CN104301450A - Addressing method and device - Google Patents
Addressing method and device Download PDFInfo
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- CN104301450A CN104301450A CN201410528709.9A CN201410528709A CN104301450A CN 104301450 A CN104301450 A CN 104301450A CN 201410528709 A CN201410528709 A CN 201410528709A CN 104301450 A CN104301450 A CN 104301450A
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- Prior art keywords
- msisdn
- pcrf
- dra1
- cscf
- interface message
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2101/00—Indexing scheme associated with group H04L61/00
- H04L2101/60—Types of network addresses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/24—Accounting or billing
Abstract
The invention discloses an addressing method and device, and relates to the technical field of information. The addressing method and device can increase the success rate of PCRF addressing. The method includes the steps that a DRA1, a DRA2, a PCEF, a P-CSCF and at least one PCRF are involved in PCC, Rx interface information is forwarded between the P-CSCF and the PCRFs through the DRA1, and Gx interface information is forwarded between the PCEF and the PCRFs through the DRA2; the P-CSCF obtains an MSISDN from a request message which is used for setting up a conversation and received by the P-CSCF and transmits the Rx interface information carrying the MSISDN to the DRA1, according to the received MSISDN and the corresponding relations between all MSISDNs and all the PCRFs, the DRA1determines the PCRF corresponding to the MSISDN and transmits the Rx interface information to the PCRF. The addressing method and device are suitable for PCRF addressing.
Description
Technical field
The present invention relates to areas of information technology, the method for particularly a kind of addressing and device.
Background technology
(English full name: Policy and Charging Control is controlled in strategy and charging, english abbreviation: PCC) in framework, proxy call conversation control function entity (English full name: Proxy-Call Session Control Funtion, english abbreviation: P-CSCF) to "Policy and Charging Rules Function entity (English full name: Policy and Charging Rules Function, english abbreviation: PCRF) business information is provided, corresponding policy information is formulated to make PCRF, strategy and charging execution function entity (English full name: Policy and Charging Enforcement Function, english abbreviation PCEF) from PCRF, obtain this policy information, with realization to the control of business and charging.In above process, need the PCRF ensureing PCEF acquisition strategy information, provide the PCRF of policy information identical with P-CSCF.
At present, a kind of method of addressing, first PCEF is to secondary route agent node (English full name: Diameter Routing Agent 2, english abbreviation: DRA2) send Gx interface message, this Gx interface message carries international mobile subscriber identity (English full name: International Mobile Subscriber Identification Number, english abbreviation: IMSI) and Internet protocol (English full name: Internet Protocol, english abbreviation: IP) address, then DRA2 is according to IMSI, and the corresponding relation between IMSI and PCRF, determine corresponding PCRF, and by privately owned interface by IMSI, corresponding relation between IP address and PCRF three sends to DRA1, the Rx interface message that last DRA1 sends according to P-CSCF, this Rx interface message carries IP address, and IMSI, corresponding relation between IP address and PCRF three, determine corresponding PCRF, to realize the addressing to PCRF.
But, when being communicated by privately owned interface between DRA1 and DRA2, owing to only storing the corresponding relation between IMSI and PCRF in DRA1, and Rx interface message only carries IP address, therefore DRA2 is needed by privately owned interface by IMSI, corresponding relation between IP address and PCRF three, send to DRA1, and when DRA1 and DRA2 is from different manufacturers, cannot be communicated by privately owned interface between DRA1 and DRA2, namely DRA2 cannot by privately owned interface by IMSI, corresponding relation between IP address and PCRF three sends to DRA1, thus cause DRA1 cannot determine corresponding PCRF according to Rx interface message, and then cause the addressing success rate of PCRF lower.
Summary of the invention
The invention provides a kind of method and device of addressing, the success rate to PCRF addressing can be improved.
The technical solution used in the present invention is:
First aspect, the invention provides a kind of method of addressing, be applied to strategy with charging control system PCC, described PCC comprises the first via by agent node DRA1, secondary route agent node DRA2, strategy and charging execution function entity PCEF, proxy call conversation control function entity P-CSCF and at least one "Policy and Charging Rules Function entity PCRF, it is characterized in that, forward Rx interface message by described DRA1 between described P-CSCF and described PCRF, described PCEF and described PCRF forwards Gx interface message by described DRA2; Described method comprises:
Described P-CSCF, in the session establishment request message received, obtains travelling carriage comprehensive service digital net number MSISDN;
Described P-CSCF sends Rx interface message to described DRA1, carries described MSISDN in described Rx interface message;
Described DRA1 is according to the described MSISDN received, and the corresponding relation between each MSISDN and each PCRF, determines the PCRF that described MSISDN is corresponding;
Described DRA1 sends described Rx interface message to described PCRF.
Second aspect, the invention provides a kind of device of addressing, be applied to strategy with charging control system PCC, described PCC comprises the first via by agent node DRA1, secondary route agent node DRA2, strategy and charging execution function entity PCEF, proxy call conversation control function entity P-CSCF and at least one "Policy and Charging Rules Function entity PCRF, it is characterized in that, forward Rx interface message by described DRA1 between described P-CSCF and described PCRF, described PCEF and described PCRF forwards Gx interface message by described DRA2; Described device comprises:
Acquiring unit, in described P-CSCF, in the session establishment request message received, obtains travelling carriage comprehensive service digital net number MSISDN;
First transmitting element, in described P-CSCF, sends Rx interface message to described DRA1, carries the described MSISDN that described acquiring unit obtains in described Rx interface message;
First determining unit, in described DRA1, according to the described MSISDN that described first transmitting element received sends, and the corresponding relation between each MSISDN and each PCRF, determine the PCRF that described MSISDN is corresponding;
Second transmitting element, in described DRA1, the described PCRF determined to described first determining unit sends described Rx interface message.
The method of addressing provided by the invention and device, be applied in PCC, this PCC comprises DRA1, DRA2, PCEF, P-CSCF and at least one PCRF, Rx interface message is forwarded by DRA1 between P-CSCF and PCRF, PCEF and PCRF forwards Gx interface message by DRA2, first P-CSCF is in the session establishment request message received, obtain MSISDN, then P-CSCF sends the Rx interface message carrying MSISDN to DRA1, last DRA1 is according to the MSISDN received, and the corresponding relation between each MSISDN and each PCRF, determine the PCRF that MSISDN is corresponding, and send Rx interface message to PCRF.Undertaken compared with communication with between current DRA1 and DRA2 by privately owned interface, the present invention obtains MSISDN by P-CSCF in session establishment request message, and the Rx interface message carrying MSISDN is sent to DRA1, DRA1 can be made to get this MSISDN, simultaneously owing to storing the corresponding relation between each MSISDN and each PCRF in DRA1, therefore DRA1 can determine the PCRF that Rx interface message is corresponding, namely do not need between DRA1 and DRA2 to be communicated by privately owned interface, thus can avoid cannot communicating between DRA1 and the DRA2 from different manufacturers, cause DRA1 cannot determine the situation of the PCRF that Rx interface message is corresponding, and then the success rate that can improve PCRF addressing.
Accompanying drawing explanation
In order to be illustrated more clearly in the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in the present invention or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the Organization Chart of PCC system in the embodiment of the present invention;
Fig. 2 is the method flow diagram of addressing in the embodiment of the present invention;
Fig. 3 is the method flow diagram of another kind of addressing in the embodiment of the present invention;
Fig. 4 is the apparatus structure schematic diagram of addressing in the embodiment of the present invention;
Fig. 5 is the apparatus structure schematic diagram of another kind of addressing in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
The technical scheme that the embodiment of the present invention provides may be used for the PCC framework in wireless network, as shown in Figure 1.Wherein, P-CSCF is proxy call conversation control function entity, for providing business information to PCRF, formulates corresponding policy information to make PCRF; PCRF is "Policy and Charging Rules Function entity, for receive P-CSCF send business information, formulate and to PCEF sending strategy information; PCEF is strategy and charging execution function entity, for obtaining and implementation strategy information from PCRF; PCRF1, PCRF2 and PCRF3 are different PCRF, and different PCRF is used for for different number sections formulates corresponding policy information; DRA1 be the first via by agent node, DRA2 is secondary route agent node; Rx is the reference point between P-CSCF and PCRF, and Gx is the reference point between PCEF and PCRF; P-CSCF and PCRF forwards Rx interface message by DRA1, and PCEF and PCRF forwards Gx interface message by DRA2.
The embodiment of the present invention provides a kind of method of addressing, be applied in PCC, PCC comprises DRA1, DRA2, PCEF, P-CSCF and at least one PCRF, Rx interface message is forwarded by DRA1 between P-CSCF and PCRF, PCEF and PCRF forwards Gx interface message by DRA2, can improve the success rate to PCRF addressing, as shown in Figure 2, described method comprises:
201, P-CSCF is in the session establishment request message received, and obtains MSISDN.
For the embodiment of the present invention, P-CSCF is the network element with Proxy Call Session Control Function, at IP Multimedia System (English full name: IP Multimedia Subsystem, english abbreviation: IMS) in, business information can be provided to PCRF, undertaken alternately by Rx interface and PCRF, to related informations such as the marks that PCRF provides upper-layer service to apply, the business information that PCRF sends according to P-CSCF carries out PCC decision.
For the embodiment of the present invention, MSISDN is the comprehensive service digital net number of travelling carriage, i.e. the phone number of user, specifically can be made up of national code, domestic Mobile Access Code and Subscriber Number.Such as, MSISDN can be 8618601101234, and wherein, 86 is national code, and 186 are characterized by Subscriber Number for domestic Mobile Access Code, 01101234.
202, P-CSCF sends Rx interface message to DRA1.
Wherein, MSISDN is carried in Rx interface message.
For the embodiment of the present invention, DRA is route agent's node, according to information such as the IMSI of user, MSISDN, domain names (English full name: Realm) or network host names (English full name: Host), the addressing of network element in territory can be carried out, or the addressing of DRA between territory.Wherein, in territory, network element can be PCRF.
For the embodiment of the present invention, Rx is the interface between P-CSCF and PCRF, may be used for forwarding the session information of P-CSCF to PCRF delivery applications layer.Such as, Rx may be used for forwarding the IP filter information of identification services data flow, the media of service quality (English full name: Quality of Service, english abbreviation: QoS) or application bandwidth demand information etc.
203, DRA1 is according to the MSISDN received, and the corresponding relation between each MSISDN and each PCRF, determines the PCRF that MSISDN is corresponding.
For the embodiment of the present invention, in DRA1, store the corresponding relation between each MSISDN and each PCRF.In embodiments of the present invention, when DRA1 receives the Rx interface message carrying MSISDN, DRA1 according to the MSISDN in Rx interface message, can determine the PCRF that this MSISDN is corresponding.Such as, storing the PCRF that MSISDN is " 8618601101234 " correspondence in DRA1 is " PCRF1 ", when DRA1 receives that to carry MSISDN be the Rx interface message of 8618601101234, DRA1 is 8618601101234 according to MSISDN, can determine that the PCRF that this MSISDN is corresponding is " PCRF1 ".
204, DRA1 sends Rx interface message to PCRF.
For the embodiment of the present invention, PCRF has strategy and charging controlling functions, according to business data flow and IP bearing resource, can make corresponding strategy and charging control decision, can also determine for PCEF and provide available strategy and charging control decision.
The method of the addressing that the embodiment of the present invention provides, be applied in PCC, this PCC comprises DRA1, DRA2, PCEF, P-CSCF and at least one PCRF, Rx interface message is forwarded by DRA1 between P-CSCF and PCRF, PCEF and PCRF forwards Gx interface message by DRA2, first P-CSCF is in the session establishment request message received, obtain MSISDN, then P-CSCF sends the Rx interface message carrying MSISDN to DRA1, last DRA1 is according to the MSISDN received, and the corresponding relation between each MSISDN and each PCRF, determine the PCRF that MSISDN is corresponding, and send Rx interface message to PCRF.Undertaken compared with communication with between current DRA1 and DRA2 by privately owned interface, the embodiment of the present invention obtains MSISDN by P-CSCF in session establishment request message, and the Rx interface message carrying MSISDN is sent to DRA1, DRA1 can be made to get this MSISDN, simultaneously owing to storing the corresponding relation between each MSISDN and each PCRF in DRA1, therefore DRA1 can determine the PCRF that Rx interface message is corresponding, namely do not need between DRA1 and DRA2 to be communicated by privately owned interface, thus can avoid cannot communicating between DRA1 and the DRA2 from different manufacturers, cause DRA1 cannot determine the situation of the PCRF that Rx interface message is corresponding, and then the success rate that can improve PCRF addressing.
As illustrating method shown in Fig. 2, the embodiment of the present invention provides the method for another kind of addressing, and as shown in Figure 3, described method comprises:
301, P-CSCF is in the session establishment request message received, and obtains IMPU.
For the embodiment of the present invention, P-CSCF is the network element with Proxy Call Session Control Function, in ims, business information can be provided to PCRF, undertaken alternately by Rx interface and PCRF, to related informations such as the marks that PCRF provides upper-layer service to apply, the business information that PCRF sends according to P-CSCF carries out PCC decision.
For the embodiment of the present invention, when subscriber equipment initiation session, subscriber equipment sends the session establishment request message carrying IMPU to P-CSCF.In embodiments of the present invention, IP multimedia public identity (English full name: IP Multimedia Public Identity, english abbreviation: IMPU) be the public subscriber identification of network management IP multimedia subsystem, IMS, may be used for the route of Session initiation Protocol (English full name: Session Initiation Protocol, english abbreviation: SIP) message.
Wherein, there are two kinds of forms in IMPU, is respectively: the form of SIP universal resource identifier (English full name: Uniform Resource Identifier, english abbreviation: URI) form, Tel URI.
302, P-CSCF judges whether comprise MSISDN in IMPU.
For the embodiment of the present invention, MSISDN is the comprehensive service digital net number of travelling carriage, i.e. the phone number of user, specifically can be made up of national code, domestic Mobile Access Code and Subscriber Number.Such as, MSISDN can be 8618601101234, and wherein, 86 is national code, and 186 are characterized by Subscriber Number for domestic Mobile Access Code, 01101234.
For the embodiment of the present invention, P-CSCF, by judging the form of the IMPU entrained by conversation request message, determines whether comprise MSISDN in IMPU.In embodiments of the present invention, when IMPU is Tel URI form, IMPU can be directly MSISDN; When IMPU is SIP URI form, IMPU can be username domain.Wherein, user can be Any Digit or combination alphabetical arbitrarily.Such as, when IMPU is Tel URI form, IMPU can be 8618601101234; When IMPU is SIP URI form, IMPU can be 8618601101234 domain or Alex domain.
If comprise MSISDN in 303a IMPU, then P-CSCF is in IMPU, extracts MSISDN.
For the embodiment of the present invention, IMPU comprises MSISDN, refers to that IMPU is Tel URI form, or is the SIP URI form of MSISDN@domain.In embodiments of the present invention, when IMPU is Tel URI form, or when being the SIP URI form of MSISDN@domain, P-CSCF directly can extract MSISDN in IMPU.
If do not comprise MSISDN with the step 303b IMPU that step 303a is arranged side by side, then P-CSCF in the server, the NAPTR domain name that inquiry IMPU is corresponding.
Wherein, MSISDN is comprised in NAPTR domain name.
For the embodiment of the present invention, when the form that P-CSCF judges IMPU is Tel URI, P-CSCF directly extracts MSISDN from IMPU; When the form that P-CSCF judges IMPU is SIP URI, the concrete form of P-CSCF to SIP URI judges further, if P-CSCF judges that the form of SIP URI is MSISDN@domain, then P-CSCF directly extracts MSISDN from IMPU; If P-CSCF judges that the form of SIP URI is username@domain, then P-CSCF carries out NAPTR (English full name: Naming Authority Pointer in the server, english abbreviation: NAPTR) inquiry, obtain the NAPTR domain name that username@domain is corresponding.
Wherein, NAPTR inquiry refers to the user name username according to registering during subscriber equipment initiation session, inquires about NAPTR domain name in the server of correspondence.Wherein, server can be telephone number mappings work group (English full name: Telephone Number Mapping working group, english abbreviation: ENUM), or domain name system (English full name: Domain Name Server, english abbreviation: DNS), in this ENUM or DNS, be provided with the NAPTR domain name including MSISDN that username is corresponding in advance.
Such as, when P-CSCF judges that SIP UPI is Alex@domain, P-CSCF, according to the user name Alex registered during subscriber equipment initiation session, inquires about in ENUM or DNS, gets the NAPTR domain name including MSISDN corresponding to Alex.
It should be noted that, for inquiring about the server of NAPTR domain name in the embodiment of the present invention, being not limited to above-mentioned ENUM or DNS, other any can the server including the NAPTR domain name of MSISDN corresponding to preset username, be all suitable for the embodiment of the present invention.
Step 304b after step 303b, P-CSCF, in NAPTR domain name, extract MSISDN.
For the embodiment of the present invention, directly in IMPU, MSISDN is extracted by P-CSCF, or in the NAPTR domain name that IMPU is corresponding, extract MSISDN, MSISDN is carried in the Rx interface message that P-CSCF can be made to send, thus DRA1 corresponding to Rx interface message can be realized, determine according to this Rx interface message the PCRF that MSISDN is corresponding.
Such as, the user of a certain subscriber equipment is called Alex, and corresponding MSISDN is 8618601101234, when the form that P-CSCF judges IMPU is Alex domain, P-CSCF inquires about NAPTR domain name corresponding to this IMPU first in the server, and Query Result is " " u " " E2U+sip " "! A ^.* $! Sip:8618601101234@bj.ims.chinaunicom.cn " ", in this Query Result, then extract corresponding MSISDN, the MSISDN extracted is " 8618601101234 ".
305, P-CSCF sends Rx interface message to DRA1.
Wherein, MSISDN is carried in Rx interface message.
For the embodiment of the present invention, DRA is route agent's node, according to information such as IMSI, MSISDN, Realm or Host of user, can carry out the addressing of network element in territory, or the addressing of DRA between territory.Wherein, in territory, network element can be PCRF.
For the embodiment of the present invention, Rx is the interface between P-CSCF and PCRF, may be used for forwarding the session information of P-CSCF to PCRF delivery applications layer.Such as, Rx may be used for forwarding the IP filter information of identification services data flow, the media of service quality (English full name: Quality of Service, english abbreviation: QoS) or application bandwidth demand information etc.
306, DRA1 is according to the MSISDN received, and the corresponding relation between each MSISDN and each PCRF, determines the PCRF that MSISDN is corresponding.
Alternatively, before step 306, can also comprise: DRA1 stores the corresponding relation between each MSISDN and each PCRF.
For the embodiment of the present invention, the MSISDN received by DRA1, and the corresponding relation between each MSISDN of DRA1 storage and each PCRF, can be made DRA1 determine the PCRF that this MSISDN is corresponding, thus can improve the success rate of PCRF addressing.
307, DRA1 sends Rx interface message to PCRF.
For the embodiment of the present invention, PCRF has strategy and charging controlling functions, according to business data flow and IP bearing resource, can make corresponding strategy and charging control decision, can also determine for PCEF and provide available strategy and charging control decision.
For the embodiment of the present invention, after step 307, can also comprise: first PCEF sends Gx interface message to DRA2, then DRA2 is according to the MSISDN received, and the corresponding relation between each MSISDN and each PCRF, determine the PCRF that MSISDN is corresponding, last DRA2 sends Gx interface message to PCRF.Wherein, MSISDN is carried in Gx interface message.
For the embodiment of the present invention, PCEF has the function of strategy and charging execution, and PCEF, from PCRF acquisition strategy and charging decisions information, performs and controls based on the policy control of business and charging.
For the embodiment of the present invention, Gx is the interface between PCEF and PCRF, may be used for the PCC behavior in PCRF Dynamic controlling PCEF, transmits PCC decision signaling.Such as, Gx have initiate to be connected with maintenance, PCEF asks PCC decision, PCRF to provide PCC decision and function such as termination connection etc. to PCEF to PCRF.
For the embodiment of the present invention, DRA2 can store the corresponding relation between each MSISDN and each PCRF.
For the embodiment of the present invention, the MSISDN carried in the Gx interface message received by DRA2, and the corresponding relation between each MSISDN that DRA2 stores and each PCRF, DRA2 can be made to determine the PCRF that this MSISDN is corresponding, thus the addressing that can realize PCRF, and then this Gx interface message can be sent to corresponding PCRF.
The method of the addressing that the embodiment of the present invention provides, be applied in PCC, this PCC comprises DRA1, DRA2, PCEF, P-CSCF and at least one PCRF, Rx interface message is forwarded by DRA1 between P-CSCF and PCRF, PCEF and PCRF forwards Gx interface message by DRA2, first P-CSCF is in the session establishment request message received, obtain MSISDN, then P-CSCF sends the Rx interface message carrying MSISDN to DRA1, last DRA1 is according to the MSISDN received, and the corresponding relation between each MSISDN and each PCRF, determine the PCRF that MSISDN is corresponding, and send Rx interface message to PCRF.Undertaken compared with communication with between current DRA1 and DRA2 by privately owned interface, the embodiment of the present invention obtains MSISDN by P-CSCF in session establishment request message, and the Rx interface message carrying MSISDN is sent to DRA1, DRA1 can be made to get this MSISDN, simultaneously owing to storing the corresponding relation between each MSISDN and each PCRF in DRA1, therefore DRA1 can determine the PCRF that Rx interface message is corresponding, namely do not need between DRA1 and DRA2 to be communicated by privately owned interface, thus can avoid cannot communicating between DRA1 and the DRA2 from different manufacturers, cause DRA1 cannot determine the situation of the PCRF that Rx interface message is corresponding, and then the success rate that can improve PCRF addressing.
Further, the method of the addressing that the embodiment of the present invention provides, the MSISDN received by DRA1, and the corresponding relation between each MSISDN of DRA1 storage and each PCRF, DRA1 can be made to determine the PCRF that this MSISDN is corresponding, thus the success rate of PCRF addressing can be improved; The MSISDN carried in the Gx interface message received by DRA2, and the corresponding relation between each MSISDN that DRA2 stores and each PCRF, DRA2 can be made to determine the PCRF that this MSISDN is corresponding, thus the addressing that can realize PCRF, and then this Gx interface message can be sent to corresponding PCRF; Directly in IMPU, MSISDN is extracted by P-CSCF, or in the NAPTR domain name that IMPU is corresponding, extract MSISDN, MSISDN is carried in the Rx interface message that P-CSCF can be made to send, thus DRA1 corresponding to Rx interface message can be realized, determine according to this Rx interface message the PCRF that MSISDN is corresponding.
As the realization to method shown in Fig. 2 and Fig. 3, the embodiment of the present invention provides a kind of device of addressing, be applied in PCC, PCC comprises DRA1, DRA2, PCEF, P-CSCF and at least one PCRF, Rx interface message is forwarded by DRA1 between P-CSCF and PCRF, PCEF and PCRF forwards Gx interface message by DRA2, the success rate to PCRF addressing can be improved, as shown in Figure 4, described device comprises: acquiring unit 41, first transmitting element 42, first determining unit 43, second transmitting element 44.
Acquiring unit 41, in P-CSCF, in the session establishment request message received, obtains MSISDN.
First transmitting element 42, in P-CSCF, sends Rx interface message to DRA1.
Wherein, the MSISDN that acquiring unit 41 obtains is carried in Rx interface message.
First determining unit 43, in DRA1, according to the MSISDN that the first transmitting element 42 received sends, and the corresponding relation between each MSISDN and each PCRF, determine the PCRF that MSISDN is corresponding.
Second transmitting element 44, in DRA1, the PCRF determined to the first determining unit 43 sends described Rx interface message.
Further, as shown in Figure 5, described device also comprises: the 3rd transmitting element 51, second determining unit 52, the 4th transmitting element 53.
3rd transmitting element 51, in PCEF, sends Gx interface message to DRA2.
Wherein, MSISDN is carried in Gx interface message.
Second determining unit 52, in DRA2, according to the MSISDN that the 3rd transmitting element 51 received sends, and the corresponding relation between each MSISDN and each PCRF, determine the PCRF that MSISDN is corresponding.
4th transmitting element 53, in DRA2, the PCRF determined to the second determining unit 52 sends Gx interface message.
Alternatively, described device also comprises: the first memory cell 54, second memory cell 55.
First memory cell 54, in DRA1, stores the corresponding relation between each MSISDN and each PCRF.
Second memory cell 55, in DRA2, stores the corresponding relation between each MSISDN and each PCRF.
Alternatively, acquiring unit 41 comprises: acquisition module 4101, judge module 4102, extraction module 4103.
Acquisition module 4101, in the session establishment request message received, obtains IMPU.
Judge module 4102, for judging whether comprise MSISDN in the IMPU that acquisition module 4101 obtains.
Extraction module 4103, during for judging to comprise MSISDN in IMPU when judge module 4102, in IMPU, extracts MSISDN.
Alternatively, acquiring unit 41 also comprises: enquiry module 4104.
Enquiry module 4104, during for judging when judge module 4102 not comprise MSISDN in IMPU, in the server, the NAPTR domain name that inquiry IMPU is corresponding.
Wherein, MSISDN is comprised in NAPTR domain name.
Extraction module 4103, also in the NAPTR domain name of inquiring about at enquiry module 4104, extracts MSISDN.
The device of the addressing that the embodiment of the present invention provides, be applied in PCC, this PCC comprises DRA1, DRA2, PCEF, P-CSCF and at least one PCRF, Rx interface message is forwarded by DRA1 between P-CSCF and PCRF, PCEF and PCRF forwards Gx interface message by DRA2, first P-CSCF is in the session establishment request message received, obtain MSISDN, then P-CSCF sends the Rx interface message carrying MSISDN to DRA1, last DRA1 is according to the MSISDN received, and the corresponding relation between each MSISDN and each PCRF, determine the PCRF that MSISDN is corresponding, and send Rx interface message to PCRF.Undertaken compared with communication with between current DRA1 and DRA2 by privately owned interface, the embodiment of the present invention obtains MSISDN by P-CSCF in session establishment request message, and the Rx interface message carrying MSISDN is sent to DRA1, DRA1 can be made to get this MSISDN, simultaneously owing to storing the corresponding relation between each MSISDN and each PCRF in DRA1, therefore DRA1 can determine the PCRF that Rx interface message is corresponding, namely do not need between DRA1 and DRA2 to be communicated by privately owned interface, thus can avoid cannot communicating between DRA1 and the DRA2 from different manufacturers, cause DRA1 cannot determine the situation of the PCRF that Rx interface message is corresponding, and then the success rate that can improve PCRF addressing.
Further, the device of the addressing that the embodiment of the present invention provides, the MSISDN received by DRA1, and the corresponding relation between each MSISDN of DRA1 storage and each PCRF, DRA1 can be made to determine the PCRF that this MSISDN is corresponding, thus the success rate of PCRF addressing can be improved; The MSISDN carried in the Gx interface message received by DRA2, and the corresponding relation between each MSISDN that DRA2 stores and each PCRF, DRA2 can be made to determine the PCRF that this MSISDN is corresponding, thus the addressing that can realize PCRF, and then this Gx interface message can be sent to corresponding PCRF; Directly in IMPU, MSISDN is extracted by P-CSCF, or in the NAPTR domain name that IMPU is corresponding, extract MSISDN, MSISDN is carried in the Rx interface message that P-CSCF can be made to send, thus DRA1 corresponding to Rx interface message can be realized, determine according to this Rx interface message the PCRF that MSISDN is corresponding.
It should be noted that, other the corresponding descriptions in the PCC provided in the embodiment of the present invention corresponding to each unit, the correspondence in reference diagram 2 and Fig. 3 can describe, do not repeat them here.
The addressing that the embodiment of the present invention provides device the above-mentioned embodiment of the method provided can be provided, concrete function realizes the explanation referred in embodiment of the method, does not repeat them here.The method of the addressing that the embodiment of the present invention provides and device go for realizing the addressing to PCRF, but are not limited only to this.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1. the method for an addressing, be applied to strategy with charging control system PCC, described PCC comprises the first via by agent node DRA1, secondary route agent node DRA2, strategy and charging execution function entity PCEF, proxy call conversation control function entity P-CSCF and at least one "Policy and Charging Rules Function entity PCRF, it is characterized in that, forward Rx interface message by described DRA1 between described P-CSCF and described PCRF, described PCEF and described PCRF forwards Gx interface message by described DRA2; Described method comprises:
Described P-CSCF, in the session establishment request message received, obtains travelling carriage comprehensive service digital net number MSISDN;
Described P-CSCF sends Rx interface message to described DRA1, carries described MSISDN in described Rx interface message;
Described DRA1 is according to the described MSISDN received, and the corresponding relation between each MSISDN and each PCRF, determines the PCRF that described MSISDN is corresponding;
Described DRA1 sends described Rx interface message to described PCRF.
2. the method for addressing according to claim 1, is characterized in that, described method also comprises:
Described PCEF sends Gx interface message to described DRA2, carries MSISDN in described Gx interface message;
Described DRA2 is according to the described MSISDN received, and the corresponding relation between each MSISDN and each PCRF, determines the PCRF that described MSISDN is corresponding;
Described DRA2 sends described Gx interface message to described PCRF.
3. addressing method according to claim 2, is characterized in that, described DRA1 is according to the described MSISDN received, and the corresponding relation between each MSISDN and each PCRF, before determining the step of the PCRF that described MSISDN is corresponding, also comprises:
Described DRA1 stores described corresponding relation between each MSISDN and each PCRF described;
Described DRA2 is according to the described MSISDN received, and the corresponding relation between each MSISDN and each PCRF, before determining the step of the PCRF that described MSISDN is corresponding, also comprises:
Described DRA2 stores described corresponding relation between each MSISDN and each PCRF described.
4. addressing method according to claim 1, is characterized in that, described P-CSCF, in the session establishment request message received, obtains the step of travelling carriage comprehensive service digital net number MSISDN, specifically comprises:
Described P-CSCF, in the session establishment request message received, obtains IP multimedia public identity IMPU;
Described P-CSCF judges whether comprise described MSISDN in described IMPU;
If comprise described MSISDN in described IMPU, then described P-CSCF is in described IMPU, extracts described MSISDN.
5. addressing method according to claim 4, is characterized in that, described P-CSCF also comprises after judging whether to comprise in described IMPU the step of described MSISDN:
If do not comprise described MSISDN in described IMPU, then described P-CSCF in the server, inquires about the NAPTR NAPTR domain name that described IMPU is corresponding, comprise described MSISDN in described NAPTR domain name;
Described P-CSCF, in described NAPTR domain name, extracts described MSISDN.
6. the device of an addressing, be applied to strategy with charging control system PCC, described PCC comprises the first via by agent node DRA1, secondary route agent node DRA2, strategy and charging execution function entity PCEF, proxy call conversation control function entity P-CSCF and at least one "Policy and Charging Rules Function entity PCRF, it is characterized in that, forward Rx interface message by described DRA1 between described P-CSCF and described PCRF, described PCEF and described PCRF forwards Gx interface message by described DRA2; Described device comprises:
Acquiring unit, in described P-CSCF, in the session establishment request message received, obtains travelling carriage comprehensive service digital net number MSISDN;
First transmitting element, in described P-CSCF, sends Rx interface message to described DRA1, carries the described MSISDN that described acquiring unit obtains in described Rx interface message;
First determining unit, in described DRA1, according to the described MSISDN that described first transmitting element received sends, and the corresponding relation between each MSISDN and each PCRF, determine the PCRF that described MSISDN is corresponding;
Second transmitting element, in described DRA1, the described PCRF determined to described first determining unit sends described Rx interface message.
7. the device of addressing according to claim 6, is characterized in that, described device also comprises: the 3rd transmitting element, the second determining unit, the 4th transmitting element;
Described 3rd transmitting element, in described PCEF, sends Gx interface message to described DRA2, carries MSISDN in described Gx interface message;
Described second determining unit, in described DRA2, according to the described MSISDN that described 3rd transmitting element received sends, and the corresponding relation between each MSISDN and each PCRF, determine the PCRF that described MSISDN is corresponding;
Described 4th transmitting element, in described DRA2, the described PCRF determined to described second determining unit sends described Gx interface message.
8. device for addressing according to claim 7, is characterized in that, described device also comprises: the first memory cell, the second memory cell;
Described first memory cell, in described DRA1, stores described corresponding relation between each MSISDN and each PCRF described;
Described second memory cell, in described DRA2, stores described corresponding relation between each MSISDN and each PCRF described.
9. device for addressing according to claim 6, is characterized in that, described acquiring unit comprises: acquisition module, judge module, extraction module;
Described acquisition module, in the session establishment request message received, obtains IP multimedia public identity IMPU;
Described judge module, for judging whether comprise described MSISDN in the described IMPU that described acquisition module obtains;
Described extraction module, during for judging to comprise described MSISDN in described IMPU when described judge module, in described IMPU, extracts described MSISDN.
10. device for addressing according to claim 9, is characterized in that, described acquisition module also comprises: enquiry module;
Described enquiry module, during for judging when described judge module not comprise described MSISDN in described IMPU, in the server, inquiring about the NAPTR NAPTR domain name that described IMPU is corresponding, comprising described MSISDN in described NAPTR domain name;
Described extraction module, also in the described NAPTR domain name of inquiring about at described enquiry module, extracts described MSISDN.
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| CN108075902A (en) * | 2016-11-16 | 2018-05-25 | 中兴通讯股份有限公司 | Addressing method, the apparatus and system of routing |
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| CN103685582A (en) * | 2012-09-05 | 2014-03-26 | 中国移动通信集团公司 | PCRF addressing method, as well as system, terminal, server, PA equipment and DRA equipment corresponding to same |
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| CN104301450B (en) | 2018-03-06 |
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