CN102177757B - Method, device and system for implementing registration - Google Patents

Method, device and system for implementing registration Download PDF

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Publication number
CN102177757B
CN102177757B CN2009801100767A CN200980110076A CN102177757B CN 102177757 B CN102177757 B CN 102177757B CN 2009801100767 A CN2009801100767 A CN 2009801100767A CN 200980110076 A CN200980110076 A CN 200980110076A CN 102177757 B CN102177757 B CN 102177757B
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application server
subscriber equipment
information
gateway device
request message
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CN102177757A (en
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周汉
吴问付
陈中平
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/60—Context-dependent security
    • H04W12/69—Identity-dependent
    • H04W12/71—Hardware identity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/60—Context-dependent security
    • H04W12/69—Identity-dependent
    • H04W12/72—Subscriber identity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/16—Gateway arrangements

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

A method, device and system for implementing registration are provided in the embodiments of the present invention, said method includes: a gateway device receiving a request message transmitted from a mobility management network element; the gateway device obtaining the application server information used by said user device according to said request message; the gateway device registering said user device with said application server. The application of the present invention, by registering the user device with the application server by the gateway device, avoids the user device registering to the application server, and makes the functions of the user device simple to realize, and makes the user device not need to obtain the information of the application server, thereby improves the security of the network.

Description

A kind of realization process registration, device and system
Technical field
The present invention relates to communication technical field, relate in particular to a kind of realization process registration, device and system.
Background technology
In order to tackle the challenge of wireless broad band technology, keep 3GPP (3 RdGeneration Partnership Project, third generation partner program) leading superiority of network, 3GPP will have formulated LTE (Long Term Evolution, Long Term Evolution plan) in the end of the year 2004.At the given a definition framework of new mobile communications network of the guidance of this evolution plan, this framework and present GPRS (General Packet Radio Service, GPRS)/UMTS (Universal Mobile Telecommunication System, universal mobile telecommunications system) more flat, and only kept packet domain, therefore can be called EPS (evolved packet system, the packet network of evolution).
In the existing communication system, mainly can be divided into two kinds of application: H2H (Human to Human, the people is to the people) application, M2M (Machine to Machine, machine to machine) application.In H2H uses, after user equipment (UE) is attached to network, network side is (as PGW (PDN Gateway), grouped data network gateway) can distribute an IP address to UE, UE can be to AF (Application Function after obtaining the IP address, application server) flow process of initiation registration is registered to its customer equipment identification information and network side among the AF for its IP address allocated.Wherein, UE obtain the IP address mode can for: when UE is attached to network (E-UTRAN (Evolved Universal Terrestrial Radio Access Network, the UMTS Terrestrial radio access network of evolution)) or after UE initiates PDP context activation flow process (GERAN (GSM EDGE Radio Access Network)/UTRAN network), network side (as, PGW or GGSN (Gateway GPRS Support Node, Gateway GPRS Support Node)) can be UE distributing IP address, and can default bearer be accepted message or PDP context activation is accepted to carry to UE in the message creating with the information of AF (as, the address information of AF).But because using, M2M (refers between one or more network element in the network communication that does not need to carry out under the artificial situation about participating in, as application such as traffic control and management, factory's monitoring, remote meter readings) have service application simply and the characteristics of MTC (Machine Type Communication) Device (M2M terminal equipment) One's name is legion, the 3GPP network is MTC Device distributing IP address, and the information notice MTC Device with MTC Server, it is complicated then may to cause MTC Device function to realize, and has reduced the fail safe of network.
Summary of the invention
In order to tackle the challenge of wireless broad band technology, keep 3GPP (3 RdGeneration Partnership Project, third generation partner program) leading superiority of network, 3GPP will have formulated LTE (Long Term Evolution, Long Term Evolution plan) in the end of the year 2004.At the given a definition framework of new mobile communications network of the guidance of this evolution plan, this framework and present GPRS (General Packet Radio Service, GPRS)/UMTS (Universal Mobile Telecommunication System, universal mobile telecommunications system) more flat, and only kept packet domain, therefore can be called EPS (evolved packet system, the packet network of evolution).
In the existing communication system, mainly can be divided into two kinds of application: H2H (Human to Human, the people is to the people) application, M2M (Machine to Machine, machine to machine) application.In H2H uses, after user equipment (UE) is attached to network, network side is (as PGW (PDN Gateway), grouped data network gateway) can distribute an IP address to UE, UE can be to AF (Application Function after obtaining the IP address, application server) flow process of initiation registration is registered to its customer equipment identification information and network side among the AF for its IP address allocated.Wherein, UE obtain the IP address mode can for: when UE is attached to network (E-UTRAN (Evolved Universal Terrestrial Radio Access Network, the UMTS Terrestrial radio access network of evolution)) or after UE initiates PDP context activation flow process (GERAN (GSM EDGE Radio Access Network)/UTRAN network), network side (as, PGW or GGSN (Gateway GPRS Support Node, Gateway GPRS Support Node)) can be UE distributing IP address, and can default bearer be accepted message or PDP context activation is accepted to carry to UE in the message creating with the information of AF (as, the address information of AF).But because using, M2M (refers between one or more network element in the network communication that does not need to carry out under the artificial situation about participating in, as application such as traffic control and management, factory's monitoring, remote meter readings) have service application simply and the characteristics of MTC (Machine Type Communication) Device (M2M terminal equipment) One's name is legion, the 3GPP network is MTC Device distributing IP address, and the information notice MTC Device with MTC Server, it is complicated then may to cause MTC Device function to realize, and has reduced the fail safe of network.
Description of drawings
Fig. 1 is a kind of realization process registration schematic flow sheet that the embodiment of the invention provides;
Fig. 2 is that the another kind that the embodiment of the invention provides is realized the process registration schematic flow sheet;
Fig. 3 a is the APN that provides of the embodiment of the invention and the corresponding relation schematic diagram of MTC Server;
Fig. 3 b is the MTC Device sign that provides of the embodiment of the invention and the corresponding relation schematic diagram of MTC Server;
Fig. 3 c is the MTC Device tabulation schematic diagram under the MTC Server that provides of the embodiment of the invention;
Fig. 3 d is the MTC Server that provides of the embodiment of the invention and the corresponding relation schematic diagram of MTC Device identification section;
Fig. 3 e is the industry user sign that provides of the embodiment of the invention and the corresponding relation schematic diagram between the MTC Server;
Fig. 4 is a kind of method flow schematic diagram of reselecting application server for subscriber equipment that the embodiment of the invention provides;
Fig. 5 is that the embodiment of the invention provides a kind of device schematic diagram of registering realized;
Fig. 6 is the device schematic diagram that the another kind that provides of the embodiment of the invention is realized registration;
Fig. 7 is the device schematic diagram that the another kind that provides of the embodiment of the invention is realized registration;
A kind of system schematic of registering of realizing that Fig. 8 is that the embodiment of the invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
As shown in Figure 1, a kind of realization process registration for the embodiment of the invention provides comprises:
Step 101: the request message that gateway device receiving mobility managed network element sends;
Step 102: gateway device obtains the Application Server information of the subscriber equipment use of described request message correspondence according to described request message;
Step 103: gateway device arrives described application server with described user equipment registration.
The request message that gateway device receiving mobility managed network element sends in the embodiment of the invention, obtain the Application Server information that subscriber equipment uses according to described request information, with user equipment registration to application server, avoided being registered to application server by subscriber equipment, it is simple to make user device function realize, subscriber equipment need not obtain the information of application server, thereby has improved the fail safe of network.
Need to prove that the embodiment of the invention can be applied under the M2M scene, wherein, subscriber equipment is specifically as follows MTC Device, and application server is specially MTC Server.Subsequent embodiment is that example describes with the M2M application scenarios, but it will be appreciated by persons skilled in the art that the embodiment of the invention is not limited to the M2M application scenarios.
As shown in Figure 2, realize process registration for the another kind that the embodiment of the invention provides, comprising:
Step 201:MTC Device sends to mobile management network element and inserts request message, described access request message comprises at least one in the affiliated industry user sign of the sign of MTC Device, the APN that MTC Device carries (Access Point Name, APN) information and MTC Device.Affiliated industry user's sign of described MTCDevice refers to the sign of the group of user equipments (group) under the MTC Device, the sign of M2M industry user (MTC User) under the MTC Device, M2M under the MTC Device uses contracted user's (MTC Subscriber) sign, the information of other indication groups or industry user's sign, for example, by group under the APN identifying user equipment, user's group or industry user, then APN is exactly the affiliated group of subscriber equipment or user's group or industry user's sign, and the specific implementation this patent is not restricted.Need to prove that in concrete application, for the GERAN/UTRAN network, mobile management network element is SGSN, described access request message can be PDP context activation request message (Active PDP Context Request); For the E-UTRAN network, mobile management network element is MME, and described access request message can be Attach Request message or PDN connection request message (Attach Request or PDN Connectivity Request).
Step 202: mobile management network element is according to the described access request message that receives, (need to prove to the gateway device message that initiates a session request, the embodiment of the invention is not limited to described conversation request message), comprise at least one in affiliated industry user's sign of the sign of MTC Device, APN information that MTC Device carries and MTCDevice in the described conversation request message.Need to prove that in embodiments of the present invention, described gateway device can be PGW or GGSN.For example, for the E-UTRAN network, described gateway device is PGW, described mobile management network element sends conversation request message and is specially MME transmission establishment session request (Create Session Request) message to SGW to gateway device, and SGW sends to PGW and creates session request (Create Session Request) message then; Perhaps, for the GERAN/UTRAN network, described gateway device is GGSN, and described mobile management network element sends conversation request message and is specially SGSN transmission establishment PDP Context request (Create PDP Context Request) message to GGSN to gateway device.
Optionally, the information (as the information of the signatory operable MTC Server of this APN in PDN Subscribe Context) of the MTC Server that the MTC Device that can contract in subscription data (described subscription data can be the subscription data of MTC Device, also can be the subscription data of group, industry user, MTC User or MTC Subscriber under the MTC Device) uses.Mobile management network element can obtain the MTC Server information that MTC Device uses in subscription data, then can carry the MTC Server information that described MTC Device uses in above-mentioned conversation request message, is notified to gateway device.
Step 203: gateway device obtains the Application Server information that MTC Device uses according to the request message (being specially conversation request message) that receives.
Concrete, gateway device is according to the sign of MTC Device, APN information or the sign of the industry user under the MTC Device that MTC Device carries, and the configuration information on the inquiry gateway device obtains the MTC Server information that MTC Device uses.Further, gateway device can be selected suitable MTCServer as MTC Device according to the weight information of MTC Server from the MTC Server information that the MTC Device that obtains uses.
Need to prove, use for M2M, the MTC Server that all MTC Device under industry user use can fix, operator can be in gateway device (PGW/GGSN) configuration industry user the address of the MTC Server of MTC Device use.
In addition, the information (as the information of the signatory operable MTC Server of this APN in PDN Subscribe Context) of the MTC Server that the MTC Device that can also contract in subscription data (described subscription data can be the subscription data of MTC Device, also can be the subscription data of group, industry user, MTC User or MTC Subscriber under the MTC Device) uses.Mobile management network element (for example can obtain MTC Server information that MTC Device uses in subscription data, mobile management network element in attachment flow or tracing section updating or Routing Area Update flow process to HLR (attaching position register, Home Location Register) or HSS (home subscribed services device, Home Subscriber Server) sends position updating request (Update Location Request) message, HLR or HSS upgrade in the position and confirm to carry in (Update Location Ack) message the MTC Server information that MTC Device uses), then mobile management network element can carry the MTC Server information that described MTC Device uses in above-mentioned conversation request message, is notified to gateway device.
Another method of obtaining the information of the MTC Server that MTC Device uses can be mobile management network element or gateway device (GGSN or PGW) according to MTC Device sign, industry user under the APN information that MTC Device carries or the MTC Device identifies inquiry DNS (Domain Name System, domain name system) server, in described dns server according to MTC Device sign, industry user under the APN information that MTC Device carries or the MTC Device identifies the MTC Server information that MTC Device uses that disposed, after described dns server has been received the query requests of mobile management network element or gateway device transmission, return query response message according to query requests information and configuration information, carry the MTC Server information that MTC Device uses in the described query response message.If mobile management network element has obtained the MTC Server information that MTC Device uses by the inquiry dns server, then mobile management network element can carry the MTC Server information that described MTC Device uses in above-mentioned conversation request message, is notified to gateway device.
Gateway device can take following several mode to obtain the MTC Server information that MTC Device uses:
Mode one: the corresponding relation between configuration of APN and the MTC Server shown in Fig. 3 a, is the mapping table of APN and MTC Server.Concrete, operator can be the signatory specific APN of industry user, it is at HSS (home subscribed services device, Home Subscriber Server)/comprise this specific APN in the subscription data of the MTC Device of industry user among the HLR (attaching position register, Home Location Register).The corresponding MTC Server of this specific APN of configuration information in the gateway device (GGSN or PGW) (that is the MTC Server information that the corresponding industry user of this specific APN of configuration uses in the gateway device).Gateway device can be known the MTC Server information that MTC Device uses according to the APN of MTC Device correspondence;
Mode two: the corresponding relation between configuration MTC Device and the MTC Server.
Shown in Fig. 3 b, corresponding relation Table A for MTC Device and MTC Server, each MTC Device sign of configuration (for example in the gateway device, described IMSI (the International Mobile Subscriber Identifier that is designated, international mobile subscriber identifier) or IMEI (International Mobile Equipment Identity, International Mobile Station Equipment Identification)) corresponding MTC Server information; Perhaps,
Shown in Fig. 3 c, be the tabulation of the MTC Device under the MTC Server of configuration B, the MTC Device identification list that each MTC Server of configuration can serve in the gateway device; Perhaps,
Shown in Fig. 3 d, be the MTC Server of configuration and the mapping table C of MTC Device identification section, the MTC Server of gateway device configuration MTC Device identification section correspondence, for example, certain MTC Server can provide service for the MTC Device of industry user IMSI number segment 460350789123000 to 460350789123999;
After gateway device obtains MTC Device sign, can question blank A or table B, can obtain the MTC Server information that this MTC Device uses; Perhaps, can obtain the MTC Server information that this MTC Device uses according to the identification section question blank C under the MTC Device sign.
Shown in Fig. 3 e, be the industry user of configuration and the mapping table between the MTC Server.Gateway device configuration industry user ID (as, group identification) is corresponding relation between the MTC Server information used of industry user therewith.Gateway device can access the MTC Server information that MTC Device uses according to this allocation list after obtaining industry user's sign (as, group identification) under the MTC Device.Wherein gateway device obtains the method for the industry user's sign under the MTC Device and can be: by MTC Device insert message (as, adhere to message) in carry industry user's sign under self, be transmitted to gateway device (GGSN or PGW) by mobile management network element; Or, another kind method can be mobile management network element (as, SGSN/MME) obtain MTC Device subscription data, from MTC Device subscription data, obtain the industry user's sign under the MTC Device, by mobile management network element the industry user under the MTC Device that obtains is identified at and is transmitted to gateway device (GGSN or PGW) in the conversation request message.The embodiment of the invention is not restricted the method that the industry user who how to obtain MTC Device identifies.
Mode three: the information of the MTC Server that signatory MTC Device uses in the subscription data of MTC Device (as the information of the signatory operable MTC Server of this APN in PDN Subscribe Context).Mobile management network element can obtain the MTC Server information that MTC Device uses in subscription data (concrete mode is as described above, do not repeat them here), then mobile management network element can carry the MTC Server information that described MTC Device uses in conversation request message, is notified to gateway device.When comprising the MTC Server information of MTC Device use in the conversation request message, gateway device receives described conversation request message, extracts the information of the MTC Server of described MTC Device use.
Mode four: mobile management network element or gateway device (GGSN or PGW) according to MTC Device sign, industry user under the APN information that MTC Device carries or the MTC Device identifies the inquiry dns server, in described dns server according to MTC Device sign, industry user under the APN information that MTC Device carries or the MTC Device identifies the MTC Server information that MTC Device uses that disposed, after described dns server has been received the query requests of mobile management network element or gateway device transmission, return query response message according to query requests information and configuration information, carry the MTC Server information that MTC Device uses in the described query response message.If mobile management network element has obtained the MTC Server information that MTC Device uses by the inquiry dns server, then mobile management network element can carry the MTC Server information that described MTC Device uses in above-mentioned conversation request message, is notified to gateway device.
The method that gateway device obtains the information of the MTC Server that MTC Device uses can belong to any one in above-mentioned four kinds of modes, but be not limited to above-mentioned four kinds of modes again, this patent is not restricted the method that gateway device obtains the information of the MTC Server that MTC Device uses.
Gateway device obtains the information of the MTC Server that MTC Device uses by any one of above-mentioned four kinds of modes, it is to be noted, the MTC Server that MTC Device uses may be for one or more, when the MTC Server that uses as described MTC Device is a plurality of, described MTC Server information can be MTC Server tabulation, for example, MTC Server IP address list or MTC Server FQDN (Fully Qualified Domain Name, described MTC Server FQDN refers to the domain-name information of MTC Server) tabulation.Further, gateway device can be the MTC Server in the MTC Device selection MTC Server information list according to the weight information of MTC Server.Concrete technical scheme is as follows:
The weight information of each MTC Server in gateway device configuration MTC Server information list.The access capability of the weight information of described MTC Server and MTC Server (as, how many MTC Device are maximum can insert) relevant, for example, MTC Server1 and MTC Server2 belong to a MTC Server information list, and the access capability of MTC Server1 is 50,000 MTC Device, and the access capability of MTC Server2 is 10,000 MTC Device, can be 5 in the weight of described gateway device configuration MTC Server1 then, and the weight of MTC Server2 is 1.When described gateway device is selected MTC Server for MTC Device, can select MTC Server according to described weight information.As described above, gateway device can be selected MTC Server1 and MTC Server2 according to 5: 1 probability, so just can guarantee that the MTC Server1 that chooses and the ratio of MTC Server2 are 5: 1, thereby guarantee MTC Server1 and MTC Server2 load balancing.
Step 204: determine the MTC Server of MTC Device use when gateway device after, with the log-on message of user terminal (for example, the identification information of MTC Device (identification information of described MTC Device be MTC Server or M2M user in order to identify M2M equipment, can be the user name of M2M equipment) or network side be MTC Device IP address allocated) be registered among the MTC Server of selection.Concrete grammar is as follows:
Mode one: gateway device sends to MTC Server with the log-on message (as: address information or identification information) of MTC Device by register command, and wherein said register command can be delivered to MTC Server by the form of IP packet.After MTC Server has obtained to comprise the IP packet of register command, obtain register command by resolving the IP packet, obtain identification information or the IP address of MTC Device by the parsing register command.In order to reach the purpose of MTC Server check MTC Device, can comprise the password of MTCDevice in the register command;
Mode two: increase interface between gateway device and the MTC Server, for example, this interface adopts Diameter, by newly-increased message, as Subscribe Request message, give MTC Server with address information or the identification information of MTC Device by Subscribe Request message informing.In order to reach the purpose of MTC Server check MTC Device, can comprise the password of MTC Device in the newly-increased message.The protocol type that interface between above-mentioned gateway device and the MTC Server adopts and newly-increased message name this patent do not limit.
Step 204a: corresponding to second kind of registration scenarios describing among the embodiment 1, newly-increased interface between GGSN/PGW and the MTC Server, for example, this interface adopts Diameter, gives MTC Server with address information and the identification information of MTC Device by newly-increased message registration request (Subscribe Request) message informing.
Step 204b:MTC Server returns registration confirmation message (Subscribe Ack) and gives GGSN/PGW.
Step 205: gateway device returns the session request response to mobile management network element and (sends Create Session Response (establishment conversational response) message as, MME and give PGW; Perhaps, SGSN sends Create PDP Context Response (creating the PDP Context response) message and gives GGSN).Optionally, in described session request response, can carry gateway device and be the information of the MTC Server of MTC Device selection, the notice mobile management network element, network side is registered to MTC Server for MTC Device.Gateway device is according to TFT information (the Traffic Flow Template of the information structuring MTC Device of the MTC Server that selects for MTC Device, the data flow masterplate, be mainly used in mating server data stream), for example with the address information of the MTC Server destination address as TFT.The purposes of described TFT is to mate server data stream, as described above, gateway device is according to the TFT information of the information structuring MTC Device of the MTC Server that selects for MTC Device, and then gateway device can be visited other MTC Server according to this TFT limit information MTC Device.GGSN/PGW also sends to mobile management network element in the session request response with described TFT information.
Need to prove, under some concrete application scenarios, can default setting be that network side is registered on the MTC Server for MTC Device, and at this moment, the registration that gateway device does not need to have carried out is notified to MTC Device by mobile management network element.
Step 206: mobile management network element sends to MTC Device and inserts response message.If mobile management network element obtains gateway device for the TFT information that MTC Device distributes, then in described access response message, carry the Device to MTC.Optionally, mobile management network element carries indication information element in described access response message, and described indication information element is used to indicate MTC Device and whether described MTC Device information is registered to network side.If indication information element sign gateway device is registered to network side with the information of MTC Device, then MTC Device need not to initiate to MTC Server the flow process of registration again.Wherein, described access response message is specifically as follows: PDP context activation is accepted message (Active PDP Context Accept) or default bearer and is set up request message or adhere to and accept message (Activate Default Bearer Request/Attach accept).
The embodiment of the invention provides a kind of realization process registration, select MTC Server by gateway device for MTC Device, and be registered among the MTC Server by the information of gateway device with MTC Device, make MTC Device need not support Session Initiation Protocol, function realizes simple, reduce the time delay of MTC Device registration, and do not needed the information of MTC Server is sent to MTC Device, improved the fail safe of network.In addition, network side can ensure the load sharing of MTC Server according to the weight information Dynamic Selection MTC Server of MTC Server, avoids because the unbalanced paralysed machine problem that causes of MTC Server load.Need to prove, the embodiment of the invention is that example is illustrated with the communication system that M2M uses, but it will be understood by those skilled in the art that, the M2M applied environment only is a concrete application scenarios of the present invention, the embodiment of the invention can also be applied in other the communication system (in the communication system as H2H), and the embodiment of the invention is not restricted this.
As shown in Figure 4, a kind of method of reselecting application server for subscriber equipment that provides for the embodiment of the invention, need to prove, user equipment registration is behind application server, if application server overload (Overload), the fault (Down) of registration or restart (Reset), need reselect application server for subscriber equipment and register under the condition that does not influence the subscriber equipment access this moment.The embodiment of the invention is used with M2M and is described, and described subscriber equipment is specially MTC Device, and described application server is specially MTC Server, and gateway device is specially GGSN/PGW.It will be appreciated by persons skilled in the art that the embodiment of the invention not only can be applied in the M2M applied environment, also can be used for other communication system, as the H2H communication system.The embodiment of the invention is not restricted this.The described method of reselecting application server for subscriber equipment comprises:
Step 401: gateway device detects whether MTC Server (for Source MTC Server) transships, fault or restart.Concrete detection method can have following two kinds, a kind of method is that gateway device periodically sends detect-message (can be detect packet) to Source MTC Server (source MTC Server), need reply detect-message when Source MTC Server receives the detect-message that gateway device sends (can to gateway device echo reply packet).When gateway device sends detect-message to Source MTC Server for the first time, the detect-message of Source MTC Server is replied, and Source MTC Server is an indication Counter (counter) in detecting response message, and the value of described Counter can be an initial value.When follow-up gateway device periodically sends detect-message to Source MTC Server, Source MTC Server replys and detects response message, if Source MTC Server is working properly, the Counter value that then detects in the response message is constant, if Source MTC Server overload, fault or restart, the Counter value that then detects in the response message changes, and for example the Counter value increases by 1.Gateway device can detect Counter value in the response message judge whether Source MTC Server transships according to Source MTC Server, fault or restart.In addition, gateway device can also according to whether receive the response message that Source MTC Server returns judges whether Source MTC Server transships within a certain period of time, fault or restart.As, gateway device can judge whether Source MTC Server is overload, fault or restarts according to the duration of the response message that does not receive Source MTC Server.For example, in the T1 duration, do not receive the response message of Source MTC Server and (T2＞T1) receives the response message of Source MTC Server, and then gateway device can be thought Source MTC Server overload in the T2 duration.If in the T2 duration, do not receive the response message of Source MTC Server, then GGSN/PGW can think Source MTC Server fault or restart, concrete T1, T2 can set according to system requirements, and the embodiment of the invention does not limit this.Another detection method be Source MTC Server can by and gateway device between interface send Indication message notice GGSN/PGW overload, fault or restart.
Step 402: when gateway device detects MTC Server overload, fault or restarts, then gateway device is reselected MTC Server in the MTC Server information list of describing among the embodiment of Fig. 2 correspondence for the MTC Device of this MTC Server of visit.
At first gateway device need be known according to the MTC Device contextual information of preserving and is linked into described overload, the MTC Device of fault or the MTC Server of restarting, gateway device need be known according to the MTC Device contextual information of preserving and is linked into described overload, the concrete grammar of the MTC Device of fault or the MTC Server of restarting can be to comprise MTC Server information in MTC Device contextual information, and gateway device can be known by the MTC Server information in the MTC Device contextual information and is linked into described overload, the MTC Device of fault or the MTC Server of restarting.Gateway device need be known another method of the MTC Device of the MTC Server that is linked into described overload, fault or restarts APN information that can be gateway device use according to the identification information of the MTC Device in the MTC Device contextual information, industry user's identification information under the MTC Deice or MTC Device and the corresponding relation between the MTC Server information according to the MTC Device contextual information of preserving, and knows the MTC Device of the MTC Server that is linked into described overload, fault or restarts.Gateway device is known and is linked into described overload, behind the MTC Device of fault or the MTC Server of restarting, gateway device (GGSN or PGW) (can be other the MTC Server that selects in the described MTC Server information list for MT reconnaissance C Device reselects MTC Server, also can be selection source MTC Server, for example under the scene that source MTC Server is restarted, gateway device can be selected source MTC Server for MTC Device), according to the importance of system requirements and MTC Device (for example, the MTC Device that the M2M of high reliability (High Availability) uses), gateway device can be reselected MTC Server for part or all of MTC Device.For example, gateway device can be known the M2M application characteristic (MTC Feature) of MTC Device according to MTC Device contextual information, if the M2M application characteristic of described MTC Device is high reliability, then gateway device can be reselected MTC Server for the MTC Device of described high reliability.According to MTC Device gateway device context information, informed MTC Device characteristics of M2M applications methods, specifically the gateway device context information according to MTC Device characteristics of M2M applications, informed the MTC Device characteristics of M2M applications, or gateway device according to MTC device context information in the MTC Device identification information, MTC Deice respective trades user identification information or MTC Device used APN information and gateway device configured with the MTC Device identification information, MTC Deice respective trades user identification information or MTC Device used APN information corresponding M2M application characteristics informed the MTC Device M2M applications features.In addition, gateway device also can identify the MTC Device that determines to reselect MTC Server according to sign or the industry user under the MTC Device of the MTC Device in the MTC Device context, and namely gateway device can guarantee that the MTC Device of specific MTC Device or specific industry re-registers.In addition, gateway device can also be selected processing mode according to the state of MTC Server, for example when MTC Server transships, gateway device can reselect for above-mentioned part MTC Device MTC Server (as, gateway device determines whether be that certain MTC Device reselects MTC Server according on Gi interface (data-interface of setting up for each MTC Device between gateway device and the MTC Server) whether transfer of data being arranged.When on certain Gi interface transfer of data being arranged, in order not influence business continuance, gateway device can not be that the MTC Device of Gi interface correspondence reselects MTC Server therewith.When not having transfer of data on certain Gi interface, the gateway device MTC Device of Gi interface correspondence is for this reason reselected MTC Server.), when MTC Server fault or when restarting, gateway device can be reselected MTC Server for above-mentioned whole MTC Device.Gateway device is for after MTC Device selected MTC Server, gateway device need be registered to the information of MTC Device among the MTC Server of selection, concrete selection MTC Server and process registration can reference example two description (as, gateway device sends to described application server with the log-on message of described subscriber equipment, with described user equipment registration to described application server), present embodiment repeats no more.
Foregoing description be under MTC Server overload, fault or the situation of restarting, gateway device (can be other the MTC Server that selects in the described MTC Server information list for MTC Device reselects MTC Server, also can be selection source MTC Server, for example under the scene that source MTC Server is restarted, gateway device can be that MTC Device selects source MTC Server) method.Optionally, gateway device (can be other the MTC Server that selects in the described MTC Server information list for MTC Device has reselected MTC Server, also can be source MTC Server) after, gateway device is MTC Device structure TFT information according to the information of new MTC Server, and for example the address information of the MTC Server that the GGSN/PGW of description will newly select among the embodiment two is as the destination address of TFT.The flow process that GGSN/PGW can initiate bearing modification or renewal sends to MTC Device with described TFT information.If change for MTC Device addresses distributed, then MTC Device address information can send to MTC Device in the flow process of bearing modification.The method of another notice MTC Device address can be to adopt the mode of OMA DM (Open Mobile Alliance Device Mangement) that address or TFT information are notified to MTC Device.Bearing modification flow process and OMA DM mechanism that concrete GGSN/PGW initiates all are prior aries, and present embodiment repeats no more.
Method by the present embodiment description, network side can be that subscriber equipment is reselected application server according to the information on load of application server, and do not influence the access of subscriber equipment, can effectively accomplish the load balancing of application server, and effectively reduce because application server overload, fault or restart influence to subscriber equipment.
As described above, under MTC Server overload, fault or the situation of restarting, gateway device is for after MTC Device reselects MTC Server, optionally, the flow process that gateway device can be initiated bearing modification or renewal sends to MTC Device with amended TFT information or MTC Device address information, at bearing modification or more in the new technological process, gateway device can also indicate MTC Device to initiate again to the flow process of MTC Server registration.Concrete enforcement is as follows, gateway device (GGSN or PGW) is for after MTC Device selected MTC Server, gateway device can with the information of MTC Server in new bearer (PDP) request message (Update Bearer Request or Update PDP Context Request) more (for example, transmit by existing cell PCO (Protocol configuration options)) send to mobile management network element (SGSN or MME), optionally, in described more new bearer (PDP) request message, carry indication MTC Device initiates indication information from register flow path to MTC Server, as, carry cause value (Casuse) indication MTC Device and initiate register flow path to MTC Server.Mobile management network element sends to MTC Device and revises bearing request message (Modify default Bearer Request or Modify dedicate Bearer Request or Modify PDP Context Request), the information that comprises described MTC Server in the described message, optionally, in described message, can carry indication MTC Device initiates indication information from register flow path to MTC Server, as, carry cause value (Casuse) indication MTC Device and initiate register flow path to MTC Server.After MTC Device receives described message, initiate register flow path according to the MTC Server information of carrying in the message or MTC Server information and indication information to MTC Server.Another notice MTC Device is can be to adopt the mode of OMA DM that the information of MTC Server or the information of MTC Server are notified to MTC Device with the indication information that indication MTC Device initiates register flow path to the method that MTC Server initiates register flow path.After MTC Device receives described OMA DM message, initiate register flow path according to the MTC Server information of carrying in the message or MTC Server information and indication information to MTC Server.Described OMA DM mechanism all is prior art, and present embodiment repeats no more.It also is prior art that described MTC Device initiates register flow path, and present embodiment repeats no more.
Method by the present embodiment description, network side can be that subscriber equipment is reselected application server according to the information on load of application server, can effectively accomplish the load balancing of application server, in addition, initiate register flow path by the indication subscriber equipment to application server, guaranteed effective connection the between subscriber equipment and the application server.
Corresponding with said method embodiment provided by the invention, the present invention also provides device and the system that realizes registration.
As shown in Figure 5, a kind of device registered realized for the embodiment of the invention provides comprises:
Receiving element 501 is used for the request message that the receiving mobility managed network element sends;
Acquiring unit 502 is for the Application Server information of the subscriber equipment use of obtaining described request message correspondence according to described request message;
First registering unit 503 is used for described user equipment registration to described application server.
More preferably, be illustrated in figure 6 as the device schematic diagram that another kind that the embodiment of the invention provides is realized registration:
Further, the request message of receiving element 501 receptions comprises the APN of customer equipment identification, subscriber equipment and at least one in the sign of the industry user under the subscriber equipment.
Described acquiring unit 502 specifically is used for obtaining the Application Server information that described subscriber equipment uses according to described request message and configuration information; Or,
Comprise the Application Server information that described subscriber equipment uses in the described request message, the described acquiring unit 502 concrete Application Server information that are used for obtaining from described request message described subscriber equipment use; Or,
Described acquiring unit 502 specifically is used for inquiring about the Application Server information that described subscriber equipment uses according to the APN of customer equipment identification, subscriber equipment or the sign of the industry user under the subscriber equipment to dns server.
Described device can also comprise: memory cell 504, the configuration information that is used for the described subscriber equipment of storage, when the configuration information of described subscriber equipment is the corresponding relation of customer equipment identification and Application Server information, described acquiring unit 502 is specifically for the customer equipment identification that comprises according to described request message, inquire about the corresponding relation of described customer equipment identification and Application Server information, obtain described subscriber equipment corresponding application server information;
Or,
When the configuration information of described subscriber equipment is the corresponding relation of APN and Application Server information, described acquiring unit 502 concrete APN for the subscriber equipment that comprises according to described request message, inquire about the corresponding relation of described APN and Application Server information, obtain described subscriber equipment corresponding application server information;
Or,
When the configuration information of described subscriber equipment is the corresponding relation of customer equipment identification section and Application Server information, customer equipment identification section under the described acquiring unit 502 concrete customer equipment identifications that are used for comprising according to described request message, the corresponding relation of inquiring user device identification section and Application Server information obtains described subscriber equipment corresponding application server information;
Or,
When the configuration information of described subscriber equipment during for the corresponding relation of industry user's sign and Application Server information, industry user's sign under the described acquiring unit 502 concrete described subscriber equipmenies that are used for comprising according to described request message, inquire about the corresponding relation of described industry user's sign and Application Server information, obtain described subscriber equipment corresponding application server information.
Described device also comprises: first selected cell 505 is used for selecting application server according to the weight information of application server from described subscriber equipment corresponding application server information.
The concrete application servers that are used for the log-on message of described subscriber equipment is sent to selection of described first registering unit 503, with described user equipment registration to the application server of described selection.
Described device also comprises: generation unit 506 is used for generating the data flow Template Information according to the server of described selection;
A kind of device registered realized that is illustrated in figure 7 as that the embodiment of the invention provides comprises:
Second selected cell 701 is used for when application server overload, fault or when restarting, is the part or all of subscriber equipment selection application server of described application server correspondence;
Second registering unit 702 is used for described user equipment registration to the application server of selecting.
Further, described second selected cell also comprises: determination module 703, chooser module 704.
Determination module 703 is used for when application server overload, fault or when restarting, determines the subscriber equipment of described application server correspondence according to the contextual information of subscriber equipment;
Chooser module 704, the application characteristic that is used for according to described subscriber equipment is that the some or all of subscriber equipment that described gateway device is determined is selected application server; Or, chooser module 704, being used for according to described customer equipment identification is that the some or all of subscriber equipment that described gateway device is determined is selected application server; Or chooser module 704 is used for being designated the some or all of subscriber equipment selection application server that described gateway device is determined according to the industry user under the described subscriber equipment.
Described determination module 703, concrete being used for determined the subscriber equipment of described application server correspondence according to described contextual information when the described customer equipment context information of gateway device storage includes Application Server information; Or,
Described determination module 703, concrete being used for according to customer equipment context information, the configuration information of inquiring user equipment obtains the subscriber equipment of described application server correspondence.
Described chooser module 704 also is used for obtaining described user equipment applications characteristics from the contextual information of described subscriber equipment; Or described chooser module 704 also is used for obtaining the application characteristic corresponding with described customer equipment identification information, industry user's identification information or APN APN information that self disposes.
As shown in Figure 8, a kind of system that registers of realizing for the embodiment of the invention provides comprises:
Mobile management network element 801 is used for sending a request message to gateway device 802;
Gateway device 802 is used for the request message that receiving mobility managed network element 801 sends, and obtains described subscriber equipment corresponding application server information according to described request message and configuration information, and described user equipment registration is arrived described application server.
The embodiment of the invention provides a kind of realization process registration, device and system, the request message that gateway device receiving mobility managed network element sends, obtain subscriber equipment corresponding application server information according to configuration information, with user equipment registration to application server, avoided being registered to application server by subscriber equipment, it is simple to make user device function realize, subscriber equipment need not obtain the information of application server, thereby has improved the fail safe of network.
Need to prove, in the prior art, also can can't help the 3GPP network is UE distributing IP address, but send DHCP REQUEST message by UE to DHCP (Dynamic Host Configuration Protocol), DHCP is UE distributing IP address, and the information of this IP address and AF can be sent to UE in DHCP ACK message.When MTC Device adopts aforesaid way to obtain IP address and MTC Server (being equivalent to the AF the H2H application) information from DHCP, because MTC Device One's name is legion may cause the DHCP load to increase the weight of, thereby cause network congestion, increase the registration time delay.Correspondingly, adopt above-described embodiment provided by the invention, can alleviate the DHCP load, avoid network congestion, make subscriber equipment not need to obtain the information of MGC Server, improved the fail safe of network.
One of ordinary skill in the art will appreciate that all or part of step that realizes in above-described embodiment method is to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium.Described storage medium, as: ROM/RAM, magnetic disc, CD etc.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (21)

1. realize process registration for one kind, it is characterized in that, comprising:
The request message that gateway device receiving mobility managed network element sends;
Gateway device obtains the Application Server information of the subscriber equipment use of described request message correspondence according to described request message;
Gateway device is selected application server from described subscriber equipment corresponding application server information;
Gateway device generates the data flow Template Information according to the server of described selection;
Gateway device arrives described application server with described user equipment registration;
Wherein, described gateway device comprises described user equipment registration to described application server:
Gateway device sends to the application server of selection with the log-on message of described subscriber equipment, with described user equipment registration to the application server of described selection.
2. the method for claim 1 is characterized in that, described request message comprises the APN APN of customer equipment identification, subscriber equipment and at least one in the sign of the industry user under the subscriber equipment.
3. the method for claim 1 is characterized in that, the Application Server information that described gateway device obtains the subscriber equipment use of described request message correspondence according to described request message comprises:
Gateway device obtains the Application Server information of the subscriber equipment use of described request message correspondence according to described request message and configuration information; Or,
Comprise the Application Server information that described subscriber equipment uses in the described request message, gateway device obtains the Application Server information of the subscriber equipment use of described request message correspondence from described request message.
4. method as claimed in claim 2 is characterized in that, the Application Server information that described gateway device obtains the subscriber equipment use of described request message correspondence according to described request message comprises:
The Application Server information that gateway device uses to the described subscriber equipment of domain name system DNS server lookup according to APN or the sign of the industry user under the subscriber equipment of customer equipment identification, subscriber equipment.
5. method as claimed in claim 3 is characterized in that, described method also comprises:
Described gateway device stores the configuration information of described subscriber equipment.
6. as claim 3 or 5 described methods, it is characterized in that,
When the configuration information of described subscriber equipment is the corresponding relation of customer equipment identification and Application Server information, described gateway device obtains the Application Server information that the subscriber equipment of described request message correspondence uses according to described request message and configuration information and comprises: described gateway device is according to the customer equipment identification that comprises in the described request message, inquire about the corresponding relation of described customer equipment identification and Application Server information, obtain described subscriber equipment corresponding application server information;
Or,
When the configuration information of described subscriber equipment is the corresponding relation of APN and Application Server information, described gateway device obtains the Application Server information that the subscriber equipment of described request message correspondence uses according to described request message and configuration information and comprises: described gateway device is according to the APN of the subscriber equipment that comprises in the described request message, inquire about the corresponding relation of described APN and Application Server information, obtain described subscriber equipment corresponding application server information;
Or,
When the configuration information of described subscriber equipment is the corresponding relation of customer equipment identification section and Application Server information, described gateway device obtains the Application Server information that the subscriber equipment of described request message correspondence uses according to described request message and configuration information and comprises: described gateway device is according to the customer equipment identification section under the customer equipment identification that comprises in the described request message, the corresponding relation of inquiring user device identification section and Application Server information obtains described subscriber equipment corresponding application server information;
Or,
When the configuration information of described subscriber equipment during for the corresponding relation of industry user's sign and Application Server information, described gateway device obtains the Application Server information that the subscriber equipment of described request message correspondence uses according to described request message and configuration information and comprises: described gateway device identifies according to the industry user under the described subscriber equipment that comprises in the described request message, inquire about the corresponding relation of described industry user's sign and Application Server information, obtain described subscriber equipment corresponding application server information.
7. method as claimed in claim 3, it is characterized in that, when comprising the Application Server information of described subscriber equipment use in the described request message, described gateway device obtains from described request message before the Application Server information that the subscriber equipment of described request message correspondence uses, and described method also comprises:
Comprise the Application Server information that described subscriber equipment uses in the subscription data in attaching position register or the home subscribed services device, mobile management network element obtains the Application Server information that described subscriber equipment uses from described attaching position register or home subscribed services device; Or,
Comprise the Application Server information that subscriber equipment uses in the dns server, mobile management network element obtains the Application Server information that described subscriber equipment uses according to APN or the sign of the industry user under the subscriber equipment of customer equipment identification, subscriber equipment from dns server.
8. the method for claim 1 is characterized in that, before the request message that described gateway device receiving mobility managed network element sends, described method also comprises:
Mobile management network element receives the access request message that subscriber equipment sends, and described access request message comprises the APN of customer equipment identification, subscriber equipment and at least one in the sign of the industry user under the subscriber equipment.
9. realize process registration for one kind, it is characterized in that, comprising:
When application server overload, fault or when restarting, gateway device is that the part or all of subscriber equipment of described application server correspondence is selected application server;
Gateway device is with the application server of described user equipment registration to described selection;
Wherein, described gateway device is that the part or all of subscriber equipment of described application server correspondence selects application server to comprise:
Gateway device is determined the subscriber equipment of described application server correspondence according to the contextual information of subscriber equipment;
Gateway device is that the some or all of subscriber equipment that described gateway device is determined is selected application server according to the application characteristic of described subscriber equipment; Or gateway device is that the some or all of subscriber equipment that described gateway device is determined is selected application server according to described customer equipment identification; Or gateway device is designated the some or all of subscriber equipment selection application server that described gateway device is determined according to the industry user under the described subscriber equipment.
10. method as claimed in claim 9 is characterized in that, described gateway device determines that according to the contextual information of subscriber equipment the subscriber equipment of described application server correspondence comprises:
Include Application Server information in the described customer equipment context information of gateway device storage, gateway device is determined the subscriber equipment of described application server correspondence according to described contextual information; Or,
Gateway device is according to customer equipment context information, and the configuration information of inquiring user equipment obtains the subscriber equipment of described application server correspondence.
11. method as claimed in claim 9 is characterized in that, described method also comprises:
Gateway device obtains described user equipment applications characteristics from the contextual information of described subscriber equipment; Or,
Gateway device obtains the application characteristic corresponding with described customer equipment identification information, industry user's identification information or APN APN information that self disposes.
12. method as claimed in claim 9 is characterized in that, described gateway device comprises the application server of described user equipment registration to described selection:
Gateway device sends to described application server with the log-on message of described subscriber equipment, with described user equipment registration to described application server; Or,
Mobile management network element receives the renewal bearing request message that gateway device sends, and comprises the information of the application server of described selection in the described renewal bearing request message; Mobile management network element sends to described subscriber equipment and revises bearing request message, comprises the information of the application server of described selection in the described modification bearing request message; Described subscriber equipment is registered to the application server of described selection according to described modification bearing request message.
13. a device of realizing registering is characterized in that, comprising:
Receiving element is used for the request message that the receiving mobility managed network element sends;
Acquiring unit is for the Application Server information of the subscriber equipment use of obtaining described request message correspondence according to described request message;
First registering unit is used for described user equipment registration to described application server;
Generation unit is used for generating the data flow Template Information according to the server of selecting.
14. device as claimed in claim 13 is characterized in that, described request message comprises the APN of customer equipment identification, subscriber equipment and at least one in the sign of the industry user under the subscriber equipment,
Described acquiring unit specifically is used for obtaining the Application Server information that described subscriber equipment uses according to described request message and configuration information; Or,
Comprise the Application Server information that described subscriber equipment uses in the described request message, described acquiring unit specifically is used for obtaining the Application Server information that described subscriber equipment uses from described request message; Or,
Described acquiring unit specifically is used for identifying the Application Server information that uses to the described subscriber equipment of domain name system DNS server lookup according to the APN of customer equipment identification, subscriber equipment or the industry user under the subscriber equipment.
15. device as claimed in claim 13 is characterized in that, described device also comprises:
Memory cell is for the configuration information of the described subscriber equipment of storage.
16. device as claimed in claim 15 is characterized in that,
When the configuration information of described subscriber equipment is the corresponding relation of customer equipment identification and Application Server information, described acquiring unit is specifically for the customer equipment identification that comprises according to described request message, inquire about the corresponding relation of described customer equipment identification and Application Server information, obtain described subscriber equipment corresponding application server information;
Or,
When the configuration information of described subscriber equipment is the corresponding relation of APN and Application Server information, the concrete APN for the subscriber equipment that comprises according to described request message of described acquiring unit, inquire about the corresponding relation of described APN and Application Server information, obtain described subscriber equipment corresponding application server information;
Or,
When the configuration information of described subscriber equipment is the corresponding relation of customer equipment identification section and Application Server information, customer equipment identification section under the customer equipment identification that described acquiring unit specifically is used for comprising according to described request message, the corresponding relation of inquiring user device identification section and Application Server information obtains described subscriber equipment corresponding application server information;
Or,
When the configuration information of described subscriber equipment during for the corresponding relation of industry user's sign and Application Server information, industry user's sign under the described subscriber equipment that described acquiring unit specifically is used for comprising according to described request message, inquire about the corresponding relation of described industry user's sign and Application Server information, obtain described subscriber equipment corresponding application server information.
17. device as claimed in claim 13 is characterized in that, described device also comprises:
First selected cell is used for selecting application server according to the weight information of application server from described subscriber equipment corresponding application server information.
18. device as claimed in claim 17 is characterized in that, described first registering unit specifically is used for the log-on message of described subscriber equipment is sent to the application server of selection, with described user equipment registration to the application server of described selection.
19. a device of realizing registering is characterized in that, comprising:
Second selected cell is used for when application server overload, fault or when restarting, is the part or all of subscriber equipment selection application server of described application server correspondence;
Second registering unit is used for described user equipment registration to the application server of selecting;
Wherein, described second selected cell comprises:
Determination module is used for when application server overload, fault or when restarting, determines the subscriber equipment of described application server correspondence according to the contextual information of subscriber equipment;
The chooser module, the application characteristic that is used for according to described subscriber equipment is that the some or all of subscriber equipment that gateway device is determined is selected application server; Or, the chooser module, being used for according to described customer equipment identification is that the some or all of subscriber equipment that described gateway device is determined is selected application server; Or the chooser module is used for being designated the some or all of subscriber equipment selection application server that described gateway device is determined according to the industry user under the described subscriber equipment.
20. device as claimed in claim 19 is characterized in that,
Described determination module, concrete being used for determined the subscriber equipment of described application server correspondence according to described contextual information when the described customer equipment context information of gateway device storage includes Application Server information; Or,
Described determination module, concrete being used for according to customer equipment context information, the configuration information of inquiring user equipment obtains the subscriber equipment of described application server correspondence.
21. device as claimed in claim 19 is characterized in that, described chooser module also is used for obtaining described user equipment applications characteristics from the contextual information of described subscriber equipment; Or described chooser module also is used for obtaining the application characteristic corresponding with described customer equipment identification information, industry user's identification information or APN APN information that self disposes.
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