CN102158562A - Method and system for sending out PCC (program-controlled computer) strategy information - Google Patents
Method and system for sending out PCC (program-controlled computer) strategy information Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
- H04L12/1403—Architecture for metering, charging or billing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/66—Policy and charging system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/24—Accounting or billing
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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
- H04L61/2514—Translation of Internet protocol [IP] addresses between local and global IP addresses
Abstract
The invention provides a method and a system for sending out PCC (program-controlled computer) strategy information. The service information provided to PCRF (policy and charging rules function) by AF (audio frequency) for making PCC rule is based on the converted IP (internet protocol) address and port number in an external grouping network, namely when a network address translation function entity is arranged, the PCRF acquires the address information of service strategy information which is not translated according to a NAT (network address translation) corresponding table generated by the network address translation function entity, performs the relevance and strategy decision for the service PCC strategy according to the address information of service strategy information which is not translated, and executes the PCC strategy rule supplying process to send the PCC rule to the PCEF (policy and charging enforcement function). By the using of the method and system, the PCRF correct relevance service strategy information is ensured and the PCC strategy rule is sent to the corresponding PCEF.
Description
Technical field
The present invention relates to third generation partner program (3GPP, 3rd Generation Partnership Project) grouping system (EPS of evolution, Evolved Packet System) technology, relate in particular to a kind of under the Network address translators scene, the method and system of the distributing policy and control (PCC, the Policy and Charging Control) policy information that charges.
Background technology
Fig. 1 is existing third generation partner program (3GPP, 3rd Generation Partnership Project) grouping system (EPS of evolution, Evolved Packet System) composition configuration diagram, as shown in Figure 1, universal mobile telecommunications system land radio access web (the E-UTRAN that mainly comprises evolution, EvolvedUniversal Terrestrial Radio Access Network), mobile management unit (MME, MobilityManagement Entity), gateway (S-GW, Serving Gateway), grouped data network gateway (P-GW, Packet Data Network Gateway, be also referred to as PDN GW), home subscriber server (HSS, Home Subscriber Server), "Policy and Charging Rules Function unit (PCRF, Policy andCharging Rules Function) entity and other support nodes are formed.Wherein, E-UTRAN links to each other with MME by S1-MME, and MME links to each other with HSS by S6a; S-GW is the accessing gateway equipment that links to each other with E-UTRAN, transmits data between E-UTRAN and P-GW, and is responsible for pending datas such as paging are carried out buffer memory, S-GW links to each other with EUTRAN by SI-U, link to each other with MME by S11, link to each other with PCRF, link to each other with P-GW by S5 by Gxc; P-GW then is the borde gateway of EPS and Packet Data Network (PDN, Packet Data Network), is responsible for the access of PDN, transmits data etc. between EPS and PDN, and P-GW links to each other with PCRF by Gx, and the IP operation that provides by SGi and operator links to each other; PCRF is by Rx interface and the Internet protocol (IP of operator, Internet Protocol) the business network interface connects, obtain business information, and link to each other with gateway device in the 3GPP network by the Gx/Gxa/Gxb/Gxc interface, be responsible for initiating the foundation of IP carrying, guarantee the service quality (QoS, Qualityof Service) of business datum, and the control of chargeing.
The PCC structural representation that Fig. 2 charges and controls for the existing EPC of support dynamic strategy, as shown in Figure 2, strategy and charge execution function (PCEF, Policy and charging enforcement function) reside among the P-GW of EPS system, pass through Gx interface exchange message between PCRF and PCEF.When the interface between P-GW and S-GW during based on PMIPv6, also there is the function of policy control in S-GW, be called bearing binding and event reporting function (BBERF, Bearer Binding and Event Reporting Function), pass through Gxc interface exchange message between BBERF and the PCRF.Simultaneously, for subscriber equipment (UE) provides professional application function (AF, Application Function) sends to PCRF by Rx interface and be used to generate strategy and the business information of control of chargeing (PCC, Policy and Charging Control) or qos policy.
EPS can provide the charge information of bearing bed to charge system, comprises offline charging and online charging.For online charging, mutual by P-GW and OCS when UE inserts by 3GPP, carry out credit control.P-GW generates charge information and sends to charge system, wherein includes charging identifier, and the charging identifier here is called Access Network charging identifier (Access-Network-Charging-Identifier), also can be described as the bearing bed charging identifier.
Simultaneously, application server also can provide the charge information of application layer to charge system, and charge information also adopts charging identifier to identify, and the charging identifier here is called application function charging identifier (AF-Charging-Identifier).This charging identifier produces and sends to relevant application server by AF in the prior art.
Related for bearing bed charge information that charge system produced certain business of user capture and application layer charge information are carried out, P-GW/PCEF and AF must send to the other side by the charging identifier that PCRF will produce separately.Like this, when P-GW/PCEF carries AF-Charging-Identifier when charge system send to adopt the bearing bed charge information of Access Network charging identifier, and when sending the charge information of employing application function charging identifier, charge system carries Access-Network-Charging-Identifier when application server.Charge system just can be carried out related with the application layer charge information bearing bed.
The IPv6 transition method just begins one's study from IETF NGTRAN working group in 1994 the earliest, setting up 6Bone in 1996 experimentizes, first group of IPv6 standard RFC of issue in 1998, NGTRAN working group closed in 2003, thought at that time that the mainstream technology that may occur all finished, IETF does not have the RFC that produces about IPv6 in enormous quantities afterwards, the CNGI experimental network of China also was to reach first high point in 2003/2004 year, the main IPv6 transitional technology that adopted of CNGI network design all was the relevant RFC of main IPv6 that produced at that time at that time, transitional technology is at that time mainly concentrated and is comprised: two stacks, translation and the three kinds of technology in tunnel.Up to 2007, along with two stack scaled-down version (DS-Lite, Dual-Stack Lite), carrying level Network address translators (CGN, Carrier Grade Network Address Translation), the address adds port (A+P, Address+Port), IPv6 is to the NAT technology (NAT64 of IPv4, Network Address Translation6 to 4), based on the proposition of a series of novel transitional technologies such as Prefix-NAT of host translation, IETF reached an agreement again in 2008 and will formulate new translation and tunneling technique.
Current popular IPv6 migrating technology mainly is PNAT technology, GI_DS_LITE technology and NAT64+DNS64 technology.Wherein, PNAT technology and NAT64+DNS64 Technology Need are disposed the address translator of IPv6 address to the IPv4 address between the core network of EPC and outside packet data network, and the GI_DS_LITE Technology Need is disposed carrying level network translation gateway (CGN) and carried out translation between IPV4 private net address and the IPV4 public network address being positioned at EPC core network edge.Therefore, which kind of IPv6 migrating technology all needs conversion is carried out in the IP address.And the existence of IP address translation equipment, just make identical PDN connect and be carried on inner IP address and the port numbers of using of EPC, different with IP address and the port numbers used in the extenal grouped network, if AF offers IP address and port numbers through conversion that business information that PCRF is used for formulating the PCC rule is based on extenal grouped network, and PCRF need formulate and issue based on giving the performance element PCEF of PCC rule without the IP address of conversion and the PCC rule of port numbers.Because PCRF can't obtain the corresponding relation of IP address mapping at present, therefore, the business game information that PCRF can't provide AF is connected dedicated bearer with pairing PDN and is associated, and specifies and issues the PCC rule of corresponding dedicated bearer and give PCEF.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method and system of the PCC of issuing policy information, can guarantee that PCRF correctly is handed down to the PCC policy information corresponding PCEF.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method that issues the PCC policy information comprises:
"Policy and Charging Rules Function unit PCRF judges and receives the relevant address information of business game information is through translating, according to the network address translation NAT correspondence table that the network address translation functions entity generates, the address information of the business game information of address translation is not passed through in acquisition;
PCRF carries out the related and strategic decision-making of business game and charging control PCC strategy according to the address information of the business game information of not passing through address translation, and execution PCC policing rule provides flow process to issue the PCC rule to strategy and charge execution function PCEF.
Described PCRF judges and receives the relevant address information of business game information is that this method also comprises not through what translate:
Described PCRF carries out the association and the strategic decision-making of professional PCC strategy according to address information, and carrying out the PCC policing rule then provides flow process to issue the PCC rule to PCEF.
Be provided with Network address translators adapter and functional entity among the described PCRF;
The described acquisition not address information of the business game information of process address translation comprises:
Functional entity on the described PCRF sends the Network address translators information inquiry message that carries the Business Stream address information that need carry out reverse translation to the Network address translators adapter;
The Network address translators adapter obtains to comprise the NAT correspondence table of described business game address information from the network address translation functions entity, and the Business Stream address information is carried out reverse translation;
The functional entity of described Network address translators adapter in PCRF sends the Network address translators information inquiry response message that carries through the Business Stream information of reverse translation.
Described network address translation functions entity comprises: the IPv6 address is to the translation of IPv4 address, and/or the IPV4 address is to the translation of IPv4 address, and/or the IPv4 address is to the translation of IPv6 address.
The method of described judgement comprises:
The purpose PCRF configuration attribute that pushes described Business Stream information according to application function AF judges that if described PCRF is deployed in the network of NAT conversion, then judging the described relevant address information of business game information that receives is through translating.
A kind of system that issues the PCC policy information comprises "Policy and Charging Rules Function unit PCRF, network address translation functions entity, strategy and charge execution function PCEF at least, wherein,
PCRF is used to judge and receives the relevant address information of business game information for through translation, according to the network address translation NAT correspondence table that the network address translation functions entity generates, obtains not pass through the address information of the business game information of address translation; According to the address information of the business game information of not passing through address translation, carry out the related and strategic decision-making of business game and charging control PCC strategy, and execution PCC policing rule provides flow process to issue the PCC rule to strategy and charge execution function PCEF;
The network address translation functions entity is used for the NAT correspondence table is changed and generated in the IP address;
PCEF resides among the P-GW, receives the PCC rule that issues from PCRF.
This system also comprises AF, is used for sending the business game information that is used to formulate PCC or qos policy to PCRF by Rx interface.
The P-GW that described PCEF is resident also is used to receive the PCC rule from PCRF, installs and execution PCC rule, initiates the foundation of IP_CAN carrying as required, revises or the deletion flow process.
Described PCRF is provided with the Network address translators adapter at least and is used to handle the functional unit of PCC policy information;
Wherein, the functional unit on the PCRF is used for receiving business game information from described AF by Rx interface, judges the relevant address information of this business game information for through translation, then sends the indication notice to the Network address translators adapter; According to address information, carry out the association and the strategic decision-making of professional PCC strategy, and execution PCC policing rule provides flow process to issue the PCC rule to PCEF from the Network address translators adapter;
The Network address translators adapter, be used for receiving the indication notice, carry out alternately with the network address translation functions entity, obtain the NAT correspondence table that comprises this business game address information, address information to the business game information that receives is carried out reverse translation, obtains not through the address information of the business game information of address translation and returns to functional entity on the PCRF.
Described network address translation functions entity and P-GW unification are disposed, and perhaps conduct is independently disposed separately the network function unit;
Described network address translation functions entity is disposed separately, is connected by a newly-increased Gxn interface between then described Network address translators adapter and the network address translation functions entity; Perhaps,
Described network address translation functions entity and P-GW unification are disposed, and then described Network address translators adapter is connected with described network address translation functions entity by the Gx interface between existing and the PCEF.
Described network address translation functions entity comprises: the IPv6 address is to the translation of IPv4 address, and the IPV4 address is to the translation of IPv4 address, and the IPv4 address is to the translation of IPv6 address.
The technical scheme that provides from the invention described above as can be seen, offer IP address and the port numbers that business information that PCRF is used for formulating the PCC rule is based on extenal grouped network at AF through conversion, promptly when being deployed with the network address translation functions entity, the NAT correspondence table that PCRF of the present invention generates according to the network address translation functions entity, the address information of the business game information of address translation is not passed through in acquisition, and according to the address information of the business game information of not passing through address translation, carry out the association and the strategic decision-making of professional PCC strategy, and execution PCC policing rule provides flow process to issue the PCC rule to PCEF.Guaranteed the correct associated services policy information of PCRF, and correctly the PCC policy information has been handed down to corresponding PCEF.
Description of drawings
Fig. 1 is the composition configuration diagram of existing 3GPP EPS;
The PCC structural representation that Fig. 2 charges and controls for the existing EPC of support dynamic strategy;
Fig. 3 is that the present invention issues the composition structural representation of the system of PCC policy information under the independent scene of disposing of network address translation functions entity;
Fig. 4 is that the present invention issues the composition structural representation of the system of PCC policy information under the scene of network address translation functions entity and P-GW unification deployment;
Fig. 5 issues the flow chart of the method for PCC policy information for the present invention;
Fig. 6 issues the schematic flow sheet of the embodiment of PCC policy information for the present invention.
Embodiment
Fig. 3 is under the independent scene of disposing of network address translation functions entity, the present invention issues the composition structural representation of the system of PCC policy information, Fig. 4 is that the present invention issues the composition structural representation of the system of PCC policy information under the scene of network address translation functions entity and P-GW unification deployment.As shown in Figure 3 and Figure 4, mainly comprise AF, P-GW, PCRF and network address translation functions entity, wherein,
AF is used for sending the business game information that is used to formulate PCC or qos policy to PCRF by Rx interface.
P-GW, wherein resident have a PCEF, between PCEF and PCRF by Gx interface exchange message.Reception is installed and execution PCC rule from the PCC rule of PCRF, initiates the foundation of IP_CAN carrying as required, revises or the deletion flow process.
The network address translation functions entity is used for the NAT correspondence table is changed and generated in the IP address.It is that the network address translation functions entity is arranged on (as shown in Figure 4) among the P-GW that the network address translation functions entity can be disposed with P-GW unification, also can be used as independently the network function unit and disposes (as shown in Figure 3) separately.The network address translation functions entity includes but not limited to the translation of IPv6 address to the IPv4 address, and the IPV4 address is to the translation of IPv4 address, and the IPv4 address is to the translation of IPv6 address.
PCRF wherein is provided with Network address translators adapter and the functional unit that is used to handle the PCC policy information at least.Wherein, if the network address translation functions entity is disposed separately, so, be connected by a newly-increased Gxn interface between Network address translators adapter and the network address translation functions entity; If network address translation functions entity and P-GW unification are disposed, so, the Network address translators adapter can be connected with the network address translation functions entity by the Gx interface between existing and the PCEF.
Functional unit on the PCRF is used for receiving business game information from AF by Rx interface, judges the relevant address information of this business game information for through translation, then sends the indication notice to the Network address translators adapter; According to address information from the Network address translators adapter, carry out the association and the strategic decision-making of professional PCC strategy, carrying out the PCC policing rule then provides flow process to issue the PCC rule to PCEF;
The Network address translators adapter, be used for receiving the indication notice, by and the network address translation functions entity between Gxn interface or Gx interface, carry out alternately with the network address translation functions entity, obtain the NAT correspondence table that comprises this business game address information, address information to the business game information that receives is carried out reverse translation, obtains not through the address information of the business game information of address translation and returns to functional entity on the PCRF.
Fig. 5 is the flow chart that the present invention issues the method for PCC policy information, as shown in Figure 5, mainly comprises:
Step 500:PCRF judges and receives the relevant address information of business game information for through translation, according to the NAT correspondence table that the network address translation functions entity generates, obtains not pass through the address information of the business game information of address translation.
Step 501: according to the address information of the business game information of not passing through address translation, carry out the association and the strategic decision-making of professional PCC strategy, and execution PCC policing rule provides flow process to issue the PCC rule to PCEF.
From the inventive method as can be seen, offer IP address and the port numbers that business information that PCRF is used for formulating the PCC rule is based on extenal grouped network at AF through conversion, promptly when being deployed with the network address translation functions entity, the NAT correspondence table that PCRF of the present invention generates according to the network address translation functions entity, the address information of the business game information of address translation is not passed through in acquisition, and according to the address information of the business game information of not passing through address translation, carry out the association and the strategic decision-making of professional PCC strategy, and execution PCC policing rule provides flow process to issue the PCC rule to PCEF.Guaranteed the correct associated services policy information of PCRF, and correctly the PCC policy information has been handed down to corresponding PCEF.
Fig. 6 issues the schematic flow sheet of the embodiment of PCC policy information for the present invention, in the present embodiment, UE carries out Network and uses mutual, AF provides business information, the Network address translators adaptation procedure that PCRF utilizes Fig. 3 of the present invention and Fig. 4 to propose, each IP traffic bearing bed charging identifier and the QoS information related with it that comprises in the realization business information is carried out correct related; And the network address translation functions entity is an independent community in the hypothesis present embodiment, as shown in Figure 6, may further comprise the steps:
Step 600: the user carries out Operational Visit, and it is mutual to carry out application layer by UE and AF.In this process, the network address translation functions entity generates the address transition correspondence table of the session of related service correspondence.
Step 601:AF sends this professional PCC policy information by the policy development and the decision package of Rx interface in PCRF, comprising address information such as the five-tuple of describing this Business Stream, comprise source IP address, purpose IP address, source port number, destination slogan and protocol number.
Policy development on the step 602:PCRF and decision package are judged the address translation whether network address information in the professional PCC policy information that receives passes through the network address translation functions entity.If judge this network address information without NAT translation, then execution in step 6031 and step 6041; Otherwise, begin to carry out from step 6032.
In this step, the foundation of judgement can be according to network configuration, such as: the purpose PCRF configuration attribute according to AF pushes Business Stream information if this PCRF is deployed in the network of NAT conversion, then needs Business Stream is carried out reverse translation etc.The present invention does not limit on specific implementation, is not intended to limit the scope of the invention yet.
Step 6031:PCRF carries out the association and the strategic decision-making of professional PCC strategy according to address information, and carrying out the PCC policing rule then provides flow process to issue the PCC rule to PCEF.
Step 6041:PCEF installs and carries out the PCC rule, initiates the foundation of IP_CAN carrying as required, revises or the deletion flow process.Process ends.
The specific implementation of step 6031 and step 5041 belongs to prior art, and irrelevant with purpose of the present invention, no longer describes in detail here.
Policy development on the step 6032:PCRF and decision package send Network address translators information inquiry message to the Network address translators adapter, carry the Business Stream address information that need carry out reverse translation in Network address translators information inquiry message.
Step 6042: the Network address translators adapter carries out alternately with the network address translation functions entity by newly-increased Gxn interface, and obtains to comprise the NAT correspondence table of this business game address information, and the Business Stream address information is carried out reverse translation.
In this step, reverse translation is handled and is included but not limited to that the session five-tuple (source IP address, purpose IP address, source port number, destination slogan, protocol number) for Business Stream carries out reverse translation.Table 1 is the correspondence table of original session information and the session information after NAT handles.
| Original session information | Session information after NAT handles |
| Source IP address 2010:12ab::8800 source port number 9000 purpose IP address 2010::122.0.0.100 destination slogan 80 agreement TCP | Source IP address 202.112.121.100 source port number 8100 purpose IP address 122.0.0.100 destination slogan 80 agreement TCP |
Table 1
With table 1 is example, and the Network address translators adapter can extract the information shown in the table 1 from NAT information, and the Business Stream information from AF is mated, and handles preceding Business Stream information for NAT after the reverse translation.Concrete, this Business Stream address information is converted to the IPv6 session information from the IPv4 session information.
Step 6052: policy development and the decision package of Network address translators adapter in PCRF sends Network address translators information inquiry response message, in Network address translators information inquiry response message, carry Business Stream information (as the five-tuple before the NAT translation) through reverse translation.
Step 6062:PCRF carries out the association and the strategic decision-making of professional PCC strategy according to the Business Stream address information through reverse translation, and carrying out the PCC policing rule then provides flow process to issue the PCC rule to PCEF.
Step 6072:PCEF installs and carries out the PCC rule, initiates the foundation of IP_CAN carrying as required, revises or the deletion flow process.
The specific implementation of step 5062 and step 5072 belongs to prior art, and irrelevant with purpose of the present invention, no longer describes in detail here.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a method that issues the PCC policy information is characterized in that, comprising:
"Policy and Charging Rules Function unit PCRF judges and receives the relevant address information of business game information is through translating, according to the network address translation NAT correspondence table that the network address translation functions entity generates, the address information of the business game information of address translation is not passed through in acquisition;
PCRF carries out the related and strategic decision-making of business game and charging control PCC strategy according to the address information of the business game information of not passing through address translation, and execution PCC policing rule provides flow process to issue the PCC rule to strategy and charge execution function PCEF.
2. method according to claim 1 is characterized in that, described PCRF judges and receives the relevant address information of business game information is that this method also comprises not through what translate:
Described PCRF carries out the association and the strategic decision-making of professional PCC strategy according to address information, and carrying out the PCC policing rule then provides flow process to issue the PCC rule to PCEF.
3. method according to claim 1 and 2 is characterized in that, is provided with Network address translators adapter and functional entity among the described PCRF;
The described acquisition not address information of the business game information of process address translation comprises:
Functional entity on the described PCRF sends the Network address translators information inquiry message that carries the Business Stream address information that need carry out reverse translation to the Network address translators adapter;
The Network address translators adapter obtains to comprise the NAT correspondence table of described business game address information from the network address translation functions entity, and the Business Stream address information is carried out reverse translation;
The functional entity of described Network address translators adapter in PCRF sends the Network address translators information inquiry response message that carries through the Business Stream information of reverse translation.
4. method according to claim 3 is characterized in that, described network address translation functions entity comprises: the IPv6 address is to the translation of IPv4 address, and/or the IPV4 address is to the translation of IPv4 address, and/or the IPv4 address is to the translation of IPv6 address.
5. method according to claim 3 is characterized in that, the method for described judgement comprises:
The purpose PCRF configuration attribute that pushes described Business Stream information according to application function AF judges that if described PCRF is deployed in the network of NAT conversion, then judging the described relevant address information of business game information that receives is through translating.
6. a system that issues the PCC policy information is characterized in that, comprises "Policy and Charging Rules Function unit PCRF, network address translation functions entity, strategy and charge execution function PCEF at least, wherein,
PCRF is used to judge and receives the relevant address information of business game information for through translation, according to the network address translation NAT correspondence table that the network address translation functions entity generates, obtains not pass through the address information of the business game information of address translation; According to the address information of the business game information of not passing through address translation, carry out the related and strategic decision-making of business game and charging control PCC strategy, and execution PCC policing rule provides flow process to issue the PCC rule to strategy and charge execution function PCEF;
The network address translation functions entity is used for the NAT correspondence table is changed and generated in the IP address;
PCEF resides among the P-GW, receives the PCC rule that issues from PCRF.
7. system according to claim 6 is characterized in that this system also comprises AF, is used for sending the business game information that is used to formulate PCC or qos policy to PCRF by Rx interface.
8. system according to claim 7 is characterized in that, the P-GW that described PCEF is resident also is used to receive the PCC rule from PCRF, installs and execution PCC rule, initiates the foundation of IP_CAN carrying as required, revises or the deletion flow process.
9. system according to claim 7 is characterized in that, described PCRF is provided with the Network address translators adapter at least and is used to handle the functional unit of PCC policy information;
Wherein, the functional unit on the PCRF is used for receiving business game information from described AF by Rx interface, judges the relevant address information of this business game information for through translation, then sends the indication notice to the Network address translators adapter; According to address information, carry out the association and the strategic decision-making of professional PCC strategy, and execution PCC policing rule provides flow process to issue the PCC rule to PCEF from the Network address translators adapter;
The Network address translators adapter, be used for receiving the indication notice, carry out alternately with the network address translation functions entity, obtain the NAT correspondence table that comprises this business game address information, address information to the business game information that receives is carried out reverse translation, obtains not through the address information of the business game information of address translation and returns to functional entity on the PCRF.
10. system according to claim 9 is characterized in that, described network address translation functions entity and P-GW unification are disposed, and perhaps conduct is independently disposed separately the network function unit;
Described network address translation functions entity is disposed separately, is connected by a newly-increased Gxn interface between then described Network address translators adapter and the network address translation functions entity; Perhaps,
Described network address translation functions entity and P-GW unification are disposed, and then described Network address translators adapter is connected with described network address translation functions entity by the Gx interface between existing and the PCEF.
11., it is characterized in that described network address translation functions entity comprises according to each described system of claim 6～10: the IPv6 address is to the translation of IPv4 address, and the IPV4 address is to the translation of IPv4 address, and the IPv4 address is to the translation of IPv6 address.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101119908A CN102158562A (en) | 2010-02-11 | 2010-02-11 | Method and system for sending out PCC (program-controlled computer) strategy information |
| PCT/CN2011/070573 WO2011097986A1 (en) | 2010-02-11 | 2011-01-25 | Method and system for sending pcc policy information |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101119908A CN102158562A (en) | 2010-02-11 | 2010-02-11 | Method and system for sending out PCC (program-controlled computer) strategy information |
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| CN2010101119908A Pending CN102158562A (en) | 2010-02-11 | 2010-02-11 | Method and system for sending out PCC (program-controlled computer) strategy information |
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| WO2013075455A1 (en) * | 2011-11-24 | 2013-05-30 | 中兴通讯股份有限公司 | Policy and charging control method and system |
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| CN105144836A (en) * | 2014-03-11 | 2015-12-09 | 华为技术有限公司 | Information transfer method and apparatus |
| CN105491176A (en) * | 2014-09-26 | 2016-04-13 | 中国电信股份有限公司 | Method and system for PCRF addressing |
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| CN103141133B (en) * | 2011-09-30 | 2016-01-20 | 华为技术有限公司 | Data message is carried out to the method and apparatus of policy control |
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| CN103141133A (en) * | 2011-09-30 | 2013-06-05 | 华为技术有限公司 | Method and device for performing policy control on data packet |
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| CN103906040A (en) * | 2012-12-27 | 2014-07-02 | 中兴通讯股份有限公司 | Device positioning method and system |
| CN103906040B (en) * | 2012-12-27 | 2019-08-30 | 中兴通讯股份有限公司 | A kind of equipment localization method and system |
| CN105144836A (en) * | 2014-03-11 | 2015-12-09 | 华为技术有限公司 | Information transfer method and apparatus |
| CN105144836B (en) * | 2014-03-11 | 2019-06-21 | 华为技术有限公司 | A kind of information transferring method and device |
| US10581979B2 (en) | 2014-03-11 | 2020-03-03 | Huawei Technologies Co., Ltd. | Information transmission method and apparatus |
| CN105491176A (en) * | 2014-09-26 | 2016-04-13 | 中国电信股份有限公司 | Method and system for PCRF addressing |
| CN105491176B (en) * | 2014-09-26 | 2019-04-02 | 中国电信股份有限公司 | A kind of method and system for PCRF addressing |
| CN107135084A (en) * | 2016-02-29 | 2017-09-05 | 华为技术有限公司 | A kind of tactics configuring method and device |
| CN107135084B (en) * | 2016-02-29 | 2020-03-31 | 华为技术有限公司 | Policy configuration method and device |
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