CN104053139A - Method and device for processing policy control and charging information - Google Patents
Method and device for processing policy control and charging information Download PDFInfo
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Abstract
The embodiment of the invention provides a method and device for processing policy control and charging (PCC) information. The method comprises the steps that after handover process is completed, a packet gateway (PGW) receives a re-authentication request (RAR) message sent by a policy and charging rules function (PCRF), wherein the RAR message comprises new PCC information and the PCRF is used for finding the new PCC information in the handover process and generating the RAR message based on the PCC information; the PGW conducts bearing binding on the new PCC information; the PGW starts corresponding bearing processing according to a bearing binding result; the PGW generates a re-authentication answering (RAA) message for the RAR message according to a bearing processing result and sends the RAA message to the PCRF. By the adoption of the method and device for processing the PCC information, the message processing procedure is clear, inner special processing procedures in the PGW are reduced, the PGW processing complicity is reduced, and development and maintenance by workers are facilitated.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of processing unit of processing method and a kind of dynamic strategy charging control PCC information of dynamic strategy charging control PCC information.
Background technology
Along with the development of mobile Internet, the user of mobile data services is more and more, flow is increasing, and user is in the time using mobile data services, user's positional information is constantly changing, this just requires charge system to carry out the policy control based on business according to the strategy of operator and user's demand, and can realize the switching to different business data flow.
At present, as user UE (User Equipment, subscriber equipment) positional information change time, send in switching flow, PGW (Packet Gateway, packet data gateway) receive after handover request message, to PCRF (Policy and Charging Rules Function, policy charging rule functional entity) transmission IP-CAN (IP-Connectivity Access Network, IP connected reference network) session (session) amendment message CCR (Credit-Control-Requests, account management request), this user UE positional information of notice PCRF changes.PCRF to this CCR Message Processing after, response CCA (Credit-Control-Answer, account management response).PCRF can be according to current this user UE positional information, in CCA, carry and issue new PCC (Policy Control and Charging, dynamic strategy charging control) policy information, comprise Qos (Quality of Service, service quality) information and PF (Packet filter, packet filter) information.For the CCA that has carried new PCC policy information, PGW need to process this new PCC policy information by bearing binding process.
But, new PCC policy information PCRF in switching flow issues, and according to 29274 protocol requirements, switch message can not knapsack carrying set up or new technological process more, that is: can not trigger load creating or renewal for PGW switching flow simultaneously, PGW cannot process switching flow and new PCC policy information simultaneously, therefore, new PCC policy information needs first buffer memory, and it is too many to process when buffer memory special processing branch, cause the Message Processing of PGW network element very complicated, there is no orderliness, cause staff's workload to strengthen.
Therefore, need at present the urgent technical problem solving of those skilled in the art to be exactly: processing method and device that a kind of dynamic strategy charging control PCC information is provided, with so that message flow process orderliness clear, reduce the special processing process of PGW inside, reduce PGW and process complexity, be convenient to staff's exploitation and safeguard.
Summary of the invention
Embodiment of the present invention technical problem to be solved is to provide a kind of processing method of dynamic strategy charging control PCC information, with so that message flow process orderliness clear, reduce the special processing process of PGW inside, reduce PGW and process complexity, be convenient to staff's exploitation and safeguard.
Accordingly, the embodiment of the present invention also provides a kind of processing unit of dynamic strategy charging control PCC information, in order to ensure the implementation and application of said method.
In order to address the above problem, the invention discloses a kind of processing method of dynamic strategy charging control PCC information, comprising:
After switching flow completes, packet data gateway PGW receives the RAR of the authentication request again message that policy charging rule functional entity PCRF sends; Described RAR message comprises new dynamic strategy charging control PCC information; Described PCRF is for finding new PCC information at switching flow, and, according to described PCC Information generation RAR message;
Described new PCC information is carried out bearing binding by PGW;
PGW initiates corresponding carrying processing according to the result of described bearing binding;
PGW generates the RAA of the authentication response again message for described RAR message according to the result of described carrying processing, and described RAA message is sent to described PCRF.
Preferably, described switching flow comprises:
PGW receives the amendment carrying request that gateway SGW sends;
PGW generates account management request CCR according to described amendment carrying request, and sends described CCR to described PCRF; Described PCRF is for returning to account management response CCA for described CCR;
PGW receives the described CCA that described PCRF returns, and generates amendment carrying response according to described CCA, and sends described amendment carrying response to described SGW.
Preferably, the result of described bearing binding comprises described new PCC information is tied in existing carrying, and the step that described PGW initiates corresponding carrying processing according to the result of described bearing binding comprises:
Described PGW sends more new bearer request to described SGW; Described SGW is for generate more new bearer response according to described more new bearer request, and more new bearer response described in returning to described PGW;
Described PGW receives the more new bearer response that described SGW returns.
Preferably, it is upper that the result of described bearing binding comprises that described PCC information is not tied to carrying, and the processing that described PGW initiates corresponding carrying processing according to the result of described bearing binding comprises:
Described PGW sends to described SGW the carrying request that creates; Described SGW generates to create for the described establishment carrying of foundation request and carries response, and returns to described establishment carrying response to described PGW;
Described PGW receives the establishment carrying response that described SGW returns.
In order to address the above problem, the invention also discloses a kind of processing method of dynamic strategy charging control PCC information, comprising:
In switching flow, policy charging rule functional entity PCRF finds new dynamic strategy charging control PCC information, and according to described new PCC Information generation authentication request RAR message again; Described RAR message comprises described new PCC information;
PCRF sends described RAR message to packet data gateway PGW; Described PGW is for after switching flow completes, described new PCC information is carried out to bearing binding, result according to described bearing binding is initiated corresponding carrying processing, generates the RAA of the authentication response again message for described RAR message according to the result of described carrying processing;
PCRF receives the RAA message that described PGW returns.
Preferably, described policy charging rule functional entity PCRF finds new dynamic strategy charging control PCC information, and comprises according to the described new PCC Information generation again step of authentication request RAR message:
Described policy charging rule functional entity PCRF receives the account management request CCR that described PGW sends; Described CCR comprises UE positional information;
PCRF reads preset table according to described UE positional information, finds described new PCC information;
PCRF generates account management response CCA according to described CCR;
PCRF sends described CCA to described PGW;
PCRF is according to described new PCC Information generation RAR message.
According to embodiments of the invention, a kind of processing unit of dynamic strategy charging control PCC information is disclosed, described device is positioned at packet data gateway PGW side, and described device comprises:
Again authentication request RAR message transmission module, after completing at switching flow, receives the RAR of the authentication request again message that policy charging rule functional entity PCRF sends; Described RAR message comprises new dynamic strategy charging control PCC information; Described PCRF is for finding new PCC information at switching flow, and, according to described PCC Information generation RAR message;
Bearing binding module, for carrying out bearing binding by described new PCC information;
Carrying processing module, initiates corresponding carrying processing for the result according to described bearing binding;
Again authentication response RAA message transmission module, generates the RAA of the authentication response again message for described RAR message according to the result of described carrying processing, and described RAA message is sent to described PCRF.
Preferably, described switching flow comprises:
Amendment carrying request receiving module, the amendment carrying request sending for receiving gateway SGW;
Account management request CCR sending module, for generating account management request CCR according to described amendment carrying request, and sends described CCR to described PCRF; Described PCRF is for returning to account management response CCA for described CCR;
Account management response CCA receives and amendment carrying response sending module, and the described CCA returning for receiving described PCRF, generates amendment carrying response according to described CCA, and sends described amendment carrying response to described SGW.
Preferably, the result of described bearing binding comprises described new PCC information is tied in existing carrying, and described carrying processing module comprises:
More new bearer request sends submodule, for sending more new bearer request to described SGW; Described SGW is for generate more new bearer response according to described more new bearer request, and more new bearer response described in returning to described PGW;
More new bearer response receives submodule, the more new bearer response of returning for receiving described SGW.
Preferably, it is upper that the result of described bearing binding comprises that described PCC information is not tied to carrying, and described carrying processing module comprises:
Create carrying request and send submodule, for send the carrying request that creates to described SGW; Described SGW generates to create for the described establishment carrying of foundation request and carries response, and returns to described establishment carrying response to described PGW;
Create carrying response and receive submodule, the establishment carrying response of returning for receiving described SGW.
According to embodiments of the invention, a kind of processing unit of dynamic strategy charging control PCC information is disclosed, described device is positioned at PCRF side, and described device comprises:
Again authentication request RAR message generating module, at switching flow, finds new dynamic strategy charging control PCC information, and according to described new PCC Information generation authentication request RAR message again; Described RAR message comprises described new PCC information;
RAR message transmission module, for sending described RAR message to packet data gateway PGW; Described PGW is for after switching flow completes, described new PCC information is carried out to bearing binding, result according to described bearing binding is initiated corresponding carrying processing, generates the RAA of the authentication response again message for described RAR message according to the result of described carrying processing;
Again authentication response RAA message sink module, the RAA message of returning for receiving described PGW.
Preferably, the described RAR of authentication request again message generating module comprises:
Account management request CCR receives submodule, the account management request CCR sending for receiving described PGW; Described CCR comprises UE positional information;
New PCC INFORMATION DISCOVERY submodule, for reading preset table according to described UE positional information, finds described new PCC information;
Account management response CCA generates submodule, for generate account management response CCA according to described CCR;
CCA sends submodule, for sending described CCA to described PGW;
RAR message generation submodule, for the described new PCC Information generation RAR message of foundation.
Compared with prior art, the embodiment of the present invention comprises following advantage:
The present invention is by switching flow, find new PCC information by PCRF, and carry new PCC information by RAR message, issue RAR message to PGW by PCRF, PGW triggers carrying and processes, and RAA message is returned to PCRF complete the processing to PCC information, can not need by PCC information cache, thereby can reduce the special processing process of PGW inside, the corresponding carrying of RAR message is set up or upgrades, can make message flow process orderliness clear, process complexity thereby reduce PGW, be convenient to staff's exploitation and safeguard.
Further, the present invention is by switching flow, PCRF does not carry new PCC information in response CCA, can make the corresponding switching flow of CCA, and do not refer and synthesize the process that carrying is processed, and therefore can make message flow process orderliness clear, reduce the special processing process of PGW inside, reduce PGW and process complexity, be convenient to staff's exploitation and safeguard.
Further, the present invention issues the RAR message of having carried new PCC information by PCRF, can make the PGW needn't this new PCC information of buffer memory in the time processing new PCC information, thereby can reduce the special processing process of PGW inside, simultaneously, the RAA message that reception PGW returns can confirm whether new PCC information finishes dealing with, and processes complexity thereby can reduce PGW, is convenient to staff's exploitation and safeguards.
Brief description of the drawings
Fig. 1 shows the schematic diagram of the network topology structure of the System Architecture Evolution (System Architecture Evolution, SAE) of Long Term Evolution (Long Term Evolution, LTE) network;
Fig. 2 shows in existing switching flow PGW handling process schematic diagram when PCRF issues New Policy;
Fig. 3 shows the flow chart of steps of the processing method embodiment 1 of a kind of dynamic strategy charging control PCC information of the present invention;
Fig. 4 shows the schematic flow sheet of the processing method of a kind of dynamic strategy charging control PCC information of the present invention;
Fig. 5 shows the flow chart of steps of the processing method embodiment 2 of a kind of dynamic strategy charging control PCC information of the present invention;
Fig. 6 shows the flow chart of steps of the processing method embodiment 3 of a kind of dynamic strategy charging control PCC information of the present invention;
Fig. 7 shows the flow chart of steps of the processing method embodiment 4 of a kind of dynamic strategy charging control PCC information of the present invention;
Fig. 8 shows the structured flowchart of the processing unit embodiment 1 of a kind of dynamic strategy charging control PCC information of the present invention;
Fig. 9 shows the structured flowchart of the processing unit embodiment 2 of a kind of dynamic strategy charging control PCC information of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
With reference to Fig. 1, Fig. 1 is Long Term Evolution (Long Term Evolution, LTE) System Architecture Evolution of network (System Architecture Evolution, the schematic diagram of network topology structure SAE), can show the interface between each equipment, for example: the interface between Serving gateway (SGW) and PDN Gateway (PGW) is S5.
Being described below of Gx interface:
The position of Gx interface in the schematic diagram of network topology structure is positioned at policy charging rule functional entity (PCRF) and policy and charging enforcement function entity (PCEF, be the submodule of PGW) between, for creating and delete PCC information and transport service face event.
The function that Gx interface is supported is as follows:
1) set up and safeguard connection (IP-CAN session);
2) from PCEF to PCRF, request PCC information;
3), from PCRF to PCEF, provide PCC information;
4) consult IP-CAN carrying and set up pattern (UE-only, UE/NW or NW-only);
5) stop connecting (IP-CAN session).
A PCC information can be made up of the sub-information of one or more dynamic strategy charging control PCC and IP-CAN attribute.
Being described below of the sub-information of dynamic strategy charging control PCC:
PCC information can comprise policy information control and for the correct charge information of each server data stream (Service Data Flow, SDF).This PCC information is for user plane data transfer and charging, and user face data is specified on a SDF by the SDF template of this PCC information.
PCC acting rules are as follows:
1) which server data stream is probe data packet belong to;
2) instruction SDF effect;
3) for SDF provides available billing parameter;
4) for SDF provides policy control;
Table 1 has been described the information that PCC information specifically comprises:
Table 1
PCC information can have three kinds of operations: activate, revise and delete.PCRF, by Gx interface, at any time can activate, revise or delete a PCC information.
The message of Gx interface is as follows:
Gx interface comprises two couples of message: CCR and CCA, RAR and RAA.
1)CCR
CCR is sent to PCRF by PCEF, and object is to be a carrying request PCC information, or, the dependent event of instruction carrying or PCC information, or, IP CAN carrying or IP CAN session stopped.
2)CCA
CCA can be the response message for CCR being sent to PCEF by PCRF.This CCA is used to carrying or session that PCC information and Event triggered (event triggers) are provided, and is used to IP-CAN session that the Bearer Control pattern of selection is provided.
3)RAR
RAR is sent to PCEF by PCRF, and Qos or PCC information are initiatively provided.This RAR is used for providing Qos or PCC information, Event triggered and indicates for session provides reporting events.
4)RAA
The response message for RAR that RAA is sent to PCRF by PCEF.
General switching flow, when PCRF issues New Policy, PGW handling process is as shown in Figure 2:
As shown in Figure 2, Modify bearer req is expressed as amendment carrying request, Modify bearer rsp is expressed as amendment carrying response, Creat/Updata bearer req is expressed as and creates or new bearer request more, Creat/Updata bearer rsp is expressed as and creates or more new bearer response, and CC-Request is expressed as account management request CCR, and CC-Answer is expressed as account management response CCA, CC-Answer can comprise PCC rules, and PCC rules is expressed as PCC information.
PGW receives the CCA message of PCRF, and this CCA message may be carried new PCC policy information.For new PCC policy information, PGW can not process at once at switching flow, need to compare the Qos in new policy information and old policy information, in the time that Qos changes, illustrate that PCRF has issued new PCC policy information, first this new PCC policy information of buffer memory of PGW.PGW completes after switching flow processing, be that PCRF responds handover success by CCA, all modules such as PGW device interior signaling plane, service surface and charging complete to switch to upgrade and finish, PGW equipment completes switching, respond SGW (Serving gateway, gateway) after handover success, then process the new PCC policy information of this buffer memory.
PGW receives load creating or more when new technological process, processes the new PCC policy information of this buffer memory, need to judge whether this flow process is PGW caching process process, and if so, PGW can not be mutual with PCRF again.This process PGW needs special processing, and normal PCRF trigger process and the new PCC policy information of caching process distinguish processing.
In addition, when switching flow failure, PGW need to carry out the rollback of flow process, notice PCRF handoff failure, PGW is different from other buffered message processing for the buffer memory of new PCC policy information simultaneously, and the new PCC policy information of buffer memory needs to delete, and other buffered message needs normal process.
One of core idea of the embodiment of the present invention is, in switching flow, when PCRF has found new PCC information, first return to CCA to PGW, and, in this CCA, do not carry this PCC information, CCA only does handoff response, and PCRF responds after CCA, directly trigger RAR, in this RAR, carry this PCC information, when PGW receives this RAR, trigger load creating or new technological process more by bearing binding.PCC information exchange is crossed RAR and is sent and do not send by CCA, can make handling process more clear, switching flow does handoff response, and does not need buffer memory PCC information, thereby can reduce the inner too much special processing process of PGW, reduce PGW and process complexity, process like this, message and other network element message front and back of EPC (Evolved Packet Core, the core net of 4G) of also making PCRF trigger are corresponding simultaneously, that is: the corresponding switching flow of CCA, the corresponding carrying of RAR is set up or upgrades.Like this, whole flow through a network is clear, is convenient to staff's exploitation and safeguards.
With reference to Fig. 3, show the flow chart of steps of the processing method embodiment 1 of a kind of dynamic strategy charging control PCC information of the present invention, specifically can comprise the steps:
Step 301, after switching flow completes, packet data gateway PGW receives the RAR of the authentication request again message that policy charging rule functional entity PCRF sends; Described RAR message comprises new dynamic strategy charging control PCC information;
Described PCRF is for finding new PCC information at switching flow, and, according to described PCC Information generation RAR message;
In actual applications, new PCC information can find by PCRF in switching flow, and according to this PCC Information generation RAR message, therefore, this RAR message carried this PCC information.
After switching flow completes, can directly trigger PCRF and send this RAR message to PGW, PGW can receive.
Step 302, described new PCC information is carried out bearing binding by PGW;
So-called bearing binding refers to this new PCC policy information is tied in certain carrying, if there is no corresponding carrying, creates new carrying, in new carrying, binds this new PCC policy information.Therefore, bearing binding process need triggering load creating or more new technological process.
In concrete enforcement, carry out bearing binding and can comprise two kinds of results, a kind of is that new PCC information is tied in certain carrying of having set up, another kind is that new PCC information is not to be tied in carrying, when corresponding carrying is set up,, while there is corresponding carrying, new PCC information can be tied in the carrying of this correspondence; In the time not there is not corresponding carrying, new PCC information does not have corresponding carrying in order to binding, needs to create new carrying, in new carrying, binds this PCC.
Step 303, PGW initiates corresponding carrying processing according to the result of described bearing binding;
As a kind of example of the concrete application of the present invention, when the result of bearing binding is new PCC information while being tied in certain carrying of having set up, PGW can initiate bearer update processing to SGW; When the result of bearing binding is that new PCC information is that while not being tied in carrying, PGW can initiate load creating processing to SGW.
Step 304, PGW generates the RAA of the authentication response again message for described RAR message according to the result of described carrying processing, and described RAA message is sent to described PCRF.
In concrete application, the result that carrying is processed can comprise bearer update or creates successfully with bearer update or create unsuccessfully, when bearer update or while creating successfully, PGW can generate successfully authentication response RAA message again, and can send this RAA message to PCRF.
The present invention is by switching flow, find new PCC information by PCRF, and carry new PCC information by RAR message, issue RAR message to PGW by PCRF, PGW triggers carrying and processes, and RAA message is returned to PCRF complete the processing to PCC information, can not need by PCC information cache, thereby can reduce the special processing process of PGW inside, the corresponding carrying of RAR message is set up or upgrades, can make message flow process orderliness clear, process complexity thereby reduce PGW, be convenient to staff's exploitation and safeguard.
For making those skilled in the art understand better the present invention, below in conjunction with concrete schematic flow sheet, embodiments of the present invention is further illustrated.
With reference to Fig. 4, show the schematic flow sheet of the processing method of a kind of dynamic strategy charging control PCC information of the present invention.
As shown in Figure 4, Modify bearer req is expressed as amendment carrying request, Modify bearer rsp is expressed as amendment carrying response, Creat/Updata bearer req is expressed as and creates or new bearer request more, Creat/Updata bearer rsp is expressed as and creates or more new bearer response, CC-Request is expressed as account management request CCR, CC-Answer is expressed as account management response CCA, Re-Auth-Request is expressed as authentication request RAR again, and Re-Auth-Answer is expressed as authentication response RAA again.
In concrete application, in the time that user UE positional information changes, SGW generates amendment carrying request Modify bearer req according to this UE positional information, and send this amendment carrying request to PGW, PGW receives after this amendment carrying request, generate corresponding account management request CCR (CC-Request), and send to PCRF, when PCRF receives IP-CAN session modification CCR message, if carried new UE positional information in message, and read preset table according to UE positional information, find that there is new PCC information, PCRF responds CCA (CC-Answer) to PGW, and in this CCA, do not carry this new PCC information, PGW receives after this CCA, generate the amendment carrying response Modify bearer rsp that this CCA is corresponding, and send to SGW, so far, switching flow completes, simultaneously, PCRF can be according to this new PCC Information generation RAR message.
After switching flow completes, PCRF sends this RAR message to PGW, because this RAR message has been carried this new PCC information, PGW receives after this RAR message, can trigger load creating or new technological process more by bearing binding, generate corresponding establishment or new bearer request Creat/Updata bearer req more according to the result of bearing binding, and send this establishment or new bearer request more to SGW, SGW receives this establishment or more after new bearer request, can obtain relevant beared information, then can reply corresponding establishment or new bearer response Creat/Updata bearer rsp more to PGW, PGW according to the establishment of this correspondence or more new bearer response generate again authentication response RAA (Re-Auth-Answer) message, and send to PCRF, complete the processing of new PCC information.
With reference to Fig. 5, show the flow chart of steps of the processing method embodiment 2 of a kind of dynamic strategy charging control PCC information of the present invention, specifically can comprise the steps:
Step 501, PGW receives the amendment carrying request that gateway SGW sends;
In actual applications, SGW can generate corresponding amendment carrying request according to user UE positional information, then sends to PGW, PGW to receive this amendment carrying request this amendment carrying request.
Step 502, PGW generates account management request CCR according to described amendment carrying request, and sends described CCR to described PCRF; Described PCRF is for returning to account management response CCA for described CCR; Described PCRF is for finding new PCC information at switching flow, and, according to described PCC Information generation RAR message;
In concrete enforcement, PGW receives after amendment carrying request, generate account management request CCR according to this amendment carrying request, and send this CCR to PCRF, when PCRF receives IP-CAN session modification CCR message, if carried new UE positional information in message, can read preset table according to this UE positional information and obtain new PCC information, then return to the account management response CCA for this CCR to PGW, and, control this CCA and do not carry this new PCC information.According to this new PCC Information generation RAR message, therefore, this RAR message can be carried this new PCC information.
It should be noted that, IP-CAN session (IP-CAN session) is associated between user terminal and IP network.The address of this association by the IP of terminal and can with Termination ID information identify.An IP-CAN session can comprise one or more IP-CAN carryings.The support of multiple IP-CAN carryings is depended on to the type of IP-CAN.As long as IP address of terminal maintains and is connected with IP network, IP-CAN session will exist always.
Step 503, PGW receives the described CCA that described PCRF returns, and generates amendment carrying response according to described CCA, and sends described amendment carrying response to described SGW.
As a kind of example of the concrete application of the present invention, PGW receives CCA, and this CCA does not carry new PCC information, therefore, can only do handoff response, not the process of caching process.Handoff response sends amendment carrying response to SGW, and PGW can generate after corresponding amendment carrying response according to CCA, sends to SGW, and switching flow also can complete.
The present invention is by switching flow, PCRF does not carry new PCC information in response CCA, can make the corresponding switching flow of CCA, and do not refer and synthesize carrying process process, therefore can make message flow process orderliness clear, reduce the special processing process of PGW inside, reduce PGW and process complexity, be convenient to staff's exploitation and safeguard.
Step 504, packet data gateway PGW receives the RAR of the authentication request again message that policy charging rule functional entity PCRF sends; Described RAR message comprises new dynamic strategy charging control PCC information;
In actual applications, after switching flow completes, be also PCRF by CCA response to PGW after, can directly trigger PCRF and send RAR message to PGW, PGW receives this RAR message.
Step 505, described new PCC information is carried out bearing binding by PGW; The result of described bearing binding comprises described new PCC information is tied in existing carrying;
In concrete enforcement, for new PCC information, can process by dedicated bearer, the principle of bearing binding can be, there is same services quality (Quality of Service, QoS) attribute (QoS grade instruction (QoSClass Identifier, and distribute and keep priority (Allocation Retention Priority QCI), ARP) SDF is tied in a carrying, in the time thering is the SDF not identical with the QoS attribute of any one carrying and need to carry out bearing binding for one, just need to create a new carrying and carry out this SDF of polymerization, in the time thering is the SDF identical with the QoS attribute of at least one carrying and need to carry out bearing binding for one, just this SDF can be tied in the carrying that one of them QoS attribute is identical.
In the present embodiment, suppose to exist the identical carrying of QoS attribute of at least one the PCC information new with this, this new PCC information can be tied in this existing carrying.
Step 506, described PGW sends more new bearer request to described SGW; Described SGW is for generate more new bearer response according to described more new bearer request, and more new bearer response described in returning to described PGW;
As a kind of example of the concrete application of the present invention, in the time that new PCC information is tied in existing carrying, can trigger the more handling process of new bearer, be that PGW generates more new bearer request, send it to SGW, SGW receives that this more after new bearer request, obtains relevant beared information, then can reply a more new bearer response to PGW; If the beared information obtaining is successfully response, SGW can reply successfully more new bearer response to PGW, otherwise SGW can reply more new bearer response unsuccessfully to PGW.
Step 507, described PGW receives the more new bearer response that described SGW returns.
In concrete application, PGW can receive success that SGW sends or the more new bearer response of failure, to determine that dedicated bearer can be to be updated successfully or to upgrade failure.
Step 508, PGW generates the RAA of the authentication response again message for described RAR message according to the result of described carrying processing, and described RAA message is sent to described PCRF.
In concrete enforcement, if SGW reply is successfully more new bearer response, PGW can, according to this successfully more new bearer response, generate successfully authentication response RAA message again, and this successful RAA message is sent to PCRF, and dedicated bearer is updated successfully;
If what SGW replied is failed more new bearer response, PGW can be according to the more new bearer response of this failure, the new authentication response RAA message of failed regeneration, and this failed RAA message is sent to PCRF, dedicated bearer upgrades unsuccessfully.
The present invention is by switching flow, find new PCC information by PCRF, and carry new PCC information by RAR message, issue RAR message to PGW by PCRF, PGW triggers carrying and processes, and RAA message is returned to PCRF complete the processing to PCC information, can not need by PCC information cache, thereby can reduce the special processing process of PGW inside, the corresponding carrying of RAR message is set up or upgrades, can make message flow process orderliness clear, process complexity thereby reduce PGW, be convenient to staff's exploitation and safeguard.
With reference to Fig. 6, show the flow chart of steps of the processing method embodiment 3 of a kind of dynamic strategy charging control PCC information of the present invention, specifically can comprise the steps:
Step 601, PGW receives the amendment carrying request that gateway SGW sends;
Step 602, PGW generates account management request CCR according to described amendment carrying request, and sends described CCR to described PCRF; Described PCRF is for returning to account management response CCA for described CCR; Described PCRF is for finding new PCC information at switching flow, and, according to described PCC Information generation RAR message;
Step 603, PGW receives the described CCA that described PCRF returns, and generates amendment carrying response according to described CCA, and sends described amendment carrying response to described SGW.
Step 604, packet data gateway PGW receives the RAR of the authentication request again message that policy charging rule functional entity PCRF sends; Described RAR message comprises new dynamic strategy charging control PCC information;
Step 605, described new PCC information is carried out bearing binding by PGW; The result of described bearing binding comprises that described PCC information is not tied in carrying;
In concrete application, in the time there is no the dedicated bearer corresponding with new PCC information, this new PCC fails to be tied to carrying above, need to create new carrying and bind.
Step 606, described PGW sends to described SGW the carrying request that creates; Described SGW generates to create for the described establishment carrying of foundation request and carries response, and returns to described establishment carrying response to described PGW;
As a kind of example of the concrete application of the present invention, in the time that decision-making goes out to need to create carrying, PGW sends and creates bearing request message to SGW, after SGW receives and creates bearing request message, can be mutual with MME, obtain relevant beared information, then can reply and create bearing response message to PGW; If what MME replied to SGW is successful response, SGW can reply and successfully create carrying response to PGW; Otherwise SGW can reply failed establishment carrying response to PGW.
Step 607, described PGW receives the establishment carrying response that described SGW returns.
In PGW side, the success that reception SGW returns or failed establishment carrying response, to determine whether carrying can create.
Step 608, PGW generates the RAA of the authentication response again message for described RAR message according to the result of described carrying processing, and described RAA message is sent to described PCRF.
In concrete enforcement, if SGW replys is successfully to create carrying response, PGW is just to successfully authentication response RAA message again of one of PCRF reply, and dedicated bearer creates successfully;
If what SGW replied is failure response, PGW just replys the RAA response of a failure to PCRF, and deletes the information of this carrying in example district, and dedicated bearer creates unsuccessfully.
The difference part of the present embodiment and said method embodiment 2 is, the present embodiment be when not have carrying with new PCC information at once, the processing procedure of triggering load creating, by creating this new PCC information of new bearing binding.
With reference to Fig. 7, show the flow chart of steps of the processing method embodiment 4 of a kind of dynamic strategy charging control PCC information of the present invention, specifically can comprise the steps:
Step 701, in switching flow, policy charging rule functional entity PCRF finds new dynamic strategy charging control PCC information, and according to described new PCC Information generation authentication request RAR message again; Described RAR message comprises described new PCC information;
In concrete application, PCRF side can be found new PCC information in switching flow, and generates RAR message, carries this PCC information in RAR message.
In a preferred embodiment of the present invention, described step 701 specifically can comprise following sub-step:
Sub-step S101, described policy charging rule functional entity PCRF receives the account management request CCR that described PGW sends; Described CCR comprises UE positional information;
Sub-step S102, PCRF reads preset table according to described UE positional information, finds described new PCC information;
Sub-step S103, PCRF generates account management response CCA according to described CCR;
Sub-step S104, PCRF sends described CCA to described PGW;
Sub-step S105, PCRF is according to described new PCC Information generation RAR message.
As a kind of example of the concrete application of the present invention, PCRF and PGW carry out alternately, when PCRF receives IP-CAN session modification CCR message, if carried new UE positional information in CCR message, and when reading preset table and find that there is new PCC information according to UE positional information, PCRF can not carry this new PCC information in response CCA, and CCA only does corresponding CCR response.Generate RAR message, adopt this RAR information to carry this new PCC information.
Step 702, PCRF sends described RAR message to packet data gateway PGW; Described PGW is for after switching flow completes, described new PCC information is carried out to bearing binding, result according to described bearing binding is initiated corresponding carrying processing, generates the RAA of the authentication response again message for described RAR message according to the result of described carrying processing;
In concrete enforcement, PCRF responds after CCA message, directly triggers RAR message, in the new RAR message triggering, carries this new PCC information.PGW, in the time receiving RAR message, triggers load creating or new technological process more by bearing binding.The result of processing according to carrying generates the RAA of the authentication response again message for RAR message;
Step 703, PCRF receives the RAA message that described PGW returns.
PCRF receives after this RAA message, the finishing dealing with of new PCC information.
The present invention issues the RAR message of having carried new PCC information by PCRF, can make the PGW needn't this new PCC information of buffer memory in the time processing new PCC information, thereby can reduce the special processing process of PGW inside, simultaneously, the RAA message that reception PGW returns can confirm whether new PCC information finishes dealing with, process complexity thereby can reduce PGW, be convenient to staff's exploitation and safeguard.
It should be noted that, for embodiment of the method, for simple description, therefore it is all expressed as to a series of combination of actions, but those skilled in the art should know, the embodiment of the present invention is not subject to the restriction of described sequence of movement, because according to the embodiment of the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and related action might not be that the embodiment of the present invention is necessary.
With reference to Fig. 8, show the structured flowchart of the processing unit embodiment 1 of a kind of dynamic strategy charging control PCC information of the present invention, described device is positioned at packet data gateway PGW side, specifically can comprise as lower module:
Again authentication request RAR message transmission module 801, after completing at switching flow, receives the RAR of the authentication request again message that policy charging rule functional entity PCRF sends; Described RAR message comprises new dynamic strategy charging control PCC information; Described PCRF is for finding new PCC information at switching flow, and, according to described PCC Information generation RAR message;
Bearing binding module 802, for carrying out bearing binding by described new PCC information;
Carrying processing module 803, initiates corresponding carrying processing for the result according to described bearing binding;
Again authentication response RAA message transmission module 804, generates the RAA of the authentication response again message for described RAR message according to the result of described carrying processing, and described RAA message is sent to described PCRF.
In a kind of preferred exemplary of the present invention, described switching flow comprises:
Amendment carrying request receiving module, the amendment carrying request sending for receiving gateway SGW;
Account management request CCR sending module, for generating account management request CCR according to described amendment carrying request, and sends described CCR to described PCRF; Described PCRF is for returning to account management response CCA for described CCR;
Account management response CCA receives and amendment carrying response sending module, and the described CCA returning for receiving described PCRF, generates amendment carrying response according to described CCA, and sends described amendment carrying response to described SGW.
In a kind of preferred exemplary of the present invention, the result of described bearing binding comprises described new PCC information is tied in existing carrying, and described carrying processing module 803 can comprise:
More new bearer request sends submodule, for sending more new bearer request to described SGW; Described SGW is for generate more new bearer response according to described more new bearer request, and more new bearer response described in returning to described PGW;
More new bearer response receives submodule, the more new bearer response of returning for receiving described SGW.
In a kind of preferred exemplary of the present invention, it is upper that the result of described bearing binding comprises that described PCC information is not tied to carrying, and described carrying processing module 803 can comprise:
Create carrying request and send submodule, for send the carrying request that creates to described SGW; Described SGW generates to create for the described establishment carrying of foundation request and carries response, and returns to described establishment carrying response to described PGW;
Create carrying response and receive submodule, the establishment carrying response of returning for receiving described SGW.
For device embodiment 1, because it is substantially similar to embodiment of the method 1-3, so description is fairly simple, relevant part is referring to the part explanation of embodiment of the method 1-3.
With reference to Fig. 9, show the structured flowchart of the processing unit embodiment 2 of a kind of dynamic strategy charging control PCC information of the present invention, described device is positioned at PCRF side, specifically can comprise as lower module:
Again authentication request RAR message generating module 901, at switching flow, finds new dynamic strategy charging control PCC information, and according to described new PCC Information generation authentication request RAR message again; Described RAR message comprises described new PCC information;
RAR message transmission module 902, for sending described RAR message to packet data gateway PGW; Described PGW is for after switching flow completes, described new PCC information is carried out to bearing binding, result according to described bearing binding is initiated corresponding carrying processing, generates the RAA of the authentication response again message for described RAR message according to the result of described carrying processing;
Again authentication response RAA message sink module 903, the RAA message of returning for receiving described PGW.
In a kind of preferred exemplary of the present invention, the described RAR of authentication request again message generating module 901 comprises:
Account management request CCR receives submodule, the account management request CCR sending for receiving described PGW; Described CCR comprises UE positional information;
New PCC INFORMATION DISCOVERY submodule, for reading preset table according to described UE positional information, finds described new PCC information;
Account management response CCA generates submodule, for generate account management response CCA according to described CCR;
CCA sends submodule, for sending described CCA to described PGW;
RAR message generation submodule, for the described new PCC Information generation RAR message of foundation.
For device embodiment 2, because it is substantially similar to embodiment of the method 4, so description is fairly simple, relevant part is referring to the part explanation of embodiment of the method 4.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
Those skilled in the art should understand, the embodiment of the embodiment of the present invention can be provided as method, device or computer program.Therefore, the embodiment of the present invention can adopt complete hardware implementation example, completely implement software example or the form in conjunction with the embodiment of software and hardware aspect.And the embodiment of the present invention can adopt the form at one or more upper computer programs of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The embodiment of the present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, terminal equipment (system) and computer program.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminal equipment to produce a machine, the instruction that makes to carry out by the processor of computer or other programmable data processing terminal equipment produces the device for realizing the function of specifying at flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing terminal equipment with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded on computer or other programmable data processing terminal equipment, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable terminal equipment, thereby the instruction of carrying out is provided for realizing the step of the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame on computer or other programmable terminal equipment.
Although described the preferred embodiment of the embodiment of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and amendment to these embodiment.So claims are intended to be interpreted as comprising preferred embodiment and fall into all changes and the amendment of embodiment of the present invention scope.
Finally, also it should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the terminal equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or terminal equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the terminal equipment that comprises described key element and also have other identical element.
Processing method and device to a kind of dynamic strategy charging control PCC information provided by the present invention above, be described in detail, applied specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (10)
1. a processing method for dynamic strategy charging control PCC information, is characterized in that, comprising:
After switching flow completes, packet data gateway PGW receives the RAR of the authentication request again message that policy charging rule functional entity PCRF sends; Described RAR message comprises new dynamic strategy charging control PCC information; Described PCRF is for finding new PCC information at switching flow, and, according to described PCC Information generation RAR message;
Described new PCC information is carried out bearing binding by PGW;
PGW initiates corresponding carrying processing according to the result of described bearing binding;
PGW generates the RAA of the authentication response again message for described RAR message according to the result of described carrying processing, and described RAA message is sent to described PCRF.
2. method according to claim 1, is characterized in that, described switching flow comprises:
PGW receives the amendment carrying request that gateway SGW sends;
PGW generates account management request CCR according to described amendment carrying request, and sends described CCR to described PCRF; Described PCRF is for returning to account management response CCA for described CCR;
PGW receives the described CCA that described PCRF returns, and generates amendment carrying response according to described CCA, and sends described amendment carrying response to described SGW.
3. method according to claim 1 and 2, is characterized in that, the result of described bearing binding comprises described new PCC information is tied in existing carrying, and the step that described PGW initiates corresponding carrying processing according to the result of described bearing binding comprises:
Described PGW sends more new bearer request to described SGW; Described SGW is for generate more new bearer response according to described more new bearer request, and more new bearer response described in returning to described PGW;
Described PGW receives the more new bearer response that described SGW returns.
4. method according to claim 1 and 2, is characterized in that, it is upper that the result of described bearing binding comprises that described PCC information is not tied to carrying, and the processing that described PGW initiates corresponding carrying processing according to the result of described bearing binding comprises:
Described PGW sends to described SGW the carrying request that creates; Described SGW generates to create for the described establishment carrying of foundation request and carries response, and returns to described establishment carrying response to described PGW;
Described PGW receives the establishment carrying response that described SGW returns.
5. a processing method for dynamic strategy charging control PCC information, is characterized in that, comprising:
In switching flow, policy charging rule functional entity PCRF finds new dynamic strategy charging control PCC information, and according to described new PCC Information generation authentication request RAR message again; Described RAR message comprises described new PCC information;
PCRF sends described RAR message to packet data gateway PGW; Described PGW is for after switching flow completes, described new PCC information is carried out to bearing binding, result according to described bearing binding is initiated corresponding carrying processing, generates the RAA of the authentication response again message for described RAR message according to the result of described carrying processing;
PCRF receives the RAA message that described PGW returns.
6. method according to claim 5, is characterized in that, described policy charging rule functional entity PCRF finds new dynamic strategy charging control PCC information, and comprises according to the described new PCC Information generation again step of authentication request RAR message:
Described policy charging rule functional entity PCRF receives the account management request CCR that described PGW sends; Described CCR comprises UE positional information;
PCRF reads preset table according to described UE positional information, finds described new PCC information;
PCRF generates account management response CCA according to described CCR;
PCRF sends described CCA to described PGW;
PCRF is according to described new PCC Information generation RAR message.
7. a processing unit for dynamic strategy charging control PCC information, is characterized in that, described device is positioned at packet data gateway PGW side, and described device comprises:
Again authentication request RAR message transmission module, after completing at switching flow, receives the RAR of the authentication request again message that policy charging rule functional entity PCRF sends; Described RAR message comprises new dynamic strategy charging control PCC information; Described PCRF is for finding new PCC information at switching flow, and, according to described PCC Information generation RAR message;
Bearing binding module, for carrying out bearing binding by described new PCC information;
Carrying processing module, initiates corresponding carrying processing for the result according to described bearing binding;
Again authentication response RAA message transmission module, generates the RAA of the authentication response again message for described RAR message according to the result of described carrying processing, and described RAA message is sent to described PCRF.
8. device according to claim 7, is characterized in that, described switching flow comprises:
Amendment carrying request receiving module, the amendment carrying request sending for receiving gateway SGW;
Account management request CCR sending module, for generating account management request CCR according to described amendment carrying request, and sends described CCR to described PCRF; Described PCRF is for returning to account management response CCA for described CCR;
Account management response CCA receives and amendment carrying response sending module, and the described CCA returning for receiving described PCRF, generates amendment carrying response according to described CCA, and sends described amendment carrying response to described SGW.
9. a processing unit for dynamic strategy charging control PCC information, is characterized in that, described device is positioned at PCRF side, and described device comprises:
Again authentication request RAR message generating module, at switching flow, finds new dynamic strategy charging control PCC information, and according to described new PCC Information generation authentication request RAR message again; Described RAR message comprises described new PCC information;
RAR message transmission module, for sending described RAR message to packet data gateway PGW; Described PGW is for after switching flow completes, described new PCC information is carried out to bearing binding, result according to described bearing binding is initiated corresponding carrying processing, generates the RAA of the authentication response again message for described RAR message according to the result of described carrying processing;
Again authentication response RAA message sink module, the RAA message of returning for receiving described PGW.
10. device according to claim 9, is characterized in that, the described RAR of authentication request again message generating module comprises:
Account management request CCR receives submodule, the account management request CCR sending for receiving described PGW; Described CCR comprises UE positional information;
New PCC INFORMATION DISCOVERY submodule, for reading preset table according to described UE positional information, finds described new PCC information;
Account management response CCA generates submodule, for generate account management response CCA according to described CCR;
CCA sends submodule, for sending described CCA to described PGW;
RAR message generation submodule, for the described new PCC Information generation RAR message of foundation.
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