CN102958046B - A kind of control method, system and the DRA of mobile terminal accessing business - Google Patents

A kind of control method, system and the DRA of mobile terminal accessing business Download PDF

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Publication number
CN102958046B
CN102958046B CN201110241313.2A CN201110241313A CN102958046B CN 102958046 B CN102958046 B CN 102958046B CN 201110241313 A CN201110241313 A CN 201110241313A CN 102958046 B CN102958046 B CN 102958046B
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port numbers
dra
address
nai
network
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CN102958046A (en
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刘国燕
毕以峰
周晓云
宗在峰
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Jiangsu Xuhui Electronics Co., Ltd
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
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  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
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  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention provides a kind of control method, system and the DRA of mobile terminal accessing business, the method includes：DRA receives the Diameter request messages of the second network entity transmission, the UE IP address and port numbers subset or UE IP address and port numbers carried according to the Diameter request messages, the DRA bindings pre-saved are searched, the policy control server of first network entity selection is found.The present invention searches the DRA bindings pre-saved to DRA, ensure that the second network entity finds the policy control server of first network entity selection, it can solve the problems, such as the AF/TDF or BNG/BRAS of BPCF and mobile network and the AF/TDF selection same policy control servers of fixed network, realizing the mechanism that related network elements select the same policy control server enhances.

Description

A kind of control method, system and the DRA of mobile terminal accessing business
Technical field
The present invention relates to mobile communication technology field more particularly to a kind of control method of mobile terminal accessing business, it is System and Diameter route agents (Diameter Routing Agent, DRA).
Background technology
Point of the evolution of third generation partner program (3rd Generation Partnership Project, 3GPP) Group system (Evolved Packet System, EPS) by evolution Universal Terrestrial Radio Access Network (Evolved Universal Terrestrial Radio Access Network, E-UTRAN), mobile management entity (Mobility Management Entity, MME), gateway (Serving Gateway, S-GW), grouped data network gateway (Packet Data Network Gateway, P-GW) and home subscriber server (Home Subscriber Server, HSS) composition.
EPS support with the interworking architecture of non-3 GPP access network, with specific reference to Fig. 1, wherein EPS and non-3 GPP system it is mutual The realization of S2a/b/c interfaces is crossed all, and P-GW is as the anchor point between 3GPP and non-3 GPP system.In Fig. 1, non-3 GPP system is divided For trustless non-3 GPP access network and trusted non-3 GPP access network；Wherein, trustless non-3 GPP access network need to pass through and drill Into packet data gateway (Evolved Packet Data Gateway, ePDG) be connected with P-GW, connecing between ePDG and P-GW Mouth is S2b；Trusted non-3 GPP access can directly be connect with P-GW by S2a interfaces, and S2a interfaces carry out letter using PMIP agreements Breath interaction；In addition, to provide the user plane of user terminal (User Equipment, UE) between P-GW relevant for S2c interfaces Control and mobility support, it should be understood that illustrated instead of mobile terminal above-mentioned used here as UE, the mobility supported Management agreement is mobile IP v 6 (the Moblie IPv6 Support for Dual Stack Hosts and for supporting double stacks Routers, DSMIPv6), it can be used for trustless non-3 GPP system access net and trusted non-3 GPP access network.
Wherein, Wireless LAN (Wireless Local Area Network, WLAN) can be used as non-3 GPP system EPS is accessed, this is related to the fixed network mobile fusion (Fixed Mobile Convergence, FMC) of many operator's concerns Interconnection and interflow problem.
In the stage two, FMC mainly studies the problem related to service distributing.Due to the diversity requirement of customer service, use Family can access multiple business simultaneously, and the resource requirement of these business is different；If all mobile terminals by wlan network or 3GPP system is all linked into the core net of 3GPP, not only increases the data traffic load of core net, and multiple business is seized Limited Internet resources possibly can not ensure the quality of service high to qos requirement.Therefore, it is accessed by WLAN in mobile terminal When EPS, business is necessary using effectively shunting.With reference to Fig. 2, by taking S2b as an example, operator can be according to the spy of business Sign, partial service transmitted by EPS, such as the path of Business Stream 2, and another part business (such as：Internet business is moved Dynamic network characteristic service etc.) it can be directly from WLAN shunt, such as：The path of Business Stream 1 and Business Stream 3, to reduce 3GPP cores The traffic load of net.
Under the trend of FMC framework depth integrations, when 3GPP UE directly carry out service distributing by WLAN, 3GPP nets The policy control server or accounting server of network still can issue mobile terminal and the relevant specific strategy of mobile terminal It controls or charging decisions is to fixed network, such as：Policy control or meter are carried out for the specific type of service of some mobile terminal Take；After the network element of fixed network receives the strategic decision-making of policy control server or the charging decisions of accounting server, it can hold The collection of row and the relevant policy controls of specific UE or charge information.
In the prior art, it is road in home gateway (Routing Gateway or Residential Gateway, RG) By pattern and network address (port numbers) is supported to translate (Network Address (Port) Translation, NA (P) T) as N: When 1 (N is greater than or equal to 1), RG is in the authentication protocol (Extensible for executing the extension based on 3GPP Authentication Protocol, EAP) in verification process, as authenticator, the network insertion of user terminal can be obtained It identifies (Network Access Identifier, NAI), such as：The mobile contractor in the world identifies (International Mobile Subscriber Identity, IMSI).When RG establishes NA (P) T and enters oral thermometer, mobile node network can be established and connect Inlet identity (Mobile Node NAI, MN NAI) and port numbers set (when N is equal to 1, not assignment of port numbers) and UE IP The incidence relation of location, referred to as user terminal identification contingency table, as shown in Figure 3, wherein port numbers set (when N is equal to 1, does not distribute Port numbers) and UE IP address be RG carry out NA (P) T it is transformed.Also, RG also supports to pass through remote authentication dial user Business (Remote Authentication Dial In User Service, RADIUS) or dynamic host configuration protocol The message such as (Dynamic Host Configuration Protocol, DHCP) or PMIP, user terminal identification is associated with Table passes to broadband gateway/broadband remote access servers (Broadband Network Gateway/Broadband Remote Access Server, BNG/BRAS).
When RG is bridge mode, BNG/BRAS is during executing the EAP authentication based on 3GPP, as authenticator, energy Enough obtain MN NAI.Under normal conditions, when BNG/BRAS is that the UE distributes a public network address as UE IP address, BNG/ BRAS can establish the incidence relation of MN NAI and UE IP address, but not include port numbers set；And if BNG/BRAS is the UE A private net address is distributed as UE IP address, then BNG/BRAS needs that NA (P) T, the incidence relation is supported then to need to wrap Containing port numbers set, referring specifically to Fig. 3.For the ease of statement, here with being referred to as UE IP to the IP address after NA (P) T Location.
In terms of the prior art above, BNG/BRAS can be supported in UE service distributings, be carried out relevant with specific UE Then charge information is passed through Certificate Authority and accounting server by the collection of policy control or charge information (Authentication Authorization and Accounting, AAA) is reported to the accounting server of mobile network, To carry out accounting management to specific UE.
Mobile terminal is carried out by fixed network in the business of service distributing, has both included internet business, and the characteristic of fixed network is answered Also include the applied business that mobile network disposes close to fixed network position, these applied business can be mobile operator with business Network internal administration, can also be the third-party deployment that interworking protocol is signed with mobile operator.Applied business platform can be with It is interpreted as the function or application detection function entity of Application Function network element (Application Function, AF) (Traffic Detection Function, TDF).
It in the prior art,, can be with strategy and charging when the business that AF receives UE establishes request when AF is located at mobile network Regulation function entity (Policy and Charging Rules Function, PCRF) interacts, to PCRF requested services The decision whether received., can be to UE after if AF receives the business receiving instruction of PCRF returns and the business information of receiving Forward the business information received；If AF receive be refusal instruction if, can to UE send refusal business establish information. When user accesses AF or TDF of mobile network, AF or TDF can select suitable PCRF by DRA：Roaming place is accessed, AF or TDF selects visited place PCRF (visited PCRF, vPCRF) by the DRA of roaming place；For ownership place access, AF or TDF selects ownership place PCRF (home PCRF, hPCRF) by the DRA of ownership place.
Technology above is related to the problem of how AF or TDF finds suitable PCRF, if in the middle part of a mobile network When affixing one's name to multiple PCRF, AF or TDF can be based on UE IP address or MN NAI, it is generally the case that business request information does not carry MN NAI, therefore, AF or TDF are mainly based upon UE IP address.
In addition, when UE adheres to, broadband policy control function entity (Broadband Policv Control Function, BPCF) suitable PCRF can be selected by DRA：Roaming place is accessed, BPCF passes through the DRA of roaming place, choosing Select vPCRF；Ownership place is accessed, BPCF selects vPCRF by the DRA of roaming place；Then, vPCRF passes through ownership place DRA selects hPCRF.BPCF can find suitable PCRF by IMSI.
Although the foundation that AF/TDF and BPCF finds PCRF is different, for the same UE, need selection same One PCRF.Equally, AF or TDF is located in fixed network, and the foundation of BNG/BRAS and AF/TDF searchings BPCF also can be different, therefore, It is also required to select the same BPCF.
When UE is directly accessed applied business, UE IP address is the IP address after RG/BNG/BRAS execution NA (P) T, The address is fixed network distribution.Here, it is illustrated with AF, it, can be to mobile network when AF is deployed in mobile network PCRF requested services receive strategy.But if being searched if principle that AF is selected according to existing PCRF, AF is according to UE IP address searches the DRA of mobile network, since the UE IP address is fixed network distribution, does not match in the DRA of mobile network Setting the corresponding addresses PCRF of the UE IP address can specifically join therefore, it is impossible to find the corresponding policy server address in the address Examine Fig. 4.And when AF is located in fixed network, since UE IP address may be multiple UE uses, but the port numbers set of each UE is not Together, therefore, when BNG/BRAS chooses suitable BPCF according to IMSI, if AF or TDF selects BPCF by UE IP address If, for specific UE, the BPCF of BPCF and the BNG/BRAS selection of AF or TDF selections may be different.
Invention content
In view of this, the main purpose of the present invention is to provide a kind of control method, the systems of mobile terminal accessing business And DRA, it can solve the problems, such as that related network elements select same policy control server.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of control method of mobile terminal accessing business, the method includes：
DRA receives the Diameter request messages of the second network entity transmission, is taken according to the Diameter request messages The UE IP address and port numbers subset or UE IP address and port numbers of band search the DRA bindings pre-saved, find the first net The policy control server of network entity selection.
Wherein, the first network entity is BPCF or BNG/BRAS or AAA；
Second network entity is AF or TDF.
Further, the method further includes：
It is first network entity selection strategy control that first network entity, which sends Diameter request messages to DRA, the DRA, Control server, and create the DRA bindings；The wherein described DRA binds the UE IP address, the port numbers set or end The incidence relation of slogan and the policy control server of the first network entity selection；It is taken in the Diameter request messages Band UE IP address, port numbers set or port numbers.
Wherein, the DRA creates the DRA and binds：
DRA judges whether the binding information for having existed the user according to UE IP address, port numbers set or port numbers, If being not present, the DRA bindings are created.
Further, described to judge whether after having existed the binding information of the user, the method further includes：
If in the presence of further new port numbers set or port is increased according to the Diameter request messages received Number or delete UE IP address and port numbers set or port numbers.
Further, the method further includes：
MNNAI, the DRA are also carried in the Diameter request messages that the first network entity is sent to the DRA Bind MN NAI, the UE IP address, the port numbers set or port numbers and the policy control server pass Connection relationship.
Wherein, the policy control server is BPCF or PCRF.
Wherein, when AF or TDF is located at mobile network, the first network entity send Diameter request messages to DRA, the DRA are that first network entity selection policy control server is：
Under non-roaming scene, BPCF carries MN NAI, UE IP address, port numbers set or end to DRA transmissions The Diameter request messages of slogan；
The DRA finds suitable strategy and the addresses charging regulation function entity PCRF according to MN NAI；
Correspondingly, the DRA creates DRA and binds：
The addresses PCRF and MN NAI, UE IP address, port numbers set or port numbers are bound；Alternatively,
When roaming scence roaming place is accessed, BPCF carries MN NAI, UE IP address, end to the DRA of roaming place transmissions The Diameter request messages of slogan set or port numbers；
The DRA finds the suitable addresses vPCRF according to MN NAI；
Correspondingly, the DRA creates DRA and binds：
The addresses vPCRF and MN NAI, UE IP address, port numbers set or port numbers are bound；Alternatively,
When roaming scence ownership place accesses, BPCF carries MN NAI, UE by vPCRF to the DRA of ownership place transmissions The Diameter request messages of IP address, port numbers set or port numbers；
The DRA of the ownership place finds the suitable addresses hPCRF according to MN NAI；
Correspondingly, the DRA creates DRA and binds：
The addresses hPCRF and MN NAI, UE IP address, port numbers set or port numbers are bound.
Wherein, when AF or TDF is located at mobile network, the Diameter that the DRA receives the transmission of the second network entity is asked Message is sought, the UE IP address and port numbers subset or UE IP address that are carried according to the Diameter request messages and port Number, the DRA bindings pre-saved are searched, the policy control server for finding first network entity selection is：
Under non-roaming scene, AF or TDF carry UE IP address, port numbers subset or port numbers to DRA transmissions Diameter request messages；
UE IP address, port numbers subset or port numbers, the lookup that the DRA is sent according to the AF or TDF pre-save The addresses PCRF and MN NAI, UE IP address, port numbers set or port numbers binding relationship, find BPCF selection The addresses PCRF；Alternatively,
When roaming scence roaming place is accessed, AF or TDF carry UE IP address, port numbers to the DRA of roaming place transmissions The Diameter request messages of subset or port numbers；
UE IP address, port numbers subset or port numbers, the lookup that the DRA is sent according to the AF or TDF pre-save The addresses vPCRF and MN NAI, UE IP address, port numbers set or port numbers binding relationship, find BPCF selection The addresses vPCRF；Alternatively,
When roaming scence ownership place accesses, AF or TDF carry UE IP address, port numbers to the DRA of ownership place transmissions The Diameter request messages of subset or port numbers；
UE IP address, port numbers subset or the port numbers that the DRA of the ownership place is sent according to the AF or TDF are searched The binding relationship of the addresses hPCRF pre-saved and MN NAI, UE IP address, port numbers set or port numbers is found described The addresses hPCRF of BPCF selections.
Wherein, when AF or TDF is located at fixed network, the first network entity send Diameter request messages to DRA, the DRA are that first network entity selection policy control server is：
BNG/BRAS or AAA carries MN NAI, UE IP address, port numbers set or port numbers to DRA transmissions Diameter request messages；
The DRA finds the suitable addresses BPCF according to MN NAI；
Correspondingly, the DRA creates MN NAI, UE IP address, port numbers set or port numbers and the first network is real The policy control server of body selection is bound：
The addresses BPCF and MN NAI, UE IP address, port numbers set or port numbers are bound.
Wherein, when AF or TDF is located at fixed network, the Diameter that the DRA receives the transmission of the second network entity is asked Message is sought, the UE IP address and port numbers subset or UE IP address that are carried according to the Diameter request messages and port Number, the DRA bindings pre-saved are searched, the policy control server for finding first network entity selection is：
AF or TDF sends the Diameter requests for carrying UE IP address, port numbers subset or port numbers to the DRA Message；
UE IP address, port numbers set or the port numbers that the DRA is sent according to the AF or TDF, lookup pre-save The addresses BPCF and MN NAI, UE IP address, port numbers set or port numbers binding relationship, find the BNG/BRAS or The addresses BPCF of AAA selections.
A kind of control system of mobile terminal accessing business, including first network entity, the system also includes：DRA, with And second network entity；Wherein,
Second network entity, for sending Diameter request messages to the DRA；
The DRA, the UE IP address and port numbers subset for being carried according to the Diameter request messages or UE IP address and port numbers search the DRA bindings pre-saved, find the policy control server of first network entity selection.
Wherein, the first network entity is controlled with selection strategy and is taken for sending Diameter request messages to DRA Business device；UE IP address, port numbers set or port numbers are carried in the Diameter request messages；
The DRA is specifically used for being first network entity selection policy control server, and creates the DRA bindings；Its In, the DRA binds the UE IP address, the port numbers set or port numbers and the first network entity selection The incidence relation of policy control server.
Further, the DRA is additionally operable to, according to UE IP address, port numbers set or port numbers, judge whether There are the binding informations of the user, if being not present, create the DRA bindings.
Further, the DRA is additionally operable to increase new port numbers set according to the Diameter request messages received Or port numbers or delete UE IP address and port numbers set or port numbers.
Wherein, the first network entity sends in Diameter request messages to DRA and also carries MN NAI；
The DRA that the DRA is established binds MN NAI, the UE IP address, the port numbers set or port numbers With the incidence relation of the policy control server.
Wherein, when the AF or TDF is located at mobile network, the first network entity is BPCF, for non-roaming Under scene, the Diameter requests that MN NAI, UE IP address, port numbers set or port numbers are carried to DRA transmissions disappear Breath；Alternatively, when roaming scence roaming place is accessed, MN NAI, UE IP address, port numbers are carried to the DRA of roaming place transmissions The Diameter request messages of set or port numbers；Alternatively, when roaming scence ownership place accesses, by vPCRF to ownership place DRA send and carry the Diameter request messages of MN NAI, UE IP address, port numbers set or port numbers；
Correspondingly, the DRA, specifically for finding the suitable addresses PCRF according to MN NAI, and by the addresses PCRF It is bound with MN NAI, UE IP address, port numbers set or port numbers；Alternatively, finding suitable vPCRF according to MN NAI Address, and the addresses vPCRF and MN NAI, UE IP address, port numbers set or port numbers are bound；Alternatively, according to MN NAI find the suitable addresses hPCRF, and by the addresses hPCRF and MN NAI, UE IP address, port numbers set or end Slogan is bound.
Wherein, when AF or TDF is located at mobile network, second network entity is AF or TDF, is specifically used for non-unrestrained It swims under scene, the Diameter request messages for carrying UE IP address, port numbers subset or port numbers is sent to the DRA；Or Person carries UE IP address, port numbers subset or port numbers when roaming scence roaming place is accessed to the DRA of roaming place transmissions Diameter request messages；Alternatively, when roaming scence ownership place accesses, sent with carrying UE IP to the DRA of ownership place The Diameter request messages of location, port numbers subset or port numbers；
Correspondingly, the DRA, the UE IP address sent with specific reference to the AF or TDF, port numbers subset or port numbers, The addresses PCRF pre-saved and MN NAI, the binding relationship of UE IP address, port numbers set or port numbers are searched, is looked for The addresses PCRF selected to the BPCF；Alternatively, UE IP address, port numbers subset or the port sent according to the AF or TDF Number, the binding for searching the addresses vPCRF and MN NAI, UE IP address, port numbers set or the port numbers pre-saved is closed System finds the addresses vPCRF of the BPCF selections；Alternatively, UE IP address, the port numbers subset sent according to the AF or TDF Or port numbers, the binding for searching the addresses hPCRF and MN NAI, UE IP address, port numbers set or the port numbers pre-saved are closed System finds the addresses hPCRF of the BPCF selections.
Wherein, when the AF or TDF is located at fixed network, the first network entity is BNG/BRAS or AAA, is used for The Diameter request messages for carrying MN NAI, UE IP address, port numbers set or port numbers are sent to the DRA；
Correspondingly, the DRA, specifically for finding the suitable addresses BPCF according to MN NAI, and by the addresses BPCF It is bound with MN NAI, UE IP address, port numbers set or port numbers.
Wherein, when AF or TDF is located at fixed network, second network entity is AF or TDF, is specifically used for described DRA sends the Diameter request messages for carrying UE IP address, port numbers subset or port numbers；
Correspondingly, the DRA, the UE IP address sent with specific reference to the AF or TDF, port numbers subset or port numbers, The binding relationship for searching BPCF and MN NAI, UE IP address, port numbers set or port numbers that pre-save, finds described The addresses BPCF of BNG/BRAS or AAA selections.
A kind of DRA, the UE IP that the Diameter request messages for being sent according to the second network entity received carry Address and port numbers subset or UE IP address and port numbers search the DRA bindings pre-saved, find the choosing of first network entity The policy control server selected.
Further, the DRA is additionally operable to as the first network entity selection policy control server, and creates institute State DRA bindings；Wherein, the DRA binds the UE IP address, port numbers set or port numbers and the first network is real The incidence relation of the policy control server of body selection.
Further, the DRA is additionally operable to, according to UE IP address, port numbers set or port numbers, judge whether There are the binding informations of the user, if being not present, create the DRA bindings.
Further, the DRA is additionally operable to increase new port numbers set according to the Diameter request messages received Or port numbers or delete UE IP address and port numbers set or port numbers.
The present invention searches the DRA that pre-saves by DRA and binds, and ensures that the second network entity finds the by the DRA The policy control server of one network entity selection can solve the AF/TDF or BNG/BRAS of BPCF and mobile network and consolidate It the problem of AF/TDF selection same policy control servers of net, realizes related network elements and selects the same policy control server Mechanism enhancing.
Description of the drawings
Fig. 1 is the intercommunication schematic diagram of the EPS and non-3 GPP system of existing 3GPP；
Fig. 2 is the schematic network structure that existing UE carries out service distributing by WLAN；
Fig. 3 is the mark contingency table schematic diagram of existing UE；
Fig. 4 is that the AF of existing mobile network selects the schematic diagram of PCRF；
Fig. 5 is the flow diagram of the control method of mobile terminal accessing business of the present invention；
Fig. 6 is the flow diagram of the embodiment one of the control method of mobile terminal accessing business of the present invention；
Fig. 7 is the flow diagram of the embodiment two of the control method of mobile terminal accessing business of the present invention；
Fig. 8 is the flow diagram of the embodiment three of the control method of mobile terminal accessing business of the present invention；
Fig. 9 is the flow diagram of the example IV of the control method of mobile terminal accessing business of the present invention；
Figure 10 is the flow diagram of the embodiment five of the control method of mobile terminal accessing business of the present invention；
Figure 11 is the flow diagram of the embodiment six of the control method of mobile terminal accessing business of the present invention；
Figure 12 is the flow diagram of the embodiment seven of the control method of mobile terminal accessing business of the present invention；
Figure 13 is the flow diagram of the embodiment eight of the control method of mobile terminal accessing business of the present invention；
Figure 14 is the flow diagram of the embodiment nine of the control method of mobile terminal accessing business of the present invention；
Figure 15 is the flow diagram of the embodiment ten of the control method of mobile terminal accessing business of the present invention；
Figure 16 is the flow diagram of the embodiment 11 of the control method of mobile terminal accessing business of the present invention；
Figure 17 is the flow diagram of the embodiment 12 of the control method of mobile terminal accessing business of the present invention；
Figure 18 is the flow diagram of the embodiment 13 of the control method of mobile terminal accessing business of the present invention；
Figure 19 is the flow diagram of the embodiment 14 of the control method of mobile terminal accessing business of the present invention；
Figure 20 is the flow diagram of the embodiment 15 of the control method of mobile terminal accessing business of the present invention；
Figure 21 is the flow diagram of the embodiment 16 of the control method of mobile terminal accessing business of the present invention；
Figure 22 is the flow diagram of the embodiment 17 of the control method of mobile terminal accessing business of the present invention；
Figure 23 is the flow diagram of the embodiment 18 of the control method of mobile terminal accessing business of the present invention；
Figure 24 is the flow diagram of the embodiment 19 of the control method of mobile terminal accessing business of the present invention；
Figure 25 is the flow diagram of the embodiment 20 of the control method of mobile terminal accessing business of the present invention；
Figure 26 is the flow diagram of the embodiment 21 of the control method of mobile terminal accessing business of the present invention；
Figure 27 is the flow diagram of the embodiment 22 of the control method of mobile terminal accessing business of the present invention；
Figure 28 is the flow diagram of the embodiment 23 of the control method of mobile terminal accessing business of the present invention；
Figure 29 is the structural schematic diagram of the control system of mobile terminal accessing business of the present invention.
Specific implementation mode
The present invention basic thought be：DRA receives the Diameter request messages of the second network entity transmission, described in preservation UE IP address and port numbers subset or UE IP address and port numbers that Diameter request messages carry is searched and is pre-saved DRA is bound, and finds the policy control server of first network entity selection.Here, port numbers set of the present invention and end Slogan subset is the set for including multiple port numbers, wherein port numbers subset is to belong to the subclass of port numbers set；When including When a port, for convenience of description, it is believed that it is simultaneously not belonging to port numbers set and port numbers subset, and therefore, the present invention relates to And to port numbers description use port numbers set, port numbers subset, port numbers form of presentation.
To make the objectives, technical solutions, and advantages of the present invention clearer, by the following examples and with reference to attached drawing, right The present invention is further described.
Fig. 5 shows the implementation process of the control method of the mobile terminal accessing business of the present invention, as shown in figure 5, described Method includes the following steps：
Step 501, it is that the first network is real that first network entity, which sends Diameter request messages to DRA, the DRA, Body selection strategy controls server, and creates DRA bindings；
Specifically, the first network entity can be BPCF or BNG/BRAS or AAA；Wherein, first network entity is sent out UE IP address, port numbers set or port numbers are carried in the Diameter request messages sent；The DRA binds the UE The association of the policy control server of IP address, the port numbers set or port numbers and the first network entity selection is closed System；Further, MN NAI, phase are also carried in the Diameter request messages that the first network entity is sent to the DRA Ying Di, the DRA bind MN NAI, the UE IP address, the port numbers set or port numbers and the strategy control The incidence relation of control server；
Specifically, first network entity transmission carries MN NAI, UE IP address, port numbers set or port numbers Diameter request messages find conjunction to DRA, the DRA according to according to the MN NAI in the Diameter request messages received The suitable addresses PCRF, and judge whether to have existed the binding information of the user, if being not present, with creating MN NAI, UE IP The binding of the policy control server of location, port numbers set or port numbers and the first network entity selection；Further, DRA can also increase new port numbers set or port numbers according to the Diameter request messages received or delete UE IP Address and port numbers set or port numbers.
Here, when AF or TDF is located at mobile network, the first network entity is BPCF；Under non-roaming scene, BPCF sends the Diameter request messages for carrying MN NAI, UE IP address, port numbers set or port numbers to the DRA； The DRA finds the suitable addresses PCRF according to MN NAI, and by the addresses PCRF and MN NAI, UE IP address, port numbers Set or port numbers are bound；Alternatively,
When roaming scence roaming place is accessed, BPCF carries MN NAI, UE IP address, end to the DRA of roaming place transmissions The Diameter request messages of slogan set or port numbers；The DRA finds the suitable addresses vPCRF according to MN NAI, and will It is bound with MN NAI, UE IP address, port numbers set or port numbers the addresses vPCRF；Alternatively,
When roaming scence ownership place accesses, BPCF carries MN NAI, UE by vPCRF to the DRA of ownership place transmissions The Diameter request messages of IP address, port numbers set or port numbers；The DRA of the ownership place is found properly according to MN NAI The addresses hPCRF, and the addresses hPCRF and MN NAI, UE IP address, port numbers set or port numbers are bound.
When AF or TDF is located at fixed network, the first network entity is BNG/BRAS or AAA；BNG/BRAS or AAA The Diameter request messages for carrying MN NAI, UE IP address, port numbers set or port numbers are sent to the DRA；It is described DRA finds the suitable addresses BPCF according to MN NAI, and by the addresses BPCF and MN NAI, UE IP address, port numbers set Or port numbers are bound.
Step 502, DRA receives the Diameter request messages of the second network entity transmission, is asked according to the Diameter The UE IP address and port numbers subset or UE IP address and port numbers that message carries are sought, the DRA bindings pre-saved is searched, looks for To the policy control server of the first network entity selection；
Here, second network entity can be AF or TDF；Specifically, the embodiment of the present invention is with the second network entity It is described in detail for AF, it should be understood that when the second network entity is TDF, the correlation function and process flow and second of TDF When network entity is AF, the correlation function of AF is identical with process flow；
When AF or TDF is located at mobile network, under non-roaming scene, AF or TDF carry UE to DRA transmissions The Diameter request messages of IP address, port numbers subset or port numbers；The UE IP that the DRA is sent according to the AF or TDF Address, port numbers subset or port numbers, the addresses PCRF described in finding step 501 and MN NAI, UE IP address, port numbers collection The binding relationship of conjunction or port numbers finds the addresses PCRF of the BPCF selections；Alternatively,
When roaming scence roaming place is accessed, AF or TDF carry UE IP address, port numbers to the DRA of roaming place transmissions The Diameter request messages of subset or port numbers；UE IP address that the DRA is sent according to the AF or TDF, port work song Collection or port numbers, the addresses vPCRF described in finding step 501 and MN NAI, UE IP address, port numbers set or port numbers Binding relationship finds the addresses vPCRF of the BPCF selections；Alternatively,
When roaming scence ownership place accesses, AF or TDF carry UE IP address, port numbers to the DRA of ownership place transmissions The Diameter request messages of subset or port numbers；UE IP address that the DRA of the ownership place is sent according to the AF or TDF, Port numbers subset or port numbers, the addresses hPCRF described in finding step 501 and MN NAI, UE IP address, port numbers set or The binding relationship of port numbers finds the addresses hPCRF of the BPCF selections.
When AF or TDF is located at fixed network, AF or TDF carry UE IP address, port work song to DRA transmissions The Diameter request messages of collection；UE IP address, port numbers subset or the port that the DRA is sent according to the AF or TDF Number, the binding relationship of BPCF described in finding step 501 and MN NAI, UE IP address, port numbers set or port numbers are found The addresses BPCF of the BNG/BRAS or AAA selections.
Embodiment one, embodiment two and embodiment three are DRA during the gateway control session initiated based on BPCF is established It needs on the basis of existing MN NAI and PCRF address information relationships, to be associated the enhancing of information.The net that BPCF is initiated It is mainly the scenario triggered for being adhered to by UE or being switched to from 3GPP WLAN to close control session establishment.
Fig. 6 shows the detailed process of the embodiment one of the control method of mobile terminal accessing business of the present invention, embodiment One has been shown in particular under non-roaming scene, and during the gateway control session that BPCF is initiated is established, DRA creates MN NAI, UE The process of IP address and port numbers set binding, the embodiment one include the following steps：
Step 601- steps 602：UE establishes relevant bearer in 3GPP, when UE perceives wlan network, discovery BBF accesses When, initiate switching；
Step 603：UE executes the EAP access authentications based on 3GPP, and the RG of fixed network can obtain MN from 3GPPAAA servers NAI；
Step 604：After access authentication success, fixed network carries out the distribution of UE IP address；
When UE carries out service distributing, UE IP address is UE IP；RG/BNG/BRAS establishes NA (P) T and enters oral thermometer Information, and bind MN NAI and UE IP address, port numbers set.When RG is route pattern, RG can pass to these information BNG/BRAS。
Step 605/ step 605a：BNG/BRAS directly transmits message to BPCF, specifically as shown in step 605, Huo Zhetong It crosses AAA and forwards the message to BPCF, specifically as shown in step 605a, triggering BPCF establishes S9* session flows.
Here, which is BPCF, selects the flow of PCRF by DRA, with specific reference to the working method of DRA difference and not Together.
When DRA supports agent functionality, step 606- steps 610 are executed, are indicated in figure 6 with dotted line frame (A)；Work as DRA When supporting redirection function, step 606a- step 609a are executed, are indicated in figure 6 with dotted line frame (B)；
Step 606- steps 607：BPCF sends S9*Diameter to DRA and establishes request message, DRA receive message it Afterwards, it carries out DRA and binds foundation/update；Specifically mainly while the PCRF binding relationships established MN NAI and chosen, Bind UE IP address, port numbers set.Wherein, it can be that gateway control session foundation disappears that S9*Diameter, which establishes request message, Breath, similarly hereinafter.
Step 608：DRA acts on behalf of S9*Diameter as agency, to PCRF forwardings and establishes request message.
Step 609- steps 610：PCRF is acted on behalf of after S9*Diameter establishes request message receiving, and can be replied to DRA S9*Diameter response messages；DRA, which can be forwarded, acts on behalf of S9*Diameter response messages to BPCF.Wherein, S9*Diameter is answered It can be gateway control session confirmation message to answer message, similarly hereinafter.So far, S9* session establishments are completed.
Step 606a- steps 607a：BPCF sends S9*Diameter to DRA and establishes request message, and DRA receives message Later, it carries out DRA and binds foundation/update, mainly while the PCRF binding relationships established MN NAI and chosen, also tie up Determine UE IP address, port numbers set.
Step 608a：DRA replys S9*Diameter response messages to BPCF；
Step 609a：After BPCF receives S9*Diameter response messages, according to the addresses PCRF of return, with PCRF it Between establish S9* sessions.
After the completion of S9* session establishments, following operation can be executed：
Step 611：UE completes PDN connection flows.
Step 612：UE completes the relevant bearing resource releases of 3GPP.
Fig. 7 shows the detailed process of the embodiment two of the control method of mobile terminal accessing business of the present invention, embodiment Two have been shown in particular under roaming scence, and when AF is located at roaming place, during the gateway control session that BPCF is initiated is established, DRA Create MN NAI, UE IP address and port numbers set binding process, for when AF is located at roaming place under roaming scence, just It is required that BPCF and AF can select identical vPCRF, therefore, the processing of the DRA binding informations of roaming place is more crucial, the reality Example two is applied to include the following steps：
Step 701- steps 705a is identical as the step 601- steps 605a in embodiment one, and which is not described herein again.
Here, which is BPCF, selects the flow of PCRF by DRA, with specific reference to the working method of DRA difference and not Together.
When DRA supports agent functionality, step 706- steps 710 are executed, are indicated in the figure 7 with dotted line frame (A)；Work as DRA When supporting redirection function, step 706a- step 709a are executed, are indicated in the figure 7 with dotted line frame (B)；Wherein, step 706- is walked Rapid 710 and step 706a- steps 709a in embodiment one step 606- steps 610 and step 606a- steps 609a it is basic Identical, difference place is that DRA is located at roaming place, and vPCRF can regard the PCRF of Fig. 6, in this case, BPCF and vPCRF it Between message interaction process can be in reference chart 6, the message interaction process between BPCF and PCRF.In addition, if necessary to refer to If the strategic decision-making of ownership place, then also to establish S9 sessions.
Step 711- steps 712 are identical as the step 611- steps 612 of embodiment one, repeat no more.
Fig. 8 shows the detailed process of the embodiment three of the control method of mobile terminal accessing business of the present invention, embodiment Three have been shown in particular under roaming scence, when AF is located at ownership place, during the gateway control session foundation that BPCF is initiated, and DRA wounds The process that MN NAI, UE IP address and port numbers set are bound is built, the ownership place under roaming scence is accessed, AF, which is located at, to return Possession, this requires BPCF and AF can select identical hPCRF, and therefore, the processing of the DRA binding informations of ownership place is more closed Key, the embodiment three include the following steps：
Step 801- steps 805a is identical as the step 601- steps 605a in embodiment one, and which is not described herein again.
Here, which is BPCF, selects the flow of PCRF by DRA, with specific reference to the working method of DRA difference and not Together.
When DRA supports agent functionality, step 806- steps 811 are executed, are indicated in fig. 8 with dotted line frame (A)；Work as DRA When supporting redirection function, step 806a- step 810a are executed, are indicated in fig. 8 with dotted line frame (B)；
Step 806：S9* session establishment interacting messages are carried out between BPCF and vPCRF.
After vPCRF receives the S9* session establishment request messages of BPCF transmissions, it can be selected by the DRA of ownership place HPCRF is different with specific reference to the working method of DRA.
Step 807- steps 808：VPCRF sends S9 Diameter to DRA and establishes request message, DRA receive message it Afterwards, it carries out DRA and binds foundation/update, mainly while the hPCRF binding relationships established MN NAI and chosen, also tie up Determine UE IP address, port numbers set.
Step 809：DRA acts on behalf of S9 Diameter as agency, to hPCRF forwardings and establishes request message.
Step 810- steps 811：HPCRF is acted on behalf of after S9 Diameter establish request message receiving, and can be returned to DRA Multiple S9 Diameter response messages；DRA, which can be forwarded, acts on behalf of S9 Diameter response messages to vPCRF.
So far, S9 session establishments are completed.
Step 806a：S9* session establishment interacting messages are carried out between BPCF and vPCRF.
After vPCRF receives the S9* session establishment request messages of BPCF transmissions, it can be selected by the DRA of ownership place HPCRF is different with specific reference to the working method of DRA.
Step 807a- steps 808a：VPCRF sends S9 Diameter to DRA and establishes request message, and DRA receives message Later, it carries out DRA and binds foundation/update, mainly while the PCRF binding relationships established MN NAI and chosen, also tie up Determine UE IP address, port numbers set.
Step 809a：DRA replys S9 Diameter response messages to vPCRF；
Step 810a：After vPCRF receives S9 Diameter response messages, according to the addresses hPCRF of return, with hPCRF Between establish S9 sessions.So far, S9 session establishments are completed.
After the completion of S9 session establishments, step 812- steps 813, here, step 812- steps 813 and embodiment can be executed Step 611- steps 612 in one are identical, repeat no more.
It should be appreciated that in actual deployment, due to not knowing that roaming UE still passes through ownership by roaming place access service Ground access service, therefore, roaming place access and ownership place in embodiment, which access two kinds of scenes, to be occurred simultaneously, that is to say, that During S9* sessions and S9 session establishments, related DRA is required for establishing the enhancing binding information about MN NAI.
In addition, above-described embodiment is suitable for the case where RG is route pattern, when RG is bridge mode, BNG/BRAS is complete at this time At the work of above-mentioned RG, specifically include：NA (P) T work is executed, and transmits MN NAI, UE IP address and port numbers set to phase Close network element, such as BPCF.
Also, in above-described embodiment, AF is predominantly located in mobile network；Here when AF is located in fixed network, for The flow of BNG/BRAS and AF search strategies server such as BPCF is with specific reference to Fig. 9, at this point, the stream of example IV shown in Fig. 9 The flow of journey and the embodiment one shown in Fig. 6 is essentially identical, the difference is that：BNG/BRAS is in the DRA selections by fixed network During BPCF, DRA bindings MN NAI, the addresses BPCF, UE IP address and port numbers set；BNG/BRAS replaces Fig. 6 In BPCF, the DRA of fixed network replace the DRA of mobile network in Fig. 6, BPCF replace the PCRF in Fig. 6, other message and effect and Flow shown in fig. 6 is identical, repeats no more, in addition, BNG/BRAS can also carry out BPCF by AAA by the DRA of fixed network in Fig. 9 Selection, as shown in the part of the wire frame (C) in Fig. 9, detailed process with it is above-mentioned essentially identical, only by AAA triggering DRA carry out MN NAI, the addresses BPCD, UE IP address and port numbers set are bound, is repeated no more.
Embodiment five, embodiment six, embodiment seven, embodiment eight, embodiment nine and embodiment ten are that description BPCF is initiated Gateway control session renewal process in, DRA is needed to existing MN NAI, UE IP address, port numbers set and the addresses PCRF Association, carry out the update of partial information.The gateway control session update that BPCF is initiated is primarily due to UE and sends out service request After giving RG, RG has found to be that the port numbers set that the UE is distributed is used up；Alternatively, under UE states of activation, HSS/ AAA changes the service distributing state of UE.
Figure 10 shows the detailed process of the embodiment five of the control method of mobile terminal accessing business of the present invention, embodiment Five have been shown in particular under non-roaming scene, and after service request is sent to RG by UE, RG discoveries have been the port of UE distribution After number set is used up, new port numbers set is distributed to the process of the UE, the embodiment five includes the following steps：
Step 1001：UE sends service request；
Step 1002：After RG receives service request, NA (P) T is executed, discovery needs for the new assignment of port numbers of the UE, then Increase newly assigned port numbers set, and is associated with the existing MN NAI of the UE and UE IP address；
Step 1003：RG sends Radius Intermediate Charging ICHs to BNG/BRAS and updates request message, transmits MN NAI, UE IP Address, new port numbers set or all of the port number set.
Step 1004/ step 1004a：BNG/BRAS directly transmits message to BPCF, specifically as shown in step 1004, or BPCF is forwarded the message to by AAA, specifically as shown in step 1004a, triggering BPCF establishes S9* session flows.
Here is the flow that BPCF updates related information by DRA, is had not with specific reference to the working method difference of DRA Together.
When DRA supports agent functionality, step 1005- steps 1009 are executed, are indicated in figure 6 with dotted line frame (A)；When When DRA supports redirection function, step 1005a- step 1009a are executed, are indicated in figure 6 with dotted line frame (B)；
Step 1005- steps 1006：BPCF sends S9*Diameter request messages to DRA, carry in message MN NAI, UE IP address, port numbers set.After DRA receives message, DRA binding acknowledgements are carried out, are found according to MN NAI associated The addresses PCRF, port numbers set, increase new port numbers set at UE IP address.
Step 1007：DRA acts on behalf of S9*Diameter request messages as agency, to PCRF forwardings, and MN is carried in message NAI, UE IP address, port numbers set.
Step 1008- steps 1009：PCRF can be replied after receiving and acting on behalf of S9*Diameter request messages to DRA S9*Diameter response messages；DRA, which can be forwarded, acts on behalf of S9*Diameter response messages to BPCF.So far, S9* session establishments are complete At.
Step 1005a- steps 1006a：BPCF sends S9*Diameter to DRA and PCRF respectively and updates request message, disappears MN NAI, UE IP address, port numbers set are carried in breath.
Step 1007a：After DRA receives S9*Diameter update request messages, DRA binding acknowledgements are carried out, according to MN NAI finds the associated addresses PCRF, UE IP address, port numbers set, increases new port numbers set.
Step 1008a：DRA replys S9*Diameter response messages to BPCF.
Step 1009a：PCRF replys S9*Diameter response messages to BPCF.
Figure 11 shows the detailed process of the embodiment six of the control method of mobile terminal accessing business of the present invention, embodiment Six have been shown in particular under roaming scence, and when AF is located at roaming place, and after service request is sent to RG by UE, RG discoveries be this After the port numbers set of UE distribution is used up, process of the new port numbers set to the UE is distributed, for working as under roaming scence When AF is located at roaming place, it is desirable to BPCF and AF can select identical vPCRF, therefore, the place of the DRA binding informations of roaming place Reason is more crucial, and the embodiment six includes the following steps：
Step 1101- steps 1104a is identical as the step 1001- steps 1004a in embodiment five, and which is not described herein again.
Here, which is BPCF, selects the flow of PCRF by DRA, with specific reference to the working method of DRA difference and not Together.
When DRA supports agent functionality, step 1105- steps 1109 are executed, are indicated in fig. 11 with dotted line frame (A)；When When DRA supports redirection function, step 1105a- step 1109a are executed, are indicated in fig. 11 with dotted line frame (B)；Wherein, step 1105- steps 1109 and step 1105a- steps 1109a and the step 1005- steps 1009 and step 1005a- in embodiment five Step 1009a is essentially identical, and difference place is that DRA is located at roaming place, and vPCRF can regard the PCRF of Figure 10, in this case, Message interaction process between BPCF and vPCRF can be in reference chart 10, the message interaction process between BPCF and PCRF.Separately Outside, if necessary to the strategic decision-making with reference to ownership place, then also to establish S9 sessions.
Figure 12 shows the detailed process of the embodiment seven of the control method of mobile terminal accessing business of the present invention, embodiment Seven have been shown in particular under roaming scence, and when AF is located at ownership place, after service request is sent to RG by UE, RG discoveries have been the UE After the port numbers set of distribution is used up, process of the new port numbers set to the UE is distributed, for working as AF under roaming scence When positioned at ownership place, this requires BPCF and AF can select identical hPCRF, therefore, the place of the DRA binding informations of ownership place Reason is more crucial, and the embodiment seven includes the following steps：
Step 1201- steps 1204a is identical as the step 1001- steps 1004a in embodiment five, and which is not described herein again.
Here, which is BPCF, selects the flow of PCRF by DRA, with specific reference to the working method of DRA difference and not Together.
When DRA supports agent functionality, step 1205- steps 1210 are executed, are indicated in fig. 12 with dotted line frame (A)；When When DRA supports redirection function, step 1205a- step 1210a are executed, are indicated in fig. 12 with dotted line frame (B)；
Step 1205：S9* session establishment interacting messages are carried out between BPCF and vPCRF.
After vPCRF receives the S9* session establishment request messages of BPCF transmissions, it can be selected by the DRA of ownership place HPCRF is different with specific reference to the working method of DRA.
Step 1206- steps 1207：VPCRF sends S9 Diameter to DRA and establishes request message, and MN is carried in message Gather behind NAI, UE IP address, port.After DRA receives message, carries out DRA bindings and establish confirmation, found according to MN NAI The associated addresses PCRF, port numbers set, increase new port numbers set at UE IP address.
Step 1208：DRA acts on behalf of S9 Diameter request messages as agency, to hPCRF forwardings, and MN is carried in message NAI, UE IP address, port numbers set.
Step 1209- steps 1210：HPCRF can be replied after receiving and acting on behalf of S9 Diameter request messages to DRA S9 Diameter response messages；DRA, which can be forwarded, acts on behalf of S9 Diameter response messages to vPCRF.So far, S9 session establishments are complete At.
Step 1205a：S9* session establishment interacting messages are carried out between BPCF and vPCRF.
After vPCRF receives the S9* session establishment request messages of BPCF transmissions, it can be selected by the DRA of ownership place HPCRF is different with specific reference to the working method of DRA.
Step 1206a- steps 1207a：VPCRF sends S9 Diameter to DRA and hPCRF respectively and updates request message, MN NAI, UE IP address, port numbers set are carried in message.After DRA receives message, DRA binding acknowledgements are carried out, according to MN NAI find the associated addresses PCRF, UE IP address, port numbers set, increase new port numbers set.
Step 1208a：After DRA receives S9 Diameter update request messages, DRA binding acknowledgements are carried out, according to MN NAI finds the associated addresses hPCRF, UE IP address, port numbers set, increases new port numbers set；
Step 1209a：DRA replys S9 Diameter response messages to vPCRF.
Step 1210a：HPCRF replys S9 Diameter response messages to vPCRF.
When HSS/AAA UE be state of activation when, change UE signing informations, such as：Allow the UE carry out service distributing or Person forbids the UE to carry out service distributing, this when, and HSS/AAA can notify the BNG/BRAS or AAA of BBF by RAR message, Then, BNG/BRAS directly notifies BPCF that either BNG/BRAS notifies BPCF or AAA directly to notify BPCF by AAA, touches Send out the update that BPCF initiates UE IP address, port numbers set.
Figure 13 shows the detailed process of the embodiment eight of the control method of mobile terminal accessing business of the present invention, embodiment Eight have been shown in particular under non-roaming scene, and HSS/AAA is when UE is state of activation, should after changing UE service distributing signing informations The related information of UE more new technological process；The embodiment eight includes the following steps：
Step 1301/ step 1301a：HSS/AAA notifies the AAA or BNG/BRAS of BBF by RAR message, then, The BNG/BRAS or AAA of BBF replys response message.
Step 1302/ step 1302a/ steps 1302b：BNG/BRAS directly notifies BPCF, as shown in step 1302；Or BNG/BRAS notifies BPCF by AAA, as shown in step 1302a；Or AAA directly notifies BPCF, as shown in step 1302b；
Here, MN NAI, UE IP address, port numbers set are carried in notification message；Wherein, when HSS/AAA forbids the UE If carrying out service distributing, then in the interacting message between BNG/BRAS and BPCF, between BPCF and DRA, PCRF, it is only necessary to Carry MN NAI.
Step 1303- steps 1307 are identical as the step 1005- steps 1009 of Figure 10, step 1303a- steps 1307a with Step 1005a- steps 1009a in Figure 10 is identical, and details are not described herein.
Figure 14 shows the detailed process of the embodiment nine of the control method of mobile terminal accessing business of the present invention, embodiment Nine have been shown in particular under roaming scence, and AF is located at roaming place, and HSS/AAA changes UE service distributing label when UE is state of activation About after information, the related information more new technological process of the UE；For when AF is located at roaming place under roaming scence, this requires BPCF and AF can select identical vPCRF, and therefore, the processing of the DRA binding informations of roaming place is more crucial, and the embodiment nine includes Following step：
Step 1401/ step 1401a：HSS/AAA notifies the AAA or BNG/BRAS of BBF by RAR message, then, The BNG/BRAS or AAA of BBF replys response message.
Step 1402/ step 1402a/ steps 1402b：BNG/BRAS directly notifies BPCF, as shown in step 1402；Or BNG/BRAS notifies BPCF by AAA, as shown in step 1402a；Or AAA directly notifies BPCF, as shown in step 1402b；
Here, MN NAI, UE IP address, port numbers set are carried in notification message；Wherein, when HSS/AAA forbids the UE If carrying out service distributing, then in the interacting message between BNG/BRAS and BPCF, between BPCF and DRA, PCRF, it is only necessary to Carry MN NAI.
Step 1403- steps 1407, step 1303a- steps 1407a respectively with the step 1303- steps 1307 in Figure 13 Essentially identical with step 1303a- steps 1307a, difference lies in DRA to be located at roaming place, and vPCRF can regard the PCRF of Figure 13, In this case, the message interaction process between BPCF and vPCRF can be with the interacting message in reference chart 13 between BPCF and PCRF Flow.In addition, if necessary to the strategic decision-making with reference to ownership place, S9 sessions are also established.
Figure 15 shows the detailed process of the embodiment ten of the control method of mobile terminal accessing business of the present invention, embodiment Ten have been shown in particular under roaming scence, and AF is located at ownership place, and HSS/AAA changes UE service distributing label when UE is state of activation About after information, the related information more new technological process of the UE；For when AF is located at ownership place under roaming scence, this requires BPCF and AF can select identical hPCRF, and therefore, the processing of the DRA binding informations of ownership place is more crucial, and the embodiment ten includes Following step：
Step 1501- steps 1502b is identical as the step 1301- steps 1302b of Figure 13, repeats no more.
Step 1503- steps 1508 and step 1503a- steps 1508a respectively with the step 1205- steps 1210 of Figure 12 and Step 1205a- steps 1210a is identical, repeats no more.
In actual deployment, due to not knowing that roaming UE still accesses industry by roaming place access service by ownership place Business, therefore, the roaming place access of embodiment nine and embodiment ten and ownership place access two kinds of scenes and can occur simultaneously, that is, It says, during S9* sessions and S9 session updates, related DRA is required for updating the binding information about MN NAI.
Five~embodiment of embodiment ten is suitable for the case where RG is route pattern, when RG is bridge mode, at this time BNG/ BRAS completes the work of above-mentioned RG, specifically includes：NA (P) T work is executed, and transmits MN NAI, UE IP address and port numbers collection It closes to related network elements, such as BPCF.
In addition, AF is located at mobile network in five~embodiment of embodiment ten, it is activation in UE when AF is located at fixed network When state, after changing UE service distributing signing informations, the related information more new technological process of the UE is referring to the embodiment ten shown in Figure 16 One, the embodiment 12 shown in Figure 17, detailed process is same as described above, repeats no more；In addition, BNG/ in Figure 16, Figure 17 BRAS can also be carried out the selection of BPCF by AAA by the DRA of fixed network, as shown in the part of the wire frame (C) in Figure 16, Figure 17, Detailed process with it is above-mentioned essentially identical, binding MN NAI, the addresses BPCD, UE IP address and end are only carried out by AAA triggerings DRA Slogan set, repeats no more.
Figure 18 shows the detailed process of the embodiment 13 of the control method of mobile terminal accessing business of the present invention, implements Example 13 has been shown in particular under non-roaming scene, and when UE is switched to 3GPP networks from WLAN, the related information of the UE is newer Process, the embodiment 13 include the following steps：
Step 1801- steps 1803：UE switches after WLAN attachments to 3GPP, and UE completes the related letter of access 3GPP After enabling message, the signaling message for deleting WLAN related resources is initiated；
The resource established between BPCF and PCRF is referred to below to delete；Here, specifically delete flow according to whether there is or not ePDG, The working method of DRA is different and different from, as follows：
1. there is the scene of ePDG：
When DRA supports agent functionality, step 1804- steps 1810 are executed, are indicated in figure 18 with wire frame (A)；Work as DRA When supporting redirection function, step 1804a- step 1810a are executed, are indicated in figure 18 with wire frame (A ')；
Step 1804：The gateway control session termination process that ePDG is initiated to PCRF；
Step 1805：PCRF initiates triggering message to BPCF, and notice BPCF initiates S9* session termination flows；
Step 1806- steps 1808：BPCF sends S9*Diameter to DRA and terminates request message, and DRA receives message Later, DRA binding acknowledgements are carried out, DRA acts on behalf of S9*Diameter as agency, to PCRF forwardings and terminates request message.
Step 1809- steps 1810：PCRF receive act on behalf of S9*Diameter terminate request message after, can to DRA return Multiple S9*Diameter response messages；After DRA receives the message, DRA binding acknowledgements/deletion is carried out, association is found according to MN NAI The addresses PCRF, UE IP address, port numbers set, delete UE IP address and port numbers set.Meanwhile DRA can forward agency S9*Diameter response messages；So far, S9* sessions are deleted.
Step 1804a- steps 1805a：It is identical as above-mentioned steps 1804- steps 1805.
Step 1806a-1807a：BPCF sends S9*Diameter to DRA and PCRF respectively and terminates request message.
Step 1808a：After DRA receives S9*Diameter termination request messages, DRA binding acknowledgements/deletion is carried out, The associated addresses PCRF, UE IP address, port numbers set are found according to MN NAI, deletes UE IP address and port numbers set.
Step 1809a：DRA replys S9*Diameter response messages to BPCF.
Step 1810a：PCRF replys S9*Diameter response messages to BPCF；
So far, S9* sessions are deleted.
2. the scene without ePDG：
Step 1811：Under the scene, is mainly deleted, operated with step 1805- steps by the S9* sessions that PCRF is initiated 1810 or step 1805a- step 1810a, as the process flow of wire frame B in Figure 18 repeats no more.
In this embodiment, the process flow of wire frame A, wire frame A ' and wire frame B are essentially consisted in, wherein step A, wire frame A ' It is process flow when having scene existing for ePDG；Process flow when wire frame B is scene existing for no ePDG.
Step 1812：UE completes the release of BBF related resources.
Figure 19 shows the detailed process of the embodiment 14 of the control method of mobile terminal accessing business of the present invention, implements Example 14 has been shown in particular under roaming scence, and when AF is located at roaming place, when UE is switched to 3GPP networks from WLAN, the pass of the UE The process for joining information update, for when AF is located at roaming place under roaming scence, it is desirable to which BPCF and AF can select identical VPCRF, therefore, the processing of the DRA binding informations of roaming place is more crucial, and the embodiment 14 includes the following steps：
Step 1901- steps 1903 are identical as step 1801- step 1803 processing procedures in above-mentioned Figure 18, no longer superfluous It states；
Step 1904- steps 1912 and the process flow of the step 1804- steps 1812 in Figure 18 are essentially identical, main region Be not, DRA is located at roaming place in the present embodiment, and vPCRF can regard the PCRF of Figure 18, in this case, BPCF and vPCRF it Between message interaction process can be with the message interaction process in reference chart 18 between BPCF and PCRF.In addition, if necessary to refer to If the strategic decision-making of ownership place, S9 sessions are also established.
Figure 20 shows the detailed process of the embodiment 15 of the control method of mobile terminal accessing business of the present invention, implements Example 15 has been shown in particular under roaming scence, and when AF is located at ownership place, when UE is switched to 3GPP networks from WLAN, the pass of the UE The process for joining information update, for when AF is located at ownership place under roaming scence, it is desirable to which BPCF and AF can select identical HPCRF, therefore, the processing of the DRA binding informations of ownership place is more crucial, and the embodiment 15 includes the following steps：
Step 2001- steps 2003 are identical as the process flow of step 1801- steps 1803 of Figure 18, repeat no more；
The resource established between BPCF and PCRF is referred to below to delete；Here, specifically delete flow according to whether there is or not ePDG, The working method of DRA is different and different from, as follows：
1. there is the scene of ePDG：
When DRA supports agent functionality, step 2004- steps 2010 are executed, are indicated in fig. 20 with wire frame (A)；Work as DRA When supporting redirection function, step 2004a- step 2010a are executed, are indicated in fig. 20 with wire frame (A ')；
Step 2004：The gateway control session termination process that ePDG is initiated to vPCRF；
Step 2005：VPCRF initiates triggering message to BPCF, and notice BPCF initiates S9* session termination flows；
Step 2006- steps 2008：VPCRF sends S9 Diameter to DRA and terminates request message, and DRA receives message Later, DRA binding acknowledgements are carried out, DRA acts on behalf of S9 Diameter as agency, to hPCRF forwardings and terminates request message.
Step 2009- steps 2010：HPCRF is acted on behalf of after S9 Diameter terminate request message receiving, and can give DRA Reply S9 Diameter response messages；After DRA receives the message, DRA binding acknowledgements/deletion is carried out, pass is found according to MN NAI The addresses hPCRF of connection, UE IP address, port numbers set delete UE IP address and port numbers set.Meanwhile DRA can forward generation Manage S9 Diameter response messages；So far, S9 sessions are deleted.
Step 2004a- steps 2005a：It is identical as above-mentioned steps 2004- steps 2005.
Step 2006a- steps 2007a：VPCRF sends S9 Diameter to DRA and hPCRF respectively and terminates request message.
Step 2008a：After DRA receives S9 Diameter termination request messages, DRA binding acknowledgements/deletion is carried out, The associated addresses hPCRF, UE IP address, port numbers set are found according to MN NAI, deletes UE IP address and port numbers set.
Step 2009a：DRA replys S9 Diameter response messages to vPCRF.
Step 2010a：HPCRF replys S9 Diameter response messages to vPCRF；
So far, S9 sessions are deleted.
2. the scene without ePDG：
Under the scene, mainly deleted by the S9 sessions that PCRF is initiated, it is specific as follows：
Step 2011：HPCRF initiates triggering message to vPCRF, and vPCRF is made to initiate the deletion flow of S9 sessions；
Step 2012：It is operated with step 2006- steps 2010 or step 2006a- steps 2010a.
Step 2013：Flow is deleted in S9* sessions between BPCF and vPCRF.
Explanation：Step 2013 can also carry out before step 2011- steps 2012.
Figure 21, Figure 22 and Figure 23 show that the present invention moves eventually when UE/ePDG/HSS/AAA initiates attachment removal flow Hold embodiment 16, the detailed process of embodiment 17 and embodiment 18 of the control method of access service；It is directed to When being deleted to the resource established between BPCF and PCRF, specific flow of deleting is according to whether there is or not the working method of ePDG and DRA differences And different from, the corresponding flow being referred in embodiment when above-mentioned UE is switched to 3GPP networks from WLAN, referring in particular to It is as follows, it repeats no more：
Shown in Figure 21 the step 1804 that flow is referred to Figure 18 is deleted about the resource established between BPCF and PCRF Flow later；
Figure 22 deletes flow about the resource established between BPCF and PCRF and is referred to after the step 1904 of Figure 19 Flow；
Figure 23 deletes flow about the resource established between BPCF and PCRF and is referred to after the step 2004 of Figure 20 Flow.
In actual deployment, due to not knowing that roaming UE still accesses industry by roaming place access service by ownership place Business, therefore, the access of roaming place in embodiment and ownership place access two kinds of scenes and can occur simultaneously, that is to say, that S9* sessions and During S9 sessions are deleted, related DRA is required for deleting the binding information about MN NAI.
13~embodiment of above example 18 be suitable for RG be route pattern the case where, when RG be bridge mode, this When BNG/BRAS complete the work of above-mentioned RG, specifically include：NA (P) T work is executed, and transmits MN NAI, UE IP address and end Slogan set is to related network elements, such as BPCF.
In addition, AF is located at mobile network in 13~embodiment of embodiment 18, when AF is located at fixed network, the UE's For related information more new technological process referring to the embodiment 19 shown in Figure 24, detailed process is same as described above, repeats no more.
Figure 25 shows the detailed process of the embodiment 20 of the control method of mobile terminal accessing business of the present invention, implements Example 20 has been shown in particular AF and is located at mobile operator, and UE is directly accessed by fixed network under the AF scenes of mobile network, AF selections The process of the mechanism enhancing of the PCRF of mobile network, the embodiment 20 include the following steps：
Step 2501：UE sends service request；
After AF receives service request, according to the working method of DRA, different PCRF selection flows are executed, it is as follows：
When DRA supports agent functionality, step 2502- steps 2506 are executed, are indicated in fig. 25 with dotted line frame (A)；When When DRA supports redirection function, step 2502a- step 2506a are executed, are indicated in fig. 25 with dotted line frame (B)；
Step 2502- steps 2503：AF sends Rx Diameter request messages to DRA, and access decision is asked to PCRF, Include the application feature of business in the message, including：The five-tuple information of business, such as：The IP address of UE, port numbers subclass Deng.After DRA receives the message, DRA binding acknowledgements are carried out, are locally preserved according to the IP of UE and the inquiry of port numbers subclass PCRF address informations, during finding one~embodiment of above-described embodiment three, BPCF is had been selected and is preserved by DRA The addresses PCRF.
Step 2504：DRA acts on behalf of Rx Diameter request messages as agency, to PCRF forwardings.
Step 2505- steps 2506：PCRF is acted on behalf of after Rx Diameter establish request message receiving, and can be returned to DRA Multiple Rx Diameter response messages；DRA, which can be forwarded, acts on behalf of Rx Diameter response messages.
Step 2502a- steps 2503a：AF sends Rx Diameter request messages to DRA, after DRA receives message, DRA binding acknowledgements are carried out, the PCRF address informations locally preserved are inquired according to the IP of UE and port numbers subclass, can be found above-mentioned During one~embodiment of embodiment three, BPCF is by DRA, the addresses PCRF that have been selected and preserve.
Step 2504a：DRA replys Rx Diameter response messages to AF；
Step 2505a- steps 2506a：After AF receives Rx Diameter response messages, according to the addresses PCRF of return, Rx sessions are established between PCRF.
Figure 26 shows the detailed process of the embodiment 21 of the control method of mobile terminal accessing business of the present invention, real It applies example 21 to have been shown in particular under roaming scence, when AF is located at roaming place, UE is directly accessed the AF of mobile network by fixed network Under scene, AF selects the process of the mechanism enhancing of the PCRF of mobile network, for when AF is located at roaming place under roaming scence, AF Rx sessions are established between vPCRF, therefore, the processing of the DRA binding informations of roaming place is more crucial, the embodiment 21 Include the following steps：
Step 2601 is identical as above-mentioned steps 2501, repeats no more；
Step 2602- steps 2606 and step 2602a- steps 2606a respectively with the step 2502- steps 2506 in Figure 25 Essentially identical with step 2502a- steps 2506a, the main distinction is, when AF, DRA are located at roaming place, vPCRF can regard figure 25 PCRF, in this case, message interaction process between AF and vPCRF can be in reference charts 25, disappearing between AF and PCRF Cease interaction flow.In addition, if necessary to the strategic decision-making with reference to ownership place, S9 sessions are also established.
Step 2607 is identical as the step 2507 in Figure 25, repeats no more.
Figure 27 shows the detailed process of the embodiment 22 of the control method of mobile terminal accessing business of the present invention, real It applies example 22 to have been shown in particular under roaming scence, when AF is located at ownership place, UE is directly accessed the AF of mobile network by fixed network Under scene, AF selects the process of the mechanism enhancing of the PCRF of mobile network, for when AF is located at ownership place under roaming scence, AF Rx sessions are established between hPCRF, therefore, the processing of the DRA binding informations of ownership place is more crucial, the embodiment 22 Include the following steps：
Step 2701 is identical as the step 2501 of Figure 25, repeats no more；
Step 2702- steps 2706 and step 2702a- steps 2706a respectively with the step 2502- steps 2506 in Figure 25 Essentially identical with step 2502a- steps 2506a, the main distinction is, AF, DRA are located at ownership place, and hPCRF can regard Figure 25 PCRF, in this case, message interaction process between AF and hPCRF can be in reference chart 25, the message between AF and PCRF Interaction flow.
Step 2707 is identical as the step 2507 in Figure 25, repeats no more.
In addition, AF is located at mobile network in above-described embodiment 20, embodiment 21 and embodiment 22, work as AF When positioned at fixed network, UE is directly accessed by fixed network under the scene of AF, and AF selects the process of the mechanism enhancing of BPCF referring to figure Embodiment 23 shown in 28, specific process is same as described above, repeats no more.
It should be appreciated that the AF in aforementioned present invention may be TDF, wherein be related to the correlation function and flow of AF, equally TDF is also suitable, which is not described herein again.
The present invention also provides a kind of control system of mobile terminal accessing business, Figure 29 shows the structure of the system Signal, the system comprises：DRA, first network entity and the second network entity；Wherein,
Second network entity, for sending Diameter request messages to the DRA；
The DRA, the UE IP address and port numbers subset for being carried according to the Diameter request messages or UE IP address and port numbers search the DRA bindings pre-saved, find the policy control server of first network entity selection.
Wherein, the first network entity is controlled with selection strategy and is taken for sending Diameter request messages to DRA Business device；MN NAI, UE IP address, port numbers set or port numbers are carried in the Diameter request messages；
The DRA is specifically used for being first network entity selection policy control server, and creates the DRA bindings；Its In, the DRA binds the UE IP address, the port numbers set or port numbers and the first network entity selection The incidence relation of policy control server.
Wherein, the DRA is additionally operable to, according to UE IP address, port numbers set or port numbers, judge whether to have existed The binding information of the user creates the DRA bindings if being not present.
Wherein, the DRA is additionally operable to increase new port numbers set or end according to the Diameter request messages received Slogan or deletion UE IP address and port numbers set or port numbers.
Wherein, MN NAI are also carried in the Diameter request messages that the first network entity is sent to DRA；
Correspondingly, the DRA that the DRA is established binds MN NAI, the UE IP address, the port numbers set Or the incidence relation of port numbers and the policy control server.The policy control server is BPCF or PCRF.Wherein, when When the AF or TDF is located at mobile network, the first network entity is BPCF, is used under non-roaming scene, to the DRA Send the Diameter request messages for carrying MN NAI, UE IP address, port numbers set or port numbers；Alternatively, in roaming field When scape roaming place is accessed, MN NAI, UE IP address, port numbers set or port numbers are carried to the DRA of roaming place transmissions Diameter request messages；Alternatively, when roaming scence ownership place accesses, carried to the DRA of ownership place transmissions by vPCRF The Diameter request messages of MN NAI, UE IP address, port numbers set or port numbers；
Correspondingly, the DRA, specifically for finding the suitable addresses PCRF according to MN NAI, and by the addresses PCRF It is bound with MN NAI, UE IP address, port numbers set or port numbers；Alternatively, finding suitable vPCRF according to MN NAI Address, and the addresses vPCRF and MN NAI, UE IP address, port numbers set or port numbers are bound；Alternatively, according to MN NAI find the suitable addresses hPCRF, and by the addresses hPCRF and MN NAI, UE IP address, port numbers set or end Slogan is bound.
Here, when AF or TDF is located at mobile network, second network entity is AF or TDF, is specifically used for non-unrestrained It swims under scene, the Diameter request messages for carrying UE IP address, port numbers subset or port numbers is sent to the DRA；Or Person carries UE IP address, port numbers subset or port numbers when roaming scence roaming place is accessed to the DRA of roaming place transmissions Diameter request messages；Alternatively, when roaming scence ownership place accesses, sent with carrying UE IP to the DRA of ownership place The Diameter request messages of location, port numbers subset or port numbers；
Correspondingly, the DRA, the UE IP address sent with specific reference to the AF or TDF, port numbers subset or port numbers, The binding relationship for searching the addresses PCRF and MN NAI, UE IP address, port numbers set or port numbers that pre-save, is looked for The addresses PCRF selected to the BPCF；Alternatively, UE IP address, port numbers subset or the port sent according to the AF or TDF Number, search the binding pass of the addresses vPCRF pre-saved and MN NAI, UE IP address, port numbers set or port numbers System finds the addresses vPCRF of the BPCF selections；Alternatively, UE IP address, the port numbers subset sent according to the AF or TDF Or port numbers, search the binding pass of the addresses hPCRF pre-saved and MN NAI, UE IP address, port numbers set or port numbers System finds the addresses hPCRF of the BPCF selections.
Wherein, when the AF or TDF is located at fixed network, the first network entity is BNG/BRAS or AAA, is used for The Diameter request messages for carrying MN NAI, UE IP address, port numbers set or port numbers are sent to the DRA；
Correspondingly, the DRA, specifically for finding the suitable addresses BPCF according to MN NAI, and by the addresses BPCF It is bound with MN NAI, UE IP address, port numbers set or port numbers.
Here, when AF or TDF is located at fixed network, second network entity is AF or TDF, is specifically used for described DRA sends the Diameter request messages for carrying UE IP address, port numbers subset or port numbers；
Correspondingly, the DRA, the UE IP address sent with specific reference to the AF or TDF, port numbers subset or port numbers, The binding relationship for searching the addresses BPCF and MN NAI, UE IP address, port numbers set or port numbers that pre-save, finds institute State the addresses BPCF of BNG/BRAS or AAA selections.
The present invention also provides a kind of DRA, the Diameter requests for being sent according to the second network entity received The UE IP address and port numbers subset or UE IP address and port numbers that message carries are searched the DRA bindings pre-saved, are found The policy control server of first network entity selection.
Further, the DRA is additionally operable to as the first network entity selection policy control server, and creates institute State DRA bindings；Wherein, the DRA binds the UE IP address, port numbers set or port numbers and the first network is real The incidence relation of the policy control server of body selection.
Further, the DRA is additionally operable to, according to UE IP address, port numbers set or port numbers, judge whether There are the binding informations of the user, if being not present, create the DRA bindings.
Further, the DRA is additionally operable to increase new port numbers set according to the Diameter request messages received Or port numbers or delete UE IP address and port numbers set or port numbers.
Further, MN NAI are also carried when the first network entity is sent to DRA in Diameter request messages； The DRA that the DRA is established binds MN NAI, the UE IP address, the port numbers set or port numbers and the plan Slightly control the incidence relation of server.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.

Claims (25)

1. a kind of control method of mobile terminal accessing business, which is characterized in that the method includes：
Diameter route agents DRA receives the Diameter request messages of the second network entity transmission, according to described The user terminal network agreement UE IP address and port numbers subset or UE IP address and port that Diameter request messages carry Number, the DRA bindings pre-saved are searched, the policy control server of first network entity selection is found；
Wherein, the DRA binds the UE IP address, port numbers set or port numbers and the first network entity selection Policy control server incidence relation.
2. according to the method described in claim 1, it is characterized in that, the first network entity is that broadband policy control function is real Body BPCF or broadband gateway/broadband remote access servers BNG/BRAS or Certificate Authority and accounting server AAA；
Second network entity is Application Function network element AF or application detection function entity TDF.
3. method according to claim 1 or 2, which is characterized in that the method further includes：
First network entity sends Diameter request messages and is taken for first network entity selection policy control to DRA, the DRA Business device, and create the DRA bindings；UE IP address, port numbers set or port are carried in the Diameter request messages Number.
4. according to the method described in claim 3, it is characterized in that, the DRA establishments DRA is bound：
DRA judges whether the binding information for having existed the UE, if not according to UE IP address, port numbers set or port numbers In the presence of then creating DRA binding.
5. according to the method described in claim 4, it is characterized in that, the binding information for judging whether to have existed the UE Later, the method further includes：
If in the presence of, further according to the Diameter request messages that receive increase new port numbers set or port numbers, Or it deletes UE IP address and port numbers set or deletes UE IP address and port numbers.
6. according to the method described in claim 3, it is characterized in that, the method further includes：
Mobile node network insertion mark is also carried in the Diameter request messages that the first network entity is sent to the DRA Know MN NAI, the DRA and binds MN NAI, the UE IP address, the port numbers set or port numbers and the plan Slightly control the incidence relation of server.
7. according to the method described in claim 1, it is characterized in that, the policy control server is broadband policy control function Entity B PCF or strategy and charging regulation function entity PCRF.
8. according to the method described in claim 6, it is characterized in that, when AF or TDF is located at mobile network, the first network Entity is BPCF, and the first network entity sends Diameter request messages and selected for first network entity to DRA, the DRA Selecting policy control server is：
Under non-roaming scene, BPCF carries MN NAI, UE IP address, port numbers set or port numbers to DRA transmissions Diameter request messages；
It is strategy and charging regulation function entity PCRF that the DRA, which is the policy control server that BPCF is selected according to MN NAI,；
Correspondingly, the DRA creates DRA and binds：
The addresses PCRF and MN NAI, UE IP address, port numbers set or port numbers are bound；Alternatively,
When roaming scence roaming place is accessed, BPCF carries MN NAI, UE IP address, port numbers to the DRA of roaming place transmissions The Diameter request messages of set or port numbers；
It is visited place strategy and charging regulation function entity that the DRA, which is the policy control server that BPCF is selected according to MN NAI, vPCRF；
Correspondingly, the DRA creates DRA and binds：
The addresses vPCRF and MN NAI, UE IP address, port numbers set or port numbers are bound；Alternatively,
When roaming scence ownership place accesses, BPCF is sent with carrying MN NAI, UE IP by vPCRF to the DRA of ownership place The Diameter request messages of location, port numbers set or port numbers；
It is ownership place strategy and charging regulation that the DRA of the ownership place, which is the policy control server that BPCF is selected according to MN NAI, Functional entity hPCRF；
Correspondingly, the DRA creates DRA and binds：
The addresses hPCRF and MN NAI, UE IP address, port numbers set or port numbers are bound.
9. according to the method described in claim 6, it is characterized in that, when Application Function network element AF or application detection function are real When body TDF is located at mobile network, the first network entity is BPCF, and the DRA receives the transmission of the second network entity Diameter request messages, the UE IP address and port numbers subset that are carried according to the Diameter request messages or UE IP Location and port numbers, search the DRA bindings pre-saved, and the policy control server for finding first network entity selection is：
Under non-roaming scene, AF or TDF carry UE IP address, port numbers subset or port numbers to DRA transmissions Diameter request messages；
UE IP address, port numbers subset or the port numbers that the DRA is sent according to the AF or TDF, search the plan pre-saved Slightly with the addresses charging regulation function entity PCRF and mobile node network access Identifier MN NAI, UE IP address, port numbers set Or the binding relationship of port numbers, it is PCRF to find the policy control server that broadband policy control function entity B PCF is selected；Or Person,
When roaming scence roaming place is accessed, AF or TDF carry UE IP address, port numbers subset to the DRA of roaming place transmissions Or the Diameter request messages of port numbers；
UE IP address, port numbers subset or the port numbers that the DRA is sent according to the AF or TDF search visiing of pre-saving Visit tying up for ground strategy and the addresses charging regulation function entity vPCRF and MN NAI, UE IP address, port numbers set or port numbers Determine relationship, it is vPCRF to find the policy control server that the BPCF is selected；Alternatively,
When roaming scence ownership place accesses, AF or TDF carry UE IP address, port numbers subset to the DRA of ownership place transmissions Or the Diameter request messages of port numbers；
UE IP address, port numbers subset or the port numbers that the DRA of the ownership place is sent according to the AF or TDF are searched advance The ownership place strategy of preservation and the addresses charging regulation function entity hPCRF and MN NAI, UE IP address, port numbers set or end The binding relationship of slogan, it is hPCRF to find the policy control server that the BPCF is selected.
10. according to the method described in claim 6, it is characterized in that, when AF or TDF is located at fixed network, first net Network entity is BNG/BRAS or AAA, and it is first that the first network entity, which sends Diameter request messages to DRA, the DRA, Network entity selection strategy controls server：
BNG/BRAS or AAA carries MN NAI, UE IP address, port numbers set or port numbers to DRA transmissions Diameter request messages；
The DRA is BPCF according to the policy control server that MN NAI are first network entity selection；
Correspondingly, the DRA creates MN NAI, UE IP address, port numbers set or port numbers and first network entity choosing The policy control server selected is bound：
The addresses BPCF and MN NAI, UE IP address, port numbers set or port numbers are bound.
11. according to the method described in claim 6, it is characterized in that, as Application Function network element AF or applying detection function When entity TDF is located at fixed network, the first network entity is BNG/BRAS or AAA, and the DRA receives the second network entity The Diameter request messages of transmission, according to the Diameter request messages carry UE IP address and port numbers subset or UE IP address and port numbers search the DRA bindings pre-saved, find the policy control server of first network entity selection For：
AF or TDF sends the Diameter request messages for carrying UE IP address, port numbers subset or port numbers to the DRA；
UE IP address, port numbers set or the port numbers that the DRA is sent according to the AF or TDF, search the width pre-saved Band the policy control functions addresses entity B PCF and mobile node network access Identifier MN NAI, UE IP address, port numbers set or The binding relationship of port numbers, it is BPCF to find the policy control server that BNG/BRAS or AAA are selected.
12. a kind of control system of mobile terminal accessing business, including first network entity, which is characterized in that the system is also Including：Diameter route agents DRA and the second network entity；Wherein,
Second network entity, for sending Diameter request messages to the DRA；
The DRA, the user terminal network agreement UE IP address for being carried according to the Diameter request messages and port Work song collection or UE IP address and port numbers search the DRA bindings pre-saved, find the strategy control of first network entity selection Control server；
Wherein, the DRA binds the UE IP address, port numbers set or port numbers and the first network entity selection Policy control server incidence relation.
13. system according to claim 12, which is characterized in that the first network entity, for sending Diameter Request message controls server to DRA, with selection strategy；UE IP address, port numbers are carried in the Diameter request messages Set or port numbers；
The DRA is specifically used for being first network entity selection policy control server, and creates the DRA bindings.
14. system according to claim 13, which is characterized in that the DRA is additionally operable to according to UE IP address, port numbers Set or port numbers, judge whether the binding information for having existed the UE, if being not present, create the DRA bindings.
15. system according to claim 14, which is characterized in that the DRA is additionally operable to according to the Diameter received Request message increases new port numbers set or port numbers or deletes UE IP address and port numbers set or delete UE IP Address and port numbers.
16. system according to claim 13, which is characterized in that the first network entity sends Diameter to DRA Mobile node network access Identifier MN NAI are also carried in request message；
The DRA that the DRA is established binds MN NAI, the UE IP address, the port numbers set or port numbers and institute State the incidence relation of policy control server.
17. according to claim 12 to 16 any one of them system, which is characterized in that the policy control server is broadband Policy control functions entity B PCF or strategy and charging regulation function entity PCRF.
18. system according to claim 16, which is characterized in that as Application Function network element AF or apply detection function When entity TDF is located at mobile network, the first network entity is broadband policy control function entity B PCF, for non-roaming Under scene, the Diameter requests that MN NAI, UE IP address, port numbers set or port numbers are carried to DRA transmissions disappear Breath；Alternatively, when roaming scence roaming place is accessed, MN NAI, UE IP address, port numbers are carried to the DRA of roaming place transmissions The Diameter request messages of set or port numbers；Alternatively, when roaming scence ownership place accesses, pass through visited place strategy and meter Expense regulation function entity vPCRF carries MN NAI, UE IP address, port numbers set or port numbers to the DRA of ownership place transmissions Diameter request messages；
Correspondingly, the DRA, specifically for finding suitable strategy with charging regulation function entity PCRF according to MN NAI Location, and the addresses PCRF and MN NAI, UE IP address, port numbers set or port numbers are bound；Alternatively, according to MN NAI finds the suitable addresses vPCRF, and by the addresses vPCRF and MN NAI, UE IP address, port numbers set or port numbers It is bound；Alternatively, suitable ownership place strategy and the addresses charging regulation function entity hPCRF are found according to MN NAI, and will It is bound with MN NAI, UE IP address, port numbers set or port numbers the addresses hPCRF.
19. system according to claim 16, which is characterized in that as Application Function network element AF or apply detection function When entity TDF is located at mobile network, second network entity is AF or TDF, is specifically used under non-roaming scene, to described DRA sends the Diameter request messages for carrying UE IP address, port numbers subset or port numbers；Alternatively, unrestrained in roaming scence When the access of trip ground, the Diameter requests for carrying UE IP address, port numbers subset or port numbers are sent to the DRA of roaming place Message；Alternatively, when roaming scence ownership place accesses, UE IP address, port numbers subset are carried to the DRA of ownership place transmissions Or the Diameter request messages of port numbers；
Correspondingly, the first network entity is broadband policy control function entity B PCF, the DRA, with specific reference to the AF Or UE IP address, port numbers subset or the port numbers that TDF is sent, search the strategy and charging regulation function entity pre-saved The addresses PCRF and mobile node network access Identifier MN NAI, the binding relationship of UE IP address, port numbers set or port numbers, It is PCRF to find the policy control server that broadband policy control function entity B PCF is selected；Alternatively, being sent out according to the AF or TDF UE IP address, port numbers subset or the port numbers come search the visited place strategy and charging regulation function entity pre-saved The addresses vPCRF and MN NAI, the binding relationship of UE IP address, port numbers set or port numbers, find the plan of the BPCF selections Slightly control server is vPCRF；Alternatively, UE IP address, port numbers subset or the port numbers sent according to the AF or TDF, are looked into Look for the ownership place strategy pre-saved and the addresses charging regulation function entity hPCRF and MN NAI, UE IP address, port numbers collection The binding relationship of conjunction or port numbers, it is hPCRF to find the policy control server that the BPCF is selected.
20. system according to claim 16, which is characterized in that as Application Function network element AF or apply detection function When entity TDF is located at fixed network, the first network entity be broadband gateway/broadband remote access servers BNG/BRAS or Certificate Authority and accounting server AAA, for the DRA transmission carry MN NAI, UE IP address, port numbers set or The Diameter request messages of port numbers；
Correspondingly, the DRA, specifically for finding the addresses suitable broadband policy control function entity B PCF according to MN NAI, And the addresses BPCF and MN NAI, UE IP address, port numbers set or port numbers are bound.
21. system according to claim 16, which is characterized in that as Application Function network element AF or apply detection function When entity TDF is located at fixed network, second network entity is AF or TDF, specifically for carrying UE to DRA transmissions The Diameter request messages of IP address, port numbers subset or port numbers；
Correspondingly, the first network entity be broadband gateway/broadband remote access servers BNG/BRAS or Certificate Authority and Accounting server AAA, the DRA, the UE IP address sent with specific reference to the AF or TDF, port numbers subset or port numbers, Search the broadband policy control function entity B PCF that pre-saves and mobile node network access Identifier MN NAI, UE IP address, The binding relationship of port numbers set or port numbers, it is BPCF to find the policy control server that BNG/BRAS or AAA are selected.
22. a kind of Diameter route agents DRA, which is characterized in that the DRA, for real according to the second network received User terminal network agreement UE IP address and port numbers subset that Diameter request messages that body is sent carry or UE IP Location and port numbers search the DRA bindings pre-saved, find the policy control server of first network entity selection；
Wherein, the DRA binds the UE IP address, port numbers set or port numbers and the first network entity selection Policy control server incidence relation.
23. DRA according to claim 22, which is characterized in that the DRA is additionally operable to select for the first network entity Policy control server is selected, and creates the DRA bindings.
24. DRA according to claim 23, which is characterized in that the DRA is additionally operable to according to UE IP address, port numbers Set or port numbers, judge whether the binding information for having existed the UE, if being not present, create the DRA bindings.
25. DRA according to claim 24, which is characterized in that the DRA is additionally operable to according to the Diameter received Request message increases new port numbers set or port numbers or deletes UE IP address and port numbers set or delete UE IP Address and port numbers.
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