CN103906040A - Device positioning method and system - Google Patents
Device positioning method and system Download PDFInfo
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- CN103906040A CN103906040A CN201210578494.2A CN201210578494A CN103906040A CN 103906040 A CN103906040 A CN 103906040A CN 201210578494 A CN201210578494 A CN 201210578494A CN 103906040 A CN103906040 A CN 103906040A
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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
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
Abstract
The invention discloses a device positioning method which includes: a PCEF (Policy and Charging Enforcement Function) sends an ID (Identity) of a NAT (Network Address Translation) device to a PCRF (Policy and Charging Rules Function); and the PCRF inquires address translation relation information to a corresponding NAT device according to the received ID of the NAT device. The invention also discloses the PCRF and a device positioning system at the same time. Through adoption of the method, the PCRF and the system, after query of the address information of the NAT, the NAT device can be positioned accurately so that query errors can be prevented effectively and query efficiency is improved.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of equipment localization method and system.
Background technology
Third generation partner program (3GPP, 3rd Generation Partnership Project) grouping system (EPS of evolution, Evolved Packet System) by the universal mobile telecommunications system land radio access web (E-UTRAN of evolution, Evolved Universal Terrestrial Radio Access Network), mobile management unit (MME, Mobility Management Entity), gateway (S-GW, Serving Gateway), grouped data network gateway (P-GW or PDN GW, Packet Data Network Gateway), home subscriber server (HSS, Home Subscriber Server), "Policy and Charging Rules Function (PCRF, Policy and Charging Rules Function) entity and other support nodes composition.
Fig. 1 is the configuration diagram of the EPS system of 3GPP network.As shown in Figure 1, in EPS system, E-UTRAN is connected with MME by S1-MME interface, and MME is connected with HSS by S6a interface; S-GW is connected with EUTRAN by SI-U interface, be connected with MME by S11 interface, be connected with PCRF by Gxc interface, be connected with P-GW by S5 interface, S-GW is the accessing gateway equipment being connected with E-UTRAN, forwarding data between E-UTRAN and P-GW, and be responsible for the pending datas such as paging to carry out buffer memory; P-GW is connected with PCRF by Gx interface, Internet protocol (the IP providing by SGi interface and operator, Internet Protocol) business be connected, P-GW is EPS system and the (PDN of Packet Data Network, Packet Data Network) borde gateway, be responsible for the access of PDN, forwarding data etc. between EPS system and PDN; The IP operation network interface that PCRF provides with operator by Rx interface is connected, and obtains business information, is responsible for ensureing the service quality (QoS, Quality of Service) of business datum, and carries out charging control.
In addition, as shown in Figure 1, strategy and charge execution function (PCEF, Policy and charging enforcement function) reside in the P-GW of EPS system, between PCRF and PCEF, be connected by Gx interface, construction strategy session on Gx interface, for exchanging policy information; Wherein, described strategy session is called IP-CAN session or Gx session; When the interface between P-GW and S-GW is during based on PMIPv6, S-GW also has the function of policy control, be called bearing binding and event reporting function (BBERF, Bearer Binding and Event Reporting Function), between BBERF and PCRF, pass through Gxc interface exchanging policy information, in other words, construction strategy session on Gxc interface, the strategy session on Gxc interface is called gateway control session or Gxc session.Simultaneously, for subscriber equipment (UE, User Equipment) application function (AF of business is provided, Application Function) send and be used for generating strategy and the business information of charging control (PCC, Policy and Charging Control) or qos policy to PCRF by the Rx session on Rx interface.Wherein, Gx session and Rx session need to be carried relevant identification information, and so, PCRF could be by Gx session and these two session associations of Rx session, thereby formulate correct PCC strategy.
Fig. 2 is for introducing Network address translators (NAT, Network Address Translation) process PCC system architecture schematic diagram, under deployment conditions as shown in Figure 2, session information before and after NAT can be different, in other words, the information (being mainly IP address and port numbers) that P-GW/PCEF obtains is the information before NAT, and the information at AF place is the information after NAT.When P-GW/PCEF and AF report and submit to PCRF respectively after different information, PCRF need to pass through query interface, to NAT server lookup, and knows the incidence relation of the information before and after NAT, thereby could carry out correct association to session.Here it should be noted that: BBERF is not shown in Figure 2.
Fig. 3 is actual P-GW/PCEF/NAT network design situation schematic diagram, as shown in Figure 3, in actual network design, P-GW can exist multiple, and can there is different NAT device after different P-GW, usually, NAT device can be integrated on SOCKS server, certainly, NAT device also can be disposed separately.Under this deployment, owing to there being multiple P-GW, and after different P-GW, there is again different NAT device, so, PCRF receives that after Gx session establishment/amendment request of P-GW/PCEF transmission, PCRF can not arrive corresponding fire compartment wall/NAT device by precise positioning.Giving an example, as shown in Figure 3, concerning PCRF, receive after Gx session establishment/amendment request of P-GW1 or P-GW2 transmission, is inquire about or should inquire about to fire compartment wall 2/NAT equipment 2 to fire compartment wall 1/NAT equipment 1, is unknowable.If go blindly inquiry, may cause makeing mistakes or causing search efficiency low.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of equipment localization method and system, in the time of the address information of inquiring about after NAT, can accurately locate NAT device, thereby can effectively avoid inquiry to make mistakes, and promote search efficiency.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of equipment localization method, the method comprises:
PCEF sends the identify label (ID, IDentity) of NAT device to PCRF;
Described PCRF is according to the ID of the described NAT device of receiving, to corresponding NAT device inquire address transformational relation information.
In such scheme, the method also comprises:
On described PCEF, configure the ID of described NAT device, or,
Described PCEF obtains the ID of described NAT device.
In such scheme, described ID is IP address or is universe name (FQDN, Fully Qualifed Domain Name).
In such scheme, the ID of the described NAT device of transmission is carried in the request of Gx session establishment or Gx session modification request.
In such scheme, described PCRF, according to the ID of the described NAT device of receiving, to corresponding NAT device inquire address transformational relation information, comprising:
Described PCRF, according to the ID of the described NAT device of receiving, sends query messages to the NAT device of described correspondence;
In described query messages, comprise the address information before NAT, the NAT device of described correspondence returns to the address transition relation information corresponding with address information before described NAT to described PCRF.
In such scheme, the method also comprises:
Described PCRF preserves the address transition relation information inquiring;
The address information that described PCRF reports and submits according to PCEF, the address information that AF reports and submits and the address transition relation information of preserving, associated Gx session and AF session.
In such scheme, the address information before described NAT comprises private IP address and port numbers, or, comprise private IP address.
In such scheme, described address transition is closed and is: the corresponding relation of private IP address and port numbers and public ip address and port numbers or the corresponding relation for private IP address and public ip address and port numbers set.
The present invention also provides a kind of PCRF, and this PCRF comprises: enquiry module, the ID of the NAT device of receiving for basis, to corresponding NAT device inquire address transformational relation information.
In such scheme, this PCRF also comprises: receiver module, the ID of described NAT device sending for receiving PCEF; And/or,
This PCRF also comprises: relating module, for preserving the address transition relation information inquiring; And the address information of reporting and submitting according to PCEF, the AF address information of reporting and submitting and the address transition relation information of preserving, associated Gx session and AF session.
The present invention provides again a kind of equipment navigation system, and this system comprises: PCEF, PCRF and NAT device; Wherein,
PCEF, for sending the ID of NAT device to PCRF;
PCRF, for receiving after the ID of described NAT device of PCEF transmission, according to the ID of the described NAT device of receiving, to corresponding NAT device inquire address transformational relation information;
NAT device, for providing address transition relation information to PCRF.
In such scheme, this system also comprises: dispensing unit, for configure the ID of described NAT device on PCEF; Or,
Described PCEF, also for obtaining the ID of described NAT device.
In such scheme, described PCRF, also for preserving the address transition relation information inquiring; And the address information of reporting and submitting according to the address transition relation information of preserving, address information that PCEF reports and submits and AF, associated Gx session and AF session.
Equipment localization method provided by the invention and system, PCEF sends the ID of NAT device to PCRF; Described PCRF is according to the ID of the described NAT device of receiving, to corresponding NAT device inquire address transformational relation information, so, can accurately determine the NAT device of preserving corresponding address transition relation information, thereby effectively avoid inquiry to make mistakes, and promoted search efficiency, and then ensure the correct associated of Gx session and Rx session.
In addition, the address information that PCRF reports and submits according to the address transition relation information of preserving, address information that PCEF reports and submits and AF, associated Gx session and AF session, so, in the time formulating PCC strategy, can be correctly the business formulation PCC strategy of UE.
Brief description of the drawings
Fig. 1 is the configuration diagram of the EPS system of 3GPP network;
Fig. 2 is the PCC configuration diagram of introducing NAT;
Fig. 3 is actual P-GW/PCEF/NAT network design situation schematic diagram;
Fig. 4 is present device localization method schematic flow sheet;
Fig. 5 is embodiment mono-equipment localization method schematic flow sheet;
Fig. 6 is embodiment bis-equipment localization method schematic flow sheets
Fig. 7 is present device positioning system structure schematic diagram.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is further described in more detail.
Present device localization method, as shown in Figure 4, comprises the following steps:
Step 400: configure the ID of NAT device on PCEF, or PCEF obtains the ID of described NAT device;
Here, the implementation that PCEF obtains the ID of described NAT device has multiple, such as: PCEF can obtain by the mode of the ID of NAT device described in other reported by network elements ID of described NAT device etc.; Wherein, described other network elements can be described NAT device, or S-GW etc.;
In EPS system, PCEF resides in described P-GW; Certainly, method of the present invention is equally applicable in other communication systems, accordingly, PCEF can reside in corresponding network element device, such as: PCEF can reside at general packet radio service (GPRS, General Packet Radio Service) on the Gateway GPRS Support Node (GGSN, Gateway GPRS Support Node) of system; Or, PCEF can reside in the broad access network gate (BNG of fixed network gateway, Broadband Network Gateway) in/Broadband Remote Access Server (BRAS, Broadband Remote Access Server)/IP border router (IP Edge); Or, PCEF can reside in code division multiple access (CDMA, Code Division Multiple Access) home agent (HA of system, Home agent)/packet data serving node (PDSN, Packet Data Serving Node)/high-rate packet data services gateway (HSGW, High rate packetdata Severing GateWay) in, or, it is medium that PCEF can reside in the HA of worldwide interoperability for microwave access (WiMax, Worldwide Interoperability for Microwave Access) system;
Described ID can be IP address or FQDN etc.;
Described NAT device can be specifically NAT server.
Step 401: described PCEF sends the ID of described NAT device to PCRF;
Here, the ID of the described NAT device of transmission can be carried in the request of Gx session establishment or Gx session modification request; Wherein, described Gx session can also be called IP-CAN session.
Step 402: described PCRF is according to the ID of the described NAT device of receiving, to corresponding NAT device inquire address transformational relation information.
Here, described address transition relation can be: the corresponding relation of private IP address and port numbers and public ip address and port numbers, or can be: the corresponding relation of private IP address and public ip address and port numbers set;
The specific implementation of this step comprises:
Described PCRF, according to the ID of the described NAT device of receiving, sends query messages to the NAT device of described correspondence;
In described query messages, comprise the address information before NAT, the NAT device of described correspondence returns to the address transition relation information corresponding with address information before described NAT to described PCRF;
Further, the NAT device of described correspondence can be according to the address information before the NAT in the query messages of receiving, in the information of address conversion of preserving in this locality, inquire about the address information after corresponding NAT, and by receiveing the response address transition relation information response to described PCRF;
Wherein, the address information before described NAT comprises: private IP address and port numbers, or, comprising: private IP address; Accordingly, the address information after described NAT comprises: public ip address and port numbers, or, comprising: public ip address and port numbers set; In other words, in the time that the address information before described NAT comprises private IP address and port numbers, the address information after described NAT comprises: public ip address and port numbers; When the address information before described NAT comprises: when private IP address, the address information after described NAT comprises: public ip address and port numbers set.
After this step completes, the method can further include:
Described PCRF preserves the address transition relation information inquiring; The address information that described PCRF reports and submits according to the address transition relation information of preserving, address information that PCEF reports and submits and AF, associated AF session and Gx session, and be the business formulation PCC strategy of UE; Wherein, the address information that PCEF reports and submits comprises: private IP address and port numbers, or, comprising: private IP address; Accordingly, the address information that described AF reports and submits comprises: public ip address and port numbers, or, comprising: public ip address and port numbers set.
Below in conjunction with embodiment, the present invention is described in further detail again.
Embodiment mono-
The application scenarios of the present embodiment is: in EPS system, in the time that business is initiated, NAT server is the port numbers of correspondence with foreign country corresponding to traffic assignments, and PCRF is to the corresponding relation of NAT server lookup private IP address and port numbers and public ip address and port numbers.Wherein, the public ip address of business and port numbers, in the time that business is initiated, are dynamically specified by NAT server.
In the present embodiment, PCEF resides in P-GW, on P-GW/PCEF, dispose the ID of NAT server, or, P-GW/PCEF gets the ID of NAT server by other means, and wherein, described ID is generally IP address or FQDN, when P-GW/PCEF initiates Gx session/IP-CAN session modification request to PCRF, P-GW/PCEF has carried the ID of NAT server, private IP address and the port numbers of described business; The ID of the NAT server that PCRF reports and submits according to P-GW/PCEF finds corresponding NAT server, and goes to inquire about private IP address and corresponding public ip address and the port numbers of port numbers of described business.The present embodiment equipment localization method, as shown in Figure 5, comprises the following steps:
Step 501:UE initially accesses EPS network, or UE, from EPS network is newly set up a PDN connection, sets up Gx session/IP-CAN session between PCRF and P-GW, perform step afterwards 502;
Here, setting up in the process of Gx session/IP-CAN session, P-GW/PCEF can send to PCRF by the private IP address of described business, also can the private IP address of described business not sent to PCRF.
Step 502:UE and AF carry out application layer negotiation, perform step afterwards 503;
Here, carry out after application layer negotiation, AF gets public ip address and the port numbers of described business.
Step 503 ~ 504: application layer service data flows by P-GW detection senses; Application layer service data flows by NAT server detection senses, and specifies corresponding public ip address and port numbers for private IP address and the port numbers of described business, performs step afterwards 505;
Here,, in the time of practical application, step 503 and 504 execution do not have sequencing.
Step 505:P-GW/PCEF initiates Gx session/IP-CAN session modification request to PCRF;
Here,, when being deployed with in network after NAT server, P-GW/PCEF, according to network design information, will learn and initiate Gx session/IP-CAN session modification request to PCRF;
In described amendment request, carry the ID of ID, PDN and private IP address and the port numbers etc. of described business of UE; In addition, also carry the ID of NAT server in described amendment request, wherein, the ID of described NAT server can be IP address or FQDN.
Step 506:PCRF receives that, after amendment request, the ID of the NAT server of reporting and submitting according to P-GW/PCEF, initiates query messages to corresponding NAT server;
Here, the ID of the described NAT server carrying in described amendment request should, to which NAT server lookup, also be used to indicate PCRF and do search operation except being used to indicate PCRF; In other words, PCRF receives after the amendment request of the ID that carries NAT server, according to the ID of described NAT server, know and in network, have private address conversion, should search the corresponding relation of private address information and publicly-owned address information, then, then according to the ID of described NAT server, initiate query messages to corresponding NAT server;
In described query messages, carry private IP address and port numbers that P-GW/PCEF sends.
Step 507 ~ 508:NAT server is received after query messages, and the private IP address of reporting and submitting according to PCRF and port numbers are inquired about corresponding public ip address and port numbers, and by receiveing the response, the public ip address inquiring and port numbers is sent to PCRF; After PCRF receives and receives the response, preserve the corresponding relation of public ip address and port numbers and private IP address and the port numbers of described business, perform step afterwards 509;
Here, the corresponding relation of the public ip address of the described business of described preservation and port numbers and private IP address and port numbers, in other words, preserves the address transition relation information inquiring.
Step 509: in the time that UE initiates described business, AF by Rx interface to PCRF sending business information;
Here public ip address and port numbers that, described business information comprises described business;
In actual application, before step 509 likely can occur in step 508, in other words, the execution of step 508 and step 509 does not have sequencing.If PCRF has first received the business information that AF sends by Rx interface, after PCRF needs waiting step 508 complete, then perform step 510.The public ip address that the private IP address that step 510:PCRF reports and submits according to P-GW/PCEF and port numbers, AF report and submit and port numbers and the address transition relation information of preserving, associated Gx session and AF session, afterwards, continue execution step 511;
Here, the public ip address that the private IP address that PCRF reports and submits according to P-GW/PCEF and port numbers, AF report and submit and port numbers and the address transition relation information of preserving, correctly associated Gx session and AF session, and can be correctly the business formulation PCC strategy of UE.
Step 511:PCRF is according to corresponding Business Stream information, formulate PCC strategy, and by Gx session, PCC policy distribution is carried out to the packet-based core networks (EPC, Evolved Packet Core) of evolution, the described business of the EPC network of flowing through is carried out to control and management.
Embodiment bis-
The application scenarios of the present embodiment is: in EPS system, in the time of Gx session/IP-CAN session establishment, go the address information after NAT server lookup NAT by PCRF.Wherein, the private IP address of business and the fixed correspondence of public ip address and port numbers set in NAT, have been configured.
In the present embodiment, PCEF resides in P-GW, on P-GW/PCEF, dispose the ID of NAT server, or, P-GW/PCEF gets the ID of NAT server by other means, and wherein, described ID is generally IP address or FQDN, when P-GW/PCEF initiates the request of Gx session/IP-CAN session establishment to PCRF, P-GW/PCEF has carried the ID of NAT server and the private IP address of business; The ID of the NAT server that PCRF reports and submits according to P-GW/PCEF finds corresponding NAT server, and goes to inquire about public ip address corresponding to private IP address and port numbers.The present embodiment equipment localization method, as shown in Figure 6, comprises the following steps:
Step 601:UE initially accesses EPS network, or UE newly sets up a PDN from EPS network and connects, and performs step afterwards 602;
Step 602: access EPS network or set up after PDN connection, P-GW/PCEF initiates the request of Gx session/IP-CAN session establishment to PCRF;
Here,, when being deployed with in network after NAT server, P-GW/PCEF, according to network design information, will learn and initiate the request of Gx session/IP-CAN session establishment to PCRF;
In described foundation request, carry the ID of ID, PDN and the private IP address of described business etc. of UE; In addition, also carry the ID of NAT server in described foundation request, wherein, the ID of described NAT server can be IP address or FQDN.
Step 603:PCRF receives after the request of foundation, and the ID of the NAT server of reporting and submitting according to P-GW/PCEF initiates query messages to corresponding NAT server;
Here, the ID of the described NAT server carrying in described amendment request should, to which NAT server lookup, also be used to indicate PCRF and do search operation except being used to indicate PCRF; In other words, PCRF receives after the amendment request of the ID that carries NAT server, according to the ID of described NAT server, know and in network, have private address conversion, should search the corresponding relation of private address information and publicly-owned address information, then, then according to the ID of described NAT server, initiate query messages to corresponding NAT server;
In described query messages, carry the private IP address that P-GW/PCEF sends.
Step 604 ~ 605:NAT server is received after query messages, and the private IP address of reporting and submitting according to PCRF is inquired about corresponding public ip address and port numbers set, and by receiveing the response the public ip address inquiring and port numbers set response to PCRF; After PCRF receives and receives the response, preserve the corresponding relation of public ip address and port numbers set and the private IP address of described business, perform step afterwards 606;
Here, the public ip address of the described business of described preservation and the corresponding relation of port numbers set and private IP address, in other words, preserve the address transition relation information inquiring.
Step 606: in the time that UE initiates described business, AF by Rx interface to PCRF sending business information;
Here public ip address and port numbers that, described business information comprises described business;
In actual application, before step 606 likely can occur in step 605, in other words, the execution of step 605 and step 606 does not have sequencing.If PCRF has first received the business information that AF sends by Rx interface, after PCRF needs waiting step 605 complete, then perform step 607.
Step 607: the private IP address of reporting and submitting according to P-GW/PCEF, the public ip address that AF reports and submits and port numbers and the address transition relation information of preserving, associated Gx session and AF session, afterwards, afterwards, continue execution step 608;
Here, the private IP address that PCRF reports and submits according to P-GW/PCEF, the public ip address that AF reports and submits and port numbers and the address transition relation information of preserving, correctly associated Gx session and AF session, and can be correctly the business formulation PCC strategy of UE.
Step 608:PCRF, according to corresponding Business Stream information, formulates PCC strategy, and by Gx session, PCC policy distribution is carried out to EPC, and the described business of the EPC network of flowing through is carried out to control and management.
For realizing said method, the present invention also provides a kind of PCRF, and this PCRF comprises: enquiry module, for according to the ID of the NAT device of receiving, inquire about NAT address transition relation information to corresponding NAT device.
This PCRF can further include: receiver module, the ID of described NAT device sending for receiving PCEF.
This PCRF can further include: relating module, for preserving the address transition relation information inquiring; And the address information of reporting and submitting according to PCEF, the AF address information of reporting and submitting and the address transition relation information of preserving, associated Gx session and AF session; Wherein, the address information that described PCEF reports and submits comprises: private IP address and port numbers, or, comprising: private IP address; Accordingly, the address information that described AF reports and submits comprises: public ip address and port numbers, or, comprising: public ip address and port numbers set.For realizing said method, and based on above-mentioned PCRF, the present invention also provides a kind of equipment navigation system, and as shown in Figure 7, this system comprises: PCEF71, PCRF72 and NAT device 73; Wherein,
PCEF71, for sending the ID of NAT device to PCRF;
PCRF72, for receiving after the ID of described NAT device of PCEF71 transmission, according to the ID of the described NAT device of receiving, to corresponding NAT device 73 inquire address transformational relation information;
Wherein, this system can further include: dispensing unit, for configure the ID of described NAT device on PCEF71; Or described PCEF71, also for obtaining the ID of described NAT device.
Described PCRF72, also for preserving the address transition relation information inquiring; And the address information of reporting and submitting according to the address transition relation information of preserving, address information that PCEF71 reports and submits and AF, associated Gx session and AF session; Wherein, the address information that PCEF71 reports and submits comprises: private IP address and port numbers, or, comprising: private IP address; Accordingly, the address information that described AF reports and submits comprises: public ip address and port numbers, or, comprising: public ip address and port numbers set.
Here, the PCRF in described system of the present invention and the concrete processing procedure of NAT device describe in detail hereinbefore, repeat no more.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.
Claims (13)
1. an equipment localization method, is characterized in that, the method comprises:
The identify label (ID) of entity (PCEF) to "Policy and Charging Rules Function (PCRF) transmission Network address translators (NAT) equipment carried out in strategy and charging;
Described PCRF is according to the ID of the described NAT device of receiving, to corresponding NAT device inquire address transformational relation information.
2. method according to claim 1, is characterized in that, the method also comprises:
On described PCEF, configure the ID of described NAT device, or,
Described PCEF obtains the ID of described NAT device.
3. method according to claim 1, is characterized in that, described ID is Internet protocol (IP) address or is universe name (FQDN).
4. method according to claim 1, is characterized in that, the ID of the described NAT device of transmission is carried in the request of Gx session establishment or Gx session modification request.
5. according to the method described in claim 1 to 4 any one, it is characterized in that, described PCRF, according to the ID of the described NAT device of receiving, to corresponding NAT device inquire address transformational relation information, comprising:
Described PCRF, according to the ID of the described NAT device of receiving, sends query messages to the NAT device of described correspondence;
In described query messages, comprise the address information before NAT, the NAT device of described correspondence returns to the address transition relation information corresponding with address information before described NAT to described PCRF.
6. method according to claim 5, is characterized in that, the method also comprises:
Described PCRF preserves the address transition relation information inquiring;
The address information that described PCRF reports and submits according to PCEF, the address information that application function (AF) is reported and submitted and the address transition relation information of preserving, associated Gx session and AF session.
7. method according to claim 5, is characterized in that, the address information before described NAT comprises private IP address and port numbers, or, comprise private IP address.
8. method according to claim 7, is characterized in that, described address transition is closed and is: the corresponding relation of private IP address and port numbers and public ip address and port numbers or the corresponding relation for private IP address and public ip address and port numbers set.
9. a PCRF, is characterized in that, this PCRF comprises: enquiry module, the ID of the NAT device of receiving for basis, to corresponding NAT device inquire address transformational relation information.
10. PCRF according to claim 9, is characterized in that, this PCRF also comprises: receiver module, the ID of described NAT device sending for receiving PCEF; And/or,
This PCRF also comprises: relating module, for preserving the address transition relation information inquiring; And the address information of reporting and submitting according to PCEF, the AF address information of reporting and submitting and the address transition relation information of preserving, associated Gx session and AF session.
11. 1 kinds of equipment navigation systems, is characterized in that, this system comprises: PCEF, PCRF and NAT device; Wherein,
PCEF, for sending the ID of NAT device to PCRF;
PCRF, for receiving after the ID of described NAT device of PCEF transmission, according to the ID of the described NAT device of receiving, to corresponding NAT device inquire address transformational relation information;
NAT device, for providing address transition relation information to PCRF.
12. systems according to claim 11, is characterized in that, this system also comprises: dispensing unit, for configure the ID of described NAT device on PCEF; Or,
Described PCEF, also for obtaining the ID of described NAT device.
13. according to the system described in claim 11 or 12, it is characterized in that, described PCRF, also for preserving the address transition relation information inquiring; And the address information of reporting and submitting according to the address transition relation information of preserving, address information that PCEF reports and submits and AF, associated Gx session and AF session.
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| CN201210578494.2A CN103906040B (en) | 2012-12-27 | 2012-12-27 | A kind of equipment localization method and system |
| PCT/CN2013/087453 WO2014101588A1 (en) | 2012-12-27 | 2013-11-19 | Device location method and system thereof |
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| CN201210578494.2A CN103906040B (en) | 2012-12-27 | 2012-12-27 | A kind of equipment localization method and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106998542A (en) * | 2016-01-22 | 2017-08-01 | 中国电信股份有限公司 | Method and system for configuring PCC strategies |
| CN109644179A (en) * | 2016-07-27 | 2019-04-16 | 甲骨文国际公司 | Strategy based on subscriber is applied to method, system and the computer-readable medium of network service data stream |
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| CN102148767A (en) * | 2011-05-12 | 2011-08-10 | 杭州华三通信技术有限公司 | Network address translation (NAT)-based data routing method and device |
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| CN102158514A (en) * | 2010-02-11 | 2011-08-17 | 中兴通讯股份有限公司 | Communication system and service policy information association method |
| CN102158562A (en) * | 2010-02-11 | 2011-08-17 | 中兴通讯股份有限公司 | Method and system for sending out PCC (program-controlled computer) strategy information |
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| CN106998542A (en) * | 2016-01-22 | 2017-08-01 | 中国电信股份有限公司 | Method and system for configuring PCC strategies |
| CN106998542B (en) * | 2016-01-22 | 2020-08-07 | 中国电信股份有限公司 | Method and system for configuring PCC policy |
| CN109644179A (en) * | 2016-07-27 | 2019-04-16 | 甲骨文国际公司 | Strategy based on subscriber is applied to method, system and the computer-readable medium of network service data stream |
| CN109644179B (en) * | 2016-07-27 | 2021-08-03 | 甲骨文国际公司 | Methods, systems, and computer readable media for applying subscriber-based policies to network service data flows |
Also Published As
| Publication number | Publication date |
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| WO2014101588A1 (en) | 2014-07-03 |
| CN103906040B (en) | 2019-08-30 |
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