CN107547212A

CN107547212A - A kind of charging method based on separation architecture, device and system

Info

Publication number: CN107547212A
Application number: CN201610474713.0A
Authority: CN
Inventors: 吴锦花; 郑芳庭; 吴瑟
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2016-06-24
Filing date: 2016-06-24
Publication date: 2018-01-05
Also published as: WO2017219905A1

Abstract

The embodiment of the invention discloses a kind of charging method based on separation architecture, device and system；This method is applied to the user plane functions in the separation architecture of chain of command function and user plane functions, and in the separation architecture, the user plane functions are connected with charge system, and report interface to interact by charging, and methods described includes：The user plane functions obtain charging regulation from the chain of command function；The user plane functions carry out billing statistics in conversation procedure, and report interface to report billing statistics information to the charge system by the charging according to the charging regulation.

Description

A kind of charging method based on separation architecture, device and system

Technical field

The present invention relates to wireless communication technology, more particularly to a kind of charging method based on separation architecture, device and system.

Background technology

With the sharp increase of Network, existing third generation partner program (3GPP, 3rd Generation Partnership Project) evolved packet system (EPS, Evolved Packet System) progressively generate some about Beam, user data stream process concentrate on packet data network (PDN, Packet Data Network) egress gateways, cause gateway Functions of the equipments are numerous and diverse, poor expandability.The chain of command of gateway highly couples with forwarding surface, is unfavorable for core net smooth evolution.Turn Fermentation dilatation demand frequency is higher than chain of command, and close coupling causes chain of command forwarding surface synchronization dilatation, and renewal of the equipment cycle short-range missile causes Composite cost increase.Network layer data forwarding is difficult to user, service feature, is only capable of being forwarded according to the QoS of upper layer transfers, leads Cause network resource usage poorly efficient, it is difficult to be finely controlled according to user and traffic performance to data stream.

For the above situation, the chain of command and user plane of the gateway (GW, GateWay) in EPS structures are divided at present From so as to avoid produced problem in existing framework, still, various ranks being present in the Sx interfaces between chain of command and user plane With various types of interacting messages, frequency is high and size of message is huge, it is necessary to which ensure Sx interfaces between chain of command and user plane can By property and low time delay.In addition, in chain of command and user plane separation architecture, because the Network Element Function interface of periphery interaction is mainly concentrated Chain of command is connected to, causes in Sx interfaces while control signaling and user face data be present.Thus, on Sx interfaces it is existing not Same level (functional node rank, UE ranks, session-level, business-level etc.), different type (signaling message, data-message, control Data-message etc. of tubulation reason class) message, very big challenge can be caused to the performance guarantee of Sx interfaces and optimization.

The content of the invention

In order to solve the above technical problems, the embodiment of the present invention it is expected to provide a kind of charging method based on separation architecture, dress Put and system, it is possible to increase the reliability of chain of command and the interface of user plane has simultaneously ensured the performance of interface.

The technical proposal of the invention is realized in this way：

In a first aspect, the embodiments of the invention provide a kind of charging method based on separation architecture, methods described is applied to User plane functions in the separation architecture of chain of command function and user plane functions, in the separation architecture, the user plane work( It can be connected with charge system, and report interface to interact by charging, methods described includes：

The user plane functions obtain charging regulation from the chain of command function；

The user plane functions carry out billing statistics in conversation procedure, and pass through the charging according to the charging regulation Interface is reported to report billing statistics information to the charge system.

In such scheme, methods described also includes：

The user plane functions terminate with after the session of the chain of command function, being reported by the charging described in interface items Charge system sends charging Final Report；

The user plane functions report the charging Final Report of charge system return described in interface by the charging Response.

In such scheme, the charge system includes Online Charging System OCS and off-line accounting system OFCS；

Correspondingly, the user plane functions report interface to be interacted with the OCS by online charging；

The user plane functions report interface to be interacted with the OFCS by offline charging.

In such scheme, the user plane functions obtain charging regulation from the chain of command function, specifically include：

The session updates that the user plane functions are issued by the Sx interfaces acquisition chain of command function are asked；Wherein, institute Stating session updates request includes charging regulation information；

The user plane functions ask to carry out charging regulation renewal according to the session updates, and by Sx interfaces to described Chain of command function returns to renewal response.

In such scheme, the user plane functions carry out billing statistics in conversation procedure, and are advised according to the charging Then report interface to report billing statistics information to the charge system by the charging, specifically include：

During service conversation, the user plane functions carry out charging regulation matching, data stream statistics and ticket generation, And monitor the report condition in charging regulation；

And when the report condition meets, the user plane functions report interface to send charging by the charging Report request；Wherein, charging reports request to include billing statistics information.

Second aspect, the embodiments of the invention provide a kind of charging method based on separation architecture, methods described is applied to Chain of command function in the separation architecture of chain of command function and user plane functions, in the separation architecture, the chain of command work( It can be connected with charge system, and be interacted by charging control interface, methods described includes：

The chain of command function determines charging method, and passes through charging control interface charging corresponding with charging method System, which interacts, establishes session；

The chain of command function issues charging regulation to the user plane functions；Wherein, the charging regulation, for indicating The user plane functions carry out charging regulation matching, data stream statistics and ticket generation in business procedure, and monitor charging rule Report condition in then reports billing statistics information to charge system.

In such scheme, methods described also includes：

The chain of command function terminates to the user plane functions announcement session；

The chain of command function terminates and after the session of the user plane functions, the chain of command function passes through the charging Control interface sends session termination message to the charge system.

Correspondingly, the charging control interface includes online charging control interface and offline charging control interface.

In such scheme, the chain of command function determines charging method, and passes through the charging control interface and charging Charge system corresponding to method, which interacts, establishes session, specifically includes：

The chain of command function determines charging method when being online charging, by the online charging control interface to described OCS sends the request of charging credit application, and receives the credit application returned by OCS by the online charging control interface and ring Should；

Or chain of command function determines charging method when being offline charging, by the offline charging control interface to institute State OFCS and send chargeable session foundation and authentication request, and the meeting returned by OFCS is received by the offline charging control interface Words are established and Authentication Response.

In such scheme, the chain of command function issues charging regulation to the user plane functions, including：

The chain of command function issues session updates to the user plane functions by Sx interfaces and asked；Wherein, the meeting Words renewal request includes charging regulation information；

The chain of command function receives is being asked to carry out charging regulation by the user plane functions according to the session updates The renewal returned after renewal by Sx interfaces responds.

In such scheme, when the charging method is online charging, methods described also includes：

In conversation procedure, the chain of command function receives the master sent by OCS by the online charging control interface Dynamic notification message, and the processing according to corresponding to being carried out proactive notification message, and the online charging control after processing terminates Interface returns to push-notification-answer to OCS.

The third aspect, the embodiments of the invention provide a kind of user plane functions device, described device is connected with charge system, And interface is reported to interact by charging, described device includes：Acquisition module and the first interactive module；Wherein,

The acquisition module, for obtaining charging regulation from the chain of command function；

First interactive module, pass through for carrying out billing statistics in conversation procedure, and according to the charging regulation The charging reports interface to report billing statistics information to the charge system.

In such scheme, first interactive module, it is additionally operable to report charging system described in interface items by the charging System sends charging Final Report；

And the charging Final Report of charge system return described in interface is reported to respond by the charging.

Correspondingly, first interactive module reports interface to be interacted with the OCS by online charging；

First interactive module reports interface to be interacted with the OFCS by offline charging.

In such scheme, the acquisition module, for the session issued by the Sx interfaces acquisition chain of command function Renewal request；Wherein, the session updates request includes charging regulation information；

And asked to carry out charging regulation renewal according to the session updates, and by Sx interfaces to the chain of command work( Renewal response can be returned.

In such scheme, first interactive module, for during service conversation, carrying out charging regulation matching, Data stream statistics and ticket generation, and monitor the report condition in charging regulation；

And when the report condition meets, report interface to send charging by the charging and report request；Wherein, Charging reports request to include billing statistics information.

Fourth aspect, the embodiments of the invention provide a kind of chain of command functional device, described device is connected with charge system, And interacted by charging control interface, described device includes：Second interactive module and issue module；Wherein,

Second interactive module, for determining charging method, and pass through the charging control interface and charging method pair The charge system answered, which interacts, establishes session；

It is described to issue module, for issuing charging regulation to the user plane functions；Wherein, the charging regulation, is used for Indicate that the user plane functions carry out charging regulation matching, data stream statistics and ticket generation in business procedure, and monitor meter Report condition in expense rule reports billing statistics information to charge system.

It is described to issue module in such scheme, it is additionally operable to terminate to the user plane functions announcement session；

Second interactive module, for sending session termination message to the charging system by the charging control interface System.

In such scheme, second interactive module, it is used for

When to determine charging method be online charging, charging is sent to the OCS by the online charging control interface and believed Asked with application, and the credit application returned by OCS is received by the online charging control interface and responded；

Or when to determine charging method be offline charging, sent by the offline charging control interface to the OFCS Chargeable session is established and authentication request, and receives the session establishment and mirror that are returned by OFCS by the offline charging control interface Power response.

It is described to issue module in such scheme, for issuing session updates to the user plane functions by Sx interfaces Request；Wherein, the session updates request includes charging regulation information；

And receive and asked to carry out according to the session updates to lead to after charging regulation renewal by the user plane functions Cross the renewal response of Sx interfaces return.

In such scheme, second interactive module, it is additionally operable to：In conversation procedure, pass through the online charging control The proactive notification message that interface processed is sent by OCS, and the processing according to corresponding to being carried out proactive notification message, and handling The online charging control interface returns to push-notification-answer to OCS after end.

5th aspect, the embodiments of the invention provide a kind of charging method based on separation architecture, methods described is applied to The separation architecture of chain of command function and user plane functions, and the chain of command function and the user plane functions with charging system System connection, the chain of command function are interacted by charging control interface with the charge system, and the user plane functions pass through meter Expense reports interface to be interacted with the charge system, and methods described includes：

The chain of command function determines charging mode, and charge system corresponding with charging mode interacts and establishes meeting Words；

The chain of command function issues charging regulation to the user plane functions；

The user plane functions carry out billing statistics in conversation procedure, and according to the charging regulation to the charging system System reports billing statistics information；

The user plane functions send charging most after the session with the chain of command function is terminated, to the charge system Report eventually；

The user plane functions receive the charging Final Report response that the charge system returns；

The chain of command function sends session termination message to the charge system.

Correspondingly, the charging control interface includes online charging control interface and offline charging control interface；

The charging reports interface to include online charging control interface and offline charging control interface.

6th aspect, the embodiments of the invention provide a kind of charge system based on separation architecture, the system includes dividing From chain of command function and user plane functions, and the chain of command function and the user plane functions connect with charge system Connect, the chain of command function is interacted by charging control interface with the charge system, and the user plane functions pass through in charging Report interface interacts with the charge system,；

The chain of command function, for determining charging method, and charge system corresponding with charging method is interacted and built Vertical session；

And issue charging regulation to the user plane functions；

And terminate to the user plane functions announcement session；

And session termination message is sent to the charge system；

The user plane functions, for carrying out billing statistics in conversation procedure, and according to the charging regulation to described Charge system reports billing statistics information；

And after the session with the chain of command function is terminated, charging Final Report is sent to the charge system；

And receive the charging Final Report response that the charge system returns.

The embodiments of the invention provide a kind of charging method based on separation architecture, device and system, pass through user plane work( It can be attached with charge system, in conversation procedure, billing statistics can be by the larger user plane functions of business datum flow To realize, billing statistics data are reported to be interacted by the interface between user plane functions and charge system, so as to keep away Exempt under existing separation architecture, be connected due to only having chain of command with charge system, Sx interfaces between chain of command and user plane Need to carry out various ranks and various types of interacting messages.Compared with existing separation architecture, improve the reliable of Sx interfaces Property, time delay and performance.

Brief description of the drawings

Fig. 1 is the charge system structural representation under a kind of chain of command provided in an embodiment of the present invention and user plane separation architecture Figure；

Fig. 2 is a kind of billing architecture schematic diagram provided in an embodiment of the present invention；

Fig. 3 is a kind of charging method schematic flow sheet based on separation architecture provided in an embodiment of the present invention；

Fig. 4 is a kind of detailed process schematic diagram of the charging method based on separation architecture provided in an embodiment of the present invention；

Fig. 5 is the detailed process schematic diagram of another charging method based on separation architecture provided in an embodiment of the present invention；

Fig. 6 is a kind of charging method schematic flow sheet applied to user plane functions provided in an embodiment of the present invention；

Fig. 7 is that a kind of flow of chargeable session ending method applied to user plane functions provided in an embodiment of the present invention is shown It is intended to；

Fig. 8 is a kind of charging method schematic flow sheet applied to chain of command function provided in an embodiment of the present invention；

Fig. 9 is that a kind of flow of chargeable session ending method applied to chain of command function provided in an embodiment of the present invention is shown It is intended to；

Figure 10 is a kind of structural representation of user plane functions provided in an embodiment of the present invention；

Figure 11 is a kind of structural representation of chain of command function provided in an embodiment of the present invention；

Figure 12 is a kind of charge system structural representation based on separation architecture provided in an embodiment of the present invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes.

In order to which the technical scheme of the embodiment of the present invention is explicitly described, referring to Fig. 1, to the application scenarios of the embodiment of the present invention Illustrate, the charge system structure under current chain of command and user plane separation architecture, includes the general of evolution as shown in Figure 1 GSM land radio access web (E-UTRAN, Evolved Universal Terrestrial Radio Access Network), mobile management unit (MME, Mobility Management Entity), gateway (S-GW, Serving Gateway), grouped data network gateway (P-GW, Packet Data Network Gateway), home subscriber server (HSS, Home Subscriber Server), 3GPP authentication and authorization charging (AAA, Authentication, Authorization and Accounting) server, "Policy and Charging Rules Function (PCRF, Policy and Charging Rules Function) and other support nodes composition.

In the system architecture shown in Fig. 1, MME is used for mobile management, the processing of Non-Access Stratum signaling and user's movement The chain of command related work such as management of managing context；S-GW is the accessing gateway equipment being connected with E-UTRAN, in E-UTRAN Data are forwarded between P-GW, and for being cached to pending datas such as pagings；P-GW is then EPS and PDN borde gateway, The functions such as data are forwarded for PDN access and between EPS and PDN.PCRF is responsible for strategic decision-making and the formulation of charging regulation, carries For the gate based on business data flow, service quality control and charging regulation to GW, in the plan that loading end execution PCRF is formulated Summary and charging regulation.

For GW, including S-GW and P-GW, after chain of command and user plane are separated, based on as shown in Figure 1 The existing network architecture, the charging that the chain of command (GwC, Gateway Controller) of gateway can be sent according to PCRF advises Then, corresponding service data flow charge operation is performed, billing operation both can be online charging or offline charging.Such as Fruit is online charging, then needs to carry out credit pipe together with Online Charging System (OCS, Online Charging System) Reason；If offline charging, then need to exchange between off-line accounting system (OFCS, Offline Charging System) Related charge information.Interface between GW and PCRF is Gx interfaces, and the interface between OCS is Gy interfaces, between OFCS Interface be Gz interfaces.

In above-mentioned framework, the user plane (SGwU, Serving Gateway User) and packet net of GWC and gateway Between the user plane (PGwU, Packet Data Network Gateway User) of pass by Sx interfaces carry out various ranks and Various types of interacting messages, so as to which the reliability, time delay and performance of Sx interfaces can be influenceed.

The problem of being existed based on the network architecture shown in the gateway architecture and Fig. 1 separated in the network architecture shown in Fig. 1, ginseng See Fig. 2, the embodiment of the present invention proposes a kind of billing architecture, and the billing architecture can replace what is taken in Fig. 1 with dotted portion frame Billing architecture, in the billing architecture shown in Fig. 2, S-GW, P-GW in EPS frameworks shown in Fig. 1 and business are detected into work( Energy (TDF, Traffic Detection Function) has split into chain of command function (CPF, Controller plane ) and user plane functions (UPF, User plane function) two class functions function；Wherein, SGW is correspondingly split as SGW UPF and SGW CPF；PGW is correspondingly split as PGW UPF and PGW CPF；TDF is correspondingly split as TDF UPF and TDF CPF.Cause This, CPF includes SGW CPF, PGW CPF and TDF CPF；UPF includes SGW UPF, PGW UPF and TDF UPF.

It is to be appreciated that different types of CPF or UPF, can unify deployment, can also independently it dispose, the present invention is real Example is applied to be not especially limited this.CPF is responsible for chain of command function, including load sharing, UPF selection, UE IP address distribution, The function such as strategy and charging control；Alternatively, additionally it is possible to the distribution of user plane address and Tunnel Identifier comprising UPF.UPF is responsible for User plane correlation function, including data flow identification and depth Packet analyzing, QoS processing and bearing binding, downlink page data are delayed The function such as deposit.The user plane and chain of command interface of docking correspond in corresponding CPF and UPF respectively, remaining the corresponding interface function Compare former EPS frameworks.

In the billing architecture shown in Fig. 2, connect between OCS and CPF by online charging control interface, such as Gyc/Gync Mouth carries out information exchange；Interface, such as Gyr/Gynr interfaces is reported to carry out information exchange by online charging between OCS and UPF； Information exchange is carried out by offline charging control interface, such as Gzc/Gznc interfaces between OFCS and CPF；Between OFCS and UPF Interface, such as Gzr/Gznr interfaces is reported to interact by offline charging.

Based on the billing architecture shown in Fig. 2, each embodiment of the embodiment of the present invention is proposed.

Embodiment one

Referring to Fig. 3, it illustrates a kind of charging method based on separation architecture provided in an embodiment of the present invention, this method should For the separation architecture of chain of command function and user plane functions, and chain of command function connects with user plane functions with charge system Connect, the chain of command function is interacted by charging control interface with the charge system, and the user plane functions pass through in charging Report interface interacts with the charge system, and this method can include：

S301：Chain of command function determines charging method, and charge system corresponding with charging method interacts and establishes meeting Words；

S302：Chain of command function issues charging regulation to user plane functions；

S303：User plane functions carry out billing statistics in conversation procedure, and according to the charging regulation to charge system Report billing statistics information；

S304：Chain of command function terminates to user plane functions announcement session；

S305：User plane functions send charging Final Report after the session with chain of command function is terminated, to charge system；

S306：User plane functions receive the charging Final Report response that charge system returns；

S307：Chain of command function sends session termination message to charge system.

By such scheme, user plane functions and charge system are attached, so as to which in conversation procedure, billing statistics can To be realized by the larger user plane functions of business datum flow, report billing statistics data can be by user plane functions and meter Interface between charge system interacts.Then avoid under existing separation architecture, due to only having chain of command and charging System is connected, and causes Sx interfaces between chain of command and user plane to need to carry out various ranks and various types of interacting messages.Institute So that above-mentioned technical proposal and billing architecture improve the reliability, time delay and property of Sx interfaces compared with existing separation architecture Energy.

Exemplarily, for step S301, chain of command function determines charging method, and charging system corresponding with charging method System, which interacts, establishes session, including：

Chain of command function determines charging method when being online charging, and the request of charging credit application is sent to OCS, and receive by The credit application response that OCS is returned；

Or chain of command function determines charging method when being offline charging, send chargeable session to OFCS and establish and authentication Request, and receive the session establishment and Authentication Response returned by OFCS.

It should be noted that charging method includes online charging and offline charging, therefore, charging system corresponding to online charging Unite as OCS, charge system corresponding to offline charging is OFCS.

During the specific implementation of above-mentioned example, for online charging method, charging credit application asks to be used for OCS Letter of application quota, it can specifically include the letters related to business and charging such as user's mark, service identification, rate group mark Breath；Alternatively, function in specific business is participated in order to distinguish, chain of command Function Identification and user plane work(can also be included It can identify, such as PGWC marks and PGWU marks, or TDFC marks and TDFU marks；Correspondingly, the credit Shen returned by OCS It can be performed by OCS according to the accounting-related information carried in existing signing information and the request of charging credit application that please respond The response message generated after credit authorization, can include credit quota.

And for off-line accounting method, chargeable session is established and authentication request can also include user's mark, service identification, The information related to business and charging such as rate group mark；Alternatively, chain of command Function Identification and user plane work(can also be included Can mark；And the session establishment and Authentication Response that OFCS is returned are that OFCS please according to existing signing information and charging credit application Ask the accounting-related information of middle carrying to complete the response generated after initial authentication, billing statistics report condition can be included.

If it is to be appreciated that OCS refusal credit applications or OFCS refusal session establishments and authentication request, then control Session establishment is unsuccessful between face function and charge system, and then OCS or OFCS returns to session establishment failure response, including session The reason for establishing failure.

Exemplarily, charging regulation is issued to user plane functions for step S302, chain of command function, can included S3021 and S3022：

S3021：Chain of command function issues session updates to user plane functions by Sx interfaces and asked；

Wherein, session updates request can be including this kind of charging regulation information of accounting-related information and report condition；Tool Body, accounting-related information can include session identification, rule mark, service identification, rating keys, credit threshold etc.；On Tape part can include：Traffic threshold/time threshold/integral point/rate change/renewal (location updating, access style renewal, when Area's renewal/related IP-CAN session modifications) etc. information.

During specific implementation, chain of command function is getting charging policy, and charging regulation information is handed down into user During the function of face, chain of command function can be handled charging regulation information by local mapping, so as to map to obtain charging regulation Stream process rule is issued to user plane functions corresponding to information.

S3022：User plane functions ask to carry out charging regulation renewal according to session updates, and by Sx interfaces to chain of command Function returns to renewal response；

It should be noted that the renewal installation results of charging regulation can be included in renewal response.

Exemplarily, for step S303, user plane functions carry out billing statistics in conversation procedure, and according to the meter Expense rule reports billing statistics information to charge system, can include：

During service conversation, user plane functions carry out charging regulation matching, data stream statistics and ticket generation, and supervise Control the report condition in charging regulation；

And when report condition meets, user plane functions send charging and report request；Wherein, charging is reported in request Including current use dosage (such as duration, flow, event), service identification, the billing statistics information such as user plane functions mark, These information can generate call detail record (CDRs, Calling Detail Records) to realize by user plane functions.

It should be noted that after charge system receives charging and reports request, billing statistics information can be protected Deposit, and alternatively, the charging that user plane functions can also receive charge system return reports response.

It is to be appreciated that being triggered by different report conditions, user plane functions can cyclically perform institute in above-mentioned example The charging report flow of record.

Exemplarily, when charging method is online charging, methods described also includes：

In conversation procedure, chain of command function receives the proactive notification message sent by OCS, and according to proactive notification message Handled corresponding to carrying out, push-notification-answer is returned to OCS after processing terminates.

Specifically, proactive notification message using quota or can re-authenticate or inform user credit including notice reporting Amount deficiency.Above-mentioned example is used for the process for illustrating chargeable session modification.

Exemplified by re-authenticating, chain of command function is receiving the proactive notification for being used to indicate to re-authenticate of OCS transmissions After message, and PCRF confirms to re-authenticate, and will confirm that the response re-authenticated is counter and deliver to OCS.Then, chain of command function can be with New credit application is performed according to process described in step S301.

A kind of charging method based on separation architecture is present embodiments provided, is carried out by user plane functions and charge system Connection, in conversation procedure, billing statistics can be realized by the larger user plane functions of business datum flow, report charging to unite Counting can be interacted by the interface between user plane functions and charge system, so as to avoid in existing separator frame Under structure, be connected due to only having chain of command with charge system, between chain of command and user plane Sx interfaces need to carry out various ranks and Various types of interacting messages.Compared with existing separation architecture, improve the reliability, time delay and performance of Sx interfaces.

Based on embodiment one, the embodiments of the invention provide specific examples below：

Specific embodiment one

Referring to Fig. 4, for the detailed process of specific embodiment one, this specific embodiment is described under PGW online charging methods Conversate the relevant treatment flow of establishment, session modification, and session termination, it is possible to understand that ground, PGW can be divided into PGW UPF and PGW CPF, in the present embodiment, represented respectively with PGWC and PGWU, the detailed process of this specific embodiment can wrap Include：

S401：Terminal UE initiates attachment flow to network, and completes the activation processes such as conversation establishing.

The specific of this step does not repeat compared with technology, the present embodiment.

S402：PGWC judges charging method for online charging, triggers to OCS and initiates charging credit application；

S403：PGWC sends charging credit application and asked to OCS；

Charging credit application ask be used for OCS apply dosage credit quota, can include user's mark, service identification, Business and the accounting-related informations such as rate group mark；Alternatively, PGWC Function Identifications, PGWU Function Identifications can also be included；

S404：The charge information that OCS is carried in being asked according to signing information and charging credit application, performs credit authorization, Concurrently credit application is sent to respond to PGWC；

Specifically, credit quota can be included in the credit application response that OCS is sent；Or OCS can refuse charging letter With application；If refusal charging credit application, chargeable session is established unsuccessful, can carry and awards in the response message that OCS is returned Weigh failure cause；

S405：PGWC sends the renewal request of Sxb interface sessions to PGWU,

Specifically, after PGWC receives OCS credit application response, if creditable quota issues, credit application is responded After being localized processing, issue the charging regulation such as accounting-related information and report condition information and performed to PGWU.Session updates Can includes this kind of charging regulation information of accounting-related information and report condition in request；Specifically, accounting-related information Session identification, rule mark, service identification, rating keys, credit threshold etc. can be included；Report condition can include：Stream Measure thresholding/time threshold/integral point/rate change/renewal (location updating, access style renewal, time zone renewal/related IP-CAN Session modification) etc. information.

S406：PGWU receives the renewal request message, executing rule renewal, and sends renewal response to PGWC；

Specifically, the renewal installation results of charging regulation can be carried in renewal response；

S407：In business procedure, PGWU performs charging regulation matching, data stream statistics and ticket generation, supervision and reporting bar Part；When meeting report condition, the CDRs of generation is reported into OCS.

S408：PGWU is triggered by report condition (such as condition in S405), sends charging and reports request；

Specifically, PGWU performs charging report flow；Send charging and report request to OCS, charging reports can be with request Carry the information such as charging bill, including current use dosage (duration, flow, event etc.), service identification, GWU marks.

S409：OCS stores charging report information, and returns to response message to PGWU.

In business procedure, triggered by different report conditions, be recycled and perform S408 and 309, handle charging report flow. S401-309, perform the establishment of the chargeable session after separation interface and the processing of charge information report flow.

S410：In business procedure, OCS actively sends a notification message to PGWC；

For example, OCS requirements report using dosage or re-authenticate or inform user credit amount deficiency etc.)；

S411：After PGWC receives the notification message, respective handling is carried out, and send push-notification-answer message to OCS；

It should be noted that PGWC needs to perform new credit application according to proactive notification message authentication, or issue PGWU performs charging and reported, then repeatedly S403-309, the application for performing credit line issue, and current charge dosage reports Processing.It is to be appreciated that S410-S411, then perform the processing of chargeable session modification process.

S412：During service ending, PGWC passes through Sxb interface notification PGWU session termination message；

Session termination message is used to inform PGWU termination current business processing, reports the dosage information such as charging bill, discharges Session Resources.

S413：PGWU performs the processing of session termination message, and returns to session termination response message to PGWC.

S414：PGWU sends charging Final Report to OCS, will be currently needed for the information reportings such as the charging bill that reports to OCS, and the chargeable session that terminates.

S415：OCS stores the processing such as the charging report, renewal charging credit line, discharges the chargeable session, and return to meter Take Final Report response message to PGWU.

S416：PGWC sends chargeable session ending message to OCS, and terminate current charge session；

S417：OCS discharges the chargeable session resource, and returns to chargeable session final response message to PGWC；

So far step S417, the online charging processing in whole operation flow is completed.

Specific embodiment two

Referring to Fig. 5, for the detailed process of specific embodiment two, this specific embodiment describes PGW in off-line accounting method Under conversate the relevant treatment flow of establishment, session modification, and session termination, can include：

S501：Terminal UE initiates attachment flow to network, and completes the activation processes such as conversation establishing.

S502：PGWC judges charging method for offline charging, triggers to OFCS and initiates chargeable session foundation and initial authentication Request；

S503：PGWC sends chargeable session foundation and initial authentication request message to OFCS；

Wherein, chargeable session is established and initial authentication message can include user's mark, service identification, rate group mark etc. Business and accounting-related information；Alternatively, PGWC Function Identifications, PGWU Function Identifications can also be included；

S504：The charge information that OFCS carries according to signing information and request message, performs initial authentication, and send session Establish and authentication response message is to PGWC；

Charging report condition can be carried in session establishment and authentication response message；If refusal if chargeable session can not establish Work(, failure cause is carried in the response message of return；

S505：PGWC sends the renewal request of Sxb interface sessions to PGWU；

Specifically, after PGWC receives OFCS session establishment and authentication response message, then credit application is responded and carries out this Groundization processing, then issue the information such as charging regulation and statistical report condition and performed to PGWU, performed if this application is rejected Service ending flow.Can includes this kind of charging regulation letter of accounting-related information and report condition in session updates request Breath；Specifically, accounting-related information can include session identification, rule mark, service identification, rating keys, credit threshold Deng；Report condition can include：(location updating, access style are more for traffic threshold/time threshold/integral point/rate change/renewal Newly, time zone renewal/related IP-CAN session modifications) etc. information.

S506：PGWU receives the renewal request message, executing rule renewal, and sends renewal response to PGWC；

S507：In business procedure, PGWU performs charging regulation matching, data stream statistics and ticket generation, supervision and reporting bar Part；When meeting report condition, the CDRs of generation is reported into OFCS.

S508：PGWU is triggered by report condition, sends charging and reports request to OFCS；

Specifically, PGWU performs charging report flow；Send charging and report request to OFCS, charging reports can be with request Carry the information such as charging bill, including current use dosage (duration, flow, event etc.), service identification, GWU marks.

S509：OFCS stores charging report information, and returns to response message to PGWU.

It should be noted that in business procedure, triggered by different charge condition, be recycled and perform S508 and S509, place Manage charging report flow.

S510：During service ending, PGWC passes through Sxb interface notification PGWU session termination message；

S511：PGWU performs the processing of session termination message, and returns to session termination response message to PGWC.

S512：PGWU sends charging Final Report to OFCS, will be currently needed for the information reportings such as the charging bill that reports to OFCS, and the chargeable session that terminates.

S513：OFCS stores the processing such as the charging report, renewal charging credit line, discharges the chargeable session, and return Charging Final Report response message is to PGWU.

S514：PGWC sends chargeable session ending message to OFCS, and terminate current charge session；

S515：OFCS discharges the chargeable session resource, and returns to chargeable session final response message to PGWC；

So far step S515, the online charging processing in whole operation flow is completed.

For above-mentioned two specific embodiment, it is necessary to illustrate, during for TDF, TDF can also be divided into TDF UPF With TDF CPF, TDFU and TDFC are expressed as.And when TDF is in online charging method and off-line accounting method, specifically enter The relevant treatment flow such as aforementioned embodiment of row conversation establishing, session modification, and session termination, that is, will be foregoing specific PGWC in embodiment is changed to TDFC, and PGWU is changed into TDFU, you can realizes that TDF is in online charging method and offline During charging method, the relevant treatment flow of specifically conversate establishment, session modification, and session termination.The present embodiment to this not Repeat again.

Embodiment two

Based on previous embodiment identical technical concept, referring to Fig. 6, it illustrates a kind of base provided in an embodiment of the present invention In the charging method of separation architecture, this method is applied to the user plane functions in separation architecture, and this method can include：

S601：User plane functions obtain charging regulation from chain of command function；

S602：User plane functions carry out billing statistics in conversation procedure, and pass through the meter according to the charging regulation Expense reports interface to report billing statistics information to charge system.

In such scheme, as shown in fig. 7, methods described also includes：

S603：User plane functions terminate with after the session of chain of command function, interface items charging system is reported by the charging System sends charging Final Report；

S604：User plane functions report the charging Final Report of charge system return described in interface by the charging Response.

Embodiment three

Based on previous embodiment identical technical concept, referring to Fig. 8, it illustrates a kind of base provided in an embodiment of the present invention In the charging method of separation architecture, this method is applied to the chain of command function in separation architecture, and this method can include：

S801：Chain of command function determines charging method, and passes through charging control interface meter corresponding with charging method Charge system, which interacts, establishes session；

S802：Chain of command function issues charging regulation to the user plane functions；

Wherein, the charging regulation, for indicating that the user plane functions carry out charging regulation matching in business procedure, Data stream statistics and ticket generation, and monitor the report condition in charging regulation and report billing statistics information to charge system.

In such scheme, referring to Fig. 9, methods described also includes：

S803：Chain of command function terminates to the user plane functions announcement session；

S804：Chain of command function terminates and after the session of the user plane functions, the chain of command function passes through the meter Take control interface and send session termination message to the charge system.

Example IV

Based on previous embodiment identical technical concept, referring to Figure 10, it illustrates one kind provided in an embodiment of the present invention User plane functions device 100, described device 100 is connected with charge system, and reports interface to interact by charging, described Device 100 includes：The interactive module 1002 of acquisition module 1001 and first；Wherein,

The acquisition module 1001, for obtaining charging regulation from the chain of command function；

First interactive module 1002, for carrying out billing statistics in conversation procedure, and according to the charging regulation Interface is reported to report billing statistics information to the charge system by the charging.

In such scheme, first interactive module 1002, it is additionally operable to report meter described in interface items by the charging Charge system sends charging Final Report；

Correspondingly, first interactive module 1002 reports interface to be interacted with the OCS by online charging；

First interactive module 1002 reports interface to be interacted with the OFCS by offline charging.

In such scheme, the acquisition module 1001, for obtaining what the chain of command function issued by Sx interfaces Session updates are asked；Wherein, the session updates request includes charging regulation information；

In such scheme, first interactive module 1002, for during service conversation, carrying out charging regulation Match somebody with somebody, data stream statistics and ticket generation, and monitor the report condition in charging regulation；

Embodiment five

Based on previous embodiment identical technical concept, referring to 11, it illustrates one kind provided in an embodiment of the present invention Chain of command functional device 110, described device 110 are connected with charge system, and are interacted by charging control interface, the dress Putting 110 includes：Second interactive module 1101 and issue module 1102；Wherein,

Second interactive module 1101, for determining charging method, and pass through the charging control interface and charged party Charge system corresponding to method, which interacts, establishes session；

It is described to issue module 1102, for issuing charging regulation to the user plane functions；Wherein, the charging regulation, For indicating that the user plane functions carry out charging regulation matching, data stream statistics and ticket generation in business procedure, and supervise Report condition in control charging regulation reports billing statistics information to charge system.

It is described to issue module 1102 in such scheme, it is additionally operable to terminate to the user plane functions announcement session；

Second interactive module 1101, by sending session termination message to based on described by the charging control interface Charge system.

In such scheme, second interactive module 1101, it is used for

It is described to issue module 1102 in such scheme, for issuing session to the user plane functions by Sx interfaces Renewal request；Wherein, the session updates request includes charging regulation information；

In such scheme, second interactive module 1101, it is additionally operable to：In conversation procedure, pass through the online meter Take control interface and receive the proactive notification message sent by OCS, and the processing according to corresponding to being carried out proactive notification message, Yi Ji Processing terminates the rear online charging control interface and returns to push-notification-answer to OCS.

Embodiment six

Referring to Figure 12, it illustrates a kind of charge system 120 based on separation architecture provided in an embodiment of the present invention, this is System 120 includes the chain of command function 110 and user plane functions 100 of separation, and the chain of command function 110 and the user plane Function 100 is connected with charge system 130；

The chain of command function 110, for determining charging method, and charge system 130 corresponding with charging method is carried out Session is established in interaction；

And issue charging regulation to the user plane functions 100；

And terminate to the announcement session of user plane functions 100；

And session termination message is sent to the charge system 130；

The user plane functions 100, for carrying out billing statistics in conversation procedure, and according to the charging regulation to institute State charge system 130 and report billing statistics information；

And after the session with the chain of command function 110 is terminated, it is final to send charging to the charge system 130 Report；

And receive the charging Final Report response that the charge system 130 returns.

In such scheme, the charge system 130 includes Online Charging System OCS and off-line accounting system OFCS；

It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program Product.Therefore, the shape of the embodiment in terms of the present invention can use hardware embodiment, software implementation or combination software and hardware Formula.Moreover, the present invention can use the computer for wherein including computer usable program code in one or more to use storage The form for the computer program product that medium is implemented on (including but is not limited to magnetic disk storage and optical memory etc.).

The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product Figure and/or block diagram describe.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided The processors of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.

These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or The function of being specified in multiple square frames.

These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer or The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one The step of function of being specified in individual square frame or multiple square frames.

The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.

Claims

1. a kind of charging method based on separation architecture, it is characterised in that methods described is applied to chain of command function and user plane User plane functions in the separation architecture of function, in the separation architecture, the user plane functions are connected with charge system, and Interface is reported to interact by charging, methods described includes：

The user plane functions carry out billing statistics in conversation procedure, and are reported according to the charging regulation by the charging Interface reports billing statistics information to the charge system.

2. according to the method for claim 1, it is characterised in that methods described also includes：

The user plane functions terminate with after the session of the chain of command function, charging described in interface items is reported by the charging System sends charging Final Report；

The charging Final Report that the user plane functions report charge system described in interface to return by the charging responds.

3. according to the method for claim 1, it is characterised in that the charge system include Online Charging System OCS and from Line charge system OFCS；

4. according to the method for claim 1, it is characterised in that the user plane functions are obtained from the chain of command function and counted Take rule, specifically include：

The session updates that the user plane functions are issued by the Sx interfaces acquisition chain of command function are asked；Wherein, the meeting Words renewal request includes charging regulation information；

The user plane functions ask to carry out charging regulation renewal according to the session updates, and by Sx interfaces to the control Face function returns to renewal response.

5. according to the method for claim 1, it is characterised in that the user plane functions carry out charging system in conversation procedure Meter, and report interface to report billing statistics information to the charge system by the charging according to the charging regulation, specifically Including：

During service conversation, the user plane functions carry out charging regulation matching, data stream statistics and ticket generation, and supervise Control the report condition in charging regulation；

And when the report condition meets, the user plane functions report interface to send charging and reported by the charging Request；Wherein, charging reports request to include billing statistics information.

6. a kind of charging method based on separation architecture, it is characterised in that methods described is applied to chain of command function and user plane Chain of command function in the separation architecture of function, in the separation architecture, the chain of command function is connected with charge system, and Interacted by charging control interface, methods described includes：

The chain of command function determines charging method, and passes through charging control interface charge system corresponding with charging method Interact and establish session；

The chain of command function issues charging regulation to the user plane functions；Wherein, the charging regulation, it is described for indicating User plane functions carry out charging regulation matching, data stream statistics and ticket generation in business procedure, and monitor in charging regulation Report condition report billing statistics information to charge system.

7. according to the method for claim 6, it is characterised in that methods described also includes：

8. according to the method for claim 6, it is characterised in that the charge system include Online Charging System OCS and from Line charge system OFCS；

9. according to the method for claim 8, it is characterised in that the chain of command function determines charging method, and passes through institute State charging control interface charge system corresponding with charging method and interact and establish session, specifically include：

The chain of command function determines charging method when being online charging, by the online charging control interface to the OCS The request of charging credit application is sent, and the credit application returned by OCS is received by the online charging control interface and responded；

Or chain of command function determines charging method when being offline charging, by the offline charging control interface to described OFCS sends chargeable session foundation and authentication request, and receives the session returned by OFCS by the offline charging control interface Foundation and Authentication Response.

10. according to the method for claim 6, it is characterised in that the chain of command function issues to the user plane functions Charging regulation, including：

The chain of command function issues session updates to the user plane functions by Sx interfaces and asked；Wherein, the session is more New request includes charging regulation information；

The chain of command function receives is being asked to carry out charging regulation renewal by the user plane functions according to the session updates The renewal returned afterwards by Sx interfaces responds.

11. according to the method for claim 8, it is characterised in that when the charging method is online charging, methods described Also include：

In conversation procedure, the chain of command function is received by the online charging control interface is led to by the OCS actives sent Know message, and the processing according to corresponding to being carried out proactive notification message, and the online charging control interface after processing terminates Push-notification-answer is returned to OCS.

12. a kind of user plane functions device, it is characterised in that described device is connected with charge system, and is reported by charging Interface interacts, and described device includes：Acquisition module and the first interactive module；Wherein,

First interactive module, for carrying out billing statistics in conversation procedure, and passed through according to the charging regulation described Charging reports interface to report billing statistics information to the charge system.

13. device according to claim 12, it is characterised in that first interactive module, be additionally operable to by the meter Expense reports charge system described in interface items to send charging Final Report；

14. device according to claim 12, it is characterised in that the charge system includes Online Charging System OCS and off-line accounting system OFCS；

15. device according to claim 12, it is characterised in that the acquisition module, for obtaining institute by Sx interfaces State the session updates request that chain of command function issues；Wherein, the session updates request includes charging regulation information；

And asked to carry out charging regulation renewal according to the session updates, and returned by Sx interfaces to the chain of command function Return renewal response.

16. device according to claim 12, it is characterised in that first interactive module, in service conversation mistake Cheng Zhong, charging regulation matching, data stream statistics and ticket generation are carried out, and monitor the report condition in charging regulation；

And when the report condition meets, report interface to send charging by the charging and report request；Wherein, charging Request is reported to include billing statistics information.

17. a kind of chain of command functional device, it is characterised in that described device is connected with charge system, and is connect by charging control Mouth interacts, and described device includes：Second interactive module and issue module；Wherein,

Second interactive module, for determining charging method, and it is corresponding with charging method by the charging control interface Charge system, which interacts, establishes session；

It is described to issue module, for issuing charging regulation to the user plane functions；Wherein, the charging regulation, for indicating The user plane functions carry out charging regulation matching, data stream statistics and ticket generation in business procedure, and monitor charging rule Report condition in then reports billing statistics information to charge system.

18. device according to claim 17, it is characterised in that it is described to issue module, it is additionally operable to the user plane work( Energy announcement session terminates；

Second interactive module, for sending session termination message to the charge system by the charging control interface.

19. device according to claim 17, it is characterised in that the charge system include Online Charging System OCS and Off-line accounting system OFCS；

20. device according to claim 19, it is characterised in that second interactive module, be used for

When to determine charging method be online charging, charging credit Shen is sent to the OCS by the online charging control interface It please ask, and the credit application returned by OCS is received by the online charging control interface and responded；

Or when to determine charging method be offline charging, charging is sent to the OFCS by the offline charging control interface Session establishment and authentication request, and received by the offline charging control interface and rung by the OFCS session establishments returned and authentication Should.

21. device according to claim 17, it is characterised in that it is described to issue module, for by Sx interfaces to described User plane functions issue session updates request；Wherein, the session updates request includes charging regulation information；

And receive and asked to carry out according to the session updates to pass through Sx after charging regulation renewal by the user plane functions The renewal response that interface returns.

22. device according to claim 19, it is characterised in that second interactive module, be additionally operable to：In conversation procedure In, the proactive notification message sent by OCS is received by the online charging control interface, and carry out according to proactive notification message Corresponding processing, and the online charging control interface returns to push-notification-answer to OCS after processing terminates.

23. a kind of charging method based on separation architecture, it is characterised in that methods described is applied to chain of command function and user plane The separation architecture of function, and the chain of command function is connected with the user plane functions with charge system, the chain of command Function is interacted by charging control interface with the charge system, and the user plane functions report interface and the meter by charging Charge system interacts, and methods described includes：

The chain of command function determines charging mode, and charge system corresponding with charging mode interacts and establishes session；

The user plane functions carry out billing statistics in conversation procedure, and according to the charging regulation in the charge system Report billing statistics information；

The user plane functions send charging after the session with the chain of command function is terminated, to the charge system and finally reported Accuse；

24. according to the method for claim 23, it is characterised in that the charge system include Online Charging System OCS and Off-line accounting system OFCS；

25. a kind of charge system based on separation architecture, it is characterised in that the system includes the chain of command function of separation with using Family face function, and the chain of command function is connected with the user plane functions with charge system, and the chain of command function is led to Cross charging control interface to interact with the charge system, the user plane functions report interface and the charge system by charging Interaction,；

The chain of command function, for determining charging method, and charge system corresponding with charging method interacts and establishes meeting Words；

And issue charging regulation to the user plane functions；

And terminate to the user plane functions announcement session；

And session termination message is sent to the charge system；

The user plane functions, for carrying out billing statistics in conversation procedure, and according to the charging regulation to the charging System reports billing statistics information；

And receive the charging Final Report response that the charge system returns.

26. system according to claim 25, it is characterised in that the charge system include Online Charging System OCS and Off-line accounting system OFCS；