CN102158514A - Communication system and service policy information association method - Google Patents
Communication system and service policy information association method Download PDFInfo
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- CN102158514A CN102158514A CN2010101150652A CN201010115065A CN102158514A CN 102158514 A CN102158514 A CN 102158514A CN 2010101150652 A CN2010101150652 A CN 2010101150652A CN 201010115065 A CN201010115065 A CN 201010115065A CN 102158514 A CN102158514 A CN 102158514A
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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
- 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
- H04L12/1453—Methods or systems for payment or settlement of the charges for data transmission involving significant interaction with the data transmission network
- H04L12/1471—Methods or systems for payment or settlement of the charges for data transmission involving significant interaction with the data transmission network splitting of costs
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Abstract
The invention discloses a communication system and a service policy information association method. The communication system comprises a network address translation adaptation device, wherein the network address translation adaptation device acquires service flow information from an application server, acquires the network address translation information of a service flow from a network address translator according to the service flow information, reversely translates on the service flow information according to the network address translation information, and transmits the reversely-translated service flow information to a policy and charging rules function. By the communication system and the service policy information association method, service policy information can be associated even in a network address translation scene, and particularly the policy and charging rules function (PCRF) can realize the association of the service flow information with information before the network address translation.
Description
Technical field
The present invention relates to the communications field, particularly, relate to third generation partner program (3rd GenerationPartnership Project, abbreviate 3GPP as) grouping system, especially, relate to a kind of communication system, and the method that is implemented in related business game information under the Network address translators scene in this system.
Background technology
Third generation partner program (3rd Generation Partnership Project, abbreviate 3GPP as) grouping system (the Evolved Packet System of evolution, abbreviate EPS as) by universal mobile telecommunications system land radio access web (the Evolved Universal Terrestrial Radio AccessNetwork of evolution, abbreviate E-UTRAN as), mobile management unit (Mobility Management Entity, abbreviate MME as), gateway (Serving Gateway, S-GW), grouped data network gateway (Packet Data Network Gateway, abbreviate P-GW or PDN GW as), home subscriber server (Home Subscriber Server, abbreviate HSS as), "Policy and Charging Rules Function (Policyand Charging Rules Function abbreviates PCRF as) entity and other support nodes are formed.
As shown in Figure 1, among the grouping system EPS of evolution, 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's (PacketData Network abbreviates PDN as), 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 operator's Internet protocol (Internet Protocol, abbreviate IP as) connection of business network interface, 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 QoS (Quality of Service abbreviates QoS as) of business datum, and the control of chargeing.
As shown in Figure 2, the Organization Chart of EPS that has shown the 3GPP network of on-premise network address translation equipment.PCC (the Policy and Charging Control) structure chart of Fig. 3 for supporting that the EPC dynamic strategy is chargeed and controlled.Strategy and charge execution function (Policy and charging enforcement function abbreviates PCEF as) 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 (Bearer Binding and Event ReportingFunction abbreviates BBERF as), pass through Gxc interface exchange message between BBERF and the PCRF.Simultaneously, for user equipment (UE) provides professional application function (Application Function, abbreviate AF as) send to PCRF by Rx interface and be used to generate strategy and the business information of control of chargeing (Policy and ChargingControl abbreviates PCC as) 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 as shown in Figure 3 when UE inserts by 3GPP, carry out credit control.P-GW generates charge information and sends to charge system, wherein comprises charging identifier (be called Access Network charging identifier (Access-Network-Charging-Identifier), also can be described as the bearing bed charging identifier) in order to sign.
Application server also can provide the charge information of application layer to charge system simultaneously, and charge information also identifies with charging identifier, is called application function charging identifier (AF-Charging-Identifier).This charging identifier produces and sends to relevant application server by AF (Application Function) 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.When charge system sends bearing bed charge information with Access Network charging identifier (Access-Network-Charging-Identifier) sign, carry application layer charging identifier AF-Charging-Identifier as P-GW/PCEF like this, and carry Access Network charging indications (Access-Network-Charging-Identifier) during to charge information that the charge system transmission identifies with application layer charging identifier (AF-Charging-Identifier) when application server.Like this, 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.Until 2007, along with two stack scaled-down version (DS-Lite, Dual-Stack Lite), carrying level Network address translators (Carrier Grade Network Address Translation, CGN), the address adds port (Address+Port, A+P), IPv6 is to NAT technology (NetworkAddress Translation 6 to 4 of IPv4, NAT64), based on the proposition of a series of novel transitional technologies such as Prefix-NAT of host translation, IETF reached an agreement again autumn in 2008 will formulate new translation and tunneling technique.
The PNAT system schema has been realized the backward compatibility that the IPv6 main frame is used common IPv4, and IPv4 uses and need not to carry out code revision and can insert the IPv6 network and through the visit of carrying out IPv6 realization far-end IP v4Server after the translation of IPv4 of PNAT gateway by the IPv6 main frame.Fig. 4 has shown a kind of deployment schematic diagram of PNAT system.
GI-DS-LITE (Gateway-Initiated DS-LITE, two stack scaled-down versions that gateway is initiated) is a kind of improvement to the DS-LITE scheme, and Fig. 5 is the technology schematic diagram of GI-DS-LITE scheme.UE is by Serving Gateway (mobile gateway, abbreviation S-GW) and between the P-GW set up mobile tunnel, set up the DS-LITE tunnel between P-GW and the CGN, different mobile terminal can the identical IPv4 address of distribution system, by the different UE of DS-LITE Tunnel Identifier.Last IPv4 address and the port numbers according to terminal of CGN carried out the NAT translation, notes the corresponding DS-LITE Tunnel Identifier of this NAT translation simultaneously in the NAT table; For downlink data packet, CGN corresponds to public network address the private net address of portable terminal in the NAT translation, DS-LITE Tunnel Identifier according to record in the NAT table matches corresponding DS-LITE tunnel simultaneously, downlink data is encapsulated in the DS-LITE tunnel sends to P-GW, P-GW takes out packet to be encapsulated in the mobile tunnel from the DS-LITE tunnel according to the DS-LITE tunnel of setting up and the corresponding relation between the mobile tunnel and sends to UE.
In all multi-schemes of IPv6 migration, the Network address translators between IPv4 and the IPv6 is the enforcement key of a lot of schemes.As shown in Figure 6, shown and introduced Network address translators NAT PCC configuration diagram afterwards, under this deployment conditions, can cause PCRF correctly association when carrying out the PCC strategy because NAT handles the change of the session information of front and back.As shown in table 1 below, shown a kind of through the session information before and after the NAT64 translation.
Table 1: the Business Stream session information before and after the translation
| 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 |
Specifically, provided NAT in the table 1 the IPv6 session information has been translated as the service conversation information content before and after the IPv4 session information.The Business Stream information that this moment, PCRF obtained is handled through Network address translators NAT, and PCRF can't be with the associating information before this Business Stream information and the Network address translators.Thereby how related business game information under the Network address translators scene becomes the technical issues that need to address.
Summary of the invention
Technical problem to be solved by this invention is, the method of a kind of communication system and associated services policy information is provided, business game information can't be related under the solution Network address translators scene, and especially "Policy and Charging Rules Function entity PCRF can't be with the problem of the associating information before Business Stream information and the Network address translators.
In order to address the above problem, the present invention proposes the method for associated services policy information in a kind of communication system, comprising:
The Network address translators adaptive device obtains Business Stream information from application server, obtains the Network address translators information of Business Stream to NAT according to Business Stream information;
The Network address translators adaptive device carries out reverse translation according to described Network address translators information to Business Stream information, and the Business Stream information after the reverse translation is sent to the "Policy and Charging Rules Function entity.
Described Network address translators adaptive device obtains in the step of Network address translators information of Business Stream to NAT according to Business Stream information:
Find the NAT NAT that produces this source address resource pool by the terminal source address in the Business Stream session information, thereby can obtain Network address translators information to it.
The reverse translation that described Network address translators adaptive device is carried out is handled, and includes but not limited to the session five-tuple to Business Stream: source IP address, and purpose IP address, source port number, the destination slogan, protocol number carries out reverse translation.
The reverse translation that described Network address translators adaptive device is carried out is handled, and is that the Business Stream information of application server is mated, and is that Network address translators is handled preceding Business Stream information with the information reverse translation after the coupling.
Described Network address translators adaptive device is independent deployment, or closes the network equipment of establishing with application server.
The present invention also provides a kind of communication system, comprising: "Policy and Charging Rules Function entity PCRF, and application server AF, NAT NAT, the Network address translators adaptive device, wherein:
The Network address translators adaptive device, be used for obtaining Business Stream information from application server, obtain the Network address translators information of Business Stream to NAT according to Business Stream information, according to described Network address translators information Business Stream information is carried out reverse translation, and the standard Rx interface of the Business Stream information after the reverse translation by 3GPP sent to the "Policy and Charging Rules Function entity.
Described Network address translators adaptive device according to Business Stream information when NAT obtains the Network address translators information of Business Stream, be to find the NAT NAT that produces this source address resource pool, thereby obtain Network address translators information to it by the terminal source address in the Business Stream session information.
The reverse translation that described Network address translators adaptive device is carried out is handled, and includes but not limited to the session five-tuple to Business Stream: source IP address, and purpose IP address, source port number, the destination slogan, protocol number carries out reverse translation.
Described Network address translators adaptive device is that the Business Stream information of application server is mated, and is that Network address translators is handled preceding Business Stream information with the information reverse translation after the coupling.
Described Network address translators adaptive device is independent deployment, or closes the network equipment of establishing with application server.
The method of communication system of the present invention and associated services policy information, can provide matching business information for "Policy and Charging Rules Function PCRF, in the described system and method, the Network address translators adaptive device carries out reverse translation according to the business datum of the Network address translators of process on the translation information application server AF on the NAT, traffic data information after this reverse translation sends "Policy and Charging Rules Function PCRF to by the standard Rx interface, has promptly realized the business game association.Realized related business game information under the Network address translators scene, PCRF can be with the associating information before Business Stream information and the Network address translators.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the Organization Chart of EPS of the 3GPP network of non-roaming state;
Fig. 2 is the Organization Chart of EPS of the 3GPP network of on-premise network address translation equipment;
Fig. 3 is a policy and charging control PCC Organization Chart;
Fig. 4 is based on the PNAT system schema structure chart of host translation;
Fig. 5 is the GI-DS-LITE schematic structure diagram;
Fig. 6 is the PCC configuration diagram after current techniques is disposed NAT;
Fig. 7 is that Network address translators adaptive device of the present invention is deployed to the schematic diagram in the PCC framework separately;
The IP-CAN session modification flow chart that Fig. 8 is a Network address translators adaptive device of the present invention under deployment scenario separately, frame of broken lines comprise for after the invention process in existing procedure improved part;
Fig. 9 is that Network address translators adaptive device of the present invention and application server AF close the schematic diagram that is located in the PCC framework;
Figure 10 is that Network address translators adaptive device of the present invention and AF close and establish IP-CAN session modification flow chart under the situation.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
The present invention is directed to correlation technique under the situation of on-premise network address translator, because the variation of the session information before and after the Network address translators, cause "Policy and Charging Rules Function correctly to carry out the related problem of strategy to business, a solution is provided, comprise a kind of communication system, the method for associated services policy information in a kind of communication system.
As shown in Figure 7, shown a kind of communication system of the present invention, having comprised: "Policy and Charging Rules Function entity PCRF, application server AF, NAT NAT, the Network address translators adaptive device, grouped data network gateway P-GW, wherein:
The Network address translators adaptive device obtains Business Stream information from application server, obtain the Network address translators information of Business Stream to NAT according to Business Stream information, according to described Network address translators information Business Stream information is carried out reverse translation, and the Business Stream information after the reverse translation is sent to the "Policy and Charging Rules Function entity.So just can implementation strategy in this communication system business be carried out correct tactful related with charging rule functions.
The method of associated services policy information of the present invention comprises:
The Network address translators adaptive device obtains Business Stream information from application server, obtains the Network address translators information of Business Stream to NAT according to Business Stream information;
According to described Network address translators information Business Stream information is carried out reverse translation, and the Business Stream information after the reverse translation is sent to the "Policy and Charging Rules Function entity.
Wherein, described Network address translators adaptive device can find the NAT NAT that produces this source address resource pool by the terminal source address in the Business Stream session information, thereby can obtain Network address translators information to it.
Wherein, the reverse translation that described Network address translators adaptive device is carried out is handled, and includes but not limited to that the session five-tuple (source IP address, purpose IP address, source port number, destination slogan, protocol number) to Business Stream carries out reverse translation.
With table 1 is example, and described Network address translators adaptive device can extract the information shown in the table 1 from NAT information, and the Business Stream information that application server AF sends is mated, and handles preceding Business Stream information for NAT after the reverse translation.Concrete, this Business Stream information is converted to the IPv6 session information from the IPv4 session.
Described Network address translators adaptive device can independently be disposed, and also can close with related network elements and establish, and for example can close with application server AF and establish, and the present invention does not limit.
The method of communication system provided by the invention and associated services policy information, can provide matching business information for "Policy and Charging Rules Function PCRF, the present invention is by the Network address translators adaptive device, business datum according to the Network address translators of process on the translation information application server AF on the NAT is carried out reverse translation, traffic data information after this reverse translation sends "Policy and Charging Rules Function PCRF to by the standard Rx interface, has promptly realized the business game association.
Embodiment one
Fig. 8 is that the Network address translators adaptive device is deployed to IP-CAN session modification flow chart in the PCC framework that has NAT mechanism separately.UE carries out Network and uses alternately, and AF provides business information, and bearing bed charging identifier that PCRF is related with it with each IP traffic that comprises in the business information and QoS information are carried out correctly related flow chart, comprises that following step 801 is to step 815:
Step 801: the user carries out Operational Visit, and to carry out application layer mutual with AF.NAT generates the session NAT information of related service correspondence in this process.
Step 802:AF sends Business Stream information to the Network address translators adaptive device.
Step 803: the Network address translators adaptive device is resolved after receiving Business Stream information, judges whether this Business Stream information needs reverse translation.
Here need to judge whether the foundation of reverse translation for example to push the purpose PCRF configuration attribute of Business Stream information,, then need Business Stream is carried out reverse translation if this PCRF is deployed in the network of NAT conversion according to network configuration according to AF.The present invention does not limit in realization.
Step 804: the Network address translators adaptive device obtains the NAT information of Business Stream to NAT device.The Network address translators adaptive device can find the NAT device that produces this source address resource pool by the UE source address in the Business Stream session information.Also can find corresponding NAT device, not limit here by additive method.
Step 805: the Network address translators adaptive device carries out reverse translation according to the Business Stream NAT information of obtaining to Business Stream information to be handled.
The reverse translation is here 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.With table 1 is example, and the Network address translators adaptive device can extract the information shown in the table 1 from NAT information, and the Business Stream information that AF sends is mated, and handles preceding Business Stream information for NAT after the reverse translation.Concrete, this Business Stream information is converted to the IPv6 session information from the IPv4 session.
Step 806: the Business Stream information after the Network address translators adaptive device will be handled sends to PCRF.
Step 807:PCRF preserves business information and sends acknowledge message to AF.
Step 808:PCRF is according to user's CAMEL-Subscription-Information, and network strategy and business information are carried out strategic decision-making, formulates PCC rule and QoS rule.
Step 809:PCRF and BBERF carry out alternately, give BBERF with the QoS rule downloading.BBERF installs.
Step 810:PCRF sends policy charging rule to PCEF and gives information.
Step 811:PCEF carries out policy installation.
It is mutual to carry out credit information between step 812:PCEF and the OCS.
Step 813:PCEF sends the IP-CAN session modification request to BBERF.
Step 814:BBERF sends the response of IP-CAN session modification to PCEF.
Step 815:PCEF sends PCC information to PCRF acknowledge message is provided.
The relevant bearing event (for example foundation of transfer resource/discharge/lose) of step 816:PCRF notice AF.
Step 817:AF confirms the notice of 816 steps to PCRF.
Embodiment two
Present embodiment has been described Network address translators adaptive device and AF and has been closed sight when establishing.
Network address translators adaptive device and AF that Fig. 9 describes close the schematic diagram that is located in the PCC framework, wherein, and described Network address translators adaptive device and the application server AF setting that is integrated.This Network address translators adaptive device also can with the setting that is integrated of described NAT translater, do not repeat them here.
Figure 10 is that the Network address translators adaptive device described of the present invention and AF close and establish IP-CAN session modification flow chart under the situation.Specifically comprise following flow process:
Step 1001: the user carries out Operational Visit, and to carry out application layer mutual with AF.NAT generates the session NAT information of related service correspondence in this process.
Network address translators adaptive device among the step 1002:AF obtains the NAT information of related service.
Network address translators adaptive device among the step 1003:AF carries out reverse translation according to the NAT information of obtaining with the service conversation on the AF to be handled.
Service data information after step 1004:AF will handle sends to PCRF.
Step 1005:PCRF preserves business information and sends acknowledge message to AF.
Step 1006:PCRF is according to user's CAMEL-Subscription-Information, and network strategy and business information are carried out strategic decision-making, formulates PCC rule and QoS rule.
Step 1007:PCRF and BBERF carry out alternately, give BBERF with the QoS rule downloading.BBERF installs.
Step 1008:PCRF sends policy charging rule to PCEF and gives information.
Step 1009:PCEF carries out policy installation.
It is mutual to carry out credit information between step 1010:PCEF and the OCS.
Step 1011:PCEF sends the IP-CAN session modification request to BBERF.
Step 1012:BBERF sends the response of IP-CAN session modification to PCEF.
Step 1013:PCEF sends PCC information to PCRF acknowledge message is provided.
The relevant bearing event (for example foundation of transfer resource/discharge/lose) of step 1014:PCRF notice AF.
Step 1015:AF confirms the notice of 1014 steps to PCRF.
The above is embodiments of the invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.
Claims (10)
1. the method for associated services policy information in the communication system is characterized in that, comprising:
The Network address translators adaptive device obtains Business Stream information from application server, obtains the Network address translators information of Business Stream to NAT according to Business Stream information;
The Network address translators adaptive device carries out reverse translation according to described Network address translators information to Business Stream information, and the Business Stream information after the reverse translation is sent to the "Policy and Charging Rules Function entity.
2. the method for claim 1 is characterized in that, described Network address translators adaptive device obtains in the step of Network address translators information of Business Stream to NAT according to Business Stream information:
Find the NAT NAT that produces this source address resource pool by the terminal source address in the Business Stream session information, thereby can obtain Network address translators information to it.
3. the method for claim 1 is characterized in that, the reverse translation that described Network address translators adaptive device is carried out is handled, include but not limited to session five-tuple: source IP address, purpose IP address, source port number to Business Stream, the destination slogan, protocol number carries out reverse translation.
4. the method for claim 1, it is characterized in that, the reverse translation that described Network address translators adaptive device is carried out is handled, and is that the Business Stream information of application server is mated, and is that Network address translators is handled preceding Business Stream information with the information reverse translation after the coupling.
5. the method for claim 1 is characterized in that, described Network address translators adaptive device is independent deployment, or closes the network equipment of establishing with application server.
6. communication system comprises: "Policy and Charging Rules Function entity PCRF, and application server AF, NAT NAT, the Network address translators adaptive device, wherein:
The Network address translators adaptive device, be used for obtaining Business Stream information from application server, obtain the Network address translators information of Business Stream to NAT according to Business Stream information, according to described Network address translators information Business Stream information is carried out reverse translation, and the standard Rx interface of the Business Stream information after the reverse translation by 3GPP sent to the "Policy and Charging Rules Function entity.
7. communication system as claimed in claim 6 is characterized in that,
Described Network address translators adaptive device according to Business Stream information when NAT obtains the Network address translators information of Business Stream, be to find the NAT NAT that produces this source address resource pool, thereby obtain Network address translators information to it by the terminal source address in the Business Stream session information.
8. communication system as claimed in claim 6 is characterized in that, the reverse translation that described Network address translators adaptive device is carried out is handled, include but not limited to session five-tuple: source IP address, purpose IP address, source port number to Business Stream, the destination slogan, protocol number carries out reverse translation.
9. communication system as claimed in claim 6 is characterized in that, described Network address translators adaptive device is that the Business Stream information of application server is mated, and is that Network address translators is handled preceding Business Stream information with the information reverse translation after the coupling.
10. communication system as claimed in claim 6 is characterized in that, described Network address translators adaptive device is independent deployment, or closes the network equipment of establishing with application server.
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| CN2010101150652A CN102158514A (en) | 2010-02-11 | 2010-02-11 | Communication system and service policy information association method |
| PCT/CN2011/070860 WO2011098025A1 (en) | 2010-02-11 | 2011-01-31 | Communication system and service policy information association method |
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| CN114222264A (en) * | 2018-02-19 | 2022-03-22 | 华为技术有限公司 | Apparatus for supporting and affecting QoS classes |
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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 |
| CN103139095A (en) * | 2011-11-24 | 2013-06-05 | 中兴通讯股份有限公司 | PCC (Policy and Charging Control) method and system |
| CN103906040A (en) * | 2012-12-27 | 2014-07-02 | 中兴通讯股份有限公司 | Device positioning method and system |
| WO2015169044A1 (en) * | 2014-05-05 | 2015-11-12 | 华为技术有限公司 | Session binding method, device and system in roaming scenario |
| CN105282102A (en) * | 2014-06-30 | 2016-01-27 | 中国电信股份有限公司 | Data stream processing method and system, and IPv6 data processing equipment |
| CN105282102B (en) * | 2014-06-30 | 2019-03-15 | 中国电信股份有限公司 | Data flow processing method and system and IPv6 data processing equipment |
| CN110392999A (en) * | 2017-03-10 | 2019-10-29 | 微软技术许可有限责任公司 | Virtual filter platform in distributed computing system |
| CN110392999B (en) * | 2017-03-10 | 2021-10-22 | 微软技术许可有限责任公司 | Virtual filtering platform in distributed computing system |
| CN114222264A (en) * | 2018-02-19 | 2022-03-22 | 华为技术有限公司 | Apparatus for supporting and affecting QoS classes |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011098025A1 (en) | 2011-08-18 |
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