CN1968139A - Subscriber contract information processing method and apparatus in strategy and charging control - Google Patents
Subscriber contract information processing method and apparatus in strategy and charging control Download PDFInfo
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- CN1968139A CN1968139A CN 200610087197 CN200610087197A CN1968139A CN 1968139 A CN1968139 A CN 1968139A CN 200610087197 CN200610087197 CN 200610087197 CN 200610087197 A CN200610087197 A CN 200610087197A CN 1968139 A CN1968139 A CN 1968139A
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Abstract
The invention relates to a method for processing the user contract information in strategy and charge controls, wherein said user via at least one access point AP uses network service; when user AP is activated, strategy and charge rule function solid PCRF sends the message with contract user mark to the contract rule base SPR; based on said user mark, obtaining the user contract information relative to activated AP. The invention also provides a method for refreshed user contracted information. And it also provides a processor for treating user contract information in strategy and charge controls. With said invention, the present PCC frame can support service more.
Description
Technical field
The present invention relates to communication technical field, be meant strategy especially and the processing method and the device of the middle user signing contract information of control (PCC, Policy andCharging Control) that charges.
Background technology
Communication network must be the network that can run, for this reason, need to professional in the network and professional employed resource be carried out accurately, in time and comprehensively control, it is exactly one of important contents wherein that strategy and chargeing is controlled.
In the standardized partnership projects of 3G (Third Generation) Moblie stage 7 (3GPP release7) system, strategy and billing function are realized by PCC (Policy and Charging Control, strategy and charging rule functions) framework.The PCC framework is a functional framework that can be applied to multiple access technology, some typical access technologies comprise universal mobile telecommunications system (UMTS) terrestrial radio Access Network (UTRAN), GSM EDGE Radio Access Network (GERAN) and I-WLAN (Interworking WLAN, interworking WLAN (specially referring to and the intercommunication of 3GPP system)) etc.Before release7, policy control is finished by the local policy control SBLP based on business, charges then by finishing based on flow based charging FBC.In release7, PCC has merged the basic function of SBLP and FBC, and has done further evolution in some aspects, and for example release7 PCC has realized also having upgraded binding mechanism simultaneously based on the strategy of user signing contract information and the control of chargeing.The general frame of PCC as shown in Figure 1.
The PCC framework has mainly been realized two big functions, the one, and policy control functions, another is a billing function.
Policy control functions mainly comprises: a. monitors user's service parameter (mainly being qos parameter) negotiations process; B. according to the business information that is obtained, the employed network carrying resource of business is authorized; C. control whether passing through of Business Stream in real time at Data-carrying face; D. the associated change advisory with service surface arrives Data-carrying face; E. with the associated change advisory of Data-carrying face to service surface etc.; F. carry out policy control based on user signing contract information.In the PCC framework, the logic entity that policy control functions relates generally to comprises AF entity (Application Function, Application Function), PCRF entity (Policy and Charging Rules Function, strategy and charging rule functions), PCEF entity (Policy and Charging Enforcement Function, strategy and charging execution function entity) and SPR (Subscription Profile Repository, signatory specification storehouse) etc.
Billing function mainly comprises: a. integrated service information, beared information and user signing contract information, formulate charging regulation; B. between the metering data of the metering data of service surface and loading end, carry out association; C. under dynamic charge mode, carry out credit control.In the PCC framework, the logic entity that billing function relates generally to comprises AF, PCRF, PCEF, SPR, OCS (Online Charging System, Online Charging System) and OFCS (Offline Charging System, off-line accounting system) etc.
Functional description to each logical functional entity and interface thereof in the PCC framework shown in Figure 1 is as follows:
AF 101: the application function logic entity, and it provides the access point of service application, and the employed Internet resources of these service application need carry out dynamic policy control.When service surface was carried out parameter negotiation, AF passed to PCRF with related service information.If these business information are tactful consistent with PCRF's, PCRF accepts this negotiation, otherwise PCRF refuses this negotiation, and can provide the acceptable service parameter of PCRF in feedback simultaneously.Subsequently, AF can return to UE with these parameters.Interface between AF and the PCRF is a Rx interface.In the IMS system, Proxy Call Session Control Function (P-CSCF) is exactly AF.
PCRF 102: policy control and charging rule functions logic entity, it is the core of PCC system, is responsible for the formulation of strategic decision-making and charging regulation.PCRF provides the network control rule based on business data flow, and these network controls comprise detection, gate (gating), the QoS control of business data flow and based on the charging control of stream etc.PCRF sends to PCEF with the strategy of its formulation and charging regulation and is carried out by it, and PCRF will guarantee that also signatory specifications of these rules and user are consistent simultaneously.PCRF generates strategy and comprises with the foundation of charging regulation: obtain and professional relevant information from AF; Obtain and user signing contract information from SPR; Obtain the information relevant from PCEF with bearer network.
PCEF 103: policy control and charging regulation are carried out the function logic entity, be usually located at gateway (GW, GateWay) in, carry out strategy and the charging regulation that PCRF formulated at loading end.PCEF carries out the detection of business data flow according to the traffic filtering device in the rule that PCRF sent, and then these Business Streams are carried out the strategy that PCRF formulated and the control of chargeing.When carrying was set up, the rule that PCEF sends according to PCRF was carried out the QoS mandate, and carried out the gate operation according to the indication of AF.According to the charging regulation that PCRF sends, PCEF carries out the operation of corresponding business flow based charging.Chargeing both can be online charging, also can be offline charging.If online charging, PCEF needs and OCS carries out credit management together.During offline charging, exchange correlation charge information between PCEF and the OFCS.Interface between PCEF and the PCRF is the Gx interface, and the interface between the OCS is the Gy interface, and the interface between the OFCS is the Gz interface.PCEF generally is positioned on the gateway of network, for example, and the packet data gateway (PDG) among GGSN among the GPRS (GGSN) and the I-WLAN.
SPR 104: signatory specification storehouse, stored and the policy control and the relevant user signing contract information that charges, and for example, the spendable business information of user, the spendable QoS information of customer service and charge relevant user signing contract information and user's realm do not wait.Utilize SPR institute canned data, PCRF just can carry out policy control and the billing operation based on user signing contract information.Interface between SPR and the PCRF is the Sp interface.
OCS 105: Online Charging System and PCEF carry out the control and the management of user credit under the online charging mode (credit) together.In carrying foundation, modification and abort process, PCEF must carry out the credit authentication to OCS.The result of credit authentication can directly influence the use of customer service, and for example, if user credit uses up, then professional employed Data-carrying meeting is deleted immediately, and customer service is interrupted.
OFCS 106: off-line accounting system, finish billing operation under the offline charging mode with PCEF.
Stipulated to utilize described PCC framework to carry out strategy and the process of the control of chargeing in the existing protocol: when PCRF receives from the policy charging rule request message of PCEF, watch the local relevant user signing contract information of whether preserving, if not then obtain corresponding information to SPR.Subsequently, PCRF utilizes user signing contract information to carry out making a strategic decision based on the policy charging rule of user signing contract information, and the policy charging rule after will making a strategic decision sends to PCEF.
But, because same user allows usually by one or more AP (Access Point, accessing points) uses the network service, that is to say, for there being corresponding with it one or more user signing contract informations among the same user SPR, as indicated above, the process that PCRF obtains user signing contract information is only disclosed in the present standard, but owing to still carry out strategy and the processing procedure of the control of chargeing under the unexposed business scenario, thereby make concrete business not possess exploitativeness at one-to-many in the concrete business.
Summary of the invention
In view of this, one object of the present invention is to provide the processing method and the processing unit of user signing contract information in two kinds of strategies and the charging control, so that concrete business has exploitativeness.
For achieving the above object, the invention provides the processing method of user signing contract information in a kind of strategy and the charging control, described user uses the network service by at least one accessing points AP, when user's AP is activated, strategy sends the message that comprises contracted user's sign with charging regulation function entity PCRF to signatory specification storehouse SPR, obtains the pairing user signing contract information of the described AP of being activated according to described contracted user's sign.
Wherein, the described PCRF process of obtaining described user pairing user signing contract information on this AP comprises:
SPR identifies according to the contracted user who receives, and issues to comprise the message that identifies the user signing contract information of all corresponding AP with this contracted user;
PCRF obtains the user signing contract information corresponding with this AP according to the be activated AP sign of AP of this user from the message that described SPR issues.
Further, described PCRF also comprises the AP sign in the message that described SPR sends;
Described PCRF obtains this user pairing user signing contract information on the AP that is activated from described SPR process can also comprise step:
SPR issues the message that comprises the user signing contract information corresponding with this AP sign according to described contracted user's sign that receives and described AP sign;
PCRF obtains from this message and the corresponding user signing contract information of this AP sign.
In addition, described PCRF also comprised step before described SPR sends message:
Described PCRF judges the local pairing user signing contract information of the AP that is activated with this user that whether exists, if do not exist, then carries out subsequent step, otherwise, obtain the pairing user signing contract information of AP that is activated with this user from this locality.
This method comprises that further the described user signing contract information that step: PCRF will obtain is kept at this locality, and perhaps, PCRF carries out the policy, billing decision-making according to the described user signing contract information that obtains, and finishes described this user signing contract information of policy, billing decision-making back deletion.
When the described user signing contract information that will obtain as described PCRF was kept at this locality, this method further comprised:
Described user's current AP is during by deexcitation, and described PCRF is with the pairing user signing contract information deletion of this AP.
Change when described SPR detects the user signing contract information corresponding with this user's AP, and when described PCRF has sent user signing contract information, this method also comprises: described SPR notifies this PCRF user signing contract information to change.
Wherein, described SPR notifies the process of described PCRF to comprise step:
User signing contract information after described SPR will upgrade sends to this PCRF; Perhaps, described SPR issues the notification message that user signing contract information has upgraded to described PCRF, and receive upgrade the message of user signing contract information from the request of PCRF after, the user signing contract information after will upgrading again is handed down to PCRF.
Further, when described PCRF receives user signing contract information from the renewal of SPR, further comprising the steps of:
A), described PCRF carries out the policy charging rule decision-making according to the user signing contract information that upgrades, the policy charging rule after obtaining to upgrade;
B), the policy charging rule after described PCRF will upgrade sends to strategy and charging execution function entity PCEF.
Further, in steps A) after also comprise:
Described PCRF is notified to Application Function AF with the service bearer change in resources information of upgrading.
After described PCEF received the updating strategy charging regulation, described step also comprised:
AP to described user changes, and described AP change comprises to be made amendment, stop or newly-built carrying in this AP the carrying among this AP;
Or described user's current AP stopped, described AP stops comprising that all carryings with among this AP stop.
When online charging, before the AP to the user changes or described user's current AP stopped, comprise that also step: PCEF and Online Charging System OCS carry out alternately.
The present invention also provides the processing unit of user signing contract information in a kind of strategy and the charging control, described user uses the network service by an accessing points AP at least, this processing unit comprises: the signatory specification storehouse SPR of the CAMEL-Subscription-Information that storage is relevant with user policy, billing control and the user signing contract information acquisition module that is arranged in PCRF
Described user signing contract information acquisition module is used for sending the request message that comprises contracted user's sign to described SPR, obtains the last pairing user signing contract information of AP that the user is activated from SPR.
Wherein, described user signing contract information acquisition module, the described user signing contract information that also is used for obtaining is kept at this locality, perhaps, be applied in the user signing contract information that obtains in the follow-up decision-making after, delete this user signing contract information.
In addition, when the described user signing contract information that will obtain when the user signing contract information acquisition module is kept at this locality, further comprise in the described PCRF: the user signing contract information removing module, be used for when certain AP during by deexcitation with the pairing user signing contract information deletion of this AP.
Further, further comprise the user signing contract information detection module in the described SPR, be used for determining to change with the corresponding user signing contract information of certain AP of user, and when SPR had asked this user signing contract information, its requesting users CAMEL-Subscription-Information of this PCRF of proactive notification changed PCRF before.
In addition, described PCRF further comprises the user signing contract information judge module, be used for after certain AP as the contracted user is activated, the PCRF entity is before SPR sends a request message, definite this locality whether with the pairing user signing contract information of the AP of this current activation, if do not exist, reinform the user signing contract information acquisition module and ask user signing contract information to SPR, if exist, then notify the user signing contract information acquisition module directly to obtain the pairing user signing contract information of AP with this current activation from this locality.
In described PCRF, also comprise:
The policy charging rule update module is used for carrying out the policy charging rule decision-making according to the user signing contract information that upgrades, and the policy charging rule after upgrading is sent to strategy and charge execution function PCEF.
Further, further comprise in the described PCRF: the service bearer resource informing module is used for the service bearer resource information of change is notified to application function AF.
The present invention sends the message that comprises contracted user's sign by PCRF to signatory specification storehouse SPR, two kinds of modes of obtaining the pairing user signing contract information of the described AP of being activated according to described contracted user's sign are provided simultaneously, thereby solve the processing procedure of carrying out strategy and chargeing and control under the business scenario of one-to-many in the concrete business of prior art, thereby make concrete business possess exploitativeness;
Further, the present invention also provides as SPR and has detected when changing with the corresponding user signing contract information of certain AP of user processing procedure to the user signing contract information after upgrading, thereby guaranteed the correctness of user signing contract information among the SPR, and exploitativeness and integrality when further strengthening concrete service implementation.
Description of drawings
Fig. 1 is a PCC frame structure schematic diagram;
Fig. 2 is the realization flow figure that according to an embodiment of the invention user signing contract information is managed;
Fig. 3 is according to an embodiment of the invention to upgrading the process chart of user signing contract information;
Fig. 4 is the flow chart of implementing according to GPRS under the offline charging scene of the present invention;
Fig. 5 is the flow chart of implementing according to GPRS under the online charging scene of the present invention;
Fig. 6 is the flow chart of implementing according to GPRS under the non-session service application scenarios of the present invention;
Fig. 7 is the flow chart of implementing according to GPRS under the session service application scenarios of the present invention.
Embodiment
On SPR, all users' user signing contract information is usually according to accessing points (AP, Access Point, be exactly certain PDN (Packet Data Network, packet data network) inlet is organized, the AP of described PDN is APN in GPRS, is W-APN (WLAN Access PointName) in I-WLAN).That is to say,, need use different user signing contract informations when using the network service by different AP to same user.Therefore the network service that the user can use a plurality of AP to identify, can comprise corresponding with it a plurality of user signing contract informations on SPR.To same PDN, a plurality of AP can be arranged, also can be to have only an AP.
The corresponding IP of accessing points AP connects access network (IP CAN) session, and each IP CAN session can comprise one or more IP connection access networks (IP CAN) carrying.
The processing method of user signing contract information during strategy provided by the invention is controlled with charging, when user's AP is activated, PCRF sends the message that comprises contracted user's sign to SPR, obtains the pairing user signing contract information of the described AP of being activated according to described contracted user's sign.Described AP is activated and refers to this user by this AP use network service, just network need be set up first IP connection access network carrying (IP-CAN bearer) for it, or PCRF receives the business information that belongs to this AP and need carry out the corresponding business information decision from AF.
Below in conjunction with drawings and the specific embodiments the present invention is described in further details again.To send the message comprise contracted user's sign to SPR be the user signing contract information request message to PCRF in this embodiment, and obtain user signing contract information in the response returned by SPR of PCRF.
Figure 2 shows that the realization flow figure that according to an embodiment of the invention user signing contract information is managed.As shown in the figure:
Step 201～203, when certain AP of contracted user was activated, PCRF sent the user signing contract information request message by the Sp interface to SPR, obtains user's pairing user signing contract information on this AP from the response that SPR returns.Include but not limited to following two kinds of methods during specific implementation:
A kind ofly be, only comprise contracted user's sign in the user signing contract information request message that PCRF sent, at this moment, PCRF obtains user's pairing user signing contract information on this AP from the response of SPR process is: SPR identifies according to the contracted user who receives, and issues to comprise the response message that identifies all corresponding user signing contract informations with this contracted user; PCRF obtains all user signing contract informations of this user from the response of SPR, obtain the user signing contract information corresponding with this AP according to the AP sign that is activated again.
In this case, all user signing contract informations that might have certain user among the PCRF, promptly with each AP respective user CAMEL-Subscription-Information of this user, like this, after certain AP of contracted user is activated, PCRF is before SPR sends a request message, may further include: PCRF judges whether this locality has existed and the pairing user signing contract information of AP of this current activation, if do not exist, carrying out subsequent step more promptly asks to SPR again, if exist, then directly obtain the pairing user signing contract information of AP with this current activation, and no longer ask to SPR from this locality.
Another kind is, comprise contracted user's sign and AP sign in the user signing contract information request message that PCRF sent, at this moment, PCRF obtains user's pairing user signing contract information on this AP from the response of SPR process is: SPR issues the response message that comprises user's user signing contract information corresponding with this AP sign according to contracted user's sign that receives and AP sign; PCRF directly obtains from the response of SPR and the corresponding user signing contract information of this AP sign.
If the user does not possess the authority of using certain AP, so, SPR will return error message, and comprise error reason in this message, and for example the user does not possess this AP rights of using.
Above-mentioned contracted user's sign can be IMSI International Mobile Subscriber Identity (IMSI), travelling carriage international comprehensive service digital net number MSISDN (Mobile Station International Integrated ServicesDigital Network Number), Network Access Identifier NAI (Network Access Identifier) etc., and above-mentioned AP sign can be APN (APN) or WLAN (wireless local area network) Access Network title (W-APN).
Step 204, PCRF is kept at this locality with the user signing contract information that is obtained.
Because some network support is set up a plurality of carryings (IP CAN bearer) simultaneously for certain AP of user, therefore, PCRF need obtain corresponding user signing contract information to SPR when first carrying of this AP is set up, and it is stored on the PCRF.Follow-up carrying for this AP is set up, and the direct use of PCRF has been stored in local corresponding information, no longer needs to obtain these information to SPR.
Step 205～208 change when SPR detects with the corresponding user signing contract information of certain AP of user, and PCRF are arranged before when this SPR has asked these information, the variation that SPR can notify this PCRF on one's own initiative and taken place.
When the information that SPR proactive notification PCRF changes, both the user signing contract information after upgrading directly can be sent to PCRF, promptly in step 206, comprise the user signing contract information after the renewal, and in step 207, only need return a response message, rather than the SPR information request, step 208 no longer exists; (this notification message can comprise contracted user's sign also can earlier to issue the notification message that certain user signing contract information upgraded to PCRF by SPR, also can comprise contracted user's sign and AP sign simultaneously), and after the message that receives from the request user signing contract information that comprises AP sign (perhaps just comprising contracted user's sign) of PCRF, user signing contract information after will upgrading again is handed down to PCRF, promptly needs to finish jointly by these several steps of step 206～208.
Step 209, PCRF upgrades the user signing contract information of having stored.
Step 210～211, during by deexcitation, PCRF is with the pairing user signing contract information deletion of this AP at certain AP for the user.
Certain AP of above-mentioned user is deleted by last carrying that deexcitation refers to this AP, and perhaps relevant with this AP any business information or PCC rule/decision-making (rules/decisions) all no longer exists on PCRF.
Need to prove, only allow to set up under the situation of single carrying that first above-mentioned IP-CAN bearer and last carrying are same carryings at some AP.In this case, PCRF obtains and stores the user signing contract information of user on this AP to SPR when this carrying is set up, follow-up should carrying when deleted with these information deletions.
Certainly, also can just obtain these information here and it is applied in the subsequent P CCrules/decision decision-making, with its deletion, not be kept on the PCRF then.
In a word, the represented step of the dotted line among Fig. 2 is an optional step.
In addition, have integrality more in order to make the handling process to user signing contract information provided by the invention, the present invention also provides the processing method when change takes place user signing contract information.
Figure 3 shows that according to an embodiment of the invention to upgrading the process chart of user signing contract information.
Step 301～304 change when SPR detects with the corresponding user signing contract information of certain AP of user, and PCRF are arranged before when this SPR has asked these information, the variation that SPR can notify this PCRF on one's own initiative and taken place.
When the information that SPR proactive notification PCRF changes, both the user signing contract information after upgrading directly can be sent to PCRF, promptly in step 302, comprise the user signing contract information after the renewal, in step 303, only need return a response message, rather than the user signing contract information request; (this notification message can comprise contracted user's sign also can earlier to issue the notification message that certain user signing contract information upgraded to PCRF by SPR, also can comprise contracted user's sign and AP sign simultaneously), and after the message that receives from the request user signing contract information that comprises AP sign (perhaps just comprising contracted user's sign) of PCRF, user signing contract information after will upgrading again is handed down to PCRF, promptly needs to finish jointly by these several steps of step 302～304.
Step 305, PCRF makes a strategic decision to all affected policy charging rules again according to the user signing contract information that upgrades.Carry out subsequent step if policy charging rule changes, otherwise no longer carry out subsequent step, finish.
Step 306～309, the policy charging rule after PCRF will upgrade sends to PCEF, and FCEF carries out new policy charging rule, and returns the response message of execution to FCRF.
Above-mentioned PCEF carries out new policy charging rule and mainly comprises: to existing carrying make amendment (modify), perhaps (termination) ended in existing carrying, perhaps newly-built carrying, the variation of this carrying relies on the variation of updating strategy charging regulation fully.
Here, new policy charging rule also can be the predefine policy charging rule, and at this moment, what PCRF sent is exactly the sign (identifier) of a policy charging rule.
If online charging then comprises step 307 and 308, PCEF and corresponding OCS carry out alternately, to carry out credit control and management.Here, if charge mode (charging key) changes, promptly old charging key is deleted, and receives new charging key simultaneously, and PCEF need return the credit of old charging key so, and asks the credit of new charging key.Also have a kind of situation, if change has taken place in the OCS address, so, existing all charging key need to return residue credit to old OCS address, subsequently to new OCS request credit.These processing procedures are consistent with existing processing procedure.If offline charging then need not execution in step 307 and 308.
Step 310～311, PCRF and AF carry out alternately, the carrying situation of change of notice customer service; And reception is from the response message of AF.
Above-mentioned carrying situation of change comprises that professional QoS (Quality of Service, service quality) changes, and perhaps Ye Wu carrying no longer exists, and perhaps business is under an embargo, and perhaps user's rank changes.
The step that this notice bearing resource changes is to take place just to exist when mutual with PCRF before this at AF, that is to say, just exists for session service, for non-session service this step not.Have, this step both can be carried out after step 309 again, also can carry out after step 305, can also carry out when step 306 and 307 is carried out.
Equally, the represented step of the dotted line among Fig. 3 is an optional step.
Flow process shown in Figure 3 promptly can be independent of flow process individualism shown in Figure 2, also can rely in the flow process shown in Figure 2 to exist.
Figure 4 shows that the flow chart of implementing according to GPRS under the offline charging scene of the present invention.In the present embodiment, GGSN is equivalent to PCEF, and P-CSCF is equivalent to AF.
Step 401～403 change when SPR detects with the corresponding user signing contract information of certain AP of user, and PCRF are arranged before when this SPR has asked these information, the variation that SPR notifies this PCRF on one's own initiative and taken place.In this example, the user signing contract information after SPR will upgrade directly sends to PCRF.
Step 404, PCRF makes a strategic decision to all affected policy charging rules again according to the user signing contract information that upgrades.
Step 405～408, policy charging rule after PCRF will upgrade sends to GGSN, carry out new policy charging rule by GGSN, the operation of promptly described user's AP being changed or described user's current AP being stopped, described AP change comprises to be made amendment, stops or newly-built carrying in this AP the carrying among this AP; Described AP stops comprising that all carryings with among this AP stop.GGSN returns the response message of execution to FCRF afterwards.
Step 409～410, PCRF and AF carry out alternately, the carrying situation of change of notice customer service; And reception is from the response message of AF.This carrying situation of change comprises that professional QoS changes, and perhaps Ye Wu carrying no longer exists, and perhaps business is under an embargo, and perhaps user's rank changes.
Figure 5 shows that the flow chart of implementing according to GPRS under the online charging scene of the present invention.In the present embodiment, GGSN is equivalent to PCEF, and P-CSCF is equivalent to AF.
Step 501～504 are identical with step 401～404, repeat no more.
Step 505～506, PCRF and AF carry out alternately, the carrying situation of change of notice customer service; And reception is from the response message of AF.This carrying situation of change comprises that professional QoS changes, and perhaps Ye Wu carrying no longer exists, and perhaps business is under an embargo, and perhaps user's rank changes.
Step 507～512, the policy charging rule after PCRF will upgrade sends to GGSN, and GGSN and corresponding OCS carry out obtaining current credit information alternately; GGSN carries out new policy charging rule, and the response message of execution is returned in newly-built, the operation revising or stop signaling or AP is stopped of promptly carrying afterwards to FCRF.
Figure 6 shows that the flow chart of implementing according to GPRS under the non-session service application scenarios of the present invention, GGSN is equivalent to PCEF in the present embodiment.
Step 601～604 change when SPR detects with the corresponding user signing contract information of certain AP of user, and PCRF are arranged before when this SPR has asked these information, the variation that SPR notifies this PCRF on one's own initiative and taken place.In this example, earlier issue the notification message that certain user signing contract information has upgraded, and after the message that receives from the request user signing contract information that comprises the AP sign of PCRF, the user signing contract information after will upgrading again is handed down to PCRF to PCRF by SPR.
Step 605, PCRF makes a strategic decision to all affected policy charging rules again according to the user signing contract information that upgrades.
Step 606～611, the policy charging rule after PCRF will upgrade sends to GGSN, if online charging then comprises step 607 and 608, GGSN and corresponding OCS carry out alternately, to obtain current credit; If offline charging does not then comprise this two step.Afterwards, GGSN carries out new policy charging rule, promptly carry newly-built, revise or stop the operation of signaling or stop the operation of AP, and return the response message of execution to FCRF.
Because this example is non-session service, thereby the step of not notifying the AF bearing resource to change.
Figure 7 shows that the flow chart of implementing according to GPRS under the session service application scenarios of the present invention, GGSN is equivalent to PCEF in the present embodiment, and P-CSCF is equivalent to AF.
They are different with two places that mainly contain embodiment illustrated in fig. 6: the user signing contract information after first SPR will upgrade directly sends to PCRF, rather than only sends out a notification message; It two is that PCRF and AF carry out alternately, the carrying situation of change of notice customer service; And reception is from the response message of AF.That is to say, owing to be session service, thereby the step that exists notice AF bearing resource to change.All the other steps all with embodiment illustrated in fig. 6 identical, repeat no more herein.
The invention also discloses the processing unit of user signing contract information in a kind of strategy and the charging control, it comprises: the SPR of the CAMEL-Subscription-Information that storage is relevant with user policy, billing control, and the user signing contract information acquisition module that is arranged in PCRF.
Above-mentioned user signing contract information acquisition module is used for when certain AP of contracted user is activated, and sends the request message that comprises AP sign and contracted user's sign to SPR, obtains user's pairing user signing contract information on this AP from the response of SPR.Concrete obtain manner is explanation in front, repeats no more herein.
Above-mentioned user signing contract information acquisition module, the described user signing contract information that is further used for obtaining is kept at this locality, perhaps, the user signing contract information that obtains is applied in the follow-up decision-making, deletes this user signing contract information afterwards.
When the user signing contract information acquisition module is kept at this locality with the user signing contract information that obtains, further comprise in PCRF: the user signing contract information removing module, it is used for the pairing user signing contract information of this AP being deleted during by deexcitation as certain AP.The implication of above-mentioned activation and deexcitation repeats no more as hereinbefore herein.
In SPR, further comprise the user signing contract information detection module, be used for determining to change with the corresponding user signing contract information of certain AP of user, and when SPR had asked this user signing contract information, its requesting users CAMEL-Subscription-Information of this PCRF of proactive notification changed PCRF before.Concrete Notification Method illustrates in front, repeats no more herein.
In PCRF, can further include: the policy charging rule update module, be used for carrying out the policy charging rule decision-making according to the user signing contract information that upgrades, the policy charging rule after upgrading is sent to PCEF.
Can further include in PCRF: the service bearer resource informing module is used for the service bearer resource information of change is notified to AF.
In PCRF, also further comprise the user signing contract information judge module, be used for after certain AP as the contracted user is activated, PCRF is before SPR sends a request message, definite this locality whether with the pairing user signing contract information of the AP of this current activation, if do not exist, reinform the user signing contract information acquisition module and ask user signing contract information,, then notify the user signing contract information acquisition module directly to obtain the pairing user signing contract information of AP with this current activation from this locality if exist to SPR.
In PCRF, can also comprise: the policy charging rule update module, be used for carrying out the policy charging rule decision-making according to the user signing contract information that upgrades, the policy charging rule after upgrading is sent to strategy and charge execution function PCEF.
May further include in PCRF: the service bearer resource informing module is used for the service bearer resource information of change is notified to application function AF.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.All any modifications of being done within the spirit and principles in the present invention, be equal to replacement, improvement etc., all be included in protection scope of the present invention.
Claims (19)
1, the processing method of user signing contract information during a kind of strategy is controlled with charging, described user uses network service by at least one accessing points AP, it is characterized in that,
When user's AP was activated, strategy sent the message that comprises contracted user's sign with charging regulation function entity PCRF to signatory specification storehouse SPR, obtained the pairing user signing contract information of the described AP of being activated according to described contracted user's sign.
2, method according to claim 1 is characterized in that, the process that described PCRF obtains described user pairing user signing contract information on this AP comprises:
SPR identifies according to the contracted user who receives, and issues to comprise the message that identifies the user signing contract information of all corresponding AP with this contracted user;
PCRF obtains the user signing contract information corresponding with this AP according to the AP sign that this user is activated from the message that described SPR issues.
3, method according to claim 1 is characterized in that,
Described PCRF also comprises the AP sign in the message that described SPR sends;
Described PCRF obtains this user pairing user signing contract information on the AP that is activated from described SPR process is:
SPR issues the message that comprises the user signing contract information corresponding with this AP sign according to described contracted user's sign that receives and described AP sign;
PCRF obtains from this message and the corresponding user signing contract information of this AP sign.
4, method according to claim 1 is characterized in that, described PCRF also comprised step before described SPR sends message:
Described PCRF judges the local pairing user signing contract information of the AP that is activated with this user that whether exists, if do not exist, then carries out subsequent step, otherwise, obtain the pairing user signing contract information of AP that is activated with this user from this locality.
5, method according to claim 1, it is characterized in that, this method further comprises: the described user signing contract information that PCRF will obtain is kept at this locality, perhaps, PCRF carries out the policy, billing decision-making according to the described user signing contract information that obtains, and finishes described this user signing contract information of policy, billing decision-making back deletion.
6, method according to claim 5 is characterized in that, when the described user signing contract information that will obtain as described PCRF was kept at this locality, this method further comprised:
Described user's current AP is during by deexcitation, and described PCRF is with the pairing user signing contract information deletion of this AP.
7, according to any one described method in the claim 1 to 6, it is characterized in that, change, and when described PCRF has sent user signing contract information, this method also comprises when described SPR detects the user signing contract information corresponding with this user's AP:
Described SPR notifies this PCRF user signing contract information to change.
8, method according to claim 7 is characterized in that, described SPR notifies the process of described PCRF to comprise step:
User signing contract information after described SPR will upgrade sends to this PCRF; Perhaps, described SPR issues the notification message that user signing contract information has upgraded to described PCRF, and receive upgrade the message of user signing contract information from the request of PCRF after, the user signing contract information after will upgrading again is handed down to PCRF.
9, method according to claim 8 is characterized in that, and is when described PCRF receives user signing contract information from the renewal of SPR, further comprising the steps of:
A), described PCRF carries out the policy charging rule decision-making according to the user signing contract information that upgrades, the policy charging rule after obtaining to upgrade;
B), the policy charging rule after described PCRF will upgrade sends to strategy and charging execution function entity PCEF.
10, method according to claim 9 is characterized in that, in steps A) after also comprise:
Described PCRF is notified to Application Function AF with the service bearer change in resources information of upgrading.
11, method according to claim 10 is characterized in that, after described PCEF received the updating strategy charging regulation, described step also comprised:
AP to described user changes, and described AP change comprises to be made amendment, stop or newly-built carrying in this AP the carrying among this AP;
Or described user's current AP stopped, described AP stops comprising that all carryings with among this AP stop.
12, method according to claim 11 is characterized in that, when online charging, before the AP to the user changes or described user's current AP stopped, comprises that also step: PCEF and Online Charging System OCS carry out alternately.
13, the processing unit of user signing contract information during a kind of strategy is controlled with charging, described user uses the network service by an accessing points AP at least, it is characterized in that, comprise: the signatory specification storehouse SPR of the CAMEL-Subscription-Information that storage is relevant with user policy, billing control and the user signing contract information acquisition module that is arranged in PCRF
Described user signing contract information acquisition module is used for sending the request message that comprises contracted user's sign to described SPR, obtains the last pairing user signing contract information of AP that the user is activated from SPR.
14, device according to claim 13 is characterized in that, described user signing contract information acquisition module, the described user signing contract information that also is used for obtaining is kept at this locality, perhaps, be applied in the user signing contract information that obtains in the follow-up decision-making after, delete this user signing contract information.
15, device according to claim 14, it is characterized in that, when the described user signing contract information that will obtain when the user signing contract information acquisition module is kept at this locality, further comprise in the described PCRF: the user signing contract information removing module, be used for when certain AP during by deexcitation with the pairing user signing contract information deletion of this AP.
16, according to each described device in the claim 13 to 15, it is characterized in that, further comprise the user signing contract information detection module in the described SPR, be used for determining to change with the corresponding user signing contract information of certain AP of user, and when SPR had asked this user signing contract information, its requesting users CAMEL-Subscription-Information of this PCRF of proactive notification changed PCRF before.
17, device according to claim 16, it is characterized in that, described PCRF further comprises the user signing contract information judge module, be used for after certain AP as the contracted user is activated, PCRF is before SPR sends a request message, definite this locality whether with the pairing user signing contract information of the AP of this current activation, if do not exist, reinform the user signing contract information acquisition module and ask user signing contract information to SPR, if exist, then notify the user signing contract information acquisition module directly to obtain the pairing user signing contract information of AP with this current activation from this locality.
18, device according to claim 17 is characterized in that, also comprises in described PCRF:
The policy charging rule update module is used for carrying out the policy charging rule decision-making according to the user signing contract information that upgrades, and the policy charging rule after upgrading is sent to strategy and charge execution function PCEF.
19, device according to claim 18 is characterized in that, further comprises in the described PCRF: the service bearer resource informing module is used for the service bearer resource information of change is notified to application function AF.
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