CN101616143B - Policy control method, system, data gateway and policy decision entity - Google Patents
Policy control method, system, data gateway and policy decision entity Download PDFInfo
- Publication number
- CN101616143B CN101616143B CN2008101290595A CN200810129059A CN101616143B CN 101616143 B CN101616143 B CN 101616143B CN 2008101290595 A CN2008101290595 A CN 2008101290595A CN 200810129059 A CN200810129059 A CN 200810129059A CN 101616143 B CN101616143 B CN 101616143B
- Authority
- CN
- China
- Prior art keywords
- access network
- gateway
- information
- policy control
- policy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/20—Traffic policing
Abstract
The invention discloses a policy control method, a mobile packet network system, a data gateway and a policy decision entity, belonging to the technical field of mobile communication. The method comprises the following steps: receiving second access network information sent by the data gateway by the policy decision entity; associating a gateway policy control conversation by the policy decision entity according to the second access network information and generating policy rule information according to the information of the associated gateway policy control conversation or the second access network information; and sending the policy rule information to the data gateway by the policy decision entity. The system comprises the data gateway and the policy decision entity. The invention uses the data gateway to send data to connect corresponding access network information and the policy decision entity, so that the policy decision entity can correctly judge an access network which is actually and currently used so as to correspondingly provide a policy rule which corresponds to the access network for the data gateway.
Description
Technical field
The present invention relates to the mobile communication technology field, particularly a kind of policy control method, mobile packet network system, data gateway and policy decision entity.
Background technology
As shown in Figure 1, be the logical architecture figure of mobile communication network of future generation, comprise user terminal, IAD, data gateway and policy decision entity etc.User terminal inserts through local Radio Access Network.Wherein, IAD is the convergent point of Access Network, is responsible for access technology relevant connection management and data forwarding; Data gateway is the gateway of visit message data network, is responsible for the data connection management and the data forwarding of user capture message data network, also is simultaneously the anchor point that the service of moving is provided for the mobile subscriber; Mobile communication network of future generation has strengthened policy control functions; Comprise service quality (QoS, the Quality of Service) control and the control of chargeing, when certain message data net of certain user capture; Be responsible for the QoS of access connection and the control law of charging are done decision-making by policy decision entity; And this control law offered gateway, gateway inserts the data service that connects according to above-mentioned rule to data and carries out the service quality and the control of chargeing as a Policy Enforcement Point.
The corresponding real network of mobile communication network of future generation can be grouping system of future generation (EPS, an Evolved PacketSystem) network.Correspondingly; For Universal Mobile Telecommunications System land radio access web (UTRAN; UMTS Terrestrialradio access network), Universal Mobile Telecommunications System land radio access web (E-UTRAN of future generation; EvolvedUTRAN) or global system for mobile communications wireless access network (GERAN; GSM EDGE Radio Access Network); IAD can be gateway (Serving Gateway) or GPRS (GPRS, GeneralPacket Radio Service) supporting node, and data gateway can be message data network gateway (Packet Data NetworkGateway) or Gateway GPRS Support Node.Policy decision entity can be PCRF (Policy & Charging RuleFunction; Strategy and charging rule functions) or PDF (Policy Decision Function; Strategy decisive function); The Policy Enforcement Point of IAD can be BBERF (Bearer Binding and Event Reporting Function, bearing binding and event reporting function) or PEP (Policy Enforcement Point, strategy strengthens point); The Policy Enforcement Point of data gateway can be PCEF (Policy and Charging Enforcement Function, strategy and charging enhancement function) or PEP.
When access message data network, data insert to connect (IP-CAN, IP Connectivity AccessNetwork) and policy control session thereof to set up process as shown in Figure 2.Wherein IAD is as BBERF, and set up the session of gateway policy control between the policy decision entity PCRF.Data gateway is as PCEF, and set up the session of IP-CAN policy control between the policy decision entity PCRF.
When user terminal location changes, as shown in Figure 3 when needing switching access networks, the user terminal to transmit data connection request, discharges source and connects after the successful connection of target side Access Network to the target side IAD, promptly builds the method for afterwards deleting earlier.
After prior art is analyzed; The inventor finds: prior art is in the process that the user is switched, and the target side Access Network can be in advance for the user connects, with the continuity that guarantees to switch; So in a period of time; Possibly exist data to have access to the incidence relation of two Access Networks, policy decision entity can't be judged the current actual Access Network that uses, and also just can't be correspondingly provides policing rule that should Access Network to data gateway.
Summary of the invention
In order to solve the user when having a plurality of Access Networks to connect at the same time; Policy control session between policy decision entity and data gateway can be used correct Access Network information, and the embodiment of the invention provides a kind of policy control method, mobile packet network system, data gateway and policy decision entity.Technical scheme is following:
A kind of method of policy control has been set up data with first Access Network at user terminal and has been connected, and need may further comprise the steps when second Access Network is set up data and is connected:
Policy decision entity receives the second Access Network information that data gateway sends;
Said policy decision entity is according to the said second Access Network associating information gateway policy control session, according to the information or the said second Access Network information generation strategy Rule Information of the gateway policy control session that is associated with;
Said policy decision entity sends said policy rule information to said data gateway;
Wherein, said policy decision entity is according to the said second Access Network associating information gateway policy control session, and information or the said second Access Network information generation strategy Rule Information according to the gateway policy control session that is associated with specifically comprise:
Said policy decision entity matees the said second Access Network information and the Access Network information of the gateway policy control session of having set up; When said policy decision entity matched the gateway policy control session of Access Network information correspondence, this gateway policy control session was the gateway policy control session that is associated with; According to the said gateway policy control session information generation strategy Rule Information that is associated with.
The embodiment of the invention provides a kind of policy decision entity in addition, comprising:
Information receiving unit is used to receive the second Access Network information that data gateway sends, and the said second Access Network information comprises IAD identification information and/or positional information;
Associative cell is used for according to the said second Access Network associating information gateway policy control session;
The policing rule generation unit is used for information or the said second Access Network information generation strategy Rule Information according to the gateway policy control session that is associated with;
The policing rule transmitting element is used for sending the corresponding policy rule information that said policing rule generation unit generates to said data gateway;
Wherein, said associative cell specifically comprises:
Matching module is used for the Access Network information of the IAD identification information of the said second Access Network information and/or positional information and the gateway policy control session of having set up is mated; When said policy decision entity matched the gateway policy control session of Access Network information correspondence, this gateway policy control session was the gateway policy control session that is associated with.
The embodiment of the invention is sent the second Access Network information through data gateway to policy decision entity; Policy decision entity carries out association through the second Access Network information that receives; Obtain the current actual Access Network that uses; And, provide policing rule that should Access Network to data gateway according to results associated.
Description of drawings
Fig. 1 is the logical architecture figure of mobile communication network of future generation;
Fig. 2 is the process of the setting up sketch map that the prior art data insert connection and policy control session thereof;
Fig. 3 is the process sketch map of switching access networks in the prior art;
Fig. 4 is the policy decision method flow chart that the embodiment of the invention one provides;
Fig. 5 is the policy decision method sketch map that the embodiment of the invention two provides;
Fig. 6 is the policy decision method sketch map that the embodiment of the invention three provides;
Fig. 7 is the policy decision method sketch map that the embodiment of the invention four provides;
Fig. 8 is the policy decision method sketch map that the embodiment of the invention five provides;
Fig. 9 is a kind of mobile packet network system schematic that the embodiment of the invention six provides;
Figure 10 is the data gateway structure chart that the embodiment of the invention six provides;
Figure 11 is the structure chart of the policy decision entity that provides of the embodiment of the invention six;
Figure 12 is the structure chart of the policy decision entity that provides of the embodiment of the invention six.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.
Embodiment one
The embodiment of the invention provides a kind of method of policy control, has set up data with first Access Network at user terminal and has been connected, need be when second Access Network be set up data and is connected, and as shown in Figure 4, may further comprise the steps:
S410: policy decision entity receives the second Access Network information that data gateway sends;
S420: said policy decision entity is according to the said second Access Network associating information gateway policy control session, according to the information or the said second Access Network information generation strategy Rule Information of the gateway policy control session that is associated with;
S430: said policy decision entity sends said policy rule information to said data gateway.
Wherein, the second Access Network information comprises: IAD identification information, positional information, IAD indication message.
The embodiment of the invention is sent the second Access Network information through data gateway to policy decision entity; Policy decision entity carries out association through the second Access Network information that receives; Obtain the current actual Access Network that uses; And, provide policing rule that should Access Network to data gateway according to results associated.
Embodiment two
In the present embodiment, source first IAD and target side second IAD are respectively BBERF, and data gateway is PCEF.The user has set up the data of visiting certain message data network at first Access Network and has inserted connection, and this connects through first IAD and data gateway.Wherein, first IAD and policy decision entity have been set up gateway policy control session 1, and data gateway and policy decision entity have been set up data and inserted connection strategy control session, come common these data of control to insert the service quality that connects, and possibly also comprise charging.Subsequently, user terminal because the position move etc. former thereby need switching access networks, thereby cause the IAD change.In the present embodiment, be first Access Network with the source Access Network, gateway is first IAD; The target side Access Network is second Access Network, and gateway is that second IAD is that example is described, referring to Fig. 5; The embodiment of the invention provides a kind of method of policy control, and concrete steps are following:
S501, user terminal send first connection and set up request message to target side second IAD.
User terminal sends first connection and sets up request message to target side second IAD; Said first connect set up request message specifically can be handoff request message, message data network (PDN, Packet Data Network) connect set up message, adhere to message, location update message, mobile IP registration bind-request message, address assignment request message or the like.
S502, second IAD have policy control functions, as BBERF, send the session of gateway policy control to policy decision entity and set up request message, and the session of said gateway policy control is set up and carried Access Network information in the request message.Said Access Network information specifically can be IAD identification information, positional information, specifically can offer policy decision entity through the mode of cell, message.
S503, policy decision entity send the second gateway policy control session to second IAD and set up response message.
Policy decision entity receives the said gateway policy control session of second IAD transmission and sets up request message; The second gateway policy control session between the foundation and second IAD; This second gateway policy control session has comprised Access Network information, sends the second gateway policy control session and sets up response message to second IAD.The policy control rule (being pre-configured rule) that response message can be carried user default is set up in the said second gateway policy control session, and perhaps Business Stream and this Access Network information create-rule according to the current activation of user sends to second IAD.
The user totem information that policy decision entity can provide according to second IAD, IP address, message data network mark knowledge information etc. are associated with the data of having set up before the switching and insert and connect (data that insert through first Access Network insert and connect); Thereby obtain the current Business Stream information of user; But this moment, policy decision entity only provided the policy control rule of corresponding second Access Network to second IAD, and the policy control rule of corresponding second Access Network is not provided to data gateway.
S504, second IAD send second connection and set up request message to data gateway.
Second IAD sends second connection and sets up request message to data gateway; Said second connection is set up request message and has been comprised Access Network information; It specifically can be that request message, GTP bearer update request message, mobile IP registration bind-request message, PDP Context request message or the like are set up in GTP (GPRS Tunneling Protocol, general packet wireless service tunnel protocol) carrying that request message is set up in said second connection.
S505, data gateway send data to policy decision entity and insert connection strategy control session updates message, and said data insert in the connection strategy control session updates message and carried the second Access Network information.
It can be IP-CAN policy control session updates message or policing rule request message that the data that data gateway PCEF sends to policy decision entity insert connection strategy control session updates message, and said IP-CAN policy control session updates message or policing rule request message comprise the second Access Network information.The second Access Network information specifically can be one of IAD identification information, positional information, IAD BBERF switching indication or any combination, and wherein, the IAD identification information specifically can be access gateway address information, domain-name information or number information; The second Access Network information can offer policy decision entity through the mode of cell, sign, message or event report (Event Triggers), and policy decision entity judges according to the IAD identification information in this above-mentioned second Access Network information and positional information, IAD BBERF switching indication whether the BBERF of current use changes.
S506, policy decision entity insert the second Access Network information of carrying in the connection strategy control session updates message according to data; Generate the policy rule information of corresponding second Access Network, and send the access connection strategy control session that comprises this policy rule information to data gateway and reply.
The data that receive policy decision entity insert connection strategy control session updates message, according to the second Access Network information in the message, and the gateway policy control session of related second Access Network, the i.e. second gateway policy control session.Related concrete mode can be: policy decision entity has obtained the Access Network information and the session of corresponding gateway policy control of first Access Network at first Access Network; In step 502,503, obtained the Access Network information of second Access Network; For example the IAD identification information is or/and positional information; The second Access Network information that provides according to step 505 subsequently; Mate with the Access Network information of preserving in the policy decision entity; The corresponding gateway policy control session of the information that matches is the gateway policy control session that is associated with, the i.e. second gateway policy control session in this example, and with this second gateway policy control session as current gateway policy control session.Perhaps; The second gateway policy control session that policy decision entity is set up at step 502,503 back records is the gateway policy control session of up-to-date foundation; The IAD BBERF that provides according to step 505 subsequently switches indication, uses the newly-established second gateway policy control session as current gateway policy control session.
The information that is provided according to the second gateway policy control session; For example access network resource ability, access network type etc.; Policy decision entity generation strategy Rule Information; Then this policy rule information is included in access connection strategy control session and replys, promptly offer data gateway in IP-CAN policy control session updates response message or the policing rule response message.Policy decision entity also can send two message to data gateway, and one is that data insert connection strategy control session response message, and another is the policing rule PUSH message, provides rule after the renewal to data gateway.
At the second Access Network associating information that policy decision entity provides according to PCEF before the second gateway policy control session, after the step 503; Policy decision entity has been set up the second gateway policy control session; Policy decision entity is because a variety of causes (for example application server triggering) needs the decision strategy rule; And when giving PCEF with rule downloading, the first Access Network information that policy decision entity still uses the first original gateway policy control session to be provided is come the decision strategy rule.Up to the second Access Network associating information that provides according to PCEF to the gateway policy control session (the second gateway policy control session) of second Access Network afterwards, the second Access Network information that policy decision entity brings into use the second gateway policy control session of second Access Network to provide is done strategic decision-making.
S507, data gateway send second connection and set up response message to second IAD, and expression connects sets up completion.
S508, second IAD send first connection and set up response message to user terminal, and expression connects sets up completion.
Wherein, step 508 also can be parallel with the process of step 502-507, promptly do not have precedence relationship between them.
The embodiment of the invention is sent the second Access Network information through data gateway to policy decision entity; Policy decision entity carries out association through the second Access Network information that receives; Obtain the second corresponding gateway policy control session of second IAD; Make policy decision entity can correctly judge the current actual Access Network that uses, and provide policing rule that should Access Network to data gateway.
Embodiment three
Referring to Fig. 6, in the present embodiment, source first IAD is as BBERF, and target side second IAD is not made policy control, and data gateway is as PCEF.The user has set up the data of visiting certain message data network at first Access Network and has inserted connection, and this connects through first IAD and data gateway.Wherein, First IAD and policy decision entity have been set up the first gateway policy control session; The data of having set up data gateway and policy decision entity insert connection strategy control session, come common these data of control to insert the service quality that connects, and perhaps also comprise charging.Subsequently, user terminal because the position move etc. former thereby need switching access networks, thereby cause the IAD change.In the present embodiment, be first Access Network with the source Access Network, gateway is first IAD; The target side Access Network is second Access Network; Gateway is that second IAD is that example describes, and the embodiment of the invention provides a kind of method of policy control, and concrete steps are following:
S601, user terminal send first connection and set up request message to target side second IAD.
What second IAD received that said user terminal sends first connects and sets up request message, said first connect set up request message specifically can be handoff request message, PDN connect set up message, adhere to message, location update message, mobile IP registration bind-request message, address assignment request message or the like.
S602, second IAD send second connection and set up request message to data gateway.
Said second connection is set up request message and has been comprised Access Network information, and said Access Network information specifically can be one of IAD identification information, positional information or its combination in any, specifically can offer policy decision entity through the mode of cell, message.It specifically can be that request message, GTP bearer update request message, mobile IP registration bind-request message, PDP Context request message or the like are set up in the GTP carrying that request message is set up in said second connection.
The data of sending S603, data gateway insert connection strategy control session updates message and give policy decision entity, and said data insert in the connection strategy control session updates message and carried the second Access Network information.
For example, data gateway PCEF sends IP-CAN policy control session updates message or the policing rule request message is given policy decision entity, and said IP-CAN policy control session updates message or policing rule request message comprise the second Access Network information.The second Access Network information specifically can be one of IAD identification information, positional information, IAD BBERF switching indication or any combination; Specifically can offer policy decision entity through the mode of cell, sign, message or event report, policy decision entity judges according to the IAD identification information in the above-mentioned second Access Network information and positional information, IAD BBERF switching indication whether the BBERF of current use changes.
S604, policy decision entity insert the second Access Network information that comprises in the connection strategy control session updates and reply to the data access connection strategy control session that the data gateway transmission comprises policing rule message according to data.
Policy decision entity receives request message, according to the second Access Network information in the message, judges the gateway policy control session that does not re-use first Access Network, i.e. the first gateway policy control session.Concrete judgment mode can be: policy decision entity has obtained the first Access Network information and the session of corresponding gateway policy control at first Access Network; Because second IAD is not made policy control; The second Access Network information that provides according to step 505; Mate with the Access Network information of the gateway policy control session of preserving in the policy decision entity; Coupling perhaps judges there is not the session of newly-established gateway policy control according to switching indication less than the session of the corresponding gateway policy control of second Access Network.
Owing to there is not the session of corresponding gateway policy control; Policy decision entity is according to the second Access Network information that data gateway provided; For example Internet resources ability, access network type etc.; The generation strategy Rule Information sends data access connection strategy control session to data gateway subsequently and replys, and promptly in IP-CAN policy control session response message or policing rule response message, offers data gateway to this policing rule.Policy decision entity also can send two message to data gateway, and one is that data insert connection strategy control session response message, and another is the policing rule PUSH message, provides rule after the renewal to data gateway.
The second Access Network information that provides according to PCEF at policy decision entity judge do not re-use first Access Network gateway policy control session (i.e. the first gateway policy control session) before; Policy decision entity is because a variety of causes (for example application server triggering); Need the decision strategy rule; And when giving PCEF with this decision strategy rule downloading, the Access Network information that policy decision entity still uses the gateway policy control session of first Access Network to be provided is come the decision strategy rule.After the second Access Network information that provides according to PCEF judged do not re-use the first gateway policy control session of source Access Network, the Access Network information that policy decision entity begins only to use the IP-CAN policy control session of PCEF to provide was done strategic decision-making.
S605, data gateway send second connection and set up response message to second IAD, and expression connects sets up completion.
S606, second IAD send first connection and set up response message, and expression connects to set up to be accomplished.
Wherein, step S606 also can be parallel with step S602-S605, promptly do not have precedence relationship between them.
The embodiment of the invention is sent the second Access Network information through data gateway to policy decision entity; Policy decision entity carries out association through the second Access Network information that receives; Make policy decision entity can correctly judge the current actual Access Network that uses; When not obtaining related gateway policy control session,, and provide policing rule that should second Access Network to data gateway according to the policing rule of the second corresponding Access Network of the information decision of second Access Network.
Embodiment four
Referring to Fig. 7, in the present embodiment, source first IAD is not made policy control, and target side second IAD is as BBERF, and data gateway is as PCEF.The user has set up the data of visiting certain message data network at first Access Network and has inserted connection, and this connects through first IAD and data gateway.The user has set up the data of visiting certain message data network at first Access Network and has inserted connection, and this connects through first IAD and data gateway.Wherein, data gateway and policy decision entity have been set up data and have been inserted connection strategy control session, control these data and insert the service quality that connects, and perhaps also comprise charging.Subsequently, user terminal because the position move etc. former thereby need switching access networks, thereby cause the IAD change.In the present embodiment, be first Access Network with the source Access Network, gateway is first IAD; The target side Access Network is second Access Network; Gateway is that second IAD is that example describes, and the embodiment of the invention provides a kind of method of policy control, and concrete steps are following:
S701, user terminal send first connection and set up request message to target side second IAD.
What second IAD received that said user terminal sends first connects and sets up request message, said first connect set up request message specifically can be handoff request message, PDN connect set up message, adhere to message, location update message, mobile IP registration bind-request message, address assignment request message or the like.
S702, second IAD have policy control functions; As BBERF; Send the session of gateway policy control to policy decision entity and set up request message; The session of said gateway policy control is set up and is carried Access Network information in the request message, and the said second Access Network information specifically can be IAD identification information, positional information, specifically can offer policy decision entity through the mode of cell, message.
S703, policy decision entity send the session of gateway policy control and set up response message to second IAD.
Request message among the policy decision entity receiving step S702, the second gateway policy control session between the foundation and second IAD is sent the session of gateway policy control and is set up response message to second IAD.The policy control rule (being pre-configured rule) that response message can be carried user default is set up in the session of said gateway policy control, and perhaps Business Stream and this Access Network information create-rule according to the current activation of user sends to second IAD.The user totem information that policy decision entity can provide according to second IAD, IP address, message data network mark knowledge information etc. are associated with the data of having set up before the switching and insert and connect (data that insert through first Access Network insert and connect); Thereby obtain the current Business Stream information of user; But this moment, policy decision entity only provided the policy control rule of corresponding second Access Network to second IAD, and the policy control rule of corresponding second Access Network is not provided to data gateway.
S704, second IAD send first connection and set up response message to user terminal.
Second IAD sends first connection and sets up response message to user terminal, and expression connects sets up completion.
Wherein, step S704 also can be parallel with step S705-S708 process, promptly do not have precedence relationship between them.
S705, second IAD send second connection and set up request message to data gateway.
Second IAD sends second connection and sets up request message to data gateway; Said second connection is set up request message and has been comprised Access Network information; It specifically can be that request message is set up in the GTP carrying that request message is set up in said second connection; GTP bearer update request message, mobile IP registration bind-request message, PDP Context request message or the like.
The data of sending S706, data gateway PCEF insert connection strategy control session updates message and give policy decision entity, and said data insert in the connection strategy control session updates message and comprised the second Access Network information.
For example, data gateway PCEF sends IP-CAN policy control session updates message or the policing rule request message is given policy decision entity, and said IP-CAN policy control session updates message or policing rule request message comprise the second Access Network information.The said second Access Network information specifically can be that IAD identification information and positional information, IAD BBERF switch a kind of or any combination in the indication; Specifically can offer policy decision entity through the mode of cell, sign, message or event report, policy decision entity judges according to the IAD identification information in the above-mentioned second Access Network information and positional information, IAD BBERF switching indication whether BBERF changes.
S707, policy decision entity insert the second Access Network information that comprises in the connection strategy control session updates message and insert connection strategy control session response message to the data that data gateway sends the policing rule that comprises corresponding second Access Network according to data.
The data that receive policy decision entity insert connection strategy control session updates message; According to the target side Access Network information in the message; The gateway policy control session of associated objects side, related concrete mode can be: in step 702,703, obtained the Access Network information of second Access Network, for example the IAD identification information is or/and positional information; The second Access Network information that provides according to step 705 subsequently; Mate with the Access Network information of preserving in the policy decision entity, match the second gateway policy control session, with this second gateway policy control session as current gateway policy control session.Perhaps; The second gateway policy control session that policy decision entity is set up at step 702,703 back records is the gateway policy control session of up-to-date foundation; The IAD BBERF that provides according to step 705 subsequently switches indication, uses the newly-established second gateway policy control session as current gateway policy control session.
The information that policy decision entity is provided according to the second gateway policy control session; For example access network resource ability, access network type etc.; The generation strategy Rule Information; Send the data that comprise this policy rule information to data gateway and insert connection strategy control session response message, promptly in IP-CAN policy control session updates response message or policing rule response message, offer data gateway to this policy rule information.Policy decision entity also can send two message to data gateway; One is the related information that data insert connection strategy control session response message and session of gateway policy control and the session of IP-CAN policy control; Another is the policing rule PUSH message, provides rule after the renewal to data gateway.
Before the target side Access Network associating information that policy decision entity provides according to PCEF arrives the gateway policy control session of target side; After the step S703; It is the gateway policy control session (the second gateway policy control session) that policy decision entity has been set up target side; Policy decision entity is because a variety of causes (for example application server triggering); Need decision strategy rule, and when being handed down to PCEF, the Access Network information that policy decision entity still uses original gateway policy control session (i.e. the first gateway policy control session) to be provided comes decision strategy regular.Afterwards, the Access Network information that policy decision entity brings into use the second gateway policy control session to provide is done strategic decision-making to the gateway policy control session (i.e. the second gateway policy control session) of target side up to the target side Access Network associating information that provides according to PCEF.
S708, data gateway send second connection and set up response message to second IAD, and expression connects sets up completion.
The embodiment of the invention is sent the second Access Network information through data gateway to policy decision entity; Policy decision entity carries out association through the second Access Network information that receives; Obtain the corresponding second gateway policy control session of second IAD; Make policy decision entity can correctly judge the current actual Access Network that uses, and provide policing rule that should Access Network to data gateway.
Embodiment five
Referring to Fig. 8, present embodiment is described the multi-mode user terminal and is carried out under the situation of data service the method for policy control having multiple access network to insert simultaneously to connect.Wherein, first IAD is as BBERF1, and second IAD is as BBERF2, and data gateway is as PCEF.The user has set up the data of visiting certain message data network at first Access Network and has inserted connection, and this connects through first IAD and data gateway.Wherein, First IAD and policy decision entity have been set up the first gateway policy control session; The data of having set up data gateway and policy decision entity insert connection strategy control session, come common these data of control to insert the service quality that connects, and perhaps also comprise charging.Subsequently, user terminal has inserted another Access Network again because of service needed, thereby can carry out data service simultaneously at a plurality of Access Networks.For example, carry out video traffic, carry out data download service through the WiMax network simultaneously through the E-UTRAN network.The embodiment of the invention provides a kind of method of policy control, and concrete steps are following:
S801, user terminal send first connection and set up request message to second IAD.
Second IAD receives first and connects and sets up request message, message specifically can be PDN connect set up message, adhere to message, mobile IP registration bind-request message, address assignment request message or the like.
S802, second IAD have policy control functions; As BBERF; Send the session of gateway policy control to policy decision entity and set up request message; The session of said gateway policy control is set up and is carried Access Network information in the request message, and said Access Network information specifically can be IAD identification information, positional information, specifically can offer policy decision entity through the mode of cell, message.
S803, policy decision entity send the session of gateway policy control to second IAD and set up response message.
Policy decision entity receives the said gateway policy control session of second IAD transmission and sets up request message; The second gateway policy control session between the foundation and second IAD is sent the session of gateway policy control and is set up response message to second IAD.The policy control rule (being pre-configured rule) that response message can be carried user default is set up in the session of said gateway policy control, and perhaps Business Stream and this Access Network information create-rule according to the current activation of user sends to second IAD.The user totem information that policy decision entity can provide according to second IAD, IP address, message data network mark knowledge information etc. are associated with the data of having set up and insert and connect, thereby obtain the current Business Stream information of user.
S804, second IAD send second connection and set up the data gateway that request message is given the current use of user.
Second IAD sends second connection and sets up the data gateway that request message is given the current use of user, and it specifically can be that request message, GTP bearer update request message, mobile IP registration bind-request message, PDP Context request message or the like are set up in the GTP carrying that request message is set up in said second connection.
The data of sending S805, data gateway insert connection strategy control session updates message and give policy decision entity, and said data insert in the connection strategy control session updates message and comprised the second Access Network information.
For example, data gateway PCEF sends IP-CAN policy control session updates message or the policing rule request message is given policy decision entity, and said IP-CAN policy control session updates message or policing rule request message comprise the second Access Network information.The second Access Network information also can be sent separately or carried transmission by other message.Access Network information specifically can be IAD identification information, positional information, specifically can offer policy decision entity through the mode of cell, message.
S806, policy decision entity insert the second Access Network information that comprises in the connection strategy control session updates message according to data, send the access connection strategy control session response message that comprises policy rule information to data gateway.
The data that receive policy decision entity insert connection strategy control session updates message, insert the second Access Network information in the connection strategy control session updates message, the related gateway policy control session of using, the i.e. second gateway policy control session according to said data.Related concrete mode can be: policy decision entity has obtained the Access Network information of first Access Network at first Access Network; Policy decision entity has obtained the Access Network information of second Access Network in step 802,803; For example the IAD identification information is or/and positional information; The second Access Network information that provides according to step S805 is subsequently mated with the Access Network information of preserving in the policy decision entity, matches the second gateway policy control session of previous foundation.
The information that is provided according to the second gateway policy control session; For example access network resource ability, access network type etc.; Policy decision entity generation strategy Rule Information; Then this policy rule information is replied in access connection strategy control session, promptly offer data gateway in IP-CAN policy control session updates response message or the policing rule response message.Policy decision entity also can send two message to data gateway, and one is that data insert connection strategy control session response message, and another is the policing rule PUSH message, provides rule after the renewal to data gateway.
S807, data gateway send second connection and set up response message to second IAD, and expression connects sets up completion.
S808, second IAD send first connection and set up response message to user terminal, and expression connects sets up completion.
Wherein, step S808 also can be parallel with the process of step S802-S807 and step S804-S807, promptly do not have precedence relationship between them.
After this; The policy control rule downloading that policy decision entity generates corresponding first Access Network according to the customer service stream information is to data gateway; Comprise the first Access Network information, data gateway PCEF connects the data of this rule application to corresponding first Access Network according to the first Access Network information; Equally; The policy control rule downloading that policy decision entity generates corresponding second Access Network according to the customer service stream information is to data gateway; Comprise the second Access Network information, data gateway PCEF connects the data of this rule application to corresponding second Access Network according to the second Access Network information.Otherwise; During data gateway PCEF active request policy control rule; First Access Network is provided or/and the second Access Network information, policy decision entity according to first Access Network or/and the corresponding gateway control strategy session of the second Access Network associating information, the generation strategy control law; Be handed down to data gateway, also can be handed down to corresponding IAD.
Here need to prove that the data gateway among the above embodiment one to embodiment five all can be PCEF, also all can be PEP.
The embodiment of the invention is sent the second Access Network information through data gateway to policy decision entity; Policy decision entity carries out association through the second Access Network information that receives; Obtain the second corresponding gateway policy control session of second IAD; Make policy decision entity can correctly judge the current actual Access Network that uses, and provide policing rule that should Access Network to data gateway.
Embodiment six
Referring to Fig. 9, the embodiment of the invention provides a kind of mobile packet network system, and this system comprises:
Referring to Figure 10, wherein data gateway 903 can comprise:
Receiving element 903a is used for receiving the said second Access Network information from second IAD;
Information transmitting unit 903b is used for sending the second Access Network information to policy decision entity 904;
Policy rule information acquiring unit 903c, be used to receive policy decision entity 904 that send with the corresponding policy rule information of the said second Access Network information.
Referring to Figure 11, policy decision entity 904 can comprise:
Policing rule generation unit 904c is used for information or the said second Access Network information generation strategy Rule Information according to the gateway policy control session that is associated with;
Policing rule transmitting element 904d is used for sending the corresponding policy rule information that said policing rule generation unit 904c generates to said data gateway 903.
Referring to Figure 12, policy decision entity 904 can also comprise:
As a kind of execution mode, the said second Access Network information comprises IAD identification information and/or positional information; Said associative cell 904b specifically comprises:
Matching module is used for the Access Network information of the IAD identification information of the said second Access Network information and/or positional information and the gateway policy control session of having set up is mated; When said policy decision entity 904 matched the gateway policy control session of Access Network information correspondence, this gateway policy control session was the gateway policy control session that is associated with.
As another kind of execution mode, the said second Access Network information comprises IAD identification information and/or positional information; Said associative cell 904b specifically comprises:
Matching module, the Access Network information of the IAD identification information of the second Access Network information that is used for said data gateway 903 is sent and/or positional information and the gateway policy control session of having set up is mated; Said policy decision entity 904 does not match the corresponding gateway policy control session of Access Network information.
As another kind of execution mode, the said second Access Network information comprises IAD and switches indication; Said associative cell 904b specifically comprises:
Update module is used for the switching indication according to the second Access Network information of said data gateway 903 transmissions, uses newly-established gateway policy control session as the gateway policy control session that is associated with; According to the said gateway policy control session information generation strategy Rule Information that is associated with.
The embodiment of the invention is sent the second Access Network information through data gateway to policy decision entity; Policy decision entity carries out association through the second Access Network information that receives; Obtain the current actual Access Network that uses; And, provide policing rule that should Access Network to data gateway according to results associated.
The embodiment of the invention can utilize software to realize that corresponding software programs can be stored in the storage medium that can read, for example, and in the hard disk of router, buffer memory or the CD.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the method for a policy control has been set up data with first Access Network at user terminal and has been connected, and need it is characterized in that when second Access Network is set up data and is connected, and may further comprise the steps:
Policy decision entity receives the second Access Network information that data gateway sends;
Said policy decision entity is according to the said second Access Network associating information gateway policy control session, according to the information or the said second Access Network information generation strategy Rule Information of the gateway policy control session that is associated with;
Said policy decision entity sends said policy rule information to said data gateway;
Wherein, said policy decision entity is according to the said second Access Network associating information gateway policy control session, and information or the said second Access Network information generation strategy Rule Information according to the gateway policy control session that is associated with specifically comprise:
Said policy decision entity matees the said second Access Network information and the Access Network information of the gateway policy control session of having set up; When said policy decision entity matched the gateway policy control session of Access Network information correspondence, this gateway policy control session was the gateway policy control session that is associated with; According to the said gateway policy control session information generation strategy Rule Information that is associated with.
2. the method for policy control according to claim 1 is characterized in that, when the IAD of said second Access Network was put as policy control, the second Access Network information that said policy decision entity receives the data gateway transmission also comprised before:
The second gateway policy control session between the IAD of said policy decision entity foundation and said second Access Network; The Access Network information that writes down the said second gateway policy control session and comprise, or to write down the said second gateway policy control session be the session of newly-established gateway policy control.
3. the method for policy control according to claim 1 is characterized in that, the said second Access Network information is: IAD identification information, positional information, IAD BBERF switch one of indication or any combination.
4. policy control method according to claim 1 and 2; It is characterized in that; Said policy decision entity is according to the said second Access Network associating information gateway policy control session; Information or the said second Access Network information generation strategy Rule Information according to the gateway policy control session that is associated with specifically comprise:
Said policy decision entity matees the second Access Network information that said data gateway sends with the Access Network information of the gateway policy control session of having set up;
Said policy decision entity does not match the corresponding gateway policy control session of Access Network information;
Said policy decision entity is according to the said second Access Network information generation strategy Rule Information.
5. policy control method according to claim 1 and 2; It is characterized in that; The said second Access Network information comprises IAD BBERF and switches indication; Said policy decision entity is according to the said second Access Network associating information gateway policy control session, and information or the said second Access Network information generation strategy Rule Information according to the gateway policy control session that is associated with specifically comprise:
Said policy decision entity switches indication according to the IAD BBERF that said data gateway sends, and uses newly-established gateway policy control session as the gateway policy control session that is associated with; According to the said gateway policy control session information generation strategy Rule Information that is associated with; Perhaps stop using the gateway policy control session that before had been associated with; According to the said second Access Network information generation strategy Rule Information.
6. a policy decision entity is characterized in that, said policy decision entity comprises:
Information receiving unit is used to receive the second Access Network information that data gateway sends, and the said second Access Network information comprises IAD identification information and/or positional information;
Associative cell is used for according to the said second Access Network associating information gateway policy control session;
The policing rule generation unit is used for information or the said second Access Network information generation strategy Rule Information according to the gateway policy control session that is associated with;
The policing rule transmitting element is used for sending the corresponding policy rule information that said policing rule generation unit generates to said data gateway;
Wherein, said associative cell specifically comprises:
Matching module is used for the Access Network information of the IAD identification information of the said second Access Network information and/or positional information and the gateway policy control session of having set up is mated; When said policy decision entity matched the gateway policy control session of Access Network information correspondence, this gateway policy control session was the gateway policy control session that is associated with.
7. policy decision entity according to claim 6 is characterized in that, said policy decision entity also comprises:
The unit is set up in the session of gateway policy control; Be used for when the IAD of Access Network is put as policy control; Gateway policy control session between foundation and the said IAD; The Access Network information that writes down the session of said gateway policy control and comprise, or to write down the session of said gateway policy control be the session of newly-established gateway policy control.
8. according to claim 6 or 7 described policy decision entities, it is characterized in that the said second Access Network information also comprises IAD and switches indication; Said associative cell also specifically comprises:
Update module is used for the switching indication according to the second Access Network information of said data gateway transmission, uses newly-established gateway policy control session as the gateway policy control session that is associated with; According to the said gateway policy control session information generation strategy Rule Information that is associated with.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101290595A CN101616143B (en) | 2008-06-23 | 2008-06-23 | Policy control method, system, data gateway and policy decision entity |
| PCT/CN2009/072208 WO2009155825A1 (en) | 2008-06-23 | 2009-06-10 | Policy control method, system, data gateway and policy decision entity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101290595A CN101616143B (en) | 2008-06-23 | 2008-06-23 | Policy control method, system, data gateway and policy decision entity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101616143A CN101616143A (en) | 2009-12-30 |
| CN101616143B true CN101616143B (en) | 2012-11-21 |
Family
ID=41444014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101290595A Active CN101616143B (en) | 2008-06-23 | 2008-06-23 | Policy control method, system, data gateway and policy decision entity |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101616143B (en) |
| WO (1) | WO2009155825A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102196396B (en) * | 2010-03-01 | 2015-10-21 | 中兴通讯股份有限公司 | The method of consumption Monitoring and Controlling and policy control and charging regulation function entity |
| CN102378304A (en) * | 2010-08-23 | 2012-03-14 | 华为终端有限公司 | Policy information obtaining method, policy information providing method and communication system |
| CN102710629B (en) | 2012-05-28 | 2015-08-12 | 中兴通讯股份有限公司 | Method for connecting network and system |
| CN107734030B (en) * | 2017-10-13 | 2018-10-30 | 贵州白山云科技有限公司 | A kind of cloud monitoring system and its control method |
| CN108768724B (en) * | 2018-05-30 | 2021-11-16 | 上海顺舟智能科技股份有限公司 | Gateway control method and intelligent gateway |
| CN112087815B (en) * | 2019-06-13 | 2023-03-10 | 华为技术有限公司 | Communication method, device and system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101166109A (en) * | 2006-10-20 | 2008-04-23 | 华为技术有限公司 | A method and system for managing default carrier parameters |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101127694B (en) * | 2006-08-18 | 2011-04-20 | 华为技术有限公司 | A system and method for implementing policy and billing control |
-
2008
- 2008-06-23 CN CN2008101290595A patent/CN101616143B/en active Active
-
2009
- 2009-06-10 WO PCT/CN2009/072208 patent/WO2009155825A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101166109A (en) * | 2006-10-20 | 2008-04-23 | 华为技术有限公司 | A method and system for managing default carrier parameters |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101616143A (en) | 2009-12-30 |
| WO2009155825A1 (en) | 2009-12-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101938787B (en) | Method and device for switch controlling | |
| CN101388836B (en) | Method, related device and system for obtaining IP access session policy control information | |
| EP1206098B1 (en) | Home agent and IP packet transferring method | |
| CN101677470B (en) | Processing method, device and system of service request | |
| CN101616143B (en) | Policy control method, system, data gateway and policy decision entity | |
| CN101730072B (en) | Packet data web gateway identification saving method and system in multi-access scene | |
| CN101662804B (en) | Mobile terminal device and communication method thereof | |
| CN109729181A (en) | A kind of method for accessing domain name and equipment | |
| CN101895525B (en) | Multi-access data connection management method, system and related equipment | |
| CN101183958A (en) | Charging control method, charging center and related equipment | |
| CN102138316A (en) | System and method of serving gateway having mobile packet protocol application-aware packet management | |
| CN101507333A (en) | Intersystem change involving mapping between different types of radio bearers | |
| CN101588326B (en) | Method, devcie and system for associating gateway controlled conversation with Gx conversation | |
| CN102238149A (en) | Method, device and system for terminal to access to services | |
| CN103517252A (en) | Packet gateway identification information updating method, AAA server and packet gateway | |
| CN102143062A (en) | Policy and charging rule function addressing method, device and system | |
| CN101772193A (en) | Method, system and mobile access gateway for optimizing local routing | |
| CN102893638A (en) | Method of obtaining service gateway, mobile management node, data gateway and system | |
| CN101854734B (en) | Method, device, strategic control entity and system for releasing switch-in connection | |
| CN101557646A (en) | Load creating method, service gateway and mobility management entity | |
| CN102036304A (en) | Method for providing maximum transmission unit length for terminal and packet switch gateway | |
| CN101330720A (en) | Method for processing access user, user access system and equipment | |
| CN102036185B (en) | Equipment group management method, network node and communication system | |
| CN101621786B (en) | Method, device and system for bearer update | |
| CN101360097B (en) | Method, network and network element for forwarding packet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |