asks PCEF to report consumption consumption; PCEF reports consumption consumption to PCRF; PCRF deducts consumption consumption from the corresponding first total safe level of first user access information; PCRF selects corresponding total safe level to comprise according to user accessing information: PCRF selects second corresponding total safe level according to the second user accessing information.
Preferably, total safe level is that PCRF obtains from user-subscribed database SPR in advance.
Preferably, consumption monitoring policy comprise following one of at least: the instruction of consumption reported event, consumption threshold value; Wherein, the instruction of consumption reported event is used to indicate the access information change that PCEF reports consumption to consume; Consumption threshold value is less than total safe level.
Preferably, user accessing information comprises one of following: geographical position, IP connect access network type, wireless access type, time period.
To achieve these goals, according to a further aspect in the invention, a kind of PCRF is provided.
PCRF according to the present invention comprises: determination module, for according to user accessing information determination consumption monitoring policy; Sending module, for sending consumption monitoring policy to PCEF.
Preferably, determination module comprises: chooser module, for selecting corresponding total safe level according to user accessing information; Determine submodule, for according to total safe level determination consumption monitoring policy.
Preferably, above-mentioned PCRF also comprises: acquisition module, for obtaining total safe level from SPR in advance.
Pass through the present invention, adopt PCRF reception from the user accessing information of policy execution functional entity, select the consumption threshold value corresponding with user accessing information and send this consumption threshold value to PCEF, solving PCRF in correlation technique cannot the multiple situation such as position, access current according to user select different consumption threshold values to carry out the problem of consumption control, improves flexibility and the accuracy of consumption control.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the non-roaming framework of the Rel-8PCC of correlation technique;
Fig. 2 is the flow chart of the method for consumption Monitoring and Controlling according to the embodiment of the present invention;
Fig. 3 is the flow chart of the method for consumption Monitoring and Controlling according to the embodiment of the present invention 1;
Fig. 4 is the flow chart of the method for consumption Monitoring and Controlling according to the embodiment of the present invention 2;
Fig. 5 is the flow chart of the method for consumption Monitoring and Controlling according to the embodiment of the present invention 3;
Fig. 6 is the structured flowchart of the PCRF according to the embodiment of the present invention;
Fig. 7 is the preferred structure block diagram of the PCRF according to the embodiment of the present invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
For convenience of description, following examples suppose as follows:
User contracts for non-roaming and roaming two kinds of scene TAU to total safe level (TotalAllowanced usage, referred to as TAU) of a PDN or one or the one group business data flow of a PDN.Assuming that the network identity of the home network 1 of the initial access of user is PLMN mark 1, safe level is TAU1, and the PLMN that is designated of the visited network 2 of access after user is moved identifies 2, and safe level is TAU2.Here the corresponding whole IP-CAN session of TAU1 and TAU2 or corresponding one or one group of business data flow.Set up in IP-CAN conversation procedure and after session establishment user, PCRF carries out consumption Monitoring and Controlling according to current whether roaming of user to the Operational Visit of user.
The present invention proposes a kind of method of consumption Monitoring and Controlling, Fig. 2 is the flow chart of the method for consumption Monitoring and Controlling according to the embodiment of the present invention, as shown in Figure 2, comprises following step S202 to step S206.
Step S202, strategy and charging regulation entity PCRF are according to user accessing information determination consumption monitoring policy.
Step S204, PCRF send consumption monitoring policy to strategy and charging execution function entity PCEF.
Step S206, PCEF receive and perform consumption monitoring policy.
By the method for above-mentioned consumption Monitoring and Controlling, flexibility and the accuracy of consumption control can be improved.
Wherein, step S202 comprises: PCRF selects corresponding total safe level according to user accessing information; PCRF, according to total safe level determination consumption monitoring policy, can improve flexibility and the accuracy of consumption control.
Corresponding total safe level is selected to be described in detail from two aspects to PCRF according to user accessing information respectively below.
1., when PCEF detects that user accessing information changes to the second user accessing information by first user access information, current consumption consumption and the second user accessing information is sent to PCRF.Then, PCRF deducts consumption consumption from first total safe level corresponding to first user access information, and selects second corresponding total safe level according to the second user accessing information.
2., when user accessing information changes to the second user accessing information by first user access information, BBERF sends the second access information to PCRF; Then PCRF asks PCEF to report consumption consumption, and from the corresponding first total safe level of first user access information, deduct this consumption consumption according to the consumption consumption that PCEF reports, then PCRF selects second corresponding total safe level according to the second user accessing information.
Detect user accessing information change by this PCEF, or BBERF reports the second access information to PCRF, PCRF can obtain remaining consumption, and is that PCEF distributes according to this consumption, thus can improve the accuracy of consumption control.Meanwhile, PCRF can for the selection carrying out consumption of this user flexibility.Such as, when user is from roaming state to non-roaming state, larger consumption threshold value is selected to send to PCEF.It should be noted that, this PCEF by different IP-CAN types, different time periods being detected, then can also send user accessing information to PCRF.
It should be noted that, above-mentioned total safe level is that PCRF obtains from SPR in advance.
In addition, consumption monitoring policy comprises the instruction of consumption reported event, consumption threshold value; Wherein, the instruction of consumption reported event is used to indicate the access information change that PCEF reports consumption to consume; Consumption threshold value is less than total safe level.By this consumption monitoring policy, PCEF detects user accessing information to be changed and reports consumption consumption, so that PCRF can obtain remaining consumption, and is that PCEF distributes according to this consumption, thus can improves the accuracy of consumption control.
Wherein, above-mentioned user accessing information comprises one of following: geographical position, IP connect access network type, wireless access type, time period.Therefore, PCRF can for the selection carrying out consumption of this user flexibility.Such as, when user is from roaming state to non-roaming state, larger consumption threshold value is selected to send to PCEF; Or when section is to off-peak hours section from rush hour for user, select larger consumption threshold value to send to PCEF.
Embodiment 1
Fig. 3 is the flow chart of the method for consumption Monitoring and Controlling according to the embodiment of the present invention 1, and wherein this IP-CAN session does not use BBERF.As shown in Figure 3, comprising:
Step S302, set up in the process of IP-CAN session in UE request, PCEF receives IP-CAN session establishment request message, and user ID is carried in this IP-CAN session establishment request message, the PDN mark of the PDN network of request access and the network identity PLMN of UE access network identify 1, and namely user is in non-roaming scene.
Step S304, PCEF send IP-CAN session establishment Indication message to PCRF, and in this IP-CAN session establishment Indication message, carry user ID, PDN mark, the IP address (IP Addressl) distributed for UE and PLMN mark 1.
Step S306, PCRF also judge the CAMEL-Subscription-Information of not this user according to user ID, and PCRF sends signing document request to SPR, and in this signing document request, carry user ID and PDN mark.
Step S308, SPR return user signing contract information (that is, signing document response) according to user ID and PDN mark.The non-roaming scene signing respectively due to user and roaming scence two kinds of total safe levels, total safe level TAU2 when therefore SPR carries total safe level TAU1 when being positioned at network 1 and is positioned at network 2 in this user signing contract information sends to PCRF.
Step S310, PCRF generates strategy according to the access information etc. of the user signing contract information returned, network strategy, UE, this strategy comprises event trigger, and value is Usage_Report, for the consumption monitoring policy of whole IP-CAN session, one or one group business data flow.The PLMN mark 1 that PCRF reports according to PCEF judges that user is in non-roaming scene.Therefore PCRF is according to the consumption threshold value UT1 of TAU1 distributing user obtained and UT1 <=TAU1.PCRF sends the instruction of consumption reported event to PCEF simultaneously, and value is roaming scence change.
Here, UT can, for all business data flows of IP-CAN session, also can be for the business data flow of in IP-CAN session or one group of business data flow.If PCRF monitors for all business data flows of IP-CAN session, then Monitoring Key is not included in PCC rule by PCRF; If PCRF monitors for some business data flow of IP-CAN session, then Monitoring Key is included in PCC rule corresponding to business data flow and issues by PCRF, and the PCC rule with identical Monitoring Key shares the consumption threshold value of this Monitoring Key.PCEF 1 performs consumption monitoring according to the consumption monitoring policy that PCRF issues.The instruction of consumption reported event associates with MonitoringKey.
Step S312, PCEF mounting strategy, comprises consumption inspection policies and the instruction of consumption reported event.PCEF returns the response of IP-CAN session establishment, in the response of IP-CAN session establishment, carry IP Address.
Step S314, PCEF perform consumption inspection policies, carry out consumption monitoring to the business data flow of user's access.In this process, PCEF may carry out alternately with PCRF, the consumption threshold value reporting the volume value of consumption and please look for novelty.
Step S316, PCEF detect that user there occurs roaming, and the home network 1 being namely PLMN mark 1 from network identity is moved to the visited network 2 that network identity is PLMN mark 2.
Step S318, PCEF sends the instruction of IP-CAN session modification to PCRF, carries new network identity PLMN and identify 2 in message, consumption reported event instruction (value is roaming scence change), and the consumption consumption figures (URV1, Usage ReportValue1) of report.
Step S320, PCRF carry out consumption decision-making.According to the consumption reported event instruction (value is roaming scence change) that PCEF reports, judge that user there occurs roaming, and judge that user is moved to network 2 according to PLMN mark 2.PCRF upgrades TAU1=TAU1-URV1, and is that user distributes new consumption threshold value UT2 according to TAU2, and UT2 <=TAU2.
Newly assigned consumption threshold value UT2 is sent to PCEF by step S322, PCRF.PCEF continues to perform consumption monitoring according to UT2.
Above embodiment supposition user has carried out the signing of consumption for by non-roaming and roaming scence access service respectively.In fact, the signing of user may be various, such as, for some specific visited network 3 (PLMN mark 3), has signing total safe level.If when user initially reaches the standard grade, by the network insertion of non-visit net 3, in the so now consumption reported event instruction that issues of PCRF, value comprises and enters/leave PLMN and identify 3 networks.When user enters visited network 3, PCEF will report this instruction, and report consumption consumption figures now, and PCRF upgrades total safe level of non-visit net 3, and distribute consumption threshold value according to the consumption of visit net 3.
Similar, user also may according to different geographical position, and different IP-CAN type, wireless access type, the different time periods etc. contract.PCRF is by the switch-in attribute current according to user, select corresponding signing total safe level, and distribute consumption threshold value with this, issue the instruction of consumption reported event to PCEF simultaneously, when having notified that the corresponding event of PCEF occurs, need to report current consumption consumption to PCRF.
PCRF associates with Monitoring Key when issuing the instruction of consumption reported event, because different Monitoring Key may have different consumption reported event instructions.When certain consumption reported event indicates the event defined to occur, the consumption that the Monitoring Key that PCEF also reports this instruction to associate and this Monitoring Key is corresponding consumes threshold value.
It should be noted that, in the present embodiment, IP-CAN session does not use BBERF, and policy execution functional entity, by detecting different roaming states, sends user accessing information to PCRF.By the detection of this policy execution functional entity, the flexibility that consumption controls can be improved.
Embodiment 2
Fig. 4 is the flow chart of the method for consumption Monitoring and Controlling according to the embodiment of the present invention 2, and wherein this IP-CAN session does not use BBERF when user initially accesses, and employs BBERF after movement.As shown in Figure 4, comprising:
Step S402 is consistent to step S314 with step S302 to step S414.
Step S416, user there occurs movement, and roams.BBERF in new access network receives the request message that gateway control session is set up in request, carries user ID and PDN mark in this message.
Step S418, new BBERF send gateway control session to PCRF and set up message, carry user ID, PDN mark and new BBERF place network of network mark PLMN mark 2 in message.
Step S420, PCRF judge that user there occurs switching, and according to the current access information of user, switch before PCC rule, user CAMEL-Subscription-Information etc. formulate corresponding QoS rule, and return to this new BBERF.
Step S422, PCRF carry out consumption decision-making.The network identity PLMN that PCRF reports according to BBERF identifies 2, judges that user there occurs roaming, and judges that user is moved to network 2 according to PLMN mark 2.PCRF needs to obtain the consumption consumption of user in network 1.
Step S424, PCRF provide message to PCEF sending strategy and charging regulation, carry consumption and report instruction.Event instruction (value is roaming scence change) can also be carried further, to notify that PCEF asks the reason reported in message.
Step S426, PCEF report consumption consumption figures (URV1, Usage ReportValue1) to PCRF.
Step S428, PCRF upgrade TAU1=TAU1-URV1, and are that user distributes new consumption threshold value UT2 according to TAU2, and UT2 <=TAU2, return to PCEF.
It should be noted that, the present embodiment, on the basis of embodiment 1, employs BBERF after movement, and sends user accessing information by this BBERF to PCRF.The present embodiment solves PCRF in correlation technique and cannot the multiple situation such as position, access current according to user select different consumption threshold values to carry out the problem of consumption control, improves flexibility and the accuracy of consumption control.
Embodiment 3
Fig. 5 is the flow chart of the method for consumption Monitoring and Controlling according to the embodiment of the present invention 3, wherein this IP-CAN session when user initially accesses and mobile after all employ BBERF.As shown in Figure 5, comprising:
Step S502, set up in the process of IP-CAN session in UE request, old BBERF receives IP-CAN session establishment request message, in IP-CAN session establishment request message, carry user ID, the PDN mark of the PDN network of request access.
Step S504, old BBERF send gateway control session to PCRF and set up message, carry user ID, PDN mark and old BBERF place network of network mark PLMN mark 1 in message.
Step S506, PCRF also judge the CAMEL-Subscription-Information of not this user according to user ID, and PCRF sends signing document request to SPR, carry user ID and PDN mark in signing document request.
Step S508, SPR return the CAMEL-Subscription-Information of user according to user ID and PDN mark.Due to non-roaming and roaming scence two kinds of total safe levels that user is signing respectively.Therefore total safe level TAU1 when being positioned at network 1 is sent to PCRF with total safe level TAU2 when being positioned at network 2 by SPR.
Step S510, PCRF generates strategy according to the access information etc. of the CAMEL-Subscription-Information returned, network strategy, UE, wherein strategy comprises event trigger, and value is Usage_Report, for the consumption monitoring policy of whole IP-CAN session, one or one group business data flow.PCRF returns QoS rule to old BBERF.
Step S512, old BBERF send IP-CAN session establishment request message to PCEF, in IP-CAN session establishment request message, carry user ID, the PDN mark of the PDN network of request access.
Step S514, PCEF send IP-CAN session establishment Indication message to PCRF, in IP-CAN session establishment Indication message, carry user ID, and PDN identifies, and are the IP address (IP Addressl) that UE distributes.
Step S516, PCRF identify the message relating of step S504 and step S514 according to user ID and PDN, associate with Gx session by gateway control session.The PLMN mark 1 that PCRF reports in step S504 according to BBERF judges that user is in non-roaming scene.Therefore PCRF is according to the consumption threshold value UT1 of TAU1 distributing user obtained and UT1 <=TAU1.PCRF sends the instruction of consumption reported event to PCEF simultaneously, and value is roaming scence change.
Here, UT can, for all business data flows of IP-CAN session, also can be for the business data flow of in IP-CAN session or one group of business data flow.If PCRF monitors for all business data flows of IP-CAN session, then Monitoring Key is not included in PCC rule by PCRF; If PCRF monitors for some business data flow of IP-CAN session, then Monitoring Key is included in PCC rule corresponding to business data flow and issues by PCRF, and the PCC rule with identical Monitoring Key shares the consumption threshold value of this Monitoring Key.PCEF1 performs consumption monitoring according to the consumption monitoring policy that PCRF issues.The instruction of consumption reported event associates with MonitoringKey.
Step S518, PCEF mounting strategy, comprises consumption inspection policies and the instruction of consumption reported event.PCEF returns the response of IP-CAN session establishment to old BBERF, in the response of IP-CAN session establishment, carry IP Address.
Step S520, old BBERF return the response of IP-CAN session establishment, in the response of IP-CAN session establishment, carry IPAddress.
Step S522, PCEF perform consumption inspection policies, carry out consumption monitoring to the business data flow of user's access.In this process, PCEF may carry out alternately with PCRF, the consumption threshold value reporting the volume value of consumption and please look for novelty.
Step S524 is consistent to step S428 with step S416 to step S536.
It should be noted that, the present embodiment is on the basis of embodiment 1, BBERF is all employ when user initially accesses and after moving, solving PCRF in correlation technique cannot the multiple situation such as position, access current according to user select different consumption threshold values to carry out the problem of consumption control, improves flexibility and the accuracy of consumption control.
All embodiments suppose that user accesses scene for different users and has the signing value of different total safe levels above.In fact, PCRF can decide the consumption threshold value that the different access scene of user allows according to the network strategy configured.Such as user under roaming or non-roaming scene, only has a signing total safe level for all Business Streams of single business data flow, one group of business data flow or an IP-CAN session.But the safe level of PCRF strategy decision user under roaming scence is an a kind of part.In this case, the present invention also can be adopted to carry out consumption monitoring to user.
By the method for above-mentioned consumption Monitoring and Controlling, solving PCRF in correlation technique cannot the multiple situation such as position, access current according to user select different consumption threshold values to carry out the problem of consumption control, improves flexibility and the accuracy of consumption control.
The invention provides a kind of PCRF, this PCRF can realize the method for the consumption Monitoring and Controlling of the embodiment of the present invention.Fig. 6 is the structured flowchart of the PCRF according to the embodiment of the present invention, and as shown in Figure 6, this PCRF comprises determination module 61, is connected to the sending module 63 of determination module 61.Below the structure of above-mentioned PCRF is described in detail.
Determination module 61, for according to user accessing information determination consumption monitoring policy; Sending module 63, is connected to determination module 61, for sending consumption monitoring policy to PCEF.
By the method for above-mentioned consumption Monitoring and Controlling, flexibility and the accuracy of consumption control can be improved.
Fig. 7 is the preferred structure block diagram of the PCRF according to the embodiment of the present invention, as shown in Figure 7, also comprises acquisition module 71, and above-mentioned determination module 61 comprises chooser module 611 and determines submodule 613 simultaneously.Below its structure is described in detail.
Acquisition module 71, for obtaining total safe level from SPR in advance; Chooser module 611, for selecting corresponding total safe level according to user accessing information; Determine submodule 613, for according to total safe level determination consumption monitoring policy.
By the renewal of this consumption, PCRF can obtain remaining consumption, and is that PCEF distributes according to this consumption, thus can improve the accuracy of consumption control.
In sum, according to the abovementioned embodiments of the present invention, a kind of method and PCRF of consumption Monitoring and Controlling is provided.Solving PCRF in correlation technique cannot the multiple situation such as position, access current according to user select different consumption threshold values to carry out the problem of consumption control.Meanwhile, the user roaming state that PCRF can detect according to policy execution functional entity or wireless access type change and carry out the control of consumption, improve the flexibility that consumption controls.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a method for consumption Monitoring and Controlling, is characterized in that, comprising:
"Policy and Charging Rules Function entity PCRF is according to user accessing information determination consumption monitoring policy;
Described PCRF sends described consumption monitoring policy to described strategy and charging execution function entity PCEF;
Described PCEF receives and performs described consumption monitoring policy;
Wherein, according to described user accessing information, described PCRF determines that described consumption monitoring policy comprises: described PCRF selects corresponding total safe level according to described user accessing information; Described PCRF is according to described total safe level determination consumption monitoring policy; To select total safe level of described correspondence according to described user accessing information at described PCRF before, described method also comprises: when described PCEF detects that described user accessing information changes to the second user accessing information by first user access information, sends current consumption consumption and described second user accessing information to described PCRF; Described PCRF deducts described consumption consumption from first total safe level corresponding to described first user access information; Described PCRF selects total safe level of described correspondence to comprise according to described user accessing information: described PCRF selects second corresponding total safe level according to described second user accessing information; Or described method also comprises: when described user accessing information changes to the second user accessing information by first user access information, bearing binding and event reporting function entity B BERF send described second access information to described PCRF; Described PCRF asks described PCEF to report consumption consumption; Described PCEF reports consumption consumption to PCRF; Described PCRF deducts described consumption consumption from the corresponding first total safe level of described first user access information; Described PCRF selects total safe level of described correspondence to comprise according to described user accessing information: described PCRF selects second corresponding total safe level according to described second user accessing information.
2. the method for consumption Monitoring and Controlling according to claim 1, is characterized in that, described total safe level is that described PCRF obtains from user-subscribed database SPR in advance.
3. the method for consumption Monitoring and Controlling according to claim 1, is characterized in that, described consumption monitoring policy comprise following one of at least:
The instruction of consumption reported event, consumption threshold value;
Wherein,
Described consumption reported event instruction is used to indicate the access information change that described PCEF reports consumption to consume;
Described consumption threshold value is less than described total safe level.
4. the method for consumption Monitoring and Controlling according to any one of claim 1 to 3, is characterized in that, described user accessing information comprises one of following:
Geographical position, IP connect access network type, wireless access type, time period.
5. a PCRF, is characterized in that, comprising:
Determination module, for according to user accessing information determination consumption monitoring policy;
Sending module, for sending described consumption monitoring policy to PCEF;
Wherein, described determination module comprises: chooser module, for selecting corresponding total safe level according to described user accessing information; Determine submodule, for according to described total safe level determination consumption monitoring policy;
To select total safe level of described correspondence according to described user accessing information at described PCRF before, also comprise: when described PCEF detects that described user accessing information changes to the second user accessing information by first user access information, send current consumption consumption and described second user accessing information to described PCRF; Described PCRF deducts described consumption consumption from first total safe level corresponding to described first user access information; Described PCRF selects total safe level of described correspondence to comprise according to described user accessing information: described PCRF selects second corresponding total safe level according to described second user accessing information; Or also comprise: when described user accessing information changes to the second user accessing information by first user access information, bearing binding and event reporting function entity B BERF send described second access information to described PCRF; Described PCRF asks described PCEF to report consumption consumption; Described PCEF reports consumption consumption to PCRF; Described PCRF deducts described consumption consumption from the corresponding first total safe level of described first user access information; Described PCRF selects total safe level of described correspondence to comprise according to described user accessing information: described PCRF selects second corresponding total safe level according to described second user accessing information.
6. PCRF according to claim 5, is characterized in that, also comprises: acquisition module, for obtaining total safe level from SPR in advance.
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| CN101616143B (en) * | 2008-06-23 | 2012-11-21 | 华为技术有限公司 | Policy control method, system, data gateway and policy decision entity |
| CN101431420B (en) * | 2008-11-25 | 2011-07-13 | 中兴通讯股份有限公司 | Policy and charging control method and system |
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