CN102123370A - System and method for redirecting access of user - Google Patents
System and method for redirecting access of user Download PDFInfo
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- CN102123370A CN102123370A CN2010100022479A CN201010002247A CN102123370A CN 102123370 A CN102123370 A CN 102123370A CN 2010100022479 A CN2010100022479 A CN 2010100022479A CN 201010002247 A CN201010002247 A CN 201010002247A CN 102123370 A CN102123370 A CN 102123370A
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Abstract
The invention provides a system and a method for redirecting the access of a user. The method comprises the following steps that: a policy and charging rules function (PCRF) instructs a policy and charging enforcement function (PCEF) to redirect part or all of services which are accessed by the user when determining that the part or all of the services which are accessed by the user are required to be redirected, and indicates a redirecting type; and the PCEF performs the indicated type of redirecting on the part or all of the services which are accessed by the user according to the instruction. By using the scheme, the PCRF instructs the PCEF to enforce one-time redirecting or permanent redirecting by indicating the redirecting type in the process of transmitting the redirecting instruction to the PCEF, and the defect that the redirecting type is not clear in the prior art is effectively overcome.
Description
Technical field
The present invention relates to policy and charging control (Policy and Charging Control is called for short PCC) framework, relate in particular to a kind of system and method that user's visit is redirected in this framework.
Background technology
In third generation partner program stage 7 (3GPP Release7) standards system, strategy and billing function are realized by strategy and charging control framework.
The PCC framework is a functional framework that can be applied to multiple access technology, for example, it can be applied to universal mobile telecommunications system (Universal Mobile Telecommunications System, abbreviate UMTS as) terrestrial radio Access Network (UMTS Terrestrial Radio Access Network, abbreviate UTRAN as), global system for mobile communications (Global system for Mobile Communication, abbreviate GSM as)/GSM data enhancing evolution (EDGE) wireless access network, the grouping system of intercommunicated wireless local area network (I-WLAN) and evolution (Evolved Packet System is called for short EPS) etc.
PCC has mainly realized two big function, i.e. policy control functions and billing functions.Fig. 1 is the general frame figure of PCC, below each logical functional entity and interface function thereof in the PCC framework shown in Figure 1 is described.
Application Function (Application Function abbreviates AF as) provides the access point of service application, and the employed Internet resources of these service application need carry out dynamic policy control.When service surface was carried out parameter negotiation, AF passed to policy control and charging regulation function entity (Policy and Charging Rules Function abbreviates PCRF as) with related service information.If these business information are tactful consistent with PCRF's, then PCRF accepts this negotiation; Otherwise PCRF refuses this negotiation, and provides the acceptable service parameter of PCRF in feedback simultaneously.Subsequently, AF can return to these parameters subscriber equipment (User Equipment abbreviates UE as).Wherein, the interface between AF and the PCRF is a Rx interface.
Policy control and charging regulation function entity (PCRF) are the cores of PCC, are responsible for the formulation of strategic decision-making and charging regulation.PCRF provides the network control rule based on business data flow, these network controls comprise detection, gate (Gating Control), service quality (Qualityof Service the abbreviates QoS as) control of business data flow and based on the charging regulation of data flow etc.PCRF sends to strategy with the strategy of its formulation and charging regulation, and (Policy and ChargingEnforcement Function PCEF) carries out, and simultaneously, PCRF needs also to guarantee that these rules are consistent with user's CAMEL-Subscription-Information with charging execution function entity.PCRF generates strategy and comprises with the foundation of charging regulation: obtain and professional relevant information from AF; Obtain and user policy, billing control and subscription information from user-subscribed database (Subscription Profile Repository abbreviates SPR as); Obtain and carry the information of network of relation from PCEF.
PCEF (Policy and Charging Enforcement Function, strategy and charging execution function entity) is usually located in the gateway (Gate-Way abbreviates GW as), carries out strategy and the charging regulation that PCRF formulated at loading end.PCEF detects business data flow according to the business datum flow filter in the rule that PCRF sent, and then these business data flows are carried out strategy and the charging regulation that PCRF formulated.When carrying was set up, the rule that PCEF sends according to PCRF was carried out the QoS mandate, and carried out gate control according to the execution of AF.According to the charging regulation that PCRF sends, PCEF carries out corresponding business data flow billing operation, and chargeing both can be online charging, also can be offline charging.If online charging, then PCEF needs and Online Charging System (Online Charging System abbreviates OCS as) carry out credit management together.During offline charging, exchange correlation charge information between PCEF and the off-line accounting system (OfflineCharging System abbreviates OFCS as).Interface between PCEF and the PCRF is the Gx interface, and the interface between the OCS is the Gy interface, and the interface between the OFCS is the Gz interface.PCEF generally is positioned on the gateway of network, as the packet data gateway among GGSN among the GPRS (GGSN) and the I-WLAN (Packet Data Gateway abbreviates PDG as).
User-subscribed database (SPR) has been stored and the policy control and the relevant user policy, billing control and subscription information that charges.Interface between SPR and the PCRF is the Sp interface.
Online Charging System (OCS) and PCEF carry out the control and the management of user credit under the online charging mode together.
Off-line accounting system (OFCS) is finished billing operation under the offline charging mode with PCEF.
PCRF passes through the Gxx interface to bearing binding and event reporting function entity (Bearer Bindingand Event Reporting Function, abbreviate BBERF as) issue the relevant QoS rule of IP connection access network (IP-CAN) session, issue the relevant PCC rule of IP-CAN session by the Gx interface to PCEF.The BBERF function comprises the checking and the event report of bearing binding, up bearing binding, usually be present in the gateway, as the packet data gateway of the gateway among the EPS (Serving Gateway), evolution (Evolved Packet Data Gateway, ePDG) and be used to non-3 GPP access network pass of inserting the EPS system etc.When the user inserts EPC by non-3GPP, or E-UTRAN inserts EPC, and gateway (Serving Gateway, SGW) and packet data network gateway (PacketData Network Gateway, when adopting proxy-mobile IP (PMIP) agreement PDN-GW), the PCC framework needs the BBERF functional entity.
In the prior art, can realize redirection function by strengthening the PCC framework, i.e. setting up in the process in the IP-CAN session, or the IP-CAN session is set up the back in the access process of business, PCRF can carry out redirect operation to session according to strategy (arrive as not signatory relevant professional, the consumption of user signatory etc.), to realize that display reminding is carried out in user's subsequent operation.
Yet for different scenes, redirected demand is distinguishing.For example, do not have signatory relevant professional scene for the user, user's visit must be redirected always, up to the user this business is contracted.And some are unsafe when professional for being similar to user capture, as long as carry out once being redirected, the user are warned get final product, still will carry out Operational Visit as if the user, and network will allow the user to carry out Operational Visit so.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of system and method that user's visit is redirected, and can solve and be redirected the indefinite defective of type in the prior art.
In order to address the above problem, the invention provides a kind of method that user's visit is redirected, comprising:
When policy control and charging regulation function entity (PCRF) are judged need be redirected the part or all of business of user capture the time, indication strategy and charging execution function entity (PCEF) are redirected the part or all of business of described user capture, and indicate redirected type;
Described PCEF carries out being redirected of specified type according to described indication to the part or all of business of described user capture.
Further, described redirected type is for once being redirected or permanent being redirected;
Described PCRF judges in the time of need being redirected the part or all of business of user capture, indicates PCEF that the part or all of business of described user capture is redirected and is meant,
Described PCRF formulates and is redirected strategy, when trigger condition meets when the partial service of user capture carried out forever being redirected, PCRF sends Diameter re-authentication authorization request message to described PCEF, wherein comprises Redirect Server address, permanent indication and the service identification information of being redirected;
When trigger condition meets when user's partial service carried out once being redirected, PCRF sends Diameter re-authentication authorization request message to described PCEF, wherein comprises the Redirect Server address, once is redirected indication and service identification information.
Further, described redirected type is for once being redirected or permanent being redirected;
When trigger condition meets when whole business of user are carried out forever being redirected, PCRF sends Diameter re-authentication authorization request message to described PCEF, comprises Redirect Server address, the permanent indication that is redirected indication and represents all business in the described message;
When trigger condition meets when whole business of user are carried out once being redirected, PCRF sends Diameter re-authentication authorization request message to described PCEF, comprises Redirect Server address, the once redirected indication of indicating and representing all business in the described message.
Further, described PCEF carries out the redirected of specified type according to described indication to the part or all of business of described user capture and is meant,
If described redirected being designated as once is redirected, described PCEF carries out once being redirected to the specified services of described user capture, allows the described specified services of described user capture afterwards;
If described be redirected is designated as permanent being redirected, during described user was this time online, described PCEF was redirected described user's specified services always, up to receiving that cancellation that PCRF sends the permanent of specified services to described user is redirected;
Described specified services is all business when comprising the indication of representing all business in the business of described service identification information appointment or the Diameter re-authentication authorization request message.
Further, the redirected strategy formulated of described PCRF is one or more the combination in the following strategy:
(a) when not signatory professional of user capture, this business is carried out forever being redirected;
(b) when user's consumption reaches signatory going up in limited time some or all business of described user are carried out forever being redirected or once being redirected;
(c) when the user reaches the visit capacity of business signatory the going up in limited time of this business carried out forever being redirected or once being redirected to this business;
(d) this business is carried out once being redirected during by unsafe Access Network access service as the user.
Further, if PCRF has carried out permanent being redirected to user's part or all of business, then when no longer satisfying, the described permanent trigger condition that is redirected sends Diameter re-authentication authorization request message to described PCEF, when cancellation during to permanent being redirected of partial service, comprise cancellation in the described message and be redirected indication and service identification information, when cancellation during, comprise the indication that cancellation is redirected indication and represents all business in the described message to permanent being redirected of all business;
After described PCEF receives described Diameter re-authentication authorization request message, if comprise the indication of representing all business in the described message, then cancel the permanent of described all business of user is redirected, if comprise service identification information in the described message, then cancel the permanent of described user's specified services is redirected;
Described specified services is all business when comprising the indication of representing all business in the business of described service identification information appointment or the Diameter re-authentication authorization request message.
Further, described PCRF any in the following ways indicated all business:
(1) in Diameter re-authentication authorization requests, carries all professional service identification information;
(2) in Diameter re-authentication authorization requests, carry all professional parameters of expression;
(3) in Diameter re-authentication authorization requests, do not carry any service identification information.
Further, described PCRF any issuing service identification information in the following manner:
1) 4 of PCRF issuing service correspondence layers of IP filter or 7 layers of IP filter;
2) 4 of PCEF pre-configured service correspondence layers of IP filter or 7 layers of IP filter, and PCEF and PCRF dispose this business corresponding identification respectively, and PCRF issues the described service identification of configuration.
A kind of system that user's visit is redirected comprises policy control and charging regulation function entity (PCRF) and strategy and charging execution function entity (PCEF);
Described PCRF is used to judge in the time of need being redirected the part or all of business of user capture, and indication PCEF is redirected the part or all of business of described user capture, and indicates redirected type;
Described PCEF is used for according to described indication the part or all of business of described user capture being carried out being redirected of specified type.
Further, described redirected type is for once being redirected or permanent being redirected;
Described PCRF judges in the time of need being redirected the part or all of business of user capture, indicates PCEF that the part or all of business of described user capture is redirected and is meant,
Described PCRF formulates and is redirected strategy, when trigger condition meets when the partial service of user capture carried out forever being redirected, PCRF sends Diameter re-authentication authorization request message to described PCEF, wherein comprises Redirect Server address, permanent indication and the service identification information of being redirected;
When trigger condition meets when user's partial service carried out once being redirected, PCRF sends Diameter re-authentication authorization request message to described PCEF, wherein comprises the Redirect Server address, once is redirected indication and service identification information.
Further, described redirected type is for once being redirected or permanent being redirected;
When trigger condition meets when whole business of user are carried out forever being redirected, PCRF sends Diameter re-authentication authorization request message to described PCEF, comprises Redirect Server address, the permanent indication that is redirected indication and represents all business in the described message;
When trigger condition meets when whole business of user are carried out once being redirected, PCRF sends Diameter re-authentication authorization request message to described PCEF, comprises Redirect Server address, the once redirected indication of indicating and representing all business in the described message.
Further, described PCEF carries out the redirected of specified type according to described indication to the part or all of business of described user capture and is meant,
If described redirected being designated as once is redirected, described PCEF carries out once being redirected to the specified services of described user capture, allows the described specified services of described user capture afterwards;
If described be redirected is designated as permanent being redirected, during described user was this time online, described PCEF was redirected described user's specified services always, up to receiving that cancellation that PCRF sends the permanent of specified services to described user is redirected;
Described specified services is all business when comprising the indication of representing all business in the business of described service identification information appointment or the Diameter re-authentication authorization request message.
Further, the redirected strategy formulated of described PCRF is one or more the combination in the following strategy:
(a) when not signatory professional of user capture, this business is carried out forever being redirected;
(b) when user's consumption reaches signatory going up in limited time some or all business of described user are carried out forever being redirected or once being redirected;
(c) when the user reaches the visit capacity of business signatory the going up in limited time of this business carried out forever being redirected or once being redirected to this business;
(d) this business is carried out once being redirected during by unsafe Access Network access service as the user.
Further, described PCRF also is used for user's part or all of business has been carried out permanent being redirected, and when no longer satisfying, the described permanent trigger condition that is redirected sends Diameter re-authentication authorization request message to described PCEF, when cancellation during to permanent being redirected of partial service, comprise cancellation in the described message and be redirected indication and service identification information, when cancellation during, comprise the indication that cancellation is redirected indication and represents all business in the described message to permanent being redirected of all business;
After described PCEF also is used to receive described Diameter re-authentication authorization request message, cancellation is redirected the permanent of described all business of user when comprising the indication of representing all business in the described message, and cancellation is redirected the permanent of described user's specified services when comprising service identification information in the described message;
Described specified services is all business when comprising the indication of representing all business in the business of described service identification information appointment or the Diameter re-authentication authorization request message.
Further, described PCRF any in the following ways indicated all business:
(1) in Diameter re-authentication authorization requests, carries all professional service identification information;
(2) in Diameter re-authentication authorization requests, carry all professional parameters of expression;
(3) in Diameter re-authentication authorization requests, do not carry any service identification information.
Further, described PCRF any issuing service identification information in the following manner:
1) 4 of PCRF issuing service correspondence layers of IP filter or 7 layers of IP filter;
2) 4 of PCEF pre-configured service correspondence layers of IP filter or 7 layers of IP filter, and PCEF and PCRF dispose this business corresponding identification respectively, and PCRF issues the described service identification of configuration.
In sum, the invention provides a kind of system and method that user's visit is redirected, PCRF indicates redirected classification when being redirected indication by issuing to PCEF, carry out once redirected or permanent being redirected with indication PCEF, overcome effectively and be redirected the indefinite defective of type in the prior art.
Description of drawings
Fig. 1 is the PCC structured flowchart according to prior art Release 8;
Fig. 2 is the schematic flow sheet according to the inventive method embodiment one;
Fig. 3 is the schematic flow sheet according to the inventive method embodiment two;
Fig. 4 is the schematic flow sheet according to the inventive method embodiment three;
Fig. 5 is the schematic flow sheet according to the inventive method embodiment four;
Fig. 6 is the schematic flow sheet according to the inventive method embodiment five.
Embodiment
Describe embodiments of the present invention in detail below with reference to drawings and Examples, how the application technology means solve technical problem to the present invention whereby, and the implementation procedure of reaching technique effect can fully understand and implements according to this.
The invention provides a kind of system that user's visit is redirected, comprise PCRF and PCEF;
PCRF is used to judge in the time of need being redirected the part or all of business of user capture, and indication PCEF is redirected the part or all of business of user capture, and indicates redirected type;
PCEF is used for according to above-mentioned indication the part or all of business of user capture being carried out being redirected of specified type.
Be redirected type for once being redirected or permanent being redirected;
PCRF judges when need be redirected the part or all of business of user capture, indicates PCEF that the part or all of business of user capture is redirected and is meant,
PCRF formulates and is redirected strategy, when trigger condition meets when the partial service of user capture carried out forever being redirected, PCRF sends Diameter re-authentication authorization request message to described PCEF, wherein comprises Redirect Server address, permanent indication and the service identification information of being redirected;
When trigger condition meets when user's partial service carried out once being redirected, PCRF sends Diameter re-authentication authorization request message to PCEF, wherein comprises the Redirect Server address, once is redirected indication and service identification information.
When trigger condition meets when whole business of user are carried out forever being redirected, PCRF sends Diameter re-authentication authorization request message to PCEF, comprises Redirect Server address, the permanent indication that is redirected indication and represents all business in this message;
When trigger condition meets when whole business of user are carried out once being redirected, PCRF sends Diameter re-authentication authorization request message to PCEF, comprises the Redirect Server address in this message, once is redirected indication and represent the indication of all business.
PCEF carries out the redirected of specified type according to above-mentioned indication to the part or all of business of user capture and is meant,
Be redirected if be redirected to be designated as once, PCEF carries out once being redirected to the specified services of user capture, allows this user capture specified services afterwards;
Be designated as permanent being redirected if be redirected, during this user was this time online, PCEF was redirected this user's specified services always, up to receiving that cancellation that PCRF sends the permanent of specified services to this user is redirected;
The redirected strategy that PCRF formulates is one or more the combination in the following strategy:
(a) when not signatory professional of user capture, this business is carried out forever being redirected;
(b) when user's consumption reaches signatory going up in limited time some or all business of user are carried out forever being redirected or once being redirected;
(c) when the user reaches the visit capacity of business signatory the going up in limited time of this business carried out forever being redirected or once being redirected to this business;
(d) this business is carried out once being redirected during by unsafe Access Network access service as the user.
PCRF also is used for user's part or all of business has been carried out permanent being redirected, and when no longer satisfying, the permanent trigger condition that is redirected sends Diameter re-authentication authorization request message to PCEF, when cancellation during to permanent being redirected of partial service, comprise cancellation in this message and be redirected indication and service identification information, when cancellation during, comprise the indication that cancellation is redirected indication and represents all business in this message to permanent being redirected of all business;
After PCEF also is used to receive Diameter re-authentication authorization request message, cancellation is redirected the permanent of all business of user when comprising the indication of representing all business in this message, and cancellation is redirected the permanent of user's specified services when comprising service identification information in this message;
Specified services is all business when comprising the indication of representing all business in the business of service identification information appointment or the Diameter re-authentication authorization request message.
PCRF any in the following ways indicated all business:
(1) in Diameter re-authentication authorization requests, carries all professional service identification information;
(2) in Diameter re-authentication authorization requests, carry all professional parameters of expression;
(3) in Diameter re-authentication authorization requests, do not carry any service identification information.
PCRF any issuing service identification information in the following manner:
1) 4 of PCRF issuing service correspondence layers of IP filter or 7 layers of IP filter;
2) 4 of PCEF pre-configured service correspondence layers of IP filter or 7 layers of IP filter, and PCEF and PCRF dispose this business corresponding identification respectively, and PCRF issues the service identification of configuration.
The present invention also provides a kind of method that user's visit is redirected, and when the PCRF judgement need be redirected the part or all of business of user capture, indication PCEF was redirected this user's part or all of business, and indicates redirected type; PCEF carries out being redirected of specified type according to this indication to this user's part or all of business.
Specifically describe the inventive method below in conjunction with accompanying drawing by a plurality of embodiment
Embodiment one
Fig. 2 is the schematic flow sheet that forever is redirected triggering method according to the session of the embodiment of the invention.As shown in Figure 2, this method mainly may further comprise the steps:
Step S201, alternatively, AF sends business information to PCRF, has comprised the user and has asked certain business information of visiting;
Step S202, PCRF storage service information, and return acknowledge message to AF;
Step S203, PCRF judges that according to the redirected strategy of formulating needs carry out forever being redirected to this business that this user asks to visit;
As PCRF detect from the user signing contract information that SPR obtains not should business CAMEL-Subscription-Information or should business according to the local policy decision-making of PCRF when having no right to use the needs refusal, PCRF will be redirected this business;
Step S204, PCRF sends Diameter re-authentication authorization requests to PCEF, and (Re-Auth-Request, RAR) message comprise Redirect Server address, permanent indication and the service identification information of being redirected in this Diameter re-authentication authorization request message.Permanent be redirected the indication expression, during the user was this time online, PCEF must be always be redirected to Redirect Server with the visit of specified services, up to receiving cancellation that PCRF the issues redirected indication to specified services;
PCRF can but any issuing service identification information in being not limited in the following manner:
1) PCRF issues 4 layers of IP filter (being the IP five-tuple) or 7 layers of IP filter of this business correspondence.Service identification information is 4 layers of IP filter (being the IP five-tuple) or 7 layers of IP filter;
2) pre-configured 4 layers of IP filter (being the IP five-tuple) or 7 layers of IP filter and PCEF and PCRF that should the business correspondence of PCEF disposes this business corresponding identification respectively.PCRF issues the service identification of configuration.
4 layers, the 7 layers IP filter that the present invention mentions are according to inventionthe open systems interconnection reference model (Open System Interconnection Reference Model, OSI) definition.
PCRF can but in being not limited in the following manner any obtains Redirect Server address:
1) obtains from the user signing contract information that SPR obtains at the IP-CAN initial phase;
2) from the Redirect Server address list of the local configuration of PCRF, obtain.
Step S205, PCEF receive Diameter re-authentication authorization request message, be redirected indication according to wherein permanent the specified services of this user capture is redirected to Redirect Server, up to receiving that the cancellation that PCRF issues is redirected indication;
Step S206, PCEF sends the authorization response of Diameter re-authentication to PCRF, and (Re-Auth-Answer, RAA) message is confirmed.
Among this embodiment, specified services is the business of service identification information appointment.
Embodiment two
Fig. 3 is the flow chart that forever is redirected triggering method according to the session of the embodiment of the invention, and this method mainly may further comprise the steps:
Step S301, PCRF detect local certain default redirected condition and are triggered, as judging that according to the redirected strategy of formulating needs carry out forever being redirected to some or all business of user capture; Wherein, partial service comprises a kind of situation of business.
Reaching the signatory PCRF that goes up in limited time as certain user's consumption judges some or all business of this user capture is carried out forever being redirected.
Step S302, PCRF sends Diameter re-authentication authorization requests (Re-Auth-Request to PCEF, RAR) message, comprise Redirect Server address, permanent redirected indication in this message, if be redirected partial service, then also comprise service identification information in this message, if all business of being redirected then also comprise the indication of representing all business in this message.
Permanent be redirected the indication expression, during the user was this time online, PCEF must be always be redirected to Redirect Server with the visit of some or all business of designated user, up to receiving that cancellation that PCRF issues is redirected indication to designated user permanent;
PCRF can but any issuing service identification information in being not limited in the following manner:
1) PCRF issues 4 layers of IP filter (being the IP five-tuple) or 7 layers of IP filter of this business correspondence.Service identification information is 4 layers of IP filter (being the IP five-tuple) or 7 layers of IP filter;
2) pre-configured 4 layers of IP filter (being the IP five-tuple) or 7 layers of IP filter that should the business correspondence of PCEF, and PCEF and PCRF dispose this business corresponding identification respectively.PCRF issues the service identification of configuration.
PCRF can but in being not limited in the following manner any comprises the indication of representing all business in Diameter re-authentication authorization requests:
1) the explicit indication that issues all business of expression as being to carry all professional service identification information in Diameter re-authentication authorization requests, also can be to carry all professional parameters that are redirected of an expression in Diameter re-authentication authorization requests;
2) implicit expression issues the indication of all business of expression, does not promptly issue any service identification information.
PCRF can but in being not limited in the following manner any obtains Redirect Server address:
1) obtains from the user signing contract information that SPR obtains in the IP-CAN initialization stage;
2) from the Redirect Server address list of the local configuration of PCRF, obtain.
Step S303, PCEF receives Diameter re-authentication authorization request message, be redirected indication according to wherein permanent some or all business of the appointment of this user capture are redirected to Redirect Server, up to receiving that cancellation that PCRF issues is redirected indication to this user permanent;
Among this embodiment, specified services is all business (all business when comprising all business when not carrying service identification information in the Diameter re-authentication authorization request message, when carrying all professional parameters of expression all are professional and carry all service identification information) when comprising the indication of representing all business in the business of service identification information appointment or the Diameter re-authentication authorization request message.
Step S304, PCEF sends the authorization response of Diameter re-authentication to PCRF, and (Re-Auth-Answer, RAA) message is confirmed.
Embodiment three
Based on the flow process of example one and embodiment two, PCEF is redirected to Redirect Server with user's Operational Visit.That the user carries out again is signatory (as contracting or buy consumption etc. again the business that will visit).SPR will carry out the renewal of user contracting data according to meeting.
Fig. 4 is the permanent schematic flow sheet that is redirected of PCRF cancellation.As shown in Figure 4, this method mainly may further comprise the steps:
Step S401, the SPR user data after PCRF provides renewal comprises new business data signed and/or new consumption upper limit etc.;
Step S402, PCRF returns acknowledge message to SPR;
Step S403, PCRF judge that the permanent of cancelling when the trigger condition that the part or all of business of user capture is carried out forever being redirected no longer satisfies this user capture of part or all of business is redirected;
As PCRF according to new subscription data judge the user to the business that will visit carried out cancellation when signatory to this user capture should business permanent redirected, or the user obtained on the new consumption cancellation in limited time the permanent of these all business of user capture has been redirected, and PCRF also formulates the PCC rule;
Step S404, PCRF sends Diameter re-authentication authorization requests (Re-Auth-Request to PCEF, RAR) message, comprise cancellation in this Diameter re-authentication authorization request message and be redirected indication and PCC rule, if being redirected of cancellation partial service, then also comprise service identification information, if cancellation then also comprises the indication of representing all business in this message to being redirected of all business;
PCRF can but any issuing service identification information in being not limited in the following manner:
1) PCRF issues 4 layers of IP filter (being the IP five-tuple) or 7 layers of IP filter of this business correspondence.Service identification information is 4 layers of IP filter (being the IP five-tuple) or 7 layers of IP filter;
2) pre-configured 4 layers of IP filter (being the IP five-tuple) or 7 layers of IP filter and PCEF and PCRF that should the business correspondence of PCEF disposes this business corresponding identification respectively.PCRF issues the service identification of configuration.
PCRF can but in being not limited in the following manner any comprises the indication of representing all business in Diameter re-authentication authorization requests:
1) the explicit indication that issues all business of expression as being to carry all professional service identification information in Diameter re-authentication authorization requests, also can be to carry all professional parameters that are redirected of an expression in Diameter re-authentication authorization requests;
2) implicit expression issues the indication of all business of expression, does not promptly issue any service identification information.
Step S405, PCEF receive Diameter re-authentication authorization request message, indicate the redirect operation of cancelling specified services according to cancellation wherein is redirected, and carry out policy and charging control according to the PCC rule.
Among this embodiment, specified services is all business (all business when comprising all business when not carrying service identification information in the Diameter re-authentication authorization request message, when carrying all professional parameters of expression all are professional and carry all service identification information) when comprising the indication of representing all business in the business of service identification information appointment or the Diameter re-authentication authorization request message.
Step S406, PCEF sends the authorization response of Diameter re-authentication to PCRF, and (Re-Auth-Answer, RAA) message is confirmed.
Embodiment four
Fig. 5 is the flow chart that once is redirected triggering method according to the session of the embodiment of the invention, and this method mainly may further comprise the steps:
Step S501, AF provides business information to PCRF, comprises certain business information of user capture;
Step S502, PCRF storage service information, and return acknowledge message to AF;
Step S503, PCRF judges that according to business information and the redirected tactful of PCRF formulation that AF provides needs carry out once being redirected to the business that the user asks to visit, PCRF also can formulate the PCC rule simultaneously;
As PCRF judgement when the user visits certain business by unsafe Access Network this business of this user is carried out once being redirected.
Step S504, PCRF sends Diameter re-authentication authorization requests to PCEF, and (Re-Auth-Request, RAR) message comprise the Redirect Server address and once are redirected indication and service identification information in this Diameter re-authentication authorization request message.Once be redirected the indication expression, PCEF is redirected to Redirect Server once with this user to the visit of specified services, and the follow-up designated user that will allow continues to visit specified services;
PCRF can but any issuing service identification information in being not limited in the following manner:
1) PCRF issues 4 layers of IP filter (being the IP five-tuple) or 7 layers of IP filter of this business correspondence.Service identification information is 4 layers of IP filter (being the IP five-tuple) or 7 layers of IP filter;
2) pre-configured 4 layers of IP filter (being the IP five-tuple) or 7 layers of IP filter and PCEF and PCRF that should the business correspondence of PCEF disposes this business corresponding identification respectively.PCRF issues the service identification of configuration.
PCRF can but in being not limited in the following manner any obtains Redirect Server address:
1) obtains from the user signing contract information that SPR obtains at the IP-CAN initial phase;
2) from the Redirect Server address list of the local configuration of PCRF, obtain;
Step S505, PCEF receives Diameter re-authentication authorization request message, according to wherein once be redirected indication and service identification information this user is redirected to Redirect Server once to the visit of specified services, follow-uply will allows the designated user continuation to visit specified services.PCEF installs the PCC rule that PCRF issues simultaneously, and the Operational Visit follow-up to the user carries out policy and charging control;
Step S506, PCEF sends the authorization response of Diameter re-authentication to PCRF, and (Re-Auth-Answer, RAA) message is confirmed.
Owing to be once redirected, PCRF is follow-up not to be needed to issue cancellation and is redirected indication.
Among this embodiment, specified services is the business of service identification information appointment.
Embodiment five
Fig. 6 is the flow chart that once is redirected triggering method according to the session of the embodiment of the invention, and this method mainly may further comprise the steps:
Step S601, PCRF judges that according to the redirected strategy of formulating needs carry out once being redirected to some or all business of user capture;
The consumption that detects the user as PCRF reaches the signatory decision in limited time of going up to carry out once being redirected to some or all business of this user capture.
Step S602, PCRF sends Diameter re-authentication authorization requests (Re-Auth-Request to PCEF, RAR) message, comprise Redirect Server address, once redirected indication in this message, if be redirected partial service, then also comprise service identification information in this message, if all business of being redirected then also comprise the indication of representing all business in this message.Once be redirected the indication expression, PCEF is redirected to Redirect Server once with the user to the visit of some or all business, follow-uply will allow the user to continue to visit;
PCRF can but any issuing service identification information in being not limited in the following manner:
1) PCRF issues 4 layers of IP filter (being the IP five-tuple) or 7 layers of IP filter of this business correspondence.Service identification information is 4 layers of IP filter (being the IP five-tuple) or 7 layers of IP filter;
2) pre-configured 4 layers of IP filter (being the IP five-tuple) or 7 layers of IP filter and PCEF and PCRF that should the business correspondence of PCEF disposes this business corresponding identification respectively, and PCRF issues the service identification of configuration.
PCRF can but in being not limited in the following manner any comprises the indication of representing all business in Diameter re-authentication authorization requests:
1) the explicit indication that issues all business of expression as being to carry all professional service identification information in Diameter re-authentication authorization requests, also can be to carry all professional parameters that are redirected of an expression in Diameter re-authentication authorization requests;
2) implicit expression issues the indication of all business of expression, does not promptly issue any service identification information.
PCRF any in can pass-through mode obtains Redirect Server address:
1) obtains from the user signing contract information that SPR obtains in the IP-CAN initialization stage;
2) from the Redirect Server address list of the local configuration of PCRF, obtain.
Step S603, PCEF receive Diameter re-authentication authorization request message, according to wherein the indication that once is redirected this user are redirected to Redirect Server once to the visit of some or all business of appointment, follow-uply will allow this user to continue access service;
Among this embodiment, specified services is all business (all business when comprising all business when not carrying service identification information in the Diameter re-authentication authorization request message, when carrying all professional parameters of expression all are professional and carry all service identification information) when comprising the indication of representing all business in the business of service identification information appointment or the Diameter re-authentication authorization request message.
Step S604, PCEF sends the authorization response of Diameter re-authentication to PCRF, and (Re-Auth-Answer, RAA) message is confirmed.
Owing to be once redirected, PCRF is follow-up not to be needed to issue cancellation and is redirected indication.
In the embodiment of the invention, PCRF can formulate flexibly and be redirected strategy, and the present invention does not limit this; As can but be not limited to one or more combination in the following strategy:
(a) when not signatory professional of user capture, this business is carried out forever being redirected;
(b) when user's consumption reaches signatory going up in limited time some or all business of this user are carried out forever being redirected or once being redirected;
(c) when the user reaches the visit capacity of business signatory the going up in limited time of this business carried out forever being redirected or once being redirected to this business;
(d) this business is carried out once being redirected during by unsafe Access Network access service as the user.
Claims (16)
1. method that user's visit is redirected comprises:
When policy control and charging regulation function entity (PCRF) are judged need be redirected the part or all of business of user capture the time, indication strategy and charging execution function entity (PCEF) are redirected the part or all of business of described user capture, and indicate redirected type;
Described PCEF carries out being redirected of specified type according to described indication to the part or all of business of described user capture.
2. the method for claim 1 is characterized in that:
Described redirected type is for once being redirected or permanent being redirected;
Described PCRF judges in the time of need being redirected the part or all of business of user capture, indicates PCEF that the part or all of business of described user capture is redirected and is meant,
Described PCRF formulates and is redirected strategy, when trigger condition meets when the partial service of user capture carried out forever being redirected, PCRF sends Diameter re-authentication authorization request message to described PCEF, wherein comprises Redirect Server address, permanent indication and the service identification information of being redirected;
When trigger condition meets when user's partial service carried out once being redirected, PCRF sends Diameter re-authentication authorization request message to described PCEF, wherein comprises the Redirect Server address, once is redirected indication and service identification information.
3. the method for claim 1 is characterized in that:
Described redirected type is for once being redirected or permanent being redirected;
When trigger condition meets when whole business of user are carried out forever being redirected, PCRF sends Diameter re-authentication authorization request message to described PCEF, comprises Redirect Server address, the permanent indication that is redirected indication and represents all business in the described message;
When trigger condition meets when whole business of user are carried out once being redirected, PCRF sends Diameter re-authentication authorization request message to described PCEF, comprises Redirect Server address, the once redirected indication of indicating and representing all business in the described message.
4. as claim 2 or 3 described methods, it is characterized in that:
Described PCEF carries out the redirected of specified type according to described indication to the part or all of business of described user capture and is meant,
If described redirected being designated as once is redirected, described PCEF carries out once being redirected to the specified services of described user capture, allows the described specified services of described user capture afterwards;
If described be redirected is designated as permanent being redirected, during described user was this time online, described PCEF was redirected described user's specified services always, up to receiving that cancellation that PCRF sends the permanent of specified services to described user is redirected;
Described specified services is all business when comprising the indication of representing all business in the business of described service identification information appointment or the Diameter re-authentication authorization request message.
5. as claim 2 or 3 described methods, it is characterized in that:
The redirected strategy that described PCRF formulates is one or more the combination in the following strategy:
(a) when not signatory professional of user capture, this business is carried out forever being redirected;
(b) when user's consumption reaches signatory going up in limited time some or all business of described user are carried out forever being redirected or once being redirected;
(c) when the user reaches the visit capacity of business signatory the going up in limited time of this business carried out forever being redirected or once being redirected to this business;
(d) this business is carried out once being redirected during by unsafe Access Network access service as the user.
6. as claim 2 or 3 described methods, it is characterized in that:
If PCRF has carried out permanent being redirected to user's part or all of business, then when no longer satisfying, the described permanent trigger condition that is redirected sends Diameter re-authentication authorization request message to described PCEF, when cancellation during to permanent being redirected of partial service, comprise cancellation in the described message and be redirected indication and service identification information, when cancellation during, comprise the indication that cancellation is redirected indication and represents all business in the described message to permanent being redirected of all business;
After described PCEF receives described Diameter re-authentication authorization request message, be redirected according to the permanent of specified services of the redirected indication cancellation of described cancellation to described user;
Described specified services is all business when comprising the indication of representing all business in the business of described service identification information appointment or the Diameter re-authentication authorization request message.
7. method as claimed in claim 6 is characterized in that:
Described PCRF any in the following ways indicated all business:
(1) in Diameter re-authentication authorization requests, carries all professional service identification information;
(2) in Diameter re-authentication authorization requests, carry all professional parameters of expression;
(3) in Diameter re-authentication authorization requests, do not carry any service identification information.
8. as claim 2 or 3 described methods, it is characterized in that:
Described PCRF any issuing service identification information in the following manner:
1) 4 of PCRF issuing service correspondence layers of IP filter or 7 layers of IP filter;
2) 4 of PCEF pre-configured service correspondence layers of IP filter or 7 layers of IP filter, and PCEF and PCRF dispose this business corresponding identification respectively, and PCRF issues the described service identification of configuration.
9. the system that user's visit is redirected comprises policy control and charging regulation function entity (PCRF) and strategy and charging execution function entity (PCEF); It is characterized in that:
Described PCRF is used to judge in the time of need being redirected the part or all of business of user capture, and indication PCEF is redirected the part or all of business of described user capture, and indicates redirected type;
Described PCEF is used for according to described indication the part or all of business of described user capture being carried out being redirected of specified type.
10. system as claimed in claim 9 is characterized in that:
Described redirected type is for once being redirected or permanent being redirected;
Described PCRF judges in the time of need being redirected the part or all of business of user capture, indicates PCEF that the part or all of business of described user capture is redirected and is meant,
Described PCRF formulates and is redirected strategy, when trigger condition meets when the partial service of user capture carried out forever being redirected, PCRF sends Diameter re-authentication authorization request message to described PCEF, wherein comprises Redirect Server address, permanent indication and the service identification information of being redirected;
When trigger condition meets when user's partial service carried out once being redirected, PCRF sends Diameter re-authentication authorization request message to described PCEF, wherein comprises the Redirect Server address, once is redirected indication and service identification information.
11. system as claimed in claim 9 is characterized in that:
Described redirected type is for once being redirected or permanent being redirected;
When trigger condition meets when whole business of user are carried out forever being redirected, PCRF sends Diameter re-authentication authorization request message to described PCEF, comprises Redirect Server address, the permanent indication that is redirected indication and represents all business in the described message;
When trigger condition meets when whole business of user are carried out once being redirected, PCRF sends Diameter re-authentication authorization request message to described PCEF, comprises Redirect Server address, the once redirected indication of indicating and representing all business in the described message.
12., it is characterized in that as claim 10 or 11 described systems:
Described PCEF carries out the redirected of specified type according to described indication to the part or all of business of described user capture and is meant,
If described redirected being designated as once is redirected, described PCEF carries out once being redirected to the specified services of described user capture, allows the described specified services of described user capture afterwards;
If described be redirected is designated as permanent being redirected, during described user was this time online, described PCEF was redirected described user's specified services always, up to receiving that cancellation that PCRF sends the permanent of specified services to described user is redirected;
Described specified services is all business when comprising the indication of representing all business in the business of described service identification information appointment or the Diameter re-authentication authorization request message.
13., it is characterized in that as claim 10 or 11 described systems:
The redirected strategy that described PCRF formulates is one or more the combination in the following strategy:
(a) when not signatory professional of user capture, this business is carried out forever being redirected;
(b) when user's consumption reaches signatory going up in limited time some or all business of described user are carried out forever being redirected or once being redirected;
(c) when the user reaches the visit capacity of business signatory the going up in limited time of this business carried out forever being redirected or once being redirected to this business;
(d) this business is carried out once being redirected during by unsafe Access Network access service as the user.
14., it is characterized in that as claim 10 or 11 described systems:
Described PCRF also is used for user's part or all of business has been carried out permanent being redirected, and when no longer satisfying, the described permanent trigger condition that is redirected sends Diameter re-authentication authorization request message to described PCEF, when cancellation during to permanent being redirected of partial service, comprise cancellation in the described message and be redirected indication and service identification information, when cancellation during, comprise the indication that cancellation is redirected indication and represents all business in the described message to permanent being redirected of all business;
After described PCEF also is used to receive described Diameter re-authentication authorization request message, be redirected according to the permanent of specified services of the redirected indication cancellation of described cancellation to described user;
Described specified services is all business when comprising the indication of representing all business in the business of described service identification information appointment or the Diameter re-authentication authorization request message.
15. system as claimed in claim 14 is characterized in that:
Described PCRF any in the following ways indicated all business:
(1) in Diameter re-authentication authorization requests, carries all professional service identification information;
(2) in Diameter re-authentication authorization requests, carry all professional parameters of expression;
(3) in Diameter re-authentication authorization requests, do not carry any service identification information.
16., it is characterized in that as claim 10 or 11 described systems:
Described PCRF any issuing service identification information in the following manner:
1) 4 of PCRF issuing service correspondence layers of IP filter or 7 layers of IP filter;
2) 4 of PCEF pre-configured service correspondence layers of IP filter or 7 layers of IP filter, and PCEF and PCRF dispose this business corresponding identification respectively, and PCRF issues the described service identification of configuration.
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