CN101257394A - Method of on-line real time content charging - Google Patents
Method of on-line real time content charging Download PDFInfo
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- CN101257394A CN101257394A CNA2008101040335A CN200810104033A CN101257394A CN 101257394 A CN101257394 A CN 101257394A CN A2008101040335 A CNA2008101040335 A CN A2008101040335A CN 200810104033 A CN200810104033 A CN 200810104033A CN 101257394 A CN101257394 A CN 101257394A
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Abstract
A method of online real time content charging is realized based on the Diameter credit control protocol. The online charging server in the mobile communication network exchanges the data with GGSN which acquires service requested or applied by the prepaying user terminal and applies quotas of time-period or flux to the server for supporting the service. After receiving the application, the charging server performs the real-time charging and real-time control to the online service access of the user terminal in the credit control range until the terminal finishes service or the capital in the user account runs up. The operation step of the method is that: (1) establishing connection, (2) analyzing message, (3) processing route, (4) charging, (5) recording telephone bill. The operation step of the method is simple, reliable, widely applicable and can match with GGSN supporting Diameter credit control protocol or other network elements.
Description
Technical field
The present invention relates to a kind of method of online in real time content charging, especially relate to a kind of method of the online in real time content being chargeed, belong to the billing technology field of mobile communication based on Diameter Credit Control.
Background technology
In present mobile communication system, the service content that provides is chargeed, all be to adopt the offline charging mode usually, no matter be traditional second generation mobile communication system (being called for short 2G), still two generation half mobile communication system (being called for short 2.5G) are not always the case.The characteristics that off-line content is chargeed are that charge information can not produce influence in real time to the service that provides, usually the method that adopts is to generate service by the network element that service is provided to use ticket, collect these tickets and the processing of chargeing by the accounting server in the system then, and accounting server and provide between the network element of service and do not carry out real-time, interactive.Therefore, off-line content is chargeed and can not be carried out real-time credit control, and this has caused obstacle just for carrying out of a lot of new business.
Third generation mobile partnership projects 3GPP has proposed the notion of online charging server in the 3-G (Generation Three mobile communication system) R6 version of (being called for short 3G), for the R and D accounting server provides direction and thinking.For operator and user, the online charging technology is all very necessary.For operator,,, all need the technological means of real-time control and real time billing still to postpaid service user's credit control no matter be to carry out prepayment service.For example prepayment service if there are not well real-time control technology means, just may cause appreciable operation losses of revenues.For the user, they also wish and can control and understand the expense of using service themselves, so just can avoid producing because of improper use the great number ticket.Therefore, succeed in developing the real-time control technology of the online charging of communication system as early as possible,, become the hot subject that those skilled in the art pay close attention to so that effectively solve long-term puzzlement operator and user's service charging problem.
The key problem in technology of online in real time content charging is that charge information is wanted and can be exerted an influence to the service that provides in real time, and this must carry out real-time, interactive with the network element that service is provided with regard to requiring counting equipment, must carry out real-time credit control to the user.On function, the online charging server must be controlled and handle in real time to service transacting, according to corresponding charging policy service content is carried out the real-time consumption processing of verifying prices, and charging policy and control strategy are realized online related, the account balance to the user carries out real-time management simultaneously.From this view point, the core technology of online charging is exactly control and real time billing in real time.
Diameter family comprises basic agreement and various application protocol.Wherein the Diameter basic agreement provides as the prerequisite functional framework of Diameter network node, comprises the reception of internodal capability negotiation, Diameter message and forwarding etc.Various application protocols then make full use of the message transfer mechanism that basic agreement provides, and the function of standard interdependent node and distinctive message content thereof are used to realize the application based on the mechanism and the flow process of different business.In the process that various application are controlled in real time, need use Diameter basic agreement and credit control protocol simultaneously, also just formed the various realization mechanisms of Diameter credit control.
Diameter client is by asking/reply the thresholding time of the charging message that both sides consult in the reciprocal process each the charging, periodically sending the charge information of having collected to server.The mode that this online in real time is chargeed can be guaranteed real-time inspection and the control to user credit and rate remaining sum.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of method that is used for the online in real time content charging of 3G network,, remedy the defective of the present communication technology so that in mobile radio communication, realize online real time content charging.
In order to achieve the above object, the invention provides a kind of method of online in real time content charging, be based on that Diameter Credit Control realizes; It is characterized in that: online charging server in the mobile radio communication and GPRS gateway GGSN carry out exchanges data, know the business of prepaid user's terminal request or use by GGSN, to the quota of accounting server application duration or flow, to support this business; After accounting server is received this application, in the credit control range the online Operational Visit of this user terminal is carried out real time billing and control in real time, the amount of money in terminal winding-up or user's capital account uses up.
As everyone knows, the accounting server of present 2G and 2.5G network and relevant device adopt offline charging mostly, the system and method for online in real time content charging is also rare, how to realize in the 3G network that particularly online real time content charging method still is in the primary stage of exploitation, research.Therefore, to be used for the method for the online in real time content charging of 3G network should be to fill up a kind of innovative technology of present technological gap in the present invention.The basis of the inventive method is general Diameter Credit Control, has blanket performance, can be used with GGSN or other network element of any support Diameter Credit Control, carries out real-time credit control and produces charging bill.The present invention also can be used as the basis of 3G network online in real time content charging; the online in real time content charging server that this method and applicant develop on this method basis (applied for patent of invention ask for protection) can be carried out friendly more and meticulous service for mobile communication.The present invention has good popularization and application prospect.
Description of drawings
Fig. 1 is the operating process block diagram of online in real time content charging method of the present invention.
Fig. 2 is the message header of Diameter message and the composition Organization Chart of message body.
Fig. 3 is the composition Organization Chart of single attribute key-value pair AVP among Fig. 2.
Fig. 4 is that three kinds of different messages in the online in real time content charging method of the present invention carry out mutual schematic diagram.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
The present invention is a kind of charging method of the online in real time content that realizes based on Diameter Credit Control, this method is to carry out exchanges data by online charging server in the mobile radio communication and GPRS gateway GGSN, know the business of prepaid user's terminal request or use by GGSN, to the quota of accounting server application duration or flow, to support this business; After accounting server is received this application, in the credit control range the online Operational Visit of this user terminal is carried out real time billing and control in real time, the amount of money in terminal winding-up or user's capital account uses up.
The specific implementation process of technical solution of the present invention is: online charging server and GGSN in the mobile radio communication carry out exchanges data, by GGSN the IP packet is carried out analyzing and processing: the contents attribute of distinguishing and discern the up-downgoing data flow of prepaid user's terminal, know the business of this terminal request or use, and according to the configuration information of related service in this GGSN gateway, to the quota of accounting server application setting duration or flow, to support this business; After accounting server is received this application, in this user's capital account, deduct and the corresponding financial charges of this quota in advance, give this user terminal with the allocation of quota of GGSN application again, simultaneously the allocation of quota situation is informed this GGSN, notify the user can use this business and available quota thereof by GGSN; After the user terminal use business, the quota that GGSN uses this business to consume to this terminal of accounting server real-time report, and can normally use this business to guarantee this terminal in suitable time quota application once more; Accounting server distributes corresponding consumption quota then in the credit control range this user terminal, and the online Operational Visit of this terminal is controlled in real time, and the amount of money in terminal winding-up or user's capital account uses up; In case terminal winding-up, GGSN report accounting server to the remaining sum after the consumption of this user's business immediately, by accounting server this remaining sum fund are turned back in this user's capital account, finish the cycle that an online in real time is chargeed.
Referring to Fig. 1, introduce the concrete operations step of the inventive method:
Step 1, connect: the online charging server receives the connection request that GGSN sends, and after both sides carry out capability negotiation, sets up network and connects, and realizes data interaction.This step further comprises following content of operation:
(11) start in the process of Diameter stack at GGSN, GGSN is connected with the socket that the online charging server is set up based on the TCP host-host protocol, and promptly equity connects;
(12) the online charging server receives the Diameter capabilities exchange request message CER (Capabilities-Exchange-Request) of GGSN, by analysis with check after, return Diameter capabilities exchange response message CEA (Capabilities-Exchange-Answer), so that comprise the capability negotiation of application protocol, safe mode and other relevant information of exchange agreement version, each self-supporting;
(13) finish capability negotiation after, the online charging server is done stores processor to the information that relates to application that this GGSN supports, prevents that unacquainted message in an opposite end and attribute key-value pair AVP from sending to the opposite end.
Step 2, parsing message: the online charging server carries out analyzing and processing to the Diameter message that the GGSN that receives sends, earlier this byte stream format messages is carried out conversion process, so that application identities and command id according to this message, message is classified, and extraction Diameter credit control messages wherein, be used for subsequent treatment (the composition framework of the message header of Diameter message part and the framework of message body and single attribute key-value pair AVP thereof is referring to Fig. 2 and Fig. 3).This step further comprises following content of operation:
(21) after the online charging server receives the Diameter message of byte stream form from GGSN, be this message conversion the memory information that meets the Diameter message format earlier;
(22) after the online charging server receives version and message length field in the message header of this Diameter message, read this Diameter message, and message header full content storage that will be wherein is standby according to this message-length information completely;
(23) the online charging server reads the attribute key-value pair AVP information in the message body of this Diameter message, and read whole AVP contents according to identification code (AVP Code) and length (AVP Length) information thereof of each AVP, create mapping table (Diameter Payload Map) again and store all AVP data of each Diameter message: with the identification code of each AVP and vendor code key as mapping table, each AVP data are as the value of mapping table, so that message is carried out subsequent treatment;
(24) the online charging server judges according to application identities Application-ID in the message header and command code Command-Code whether this Diameter message is the credit control messages, if, be that Application-ID is 4, and Command-Code is 272, then carries out subsequent operation; Otherwise, give other respective network elements with forwards, this flow process finishes.
Step 3, handle route: the online charging server check with judge the Diameter credit control messages of being extracted in the purpose territory whether identical with destination host with local Configuration Values, if identical, then order is carried out subsequent operation, promptly handles in this locality; Otherwise, according to the configuration of local routing table, directly this message being passed to corresponding accounting server, flow process finishes.
The concrete operations content of this step is: the online charging server is according to above-mentioned mapping table (DiameterPayload Map), whether purpose territory Destination-Realm in the Diameter credit control messages that judgement is received and the value of destination host Destination-Host be consistent with the value of himself, if their value is identical, then carry out this locality charging and handle, continue to carry out subsequent operation by this online charging server; If their value difference then according to the configuration in the local routing table, is transmitted to corresponding accounting server to this Diameter credit control messages, this flow process finishes.
Step 4, charge: the online charging server carries out differentiating and processing to this Diameter credit control messages according to different situations.In this step, the online charging server carries out the local differentiating and processing content of operation following (referring to Fig. 4) that charges to Diameter credit control messages:
(41) the credit control request information CCR of Initial type if the user reaches the standard grade checks in local data base then whether this user exists, and verifies whether its identity is legal; According to quota and this professional rate of the business of this user applies, calculate its required fund again; If the available funds in its present capital account is not less than this fund, then be handed down to GGSN with the Credit Control Answer message CCA of the Initial type of reaching the standard grade by the quota of user applies, deduct this fund number in advance from its capital account simultaneously; If the available funds in its present capital account is less than this fund, then according to the available funds in this user's capital account and this professional rate, after calculating the available quota of this business, this available quota is handed down to GGSN with the Credit Control Answer message CCA of the Initial type of reaching the standard grade, deducts all funds in advance from its capital account simultaneously;
(42) if customer service is upgraded the credit control request information CCR of Update type, then calculate the fund of having consumed by the already used professional quota of this user and this professional rate, because the control of GGSN, this fund is less than the fund of withholding, accounting server returns both differences this user's capital account, according to the professional quota and the rate thereof of the current new application of user, calculate required fund simultaneously; If the available funds in its present capital account is not less than this fund, then the Credit Control Answer message CCA that upgrades the Update type with business by the quota of this user applies is handed down to GGSN, deducts this fund number in advance from its capital account simultaneously; If the available funds in its present capital account is less than this fund, then according to available funds in this user's capital account and this professional rate, after calculating the available quota of this service, the Credit Control Answer message CCA that this available quota is upgraded the Update type with business is handed down to GGSN, deducts all funds in advance from its capital account simultaneously; This step (42) can repeat the multi-pass operation operation.
(43) if the credit control request information CCR of user offline Termination type, then calculate the fund of having consumed by already used professional quota of this user and rate thereof, because the control of GGSN, this fund number is less than the fund of deducting in advance, accounting server turns back to both difference this user's capital account, Credit Control Answer message CCA with the Termination type that rolls off the production line replys this user simultaneously, confirms to finish this business.
Step 5, recording call list: the online charging server this user is comprised reach the standard grade, whole operating process of the professional use business of upgrading or rolling off the production line carry out record, and store in the database.
The concrete operations content of this step is: accounting server identifies Service-Context-Id to the service context that comprises in the Diameter credit control messages, Event Timestamp Event-Timestamp, terminal user identification Subscription-Id-Data, terminal iidentification type Subscription-Id-Type, service identifiers Service-Identifier, charging group Rating-Group and all being stored in the database with the use quota among the service unit Used-Service-Unit and the use amount of money that calculates thereof.
The applicant utilizes the inventive method successfully to develop Online Charging System OCS server, and has carried out Combined Trials and test with Huawei of home communications manufacturer, Datang etc.Result of the test shows that the inventive method is successful, and the online business operation that can finish well in mobile radio communication user terminal carries out real time billing and control in real time, has realized goal of the invention.Therefore, the present invention has good popularization and application prospect.
Claims (8)
1, a kind of method of online in real time content charging is based on that Diameter Credit Control realizes; It is characterized in that: online charging server in the mobile radio communication and GPRS gateway GGSN carry out exchanges data, know the business of prepaid user's terminal request or use by GGSN, to the quota of accounting server application duration or flow, to support this business; After accounting server is received this application, in the credit control range the online Operational Visit of this user terminal is carried out real time billing and control in real time, the amount of money in terminal winding-up or user's capital account uses up.
2, the method for online in real time content charging according to claim 1 is characterized in that: described method comprises following operating procedure:
(1) connect: the online charging server receives the connection request that GGSN sends, and after both sides carry out capability negotiation, sets up network and connects, and realizes data interaction;
(2) resolve message: the online charging server carries out analyzing and processing to the Diameter message that the GGSN that receives sends, earlier this byte stream format messages is carried out conversion process, so that application identities and command id according to this message, message is classified, and extraction Diameter credit control messages wherein, be used for subsequent treatment;
(3) handle route: the online charging server check with judge the Diameter credit control messages of being extracted in the purpose territory whether identical with destination host with local Configuration Values, if identical, then order is carried out subsequent operation, promptly handles in this locality; Otherwise, according to the configuration of local routing table, directly this message being passed to corresponding accounting server, flow process finishes;
(4) charge: the online charging server carries out differentiating and processing to this Diameter credit control messages according to different situations;
(5) recording call list: the online charging server this user is comprised reach the standard grade, whole operating process of the professional use business of upgrading or rolling off the production line carry out record, and store in the database.
3, the method for online in real time content charging according to claim 2 is characterized in that: described step (1) further comprises following content of operation:
(11) start in the process of Diameter stack at GGSN, GGSN is connected with the socket that the online charging server is set up based on the TCP host-host protocol, and promptly equity connects;
(12) the online charging server receives the Diameter capabilities exchange request message CER of GGSN, by analysis with check after, return Diameter capabilities exchange response message CEA, so that comprise the capability negotiation of application protocol, safe mode and other relevant information of exchange agreement version, each self-supporting;
(13) finish capability negotiation after, the online charging server is done stores processor to the information that relates to application that this GGSN supports, prevents that unacquainted message in an opposite end and attribute key-value pair AVP from sending to the opposite end.
4, the method for online in real time content charging according to claim 2 is characterized in that: described step (2) further comprises following content of operation:
(21) after the online charging server receives the Diameter message of byte stream form from GGSN, be this message conversion the memory information that meets the Diameter message format earlier;
(22) after the online charging server receives version and message length field in the message header of this Diameter message, read this Diameter message, and message header full content storage that will be wherein is standby according to this message-length information completely;
(23) the online charging server reads the attribute key-value pair AVP information in the message body of this Diameter message, and read whole AVP contents according to identification code and the length information thereof of each AVP, create mapping table again and store all AVP data of each Diameter message: with the identification code of each AVP and vendor code key as mapping table, each AVP data are as the value of mapping table, so that message is carried out subsequent treatment;
(24) the online charging server judges according to application identities in the message header and command code whether this Diameter message is the credit control messages, if then carry out subsequent operation; Otherwise, give other respective network elements with forwards, this flow process finishes.
5, the method for online in real time content charging according to claim 2, it is characterized in that: described step (3) further comprises following content of operation: the online charging server is according to described mapping table, whether the purpose territory in the Diameter credit control messages that judgement is received and the value of destination host be consistent with the value of himself, if it is identical, then carry out this locality charging and handle, continue to carry out subsequent operation by this online charging server; If different, then according to the configuration in the local routing table, this Diameter credit control messages is transmitted to corresponding accounting server, this flow process finishes.
6, the method for online in real time content charging according to claim 1 is characterized in that: in the described step (4), the differentiating and processing content of operation that the online charging server carries out local charging to Diameter credit control messages is as follows:
(41) the credit control request information CCR of Initial type if the user reaches the standard grade checks in local data base then whether this user exists, and verifies whether its identity is legal; According to quota and this professional rate of the business of this user applies, calculate its required fund again; If the available funds in its present capital account is not less than this fund, then be handed down to GGSN with the Credit Control Answer message CCA of the Initial type of reaching the standard grade by the quota of user applies, deduct this fund number in advance from its capital account simultaneously; If the available funds in its present capital account is less than this fund, then according to the available funds in this user's capital account and this professional rate, after calculating the available quota of this business, this available quota is handed down to GGSN with the Credit Control Answer message CCA of the Initial type of reaching the standard grade, deducts all funds in advance from its capital account simultaneously;
(42) if customer service is upgraded the credit control request information CCR of Update type, then calculate the fund of having consumed by the already used professional quota of this user and this professional rate, because the control of GGSN, this fund is less than the fund of withholding, accounting server returns both differences this user's capital account, according to the professional quota and the rate thereof of the current new application of user, calculate required fund simultaneously; If the available funds in its present capital account is not less than this fund, then the Credit Control Answer message CCA that upgrades the Update type with business by the quota of this user applies is handed down to GGSN, deducts this fund number in advance from its capital account simultaneously; If the available funds in its present capital account is less than this fund, then according to available funds in this user's capital account and this professional rate, after calculating the available quota of this service, the Credit Control Answer message CCA that this available quota is upgraded the Update type with business is handed down to GGSN, deducts all funds in advance from its capital account simultaneously;
(43) if the credit control request information CCR of user offline Termination type, then calculate the fund of having consumed by already used professional quota of this user and rate thereof, because the control of GGSN, this fund number is less than the fund of deducting in advance, accounting server turns back to both difference this user's capital account, Credit Control Answer message CCA with the Termination type that rolls off the production line replys this user simultaneously, confirms to finish this business.
7, the method for online in real time content charging according to claim 6 is characterized in that: described step (42) can repeat the multi-pass operation operation.
8, the method of online in real time content charging according to claim 1, it is characterized in that: in the described step (5), accounting server is further carried out following operation: the service context that comprises in the Diameter credit control messages is identified Service-Context-Id, Event Timestamp Event-Timestamp, terminal user identification Subscription-Id-Data, terminal iidentification type Subscription-Id-Type, service identifiers Service-Identifier, charging group Rating-Group and all being stored in the database with the use quota among the service unit Used-Service-Unit and the use amount of money that calculates thereof.
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| CN102480363A (en) * | 2010-11-30 | 2012-05-30 | 华为技术有限公司 | Charging method, device and system based on flow or conversation flow |
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| WO2011120217A1 (en) * | 2010-03-30 | 2011-10-06 | Alcatel Lucent | Local roaming charging in lte/epc networks |
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