CN102612011A - Method and system for switching charging control policies at real time - Google Patents
Method and system for switching charging control policies at real time Download PDFInfo
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Abstract
The invention discloses a method and system for switching charging control policies at real time. The method comprises the following steps: sending a notification message to a policy and charging executive function (PCEF) when the condition that a user satisfies charging policy switching conditions is judged by a policy and charging rule function (PCRF), wherein the notification message carries corresponding switched charging policies and charging addresses; selecting the corresponding charging addresses according to the switched charge policies after the notification message is received by the PCEF, so as to charge the user. The system comprises the PCRF and the PCEF, wherein the PCRF is used for sending the notification message to the PCEF when the condition that the user satisfies the charging policy switching conditions is judged by the PCRE, wherein the notification message carries the corresponding switched charging policies and charging addresses; and the PCEF is used for selecting the corresponding charging addresses according to the switched charging policies after the notification message is received by the PCEF, so as to charge the user. The method and system provided by the invention can be used for more flexibly controlling the charging policy of the user, so as to achieve reasonability, timeliness and accuracy of charging.
Description
Technical field
The present invention relates to the communications field, relate in particular to the method and system that a kind of control strategy that charges switches in real time.
Background technology
In the face of the diversity of mobile data value-added service abundant in the present network and data user's online, because roaming or other situation cause the too high malicious owing fee that causes of expense, therefore hope to a certain type of user for avoiding; When the user gets into roaming state by non-roaming state; The user is carried out online charging, when user's expense surpasses certain threshold value, give user reminding; And cut off its data connection, force users rolls off the production line.
The executive capability of the realization of this function and PCEF (Policy and Charging Enforcement Function, strategy and charge execution function) is relevant.The PCEF that has can own obtain user type from related network elements, and judges whether that according to the current roaming state of user needs are directed against this user and carry out online charging; And the PCEF that has does not have this function, and this just needs PCRF (Policy Control andCharging Rules Function, strategy and charging rule functions) for it policy control of online charging to be provided.
In existing protocol; Be through 3GPP (The 3rd GenerationPartnership Project between PCRF and the PCEF; Third generation partner program) (29212) (Policy and charging controlover Gx reference point, the strategy and the control Gx interface that charges) carries out charging policy control.(the Credit Control Answer at CCA has just been described in this agreement; Can carry Online AVP (Attribute Value Pair under the situation of initialization Credit Control Answer) (INITIAL REQUEST); Property value to) or Offline AVP; Clearly do not describe whether can carry this type of parameter in other cases, upgrade (UPDATE REQUEST), RAR (Re-Auth-Request, authorization requests again) such as CCA-U.Therefore, if after realizing getting into roaming state by the non-state that diffuses in, the control strategy that offline charging changes online charging just is difficult to realize according to agreement.
Summary of the invention
Technical problem to be solved by this invention provides the method and system that a kind of control strategy that charges switches in real time, only can carry out the problem that charging policy is implemented through CCA-I message trigger PCEF to solve to existing.
For addressing the above problem, the invention provides the method that a kind of control strategy that charges switches in real time, comprising:
Strategy and charging rule functions (PCRF) send a notification message to strategy and charge execution function (PCEF) when judging the user and satisfy the charging policy switching condition, wherein carry charging policy and charging address after the corresponding switching;
After said PCEF receives said notification message, select corresponding charging address that said user is chargeed according to the charging policy after the said switching.
Further,
Said charging policy switching condition comprises: the user who is in non-roaming attitude is changed the roaming attitude into; Charging policy after the switching of said correspondence is the online charging strategy; Said notification message is that (CCA-U) message is replied in credit control renewal;
Said PCRF judges the user and satisfies the charging policy switching condition, specifically comprises:
The incident that being used to of carrying in request (CCR-U) message represent that the user roams is upgraded in the credit control that said PCRF reports according to said PCEF, judges said user and satisfies said charging policy switching condition.
Further,
Said charging policy switching condition comprises: the user who is in the roaming attitude is changed non-roaming attitude into; Charging policy after the switching of said correspondence is the offline charging strategy; Said notification message is a CCA-U message;
Said PCRF judges the user and satisfies the charging policy switching condition, specifically comprises:
Being used to of carrying in the CCR-U message that said PCRF reports according to said PCEF representes that the user has finished the incident of roaming, judges said user and satisfies said charging policy switching condition.
Further,
Said charging policy switching condition comprises: user's consumption reaches preset threshold value; Charging policy after the switching of said correspondence is the online charging strategy; Said notification message is authorization requests (RAR) message again;
Said PCRF judges the user and satisfies the charging policy switching condition, specifically comprises:
Said PCRF judges said user and satisfies said charging policy switching condition according to the user's of said PCEF real-time report consumption.
Further,
Said charging policy switching condition comprises: said user's the consumption cycle reaches the zero clearing time point; Charging policy after the switching of said correspondence is the offline charging strategy; Said notification message is authorization requests (RAR) message again;
Said PCRF judges the user and satisfies the charging policy switching condition, specifically comprises:
Said PCRF judges said user and satisfies said charging policy switching condition according to current time and said user's consumption cyclic attributes.
Further, said method also comprises:
After said PCEF receives said RAR, send authorization response again (RAA) message to said PCRF.
Further,
Under the PCRF roaming scence, said PCRF is ownership place PCRF, and the information between said ownership place PCRF and the said PCEF is transmitted through roaming place PCRF.
Correspondingly, the system that the present invention also provides a kind of control strategy that charges to switch in real time comprises:
Strategy and charging rule functions (PCRF) are used for when judging the user and satisfy the charging policy switching condition, sending a notification message to strategy and charge execution function (PCEF), wherein carry charging policy and charging address after the corresponding switching;
Said PCEF is used for after receiving said notification message, selects corresponding charging address that said user is chargeed according to the charging policy after the said switching.
Further,
Said charging policy switching condition comprises: the user who is in non-roaming attitude is changed the roaming attitude into; Charging policy after the switching of said correspondence is the online charging strategy; Said notification message is that (CCA-U) message is replied in credit control renewal;
Said PCRF is used to judge the user and satisfies the charging policy switching condition, specifically comprises:
The credit control that said PCRF is used for reporting according to said PCEF upgrades that request (CCR-U) message carries is used to the incident of representing that the user roams, judges said user and satisfies said charging policy switching condition.
Further,
Said charging policy switching condition comprises: the user who is in the roaming attitude is changed non-roaming attitude into; Charging policy after the switching of said correspondence is the offline charging strategy; Said notification message is a CCA-U message;
Said PCRF is used to judge the user and satisfies the charging policy switching condition, specifically comprises:
The CCR-U message that said PCRF is used for reporting according to said PCEF is carried is used to represent that the user has finished the incident of roaming, judges said user and satisfies said charging policy switching condition.
Further,
Said charging policy switching condition comprises: user's consumption reaches preset threshold value; Charging policy after the switching of said correspondence is the online charging strategy; Said notification message is authorization requests (RAR) message again;
Said PCRF is used to judge the user and satisfies the charging policy switching condition, specifically comprises:
Said PCRF is used for the consumption according to the user of said PCEF real-time report, judges said user and satisfies said charging policy switching condition.
Further,
Said charging policy switching condition comprises: user's the consumption cycle reaches the zero clearing time point; Charging policy after the switching of said correspondence is the offline charging strategy; Said notification message is authorization requests (RAR) message again;
Said PCRF is used to judge the user and satisfies the charging policy switching condition, specifically comprises:
Said PCRF is used for the attribute according to current time and said user's the consumption cycle, judges said user and satisfies said charging policy switching condition.
Further,
Said PCEF also is used for after receiving said RAR, sends authorization response again (RAA) message to said PCRF.
Further,
Under the PCRF roaming scence, said PCRF is ownership place PCRF, and the information between said ownership place PCRF and the said PCEF is transmitted through roaming place PCRF.
Through technique scheme of the present invention, PCRF realizes that through in the IP-CAN session updates, carrying Online AVP and relevant charging address etc. offline charging changes the policy control of online charging, has promptly carried out real-time switching to the charging control strategy.Than prior art, no longer receive the restriction of PCEF executive capability, directly control charging way through PCRF, make PCRF can control user's charging more flexibly, the enormous expenditure of having avoided the user under roaming state, to produce.
After adopting the present invention; Owing to can in CCA-U, carry billing parameter; Comprise OnlineAVP/Offline AVP and corresponding online charging address or offline charging address; Therefore can realize under roaming scence not only that offline charging changes online charging, can also be applied to the scene that other need realize that charging policy switches.Such as: under the situation of a certain type user, bring into use some expense when professional, to switch to online charging than higher at offline charging; Perhaps when the user gets back to this locality by roaming, can switch back to the offline charging strategy again, thereby can control user's charging policy more flexibly, with reasonability, real-time and the accuracy that reaches charging.
Description of drawings
Fig. 1 is the method flow diagram that a kind of control strategy that charges switches in real time in the embodiment of the invention;
Fig. 2 does not have strategy and charging control system structure chart under the roaming scence at PCRF in the embodiment of the invention;
Fig. 3 is through user CCR-U message request strategy switching processing flow chart in the embodiment of the invention;
Fig. 4 is the tactful switching processing flow chart that passes through PCRF internal event or other network element Event triggered in the embodiment of the invention;
Fig. 5 is strategy under the PCRF roaming scence and a charging control system structure chart in the embodiment of the invention;
Fig. 6 passes through user CCR-U message request strategy switching processing flow chart under the PCRF roaming scence in the embodiment of the invention;
Fig. 7 be in the embodiment of the invention under the PCRF roaming scence, through the tactful switching processing flow chart of PCRF internal event or other network element Event triggered.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, hereinafter will combine accompanying drawing that embodiments of the invention are elaborated.Need to prove that under the situation of not conflicting, embodiment among the application and the characteristic among the embodiment be combination in any each other.
At present,, assign through CCA-U and RAR message in the strategy of carrying out to PCEF, do not comprise billing parameters such as Online AVP/Offline AVP at PCRF based on the processing procedure of 3GPP 29212Gx interface protocol.Based on this, present embodiment is given PCEF through in CCA-U or RAR message, specifying OnlineAVP/Offline AVP and charging address information, carries out corresponding charging policy by PCEF, to reach the purpose of real-time switch metering strategy.
In the present embodiment, the method that a kind of charging policy of realizing based on 3GPP (29212) Gx agreement switches in real time, as shown in Figure 1, may further comprise the steps:
PCRF sends a notification message to PCEF when judging the user and satisfy the charging policy switching condition, wherein carries charging policy and charging address after the corresponding switching;
After PCEF receives above-mentioned notification message, select corresponding charging address that this user is chargeed according to the charging policy after the above-mentioned switching.
Particularly, adopt said method to carry out the method that strategy switches, comprising transfer the user who roams attitude to from non-roaming attitude:
(1) user is behind this wire over ground; PCEF sends user's request of reaching the standard grade to PCRF; PCRF issues CCA message to PCEF, carries wherein that offline charging enables and charge information such as the first offline charging address that disposes and second offline charging address, requires PCEF in view of the above above-mentioned user to be carried out offline charging;
(2) after the user got into the roaming place, PCEF reported SGSN CHANGE (0) incident or PLMN CHANGE (4) incident etc. can show that this user gets into the incident of roaming through CCR-U (Credit Control Request, credit control request) updating message to PCRF;
Wherein, the user gets into the roaming place and is meant: the user is under the online always situation, from get into the roaming place non-roamingly.
(3) PCRF is according to the rule of current configuration; Satisfy the charging policy switching condition if judge said user; Then sending to the CCA-U (CCA-Update of PCEF; The CCA renewal) carries online charging Online AVP in the message and enable charging relevant informations such as (ENABLE ONLINE (1)) and the corresponding first online charging address, the second online charging address, be used to notify PCEF to revise IP-CAN (IP-Connectivity Access Network, IP connected reference network) session;
Wherein, this stratagem strategy switching condition can comprise following two conditions:
A) said user's type is a specified type, like the postpaid service user;
B) the current roaming attitude that is in of said user.
(4) PCEF enables and the online charging address according to the online charging that carries in the CCA-U message that receives, and the user is carried out online charging.
For the function that the above-mentioned user account of mentioning is reminded and interrupted connecting, can be by OCS (OnlineCharging System, Online Charging System) system's support, not within scope of the present invention, so no longer describe.And the key of said method is exactly to expand the Gx interface protocol, to reach the policy control of real-time switch metering strategy.If PCRF has roaming to dispose, then the S9 interface need be expanded too accordingly.
Further; In step (1), PCRF need subscribe to SGSN CHANGE incident or PLMN CHANGE incident to PCEF in the CCA message of sending to PCEF; Be used for as SGSN (Servicing GPRS Support Node for this user's service; The service GPRS node) changes when perhaps PLMN (Public Land Mobile Network, public land mobile network) changes, can have notification event to report PCRF.
Further, in step (3), expanded 3GPP 29212Gx interface protocol, explicitly called for and in CCA-U message, can carry the Online AVP address parameter that enables and charge accordingly, to realize this function.
In addition, because other situation needing to cause the switch metering strategy, also can realize through the method.When using certain concrete business (downloading), adopt online charging, otherwise adopt offline charging such as BT like the active user; Perhaps when user's consumption per day reaches certain threshold value, adopt online charging, otherwise adopt offline charging or the like.
Further, in RAR message, expand, carry the charging relevant information, can also realize the own active push charging policy of PCRF, thereby can really reach the purpose of real-time switch metering strategy to PCEF.
Further, said method is suitable under the situation of disposing roaming PCRF too, promptly need also need do same expansion at the roaming interface S9 of PCRF interface and come the real real-time switching that realizes this charging control strategy.
Fig. 2 is the system architecture diagram under the non-roaming state of PCRF.As shown in Figure 2; System architecture under the non-roaming state mainly comprises following network element: SPR (Subscription Profile Repository; The user property memory), PCRF, PCEF, OCS, OFCS (Offline Charging System; Off-line accounting system), ignored here and the irrelevant network element of the realization of present embodiment.Wherein, be connected through the Sp interface between SPR and the PCRF, be connected through the Gx interface between PCRF and the PCEF, be connected through the Gy interface between OCS and the PCEF, be connected through the Gz interface between OFCS and the PCEF.
Further specify with several application example of the present invention below.
Applying examples one
As shown in Figure 3, the handoff procedure of the non-roaming framework CCR-U of PCRF Event triggered charging policy comprises the steps: wherein, and the said external Event triggered comprises that the user roams perhaps other incidents of switching:
(1) postpaid service user gets into the roaming place, and PCEF reports SGSN CHANGE incident through CCR-U message to PCRF;
Here suppose that the postpaid service user normally reaches the standard grade in this locality, and carry out the offline charging strategy.
(2) PCRF is according to the relevant information of CCR-U information updating current saved;
As in this example, can carry the current SGSN address of user in the CCR-U message, PCRF then upgrades the SGSN address of current saved according to this address.Sometimes CCR-U message also can be carried the consumption information that the active user uses simultaneously, and correspondingly, PCRF also can upgrade the corresponding informance of current saved.
(3) PCRF carries out strategic decision-making according to local policy and user related information;
A) there is following charging policy switching condition in supposition PCRF:
User type is the user who pays in the back, changes under the roaming state from non-roaming attitude; Corresponding charging policy is to carry out the online charging strategy according to the online charging address of appointment;
B) supposition PCRF requires PCEF to report SGSN CHANGE incident.
(4) PCRF preserves current policing rule of making a strategic decision out;
(5) PCRF replys CCA-U message according to the policing rule coding of making a strategic decision out, wherein carries Online AVP and online charging address information, is used to indicate PCEF that the active user is carried out the online charging strategy;
(6) after PCEF received CCA-U message, executing rule was promptly carried out the online charging strategy to the user as indicated.
After this, when this user transfers non-roaming attitude to by roaming state, also can adopt above-mentioned flow process to send corresponding offline charging strategy to PCEF, this user carried out offline charging by PCEF by PCRF.
Applying examples two
As shown in Figure 4, under the non-roaming framework of PCRF, the PCRF internal event triggers the changing method of charging policy, and the internal event supposition here is the policy update that certain consumption of user reaches threshold triggers, comprises the steps:
(1) certain consumption of user reaches threshold value, internal trigger policy update decision process;
Here suppose step (1) before the user be normally online, consumption does not reach threshold value, and carries out the offline charging strategy;
(2) threshold event triggers the inner strategy decision process, according to the charging policy switching condition needs switch metering strategy of making a strategic decision out, switches to online charging by original offline charging.
A) supposition PCRF has disposed following charging policy switching condition:
Certain consumption of user surpasses threshold value; Corresponding charging policy is the online charging strategy;
B) supposition PCEF carries out the consumption monitoring to the user, and can regularly report volume value, is used for PCRF consumption is carried out cumulative statistics.
(3) the current charging policy of making a strategic decision out of PCRF storage;
(4) initiatively to upgrade charging policy be online charging to PCRF coding RAR message, and carry OnlineAVP and charging address information, is used to indicate PCEF that the active user is carried out the online charging strategy;
(5) after PCEF received RAR message, executing rule was promptly carried out the online charging strategy to the user as indicated;
(6) PCEF sends RAA (Re-Auth-Answer, authorization response again) response message to PCRF.
After this, when this user's the consumption cycle reaches the zero clearing time point, also can adopt above-mentioned flow process to send corresponding offline charging strategy to PCEF, this user carried out offline charging by PCEF by PCRF.
Fig. 5 is the system architecture diagram of disposing under the roaming PCRF state, has still ignored here with the present invention and has realized the network element that has nothing to do.Compare with Fig. 2; The difference of the system architecture under system architecture under the PCRF roaming state and non-roaming state is that PCRF is divided into V-PCRF (Visit PCRF; Visit ground PCRF) and H-PCRF (Home PCRF, ownership place PCRF), wherein be connected through the S9 interface between V-PCRF and the H-PCRF.
Applying examples three
As shown in Figure 6, PCEF comprises the steps: through the method for the switching of reported event (getting into the roaming place like the user) triggering charging policy
(1) after the user got into the roaming place, PCEF gave ownership V-PCRF through CCR-U information reporting SGSN CHANGE incident; Here suppose that the user carries out the offline charging strategy in this locality;
(2) V-PCRF is according to CCR-U information updating user session information;
(3) V-PCRF through the S9 interface the CCR-U forwards to H-PCRF;
(4) H-PCRF makes a strategic decision according to the CCR-U message that receives and the charging policy switching condition of current configuration, draws and need carry out the switching of charging policy to the user;
A) there is following charging policy switching condition in supposition H-PCRF:
The user converts roaming state into from non-roaming attitude; Corresponding charging policy is to carry out the online charging strategy according to the online charging address of appointment.
B) supposition H-PCRF requires PCEF to report SGSN CHANGE incident.
(5) H-PCRF coding CCA-U message is wherein carried Online AVP and charging address information, is used to indicate PCEF that the active user is carried out the online charging strategy, sends on the V-PCRF through the S9 interface;
(6) the current rule of making a strategic decision out of V-PCRF storage;
(7) V-PCRF sends to PCEF to the CCA-U message of carrying online charging policy through the Gx interface;
(8) after PCEF received CCA-U message, executing rule was promptly carried out the online charging strategy to the user as indicated.
Applying examples four,
As shown in Figure 7, based on the flow process that the stratagem of H-PCRF internal event triggering is upgraded, suppose that here certain consumption of user surpasses the threshold triggers strategic decision-making and upgrades, and the user carries out the offline charging strategy before the policy update, may further comprise the steps:
(1) certain consumption of user reaches threshold value, internal trigger policy update decision process;
Here suppose that the preceding user of step (1) be normally online, consumption does not reach threshold value, and carries out the offline charging strategy.
(2) H-PCRF carries out strategic decision-making according to current charging switching condition to this user, draws to carry out the switching of charging policy to the user;
A) supposition H-PCRF has disposed following charging switching condition:
Certain consumption of user surpasses threshold value; Corresponding charging policy is: carry out the online charging strategy;
B) supposition PCEF carries out the consumption monitoring to the user, and can regularly report volume value, is used for H-PCRF and carries out consumption accumulative total.
(3) the H-PCRF strategy coding RAR message of coming out decision-making is carried Online AVP and charging address information, is used to indicate PCEF that the active user is carried out the online charging strategy, through the S9 interface this RAR message is sent to V-PCRF then;
(4) V-PCRF storage corresponding strategies;
(5) V-PCRF transmits this RAR message to PCEF;
(6) after PCEF received RAR message, executing rule was promptly carried out the online charging strategy to the user as indicated;
(7) PCEF is to V-PCRF response RAA message;
(8) V-PCRF gives H-PCRF with the RAA forwards that receives;
(9) H-PCRF receives RAA message.
The detection incident that user roaming state changes in above applying examples one and the applying examples three is SGSN CHANGE, and PLMN CHANGE also is the incident that roaming state changes in the agreement.Therefore need select the subscription incident according to practical situations, and judge whether to be in roaming state.
In addition, in the present embodiment, the system that a kind of control strategy that charges switches in real time comprises:
Strategy and charging rule functions (PCRF) are used for when judging the user and satisfy the charging policy switching condition, sending a notification message to strategy and charge execution function (PCEF), wherein carry charging policy and charging address after the corresponding switching;
Said PCEF is used for after receiving said notification message, selects corresponding charging address that said user is chargeed according to the charging policy after the said switching.
More excellent ground,
Said charging policy switching condition comprises: the user who is in non-roaming attitude is changed the roaming attitude into; Charging policy after the switching of said correspondence is the online charging strategy; Said notification message is that (CCA-U) message is replied in credit control renewal;
Said PCRF is used to judge the user and satisfies the charging policy switching condition, specifically comprises:
The credit control that said PCRF is used for reporting according to said PCEF upgrades that request (CCR-U) message carries is used to the incident of representing that the user roams, judges said user and satisfies said charging policy switching condition.
More excellent ground,
Said charging policy switching condition comprises: the user who is in the roaming attitude is changed non-roaming attitude into; Charging policy after the switching of said correspondence is the offline charging strategy; Said notification message is a CCA-U message;
Said PCRF is used to judge the user and satisfies the charging policy switching condition, specifically comprises:
The CCR-U message that said PCRF is used for reporting according to said PCEF is carried is used to represent that the user has finished the incident of roaming, judges said user and satisfies said charging policy switching condition.
More excellent ground,
Said charging policy switching condition comprises: user's consumption reaches preset threshold value; Charging policy after the switching of said correspondence is the online charging strategy; Said notification message is authorization requests (RAR) message again;
Said PCRF is used to judge the user and satisfies the charging policy switching condition, specifically comprises:
Said PCRF is used for the consumption according to the user of said PCEF real-time report, judges said user and satisfies said charging policy switching condition.
More excellent ground,
Said charging policy switching condition comprises: user's the consumption cycle reaches the zero clearing time point; Charging policy after the switching of said correspondence is the offline charging strategy; Said notification message is authorization requests (RAR) message again;
Said PCRF is used to judge the user and satisfies the charging policy switching condition, specifically comprises:
Said PCRF is used for the attribute according to current time and said user's the consumption cycle, judges said user and satisfies said charging policy switching condition.
More excellent ground,
Said PCEF also is used for after receiving said RAR, sends authorization response again (RAA) message to said PCRF.
More excellent ground,
Under the PCRF roaming scence, said PCRF is ownership place PCRF, and the information between said ownership place PCRF and the said PCEF is transmitted through roaming place PCRF.
In the prior art; Need depend on the executive capability of PCEF; If whether PCEF can support to obtain user type and judge current from other network elements is roaming state, PCEF just need not control and directly open online charging policy and also carry out through PCRF so.But there are a lot of PCEF network elements also not possess this function at present, promptly do not reach this executive capability, therefore, consider to propose technique scheme from improving the policy control ability of PCRF.
The technical scheme that provides through applying examples of the present invention; PCRF is through carrying Online AVP/Offline AVP and relevant charging address information indication PCEF carries out online charging or offline charging in the CCA-U of Gx interface and S9 interface or RAR message; Than prior art; PCRF can control PCEF more flexibly and carry out corresponding strategies, and does not receive the restriction of PCEF executive capability, has further improved the policy control ability of PCRF.And the condition that triggers the charging policy switching also not only is confined to roaming to be switched or the consumption threshold triggers, and various needs carry out the condition that charging policy switches, and can consider to control through PCRF.
The present invention is the method that a kind of control strategy that charges switches in real time; 3GPP 29212Gx interface protocol and S9 interface protocol are expanded, be used for to carry Online AVP/O with billing parameters such as ine AVP in IP-CAN session updates and active push session updates policy message.This expansion does not influence the execution of existing procedure.
The present invention expands agreement, not only can be applicable to the scene of user by non-roaming entering roaming, can also be used for the scene that other need realize that charging policy switches.
In sum, adopt the present invention, can be applied to PCC (Policy Charging Control; Policy and charging control) in the system; Solved to the designated user type, the charging policy of switch metering strategy is controlled in real time, has improved the policy control ability of PCRF; Thereby can control user's charging policy more flexibly, with reasonability, real-time and the accuracy that reaches charging.
One of ordinary skill in the art will appreciate that all or part of step in the said method can instruct related hardware to accomplish through program, said program can be stored in the computer-readable recording medium, like read-only memory, disk or CD etc.Alternatively, all or part of step of above-mentioned applying examples also can use one or more integrated circuits to realize.Correspondingly, each the module/unit in the above-mentioned applying examples can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
The above is merely advantageous applications example of the present invention, is not to be used to limit protection scope of the present invention.According to summary of the invention of the present invention; Other multiple applying examples also can be arranged; Under the situation that does not deviate from spirit of the present invention and essence thereof, those of ordinary skill in the art are when making various corresponding changes and distortion according to the present invention, and are all within spirit of the present invention and principle; Any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. method that the control strategy that charges switches in real time comprises:
Strategy and charging rule functions (PCRF) send a notification message to strategy and charge execution function (PCEF) when judging the user and satisfy the charging policy switching condition, wherein carry charging policy and charging address after the corresponding switching;
After said PCEF receives said notification message, select corresponding charging address that said user is chargeed according to the charging policy after the said switching.
2. the method for claim 1 is characterized in that:
Said charging policy switching condition comprises: the user who is in non-roaming attitude is changed the roaming attitude into; Charging policy after the switching of said correspondence is the online charging strategy; Said notification message is that (CCA-U) message is replied in credit control renewal;
Said PCRF judges the user and satisfies the charging policy switching condition, specifically comprises:
The incident that being used to of carrying in request (CCR-U) message represent that the user roams is upgraded in the credit control that said PCRF reports according to said PCEF, judges said user and satisfies said charging policy switching condition.
3. the method for claim 1 is characterized in that:
Said charging policy switching condition comprises: the user who is in the roaming attitude is changed non-roaming attitude into; Charging policy after the switching of said correspondence is the offline charging strategy; Said notification message is a CCA-U message;
Said PCRF judges the user and satisfies the charging policy switching condition, specifically comprises:
Being used to of carrying in the CCR-U message that said PCRF reports according to said PCEF representes that the user has finished the incident of roaming, judges said user and satisfies said charging policy switching condition.
4. the method for claim 1 is characterized in that:
Said charging policy switching condition comprises: user's consumption reaches preset threshold value; Charging policy after the switching of said correspondence is the online charging strategy; Said notification message is authorization requests (RAR) message again;
Said PCRF judges the user and satisfies the charging policy switching condition, specifically comprises:
Said PCRF judges said user and satisfies said charging policy switching condition according to the user's of said PCEF real-time report consumption.
5. the method for claim 1 is characterized in that:
Said charging policy switching condition comprises: said user's the consumption cycle reaches the zero clearing time point; Charging policy after the switching of said correspondence is the offline charging strategy; Said notification message is authorization requests (RAR) message again;
Said PCRF judges the user and satisfies the charging policy switching condition, specifically comprises:
Said PCRF judges said user and satisfies said charging policy switching condition according to current time and said user's consumption cyclic attributes.
6. like claim 4 or 5 described methods, it is characterized in that said method also comprises:
After said PCEF receives said RAR, send authorization response again (RAA) message to said PCRF.
7. like any described method in the claim 1～5, it is characterized in that:
Under the PCRF roaming scence, said PCRF is ownership place PCRF, and the information between said ownership place PCRF and the said PCEF is transmitted through roaming place PCRF.
8. system that the control strategy that charges switches in real time comprises:
Strategy and charging rule functions (PCRF) are used for when judging the user and satisfy the charging policy switching condition, sending a notification message to strategy and charge execution function (PCEF), wherein carry charging policy and charging address after the corresponding switching;
Said PCEF is used for after receiving said notification message, selects corresponding charging address that said user is chargeed according to the charging policy after the said switching.
9. system as claimed in claim 8 is characterized in that:
Said charging policy switching condition comprises: the user who is in non-roaming attitude is changed the roaming attitude into; Charging policy after the switching of said correspondence is the online charging strategy; Said notification message is that (CCA-U) message is replied in credit control renewal;
Said PCRF is used to judge the user and satisfies the charging policy switching condition, specifically comprises:
The credit control that said PCRF is used for reporting according to said PCEF upgrades that request (CCR-U) message carries is used to the incident of representing that the user roams, judges said user and satisfies said charging policy switching condition.
10. system as claimed in claim 8 is characterized in that:
Said charging policy switching condition comprises: the user who is in the roaming attitude is changed non-roaming attitude into; Charging policy after the switching of said correspondence is the offline charging strategy; Said notification message is a CCA-U message;
Said PCRF is used to judge the user and satisfies the charging policy switching condition, specifically comprises:
The CCR-U message that said PCRF is used for reporting according to said PCEF is carried is used to represent that the user has finished the incident of roaming, judges said user and satisfies said charging policy switching condition.
11. system as claimed in claim 8 is characterized in that:
Said charging policy switching condition comprises: user's consumption reaches preset threshold value; Charging policy after the switching of said correspondence is the online charging strategy; Said notification message is authorization requests (RAR) message again;
Said PCRF is used to judge the user and satisfies the charging policy switching condition, specifically comprises:
Said PCRF is used for the consumption according to the user of said PCEF real-time report, judges said user and satisfies said charging policy switching condition.
12. system as claimed in claim 8 is characterized in that:
Said charging policy switching condition comprises: user's the consumption cycle reaches the zero clearing time point; Charging policy after the switching of said correspondence is the offline charging strategy; Said notification message is authorization requests (RAR) message again;
Said PCRF is used to judge the user and satisfies the charging policy switching condition, specifically comprises:
Said PCRF is used for the attribute according to current time and said user's the consumption cycle, judges said user and satisfies said charging policy switching condition.
13., it is characterized in that like claim 11 or 12 described systems:
Said PCEF also is used for after receiving said RAR, sends authorization response again (RAA) message to said PCRF.
14., it is characterized in that like any described system in the claim 8～12:
Under the PCRF roaming scence, said PCRF is ownership place PCRF, and the information between said ownership place PCRF and the said PCEF is transmitted through roaming place PCRF.
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