CN101184336B - Method of implementing content charging user roaming - Google Patents

Method of implementing content charging user roaming Download PDF

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Publication number
CN101184336B
CN101184336B CN200710195276XA CN200710195276A CN101184336B CN 101184336 B CN101184336 B CN 101184336B CN 200710195276X A CN200710195276X A CN 200710195276XA CN 200710195276 A CN200710195276 A CN 200710195276A CN 101184336 B CN101184336 B CN 101184336B
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China
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pdsn
described
user
content charging
home location
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CN200710195276XA
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Chinese (zh)
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CN101184336A (en
Inventor
牟建明
胡兴
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中兴通讯股份有限公司
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Priority to CN200710195276XA priority Critical patent/CN101184336B/en
Publication of CN101184336A publication Critical patent/CN101184336A/en
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Publication of CN101184336B publication Critical patent/CN101184336B/en

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Abstract

The invention discloses a realization method for content charging of roaming users, which comprises: 1) the content charge of roaming user is implemented at a visiting site, and a visiting site PDSN is accessed, and the visiting site PDSN establishes a L2TP tunnel with an attribution PDSN through the AAA authorization between the visiting site and the content charging of user attribution; 2), the content charging user can be connected with the attribution PDSN through the L2TP tunnel, and implement data transmission through the attribution PDSN; 3) the attribution PDSN can implement off-line or on-line content charging to the user according to the data content of the content charging user and the configuration charging rules. The invention can allow unconfigured content charging gateway at the visiting site of roaming user or configure a content charging gateway but under the condition of inconsistent charging rules of the two sites. The content charging can be implemented on the user by adopting the charging rules of attribution. Thereby the invention can conquer the difficulty on implementing the content charging to the roaming content charging user.

Description

A kind of implementation method of content charging user roaming

Technical field

The present invention relates to field of mobile communication, relate in particular to a kind of implementation method of content charging user roaming.

Background technology

Along with the fast development of mobile communication technology and being on the increase of number of users, various new data service constantly produce and are fast-developing, and the content service on the mobile network is also more and more abundanter.Distinguish charging at user's content service and become pressing for of each operator gradually.

Present content charging is generally by CCG (content charging gateway), according to the charging regulation that is provided with, the user's data content carried out the information filtering of agreement, IP address, port or application layer, and different contents is chargeed respectively.

Yet in case the user roams into the other places, local PDSN (group data service node) might not support content charging gateway function; Even support, the charging policy of two places is also not necessarily the same.Therefore need design accordingly at content charging user's roaming.

Summary of the invention

Technical problem to be solved by this invention provides a kind of implementation method of content charging user roaming, to solve the problem of the content charging user of roaming being carried out the content charging difficulty.

In order to solve the problems of the technologies described above, the invention provides a kind of implementation method of content charging user roaming, be applied to field of mobile communication, comprise the steps:

(1) content charging user roaming is to visit ground, insert visit ground group data service node PDSN, described visit ground PDSN sets up the Level 2 Tunnel Protocol L2TP Tunnel by the authentication between this visit ground authentication, authentication and accounting server AAA and the described content charging user ascription area AAA with described PDSN of home location;

(2) described content charging user connects by described L2TP Tunnel and described PDSN of home location, and carries out transfer of data by described PDSN of home location;

(3) described PDSN of home location carries out off-line or online content charging according to the charging regulation that disposes to this user to described content charging user's data content.

The method of the invention, wherein, in the step (1), described visit ground PDSN sets up L2TP Tunnel by the authentication between this visit ground AAA and the described content charging user ascription area AAA with described PDSN of home location, comprises the steps:

(1.1) described visit ground PDSN sends authentication request to visit ground AAA, and the domain name among the network access Identifier NAI that described visit ground AAA inserts according to the user is judged this user's ownership place, and AAA sends authentication request to ownership place;

(1.2) described ownership place AAA returns authentication responses, carries the IP address and the tunnel attribute of PDSN of home location in authentication responses message;

(1.3) the IP address of the PDSN of home location that returns according to described ownership place AAA of described visit ground PDSN and tunnel attribute and described PDSN of home location are set up L2TP Tunnel.

The method of the invention, wherein, in the step (2), described content charging user is that point-to-point protocol PPP is connected with described PDSN of home location foundation.

The method of the invention, wherein, in the step (3), described PDSN of home location filters according to agreement, IP address, port or application layer content described content charging user's data content, and the charging regulation according to configuration carries out off-line or online content charging to this user then.

The method of the invention, wherein, described PDSN of home location is supported content charging gateway CCG function and L2TP Network Server LNS function.

The method of the invention wherein, after described content charging user initiates release with the PPP session of described PDSN of home location, discharges the L2TP Tunnel of described visit ground PDSN and the foundation of described PDSN of home location.

The present invention can not have the deploy content charging gateway on the visit ground that the user roams into, and has perhaps disposed the content charging gateway, but under the inconsistent situation of two places charging regulation, has adopted the charging regulation of ownership place to come the user is carried out content charging.Thereby overcome the difficulty that the content charging user who roams is carried out content charging.

Description of drawings

Fig. 1 is the implementation method flow chart of embodiment of the invention content charging user roaming;

Fig. 2 is the access handling process schematic diagram of application example content charging user roaming of the present invention;

Fig. 3 is that the user of application example content charging user roaming of the present invention discharges the handling process schematic diagram.

Embodiment

Below in conjunction with the drawings and specific embodiments technical scheme of the present invention is described in detail.

As shown in Figure 1, the implementation method flow process of embodiment of the invention content charging user roaming comprises the steps:

Step 101, the user roams into visit ground, insert visit ground PDSN, visit ground PDSN sends authentication request to visit ground AAA (authentication, authentication and accounting server), domain name among the NAI (network access Identifier) that visit ground AAA inserts according to the user is judged user's ownership place, and AAA sends authentication request to ownership place;

Step 102, ownership place AAA returns authentication responses, the indication user is the content charging user in authentication responses message, and carries the IP address and the tunnel attribute of PDSN of home location (PDSN of home location is supported CCG (content charging gateway) function and LNS (L2TP (Level 2 Tunnel Protocol) webserver) function);

Step 103, according to ownership place IP address and the tunnel attribute that ownership place AAA returns, visit ground PDSN and PDSN of home location are set up L2TP Tunnel;

Step 104, user terminal are set up PPP (point-to-point protocol) by the L2TP Tunnel of setting up between visit ground PDSN and the PDSN of home location with PDSN of home location and are connected, and carry out transfer of data by PDSN of home location;

Step 105, PDSN of home location filters according to agreement, IP address, port or application layer content user data content, and according to the charging regulation of configuration the user is carried out off-line or online content charging.

The present invention is applicable to mobile communcations systems such as CDMA-1X, CDMA2000, with CDMA2000 is example, and basic CDMA2000 mobile communication system comprises a plurality of parts such as terminal, base station sub-system, mobile switching subsystem, exchanges data subsystem, operation and maintenance sub system.The packet data core network of CDMA2000 comprises PDSN, HA (home agent), AAA, is used to provide data service.

When the user roamed into access zone network use data service, user terminal at first was connected to local base station by airlink, inserts local PDSN from PCF (Packet Control Function) by the A10/A11 interface then.Visit ground AAA carries out authentication by ownership place AAA to the user, authorizes and charging.Visit ground PDSN is connected to user ascription area PDSN by L2TP Tunnel, and user ascription area PDSN has the CCG function, can carry out content charging to the user.OCS (online charging server) is used for the credit control and the charge information of online content user's fee are received.Offline charging information sends to ownership place AAA by PDSN of home location.

As shown in Figure 2, the access handling process schematic diagram of application example content charging user roaming of the present invention (is example with the off-line content charging) comprises the steps:

Step 201, user terminal inserts base station, visit ground by setting up airlink;

Step 202 is set up A10 between the PCF of base station, visit ground and the visit ground PDSN and is connected;

Step 203, user terminal is finished LCP (ppp link control protocol) with visit ground PDSN and is consulted;

Step 204, user terminal is initiated authentication request to visit ground PDSN;

Step 205, visit ground PDSN sends authentication request to visit ground AAA, and the domain name among the NAI that visit ground AAA inserts according to the user is judged user's ownership place, and AAA sends authentication request to ownership place;

Step 206, ownership place AAA returns authenticating result, and visit ground PDSN judges that according to authenticating result this user is the content charging user, and obtains the IP address of PDSN of home location;

Step 207, visit ground PDSN and PDSN of home location consult to set up L2TP Tunnel;

Step 208, visit ground PDSN and PDSN of home location consult to set up l2tp session;

Step 209, visit ground PDSN sends LCP Configure-Request to user terminal, initiates the PPP session negotiation between user and the PDSN of home location;

Step 210 is carried out the PPP session negotiation between user and the PDSN of home location, set up PPP and connect;

Step 211, PDSN of home location begins message Accounting Start to the offline charging that ownership place AAA sends content charging;

Step 212, ownership place AAA response Accounting Response message is given PDSN of home location;

Step 213, the user carries out transfer of data by PDSN of home location, and PDSN of home location carries out content charging to the user.

As shown in Figure 3, the user of application example content charging user roaming of the present invention discharges handling process schematic diagram (is example with the off-line content charging), comprises the steps:

Step 301, the user initiates the dispose procedure with the PPP session that belongs to PDSN, discharges PPP and connects;

Step 302, PDSN of home location are wherein carried user's content charging information to the offline charging end message Accounting Stop of ownership place AAA transmission content charging;

Step 303, ownership place AAA response Accounting Response message is given PDSN of home location;

Step 304, PDSN of home location notice visit ground PDSN initiates the release of l2tp session;

Step 305 after the release session is finished, if there is not unnecessary session under the L2TP Tunnel, then discharges L2TP Tunnel, otherwise waits for not having to discharge L2TP Tunnel again after the unnecessary session;

Step 306, the A11 Signalling exchange that visit ground PDSN initiated and visited the PCF of base station, ground, the A10 that discharges the user connects.

Above flow process is example with the offline charging, the user of the content charging user roaming of having described inserts and discharges flow process, the online charging flow process of content charging user roaming is similar with it, only not to send the content charging message to ownership place AAA, but by realizing the user's online charging alternately with online charging server OCS.

By above flow process, the user just can be connected by setting up PPP between the L2TP Tunnel between visit ground PDSN and the PDSN of home location and the PDSN of home location, and carries out transfer of data by PDSN of home location; PDSN of home location can filter the user data message according to the filtering rule of agreement, IP address, port or the application layer content of this locality configuration, and the user is carried out off-line or online content charges according to the charging regulation of this locality configuration.

The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (6)

1. the implementation method of a content charging user roaming is applied to field of mobile communication, it is characterized in that, comprises the steps:
(1) content charging user roaming is to visit ground, insert visit ground group data service node PDSN, described visit ground PDSN sets up the Level 2 Tunnel Protocol L2TP Tunnel by the authentication between this visit ground authentication, authentication and accounting server AAA and the described content charging user ascription area AAA with described PDSN of home location;
(2) described content charging user connects by described L2TP Tunnel and described PDSN of home location, and carries out transfer of data by described PDSN of home location;
(3) described PDSN of home location carries out off-line or online content charging according to the charging regulation that disposes to this user to described content charging user's data content.
2. method according to claim 1 is characterized in that, in the step (1), described visit ground PDSN sets up L2TP Tunnel by the authentication between this visit ground AAA and the described content charging user ascription area AAA with described PDSN of home location, comprises the steps:
(1.1) described visit ground PDSN sends authentication request to visit ground AAA, and the domain name among the network access Identifier NAI that described visit ground AAA inserts according to the user is judged this user's ownership place, and AAA sends authentication request to ownership place;
(1.2) described ownership place AAA returns authentication responses, carries the IP address and the tunnel attribute of PDSN of home location in authentication responses message;
(1.3) the IP address of the PDSN of home location that returns according to described ownership place AAA of described visit ground PDSN and tunnel attribute and described PDSN of home location are set up L2TP Tunnel.
3. method according to claim 1 is characterized in that, in the step (2), what described content charging user and described PDSN of home location were set up is that point-to-point protocol PPP is connected.
4. method according to claim 1, it is characterized in that, in the step (3), described PDSN of home location filters according to agreement, IP address, port or application layer content described content charging user's data content, and the charging regulation according to configuration carries out off-line or online content charging to this user then.
5. method according to claim 1 is characterized in that, described PDSN of home location is supported content charging gateway CCG function and L2TP Network Server LNS function.
6. as method as described in the claim 3, it is characterized in that, after described content charging user initiates release with the PPP session of described PDSN of home location, discharges the L2TP Tunnel of described visit ground PDSN and the foundation of described PDSN of home location.
CN200710195276XA 2007-12-05 2007-12-05 Method of implementing content charging user roaming CN101184336B (en)

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Publication number Priority date Publication date Assignee Title
CN101442418B (en) * 2008-12-16 2011-04-20 中兴通讯股份有限公司 Charging method for second layer tunnel protocol user based on point-to-point protocol mode

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EP1713293A1 (en) * 2005-04-13 2006-10-18 Dai Nippon Printing Co., Ltd. Mobile communication terminal, IC card, mobile communication system, program, and communication charge notification method
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EP1748596A1 (en) * 2004-04-30 2007-01-31 Huawei Technologies Co., Ltd. A method and system for charging in roaming
CN101047989A (en) * 2006-06-01 2007-10-03 华为技术有限公司 Strategy and charging control method at user roaming state

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1553741A (en) * 2003-05-30 2004-12-08 华为技术有限公司 Method and system for providing user network roam
CN1622652A (en) * 2003-11-28 2005-06-01 华为技术有限公司 A method for implementing roam charging of mobile station data service
EP1748596A1 (en) * 2004-04-30 2007-01-31 Huawei Technologies Co., Ltd. A method and system for charging in roaming
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