CN103906040B - A kind of equipment localization method and system - Google Patents
A kind of equipment localization method and system Download PDFInfo
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- CN103906040B CN103906040B CN201210578494.2A CN201210578494A CN103906040B CN 103906040 B CN103906040 B CN 103906040B CN 201210578494 A CN201210578494 A CN 201210578494A CN 103906040 B CN103906040 B CN 103906040B
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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 kind of equipment localization methods, comprising: strategy and charging execute the identity (ID) that entity (PCEF) sends Network address translators (NAT) equipment to "Policy and Charging Rules Function (PCRF)；The PCRF inquires address conversion relation information to corresponding NAT device according to the ID of the NAT device received.The present invention discloses a kind of PCRF and equipment positioning systems, can be accurately positioned NAT device when inquiring the address information after NAT using method of the invention, PCRF and system, so as to be effectively prevented from inquiry error, and promote search efficiency.
Description
Technical field
The present invention relates to the communications field more particularly to a kind of equipment localization method and systems.
Background technique
The grouping of third generation partner program (3GPP, 3rd Generation Partnership Project) evolution
System (EPS, Evolved Packet System) by evolution Universal Mobile Communication System land radio access web (E-
UTRAN, 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 node composition.
Fig. 1 is the configuration diagram of the EPS system of 3GPP network.As shown in Figure 1, E-UTRAN passes through in EPS system
S1-MME interface is connected with MME, and MME is connected by S6a interface with HSS；S-GW is connected by SI-U interface with EUTRAN, is passed through
S11 interface is connected with MME, is connected by Gxc interface with PCRF, is connected by S5 interface with P-GW, and S-GW is and E-UTRAN phase
Accessing gateway equipment even forwards data between E-UTRAN and P-GW, and is responsible for caching the pending datas such as paging；
P-GW is connected by Gx interface with PCRF, Internet protocol (IP, the Internet provided by SGi interface and operator
Protocol) business is connected, and P-GW is the boundary net of EPS system Yu Packet Data Network (PDN, Packet Data Network)
It closes, is responsible for the access of PDN, forwards data etc. between EPS system and PDN；The IP industry that PCRF is provided by Rx interface and operator
Business network interface connection, obtains business information, is responsible for guaranteeing service quality (QoS, the Quality of of business datum
Service), and charging control is carried out.
In addition, as shown in Figure 1, strategy and charge execution function (PCEF, Policy and charging
Enforcement function) it resides in the P-GW of EPS system, it is connected between PCRF and PCEF by Gx interface, in Gx
Construction strategy session on interface is used for exchanging policy information；Wherein, the strategy session is known as IP-CAN session or Gx meeting
Words；When the interface between P-GW and S-GW is based on PMIPv6, S-GW also has the function of policy control, referred to as bearing binding and
Event reporting function (BBERF, Bearer Binding and Event Reporting Function), BBERF and PCRF it
Between by Gxc interface exchanging policy information, in other words, the construction strategy session on Gxc interface, the tactful meeting on Gxc interface
Words are known as gateway control session or Gxc session.Meanwhile answering for business is provided for user equipment (UE, User Equipment)
With function (AF, Application Function) by the Rx session on Rx interface to PCRF send by generate strategy and based on
Take the business information of control (PCC, Policy and Charging Control) or qos policy.Wherein, Gx session and Rx meeting
Words need to carry relevant identification information, in this way, PCRF could be by Gx session and Rx session the two session associations, to formulate
Correct PCC strategy.
Fig. 2 is the PCC system tray for introducing Network address translators (NAT, Network Address Translation) processing
Structure schematic diagram, under deployment conditions as shown in Figure 2, the session information before and after NAT can be different, and in other words, P-GW/PCEF is obtained
The information (mainly IP address and port numbers) taken is the information before NAT, and the information at AF is the information after NAT.Work as P-GW/
After PCEF and AF reports and submits different information to PCRF respectively, PCRF needs to inquire to NAT server, and obtain by query interface
The incidence relation of the information before and after NAT is known, to could be correctly associated with to session.Here, it should be understood that BBERF
It is not shown in FIG. 2.
Fig. 3 is that actual P-GW/PCEF/NAT network disposes situation schematic diagram, as shown in figure 3, disposing in actual network
In, P-GW can have different NAT device after having multiple and different P-GW, and generally, NAT device can integrate
Onto SOCKS server, certainly, NAT device can also be disposed individually.Under this deployment, since there are multiple P-GW, and
There are different NAT device again after different P-GW, in this way, PCRF receives Gx session establishment/modification of P-GW/PCEF transmission
After request, PCRF is unable to precise positioning to corresponding firewall/NAT device.For example for, as shown in figure 3, coming to PCRF
It says, is that be inquired also to firewall 1/NAT equipment 1 after receiving Gx session establishment/modification request that P-GW1 or P-GW2 is sent
It is that be inquired to firewall 2/NAT equipment 2, is unknowable.If blindly going to inquire, may result in error or
Cause search efficiency low.
Summary of the invention
In view of this, the main purpose of the present invention is to provide a kind of equipment localization method and system, after inquiring NAT
When address information, it can be accurately positioned NAT device, so as to be effectively prevented from inquiry error, and promote search efficiency.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
The present invention provides a kind of equipment localization methods, this method comprises:
PCEF sends the identity (ID, IDentity) of NAT device to PCRF；
The PCRF believes according to the ID of the NAT device received to corresponding NAT device inquiry address conversion relationship
Breath.
In above scheme, this method further include:
The ID of the NAT device is configured on the PCEF, alternatively,
The PCEF obtains the ID of the NAT device.
In above scheme, the ID is IP address or is universe name (FQDN, Fully Qualifed Domain
Name).
In above scheme, the ID of the NAT device of transmission is carried in the request of Gx session establishment or Gx session modification request
In.
In above scheme, the PCRF inquires address to corresponding NAT device according to the ID of the NAT device received
Transformational relation information, comprising:
The PCRF sends query messages to the corresponding NAT device according to the ID of the NAT device received；
Comprising the address information before NAT in the query messages, the corresponding NAT device is returned to the PCRF and institute
The corresponding address conversion relation information of address information before stating NAT.
In above scheme, this method further include:
The PCRF saves the address conversion relation information inquired；
Address information, the address information that AF is reported and submitted and the address conversion saved that the PCRF is reported and submitted according to PCEF are closed
It is information, is associated with Gx session and AF session.
In above scheme, the address information before the NAT includes private IP address and port numbers, alternatively, including private ip
Address.
In above scheme, the address conversion relationship are as follows: private IP address and port numbers and public ip address and port numbers
Corresponding relationship or be private IP address and public ip address and port numbers set corresponding relationship.
The present invention also provides a kind of PCRF, which includes: enquiry module, for according to the ID of NAT device received,
Address conversion relation information is inquired to corresponding NAT device.
In above scheme, the PCRF further include: receiving module, the ID of the NAT device for receiving PCEF transmission；
And/or
The PCRF further include: relating module, for saving the address conversion relation information inquired；And it is reported and submitted according to PCEF
Address information, the address information reported and submitted of AF and the address conversion relation information saved, be associated with Gx session and AF session.
Invention further provides a kind of equipment positioning system, which includes: PCEF, PCRF and NAT device；Wherein,
PCEF, for sending the ID of NAT device to PCRF；
After PCRF, the ID of the NAT device for receiving PCEF transmission, according to the ID of the NAT device received, to
Corresponding NAT device inquires address conversion relation information；
NAT device, for providing address conversion relation information to PCRF.
In above scheme, the system further include: configuration unit, for configuring the ID of the NAT device on PCEF；Or
Person,
The PCEF is also used to obtain the ID of the NAT device.
In above scheme, the PCRF is also used to save the address conversion relation information inquired；And according to the ground of preservation
The address information that the address information and AF that location transformational relation information, PCEF are reported and submitted are reported and submitted is associated with Gx session and AF session.
Equipment localization method provided by the invention and system, PCEF send the ID of NAT device to PCRF；The PCRF according to
The ID of the NAT device received inquires address conversion relation information to corresponding NAT device, so, it is possible to be accurately determined
The NAT device of corresponding address conversion relation information is preserved, to efficiently avoid inquiry error, and improves inquiry effect
Rate, and then ensure that the correct association of Gx session and Rx session.
In addition to this, PCRF is reported and submitted according to address conversion relation information, the PCEF of the preservation address information reported and submitted and AF
Address information, Gx session and AF session are associated with, in this way, can be correctly the business formulation of UE when formulating PCC strategy
PCC strategy.
Detailed description of the invention
Fig. 1 is the configuration diagram of the EPS system of 3GPP network；
Fig. 2 is the PCC configuration diagram for introducing NAT；
Fig. 3 is that actual P-GW/PCEF/NAT network disposes situation schematic diagram；
Fig. 4 is present device localization method flow diagram；
Fig. 5 is one equipment localization method flow diagram of embodiment；
Fig. 6 is two equipment localization method flow diagram of embodiment
Fig. 7 is present device positioning system structure schematic diagram.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is further described in more detail.
Present device localization method, as shown in Figure 4, comprising the following steps:
Step 400: the ID of NAT device is configured on PCEF, alternatively, PCEF obtains the ID of the NAT device；
Here, PCEF is obtained there are many implementations of the ID of the NAT device, such as: PCEF can pass through other nets
Member reports the mode of the ID of the NAT device to obtain the ID etc. of the NAT device；Wherein, other described network elements can be described
NAT device or S-GW etc.；
In EPS system, PCEF is resided in the P-GW；Certainly, method of the invention is equally applicable to other communications
In system, correspondingly, PCEF can be resided in corresponding network element device, such as: PCEF may reside in general grouped wireless
Gateway GPRS Support Node (GGSN, Gateway of (GPRS, the General Packet Radio Service) system of service
GPRS Support Node) on；Alternatively, PCEF may reside within broad access network gate (BNG, the Broadband of fixed network gateway
Network Gateway)/the side IP/Broadband Remote Access Server (BRAS, Broadband Remote Access Server)
In boundary's router (IP Edge)；Alternatively, PCEF may reside within CDMA (CDMA, Code Division Multiple
Access) home agent (HA, Home agent)/packet data serving node (PDSN, the Packet Data of system
Serving Node)/high-rate packet data services gateway (HSGW, High rate packetdata Severing
GateWay in), alternatively, PCEF may reside within worldwide interoperability for microwave accesses (WiMax, Worldwide
Interoperability for Microwave Access) system HA it is medium；
The ID can be IP address or FQDN etc.；
The NAT device specifically can be NAT server.
Step 401: the PCEF sends the ID of the NAT device to PCRF；
Here, the ID of the NAT device of transmission can be carried in the request of Gx session establishment or Gx session modification request；
Wherein, the Gx session can also be known as IP-CAN session.
Step 402: the PCRF inquires address conversion to corresponding NAT device according to the ID of the NAT device received
Relation information.
Here, the address conversion relationship can be with are as follows: private IP address and port numbers and public ip address and port numbers
Corresponding relationship, or can be with are as follows: the corresponding relationship of private IP address and public ip address and port numbers set；
The specific implementation of this step includes:
The PCRF sends query messages to the corresponding NAT device according to the ID of the NAT device received；
Comprising the address information before NAT in the query messages, the corresponding NAT device is returned to the PCRF and institute
The corresponding address conversion relation information of address information before stating NAT；
Further, the corresponding NAT device can according to the address information before the NAT in the query messages received,
Address information after inquiring corresponding NAT in the information of address conversion locally saved, and by receiveing the response address conversion
Relation information is response to the PCRF；
Wherein, the address information before the NAT includes: private IP address and port numbers, or, comprising: private IP address；
Correspondingly, the address information after the NAT includes: public ip address and port numbers, or, comprising: public ip address and port
Number set；In other words, the address when address information before the NAT includes private IP address and port numbers, after the NAT
Information includes: public ip address and port numbers；When address information before the NAT includes: private IP address, after the NAT
Address information include: public ip address and port numbers set.
After the completion of this step, this method be can further include:
The PCRF saves the address conversion relation information inquired；The PCRF believes according to the address conversion relationship of preservation
The address information that the address information and AF that breath, PCEF are reported and submitted are reported and submitted is associated with AF session and Gx session, and is the business system of UE
Determine PCC strategy；Wherein, the address information that PCEF is reported and submitted includes: private IP address and port numbers, or, comprising: private ip
Location；Correspondingly, the address information that the AF is reported and submitted includes: public ip address and port numbers, or, comprising: public ip address and
Port numbers set.
The present invention is described in further detail again below with reference to embodiment.
Embodiment one
The application scenarios of the present embodiment are as follows: in EPS system, when business is initiated, NAT server is corresponding for traffic assignments
Correspondence with foreign country port numbers, PCRF to NAT server inquires private IP address and port numbers and public ip address and port numbers
Corresponding relationship.Wherein, the public ip address of business and port numbers are specified by NAT server dynamic when business is initiated.
In the present embodiment, PCEF is resided in P-GW, the ID of NAT server is configured on P-GW/PCEF, alternatively, P-GW/
PCEF gets the ID of NAT server by other means, wherein the ID is generally IP address or FQDN, P-GW/PCEF
When initiating Gx session/IP-CAN session modification request to PCRF, P-GW/PCEF carries the ID of NAT server, the business
Private IP address and port numbers；The ID for the NAT server that PCRF is reported and submitted according to P-GW/PCEF finds corresponding NAT server,
And go to inquire the private IP address and the corresponding public ip address of port numbers and port numbers of the business.The positioning of the present embodiment equipment
Method, as shown in Figure 5, comprising the following steps:
Step 501:UE is initially accessed EPS network, alternatively, after UE newly establishes a PDN connection from EPS network, PCRF and
Gx session/IP-CAN session is established between P-GW, executes step 502 later；
Here, during establishing Gx session/IP-CAN session, P-GW/PCEF can be by the private ip of the business
Address is sent to PCRF, the private IP address of the business can not also be sent to PCRF.
Step 502:UE and AF carries out application layer negotiation, executes step 503 later；
Here, after carrying out application layer negotiation, AF gets the public ip address and port numbers of the business.
Step 503 ~ 504: application layer service data stream is by P-GW detection senses；Application layer service data stream is serviced by NAT
Device detection senses, and corresponding public ip address and port numbers are specified for the private IP address and port numbers of the business, later
Execute step 505；
Here, in practical application, step 503 and 504 the no sequencing of execution.
Step 505:P-GW/PCEF initiates Gx session/IP-CAN session modification request to PCRF；
Here, after being deployed with NAT server in network, for P-GW/PCEF according to network deployment information, will learn should
Gx session/IP-CAN session modification request is initiated to PCRF；
The ID of ID, PDN of UE and the private IP address and port numbers of the business are carried in the modification request
Deng；In addition to this, the ID of NAT server is also carried in the modification request, wherein the ID of the NAT server can be
IP address or FQDN.
After step 506:PCRF receives modification request, according to the ID of the P-GW/PCEF NAT server reported and submitted, to corresponding
NAT server initiates query messages；
Here, the ID of the NAT server carried in the modification request should be to which in addition to being used to indicate PCRF
The inquiry of NAT server is outer, is also used to indicate that PCRF makees search operation；In other words, PCRF receives the ID for carrying NAT server
Modification request after, according to the ID of the NAT server, know that there are private address conversions in network, it should search demesne
The corresponding relationship of location information and publicly-owned address information, then, further according to the ID of the NAT server, to corresponding NAT server
Initiate query messages；
The private IP address and port numbers of P-GW/PCEF transmission are carried in the query messages.
After step 507 ~ 508:NAT server receives query messages, according to the PCRF private IP address reported and submitted and port numbers,
Inquire corresponding public ip address and port numbers, and by receiveing the response the public ip address that will be inquired and port numbers are sent to
PCRF；PCRF is received receive the response after, save the public ip address and port numbers and private IP address and port numbers of the business
Corresponding relationship, later execute step 509；
Here, the public ip address for saving the business and port numbers and private IP address and the corresponding of port numbers are closed
System, in other words, saves the address conversion relation information inquired.
Step 509: when UE initiates the business, AF passes through Rx interface to PCRF sending business information；
Here, the business information includes the public ip address and port numbers of the business；
In actual application, step 509 is possible to occur before step 508, in other words, step 508 and
The no sequencing of the execution of step 509.If PCRF first has received the business information that AF is sent by Rx interface, PCRF is needed
After the completion of wanting waiting step 508 to execute, then execute step 510.Step 510:PCRF is according to the P-GW/PCEF private ip reported and submitted
Public ip address and port numbers that location and port numbers, AF are reported and submitted and the address conversion relation information saved, association Gx session and
AF session continues to execute step 511 later；
Here, the public ip address and end that PCRF is reported and submitted according to the P-GW/PCEF private IP address reported and submitted and port numbers, AF
Slogan and the address conversion relation information saved, can correctly be associated with Gx session and AF session, and can correctly be UE
Business formulate PCC strategy.
Step 511:PCRF formulates PCC strategy according to corresponding business stream information, and will be under PCC strategy by Gx session
The packet-based core networks (EPC, Evolved Packet Core) for being dealt into evolution execute, and carry out to the business for flowing through EPC network
Control and management.
Embodiment two
The application scenarios of the present embodiment are as follows: in EPS system, in Gx session/IP-CAN session establishment, i.e., gone by PCRF
NAT server inquires the address information after NAT.Wherein, private IP address and public ip address and the end of business are configured in NAT
The fixed correspondence of slogan set.
In the present embodiment, PCEF is resided in P-GW, the ID of NAT server is configured on P-GW/PCEF, alternatively, P-GW/
PCEF gets the ID of NAT server by other means, wherein the ID is generally IP address or FQDN, P-GW/PCEF
When initiating Gx session/IP-CAN session establishment request to PCRF, P-GW/PCEF carries the ID of NAT server and the private of business
There is IP address；The ID for the NAT server that PCRF is reported and submitted according to P-GW/PCEF finds corresponding NAT server, and goes to inquire privately owned
The corresponding public ip address of IP address and port numbers.The present embodiment equipment localization method, as shown in Figure 6, comprising the following steps:
Step 601:UE is initially accessed EPS network and executes later alternatively, UE newly establishes a PDN connection from EPS network
Step 602；
Step 602: after accessing EPS network or establishing PDN connection, P-GW/PCEF initiates Gx session/IP-CAN meeting to PCRF
Words establish request；
Here, after being deployed with NAT server in network, for P-GW/PCEF according to network deployment information, will learn should
Gx session/IP-CAN session establishment request is initiated to PCRF；
It is described to establish the ID that ID, PDN of UE are carried in request and private IP address of the business etc.；Except this with
Outside, described establish in request also carries the ID of NAT server, wherein the ID of the NAT server can be IP address or
FQDN。
After step 603:PCRF receives foundation request, according to the ID of the P-GW/PCEF NAT server reported and submitted, to corresponding
NAT server initiates query messages；
Here, the ID of the NAT server carried in the modification request should be to which in addition to being used to indicate PCRF
The inquiry of NAT server is outer, is also used to indicate that PCRF makees search operation；In other words, PCRF receives the ID for carrying NAT server
Modification request after, according to the ID of the NAT server, know that there are private address conversions in network, it should search demesne
The corresponding relationship of location information and publicly-owned address information, then, further according to the ID of the NAT server, to corresponding NAT server
Initiate query messages；
The private IP address of P-GW/PCEF transmission is carried in the query messages.
After step 604 ~ 605:NAT server receives query messages, the private IP address reported and submitted according to PCRF, inquiry is corresponded to
Public ip address and port numbers set, and by receive the response the public ip address that will be inquired and port numbers set response to
PCRF；PCRF is received receive the response after, save the public ip address of the business and pair of port numbers set and private IP address
It should be related to, execute step 606 later；
Here, the corresponding relationship of the public ip address for saving the business and port numbers set and private IP address,
In other words, the address conversion relation information inquired is saved.
Step 606: when UE initiates the business, AF passes through Rx interface to PCRF sending business information；
Here, the business information includes the public ip address and port numbers of the business；
In actual application, step 606 is possible to occur before step 605, in other words, step 605 and
The no sequencing of the execution of step 606.If PCRF first has received the business information that AF is sent by Rx interface, PCRF is needed
After the completion of wanting waiting step 605 to execute, then execute step 607.
Step 607: public ip address and port numbers that the private IP address reported and submitted according to P-GW/PCEF, AF are reported and submitted and
The address conversion relation information of preservation, is associated with Gx session and AF session later, continues to execute step 608 later；
Here, public ip address and port numbers that PCRF is reported and submitted according to P-GW/PCEF private IP address, AF are reported and submitted, with
And the address conversion relation information saved, it can be correctly associated with Gx session and AF session, and can correctly be the business of UE
Formulate PCC strategy.
Step 608:PCRF formulates PCC strategy according to corresponding business stream information, and will be under PCC strategy by Gx session
It is dealt into EPC execution, the business for flowing through EPC network is controlled and managed.
To realize the above method, the present invention also provides a kind of PCRF, which includes: enquiry module, for according to receipts
The ID of the NAT device arrived inquires NAT address conversion relation information to corresponding NAT device.
The PCRF can further include: receiving module, the ID of the NAT device for receiving PCEF transmission.
The PCRF can further include: relating module, for saving the address conversion relation information inquired；And root
The address information and the address conversion relation information saved that the address information reported and submitted according to PCEF, AF are reported and submitted, association Gx session and
AF session；Wherein, the address information that the PCEF is reported and submitted includes: private IP address and port numbers, or, comprising: private ip
Location；Correspondingly, the address information that the AF is reported and submitted includes: public ip address and port numbers, or, comprising: public ip address and
Port numbers set.To realize the above method, and it is based on above-mentioned PCRF, the present invention also provides a kind of equipment positioning system, such as Fig. 7
Shown, which includes: PCEF71, PCRF72 and NAT device 73；Wherein,
PCEF71, for sending the ID of NAT device to PCRF；
After PCRF72, the ID of the NAT device for receiving PCEF71 transmission, according to the NAT device received
ID inquires address conversion relation information to corresponding NAT device 73；
NAT device 73, for providing address conversion relation information to PCRF72.
Wherein, which can further include: configuration unit, for configuring the NAT device on PCEF71
ID；Alternatively, the PCEF71, is also used to obtain the ID of the NAT device.
The PCRF72 is also used to save the address conversion relation information inquired；And it is closed according to the address conversion of preservation
It is the address information that information, PCEF71 are reported and submitted and the address information that AF is reported and submitted, is associated with Gx session and AF session；Wherein,
The address information that PCEF71 is reported and submitted includes: private IP address and port numbers, or, comprising: private IP address；Correspondingly, described
The address information that AF is reported and submitted includes: public ip address and port numbers, or, comprising: public ip address and port numbers set.
Here, the concrete processing procedure of the PCRF in the system of the invention and NAT device is hereinbefore described in detail, no
It repeats again.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (10)
1. a kind of equipment localization method, which is characterized in that this method comprises:
Strategy and charging execute the body that entity PCEF sends Network address translators NAT device to strategy and charging regulation entity PCRF
Part mark ID；
The PCRF inquires address conversion relation information to corresponding NAT device according to the ID of the NAT device received；
The PCRF saves the address conversion relation information inquired；
Address information, the address information that application function AF is reported and submitted and the address saved that the PCRF is reported and submitted according to PCEF turn
Relation information is changed, Gx session and AF session are associated with.
2. the method according to claim 1, wherein this method further include:
The ID of the NAT device is configured on the PCEF, alternatively,
The PCEF obtains the ID of the NAT device.
3. the method according to claim 1, wherein the ID is internet protocol address or is universe name
FQDN。
4. the method according to claim 1, wherein the ID carrying of the NAT device sent is built in Gx session
In vertical request or Gx session modification request.
5. method according to any one of claims 1 to 4, which is characterized in that the PCRF is set according to the NAT received
Standby ID inquires address conversion relation information to corresponding NAT device, comprising:
The PCRF sends query messages to the corresponding NAT device according to the ID of the NAT device received；
Comprising the address information before NAT in the query messages, the corresponding NAT device to the PCRF return with it is described
The corresponding address conversion relation information of address information before NAT.
6. according to the method described in claim 5, it is characterized in that, the address information before the NAT include private IP address and
Port numbers, alternatively, including private IP address.
7. according to the method described in claim 6, it is characterized in that, the address conversion relationship are as follows: private IP address and port
Number with the corresponding relationship of public ip address and port numbers or be the corresponding of private IP address and public ip address and port numbers set
Relationship.
8. a kind of PCRF, which is characterized in that the PCRF includes: enquiry module, the NAT device for being sent according to the PCEF received
ID, to corresponding NAT device inquire address conversion relation information；Relating module is closed for saving the address conversion inquired
It is information；And address information, the address information that AF is reported and submitted and the address conversion relation information saved reported and submitted according to PCEF,
It is associated with Gx session and AF session.
9. a kind of equipment positioning system, which is characterized in that the system includes: PCEF, PCRF and NAT device；Wherein,
PCEF, for sending the ID of NAT device to PCRF；
After PCRF, the ID of the NAT device for receiving PCEF transmission, according to the ID of the NAT device received, to correspondence
NAT device inquire address conversion relation information；It is also used to save the address conversion relation information inquired；And according to preservation
The address information that the address information and AF that address conversion relation information, PCEF are reported and submitted are reported and submitted is associated with Gx session and AF session；
NAT device, for providing address conversion relation information to PCRF.
10. system according to claim 9, which is characterized in that the system further include: configuration unit, in PCEF
Configure the ID of the NAT device；Alternatively, the PCEF, is also used to obtain the ID of the NAT device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210578494.2A CN103906040B (en) | 2012-12-27 | 2012-12-27 | A kind of equipment localization method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103906040A CN103906040A (en) | 2014-07-02 |
| CN103906040B true CN103906040B (en) | 2019-08-30 |
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| 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 |
| US10148614B2 (en) * | 2016-07-27 | 2018-12-04 | Oracle International Corporation | Methods, systems, and computer readable media for applying a subscriber based policy to a network service data flow |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN102739820A (en) * | 2012-06-28 | 2012-10-17 | 杭州华三通信技术有限公司 | Message network address conversion processing method and network equipment |
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| US9106541B2 (en) * | 2008-12-10 | 2015-08-11 | Telefonaktiebolaget L M Ericsson (Publ) | Token-based correlation of control sessions for policy and charging control of a data session through a NAT |
| 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 |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN102739820A (en) * | 2012-06-28 | 2012-10-17 | 杭州华三通信技术有限公司 | Message network address conversion processing method and network equipment |
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| WO2014101588A1 (en) | 2014-07-03 |
| CN103906040A (en) | 2014-07-02 |
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