CN104301450B - The method and device of addressing - Google Patents
The method and device of addressing Download PDFInfo
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- CN104301450B CN104301450B CN201410528709.9A CN201410528709A CN104301450B CN 104301450 B CN104301450 B CN 104301450B CN 201410528709 A CN201410528709 A CN 201410528709A CN 104301450 B CN104301450 B CN 104301450B
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- 230000006870 function Effects 0.000 claims description 26
- 239000000284 extract Substances 0.000 claims description 14
- 238000000605 extraction Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000003860 storage Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009472 formulation Methods 0.000 description 3
- 230000000977 initiatory effect Effects 0.000 description 3
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- 230000006399 behavior Effects 0.000 description 1
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Classifications
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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
-
- 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 a kind of method and device of addressing, it is related to areas of information technology, the success rate of PCRF addressing can be improved.Methods described includes：PCC includes 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 messages by DRA2, P CSCF first are in the session establishment request message received, obtain MSISDN, then P CSCF send the Rx interface message for carrying MSISDN to DRA1, last DRA1 is according to the MSISDN received, and the corresponding relation between each MSISDN and each PCRF, PCRF corresponding to MSISDN is determined, and Rx interface message is sent to PCRF.The present invention is adapted to carry out PCRF addressing.
Description
Technical field
The present invention relates to areas of information technology, more particularly to a kind of method and device of addressing.
Background technology
In strategy and charging control (English full name：Policy and Charging Control, english abbreviation：PCC) frame
In structure, proxy call conversation control function entity (English full name：Proxy-Call Session Control Funtion, English
Text 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, to cause policy information corresponding to PCRF formulations, strategy and charging are held
Row functional entity (English full name：Policy and Charging Enforcement Function, english abbreviation PCEF) from
The policy information is obtained in PCRF, to realize control and charging to business.In above process, it is necessary to ensure that PCEF obtains plan
The slightly PCRF of information, the PCRF that policy information is provided with P-CSCF are identical.
At present, a kind of method of addressing, PCEF first is to secondary route agent node (English full name：Diameter
Routing Agent 2, english abbreviation：DRA2 Gx interface messages) are sent, the Gx interface messages carry international mobile subscriber knowledge
Other code (English full name：International Mobile Subscriber Identification Number, english abbreviation：
) and Internet protocol (English full name IMSI：Internet Protocol, english abbreviation：IP) address, then DRA2 is according to IMSI,
And the corresponding relation between IMSI and PCRF, it is determined that corresponding PCRF, and by privately owned interface by IMSI, IP address and PCRF
Corresponding relation between three is sent to DRA1, the Rx interface message that last DRA1 is sent according to P-CSCF, the Rx interface message
The corresponding relation between IP address, and IMSI, IP address and PCRF three is carried, it is determined that corresponding PCRF, with realization pair
PCRF addressing.
However, when being communicated between DRA1 and DRA2 by privately owned interface, due to be only stored with DRA1 IMSI with
Corresponding relation between PCRF, and Rx interface message only carries IP address, it is therefore desirable to and DRA2 will by privately owned interface
Corresponding relation between IMSI, IP address and PCRF three, DRA1 is sent to, and when DRA1 and DRA2 come from different manufacturers,
Can not be communicated between DRA1 and DRA2 by privately owned interface, i.e. DRA2 can not by privately owned interface by IMSI, IP address and
Corresponding relation between PCRF three is sent to DRA1, so as to cause DRA1 can not be according to corresponding to determining Rx interface message
PCRF, and then cause the addressing success rate to PCRF relatively low.
The content of the invention
The present invention provides a kind of method and device of addressing, can improve the success rate to PCRF addressing.
The technical solution adopted by the present invention is：
In a first aspect, the present invention provides a kind of method of addressing, applied to strategy with charging control system PCC, it is described
PCC include 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, its feature exist
In forwarding Rx interface message by the DRA1 between the P-CSCF and the PCRF, the PCEF passes through with the PCRF
The DRA2 forwards Gx interface messages；Methods described includes：
The P-CSCF obtains mobile station comprehensive service digital net number in the session establishment request message received
MSISDN；
The P-CSCF sends Rx interface message to the DRA1, and the MSISDN is carried in the Rx interface message；
The DRA1 is according to the MSISDN received, and the corresponding pass between each MSISDN and each PCRF
System, determines PCRF corresponding to the MSISDN；
The DRA1 sends the Rx interface message to the PCRF.
Second aspect, the present invention provide a kind of device of addressing, applied to strategy with charging control system PCC, it is described
PCC include 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, its feature exist
In forwarding Rx interface message by the DRA1 between the P-CSCF and the PCRF, the PCEF passes through with the PCRF
The DRA2 forwards Gx interface messages；Described device includes：
Acquiring unit, in the P-CSCF, in the session establishment request message received, obtaining mobile station synthesis
Service digital network number MSISDN；
First transmitting element, in the P-CSCF, Rx interface message, the Rx interface message to be sent to the DRA1
In carry the MSISDN that the acquiring unit obtains；
First determining unit, in the DRA1, according to being sent first transmitting element received
Corresponding relation between MSISDN, and each MSISDN and each PCRF, determine PCRF corresponding to the MSISDN；
Second transmitting element, in the DRA1, described in the PCRF that is determined to first determining unit is sent
Rx interface message.
The method and device of addressing provided by the invention, applied in PCC, the PCC includes DRA1, DRA2, PCEF, P-
CSCF and at least one PCRF, Rx interface message is forwarded between P-CSCF and PCRF by DRA1, and PCEF and PCRF passes through DRA2
Forward Gx interface messages, P-CSCF first in the session establishment request message received, obtain MSISDN, then P-CSCF to
DRA1, which is sent, carries MSISDN Rx interface message, last DRA1 according to the MSISDN received, and each MSISDN and
Corresponding relation between each PCRF, PCRF corresponding to MSISDN is determined, and Rx interface message is sent to PCRF.With current DRA1
Compared with carrying out communication by privately owned interface between DRA2, the present invention is obtained by P-CSCF in session establishment request message
MSISDN, and sent to DRA1 and carry MSISDN Rx interface message, DRA1 is enabled to get the MSISDN, while by
The corresponding relation being stored with DRA1 between each MSISDN and each PCRF, therefore DRA1 can determine Rx interface message pair
It need not be communicated between the PCRF answered, i.e. DRA1 and DRA2 by privately owned interface, so as to avoid coming from different manufacturers
DRA1 and DRA2 between can not be communicated, cause DRA1 can not determine the situation of PCRF corresponding to Rx interface message, and then
The success rate to PCRF addressing can be improved.
Brief description of the drawings
, below will be to the present invention or prior art in order to illustrate more clearly of technical scheme of the invention or of the prior art
The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only the present invention's
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is the Organization Chart of PCC systems in the embodiment of the present invention；
Fig. 2 is the method flow diagram addressed in the embodiment of the present invention；
Fig. 3 is the method flow diagram of another addressing in the embodiment of the present invention；
Fig. 4 is the apparatus structure schematic diagram addressed in the embodiment of the present invention；
Fig. 5 is the apparatus structure schematic diagram of another addressing in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The PCC frameworks that technical scheme provided in an embodiment of the present invention can be used in wireless network, as shown in Figure 1.Wherein,
P-CSCF is proxy call conversation control function entity, for providing business information to PCRF, to cause corresponding to PCRF formulations
Policy information；PCRF is "Policy and Charging Rules Function entity, for receive P-CSCF transmission business information, formulate and to
PCEF sending strategy information；PCEF is strategy and charging execution function entity, for obtaining simultaneously implementation strategy information from PCRF；
PCRF1, PCRF2 and PCRF3 are different PCRF, and different PCRF is used for for policy information corresponding to different number section formulations；
DRA1 be the first via by agent node, DRA2 is secondary route agent node；Reference points of the Rx between P-CSCF and PCRF, Gx
Reference point between PCEF and PCRF；P-CSCF and PCRF forwards Rx interface message by DRA1, and PCEF passes through with PCRF
DRA2 forwards Gx interface messages.
The embodiment of the present invention provides a kind of method of addressing, and applied in PCC, PCC includes DRA1, DRA2, PCEF, P-
CSCF and at least one PCRF, Rx interface message is forwarded between P-CSCF and PCRF by DRA1, and PCEF and PCRF passes through DRA2
Forward Gx interface messages, it is possible to increase to the success rate of PCRF addressing, as shown in Fig. 2 methods described includes：
201st, P-CSCF obtains MSISDN in the session establishment request message received.
For the embodiment of the present invention, P-CSCF is the network element with Proxy Call Session Control Function, in IP multimedias
System (English full name：IP Multimedia Subsystem, english abbreviation：IMS in), business information can be provided to PCRF,
Interacted by Rx interface and PCRF, the related informations such as the mark of upper-layer service application are provided to PCRF, PCRF is according to P-
The business information that CSCF is sent carries out PCC decision.
For the embodiment of the present invention, MSISDN is the phone number of the comprehensive service digital net number, i.e. user of mobile station,
It can be specifically made up of national code, domestic Mobile Access Code and Subscriber Number.For example, MSISDN can be 8618601101234,
Wherein, 86 be national code, and 186 be domestic Mobile Access Code, 01101234 is characterized as Subscriber Number.
202nd, 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, IMSI, MSISDN, domain names that can be according to user
(English full name：) or network host name (English full name Realm：The information such as Host), the addressing of network element in domain is carried out, or between domain
DRA addressing.Wherein, network element can be PCRF in domain.
For the embodiment of the present invention, Rx is the interface between P-CSCF and PCRF, can be used for forwarding P-CSCF to PCRF
Transmit the session information of application layer.For example, Rx can be used for IP filter information, the service quality of forwarding identification business data flow
(English full name：Quality of Service, english abbreviation：QoS media or application bandwidth demand information) etc..
203rd, DRA1 is according to the corresponding relation between the MSISDN received, and each MSISDN and each PCRF, really
Determine PCRF corresponding to MSISDN.
For the embodiment of the present invention, the corresponding relation that is stored with DRA1 between each MSISDN and each PCRF.At this
In inventive embodiments, when DRA1 receives the Rx interface message for carrying MSISDN, DRA1 can be according in Rx interface message
MSISDN, determine PCRF corresponding to the MSISDN.For example, it is corresponding for " 8618601101234 " that MSISDN is stored with DRA1
PCRF be " PCRF1 ", when DRA1 receive carry MSISDN be 8618601101234 Rx interface message when, DRA1 roots
It is 8618601101234 according to MSISDN, it may be determined that PCRF corresponding to the MSISDN is " PCRF1 ".
204th, DRA1 sends Rx interface message to PCRF.
For the embodiment of the present invention, PCRF has strategy and charging control function, can held according to business data flow and IP
Resource is carried, makes corresponding strategy and charging control decision-making, can also be that PCEF be determined and be provided available strategy and charging control
Decision-making processed.
The method of addressing provided in an embodiment of the present invention, applied in PCC, the PCC includes DRA1, DRA2, PCEF, P-
CSCF and at least one PCRF, Rx interface message is forwarded between P-CSCF and PCRF by DRA1, and PCEF and PCRF passes through DRA2
Forward Gx interface messages, P-CSCF first in the session establishment request message received, obtain MSISDN, then P-CSCF to
DRA1, which is sent, carries MSISDN Rx interface message, last DRA1 according to the MSISDN received, and each MSISDN and
Corresponding relation between each PCRF, PCRF corresponding to MSISDN is determined, and Rx interface message is sent to PCRF.With current DRA1
Compared with carrying out communication by privately owned interface between DRA2, the embodiment of the present invention is by P-CSCF in session establishment request message
MSISDN is obtained, and the Rx interface message for carrying MSISDN is sent to DRA1, enables to DRA1 to get the MSISDN, together
When due to the corresponding relation being stored with DRA1 between each MSISDN and each PCRF, therefore DRA1 can determine that Rx interface disappears
It need not be communicated between PCRF corresponding to breath, i.e. DRA1 and DRA2 by privately owned interface, so as to avoid from difference
It can not be communicated between the DRA1 and DRA2 of producer, cause DRA1 can not determine the situation of PCRF corresponding to Rx interface message,
And then the success rate to PCRF addressing can be improved.
Illustrated as to method shown in Fig. 2, the method that the embodiment of the present invention provides another addressing, such as Fig. 3 institutes
Show, methods described includes：
301st, P-CSCF obtains IMPU in the session establishment request message received.
For the embodiment of the present invention, P-CSCF is the network element with Proxy Call Session Control Function, in ims, can be with
Business information is provided to PCRF, is interacted by Rx interface and PCRF, mark of upper-layer service application etc. is provided to PCRF and closed
Join information, the business information that PCRF is sent according to P-CSCF carries out PCC decision.
For the embodiment of the present invention, when user equipment initiates session, user equipment sends to P-CSCF and carries IMPU
Session establishment request message.In embodiments of the present invention, IP multimedia public identity (English full name：IP Multimedia
Public Identity, english abbreviation：IMPU it is) public subscriber identification of network management IP multimedia subsystem, IMS, can be used for meeting
Talk about initiation protocol (English full name：Session Initiation Protocol, english abbreviation：SIP) the route of message.
Wherein, there are two kinds of forms in IMPU, be respectively：SIP universal resource identifiers (English full name：Uniform
Resource Identifier, english abbreviation：URI) form, Tel URI form.
302nd, P-CSCF judges whether include MSISDN in IMPU.
For the embodiment of the present invention, MSISDN is the phone number of the comprehensive service digital net number, i.e. user of mobile station,
It can be specifically made up of national code, domestic Mobile Access Code and Subscriber Number.For example, MSISDN can be 8618601101234,
Wherein, 86 be national code, and 186 be domestic Mobile Access Code, 01101234 is characterized as Subscriber Number.
For the embodiment of the present invention, P-CSCF by judging the form of the IMPU entrained by conversation request message, it is determined that
Whether MSISDN is included in IMPU.In embodiments of the present invention, when IMPU is Tel URI forms, IMPU can directly be
MSISDN；When IMPU is SIP URI forms, IMPU can be username domain.Wherein, user can be Arbitrary Digit
The combination of word or any letter.For example, when IMPU is Tel URI forms, IMPU can be 8618601101234；Work as IMPU
For SIP URI forms when, IMPU can be 8618601101234 domain or Alex domain.
If including MSISDN in 303a, IMPU, P-CSCF extracts MSISDN in IMPU.
For the embodiment of the present invention, IMPU includes MSISDN, and it is Tel URI forms to refer to IMPU, or is MSISDN@
Domain SIP URI forms.In embodiments of the present invention, when IMPU is Tel URI forms, or it is MSISDN@domain
SIP URI forms when, P-CSCF can directly extract MSISDN in IMPU.
If not including MSISDN in step 303b, IMPU arranged side by side with step 303a, P-CSCF in the server, is inquired about
NAPTR domain names corresponding to IMPU.
Wherein, MSISDN is included in NAPTR domain names.
For the embodiment of the present invention, when P-CSCF judges IMPU form for Tel URI, P-CSCF is directly from IMPU
Extract MSISDN；When P-CSCF judges IMPU form for SIP URI, P-CSCF enters to advance to SIP URI specific form
Judge to one step, if P-CSCF judges that SIP URI form directly extracts for MSISDN@domain, P-CSCF from IMPU
MSISDN；If P-CSCF judges that SIP URI form carries out title in the server for username@domain, P-CSCF
Authority Pointer (English full name：Naming Authority Pointer, english abbreviation：NAPTR) inquire about, obtain username@
NAPTR domain names corresponding to domain.
Wherein, NAPTR inquiries refer to the user name username registered during according to user equipment initiation session, corresponding
NAPTR domain names are inquired about in server.Wherein, server can be telephone number mappings work group (English full name：Telephone
Number Mapping working group, english abbreviation：), or domain name system (English full name ENUM：Domain Name
Server, english abbreviation：DNS), in the ENUM or DNS, be provided with advance and include MSISDN's corresponding to username
NAPTR domain names.
For example, when P-CSCF judges SIP UPI for Alex@domain, when P-CSCF initiates session according to user equipment
The user name Alex of registration, is inquired about in ENUM or DNS, gets the NAPTR domains for including MSISDN corresponding to Alex
Name.
It should be noted that be used to inquire about the servers of NAPTR domain names in the embodiment of the present invention, be not limited to above-mentioned ENUM or
DNS, other it is any can to include the server of MSISDN NAPTR domain names corresponding to preset username, be applicable this hair
Bright embodiment.
Step 304b, P-CSCF after step 303b extracts MSISDN in NAPTR domain names.
For the embodiment of the present invention, MSISDN is directly extracted in IMPU by P-CSCF, or corresponding to IMPU
MSISDN is extracted in NAPTR domain names, enables to carry MSISDN in the Rx interface message of P-CSCF transmissions, so as to reality
DRA1, the PCRF according to corresponding to the Rx interface message determines MSISDN corresponding to existing Rx interface message.
For example, the user of a certain user equipment entitled Alex, corresponding MSISDN are 8618601101234, work as P-CSCF
When judging IMPU form for Alex@domain, P-CSCF inquires about NAPTR domain names corresponding to the IMPU in the server first,
Query Result is " " u " " E2U+sip " "！^.*$！sip：8618601101234@bj.ims.chinaunicom.cn " ", then
The MSISDN corresponding to extraction in the Query Result, the MSISDN extracted is " 8618601101234 ".
305th, 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, can according to IMSI, MSISDN, Realm of user or
The information such as Host, carry out domain in network element addressing, or between domain DRA addressing.Wherein, network element can be PCRF in domain.
For the embodiment of the present invention, Rx is the interface between P-CSCF and PCRF, can be used for forwarding P-CSCF to PCRF
Transmit the session information of application layer.For example, Rx can be used for IP filter information, the service quality of forwarding identification business data flow
(English full name：Quality of Service, english abbreviation：QoS media or application bandwidth demand information) etc..
306th, DRA1 is according to the corresponding relation between the MSISDN received, and each MSISDN and each PCRF, really
Determine PCRF corresponding to MSISDN.
Alternatively, before step 306, can also include：It is corresponding between each MSISDN and each PCRF of DRA1 storages
Relation.
For the embodiment of the present invention, the MSISDN received by DRA1, and each MSISDN of DRA1 storages with it is each
Corresponding relation between individual PCRF, DRA1 is enabled to determine PCRF corresponding to the MSISDN, so as to improve PCRF addressing
Success rate.
307th, DRA1 sends Rx interface message to PCRF.
For the embodiment of the present invention, PCRF has strategy and charging control function, can held according to business data flow and IP
Resource is carried, makes corresponding strategy and charging control decision-making, can also be that PCEF be determined and be provided available strategy and charging control
Decision-making processed.
For the embodiment of the present invention, after step 307, can also include：PCEF first sends Gx interface messages to DRA2,
Then DRA2 determines MSISDN according to the corresponding relation between the MSISDN received, and each MSISDN and each PCRF
Corresponding PCRF, last DRA2 send Gx interface messages to PCRF.Wherein, MSISDN is carried in Gx interface messages.
For the embodiment of the present invention, PCEF has a strategy and charging performs function, PCEF is from PCRF acquisition strategies and meter
Take decision information, perform policy control and charging control based on business.
For the embodiment of the present invention, interfaces of the Gx between PCEF and PCRF, can be used in PCRF dynamic controls PCEF
PCC behaviors, transmit PCC decision signaling.For example, Gx have initiate and safeguard connection, PCEF to PCRF ask PCC decision,
PCRF provides PCC decision to PCEF and terminates the functions such as connection.
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 that is carried in the Gx interface messages received by DRA2, and on DRA2
Corresponding relation between each MSISDN and each PCRF of storage, enables to DRA2 to determine PCRF corresponding to the MSISDN,
So as to realize the addressing to PCRF, and then the Gx interface messages can be sent to corresponding PCRF.
The method of addressing provided in an embodiment of the present invention, applied in PCC, the PCC includes DRA1, DRA2, PCEF, P-
CSCF and at least one PCRF, Rx interface message is forwarded between P-CSCF and PCRF by DRA1, and PCEF and PCRF passes through DRA2
Forward Gx interface messages, P-CSCF first in the session establishment request message received, obtain MSISDN, then P-CSCF to
DRA1, which is sent, carries MSISDN Rx interface message, last DRA1 according to the MSISDN received, and each MSISDN and
Corresponding relation between each PCRF, PCRF corresponding to MSISDN is determined, and Rx interface message is sent to PCRF.With current DRA1
Compared with carrying out communication by privately owned interface between DRA2, the embodiment of the present invention is by P-CSCF in session establishment request message
MSISDN is obtained, and the Rx interface message for carrying MSISDN is sent to DRA1, enables to DRA1 to get the MSISDN, together
When due to the corresponding relation being stored with DRA1 between each MSISDN and each PCRF, therefore DRA1 can determine that Rx interface disappears
It need not be communicated between PCRF corresponding to breath, i.e. DRA1 and DRA2 by privately owned interface, so as to avoid from difference
It can not be communicated between the DRA1 and DRA2 of producer, cause DRA1 can not determine the situation of PCRF corresponding to Rx interface message,
And then the success rate to PCRF addressing can be improved.
Further, the method for addressing provided in an embodiment of the present invention, the MSISDN received by DRA1, and DRA1
Corresponding relation between each MSISDN and each PCRF of storage, enables to DRA1 to determine PCRF corresponding to the MSISDN,
So as to improve the success rate of PCRF addressing；The MSISDN carried in the Gx interface messages received by DRA2, and
Corresponding relation between each MSISDN and each PCRF that are stored on DRA2, enables to DRA2 to determine corresponding to the MSISDN
PCRF, so as to realize the addressing to PCRF, and then the Gx interface messages can be sent to corresponding PCRF；Pass through P-
CSCF directly extracts MSISDN in IMPU, or extracts MSISDN in NAPTR domain names corresponding to IMPU, enables to P-
MSISDN is carried in the Rx interface message that CSCF is sent, so as to realize DRA1 corresponding to Rx interface message, according to the Rx
Interface message determines PCRF corresponding to MSISDN.
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, applied to PCC
In, PCC includes DRA1, DRA2, PCEF, P-CSCF and at least one PCRF, and Rx is forwarded by DRA1 between P-CSCF and PCRF
Interface message, PCEF and PCRF forward Gx interface messages by DRA2, it is possible to increase to the success rate of PCRF addressing, such as Fig. 4 institutes
Show, described device includes：Acquiring unit 41, the first transmitting element 42, the first determining unit 43, the second transmitting element 44.
Acquiring unit 41, in P-CSCF, in the session establishment request message received, obtaining MSISDN.
First transmitting element 42, in P-CSCF, Rx interface message to be sent to DRA1.
Wherein, the MSISDN of the acquisition of acquiring unit 41 is carried in Rx interface message.
First determining unit 43, for the MSISDN in DRA1, sent according to the first transmitting element 42 received, and
Corresponding relation between each MSISDN and each PCRF, determine PCRF corresponding to MSISDN.
Second transmitting element 44, the PCRF in DRA1, being determined to the first determining unit 43 send the Rx interface and disappeared
Breath.
Further, as shown in figure 5, described device also includes：3rd transmitting element 51, the second determining unit the 52, the 4th
Transmitting element 53.
3rd transmitting element 51, in PCEF, Gx interface messages to be sent to DRA2.
Wherein, MSISDN is carried in Gx interface messages.
Second determining unit 52, for the MSISDN in DRA2, sent according to the 3rd transmitting element 51 received, and
Corresponding relation between each MSISDN and each PCRF, determine PCRF corresponding to MSISDN.
4th transmitting element 53, the PCRF in DRA2, being determined to the second determining unit 52 send Gx interface messages.
Alternatively, described device also includes：First memory cell 54, the second memory cell 55.
First memory cell 54, in DRA1, storing the corresponding relation between each MSISDN and each PCRF.
Second memory cell 55, in DRA2, storing the corresponding relation between each MSISDN and each PCRF.
Alternatively, acquiring unit 41 includes：Acquisition module 4101, judge module 4102, extraction module 4103.
Acquisition module 4101, in the session establishment request message received, obtaining IMPU.
Judge module 4102, for judge acquisition module 4101 obtain IMPU in whether include MSISDN.
Extraction module 4103, for when judge module 4102 judges to include MSISDN in IMPU, in IMPU, extracting
MSISDN。
Alternatively, acquiring unit 41 also includes：Enquiry module 4104.
Enquiry module 4104, for when judge module 4102 judges not including MSISDN in IMPU, in the server, looking into
Ask NAPTR domain names corresponding to IMPU.
Wherein, MSISDN is included in NAPTR domain names.
Extraction module 4103, it is additionally operable in the NAPTR domain names that enquiry module 4104 is inquired about, extracts MSISDN.
The device of addressing provided in an embodiment of the present invention, applied in PCC, the PCC includes DRA1, DRA2, PCEF, P-
CSCF and at least one PCRF, Rx interface message is forwarded between P-CSCF and PCRF by DRA1, and PCEF and PCRF passes through DRA2
Forward Gx interface messages, P-CSCF first in the session establishment request message received, obtain MSISDN, then P-CSCF to
DRA1, which is sent, carries MSISDN Rx interface message, last DRA1 according to the MSISDN received, and each MSISDN and
Corresponding relation between each PCRF, PCRF corresponding to MSISDN is determined, and Rx interface message is sent to PCRF.With current DRA1
Compared with carrying out communication by privately owned interface between DRA2, the embodiment of the present invention is by P-CSCF in session establishment request message
MSISDN is obtained, and the Rx interface message for carrying MSISDN is sent to DRA1, enables to DRA1 to get the MSISDN, together
When due to the corresponding relation being stored with DRA1 between each MSISDN and each PCRF, therefore DRA1 can determine that Rx interface disappears
It need not be communicated between PCRF corresponding to breath, i.e. DRA1 and DRA2 by privately owned interface, so as to avoid from difference
It can not be communicated between the DRA1 and DRA2 of producer, cause DRA1 can not determine the situation of PCRF corresponding to Rx interface message,
And then the success rate to PCRF addressing can be improved.
Further, the device of addressing provided in an embodiment of the present invention, the MSISDN received by DRA1, and DRA1
Corresponding relation between each MSISDN and each PCRF of storage, enables to DRA1 to determine PCRF corresponding to the MSISDN,
So as to improve the success rate of PCRF addressing；The MSISDN carried in the Gx interface messages received by DRA2, and
Corresponding relation between each MSISDN and each PCRF that are stored on DRA2, enables to DRA2 to determine corresponding to the MSISDN
PCRF, so as to realize the addressing to PCRF, and then the Gx interface messages can be sent to corresponding PCRF；Pass through P-
CSCF directly extracts MSISDN in IMPU, or extracts MSISDN in NAPTR domain names corresponding to IMPU, enables to P-
MSISDN is carried in the Rx interface message that CSCF is sent, so as to realize DRA1 corresponding to Rx interface message, according to the Rx
Interface message determines PCRF corresponding to MSISDN.
It should be noted that in the PCC provided in the embodiment of the present invention corresponding to each unit other it is corresponding describe, can be with
With reference to the corresponding description in figure 2 and Fig. 3, will not be repeated here.
The device of addressing provided in an embodiment of the present invention can realize the embodiment of the method for above-mentioned offer, concrete function reality
Referring now to the explanation in embodiment of the method, will not be repeated here.The method and device of addressing provided in an embodiment of the present invention can
To be adapted to carry out the addressing to PCRF, but it is not limited only to this.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with
The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (10)
1. a kind of method of addressing, applied in strategy and charging control system PCC, the PCC includes the first route agent and saved
Point DRA1, secondary route agent node DRA2, strategy and charging execution function entity PCEF, Proxy Call Session Control Function are real
Body P-CSCF and at least one "Policy and Charging Rules Function entity PCRF, it is characterised in that the P-CSCF and PCRF
Between Rx interface message forwarded by the DRA1, the PCEF and the PCRF pass through the DRA2 and forward Gx interface messages；
Methods described includes：
The P-CSCF obtains mobile station comprehensive service digital net number in the session establishment request message received
MSISDN；
The P-CSCF sends Rx interface message to the DRA1, and the MSISDN is carried in the Rx interface message；
The DRA1 is according to the MSISDN received, and pair between each MSISDN prestored and each PCRF
It should be related to, determine PCRF corresponding to the MSISDN；
The DRA1 sends the Rx interface message to the PCRF.
2. the method for addressing according to claim 1, it is characterised in that methods described also includes：
The PCEF sends Gx interface messages to the DRA2, and MSISDN is carried in the Gx interface messages；
The DRA2 is according to the MSISDN received, and pair between each MSISDN prestored and each PCRF
It should be related to, determine PCRF corresponding to the MSISDN；
The DRA2 sends the Gx interface messages to the PCRF.
3. addressing method according to claim 2, it is characterised in that the DRA1 according to the MSISDN received,
And the corresponding relation between each MSISDN and each PCRF, before the step of determining PCRF corresponding to the MSISDN, also
Including：
The DRA1 stores the corresponding relation between each MSISDN and each PCRF；
The DRA2 is according to the MSISDN received, and the corresponding relation between each MSISDN and each PCRF, really
Before the step of determining PCRF corresponding to the MSISDN, in addition to：
The DRA2 stores the corresponding relation between each MSISDN and each PCRF.
4. addressing method according to claim 1, it is characterised in that the P-CSCF is in the session establishment request received
In message, obtain mobile station comprehensive service digital net number MSISDN the step of, specifically include：
The P-CSCF obtains IP multimedia public identity IMPU in the session establishment request message received；
The P-CSCF judges whether include the MSISDN in the IMPU；
If including the MSISDN in the IMPU, the P-CSCF extracts the MSISDN in the IMPU.
5. addressing method according to claim 4, it is characterised in that the P-CSCF judges whether included in the IMPU
After the step of MSISDN, in addition to：
If not including the MSISDN in the IMPU, the P-CSCF in the server, inquires about name corresponding to the IMPU
Claim Authority Pointer NAPTR domain names, the MSISDN is included in the NAPTR domain names；
The P-CSCF extracts the MSISDN in the NAPTR domain names.
6. a kind of device of addressing, applied in strategy and charging control system PCC, the PCC includes the first route agent and saved
Point DRA1, secondary route agent node DRA2, strategy and charging execution function entity PCEF, Proxy Call Session Control Function are real
Body P-CSCF and at least one "Policy and Charging Rules Function entity PCRF, it is characterised in that the P-CSCF and PCRF
Between Rx interface message forwarded by the DRA1, the PCEF and the PCRF pass through the DRA2 and forward Gx interface messages；
Described device includes：
Acquiring unit, in the P-CSCF, in the session establishment request message received, obtaining mobile station integrated service
Digital network number MSISDN；
First transmitting element, in the P-CSCF, sending Rx interface message to the DRA1, being taken in the Rx interface message
The MSISDN obtained with the acquiring unit；
First determining unit, in the DRA1, the MSISDN that is sent according to first transmitting element received,
And the corresponding relation between each MSISDN prestored and each PCRF, determine PCRF corresponding to the MSISDN；
Second transmitting element, the PCRF in the DRA1, being determined to first determining unit send the Rx and connect
Mouth message.
7. the device of addressing according to claim 6, it is characterised in that described device also includes：3rd transmitting element,
Two determining units, the 4th transmitting element；
3rd transmitting element, in the PCEF, Gx interface messages are sent to the DRA2, in the Gx interface messages
Carry MSISDN；
Second determining unit, in the DRA2, according to being sent the 3rd transmitting element received
Corresponding relation between MSISDN, and each MSISDN prestored and each PCRF, is determined corresponding to the MSISDN
PCRF；
4th transmitting element, in the DRA2, described in the PCRF that is determined to second determining unit is sent
Gx interface messages.
8. device for addressing according to claim 7, it is characterised in that described device also includes：First memory cell, second
Memory cell；
First memory cell, in the DRA1, storing pair between each MSISDN and each PCRF
It should be related to；
Second memory cell, in the DRA2, storing pair between each MSISDN and each PCRF
It should be related to.
9. device for addressing according to claim 6, it is characterised in that the acquiring unit includes：Acquisition module, judge mould
Block, extraction module；
The acquisition module, in the session establishment request message received, obtaining IP multimedia public identity IMPU；
The judge module, whether the MSISDN is included in the IMPU obtained for judging the acquisition module；
The extraction module, for when the judge module judges to include the MSISDN in the IMPU, in the IMPU
In, extract the MSISDN.
10. device for addressing according to claim 9, it is characterised in that the acquisition module also includes：Enquiry module；
The enquiry module, for when the judge module judges not including the MSISDN in the IMPU, in server
In, NAPTR NAPTR domain names corresponding to the IMPU are inquired about, the MSISDN is included in the NAPTR domain names；
The extraction module, it is additionally operable in the NAPTR domain names of enquiry module inquiry, extracts the MSISDN.
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| CN105050072A (en) * | 2015-08-21 | 2015-11-11 | 中国联合网络通信集团有限公司 | Session binding method and network system |
| 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 |
| CN113543163B (en) * | 2020-04-16 | 2023-08-15 | 中国移动通信集团设计院有限公司 | Method and device for improving Volte end-to-end voice quality |
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| CN102143062A (en) * | 2010-12-28 | 2011-08-03 | 华为技术有限公司 | Policy and charging rule function addressing method, device and system |
| 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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|---|---|---|---|---|
| CN102143062A (en) * | 2010-12-28 | 2011-08-03 | 华为技术有限公司 | Policy and charging rule function addressing method, device and system |
| 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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