CN101447878B - Charging method for prepayment service and system thereof - Google Patents
Charging method for prepayment service and system thereof Download PDFInfo
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Abstract
The invention provides a charging method for prepayment service and a system thereof. The method relates to a Services Server (SS), an Authentication/Authorization/Accounting Server (AAAS), an On-line Charging Server (OCS) and a Business Operation Support System (BOSS), and comprises the steps as follows: SS sends an authentication request to AAAS according to a service use request sent by a user terminal; AAAS exchanges information with OCS by a uniform protocol to trigger OCS to authenticate the terminal and send a fee deduction request to OCS according to a charging request sent by SS after the success of authentication; information exchange is uniformly carried out by OCS and BOSS; and then the fee deduction operation of the prepayment service is finished. The invention also provides a system utilizing the method. The invention improves the commonality and flexibility of the system and saves system equipment resource.
Description
Technical Field
The invention relates to a prepayment technology in the communication field, in particular to a method and a system for charging the service of a prepayment user.
Background
With the development of communication technology, the traditional communication mode and service have been developed greatly, and the prepaid service becomes a more common communication service. At present, the charging specification of the third generation mobile communication (3G) system is mature and perfect, and the 3G communication system draws the authentication, authorization and charging system of the existing internet for reference, establishes a complete charging specification, and can meet the charging requirements in various mobile and roaming scenarios.
Due to the abundance of high-speed data services, the market is subdivided, different charging strategies are realized according to different service categories, and differential services are provided, which are more and more important to be considered by telecommunication operators, but the existing charging system cannot well meet the requirement.
In the existing prepaid Service, the Service is mainly performed through message interaction between an Authentication Authorization Charging Server (AAAS, Authentication, Authorization, and Accounting Server) and an Online Charging Server (OCS, Online Charging Server), the used protocols include a Remote dialing Authentication User Service Protocol (Radius, Remote Authentication digital In User Service), an Integrated Service Management Access Protocol (ISMAP) of chinese telecommunications, and the like, and networking modes corresponding to different protocols are different, so that the following problems are caused:
(1) different services cannot share the same OCS because of different protocols used.
For example, the streaming media service uses the ISMAP protocol, and the voice service uses the Radius protocol, so that different OCS are respectively established for the two services.
(2) Because of the different protocols used, the networking mode is also different.
For example, a prepaid system using the Radius protocol generally authenticates via a service server ss (serviceserver) and AAAS networking; prepaid systems that use the ISMAP protocol typically authenticate through SS, AAAS, and OCS networking.
Thus, each time a new prepaid service is added, a new network needs to be re-established, which results in non-uniform and complex system structure and waste of device resources.
Therefore, it is necessary to improve the existing charging method and system for prepaid service to solve the problem that one OCS cannot be uniformly shared and networking cannot be uniformly performed due to different protocols used between network elements.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a charging method and a charging system for prepaid service, which can unify networking and share one OCS to charge the service of a prepaid user.
In order to solve the technical problem, the invention provides a charging method of prepaid service, which relates to a service server SS, an authentication authorization charging server AAAS, an online charging server OCS and a service operation support system BOSS; the method comprises the following steps: the SS sends an authentication request to the AAAS according to a service use request sent by a user terminal, the AAAS and the OCS carry out information interaction through a unified protocol, the OCS is triggered to carry out authentication processing on the terminal, a fee deduction request is sent to the OCS according to a charging request sent by the SS after the authentication is successful, the OCS and the BOSS carry out information interaction uniformly, and the fee deduction operation on the prepaid service is completed.
Further, the OCS returns a charging success response to the SS through the AAAS after the fee deduction is successful, and the SS sends service data to the user terminal after receiving the charging success response.
Further, information interaction is performed between the AAAS and the OCS through a unified hypertext transfer protocol HTTP.
Further, information interaction is performed between the AAAS and the OCS, and the OCS is triggered to perform authentication processing on the terminal, which specifically includes:
after receiving the authentication request, the AAAS sends an authentication message to the OCS, wherein the authentication message at least carries the number of the terminal and the information of the deduction amount;
the OCS authenticates the terminal according to the information in the authentication message, and initiates a deduction amount pre-request to the BOSS after the authentication is successful;
after receiving the pre-deducting amount request, the BOSS inquires that the account state of the user is normal and the balance is sufficient, sends a pre-deducting amount success response and freezes the pre-deducting amount;
and after receiving the pre-deducted amount successful response, the OCS allocates an authentication charging identifier for the user, and the identifier is contained in the authentication successful response and returned to the SS through the AAAS.
Further, the OCS performs information interaction with the BOSS to complete the fee deduction operation for the prepaid service, which specifically includes:
after receiving the fee deduction request of the AAAS, the OCS sends a fee deduction request to the BOSS according to the authentication and authentication charging identifier carried in the request;
after receiving the fee deduction request, the BOSS deducts the frozen pre-deducted amount from the balance of the user and returns a fee deduction response to the OCS;
and after receiving the fee deduction response, the OCS sends a charging success response to the SS through the AAAS.
Further, the air conditioner is provided with a fan,
the BOSS receives the pre-deduction amount request, and if the account state of the user is abnormal or the balance is insufficient, a pre-deduction amount failure response is sent;
after receiving the withholding amount failure response, the OCS returns an authentication failure response to the SS through the AAAS;
and the SS terminates the use of the service by the user after receiving the authentication failure response.
Further, the OCS performs authentication processing on the terminal, and directly returns an authentication failure response to the SS through the AAAS after the authentication fails; and the SS terminates the use of the service by the user after receiving the authentication failure response.
In order to solve the above technical problem, the present invention provides a charging system for prepaid service, which comprises a user terminal and a service usage system, wherein the service usage system comprises a service server SS, an authentication and authorization charging server AAAS, an online charging server OCS and a service operation support system BOSS, which are connected in sequence, wherein:
the SS is used for sending an authentication request to the AAAS according to the service use request sent by the user terminal; after the authentication is successful, sending a charging start request to the AAAS;
the AAAS is used for performing information interaction with the OCS by adopting a unified protocol, triggering the OCS to perform authentication processing on the terminal, and sending a fee deduction request to the OCS according to the charging request of the SS after the authentication is successful;
the OCS is used for completing authentication processing of the user, performing information interaction with the BOSS after the authentication is successful, triggering the BOSS to perform pre-deduction amount successfully, and returning an authentication success response carrying the distributed authentication charging identifier to the SS through the AAAS; the received fee deduction request is forwarded to the BOSS, and after the BOSS is triggered to carry out fee deduction successfully, a charging success response is sent to the SS through the AAAS;
the BOSS is used for managing the account number and the balance of the prepaid service of the user, and according to the pre-deduction request of the OCS, if the account number state of the user is inquired to be normal and the balance is sufficient, the BOSS returns a successful response of pre-deduction amount and simultaneously freezes the amount part to be pre-deducted; and according to the fee deduction request of the OCS, deducting the frozen amount from the balance of the user, and returning a fee deduction response.
And further, the SS is also used for sending the service data to the user terminal after receiving the charging success response.
Further, the air conditioner is provided with a fan,
the OCS is also used for returning an authentication failure response to the SS through the AAAS after the authentication fails;
or,
the BOSS is also used for returning a pre-deduction failure response when the account state of the user is abnormal or the balance is insufficient;
the OCS is also used for returning an authentication failure response to the SS through the AAAS after receiving the pre-deduction failure response of the BOSS;
and the SS is also used for terminating the service use of the user after receiving the charging failure response.
The invention adopts HTTP protocol between AAAS and OCS uniformly, and carries out authentication and fee deduction operation to the service of the prepaid user, and necessary parameters are included in the request and response link, thus improving the universality of OCS system; for the newly added service system, the unified prepayment charging operation can be realized only by registering in the OCS system, and meanwhile, the safety of the system is ensured through encryption measures. In addition, the invention can conveniently realize the fee deduction operation according to the charging mode of complicated service logics such as time length, flow and the like, thereby improving the flexibility of the system. Since HTTP is based on TCP/IP protocol, it is strong in universality and suitable for different service systems to carry out message interaction, thus unifying the protocol, defining the functions of each network element in the network, and flexibly adding new service without changing the structure of the existing network, thus saving equipment resources.
Drawings
FIG. 1 is a schematic diagram illustrating a charging system for prepaid service according to the present invention;
fig. 2 is a schematic view illustrating an operation flow of an embodiment of a charging method for prepaid service according to the present invention.
Detailed Description
The invention provides a charging method and a System for prepaid service, which has the key points that an SS sends an authentication request to an AAAS according to a service use request sent by a user terminal, the AAAS and the OCS carry out information interaction uniformly through a protocol (preferably HTTP protocol), the OCS is triggered to carry out authentication processing on a user, the charging request sent by the SS is forwarded to the OCS after the authentication is successful, then the OCS carries out information interaction with a service Operation Support System (BOSS) uniformly, and the charging Operation for prepaid service is completed; and the SS sends the service data to the user terminal after the charging is successful.
The above-described technical solutions of the present invention are explained and explained in detail below with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1, which is a block diagram of a charging system for prepaid service disclosed in the present invention, the system 100 includes a user terminal 101 and a service using system 110, the service using system 110 includes an SS 102, an AAAS 103, an OCS 104, and a BOSS105, which are connected in sequence, wherein:
an SS 102, configured to forward and control messages between the user terminal 101 and the AAAS 103 through any protocol (including a Radius protocol, an ISMAP protocol, and the like); that is, according to the service use request sent by the user terminal 101, an authentication request is sent to the AAAS; sending a charging start request to the AAAS according to an authentication success response returned by the AAAS; after receiving the charging success response returned by the AAAS, the corresponding service data is issued to the user terminal 101;
the AAAS 103 is used as a core server for authentication, authorization and charging, and performs information interaction with the OCS 104 by adopting a uniform protocol; sending an authentication message carrying a user number and a deduction amount to an OCS 104 according to an authentication request sent by an SS 102, sending the deduction request to the OCS 104 according to a charging start request sent by the SS 102 after the authentication is successful, and sending a Call Detail Record (CDR) bill filled with deduction information to the SS 102 in a charging success response according to a Transaction ID carried in the response after receiving a charging success response of the OCS 104;
the unified Protocol adopted between the AAAS 103 and the OCS 104 is preferably hypertext Transfer Protocol (HTTP).
The authentication message contains information such as the Mobile Subscriber ISDN number (MSISDN), the amount of the debit account, etc., and an exemplary format is as follows:
http:// server, port/OCS/authentication, jspsmssdn [ < msisdn > ], [ < amount > ], [ < client password > ], wherein server and port are the IP address and service port corresponding to OCS, client is the ID number registered by SS in OCS, client password is the service password allocated by SS, and MD5 encryption is needed.
The deduction request message contains information such as Transaction ID, and the format of the example is as follows:
http://serverip:port/ocs/accounting.jsptransactionid＝<transactionid>&clientid＝<clientid>&clientpassword＝<clientpassword>。
for AAAS that does not use HTTP protocol, a message conversion interface can be used to convert the message into HTTP format for communication with OCS.
Of course, the above-mentioned AAAS 103 and OCS 104 may also uniformly select the ISMAP protocol or Radius protocol, and only from the viewpoint of generality, the HTTP protocol is the best choice.
The OCS 104 is used for completing authentication processing on the user after receiving the authentication message of the AAAS 103, sending a deduction amount request to the BOSS105, distributing a Transaction ID after receiving a deduction amount response of the BOSS105, and sending the Transaction ID to the AAAS 103 as a unique identifier of the authentication, authentication and charging operation of this time contained in the authentication success response; forwarding the fee deduction request received from the AAAS 103 to the BOSS105, and returning a fee deduction success response to the AAAS 103 after receiving the fee deduction response of the BOSS 105; registering the newly added service, and distributing corresponding clientid and clientpasward for the charging operation of the service;
the authentication response returned by the OCS may contain the following returned values:
successfully authenticating and returning a shaped Transaction ID in the form of a character string;
if the authentication fails, the following information is returned in the form of character strings:
"Invalid MSISDN," which represents MSISDN Invalid;
"Invalid clientid", which means clientid is Invalid;
"Invalid clientpasward", which means clientpasward is Invalid;
"Black Listed," representing that the user is a blacklisted user;
"Server Busy", which represents a Server is out of order.
The OCS returns a deduction response message to the AAAS according to the Transaction ID and the feedback result of the BOSS, and the following return values can be contained in a character string form:
"success" represents a fee deduction success;
"Invalid TransactionID," which represents TransactionID is Invalid;
"Invalid clientid", which means clientid is Invalid;
"Invalid clientpasssweet" represents that clientpasssweet is Invalid.
The BOSS105 is used for realizing management of a prepaid account number and balance of a user; according to the deduction request received from the OCS 104, inquiring the information of the user account state, the sufficient amount and the like, and if the state is abnormal or the balance is insufficient, returning a deduction failure response; if the state is normal and the balance is sufficient, returning a deduction success response, and simultaneously freezing the amount part to be deducted; the frozen amount is deducted from the user balance based on the charging request received from OCS 104 and a charging response is returned to OCS 104.
As shown in fig. 2, a flow chart of a charging method for prepaid service according to the present invention is provided, which includes:
step 201, a terminal user logs in an SS and sends out a service use request;
step 202, the SS sends an authentication request to the AAAS through information such as user number, service type and the like according to a service use request sent by a terminal user;
step 203, the AAAS sends an authentication message to the OCS according to the received authentication request, wherein the message carries information such as the user number, the deduction amount and the like;
the authentication message contains information such as the Mobile Subscriber ISDN number (MSISDN), the amount of the debit account, etc., and an exemplary format is as follows:
http:// server, port/OCS/authentication, jspsmssdn [ < msisdn > ], [ < amount > ], [ < client password > ], wherein server and port are the IP address and service port corresponding to OCS, client is the ID number registered by SS in OCS, client password is the service password allocated by SS, and MD5 encryption is needed.
Step 204, the OCS acquires information such as user number, deduction amount and the like according to the received authentication message, authenticates the user, and initiates a pre-deduction amount request to the BOSS after the authentication is successful;
step 205, the BOSS receives the pre-deduction amount request, inquires information such as the user account status and whether the balance is sufficient, and returns a pre-deduction amount failure response if the status is abnormal or the balance is insufficient; if the state is normal and the balance is sufficient, sending a successful response of the withholding amount and simultaneously freezing the withholding amount;
step 206, after receiving the pre-deduct amount response, if the response is a pre-deduct amount successful response, the OCS returns an authentication successful response to the AAAS, where the response carries an assigned Transaction ID as a unique identifier of the authentication charging operation; otherwise, returning authentication failure response to the AAAS;
the authentication response returned by the OCS may contain the following returned values:
successfully authenticating and returning a shaped Transaction ID in the form of a character string;
if the authentication fails, the following information is returned in the form of character strings:
"Invalid MSISDN," which represents MSISDN Invalid;
"Invalid clientid", which means clientid is Invalid;
"Invalid clientpasward", which means clientpasward is Invalid;
"Black Listed," representing that the user is a blacklisted user;
"Server Busy", which represents a Server is out of order.
Step 207, the AAAS receives the authentication response and forwards the authentication response to the SS;
step 208, after receiving the authentication success response, the SS sends a charging start request to the AAAS, wherein the request carries a Transaction ID;
step 209, after receiving the charging start request, the AAAS sends a charging deduction request to the OCS according to the Transaction ID;
the deduction request message contains information such as Transaction ID, and the format of the example is as follows:
http://serverip:port/ocs/accounting.jsptransactionid＝<transactionid>&clientid＝<clientid>&clientpassword＝<clientpassword>。
step 210, after the BOSS receives the fee deduction request through the OCS, the frozen pre-deduction amount is deducted from the user balance;
step 211, after receiving the BOSS deduction response, the OCS forwards the BOSS deduction response to the AAAS;
the OCS returns a deduction response message to the AAAS according to the Transaction ID and the feedback result of the BOSS, and the following return values can be contained in a character string form:
"success" represents a fee deduction success;
"Invalid TransactionID," which represents TransactionID is Invalid;
"Invalid clientid", which means clientid is Invalid;
"Invalid clientpasssweet" represents that clientpasssweet is Invalid.
Step 212, after receiving the OCS charging success response, the AAAS includes the CDR ticket filled with the charging information in the charging success response and sends the charging success response to the SS;
step 213, the SS receives the AAAS charging success response, and starts to process the service data;
and the SS determines the service use of the user terminal according to the charging response message, allows the user terminal to use the service if the charging response message returns a success value, and terminates the service use of the user if a failure value is returned.
Step 214, the SS sends the service data to the user terminal, and the user terminal starts service experience.
In particular, the above steps 202 to 214 of the present invention can be repeated to meet the requirements of the charging method according to the flow rate, the time length, etc. In this case, the SS controls the traffic switching, and when the traffic or the duration reaches a specified threshold, the SS sends a traffic switching request, and repeats steps 202 to 214 to complete a new round of authentication, and charging operations.
In addition, the invention is also suitable for the fee deduction process of monthly renting of the prepaid user.
The prepayment system based on HTTP protocol between AAAS and OCS has the following advantages:
and the expandability is strong. The OCS is independent, the HTTP protocol is adopted, and the newly added service only needs to register an interface in the OCS to realize prepaid charging. Meanwhile, the BOSS only needs to perform message interaction with the OCS, and a service layer is shielded, so that the safety and the stability of the BOSS are also guaranteed.
The performance is guaranteed. The OCS adopts HTTP protocol to realize interaction with AAAS, can conveniently deploy cluster servers, realize load balance, and thus the performance of the servers can be better guaranteed when large traffic requests.
Therefore, the invention adopts the OCS service mode based on the HTTP protocol to improve the expandability of the prepayment system and the performance of the service.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that all such changes and modifications as fall within the true spirit and scope of the appended claims be interpreted as broadly as the invention.
Claims (8)
1. A charging method of prepaid service relates to a service server SS, an authentication authorization charging server AAAS, an online charging server OCS and a service operation support system BOSS; the method comprises the following steps: the SS sends an authentication request to the AAAS according to a service use request sent by a user terminal, the AAAS and the OCS carry out information interaction through a unified hypertext transfer protocol (HTTP), the OCS is triggered to carry out authentication processing on the terminal, a fee deduction request is sent to the OCS according to a charging request sent by the SS after the authentication is successful, the OCS and the BOSS carry out information interaction uniformly, and the fee deduction operation of the prepaid service is completed; the information interaction between the AAAS and the OCS triggers the OCS to perform authentication processing on the terminal, and specifically includes:
after receiving the authentication request, the AAAS sends an authentication message to the OCS, wherein the message at least carries the number of the terminal and the information of the deduction amount;
the OCS authenticates the terminal according to the information in the authentication message, and initiates a deduction amount pre-request to the BOSS after the authentication is successful;
after receiving the pre-deducting amount request, the BOSS inquires that the account state of the user is normal and the balance is sufficient, sends a pre-deducting amount success response and freezes the pre-deducting amount;
and after receiving the pre-deducted amount successful response, the OCS allocates an authentication charging identifier for the user, and the identifier is contained in the authentication successful response and returned to the SS through the AAAS.
2. The method of claim 1, wherein the OCS returns a charging success response to the SS through the AAAS after the charging is successful, and the SS transmits service data to the user terminal after receiving the charging success response.
3. The method of claim 1, wherein the OCS performs information interaction with the BOSS to complete a charging operation for the prepaid service, and specifically comprises:
after receiving the fee deduction request of the AAAS, the OCS sends a fee deduction request to the BOSS according to an authentication, authentication and charging identifier carried in the request;
after receiving the fee deduction request, the BOSS deducts the frozen pre-deduction amount from the balance of the user and returns a fee deduction response to the OCS;
and after receiving the fee deduction response, the OCS sends a charging success response to the SS through the AAAS.
4. The method of claim 1,
the BOSS receives the pre-deduction amount request, and sends a pre-deduction amount failure response if the account state of the user is abnormal or the balance is insufficient;
after receiving the withholding amount failure response, the OCS returns an authentication failure response to the SS through the AAAS;
and the SS terminates the service use of the user after receiving the authentication failure response.
5. The method of claim 1, wherein the OCS performs authentication processing on the terminal, and directly returns an authentication failure response to the SS through the AAAS after the authentication failure; and the SS terminates the use of the service by the user after receiving the authentication failure response.
6. The charging system of the prepaid service is characterized in that the system comprises a user terminal and a service using system, the service using system comprises a service server SS, an authentication authorization charging server AAAS, an online charging server OCS and a service operation support system BOSS which are connected in sequence, wherein:
the SS is used for sending an authentication request to the AAAS according to the service use request sent by the user terminal; after the authentication is successful, sending a charging start request to the AAAS;
the AAAS is used for performing information interaction with the OCS by adopting a unified protocol, triggering the OCS to perform authentication processing on the terminal, and sending a fee deduction request to the OCS according to the charging request of the SS after the authentication is successful;
the OCS is used for completing authentication processing of a user, performing information interaction with the BOSS after the authentication is successful, triggering the BOSS to perform pre-deduction amount successfully, and returning an authentication success response carrying the distributed authentication charging identification to the SS through the AAAS; forwarding the received fee deduction request to the BOSS, triggering the BOSS to carry out fee deduction successfully, and then sending a charging success response to the SS through the AAAS;
the BOSS is used for managing the account number and the balance of the prepaid service of the user, and according to the pre-deduction request of the OCS, if the account number state of the user is inquired to be normal and the balance is sufficient, a pre-deduction amount successful response is returned, and meanwhile, the amount part to be pre-deducted is frozen; and according to the fee deduction request of the OCS, deducting the frozen amount from the balance of the user, and returning a fee deduction response.
7. The system of claim 6,
and the SS is also used for sending service data to the user terminal after receiving the charging success response.
8. The system according to claim 6 or 7,
the OCS is also used for returning an authentication failure response to the SS through the AAAS after authentication failure;
or,
the BOSS is also used for returning a withholding failure response when the account state of the user is not normal or the balance is insufficient;
the OCS is also used for returning an authentication failure response to the SS through the AAAS after receiving the pre-deduction failure response of the BOSS;
and the SS is also used for terminating the service use of the user after receiving the authentication failure response.
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| CN105721173A (en) * | 2016-04-05 | 2016-06-29 | 北京金捷报文化传媒有限公司 | Game data transmission method, device and system |
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| CN1901458A (en) * | 2006-07-18 | 2007-01-24 | 江苏移动通信有限责任公司 | Method for controlling defaulting risk of mobile user |
| CN101106464A (en) * | 2006-07-14 | 2008-01-16 | 中兴通讯股份有限公司 | A method for prepaying code division multi-address packet data service |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101106464A (en) * | 2006-07-14 | 2008-01-16 | 中兴通讯股份有限公司 | A method for prepaying code division multi-address packet data service |
| CN1901458A (en) * | 2006-07-18 | 2007-01-24 | 江苏移动通信有限责任公司 | Method for controlling defaulting risk of mobile user |
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