CN102299973A - Method and device for realizing address allocation in flow-distribution network - Google Patents
Method and device for realizing address allocation in flow-distribution network Download PDFInfo
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Abstract
The invention discloses a method and device for realizing address allocation in a flow-distribution network, and the method and device provided by the invention can obtain a terminal capability used for determining an address allocation main body; and a functional entity for allocating an address for a terminal is determined according to the obtained terminal capability. According to the method and device for realizing the address allocation in the flow-distribution network disclosed by the invention, reasonable and effective terminal address allocation is realized by the proper main body in the flow-distribution network, thereby contributing to smoothly carrying out a subsequent communication process by the terminal and improving the user satisfaction index.
Description
Technical field
The present invention relates to the communications field, be specifically related in current-dividing network, realize the method and apparatus of address assignment.
Background technology
Third generation partner program (3rd Generation Partnership Project, 3GPP) the grouping system of evolution (Evolved Packet System, EPS) by universal mobile telecommunications system land radio access web (the Evolved Universal Terrestrial Radio Access Network of evolution, E-UTRAN), mobility management unit (Mobility Management Entity, MME), gateway (Serving Gateway, S-GW), grouped data network gateway (Packet Data Network Gateway, P-GW or PDNGW), home subscriber server (Home Subscriber Server, HSS), authentication and authorization charging (the Authentication of 3GPP, Authorization and Accounting, AAA) server, "Policy and Charging Rules Function (Policy and Charging Rules Function, PCRF) form by entity and other support nodes.
Fig. 1 is the cordless communication network Organization Chart of prior art one, and as shown in Figure 1, Mobility Management Entity is responsible for the related work of chains of command such as the processing of mobile management, Non-Access Stratum signaling and the contextual management of user's mobile management; S-GW is the accessing gateway equipment that links to each other with E-UTRAN, transmits data between E-UTRAN and P-GW, and is responsible for pending datas such as paging are carried out buffer memory; P-GW then is that (Packet Data Network, the PDN) borde gateway of network are responsible for the access of PDN and transmit function such as data between EPS and PDN for EPS and packet data network; S-GW and P-GW belong to the core net gateway.In the UTRAN system, the core net gateway can be GGSN.
Base station from home is a kind of small-sized, lower powered base station, be deployed in indoor places such as family and office, main effect is in order higher service rate to be provided to the user and to reduce and use the needed expense of high rate services, remedying the deficiency that existing distributed cellular radio communication system covers simultaneously.The advantage of base station from home is economical, convenient, low-power output, plug and play etc.In the family expenses base station system, base station from home is the wireless side network element.
Fig. 2 is the cordless communication network Organization Chart of prior art two, and as shown in Figure 2, base station from home can be linked into core network by this logic gateway of home base-station gateway, also can be directly connected to core network (as shown in Figure 1).Wherein, the home base-station gateway major function is: the fail safe of checking base station from home, handle the registration of base station from home, and base station from home is carried out operation maintenance management, according to Carrier Requirements configuration and control base station from home, be responsible for the data of exchcange core net and base station from home.
Except the access of supporting mobile core network, mobile communication system (comprising the base station from home system) also can be supported IP shunting function, possess at the wireless side network element under the condition of IP shunting ability and the signatory IP of the permission shunting of user, can realize that terminal (UE) inserts this locality of other IP devices of home network or internet.
In Fig. 1, Fig. 2 and the system shown in Figure 3, can provide providing powerful support for by setting up local gateway to the IP dividing technology.Local gateway is linked into the gateway of external network (for example Internet) as this locality, address assignment is provided, charge, the grouping packet filtering, policy control, the data distribution function, NAS/S1-AP/ wireless access network applying portion (Radios Access Network Application Part, RANAP)/general tunnel protocol (General Tunneling Protocol, GTP)/proxy mobile IP protocol (Proxy Mobile IP, PMIP)/mobile IP protocol (Mobile IP, MIP) message parse, network address translation (Network AddressTranslation, NAT), functions such as IP distributing strategy route and execution.Local gateway can close with the wireless side network element and establish.
Under the situation that has home base-station gateway, local gateway not only can close with base station from home to be established (as shown in Figure 2) or sets up separately, also can close with home base-station gateway to establish (as shown in Figure 3) or set up separately.
Wherein, local gateway is except being a brand-new functional entity, can also be local service gateway (L-SGW, Local SGW), local PGW (L-PGW, Local PGW), virtual SGW (V-SGW, Virtual SGW), virtual PGW (V-PGW, Virtual PGW), local GGSN (L-GGSN, Local GGSN), data distribution functional entity.
Still can keep in framework, also having introduced expansion tunnel (Extension Tunnel) continuously in order to guarantee that IP shunting is connected in the process that customer location is moved.Fig. 4 to Fig. 7 shows the data flow path of different IP shuntings respectively.When UE initially connects, between wireless side network element and local gateway, use direct tunnel Data transmission, to guarantee the high efficiency of data passes.In case the position of UE has taken place to move, can not use direct tunnel Data transmission between new wireless side network element that inserts and the local gateway, then can continue Data transmission, thereby guarantee professional continuity by the expansion tunnel.In addition, after the user entered Idle state, the downlink data that local gateway is received also needed to transmit by the expansion tunnel, and triggers paging by the core net gateway.
Connect in the process of setting up in the IP shunting,, need distribute the address for UE by core net gateway (P-GW, GGSN) for the UE that supports that single PDN connects; And for the UE that supports that many PDN connect, need be that UE distributes the address by local gateway.Yet, in the prior art, the address of any kind UE is all distributed by the core net gateway, and does not also have relevant technical support to carry out the main body of UE address assignment by correct decision at present, so can not be that UE distributes the address rationally, effectively still in current-dividing network.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method and apparatus of realizing address assignment in current-dividing network, in current-dividing network by appropriate main body realize rationally, UE address assignment effectively.
For achieving the above object, technical scheme of the present invention is achieved in that
Realize the method for address assignment in current-dividing network, this method comprises:
Obtain the UE ability that is used for determining the address distribution body; According to the UE ability of being obtained, be defined as the functional entity that UE distributes the address.
The method of obtaining described UE ability is:
In the attaching process of UE, the PDN connection type that provides UE to support; Perhaps,
The PDN connection type that provides UE to support is provided in the process in the PDN connection; Perhaps,
In pdp context activation, the PDN connection type that provides UE to support.
The described UE of being defined as distributes the process of the functional entity of address to comprise:
Check the PDN connection type that UE supports,, then determine by the core net gateway to be that UE distributes the address if UE does not support many PDN to connect; If UE supports many PDN to connect, then determine by local gateway to be that UE distributes the address.
Describedly determine by local gateway to be that UE distributes the process of address to comprise:
Core net gateway indication local gateway is that UE distributes the address; Perhaps,
The core net gateway sends to local gateway with the PDN connection type that UE supports, local gateway is determined in view of the above by distributing the address as UE certainly.
This method further comprises:
By the described functional entity of having determined, be that UE distributes the address for UE distribution address.
Realize the device of address assignment in current-dividing network, this device comprises that terminal capability provides unit, address assignment decision package; Wherein,
Described terminal capability provides the unit, is used to obtain the UE ability that can determine the address distribution body;
The UE ability that provides the unit to obtain according to described terminal capability is provided described address assignment decision package, is defined as the functional entity that UE distributes the address.
Described terminal capability provides the unit to be used for:
In the attaching process of UE, the packet data network PDN connection type that provides UE to support; Perhaps,
The PDN connection type that provides UE to support is provided in the process in the PDN connection; Perhaps,
In pdp context activation, the PDN connection type that provides UE to support.
Described address assignment decision package is used for:
Check the PDN connection type that UE supports,, then determine by the core net gateway to be that UE distributes the address if UE does not support many PDN to connect; If UE supports many PDN to connect, then determine by local gateway to be that UE distributes the address.
Described address assignment decision package is determining that by local gateway be UE when distributing the address, is used for:
The indication local gateway is that UE distributes the address; Perhaps,
The PDN connection type that UE is supported sends to local gateway, and the notice local gateway is determined in view of the above by distributing the address as UE certainly.
This device further comprises the address assignment performance element, is arranged at the UE that is used to that has determined and distributes in the functional entity of address, and this functional entity is local gateway or core net gateway;
Described address assignment performance element is used to UE to distribute the address.
The present invention realizes the method and apparatus of address assignment in current-dividing network, can be in current-dividing network by appropriate main body realize rationally, UE address assignment effectively, help UE and carry out the subsequent communications process smoothly, improved user satisfaction.
Description of drawings
Fig. 1 is the cordless communication network Organization Chart of prior art one;
Fig. 2 is the cordless communication network Organization Chart of prior art two;
Fig. 3 is the cordless communication network Organization Chart of prior art three;
Fig. 4 divides flow diagram for the wireless communication system IP of prior art one;
Fig. 5 divides flow diagram for the wireless communication system IP of prior art two;
Fig. 6 divides flow diagram for the wireless communication system IP of prior art three;
Fig. 7 divides flow diagram for the wireless communication system IP of prior art four;
Fig. 8 is the flow chart of the realization address assignment of the embodiment of the invention one;
Fig. 9 is the flow chart of the realization address assignment of the embodiment of the invention two;
Figure 10 is the flow chart of the realization address assignment of the embodiment of the invention three;
Figure 11 realizes the general flow chart of address assignment for the present invention;
Figure 12 is the installation drawing of the realization address assignment of one embodiment of the invention.
Embodiment
In general, need notify the core net gateway with the required UE ability of core net gateway, such as:
UE is notified to Mobility Management Entity with the PDN connection type of its support in attaching process, connect in foundation or the pdp context activation in default bearing foundation or PDN by Mobility Management Entity, the PDN connection type that UE is supported is notified to the core net gateway, determines that by the PDN connection type that the core net gateway is supported according to UE by self be that UE distributes the address by local gateway still; Perhaps,
UE is notified to Mobility Management Entity with the PDN connection type of its support in PDN connection foundation or pdp context activation, by Mobility Management Entity the PDN connection type that UE supports is transmitted to the core net gateway again, determines that by the PDN connection type that the core net gateway is supported according to UE by self be that UE distributes the address by local gateway still.Perhaps,
UE is notified to Mobility Management Entity with the PDN connection type of its support in attaching process, and UE is notified to Mobility Management Entity with the PDN connection type of its support in PDN connection foundation or pdp context activation, by Mobility Management Entity the PDN connection type that UE supports is transmitted to the core net gateway again, determines that by the PDN connection type that the core net gateway is supported according to UE by self be that UE distributes the address by local gateway still.
In actual applications, if LTE inserts, then the base station refers to ordinary base station or base station from home, and Mobility Management Entity refers to MME, and the core net gateway is SGW and PGW.Furthermore, if use base station from home in the framework and have home base-station gateway, then message transmitted also needs to pass through home base-station gateway between base station and the Mobility Management Entity, but home base-station gateway can not revised parameter related to the present invention, therefore this framework is not carried out specified otherwise here, but the present invention is applicable to the scene that has home base-station gateway.If UTRAN/GERAN inserts, then the base station refers to RNC or HNB GW, and Mobility Management Entity refers to SGSN, and the core net gateway refers to GGSN.
Referring to Fig. 8, Fig. 8 has described the address distribution method in the EPS system attachment flow, is applicable to EPS connecting system attachment flow.
Flow process shown in Figure 8 may further comprise the steps:
Step 801:UE needs to set up RRC (Radio Resource Control, Radio Resource control) and connects before communicating, connect carrying as signaling message or business datum with this.UE sends initialization NAS (Non-Access-Stratum, Non-Access Stratum) message attachment request and carries out attach operation.In Attach Request message, carry the PDN connection type parameter that UE supports.
The implementation of the PDN connection type parameter that UE supports has multiple, can be to distinguish UE by the different values of same parameter to support many PDN to connect or the single PDN connection of support, this parameter is 1 when supporting that as UE many PDN connect, and this parameter is 2 when supporting that single PDN connects; Perhaps, this parameter is an indication, has only when UE supports many PDN and just carries this parameter when connecting; Perhaps, this parameter is an indication, has only when UE supports single PDN and just carries this parameter when connecting; Perhaps this parameter is two indications, does not carry one of them indication when connecting when UE does not support many PDN, then carries another indication when connecting when UE supports many PDN.
Step 802: the wireless side network element is issued Mobility Management Entity with initial user message, and transmits Attach Request message to Mobility Management Entity.In Attach Request message, carry the PDN connection type parameter that UE supports.Mobility Management Entity can be preserved the PDN connection type parameter that UE supports.
Step 803: Mobility Management Entity is opened authentication and safe procedures, and the user is verified.
Step 804: Mobility Management Entity is according to APN (Access Point Name, APN) or local access identities (these signs can be carried in the message of step 802) determine to set up after the IP shunting connects, send session to the core net gateway and set up request, the PDN connection type that the UE that needs simultaneously UE is carried in adhering to request supports is included in session and sets up in the request.
For the EPS system, the core net gateway comprises S-GW and P-GW, and the interacting message path between Mobility Management Entity and the core net gateway is: Mobility Management Entity-S-GW-P-GW, wherein, S-GW is responsible for forwarding information between Mobility Management Entity and P-GW.
Step 805: after the core net gateway receives that request message is set up in session, obtain the PDN connection type parameter of the UE support that wherein comprises, and judge the PDN connection type that UE supported according to this parameter.The core net gateway can be preserved this parameter.
The PDN connection type parameter of supporting as UE is a parameter, and distinguishing UE with different values is that the core net gateway can be judged the PDN connection type that UE supports according to the concrete value of this parameter when supporting that many PDN connections or the single PDN of support connect;
When this parameter is an indication, and have only when UE supports that many PDN just carry this parameter when connecting, the core net gateway can be judged the PDN connection type that UE supports according to whether carrying this parameter in the message;
When this parameter is an indication, and have only when UE supports that single PDN just carries this parameter when connecting, the core net gateway can be judged the PDN connection type that UE supports according to whether carrying this parameter in the message;
When this parameter is two indications, and, UE do not carry an indication when connecting when not supporting many PDN, and when supporting that many PDN carry another indication when connecting, the core net gateway can be judged the PDN connection type that UE supports according to the concrete indication of carrying in the message.
Core net gateway in this step is P-GW.For the EPS system, P-GW judges the PDN connection type that UE supported for the PDN connection type parameter of supporting according to UE, and judges the main body of carrying out the UE address assignment according to the PDN connection type that UE supported.
If UE supports single PDN to connect, then execution in step 806a is to step 809a, and execution in step 810 is to step 816 afterwards; If UE supports many PDN to connect, then execution in step 806b is to step 809b, and execution in step 810 is to step 816 afterwards.
Step 806a: only support single PDN connection and do not support many PDN to connect if the core net gateway is judged UE, then need be by certainly as UE distributing IP address.
Step 807a: the core net gateway sends the tunnel configuration request to local gateway, with the foundation in request expansion tunnel.Carry promising UE addresses distributed in the tunnel configuration request, optionally, can also further carry the PDN connection type that UE supports in the tunnel configuration request.
Core net gateway in this step is P-GW, and for the EPS system, the expansion tunnel is based upon between P-GW and the local gateway, by the visioning procedure of carrying out the expansion tunnel between P-GW and the local gateway.
Step 808a: it is the UE addresses distributed that local gateway obtains the core net gateway, learns that in view of the above UE supports single PDN to connect, and not needing local gateway is that UE distributes the address.Optionally, local gateway can judge whether that also needs are that UE distributes the address according to the PDN connection type that the UE that carries in the tunnel configuration request supports.Local gateway can be preserved the PDN connection type that UE entrained in the tunnel configuration request supports.
Step 809a: local gateway is created user's context, preserves the UE address, and NAT is carried out in the address handle, so that carry out the IP triage operator for the user.Local gateway is responded the tunnel configuration response to the core net gateway.Enter step 810.
Step 806b: if judging UE, the core net gateway support many PDN to connect, then need be by not distributing the address as UE certainly, needing to indicate local gateway simultaneously is that UE distributes the address.
Step 807b: the core net gateway sends the tunnel configuration request to local gateway, the foundation in request expansion tunnel.Optionally, can also further carry UE in the tunnel configuration request and support the PDN connection type.
In this step, the core net gateway is not by carrying the address of UE in the tunnel configuration request message, and UE supports many PDN to connect with the indication local gateway, and needing local gateway is that UE distributes the address.Perhaps optional, indicate local gateway by the PDN connection type parameter that UE supports.
Step 808b: local gateway is found the core net gateway not for UE distributes the address, learns that in view of the above UE supports many PDN to connect, and needing local gateway is that UE distributes the address.Optionally, local gateway can judge whether that also needs are that UE distributes the address according to the PDN connection type that the UE that carries in the tunnel configuration request supports.Local gateway can be preserved the PDN connection type that UE supports.Local gateway is that UE distributes the address.
Step 809b: local gateway is created user's context, saves as UE institute addresses distributed.Local gateway is responded the tunnel configuration response to the core net gateway, carries the addresses distributed into UE therein.
Step 810: the core net gateway sends session to Mobility Management Entity and sets up response.
Step 811: Mobility Management Entity is initiated initial context to the wireless side network element and is set up request.
Step 812: carry out RRC and connect layoutprocedure.
Step 813: the wireless side network element is replied context to Mobility Management Entity and is set up response.
Step 814:UE sends direct-sending message to the wireless side network element, comprises and adheres to the information of finishing.
Step 815: the wireless side network element sends to adhere to Mobility Management Entity finishes message.
Step 816: Mobility Management Entity is to core net gateway requests new bearer more, and the core net gateway carries out bearer update with Mobility Management Entity in view of the above.
Referring to Fig. 9, Fig. 9 has described the address distribution method in the PDN connection building process of EPS system, is applicable to the PDN connection building process that UE initiates in the EPS system.Flow process shown in Figure 9 may further comprise the steps:
Step 901:UE has been attached to network, has the core network PDN and connects.UE sends PDN by the wireless side network element to Mobility Management Entity and connects the request of foundation, and request is set up PDN and connected.Set up in the request message in the PDN connection, carry the PDN connection type parameter that UE supports.Mobility Management Entity can be preserved the PDN connection type parameter that UE supports.
Wherein, the implementation of the PDN connection type parameter of UE support is consistent with the description among Fig. 8.
Step 902: Mobility Management Entity is determined to set up after the IP shunting connects according to APN or local access identities (these signs can be carried in step 901), send session to the core net gateway and set up request, the PDN connection type that the UE that needs simultaneously UE is carried in adhering to request supports is included in session and sets up in the request.
Step 903: after the core net gateway receives that request message is set up in session, obtain the PDN connection type parameter of the UE support that wherein comprises, and judge the PDN connection type that UE supported according to this parameter.
The concrete operations content of this step is identical with step 805.
If UE supports single PDN to connect, then execution in step 904a is to step 907a, and execution in step 908 is to step 914 afterwards; If UE supports many PDN to connect, then execution in step 904b is to step 907b, and execution in step 908 is to step 914 afterwards.
Step 904a is to step 907a: the core net gateway is the related procedure that UE distributes the address, and concrete content of operation is identical to step 809a with step 806a.Enter step 908.
Step 904b is to step 907b: local gateway is the related procedure that UE distributes the address, and concrete content of operation is identical to step 809b with step 806b.
Step 908: the core net gateway sends session to Mobility Management Entity and sets up response.
Step 909: Mobility Management Entity is initiated carrying to the wireless side network element and is set up request.
Step 910: carry out RRC and connect layoutprocedure.
Step 911: the wireless side network element is replied carrying to Mobility Management Entity and is set up response.
Step 912:UE sends direct-sending message to the wireless side network element, comprises PDN and connects the information of finishing of setting up.
Step 913: the wireless side network element sends the PDN connection setup complete message to Mobility Management Entity.
Step 914: Mobility Management Entity is to core net gateway requests new bearer more, and the core net gateway carries out bearer update with Mobility Management Entity in view of the above.
In the present embodiment, when UE initiates the PDN connection building process, set up the PDN connection type that has carried the UE support in the request message in the PDN connection.Carrying of this parameter is optional, be that PDN that UE initiates connects in the request of foundation and can not carry this parameter, need be notified to the core net gateway this moment by the parameter (being the PDN connection type of UE support) that Mobility Management Entity will obtain and preserve in attachment flow in step 902.
Referring to Figure 10, Figure 10 has described the address distribution method in the PDP context activation flow process of UTRAN/GERAN system, is applicable to the PDP context activation flow process of UTRAN/GERAN system.Flow process shown in Figure 10 may further comprise the steps:
Step 1001:UE successfully is attached to network by carrying out attachment flow.
Step 1002:UE sends the PDP context activation request message to Mobility Management Entity by the wireless side network element, carries the PDN connection type parameter that UE supports simultaneously.Mobility Management Entity can be preserved the PDN connection type parameter that UE supports.
Wherein, the implementation of the PDN connection type parameter of UE support is consistent with the description among Fig. 8.
Step 1003: Mobility Management Entity is determined to set up after the IP shunting connects according to APN or local access identities (these signs can be carried in step 1002 message), send PDP Context to the core net gateway and set up request, need in this request, carry the PDN connection type parameter that UE supports simultaneously.
For the UTRAN/GERAN system, the core net gateway is GGSN.
Step 1004: after the core net gateway is received this message, obtain UE and support PDN connection type parameter, and the PDN connection type of being supported according to the judgement UE of this parameter.The core net gateway can be preserved this parameter.
The PDN connection type parameter of supporting as UE is same parameter, and distinguishing UE with different values is that the core net gateway can be judged the PDN connection type that UE supports according to the concrete value of this parameter when supporting that many PDN connections or the single PDN of support connect;
When this parameter is an indication, and have only when UE supports that many PDN just carry this parameter when connecting, the core net gateway can be judged the PDN connection type that UE supports according to whether carrying this parameter in the message;
When this parameter is an indication, and have only when UE supports that single PDN just carries this parameter when connecting, the core net gateway can be judged the PDN connection type that UE supports according to whether carrying this parameter in the message;
When this parameter is two indications, and, UE do not carry an indication when connecting when not supporting many PDN, and when supporting that many PDN carry another indication when connecting, the core net gateway can be judged the PDN connection type that UE supports according to the concrete indication of carrying in the message.
If UE supports single PDN to connect, then execution in step 1005a is to step 1008a, and execution in step 1009 is to step 1012 afterwards; If UE supports single PDN to connect, then execution in step 1005b is to step 1008b, and execution in step 1009 is to step 1012 afterwards.
Step 1005a: only support single PDN connection and do not support many PDN to connect if the core net gateway is judged UE, then need be by certainly as UE distributing IP address.
Step 1006a: the core net gateway sends the tunnel configuration request to local gateway, and the foundation in request expansion tunnel also need be carried to UE addresses distributed in the tunnel configuration request.Optionally, can also further carry the PDN connection type that UE supports in the tunnel configuration request.
Step 1007a: it is the UE addresses distributed that local gateway obtains the core net gateway, learns that in view of the above UE supports single PDN to connect, and not needing local gateway is that UE distributes the address.Optionally, local gateway can judge whether that also needs are that UE distributes the address according to the PDN connection type that the UE that carries in the tunnel configuration request supports.Local gateway can be preserved the PDN connection type that UE supports.
Step 1008a: local gateway is created user's context, saves as the UE addresses distributed, and NAT is carried out in the address handle, so that carry out the IP triage operator for the user.Local gateway is responded the tunnel configuration response to the core net gateway.Enter step 1009.
Step 1005b: if judging UE, the core net gateway support many PDN to connect, then need be by not distributing the address as UE certainly, needing to indicate local gateway simultaneously is that UE distributes the address.
Step 1006b: the core net gateway sends the tunnel configuration request to local gateway, the foundation in request expansion tunnel.Optionally, can also further carry UE in the tunnel configuration request and support the PDN connection type.
In this step, the core net gateway indicates local gateway UE to support many PDN to connect by do not carry the address of UE in the tunnel configuration request message, and needing local gateway is that UE distributes the address.Perhaps optional, indicate local gateway by the PDN connection type parameter that UE supports.
Step 1007b: local gateway is known the core net gateway not for UE distributes the address, learns that in view of the above UE supports many PDN to connect, and needing local gateway is that UE distributes the address.Optionally, local gateway can judge whether that also needs are that UE distributes the address according to the PDN connection type that the UE that carries in the tunnel configuration request supports.Local gateway can be preserved the PDN connection type that UE supports.Local gateway is that UE distributes the address.
Step 1008b: local gateway is created user's context, saves as the UE addresses distributed.Local gateway is responded the tunnel configuration response to the core net gateway, wherein carries the addresses distributed into UE.
Step 1009: the core net gateway is responded PDP Context to Mobility Management Entity and is set up response.
Step 1010: carry out RAB and set up flow process.
Step 1011: Mobility Management Entity may send the PDP Context update request to the core net gateway, the amended qos parameter of notice core net gateway; The core net gateway then can be responded PDP Context to Mobility Management Entity and upgrade response, upgrades to finish PDP Context.
Step 1012: Mobility Management Entity returns the PDP context activation response message and gives UE.
In the present embodiment, the PDN connection type that UE supports brings the core net gateway when PDP Context is set up; Based on this, in attachment flow, UE can not carry this parameter.For the UTRAN/GERAN system, UE can be notified to Mobility Management Entity with the PDN connection type of self supporting in attachment flow, preserve this parameter by Mobility Management Entity; Afterwards, initiate pdp context activation, and UE can be notified to the core net gateway by the described parameter that Mobility Management Entity will be preserved when no longer carrying described parameter at UE.
In conjunction with above each flow process, the present invention can be realized that the technical thought of address assignment represents as shown in figure 11.Referring to Figure 11, Figure 11 realizes the general flow chart of address assignment for the present invention, and this flow process may further comprise the steps:
Step 1110: obtain the UE ability that is used for determining the address distribution body.
Step 1120:, be defined as the functional entity that UE distributes the address according to the UE ability of being obtained.
In order to guarantee that above-mentioned each flow process can carry out smoothly, can carry out setting as shown in figure 12.Referring to Figure 12, Figure 12 is the installation drawing of the realization address assignment of one embodiment of the invention, and this device comprises that continuous terminal capability provides unit, address assignment decision package, address assignment performance element.
When concrete the application, terminal capability provides the unit can be arranged in the functional entitys such as UE, Mobility Management Entity, the UE abilities such as PDN connection type that can have the functional entity that needs to provide UE to support to address assignment decision package etc.The address assignment decision package can be arranged in the functional entitys such as core net gateway, the terminal capabilities such as PDN connection type that the UE that can the receiving terminal ability provides the unit to provide supports, and be defined as the functional entity that UE distributes the address in view of the above, and as: core net gateway, local gateway etc.
Can distribute for UE in the functional entity of address at core net gateway, local gateway etc., all the address assignment performance element can be set.After Decision of Allocation unit, address has been determined to distribute the functional entity of address for UE, can notify the address assignment performance element in this functional entity is that UE distributes the address, corresponding address assignment performance element can be that UE distributes the address according to the notice of receiving then, further addresses distributed can also be notified to UE.
Need to prove that terminal capability provides in unit, address assignment decision package, the address assignment performance element between any two, can be connected with intermediate entities such as Mobility Management Entity.Have, terminal capability provides the unit to provide UE ability in processes such as attaching process, initiation PDN connection building process, PDP context activation again; And, a kind of in also can be multiple as described above of the manifestation mode of UE ability.
The content of operation that above-mentioned each unit can be realized is described in detail in aforementioned each flow process, does not repeat them here.
In sum as seen, no matter be method or device, the present invention realizes the technology of address assignment in current-dividing network, can be in current-dividing network by appropriate main body realize rationally, UE address assignment effectively, help UE and carry out the subsequent communications process smoothly, improved user satisfaction.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. in current-dividing network, realize the method for address assignment, it is characterized in that this method comprises:
Obtain the terminal UE ability that is used for determining the address distribution body; According to the UE ability of being obtained, be defined as the functional entity that UE distributes the address.
2. method according to claim 1 is characterized in that, the method for obtaining described UE ability is:
In the attaching process of UE, the packet data network PDN connection type that provides UE to support; Perhaps,
The PDN connection type that provides UE to support is provided in the process in the PDN connection; Perhaps,
In pdp context activation, the PDN connection type that provides UE to support.
3. method according to claim 2 is characterized in that, the described UE of being defined as distributes the process of the functional entity of address to comprise:
Check the PDN connection type that UE supports,, then determine by the core net gateway to be that UE distributes the address if UE does not support many PDN to connect; If UE supports many PDN to connect, then determine by local gateway to be that UE distributes the address.
4. method according to claim 3 is characterized in that, describedly determines by local gateway to be that UE distributes the process of address to comprise:
Core net gateway indication local gateway is that UE distributes the address; Perhaps,
The core net gateway sends to local gateway with the PDN connection type that UE supports, local gateway is determined in view of the above by distributing the address as UE certainly.
5. according to each described method of claim 1 to 4, it is characterized in that this method further comprises:
By the described functional entity of having determined, be that UE distributes the address for UE distribution address.
6. in current-dividing network, realize the device of address assignment, it is characterized in that this device comprises that terminal capability provides unit, address assignment decision package; Wherein,
Described terminal capability provides the unit, is used to obtain the UE ability that can determine the address distribution body;
The UE ability that provides the unit to obtain according to described terminal capability is provided described address assignment decision package, is defined as the functional entity that UE distributes the address.
7. device according to claim 6 is characterized in that, described terminal capability provides the unit to be used for:
In the attaching process of UE, the packet data network PDN connection type that provides UE to support; Perhaps,
The PDN connection type that provides UE to support is provided in the process in the PDN connection; Perhaps,
In pdp context activation, the PDN connection type that provides UE to support.
8. device according to claim 7 is characterized in that, described address assignment decision package is used for:
Check the PDN connection type that UE supports,, then determine by the core net gateway to be that UE distributes the address if UE does not support many PDN to connect; If UE supports many PDN to connect, then determine by local gateway to be that UE distributes the address.
9. device according to claim 8 is characterized in that, described address assignment decision package is determining that by local gateway be UE when distributing the address, is used for:
The indication local gateway is that UE distributes the address; Perhaps,
The PDN connection type that UE is supported sends to local gateway, and the notice local gateway is determined in view of the above by distributing the address as UE certainly.
10. according to each described device of claim 6 to 9, it is characterized in that this device further comprises the address assignment performance element, be arranged at the UE that is used to that has determined and distribute in the functional entity of address that this functional entity is local gateway or core net gateway;
Described address assignment performance element is used to UE to distribute the address.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102174391A CN102299973A (en) | 2010-06-23 | 2010-06-23 | Method and device for realizing address allocation in flow-distribution network |
| PCT/CN2011/074126 WO2011160509A1 (en) | 2010-06-23 | 2011-05-16 | Method and device for allocating address in traffic offload network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010102174391A CN102299973A (en) | 2010-06-23 | 2010-06-23 | Method and device for realizing address allocation in flow-distribution network |
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| CN102299973A true CN102299973A (en) | 2011-12-28 |
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| CN2010102174391A Pending CN102299973A (en) | 2010-06-23 | 2010-06-23 | Method and device for realizing address allocation in flow-distribution network |
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| WO (1) | WO2011160509A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108476549A (en) * | 2016-01-19 | 2018-08-31 | 华为技术有限公司 | A kind of IP address distribution method and equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101019383A (en) * | 2004-07-30 | 2007-08-15 | 奥林奇股份有限公司 | Tunneling internet protocol packets between a gateway support node and a mobile terminal |
-
2010
- 2010-06-23 CN CN2010102174391A patent/CN102299973A/en active Pending
-
2011
- 2011-05-16 WO PCT/CN2011/074126 patent/WO2011160509A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101019383A (en) * | 2004-07-30 | 2007-08-15 | 奥林奇股份有限公司 | Tunneling internet protocol packets between a gateway support node and a mobile terminal |
Non-Patent Citations (4)
| Title |
|---|
| ALCATEL-LUCENT, HUAWEI: "Restructuration of TR 23.829", 《3GPP TSG SA WG2 MEETING #78 TD S2-101719, SAN FRANCISCO, USA》, 26 February 2010 (2010-02-26), pages 1 - 19 * |
| ALCATEL-LUCENT, HUAWEI: "Restructuration of TR 23.829", 《3GPP TSG SA WG2 MEETING #78，TD S2-101449，SAN FRANCISCO, USA》, 26 February 2010 (2010-02-26), pages 1 - 20 * |
| ALCATEL-LUCENT: "P-CR on Internet Access with breakout in the residential/enterprise IP network", 《3GPP TSG SA WG2 MEETING #79 TD S2-102410，KYOTO, JAPAN》, 14 May 2010 (2010-05-14), pages 1 - 19 * |
| PANASONIC: "Sol. 6 Update: Downlink radio bearer mapping, Standalone L-GW", 《3GPP TSG SA WG2 MEETING #77，TD S2-100252，SHENZHEN, CHINA》, 22 January 2010 (2010-01-22), pages 1 - 6 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108476549A (en) * | 2016-01-19 | 2018-08-31 | 华为技术有限公司 | A kind of IP address distribution method and equipment |
| EP3402305A4 (en) * | 2016-01-19 | 2018-11-14 | Huawei Technologies Co., Ltd. | Method and device for allocating ip address |
| US10873563B2 (en) | 2016-01-19 | 2020-12-22 | Huawei Technologies Co., Ltd. | IP address allocation method, and device |
| US11212252B2 (en) | 2016-01-19 | 2021-12-28 | Huawei Technologies Co., Ltd. | IP address allocation method, and device |
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| WO2011160509A1 (en) | 2011-12-29 |
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