CN101369939A - Access network type information transfer method, system and correlated equipment - Google Patents
Access network type information transfer method, system and correlated equipment Download PDFInfo
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Abstract
The invention discloses an access network type information transmission method, a system and a relative device for realizing the access network type information transmission based on an MIP protocol. The method of the invention comprises: an MIP registering request with the access network type information is transmitted to an ownership gateway; the ownership gateway receives the registering request, extracts the access network type information and executes the service processing relative with the access network type. The method and the system and device applying the said method can realize the access network type information transmission based on the MIP protocol, so that the ownership gateway can execute the relative service process according to the access network type.
Description
Technical field
The present invention relates to the wireless access technology field, relate in particular to access network type information transfer method, system and relevant device.
Background technology
Common Internet protocol (IP, Intemet Protocol) technology can not be supported moving of portable terminal, along with the demand to terminal mobility is increasing, has produced mobile IP (MIP, Mobile IP) technology on the basis of common IP technology.The MIP agreement is the Internet engineering duty group (IETF, Intemet Engineering TaskForce) the network layer solution that moves of the support main frame of Ti Chuing, mainly be in order to realize the reliable transmission of IP grouping between Correspondent Node and mobile host, when terminal equipment is mobile between different sub-network, keep itself and being connected of Internet, avoid being interrupted.At present, MIPv4 (RFC 3344) and two versions of MIPv6 (RFC3775) are arranged.In the home network of MIP, all there is a long-term home address (HoA) to be used for discerning each mobile node of MIP, in addition, in nonlocal access network, also has an interim Care-of Address (CoA) to be used for route data.Each switching of node all needs to register to home agent with the CoA that newly obtains, to realize the binding of HoA and CoA.For upper-layer protocol, the meeting of being seen is constant always HA, if need route, then just can find the current location of node by binding information, thereby realize ambulant support.
Along with the application of MIP technology in various access network technologies, the carrier-class network has used the technology based on MIP more and more, network needs the perception access network type to formulate such as charging, service quality (QoS, Quality of Service) strategy such as, and the special operational of being correlated with at different access network technologies.
Existing general packet radio service (GPRS, General Packet Radio Service) in the agreement packet data protocol (PDP has been described, Packet Data Protocol) context active flow, and secondary packet data protocol (Second PDP) context active flow, in these two kinds of activation processes, Serving GPRS Support Node (SGSN, Service GPRS Supporting node) all can in setting up PDP content requests (Create PDP Context Request) message, RAT Type be sent to Gateway GPRS Support Node (GGSN, Gateway GPRS Support Node), GGSN then can be according to the radio access technology types that obtains (RAT Type, Radio Access Technology Type) carries out different operations, this operation comprises implements different charging or QoS rule to different RAT Type, also may be by GGSN notification strategy decision entity, carry out mutually should RAT Type Rulemaking.
In realizing process of the present invention, the inventor finds can't know access network type by the mode of MIP agreement owing to the ownership place gateway in the prior art, and then causes following technical problem:
1.UE in evolvement network by Long Term Evolution (LTE, Long Term Evolution) Access Network or non-3 GPP access network insert under the mode of core net by the MIP mode, because evolvement network core net ownership place gateway do not know access network type, strategy is handled can't to carry out that charging, QoS at access network type distributes etc.;
2.UE in evolvement network, insert at non-3 GPP access network, and during the roaming of the roaming of the GTP by 3GPP interface, gateway can't be known the type of non-3 GPP access network, access network type can't be mail to the ownership place gateway by the 3GPP carrying request of setting up so that the ownership place gateway at different Access Networks charge accordingly, processing such as QoS distribution;
3. in existing evolvement network, for using the MIP agreement between gateway and the ownership place gateway, when UE adheres to or switches, for different because of Access Network of the renewal of ownership place gateway address and storage means.Subscriber equipment (UE, User Equipment) when the 3GPP Access Network inserts, Mobility Management Entity such as SGSN (MME, Mobility Management Entity) by and home subscriber server (HSS, Home Subscriber Server) mutual, the ownership place gateway address is stored into HSS, and insert for non-3GPP, when UE adheres to or switches, the ownership place gateway passes through and authentication, authorize and accounting server (AAA, Authentication, Authorization and Accounting) server alternately, carry out more new technological process of ownership place gateway address, the ownership place gateway address is stored into HSS by aaa server.But, because ownership place gateway and do not know access network type when MIP register, thereby can't carry out the renewal of ownership place gateway address.
Summary of the invention
The technical problem that the embodiment of the invention will solve is access network type information transfer method, system and relevant device, makes that in the MIP agreement ownership place gateway can be known access network type during as core network element interface agreement.
An aspect of the embodiment of the invention provides following access network type information transfer method, and comprising: the embodiment of the invention provides a kind of access network type information transfer method, and this method comprises:
Send the MIP register requirement to the ownership place gateway, described register requirement carries access network type information;
Described ownership place gateway receives described register requirement, extracts access network type information, carries out the Business Processing relevant with described access network type.
The embodiment of the invention provides another kind of access network type information transfer method, and this method comprises:
Non-3 GPP access network sends the MIP register requirement to gateway, and described register requirement carries access network type information;
Gateway receives described MIP register requirement, extracts access network type information from this register requirement, described access network type information is added to based on the default bearing of GTP set up in the request, and the request of setting up of described default bearing is sent to the ownership place gateway;
The ownership place gateway receives described default bearing and sets up request, sets up the request from this default bearing and extracts access network type information, carries out the Business Processing relevant with described access network type.
The embodiment of the invention also provides another kind of access network type information transfer method, and this method comprises:
Send authentication request to aaa server and carry out access authentication, carry access network type information in the described authentication request;
When the ownership place gateway receives the MIP register requirement of Access Network transmission, send authentication request, obtain access network type information from aaa server to aaa server, and the execution Business Processing relevant with described access network type.
The embodiment of the invention following gateway is provided on the other hand, comprising:
The embodiment of the invention provides a kind of gateway, comprising: MIP request receiving element, the first access network type information acquiring unit, first Service Processing Unit, wherein:
The one MIP register requirement receiving element is used to receive the MIP register requirement, and described register requirement carries access network type information;
The first access network type information acquiring unit extracts the entrained access network type information of described register requirement;
First Service Processing Unit is used for carrying out the Business Processing relevant with described access network type according to the resulting access network type of the first access network type information acquiring unit.
The embodiment of the invention also provides another kind of gateway, and this gateway comprises: the 2nd MIP register requirement receiving element, the second access network type information acquiring unit, second Service Processing Unit, wherein:
The 2nd MIP register requirement receiving element is used to receive the MIP register requirement;
The second access network type information acquiring unit is used for obtaining access network type information by authentication request when the 2nd MIP register requirement receiving element receives the MIP register requirement;
Second Service Processing Unit according to the access network type that the second access network type information acquiring unit is obtained, is carried out the Business Processing relevant with described access network type.
The embodiment of the invention following communication system also is provided on the other hand, comprising:
The embodiment of the invention provides a kind of communication system, and this communication system comprises: IAD, ownership place gateway, wherein:
IAD is used for sending the MIP register requirement to the ownership place gateway, and described register requirement carries access network type information;
The ownership place gateway is used to receive the MIP register requirement, extracts access network type information from register requirement, carries out the Business Processing relevant with access network type.
The embodiment of the invention provides another kind of communication system, and this communication system comprises: a kind of communication system, it is characterized in that, and comprising: gateway, ownership place gateway, wherein:
Gateway is used to receive the MIP register requirement that Access Network sends, and described register requirement carries access network type information, and described access network type information is sent to the ownership place gateway by the MIP register requirement;
The ownership place gateway is used to receive the MIP register requirement, and access network type information in extracting from register requirement, carries out the Business Processing relevant with access network type.
The embodiment of the invention also provides another kind of communication system, and this communication system comprises: gateway, ownership place gateway, wherein:
Gateway is used to receive the MIP register requirement that Access Network sends, and described register requirement carries access network type information, and described access network type information is sent to the ownership place gateway by the default bearing request of setting up based on GTP;
The ownership place gateway is used to receive described default bearing and sets up request, extracts access network type information from this carrying request, carries out the Business Processing relevant with described access network type.
The embodiment of the invention also provides another kind of communication system, and this communication system comprises: gateway, ownership place gateway, wherein:
Gateway is used for sending the MIP register requirement to the ownership place gateway when the default bearing that receives the Access Network transmission is set up request, and described register requirement carries access network type information;
The ownership place gateway is used to receive the MIP register requirement, and access network type information in extracting from register requirement, carries out the Business Processing relevant with access network type.
The embodiment of the invention also provides another kind of communication system, and this communication system comprises: aaa server, ownership place gateway, wherein:
Aaa server is used for when non-3 GPP access network is carried out authentication, extracts access network type information and preservation in the authentication request;
The ownership place gateway is used to receive the MIP register requirement, and when receiving register requirement, to aaa server request authentication, obtains access network type information by authentication request from aaa server, and the execution Business Processing relevant with access network type information.
As can be seen from the above technical solutions, the embodiment of the invention makes in the MIP registration process by the MIP agreement is expanded, can transmit access network type to the ownership place gateway, the ownership place gateway can be realized the Business Processing based on access network type according to the access network type of knowing, for example:
1. the ownership place gateway strategies such as charging, QoS that can carry out at access network type are handled;
2. simultaneously, the ownership place gateway can need judge whether the ownership place gateway address to upgrade according to the access network type of knowing;
3. can carry out with the decision entity of PCC alternately, make policy decision entities such as PCC to carry out strategic decision-making according to access network type.
Description of drawings
Fig. 1 is the communication system first example structure schematic diagram in the embodiment of the invention;
Fig. 2 is the communication system second example structure schematic diagram in the embodiment of the invention;
Fig. 3 is communication system the 3rd an example structure schematic diagram in the embodiment of the invention;
Fig. 4 is the gateway first example structure schematic diagram in the embodiment of the invention;
Fig. 5 is the gateway second example structure schematic diagram in the embodiment of the invention;
Fig. 6 is the overall embodiment flow chart of a kind of access network type information transfer method in the embodiment of the invention;
Fig. 7 is the access network type information transfer method first embodiment flow chart in the embodiment of the invention;
Fig. 8 is the access network type information transfer method second embodiment flow chart in the embodiment of the invention;
Fig. 9 is access network type information transfer method the 3rd an embodiment flow chart in the embodiment of the invention;
Access network type information transfer method the 4th embodiment flow chart in Figure 10 embodiment of the invention;
Figure 11 is access network type information transfer method the 5th an embodiment flow chart in the embodiment of the invention;
Figure 12 is access network type information transfer method the 6th an embodiment flow chart in the embodiment of the invention.
Embodiment
The embodiment of the invention provides access network type information transfer method, system and relevant device, by in the MIP registration process, realization makes the ownership place gateway can carry out the Business Processing relevant with access network type to ownership place gateway passes access network type information.
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer, below with reference to accompanying drawing, the embodiment of the invention is further described.
The MIP technology has client mobile IP (CMIP, Client MIP) and proxy-mobile IP (PMIP, Proxy MIP) at present.CMIP is based on the MIP technology of main frame, just needs terminal to participate in the binding procedure of MIP.PMIP is based on the MIP technology of network, does not need terminal to participate in the process of MIP, and the behavior of network meeting proxy terminal replaces terminal to initiate the MIP binding.At present, the MIP agreement has MIPv4 and two versions of MIPv6, and the MIP agreement allows it is expanded, and to strengthen its function, MIPv6 has more defined this mobility scaling option of Mobility Options.Wherein, PMIP is very important mobility management protocol in the evolution block core net network (EPC, Evolved Packet System).Roaming the time can be set up the foundation that the medium face is finished in the tunnel by PMIP, and the foundation in PMIP tunnel divides dual mode again: a kind of is to set up one section tunnel, by non-3GPP network directly to the ownership place gateway of local network; Another kind is to set up two sections tunnels, and wherein one section tunnel is the gateway from non-3GPP network to visited network, and second section is the ownership place gateway from the gateway of visited network to the local network.Also can adopt the mode of PMIP tunnel and GTP tunnel butt joint, that is: non-3GPP network docks by the tunnel that GTP sets up to the ownership place gateway by tunnel and the gateway that PMIP sets up to gateway.
Based on the characteristics such as security feature of non-3 GPP access network network, non-3GPP can be divided into the non-3GPP of trust and the non-3GPP of non-trust.The non-3GPP network of non-trust must connect by a network entity packet data gateway (ePDG, Evolved Packet Data Gateway).Wlan network belongs to the non-3GPP network category of non-trust at present, and micro-wave access global inter communication (WIMAX, Worldwide Interoperability for Microwave Access) network home is in the non-3GPP network category of trusting.
At above-described different protocol type and application scenarios, below the embodiment of the invention is described respectively.
At first the system in the embodiment of the invention is described, with reference to Fig. 1, is the first example structure schematic diagram of communication system in the embodiment of the invention, this system comprises: AGW11, ownership place gateway 12, wherein:
AGW11 is used for sending the PMIP register requirement to ownership place gateway 12, and described register requirement carries access network type information;
This system is applicable to that the non-3 GPP access network of trust inserts, the non-roaming or scene of using non-3 GPP access network to roam to the ownership place gateway.
The Business Processing relevant with access network type that the ownership place gateway can be carried out, for example, strategy is handled to carry out that charging, QoS based on access network type distributes etc.
The judgement of ownership place gateway is learnt when access network type is non-3 GPP access network, then carries out the ownership place gateway address and upgrades, and specifically can the ownership place gateway address be upgraded into HSS by aaa server.
In this system embodiment, can further include the policy development entity, PCRF for example, at this moment, the access network type information that the ownership place gateway obtains extraction sends to the policy development entity, and the policy development entity is used for formulating according to access network type the strategic decision-making of response.
AGW described in the present embodiment is applicable to that as IAD Access Network is the scene of the non-3GPP access of trust.Be understandable that, when described access network is the non-3GPP of non-trust when inserting, AGW need be replaced with ePDG, be used for sending the PMIP register requirement to the ownership place gateway, this register requirement carries access network type information.Other are identical with system embodiment one, repeat no more.EPDG as the pairing system of IAD be applicable to the non-3GPP of non-trust insert, non-roaming or use the roaming of non-3 GPP access network ePDG to the ownership place gateway.
In order to realize the transmission of access network type information, can also insert by the non-3GPP of trust or non-trust, use visit ground gateway to roam and realize to the ownership place gateway.
With reference to Fig. 2, be the second example structure schematic diagram of communication system in the embodiment of the invention, this communication system comprises: IAD 21, gateway 22, ownership place gateway 23, wherein:
IAD 21 is used for sending the PMIP register requirement to gateway, and described register requirement carries access network type information;
Gateway 22 is used to receive the PMIP register requirement that IAD sends, and described access network type information is forwarded to the ownership place gateway by the PMIP register requirement;
Ownership place gateway 23 is used to receive the PMIP register requirement, and extracts access network type information from register requirement, carries out the Business Processing relevant with access network type.
Insert for the non-3GPP that trusts, the perhaps switching between non-3 GPP access network and the 3GPP Access Network, the IAD of Access Network side is AGW, by sending the PMIP register requirement to described gateway 22; And insert for the non-3GPP of non-trust, the perhaps switching between non-3 GPP access network and the 3GPP Access Network then uses ePDG to send the PMIP register requirement to described gateway 21.
In fact, insert or switching for non-3GPP, the Access Network side also can directly be carried out information interaction by UE with visit ground gateway, transmits access network type information, and then described communication system is specially:
Gateway is used to receive the CMIP register requirement that the user sends, and carries access network type information in the described register requirement, and described access network type information is forwarded to the ownership place gateway by the PMIP register requirement;
The ownership place gateway is used to receive the PMIP register requirement, and extracts access network type information from register requirement, carries out the Business Processing relevant with access network type.
In fact, gateway and ownership place gateway carry out information interaction, transmit access network type information, access for the 3GPP Access Network, when described gateway is used to receive the default bearing foundation request of MME transmission, gateway sends the PMIP register requirement to the ownership place gateway, and described register requirement carries access network type information.
Because gateway and ownership place gateway can carry out information interaction by the PMIP agreement, set up the PMIP tunnel, also can carry out information interaction by the GTP agreement, set up GTP tunnel, thus in the foregoing description communication system can also for:
Gateway receives the MIP register requirement that Access Network sends, and described register requirement carries access network type information, and described access network type information is sent to the ownership place gateway by the default bearing request of setting up based on GTP;
The ownership place gateway receives described default bearing and sets up request, therefrom extracts access network type information, carries out the Business Processing relevant with described access network type.
The described MIP register requirement that gateway receives, if directly mutual with UE, then described MIP register requirement is the CMIP register requirement; If carry out information interaction by IAD and UE, the MIP register requirement of then being received is the PMIP register requirement.
The embodiment of the invention also provides another communication system, can realize access network type information is passed to the ownership place gateway,, be the 3rd example structure schematic diagram of communication system in the embodiment of the invention with reference to Fig. 3, this communication system comprises: aaa server, ownership place gateway, wherein:
From the description of above each system as can be known, if it is directly mutual with the user, the register requirement that described ownership place gateway receives is the CMIP register requirement, if carry out information interaction by gateway or IAD and user, the register requirement that then described ownership place gateway receives is the PMIP register requirement.
Described access network type information finally all is delivered to the ownership place gateway, the ownership place gateway is carried out the Business Processing relevant with access network type, below the described ownership place gateway in the embodiment of the invention is described in detail, with reference to Fig. 4, be the first example structure schematic diagram of gateway in the embodiment of the invention, this gateway comprises: a MIP register requirement receiving element 41, the first access network type information acquiring unit 42, first Service Processing Unit 43, wherein:
The one MIP register requirement receiving element 41 is used to receive the MIP register requirement, and described register requirement carries access network type information;
The first access network type information acquiring unit 42 extracts the entrained access network type information of described MIP register requirement;
First Service Processing Unit 43 is used for carrying out the Business Processing relevant with described access network type according to the first access network type information acquiring unit, 42 resulting access network types.
Wherein, if the ownership place gateway is direct and user interactions, what a then described MIP register requirement receiving element 41 received is the CMIP register requirement; If carry out alternately with the user indirectly by IAD or gateway, what a then described MIP register requirement receiving element 41 received is the PMIP register requirement.
With reference to Fig. 5, be the second example structure schematic diagram of gateway in the embodiment of the invention, this gateway comprises: the 2nd MIP register requirement receiving element 51, the second access network type information acquiring unit 52, second Service Processing Unit 53, wherein:
The 2nd MIP register requirement receiving element 51 is used to receive the MIP register requirement;
The second access network type information acquiring unit 52 is used for obtaining access network type information by authentication request when the 2nd MIP register requirement receiving element 51 receives the MIP register requirement;
Second Service Processing Unit 53 according to the access network type that the second access network type information acquiring unit 52 is obtained, is carried out the Business Processing relevant with described access network type.
Wherein, the described MIP register requirement that described the 2nd MIP register requirement receiving element 51 receives can be the CMIP register requirement, also can be the PMIP register requirement.
Below access network type information transfer method in the embodiment of the invention is described in detail, with reference to Fig. 6, be the overall embodiment flow chart of a kind of access network type information transfer method in the embodiment of the invention, concrete steps are as follows:
61, send the MIP register requirement to the ownership place gateway, described register requirement carries access network type information;
62, described ownership place gateway receives described register requirement, extracts access network type information, carries out the Business Processing relevant with described access network type.
In embodiments of the present invention, agent binding update (PBU by the expansion ietf definition, ProxyBinding Update) request message or Binding Update (BU, Binding Update) request message, make it can carry access network type (AT Type) message, for example, for the MIPv6 version, contain mobility option option, so can be used to indicate AT type information by in PBU, carrying a mobilityoption, for other versions, also can make respective extension, increase description to access network type information.
Can distribute by the access network type value among the mobility option, the different different access network types of value representative, for example: LTE, WIMAX, Cable Access Network are expressed as 5,6,7 respectively.Also can be with reference to the value of RAT type, the distribution that new Access Network newly is worth.
Access network type is not limited to the wireless access network type, also can be the fixed network access network type.
The difference of the concrete scene of following basis is described in detail access network type information transfer method by specific embodiment:
With reference to Fig. 7, be the first embodiment flow chart of access network type information transfer method in the embodiment of the invention, application scenarios inserts for the 3GPP Access Network, wherein, uses the PMIPv6 agreement between visit ground gateway and the ownership place gateway, below is its detailed step:
701, UE is initiated to 3GPP system attachment flow, and the 3GPP internal system is transmitted the request of adhering to of UE to respective network elements;
UE is initiated to 3GPP system attachment flow, is used for network attachment, so-called network attachment, be meant that UE starts shooting in network coverage after, be established to the process of the connection of network.After having only UE success attach to network, just can carry out the data access of ownership place.
702, the LTE system carries out identification to UE and obtains the international mobile subscriber identity of UE (IMSI, International Mobile Subscriber Identity);
Here the access technology with 3GPP R8 is illustrated, in GPRS (version before the 3GPP R8), MME can be finished by SGSN, and eNB (eNodeB) function is finished by Node B (NodeB) and radio network controller (RNC, Radio Network Controller).
703, evolvement network carries out subscription authentication to UE;
If 704 UE once adhered at this MME such as SGSN, normally do not move back net, the carrying that network sweep distributed for this user originally;
705, user position update and subscription data insert;
Step 701～705 intrinsic the flow processs of adhering at the 3GPP Access Network for UE, little with embodiment of the invention technical problem relation to be solved, only summarize here.
706, MME selects a visit ground gateway, and gateway is given in transmission default bearing foundation request (CreateDefault Bearer Request);
Carry user ID in this request, bearer context ID, information such as ownership place gateway address.
707, after receiving the Create Default Bearer Request that MME sends, visit ground gateway sends agent binding update (PBU, Proxy Binding Update) message to the ownership place gateway;
Described agent binding update messages can adopt the PMIPv6 agreement, and expansion mobilityoption wherein increases the description to access network type information.Concrete, carry user ID: NAI in the message, IP address (HoA) request, and the mobility option:AT type information of expansion, here the value of AT type is LTE.User's IP address is a home address.
708, the ownership place gateway extracts AT type from PBU, the ownership place gateway may be according to the information that obtains from aaa server to acting on behalf of mobile agent (PMA the visit ground gateway, Proxy MobileAgent) carries out authentication and mandate, if PMA authentication and mandate are passed through, then UE distributes the ownership place gateway address for this reason.The ownership place gateway judges that access network type is the 3GPP Access Network, does not carry out more new technological process of ownership place gateway address, and this flow process can be upgraded into HSS with the ownership place gateway address by aaa server;
If 709 strategies and the control (PCC that charges, Policy and Charging Control) in evolvement network, implements, the ownership place gateway may be mutual with policy development entity such as the PCRF of PCC, with policy development entity interaction process in, AT type will report the policy development entity as access network type information, for strategic decision-making;
PCC is the carrying and the charging control architecture of a kind of network control of 3GPP proposition, and the main purpose of PCC is that a policy control and a charging system that real-time is stronger will be provided.Wherein, PCRF is the entity of policy development, and PCEF is a policy execution entity, and Access Network information and user profile report PCRF by PCEF, for the policy development at different Access Networks.In system evolved framework (SAE, SystemArchitecture Evolution), at the different network architectures, for certain UE, the ownership place gateway is among PCEF or the PCEF.
710, ownership place gateway (HA) for this reason UE set up MIP banding cache clauses and subclauses, charge according to AT type, corresponding operatings such as QoS allocation strategy, be UE distributing IP address (HoA), and this IP address allocated is replied (PBA, Proxy Binding Acknowledgement) middle loopback give visit ground gateway at agent binding;
711, between visit ground gateway and ownership place gateway, set up the PMIPv6 tunnel;
712, visit ground gateway loopback default bearing is set up response (Create Default BearerResponse) and is given MME;
Carry PDN Address in the response message, PDN Address is a station address, and this address is exactly the HoA that obtains from the ownership place gateway.
713, adhering to request accepts;
714, empty port load-supporting is set up;
715, adhere to and finish;
716, carry out up-downgoing data flow and bearer update.
Step 713～716 are the intrinsic flow process of UE when the LTE Access Network adheres to, and do not have correlation with this patent problem to be solved, only do general introduction here.
From this embodiment as can be seen, by in agent binding update messages, carrying access network type information, the ownership place gateway extracts access network type information from described agent binding update messages, can carry out the Business Processing relevant with access network type, for example, judge whether that according to access network type information needs carry out the ownership place gateway address and upgrade in the step 708, and the charging in step 709～710, QoS such as distribute to handle at strategy.
Certainly, step 708～710th optionally, can be carried out according to actual conditions.
Because the operation that first start is adhered to UE of the processing that switches in new Access Network between the different access network types is identical, so the access network type information that carries in the MIP register flow path in the attachment flow also is applicable to the switching between the different Access Networks, following embodiment is also identical.
With reference to Fig. 8, be the second embodiment flow chart of access network type information transfer method in the embodiment of the invention, application scenarios inserts for the non-3GPP that trusts, and non-roaming or use non-3 GPP access network is roamed to the ownership place gateway, interface protocol uses PMIPv6, below is its detailed step:
Specific layer 2 processing procedure when 801, non-3 GPP access network inserts;
Layer 2 is a data link layer.
802, EAP authentication process, the ownership place gateway address is determined;
803, successfully get involved authentication and mandate, trigger layer 3 attaching process;
This step may comprise the agreement of PMIP and CMIP and select.The selection of MIP agreement can be that the user carries out, and also can be that network carries out.
804, the non-3 GPP access network AGW of Xin Rening sends PBU message as the functional entity of PMA to the ownership place gateway, carries access network type information in this message;
Carry NAI in the PBU message, IP address (HoA) request, and the mobility option in the PMIPv6 version of expansion wherein are described access network type information by AT type parameter.
805, ownership place gateway processes PBU message, be UE distributing IP address (HoA), UE sets up MIP banding cache clauses and subclauses for this reason, extract the AT type that PBU carries, the ownership place gateway judges that access network type is a non-3 GPP access network, carry out more new technological process of ownership place gateway address, this flow process can be upgraded into HSS with the ownership place gateway address by aaa server;
If 806 PCC implement in network, then the ownership place gateway can carry out alternately with policy development entities such as PCRF, with the reciprocal process of policy development entity in, AT type reports the policy development entity as access network type information, for strategic decision-making;
807, the ownership place gateway according to AT type charge, corresponding operating such as QoS allocation strategy, and the non-3 GPP access network AGW that trusts is given in the loopback in PBA message of UE IP address allocated for this reason;
808, between non-3 GPP access network AGW that trusts and ownership place gateway, set up the PMIPv6 tunnel;
809, layer 3 attaching process of UE are finished, and set up the up-downgoing IP connectivity between UE and the ownership place gateway.
In the present embodiment, insert for the non-3GPP that trusts, IAD by Access Network sends to access network type information the ownership place gateway in the MIP registration process, the ownership place gateway receives and extracts access network type information, and can to judge access network type be non-3GPP, therefore can carry out more new technological process of ownership place gateway address, same, can charge according to access network type, policing action such as QoS distribution.
Insert for the non-3 GPP access network of non-trust, be that with the difference of the foregoing description Access Network is not by AGW the MIP register requirement to be sent to the ownership place gateway, but is carried out by ePDG.With reference to Fig. 9, be the 3rd embodiment flow chart of access network type information transfer method in the embodiment of the invention, wherein omitted the non-3GPP UE and the inner specific handling process of the Access Network between the non-3GPP ePDG of non-trust, below be elaborated:
901, UE initiates the IKEv2 tunnel establishment procedure, by aaa server to UE authentication and mandate, and definite ownership place gateway address;
902, the non-3 GPP access network ePDG of non-trust sends PBU message as the functional entity of PMA to the ownership place gateway, carries access network type information in the described message;
Carry NAI in the PBU message, IP address (HoA) request, when adopting PMIPv6, embodiment of the invention expansion mobility option:AT type message is used to represent access network type information.
903, ownership place gateway processes PBU message, be UE distributing IP address (HoA), UE sets up MIP banding cache clauses and subclauses for this reason, extracts AT type from PBU, the ownership place gateway judges that access network type is a non-3 GPP access network, carries out more new technological process of ownership place gateway address;
Ownership place gateway address more new technological process can upgrade into HSS with the ownership place gateway address by aaa server.
904, when PCC implements in network, the ownership place gateway with the reciprocal process of policy development entity in, AT type is reported the policy development entity as access network type information, for strategic decision-making;
905, the ownership place gateway charges according to AT type, policing actions such as QoS distribution, and give the non-3 GPP access network ePDG of non-trust with the loopback in PBA message of this IP address allocated;
If 906 successes carry out Binding Update, then ePDG is finished by the UE authentication;
907, ePDG sends last IKEv2 message, disposes to carry in the quiet lotus at IKEv2 to be UE IP address allocated (HoA);
908, UE sets up the up-downgoing IP connectivity between the ownership place gateway.
Non-3 GPP access network for trust or non-trust inserts, and use under the PMIPv6 agreement situation, use visit ground gateway to roam to the ownership place gateway, with reference to Figure 10, be the 4th embodiment flow chart of access network type information transfer method in the embodiment of the invention, omit the non-3 GPP access network AGW of UE and trust among the figure, perhaps and the particular procedure flow process of the Access Network between the non-3 GPP access network ePDG of non-trust.Owing in second, third embodiment, be described under the non-3 GPP access network of trusting and the non-roaming state of non-3 GPP access network of non-trust, and use visit ground gateway under the situation of ownership place gateway roaming just many visits gateway to the MIP register flow path in this step of ownership place gateway, two kinds of Access Networks are consistent in the processing in this step, so the non-3 GPP access network with non-trust that present embodiment will be trusted is described, and is specific as follows:
1001, at the non-3 GPP access network AGW of UE and trust, after the particular procedure flow process of the Access Network inside between the non-3 GPP access network ePDG that inclusive NAND is trusted, network carries out access authentication and mandate to UE, also may carry out the roaming mode and select address choice with gateway and ownership place gateway;
1002, non-3 GPP access network AGW/ePDG sends PBU message as the functional entity of PMA to visit ground gateway;
Carry NAI in the PBU message, IP address (HoA) request, and the mobility option:AT type message of embodiment of the invention expansion.
1003, visit ground gateway is handled PBU message, for UE sets up the banding cache clauses and subclauses, then visit ground gateway the address of oneself as access gateway address, send PBU message to the ownership place gateway, carry NAI in this message, IP address (HoA) request, and the embodiment of the invention is when adopting the PMIPv6 agreement, the mobility option:AT type message of having expanded is used to represent access network type;
If UE is different Access Networks in the roaming place, switching has taken place under the situation that same visit ground gateway inserts, though the address of ownership place gateway and HoA may not change, then visit ground gateway should send binding update messages to the ownership place gateway according to new access network type.
1004, ownership place gateway processes PBU message is found out the AT type that PBU carries, and the ownership place gateway judges that access network type is a non-3 GPP access network, carries out more new technological process of ownership place gateway address;
Ownership place gateway address more new technological process can upgrade into HSS with the ownership place gateway address by aaa server, and ownership place gateway UE is for this reason set up MIP banding cache clauses and subclauses, is UE distributing IP address (HoA).
If 1005 PCC implement, in the reciprocal process of ownership place gateway and policy development entity, AT type is reported the policy development entity as access network type information, for strategic decision-making in network;
1006, the PCC rule that issues according to AT type or policy development entity of ownership place gateway is carried out and is chargeed, QoS the distributions policing action of etc.ing, and with IP address allocated loopback in PBA message give visit gateway;
1007, visit ground gateway is given non-3 GPP access network AGW/ePDG with the loopback of PBA message;
If 1008 successes carry out Binding Update, UE sets up aliquation 3 or IPsec tunnel to AGW/ePDG;
1009, UE sets up the up-downgoing IP connectivity between the ownership place gateway, is two PMIPv6 tunnels between AGW/ePDG and visit ground gateway and visit ground gateway and the ownership place gateway wherein.
More than among each embodiment, Access Network all describes with the transmittance process of access network type information in the PMIP register flow path, be that example describes directly with UE below by in the CMIP register flow path access network type information being delivered to the ownership place gateway, with reference to Figure 11, be the 5th embodiment flow chart of access network type information transfer method in the embodiment of the invention, present embodiment is primarily aimed at 3GPP or the non-3 GPP access network technology used, the UE of CMIPv6, UE and non-3 GPP access network AGW or ePDG have been omitted among the figure, or the specific processing procedure of Access Network between UE and the 3GPP access network elements, it is as follows that access network type information transmits concrete steps:
1101, network carries out access authentication and mandate to UE, sets up security association;
In addition, also may carry out the address choice that ground gateway and ownership place gateway were selected and visited to the roaming mode, these processes and embodiment of the invention technical problem to be solved is irrelevant, does not do detailed description here.
1102, UE sends Binding Update (BU to the ownership place gateway, Binding Update) message, carry NAI in this message, IP address (HoA) request, and if when adopting CMIPv6, the embodiment of the invention increases AT type parameter by expansion mobility option wherein, is used to represent access network type information;
1103, ownership place gateway processes BU message extracts AT type from BU, and the ownership place gateway is judged access network type, determines whether to carry out the operation that the ownership place gateway address upgrades;
If the ownership place gateway judges that access network type is a non-3 GPP access network, upgrade the flow process of ownership place gateway address; This flow process can be upgraded into HSS with the ownership place gateway address by aaa server, and ownership place gateway UE is for this reason set up MIP banding cache clauses and subclauses, is UE distributing IP address (HoA); If access network type is the 3GPP Access Network, then do not upgrade the ownership place gateway address.
If 1104 PCC implement in network, then the ownership place gateway can carry out alternately with the policy development entity, with the reciprocal process of PCRF in, AT type is reported the policy development entity as access network type information, for strategic decision-making;
1105, the ownership place gateway charges according to the PCC rule that AT type or policy development entity issue, policing actions such as QoS distribution, and IP address allocated replied in binding (BA, BindingAcknowledgement) UE is given in loopback in the message.
In fact, insert by non-3 GPP access network for the user or when switching, the user can send the CMIP register requirement to visit ground gateway earlier, carry access network type information in the described request; When visit ground gateway receives described register requirement, therefrom extract access network type information, and the access network type information that described extraction obtains is delivered to the ownership place gateway by the PMIP register requirement, and then, the ownership place gateway can be carried out the Business Processing relevant with access network type, is not described in detail.
Non-3 GPP access network for trust or non-trust inserts, the embodiment of the invention can also realize by using visit ground gateway to roam to the GTP of ownership place gateway, with reference to Figure 12, be the 6th embodiment flow chart of access network type information transfer method in the embodiment of the invention, below be elaborated by concrete steps:
1201, at the non-3 GPP access network AGW of UE and trust, after the particular procedure flow process of the Access Network inside between the non-3 GPP access network ePDG that inclusive NAND is trusted, network carries out access authentication and mandate to UE;
In addition, also may carry out the address choice that ground gateway and ownership place gateway were selected and visited to the roaming mode, these processes and embodiment of the invention technical problem to be solved is irrelevant, does not do detailed description here.
1202, non-3 GPP access network AGW/ePDG sends PBU message as the functional entity of PMA to visit ground gateway, carry NAI, IP address (HoA) request in this message, and the mobility option:AT type message of embodiment of the invention expansion;
1203, visit ground gateway is handled PBU message, therefrom extract AT type, for UE sets up the banding cache clauses and subclauses, visit ground gateway is sending default bearing foundation request to the ownership place gateway then, default bearing is set up the RAT type that carries the 3GPP definition in the request, if adopt PMIPv6, be converted to the corresponding Format Type generation of 3GPP after specifically the mobility option:AT type information of embodiment of the invention expansion can being taken out from PBU;
1204, ownership place gateway processes default bearing is set up request message, according to AT type, the ownership place gateway judges that access network type is 3GPP or non-3 GPP access network, carries out more new technological process of ownership place gateway address, and this flow process can be upgraded into HSS with the ownership place gateway address by aaa server;
Based under the GTP roaming scence whether to the AT type of non-3 GPP access network carry out the ownership place gateway address more new technological process can be that operator determines.
If 1205 PCC implement in network, then the ownership place gateway with the reciprocal process of policy development entity in, AT type is reported the policy development entity as access network type information, for strategic decision-making;
1206, the ownership place gateway is according to AT type, and perhaps the PCC rule that issues according to the policy development entity is chargeed, policing actions such as QoS distribution, and give visit ground gateway with IP address allocated loopback in PBA message;
1207, visit ground gateway is given non-3 GPP access network AGW/ePDG with the loopback of PBA message;
If 1208 successes carry out Binding Update, UE sets up aliquation 3 or IPsec tunnel to AGW/ePDG;
1209, UE sets up the up-downgoing IP connectivity between the ownership place gateway, is two PMIPv6 tunnels between AGW/ePDG and visit ground gateway and visit ground gateway and the ownership place gateway wherein.
Different with the various embodiments described above is, for non-3 GPP access network, the embodiment of the invention can also be delivered to access network type information the ownership place gateway in the following manner, be specially: when access authentication, can deposit the non-3 GPP access network type in aaa server in advance, when the ownership place gateway receives PBU or BU message, to aaa server request authentication, obtain the access network type information of this UE from aaa server, it can be the ownership place gateway carries a request access network type when the request authentication request, the aaa server request of receiving brings the ownership place gateway with AT type when responding authentication request, also can be aaa server directly when receiving the message of request authentication, just pass to the ownership place gateway with regard to AT type during authentication request in response.
As seen, in the present embodiment, in the register requirement that mails to the ownership place gateway, need not carry access network type information.
Be understandable that, except the mobility option among the MIPv6 is expanded, increase the access network type property parameters, MIP agreement for other versions, also can expand accordingly, increase the access network type property parameters, and then be implemented in the transmission of access network type information in the MIP registration process, illustrate no longer one by one.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, this program comprises the steps: when carrying out
Send the MIP register requirement to the ownership place gateway, described register requirement carries access network type information;
Described ownership place gateway receives register requirement, extracts access network type information, carries out the Business Processing relevant with described access network type.
The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
More than access network type information transfer method provided by the present invention, system and relevant device are described in detail, for one of ordinary skill in the art, thought according to the embodiment of the invention, part in specific embodiments and applications all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (26)
1. an access network type information transfer method is characterized in that, comprising:
Send the MIP register requirement to the ownership place gateway, described register requirement carries access network type information;
Described ownership place gateway receives described register requirement, extracts access network type information, carries out the Business Processing relevant with described access network type.
2. access network type information transfer method as claimed in claim 1 is characterized in that, when inserting by the 3GPP Access Network or switching, sends the MIP register requirement to the ownership place gateway and is specially:
Visit ground gateway receives the default bearing of 3GPP Access Network transmission and sets up when asking, and sends register requirement to the ownership place gateway, and the form of message of described register requirement is an agent binding update.
3. access network type information transfer method as claimed in claim 1 is characterized in that, and is described to ownership place gateway transmission MIP register requirement when inserting by non-3 GPP access network or switching, and is specially:
The non-3 GPP access network IAD sends register requirement to the ownership place gateway, and the form of message of described register requirement is an agent binding update.
4. access network type information transfer method as claimed in claim 1 is characterized in that, when inserting by non-3 GPP access network or switching, describedly sends the MIP register requirement to the ownership place gateway and is specially:
The non-3 GPP access network IAD sends the MIP register requirement to visit ground gateway, and the form of message of described register requirement is an agent binding update;
Visit ground gateway receives described register requirement, from described register requirement, extract access network type information, send register requirement to the ownership place gateway, the form of message of described register requirement is an agent binding update, and carries the access network type information that described extraction obtains.
5. the transmission method of access network type information as claimed in claim 1 is characterized in that, when inserting by non-3 GPP access network or switching, describedly sends the MIP register requirement to the ownership place gateway and is specially:
The user sends the MIP register requirement to visit ground gateway, and the form of message of described register requirement is a Binding Update;
Visit ground gateway receives described register requirement, from described register requirement, extract access network type information, send register requirement to the ownership place gateway, the form of message of described register requirement is an agent binding update, and carries the access network type information that described extraction obtains.
6. access network type information transfer method as claimed in claim 1 is characterized in that, when inserting by 3GPP or non-3GPP or switching, describedly sends the MIP register requirement to the ownership place gateway and is specially:
The user sends the MIP register requirement to the ownership place gateway, and described login request message form is a Binding Update.
7. as each described access network type information transfer method of claim 1 to 6, it is characterized in that described register requirement carries the access network type information specific implementation and is:
Mobility option among the expansion MIPv6 increases the access network type parameter, by sending register requirement to the ownership place gateway, described access network type parameter is delivered to the ownership place gateway.
8. as each described access network type information transfer method of claim 1 to 6, it is characterized in that the Business Processing that described execution is relevant with described access network type comprises:
When judgement learns that access network type is non-3 GPP access network according to access network type message, carry out the operation of upgrading the ownership place gateway address.
9. as each described access network type information transfer method of claim 1 to 6, it is characterized in that the Business Processing that described execution is relevant with described access network type comprises:
The ownership place gateway reports the policy development entity with access network type information, and the policy development entity carries out strategic decision-making according to access network type.
10. as each described access network type information transfer method of claim 1 to 6, it is characterized in that the Business Processing that described execution is relevant with described access network type comprises:
The ownership place gateway carries out strategy according to access network type information to be handled.
11. access network type information transfer method as claimed in claim 1 is characterized in that, described access network type comprises: wireless access network type and fixed network access network type one of them.
12. an access network type information transfer method is characterized in that, comprising:
Non-3 GPP access network sends the MIP register requirement to gateway, and described register requirement carries access network type information;
Gateway receives described MIP register requirement, extracts access network type information from this register requirement, described access network type information is added to based on the default bearing of GTP set up in the request, and the request of setting up of described default bearing is sent to the ownership place gateway;
The ownership place gateway receives described default bearing and sets up request, sets up the request from this default bearing and extracts access network type information, carries out the Business Processing relevant with described access network type.
13. access network type information transfer method as claimed in claim 12 is characterized in that, the Business Processing that described execution is relevant with described access network type comprises:
The ownership place gateway reports the policy development entity with access network type information, and the policy development entity carries out strategic decision-making according to access network type.
14. access network type information transfer method as claimed in claim 12 is characterized in that, the Business Processing that described execution is relevant with described access network type comprises:
According to access network type message, judge and learn when access network type is non-3 GPP access network, carry out the operation of upgrading the ownership place gateway address.
15. access network type information transfer method as claimed in claim 12 is characterized in that, the Business Processing that described execution is relevant with described access network type comprises:
The ownership place gateway carries out strategy according to access network type information to be handled.
16. an access network type information transfer method is characterized in that, comprising:
Send authentication request to aaa server and carry out access authentication, carry access network type information in the described authentication request;
When the ownership place gateway receives the MIP register requirement of Access Network transmission, send authentication request, obtain access network type information from aaa server to aaa server, and the execution Business Processing relevant with described access network type.
17. access network type information transfer method as claimed in claim 16 is characterized in that, the Business Processing that described execution is relevant with access network type comprises:
According to access network type message, judge and learn that access network type is a non-3 GPP access network, carry out the operation of upgrading the ownership place gateway address.
18. access network type information transfer method as claimed in claim 16 is characterized in that, the Business Processing that described execution is relevant with access network type comprises:
The ownership place gateway reports the policy development entity with access network type information, and the policy development entity carries out strategic decision-making according to access network type.
19. access network type information transfer method as claimed in claim 16 is characterized in that, the Business Processing that described execution is relevant with access network type comprises:
The ownership place gateway carries out strategy according to access network type information to be handled.
20. a gateway is characterized in that, comprising: MIP request receiving element, the first access network type information acquiring unit, first Service Processing Unit, wherein:
The one MIP register requirement receiving element is used to receive the MIP register requirement, and described register requirement carries access network type information;
The first access network type information acquiring unit extracts the entrained access network type information of described register requirement;
First Service Processing Unit is used for carrying out the Business Processing relevant with described access network type according to the resulting access network type of the first access network type information acquiring unit.
21. a gateway is characterized in that, comprising: the 2nd MIP register requirement receiving element, the second access network type information acquiring unit, second Service Processing Unit, wherein:
The 2nd MIP register requirement receiving element is used to receive the MIP register requirement;
The second access network type information acquiring unit is used for obtaining access network type information by authentication request when the 2nd MIP register requirement receiving element receives the MIP register requirement;
Second Service Processing Unit according to the access network type that the second access network type information acquiring unit is obtained, is carried out the Business Processing relevant with described access network type.
22. a communication system is characterized in that, comprising: IAD, ownership place gateway, wherein:
IAD is used for sending the MIP register requirement to the ownership place gateway, and described register requirement carries access network type information;
The ownership place gateway is used to receive the MIP register requirement, extracts access network type information from register requirement, carries out the Business Processing relevant with access network type.
23. a communication system is characterized in that, comprising: gateway, ownership place gateway, wherein:
Gateway is used to receive the MIP register requirement that Access Network sends, and described register requirement carries access network type information, and described access network type information is sent to the ownership place gateway by the MIP register requirement;
The ownership place gateway is used to receive the MIP register requirement, and access network type information in extracting from register requirement, carries out the Business Processing relevant with access network type.
24. a communication system is characterized in that, comprising: gateway, ownership place gateway, wherein:
Gateway is used to receive the MIP register requirement that Access Network sends, and described register requirement carries access network type information, and described access network type information is sent to the ownership place gateway by the default bearing request of setting up based on GTP;
The ownership place gateway is used to receive described default bearing and sets up request, extracts access network type information from this carrying request, carries out the Business Processing relevant with described access network type.
25. a communication system is characterized in that, comprising: gateway, ownership place gateway, wherein:
Gateway is used for sending the MIP register requirement to the ownership place gateway when the default bearing that receives the Access Network transmission is set up request, and described register requirement carries access network type information;
The ownership place gateway is used to receive the MIP register requirement, and access network type information in extracting from register requirement, carries out the Business Processing relevant with access network type.
26. a communication system is characterized in that, comprising: aaa server, ownership place gateway, wherein:
Aaa server is used for when non-3 GPP access network is carried out authentication, extracts access network type information and preservation in the authentication request;
The ownership place gateway is used to receive the MIP register requirement, and when receiving register requirement, to aaa server request authentication, obtains access network type information by authentication request from aaa server, and the execution Business Processing relevant with access network type information.
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| CNA200710146736XA CN101369939A (en) | 2007-08-17 | 2007-08-17 | Access network type information transfer method, system and correlated equipment |
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| CNA200710146736XA CN101369939A (en) | 2007-08-17 | 2007-08-17 | Access network type information transfer method, system and correlated equipment |
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| CN101369939A true CN101369939A (en) | 2009-02-18 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012019506A1 (en) * | 2010-08-09 | 2012-02-16 | 中兴通讯股份有限公司 | Method and system for implementing resource control in a fixed network and mobile network integration scenario |
| WO2014056202A1 (en) * | 2012-10-12 | 2014-04-17 | 华为技术有限公司 | Method and advertisement server for providing network information for terminal |
| CN104854832A (en) * | 2012-12-13 | 2015-08-19 | 三星电子株式会社 | Method and apparatus for forwarding of data traffic |
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| CN107734524A (en) * | 2012-07-05 | 2018-02-23 | 华为技术有限公司 | The processing method and equipment of business data packet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012019506A1 (en) * | 2010-08-09 | 2012-02-16 | 中兴通讯股份有限公司 | Method and system for implementing resource control in a fixed network and mobile network integration scenario |
| CN107734524A (en) * | 2012-07-05 | 2018-02-23 | 华为技术有限公司 | The processing method and equipment of business data packet |
| CN107734524B (en) * | 2012-07-05 | 2020-07-10 | 诸暨市元畅信息技术咨询服务部 | Method and device for processing service data packet |
| WO2014056202A1 (en) * | 2012-10-12 | 2014-04-17 | 华为技术有限公司 | Method and advertisement server for providing network information for terminal |
| CN104137485A (en) * | 2012-10-12 | 2014-11-05 | 华为技术有限公司 | Method and advertisement server for providing network information for terminal |
| CN104137485B (en) * | 2012-10-12 | 2017-11-17 | 华为技术有限公司 | The method and announcement server of the network information are provided for terminal |
| CN104854832A (en) * | 2012-12-13 | 2015-08-19 | 三星电子株式会社 | Method and apparatus for forwarding of data traffic |
| US9877258B2 (en) | 2012-12-13 | 2018-01-23 | Samsung Electronics Co., Ltd. | Method and device for transferring data traffic |
| CN104854832B (en) * | 2012-12-13 | 2018-10-30 | 三星电子株式会社 | The method and apparatus for being used for transmission data traffic |
| US9398441B2 (en) | 2012-12-21 | 2016-07-19 | Huawei Technologies Co., Ltd. | Method and apparatus for identifying re-subscribed user |
| CN113596795A (en) * | 2021-07-22 | 2021-11-02 | 中移（杭州）信息技术有限公司 | Equipment binding method and device and computer readable storage medium |
| CN113596795B (en) * | 2021-07-22 | 2023-08-15 | 中移（杭州）信息技术有限公司 | Device binding method, device and computer readable storage medium |
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