CN101330751A - Method for releasing source network resource, gateway entity and network appliance - Google Patents

Method for releasing source network resource, gateway entity and network appliance Download PDF

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Publication number
CN101330751A
CN101330751A CNA2007101473430A CN200710147343A CN101330751A CN 101330751 A CN101330751 A CN 101330751A CN A2007101473430 A CNA2007101473430 A CN A2007101473430A CN 200710147343 A CN200710147343 A CN 200710147343A CN 101330751 A CN101330751 A CN 101330751A
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gateway
resource
network
source network
entity
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CN101330751B (en
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帅扬来
靳维生
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN200710147343.0A priority Critical patent/CN101330751B/en
Priority to CN201510757833.7A priority patent/CN105307222B/en
Priority to PCT/CN2008/071321 priority patent/WO2008154856A1/en
Publication of CN101330751A publication Critical patent/CN101330751A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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

Abstract

The invention discloses a method for releasing source network resources, a gateway entity and a network device. The method comprises the following steps: judging whether the switching from a source network to an objective network is already completed; transmitting resource releasing messages to the source network by the gateway entity of the objective network when the judgment of the switching is completed; receiving response messages released and completed by the resources returned from the source network. The method can serve the function of releasing the source carrying resources, thereby achieving the technical effect of enhancing the service efficiency of the source network resources.

Description

The method of releasing source network resource, gateway entity and the network equipment
Technical field
The present invention relates to the communications field, particularly relate to method, gateway entity and the network equipment of releasing source network resource.
Background technology
(Evolved Packet Core EPC) is wireless core network of future generation to evolution block core net network in the wireless evolution network.Consult Fig. 1, the evolution block core net network mainly comprises Mobility Management Entity (Mobility Management Entity, MME), three logic function modules of data gateway (PDN Gateway, PDN GW) between 3GPP connecting system and the non-3GPP connecting system in gateway (Serving Gateway) between the interior different access systems of 3GPP (3rd Generation PartnershipProject) and the EPS system.Described 3GPP is terminal is established to the IP connectivity of data gateway by gateway under Mobility Management Entity control a kind of cordless communication network; Under the control of border IAD, be established to the IP connectivity of data gateway but not 3GPP is a terminal, and border IAD and data gateway are by the direct-connected a kind of cordless communication network in tunnel.
In the evolution block core net network, Mobility Management Entity is responsible for the mobile management of chain of command, comprise the management of user's context and mobile status, distributing user temporary identity sign, safety function etc., it is corresponding to current universal mobile telecommunications system (Universal Mobile Telecommunications System, UMTS) the control plane part of internal system GPRS serving GPRS support node (SGSN); Gateway is the user's face anchor point between the inner connecting system of 3GPP directly in the face of the access of 3GPP connecting system.Consult Fig. 2, under roaming scence, gateway can be used as local user's face anchor point between non-3GPP connecting system and 3GPP connecting system, and a user can only have a gateway in a period of time, and promptly gateway may change; Data gateway is the user's face anchor point between middle 3GPP connecting system of evolution grouping system (EPS) and non-3 GPP system, and (user can have a plurality of data gateways simultaneously for Packet DataNetwork, PDN) visit for the user provides Packet Data Network.Gateway and data gateway are formed evolution grouping system gateway (Evolved Packet System GW, EPS GW) among the figure.
In existing protocol, be provided at and carry out the certain methods that network switches in the evolution block core net network, above-mentioned switching can be between reliable non-3 GPP and 3GPP, and between insincere non-3GPP and the 3GPP.Consult Fig. 3, be under the non-roaming scence S2a and S5 based on the switching flow of proxy-mobile IP (PMIPv6):
Step 301: terminal is finished carrying at 3GPP and is set up, and carries out the visit of business datum by the carrying of setting up, and the up-downgoing data transmit by being carried between terminal and the data gateway.
Step 302: terminal is found reliable non-3 GPP IP connecting system, and (HO) switched in initialization;
Step 303: reliable non-3 GPP IP connecting system carries out layer 2 configuration process;
Step 304: carry out extended authentication agreement (Extensible Authentication Protocol, EAP) authentication;
Step 305: trigger layer 3 adheres to process;
Step 306: send agent binding update information to data gateway, in described information, carry MN-NAI, parameters such as IP address;
Step 307: return the binding information that carries the IP address;
Step 308: terminal switches to non-3GPP from 3GPP, finishes carrying and sets up;
Step 309: layer 3 adheres to be finished.
In carrying out the invention process, the inventor finds that there is following problem at least in the above-mentioned method of carrying out the network switching in the evolution block core net network that has now: do not have timely source of release bearing resource after switching is finished, cause the wasting of resources.
Reason is: network switches the switching comprise between the homogeneity network and the switching between the heterogeneous network.Switching between the homogeneity network as the switching between the 3GPP, has connection between the chain of command entity Mobility Management Entity of two networks or the GPRS serving GPRS support node.After terminal switched to objective network, objective network Mobility Management Entity or GPRS serving GPRS support node can carry out the release of resource by the Mobility Management Entity or the GPRS serving GPRS support node of source network; But the switching of heterogeneous network is as the switching between 3GPP among above-mentioned Fig. 3 and the non-3GPP, more complicated more than homogeneity network.For the switching between heterogeneous network, between the chain of command entity of two networks, do not have direct interface, terminal from the source network successful switch behind objective network, the carrying of source network is in idle state always, do not discharge timely, cause the waste of resource, reduce the service efficiency of resource.
Summary of the invention
The technical problem that embodiment of the present invention will solve provides a kind of method, gateway entity and network equipment of releasing source network resource, and releasing source network resource improves the Internet resources service efficiency timely and effectively.
A kind of method of releasing source network resource is provided, comprises: judge whether the switching from the source network to the objective network is finished; When judging that switching is finished, the objective network gateway entity sends resource release message to source network.
A kind of method of releasing source network resource is provided, comprises: after switching to objective network, the resource release message that source network receiving target network gateway entity is initiated; Source network discharges described resource after receiving described resource release message.
A kind of gateway entity is provided, comprises judging unit, first transmitting element and first receiving element, described judging unit is used to judge whether the switching from the source network to the objective network is finished; Described first transmitting element is used for when the described switching of described judgment unit judges has been finished, and the resource release message that sends releasing source network resource is to source network.
A kind of network equipment is provided, comprises second receiving element and resource releasing unit, described second receiving element is used for the resource release message that the reception sources network is initiated; Described resource releasing unit is used for discharging the described resource of objective network after described second receiving element is received described message.
A kind of network equipment is provided, comprises the 3rd receiving element and second transmitting element, described the 3rd receiving element is used for the resource release message that the receiving target network is initiated; Described second transmitting element is used for after described the 3rd receiving element is received described message, triggers source network and discharges described resource.
Above technical scheme as can be seen, because at prior art timely technological deficiency of source of release bearing resource after switching between network, specific aim is provided at resource release message mutual between objective network and the source network and resource discharges the mechanism of finishing of receiveing the response, be in due course and suitable position, after promptly switching to objective network, be initiated to the resource release operations of source network by the objective network gateway entity after switching, switch the back function of source of release bearing resource in time between the specific implementation network, reach the technique effect that improves the source network resource utilization.
Description of drawings
Fig. 1 is the structural representation of evolvement network under the non-roaming scene of prior art;
Fig. 2 is the structural representation of evolvement network under the prior art roaming scence;
Fig. 3 is that prior art is based on the 3GPP of PMIPv6 and the switching flow figure between the reliable non-3 GPP;
Fig. 4 is the flow chart of method first execution mode of releasing source network resource of the present invention;
Fig. 5 is the flow chart of method second execution mode of releasing source network resource of the present invention;
Fig. 6 is the flow chart of method the 3rd execution mode of releasing source network resource of the present invention;
Fig. 7 is the flow chart of method the 4th execution mode of releasing source network resource of the present invention;
Fig. 8 is the flow chart of method the 5th execution mode of releasing source network resource of the present invention;
Fig. 9 is the flow chart of method the 6th execution mode of releasing source network resource of the present invention;
Figure 10 is the flow chart of method the 7th execution mode of releasing source network resource of the present invention;
Figure 11 is the flow chart of method the 8th execution mode of releasing source network resource of the present invention;
Figure 12 is the flow chart of method the 9th execution mode of releasing source network resource of the present invention;
Figure 13 is the theory diagram of gateway entity first execution mode of the present invention;
Figure 14 is the theory diagram of the network equipment first execution mode of the present invention;
Figure 15 is the theory diagram of the network equipment second execution mode of the present invention.
Embodiment
Embodiment of the present invention is to provide the several different methods at releasing source network resource after finishing in switching between network, to improve the service efficiency of source network resource.The objective network of described switching can be 3GPP, mainly comprises data gateway, Mobility Management Entity, gateway etc.
The invention provides the method basic embodiment of releasing source network resource, comprise the steps:
Steps A: judge whether the switching from the source network to the objective network is finished;
Step B: when judging that switching is finished, the objective network gateway entity sends resource release message to source network.
Above execution mode as can be seen, because at prior art timely technological deficiency of releasing source network resource after switching between network, specific aim is provided at resource release message mutual between objective network and the source network and resource discharges the mechanism of receiveing the response, be in due course and suitable position, promptly finish switch to objective network after, be initiated to the resource release operations of source network by the objective network gateway entity after switching, the specific implementation network switches the back function of releasing source network resource in time, reaches the technique effect that improves the source network resource utilization.
In step B, after terminal switches to objective network, can be initiated to the resource release flow of source network gateway entity by the data gateway of objective network, the mode of initiation comprises:
1) data gateway directly sends the gateway entity of resource release message to source network, as send message to: gateway or evolution packet data gateway (Evolved Packet Data Gateway, ePDG) or untrusted 3GPP gateway entity etc.;
2) data gateway sends the gateway entity of resource release message to source network by aaa server/home subscriber server.
Described objective network gateway entity can also be gateway or Mobility Management Entity etc.
Switching between network can be that non-3GPP switches to target 3GPP from the source, also can switch to the non-3GPP of target by source 3GPP.Described non-3GPP comprises: believable non-3GPP and incredible non-3GPP.
Described source network gateway entity can be: Mobility Management Entity, gateway or non-3GPP gateway entity.Described non-3GPP gateway entity can comprise insincere non-3GPP gateway entity, as the evolution packet data gateway, or the reliable non-3 GPP IAD etc.If 3GPP is UTRAN, then the GPRS serving GPRS support node can be realized the function of Mobility Management Entity.
The resource that described source network discharges can be a bearing resource, described bearing resource can comprise wireless or non-radio bearer resources, also can comprise wireless and non-radio bearer resources, can also comprise wireless and/or S1 (between base station and the gateway) bearing resource etc.
Described resource release message can be any message of resource release request (Resource Release Request), position renewal (Update Location), canceling position (Cancel Location) or redetermination etc., is used for directly or indirectly informing that source network carries out resource release operations; It can be that resource discharges and responds (Resource Release Respone), canceling position and respond (Cancel Location Ack), position and upgrade any message of responding (Update Location Ack) or redetermination etc. that described resource discharges receiveing the response of finishing.
Hereinafter,, position renewal and canceling position breath are called resource release notification message, or are called first resource release notice, second resource release notification message for ease of describing; In addition, sending resource release message can be to initiate the triggering message of resource release flow to the resource release message in the source network, also can be the related news that requirement discharges resource, finishes notice such as the switching that requires to discharge resource.
For make purpose of the present invention, technical scheme, and advantage clearer, below with reference to the accompanying drawing execution mode that develops simultaneously, the present invention is described in more detail.
In the handoff procedure of the present invention the method execution mode of releasing source network resource be include but not limited to following several:
1) after terminal is finished switching from source 3GPP to the non-3GPP of target, the data gateway of the non-3GPP of target directly and the gateway of source 3GPP mutual, the bearing resource of source of release 3GPP;
2) after terminal is finished switching from source 3GPP to the non-3GPP of target, the data gateway of the non-3GPP of target is by the aaa server of the non-3GPP of target, the home subscriber server of source 3GPP, mutual with Mobility Management Entity or the GPRS serving GPRS support node of source 3GPP, the bearing resource of source of release 3GPP;
3) finish from the source non-3GPP after the switching of target 3GPP in terminal, the data gateway of target 3GPP directly and the non-3GPP gateway entity in source mutual, the bearing resource of the non-3GPP of source of release;
4) finish in terminal that non-3GPP is after the switching of target 3GPP from the source, the data gateway of target 3GPP is mutual by the non-3GPP gateway entity of aaa server and source, the bearing resource of the non-3GPP of source of release;
5) after terminal is finished from the source non-3GPP and is switched to target 3GPP, the Mobility Management Entity of target 3GPP or GPRS serving GPRS support node send a message to the non-3GPP gateway entity in source by home subscriber server and aaa server, require to discharge the bearing resource among the non-3GPP;
6) under the interface roaming scence between gateway and the data gateway, when gateway is not changed in handoff procedure, terminal is finished from the non-3GPP in source after the switching of target 3GPP, and the gateway of target 3GPP is direct and the non-3GPP gateway entity in source is mutual, the bearing resource of the non-3GPP of source of release;
7) under the interface roaming scence between gateway and the data gateway, when gateway is not changed in handoff procedure, terminal is finished from the non-3GPP in source after the switching of target 3GPP, the gateway of target 3GPP is mutual with the non-3GPP gateway entity in source by the AAA agency, the bearing resource of the non-3GPP of source of release;
8) under the interface roaming scence between gateway and the data gateway, when gateway takes place to change in handoff procedure, terminal is finished from the non-3GPP in source after the switching of target 3GPP, the data gateway of target 3GPP is by mutual with the non-3GPP gateway entity of gateway and source of the non-3GPP in source, the bearing resource of the non-3GPP of source of release;
9) after terminal is finished switching from source 3GPP to the non-3GPP of target, the data gateway of the non-3GPP of target sends the switching that requires to discharge resource and finishes the gateway of notifying source 3GPP, described gateway is transmitted switching that described requirement discharges resource and is finished notice or rebuild new carrying and discharge and notify Mobility Management Entity or GRPS serving GPRS support node, initiates the resource release flow of source network by described Mobility Management Entity or GPRS serving GPRS support node.
Below respectively the respective embodiments described above are done to describe more specifically.
Consulting Fig. 4, is method first execution mode of releasing source network resource in the handoff procedure of the present invention.This execution mode is that the data gateway of the non-3GPP of target directly sends the gateway of resource release message to source 3GPP after terminal is finished switching from source 3GPP to the non-3GPP of target.
In the present embodiment, at first the prerequisite of terminal source of release bearing resource is: switch to the non-3GPP of target from source 3GPP, this stage comprises the steps 401 and 402.
Step 401: terminal is finished carrying at 3GPP and is set up, and, by the carrying of setting up, the visit of terminal carrying out service data, the up-downgoing data transmit by being carried between terminal and the data gateway;
Step 402: terminal switches to non-3GPP from 3GPP, finishes carrying and sets up, and carries out service data visitation by the carrying of setting up;
If under roaming condition, need pass through gateway in the carrying that non-3GPP sets up.
Present embodiment mainly comprises:
Step 403: judge whether the switching from the source network to the objective network is finished;
Step 404: when judging that switching is finished, the objective network gateway entity sends resource release message to source network;
Switching to the non-3GPP of target from source 3GPP is switching between the heterogeneous network.Be accomplished to the switching of the non-3GPP of target in terminal after, data gateway sends resource release message and discharges request message to gateway such as carrying, initiate wireless and/or S1 carrying release flow process by described gateway, with the wireless of source of release 3GPP and/or S1 bearing resource.Discharge in the request message in described carrying and to comprise following parameter: (Home of address is HOA) or/and customer equipment identification (User ID) to finish the home address of the terminal of switching.Need to determine the resource of release by this parameter.
Source 3GPP receives that the carrying that data gateway is sent discharges request.
Step 405: source network releasing bearing resource;
The gateway of source network initiates to discharge flow process wireless and the S1 carrying, discharges radio bearer and/or S1 carrying among the 3GPP.
Step 406: the gateway of source network returns resource and discharges receiveing the response of finishing and discharge as carrying and receive the response to data gateway as described in the objective network.
Behind releasing bearing, the gateway of source network returns carrying release receives the response to data gateway, and the carrying of notification data gateway discharges to be finished.The described data gateway of objective network receives the described resource of returning from source network and discharges receiveing the response of finishing, and finishes the release of source network bearing resource.
Consulting Fig. 5, is method second execution mode of releasing source network resource in the handoff procedure of the present invention.This execution mode is after terminal is finished switching from source 3GPP to the non-3GPP of target, and the data gateway of the non-3GPP of target sends the Mobility Management Entity of resource release message to source 3GPP by aaa server and home subscriber server.
In the present embodiment, at first the prerequisite of terminal source of release bearing resource is: switch to the non-3GPP of target from source 3GPP, this stage comprises the steps 501 and 502.
Step 501: terminal is finished carrying at 3GPP and is set up, and, by the carrying of setting up, the visit of terminal carrying out service data, the up-downgoing data transmit by being carried between terminal and the data gateway;
Step 502: terminal switches to non-3GPP from 3GPP, finishes carrying and sets up, and carries out service data visitation by the carrying of setting up;
If under roaming condition, need pass through gateway in the carrying that non-3GPP sets up.
Present embodiment mainly comprises:
Step 503: judge whether the switching from the source network to the objective network is finished;
Step 504: when judging that switching is finished, the objective network gateway entity sends resource release message to source network;
Switching to the non-3GPP of target from source 3GPP is switching between the heterogeneous network.After terminal was finished switching at non-3GPP, the gateway entity of objective network such as data gateway sent resource release message and discharge as carrying and asks aaa server/home subscriber server.
If aaa server and home subscriber server are not unified, then aaa server transmission resource release message such as resource discharge notification message to home subscriber server.Comprise following parameter in described resource release message: home address is or/and customer equipment identification.Need to determine the resource of release by this parameter.
Step 505: home subscriber server sends another carrying and discharges Mobility Management Entity or the GPRS serving GPRS support node of notification message to source 3GPP;
Described home subscriber server sends another carrying and discharges Mobility Management Entity or the GPRS serving GPRS support node of notifying source 3GPP, initiates wireless and/or the S1 carrying discharges flow process with the wireless of source of release 3GPP and/or S1 bearing resource by described Mobility Management Entity or GPRS serving GPRS support node.Described carrying notification message can be to carry home address or/and the existing canceling position Cancel Location message of customer equipment identification also can be the message of redetermination.
The Mobility Management Entity of source 3GPP receives that the carrying that data gateway is sent discharges request.
Step 506: source network releasing bearing resource;
The Mobility Management Entity of source network is initiated wireless and/or the S1 carrying discharges flow process, discharges radio bearer corresponding among the 3GPP and/or S1 carrying, and this carrying discharges flow process detailed description in existing protocol.
Step 507: Mobility Management Entity returns resource and discharges the home subscriber server of finishing of receiveing the response.
It can be existing canceling position response CancelLocation Ack message that described resource discharges receiveing the response of finishing, and also can be the message of redetermination.
Step 508: home subscriber server/aaa server returns the data gateway that resource discharges the objective network of finishing of receiveing the response, and the carrying of notification data gateway discharges to be finished; Described data gateway receives the described resource of returning from source network and discharges receiveing the response of finishing.
If home subscriber server and aaa server are not unified, then need home subscriber server to send resource and discharge the aaa server of finishing of receiveing the response, aaa server sends the described data gateway that another resource discharges the objective network of finishing of receiveing the response.
Consulting Fig. 6, is method the 3rd execution mode of releasing source network resource in the handoff procedure of the present invention.This execution mode is under non-roaming or S2 interface roaming scence, after terminal switches to target 3GPP from the non-3GPP in source, by the data gateway of target 3GPP directly send resource release message to the source non-3GPP.
In the present embodiment, at first the prerequisite of terminal source of release bearing resource is: non-3GPP switches to target 3GPP from the source, and this stage comprises the steps 601 and 602.
Step 601: terminal is finished carrying at non-3GPP and is set up, and, by the carrying of setting up, the visit of terminal carrying out service data, the up-downgoing data transmit by being carried between terminal and the data gateway;
Step 602: terminal switches to 3GPP from non-3GPP, finishes carrying and sets up, and carries out service data visitation by the carrying of setting up;
Present embodiment mainly comprises:
Step 603: judge whether the switching from the source network to the objective network is finished;
Step 604: when judging that switching is finished, the objective network gateway entity sends resource release message to source network, the resource release message that source network receiving target network gateway entity is initiated;
Be accomplished to the switching of target 3GPP in terminal after, the gateway entity of target 3GPP such as data gateway send resource release message and discharge the gateway entity of request message to the non-3GPP in source as carrying, discharge flow process by the non-3GPP carrying in source and discharge wireless and/or non-3GPP relevant bearer resource among the non-3GPP in described source;
The carrying that the described data gateway of the gateway entity receiving target 3GPP of the non-3GPP in source is initiated discharges request.
Step 605: source network releasing bearing resource;
The non-3GPP in source discharges the relevant bearing resource of wireless and/or non-3GPP, can use the technology of non-3GPP appointment to discharge.
Step 606: source network returns resource and discharges receiveing the response of finishing and discharge as carrying and receive the response to data gateway as described in the objective network, finishes the release of source network bearing resource;
The gateway entity of the non-3GPP in source sends carrying release and receives the response to the data gateway of objective network, and the carrying of notification data gateway has discharged to be finished.
Consulting Fig. 7, is method the 4th execution mode of releasing source network resource in the handoff procedure of the present invention.This execution mode is under non-roaming or S2 interface roaming scence, after terminal switches to target 3GPP from the non-3GPP in source, by the data gateway of target 3GPP by aaa server send resource release message to the source non-3GPP.
In the present embodiment, at first the prerequisite of terminal source of release bearing resource is: non-3GPP switches to target 3GPP from the source, and this stage comprises the steps 701 and 702.
Step 701: terminal is finished carrying at non-3GPP and is set up, and, by the carrying of setting up, the visit of terminal carrying out service data, the up-downgoing data transmit by being carried between terminal and the data gateway;
Step 702: terminal switches to 3GPP from non-3GPP, finishes carrying and sets up, and carries out service data visitation by the carrying of setting up;
Present embodiment mainly comprises:
Step 703: judge whether the switching from the source network to the objective network is finished;
Step 704: when judging that switching is finished, the objective network gateway entity sends resource release message to source network, the resource release message that source network receiving target network gateway entity is initiated;
Be accomplished to the switching of target 3GPP in terminal after, the aaa server of the non-3GPP in source as described in the data gateway of target 3GPP transmission resource release message arrives as carrying release request message.Comprise following parameter in described carrying release request message: home address is or/and customer equipment identification is determined the resource that needs discharge by this parameter.
Step 705:AAA server sends carrying and discharges the gateway entity of notification message to the non-3GPP in source;
Discharge flow process by the non-3GPP in described source carrying and discharge wireless and/or non-3GPP relevant bearer resource among the described non-3GPP.
Step 706: source network releasing bearing resource;
The non-3GPP in source discharges the relevant bearing resource of wireless and/or non-3GPP, can use the technology of non-3GPP appointment to discharge.
Following steps 707 and 708 be source network return resource discharge receiveing the response of finishing to the described data gateway of target 3GPP, finish the process of the release of source network bearing resource:
Step 707: the gateway entity of the non-3GPP in source returns resource and discharges receiveing the response of finishing and discharge the aaa server of receiveing the response as carrying;
Step 708:AAA server returns the data gateway that resource discharges the target 3GPP of receiveing the response that finishes, and notifies described data gateway carrying to discharge and finishes.
Consulting Fig. 8, is method the 5th execution mode of releasing source network resource in the handoff procedure of the present invention.This execution mode is after terminal is finished from the source non-3GPP and switched to target 3GPP, Mobility Management Entity or GPRS serving GPRS support node send the gateway entity of resource release message to the non-3GPP in source by home subscriber server and aaa server, require the bearing resource among the non-3GPP of source of release.
In the present embodiment, at first the prerequisite of terminal source of release bearing resource is: non-3GPP switches to target 3GPP from the source, and this stage comprises the steps 801 and 802.
Step 801: terminal is finished carrying at non-3GPP and is set up, and, by the carrying of setting up, the visit of terminal carrying out service data, the up-downgoing data transmit by being carried between terminal and the data gateway;
Step 802: non-3GPP switches to target 3GPP to terminal from the source, finishes carrying and sets up, and carries out service data visitation by the carrying of setting up;
Present embodiment mainly comprises:
Step 803: judge whether the switching from the source network to the objective network is finished;
Step 804: when judging that switching is finished, the objective network gateway entity sends resource release message to source network;
For aaa server and home subscriber server is situation about integrating, when judging that switching is finished, the Mobility Management Entity of target 3GPP sends resource release and notifies aaa server/home subscriber server, comprise following parameter in notice: home address is or/and customer equipment identification is determined the resource that needs discharge by this parameter.It can be that UpdateLocation message is upgraded in existing position that described resource discharges notice, also can be the message of redetermination.
For the situation that aaa server separates with home subscriber server, then when judging that switching is finished, the Mobility Management Entity of target 3GPP sends resource release and notifies home subscriber server.
Step 805: this step is optionally, if home subscriber server and aaa server are the equipment that integrates, does not need this step.If do not unify, then home subscriber server receives that described resource discharges another resource release of notice back transmission and notifies aaa server.It can be existing canceling position Cancel Location message that the resource that described home subscriber server sends discharges notice, also can be the message of redetermination.And described home subscriber server resource release notice that receive and that send can be the same or different.
Step 806:AAA server transmission resource release message such as resource release request ResourceRelease Request require the resource of the non-3GPP of source of release to the gateway entity of the non-3GPP in source.This resource release request message can be existing message, also can be the message of redetermination.
Step 807: source network releasing bearing resource;
The non-3GPP in source discharges the relevant bearing resource of wireless and/or non-3GPP, can use the technology of non-3GPP appointment to discharge.
Following steps 808～810th receive the described resource of returning from source network and discharge receiveing the response of finishing:
Step 808: if the unification of home subscriber server and aaa server, after finishing resource and discharging, the gateway entity of the non-3GPP in source returns resource and discharges the response Resource Release Response message finished to aaa server/home subscriber server.
If home subscriber server separates with aaa server, after finishing resource and discharging, the gateway entity of the non-3GPP in source returns resource and discharges the response Resource Release Response message finished to aaa server.
It can be existing message that this resource discharges receiveing the response of finishing, and also can be the message of redetermination.
Step 809: this step is an optional step, if home subscriber server and aaa server unification, then do not need this step, if home subscriber server separates with aaa server, then aaa server returns resource and discharges the response Cancel Location Ack message finish to home subscriber server.This message can be existing message, also can be the message of redetermination.
Step 810: home subscriber server returns resource and discharges the Mobility Management Entity that the response Update Location Ack message of finishing is given target 3GPP, and the notice Mobility Management Entity non-3GPP in source finishes the release of resource.
The described resource of returning of described Mobility Management Entity reception of target 3GPP discharges to finish receives the response.
Consulting Fig. 9, is method the 6th execution mode of releasing source network resource in the handoff procedure of the present invention.This execution mode is under S8 interface (the roaming interface between data gateway and the gateway) roaming scence, promptly under the interface roaming scence between gateway and the data gateway, after terminal switches to target 3GPP from the non-3GPP in source, when visit ground gateway is not changed, by described visit ground gateway send resource release message to the gateway entity of described 3GPP to discharge described wireless and/or non-wireless bearing resource.
In the present embodiment, at first the prerequisite of terminal source of release bearing resource is: non-3GPP switches to target 3GPP from the source, and this stage comprises the steps 901 and 902.
Step 901: terminal is finished carrying at non-3GPP and is set up, and, by the carrying of setting up, the visit of terminal carrying out service data, the up-downgoing data transmit by being carried between terminal and the data gateway;
Step 902: non-3GPP switches to target 3GPP to terminal from the source, finishes carrying and sets up, and carries out service data visitation by the carrying of setting up; In handoff procedure, visit ground gateway remains unchanged, and after promptly switching, 3GPP inserts the visit ground gateway identical with the non-3GPP in source;
Present embodiment mainly comprises:
Step 903: judge whether the switching from the source network to the objective network is finished;
Step 904: when judging that switching is finished, the objective network gateway entity sends resource release message to source network;
Be accomplished to the switching of 3GPP in terminal after, the visit of target 3GPP ground gateway sends resource release message and discharges the gateway entity of request message to the non-3GPP in source as carrying; Comprise following parameter in described carrying release request message: home address is or/and customer equipment identification is determined the wireless and/or non-Radio Resource that needs discharge by this parameter;
The gateway entity of the non-3GPP in source receives the resource release message that described visit ground gateway is initiated.
Step 904: source network releasing bearing resource;
The non-3GPP in source discharges the relevant bearing resource of wireless and/or non-3GPP, can use the technology of non-3GPP appointment to discharge.
Step 905: source network return resource discharge receiveing the response of finishing as carrying discharge receive the response to as described in visit ground gateway, finish the release of source network bearing resource.
The described gateway entity of the non-3GPP in source returns carrying release receives the response, and notice visit ground gateway has been finished carrying release.The visit ground described resource of returning of gateway reception discharges to finish receives the response.
Consulting Figure 10, is method the 7th execution mode of releasing source network resource in the handoff procedure of the present invention.This execution mode is under S8 interface roaming scence, promptly under the interface roaming scence between gateway and the data gateway, after terminal switches to target 3GPP from the non-3GPP in source, when visit ground gateway is not changed, by described visit ground gateway by the AAA agency send resource release message as carrying discharge ask as described in the gateway entity of 3GPP with wireless and/or non-wireless bearing resource as described in discharging.
In the present embodiment, at first the prerequisite of terminal source of release bearing resource is: non-3GPP switches to target 3GPP from the source, and this stage comprises the steps 1001 and 1002.
Step 1001: terminal is finished carrying at non-3GPP and is set up, and, by the carrying of setting up, the visit of terminal carrying out service data, the up-downgoing data transmit by being carried between terminal and the data gateway;
Step 1002: non-3GPP switches to target 3GPP to terminal from the source, finishes carrying and sets up, and carries out service data visitation by the carrying of setting up; In handoff procedure, visit ground gateway remains unchanged, and after promptly switching, 3GPP inserts the visit ground gateway identical with the non-3GPP in source;
Present embodiment mainly comprises:
Step 1003: judge whether the switching from the source network to the objective network is finished;
Step 1004: when judging that switching is finished, the objective network gateway entity sends resource release message to source network;
Be accomplished to the switching of 3GPP in terminal after, the visit of target 3GPP ground gateway is initiated resource release message and is asked visited network AAA agency as carrying release.Comprise following parameter in message: home address is or/and customer equipment identification is determined the resource that needs discharge by this parameter;
Step 1005:AAA agency sends resource and discharges notification message to the non-3GPP gateway entity in source;
The gateway entity of the non-3GPP in source receives the carrying release request that described visit ground gateway is initiated.
Step 1006: source network releasing bearing resource;
The non-3GPP in source discharges the relevant bearing resource of wireless and/or non-3GPP, can use the technology of non-3GPP appointment to discharge.
Following steps 1007 and 1008 be source network return resource discharge receiveing the response of finishing to the described visit ground gateway of target 3GPP, finish the process of the release of source network bearing resource.
Step 1007: the non-3GPP gateway entity in source return resource discharge receiveing the response of finishing as carrying discharge receive the response to as described in the AAA agency;
Step 1008: described AAA agency sends another resource and discharges receiveing the response to visit ground gateway of finishing, and notifies described visit ground service gateway bearing to discharge and finishes.
Consulting Figure 11, is method the 8th execution mode of releasing source network resource in the handoff procedure of the present invention.This execution mode is under S8 interface roaming scence, promptly under the interface roaming scence between gateway and the data gateway, after terminal switches to target 3GPP from the non-3GPP in source, when visit ground gateway takes place to change, by data gateway send resource release message as carrying discharge ask as described in the gateway of the non-3GPP in source, described gateway sends another carrying and discharges the gateway entity of asking described non-3GPP, to discharge described wireless and/or non-wireless bearing resource.
In the present embodiment, at first the prerequisite of terminal source of release bearing resource is: non-3GPP switches to target 3GPP from the source, and this stage comprises the steps 1101 and 1102.
Step 1101: terminal is finished carrying at non-3GPP and is set up, and, by the carrying of setting up, the visit of terminal carrying out service data, the up-downgoing data transmit by being carried between terminal and the data gateway;
Step 1102: non-3GPP switches to target 3GPP to terminal from the source, finishes carrying and sets up, and carries out service data visitation by the carrying of setting up; In handoff procedure, 3GPP inserts from new visit ground gateway, and after promptly switching, visit ground gateway is changed;
Present embodiment mainly comprises:
Step 1103: judge whether the switching from the source network to the objective network is finished;
Step 1104: when judging that switching is finished, the objective network gateway entity sends resource release message to source network;
Be accomplished to the switching of 3GPP in terminal after, the data gateway of target 3GPP sends resource release message and discharges the request message visit that non-3GPP inserts to source ground gateway as carrying, comprise following parameter in described carrying release request message: home address is or/and customer equipment identification is determined the resource that needs discharge by this parameter;
Step 1105: described visit ground gateway sends the gateway entity of another carrying release message to the non-3GPP in source;
The gateway entity of the non-3GPP in source receives the carrying release request that described data gateway is initiated.
Step 1106: source network releasing bearing resource;
The non-3GPP in source discharges the relevant bearing resource of wireless and/or non-3GPP, can use the technology of non-3GPP appointment to discharge.
Following steps 1107 and 1108 are that source network returns carrying and discharges and to receive the response to the data gateway of described objective network, finish the process of the release of source network bearing resource.
Step 1107: the described gateway entity of the non-3GPP in source sends resource and discharges receiveing the response to discharge as carrying and receiveing the response to visit ground gateway of finishing.
Step 1108: visit ground gateway returns carrying release receives the response to the data gateway of source network.
Consulting Figure 12, is method the 9th execution mode of releasing source network resource in the handoff procedure of the present invention.This execution mode is after terminal is finished switching from source 3GPP to the non-3GPP of target, and the data gateway of the non-3GPP of target sends carrying by gateway and discharges the Mobility Management Entity that is notified to source 3GPP.
In the present embodiment, at first the prerequisite of terminal source of release bearing resource is: switch to the non-3GPP of target from source 3GPP, this stage comprises the steps 1201 and 1202.
Step 1201: terminal is finished carrying at 3GPP and is set up, and, by the carrying of setting up, the visit of terminal carrying out service data, the up-downgoing data transmit by being carried between terminal and the data gateway;
Step 1202: terminal switches to non-3GPP from 3GPP, finishes carrying and sets up, and carries out service data visitation by the carrying of setting up;
If under roaming condition, the carrying of setting up at non-3GPP may need through gateway.
Present embodiment mainly comprises:
Step 1203: judge whether the switching from the source network to the objective network is finished;
Step 1204: when judging that switching is finished, objective network data gateway entity sends the switching that requires to discharge resource by gateway and finishes notice (carrying the IP address) to Mobility Management Entity, this message in process of transmitting through two sections networks, one section network is between objective network data gateway and the gateway, and another section network is between gateway and the Mobility Management Entity.These two sections message can be based on identical or different agreement, can be to carry the switching that requires to discharge resource identification to finish notice, also can be that notice is finished in simple switching, Mobility Management Entity receive after this message according to and described objective network between the agreement reserved in advance, initiate resource release flow.The message that described gateway can the transparent data gateway sends.Also can handle, re-construct new message and send to Mobility Management Entity the message that the data gateway sends;
Step 1205: Mobility Management Entity sends deleting bearing request message (carrying Tunnel End Point Identifier TEID, Teardown Ind parameter) to gateway and data gateway, requires deleting bearing.This step comprises that Mobility Management Entity sends the deleting bearing request message and sends the deleting bearing request message to two sections of data gateways to gateway and gateway.Two sections message can be based on different agreements, and gateway also can re-construct new message and send to data gateway according to the message of receiving.Wherein, Teardown Ind is an optional parameters, and disposable if desired deletion TEID therewith has all carryings of identical IP address, and then needing Teardown Ind set is 1;
Step 1206: data gateway and gateway return deleting bearing receives the response to Mobility Management Entity, notifies its carrying to discharge and finishes.This step also can comprise two sections message, and these two sections message also can be constructed based on different agreements;
Step 1207: Mobility Management Entity sends the carrying release message to NodeB, requires the related resource of NodeB release about this terminal;
Step 1208: described Mobility Management Entity or GPRS serving GPRS support node return described expression resource through described gateway and discharge the switching of finishing and finish and receive the response, the notification data gateway resource discharges to be finished, and the described switching of returning of described data gateway reception of objective network is finished and receiveed the response.This step is an optional step, has initiated the flow process of releasing bearing if data gateway deleting bearing message is in front known Mobility Management Entity, and this step can be omitted.
In addition, carry out the angle that resource discharges from source network, the present invention also provides method the tenth execution mode of releasing source network resource, may further comprise the steps:
1) after switching to objective network, the resource release message that source network receiving target network gateway entity is initiated;
2) source network discharges described resource after receiving described resource release message.
In step 2) afterwards, can further include:
Source network returns receiveing the response to described objective network gateway entity that described release finishes.
Above execution mode is the method for source of release bearing resource under the corresponding different scene, but the method for source of release bearing resource is not limited to above giving an example.Such as, can after switching between non-3GPP and the non-3GPP, carry out the flow process that described resource discharges.
One of ordinary skill in the art will appreciate that all or part of step in the method execution mode of realizing releasing source network resource in the above-mentioned handoff procedure is to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, this program can comprise the content of each execution mode of method of releasing source network resource in the aforementioned handoff procedure of the present invention when carrying out.Here the alleged storage medium that gets, as: ROM/RAM, magnetic disc, CD etc.
Consult Figure 13, the present invention also provides gateway entity first execution mode.Described gateway entity comprises:
Judging unit 1310 is used to judge whether the switching from the source network to the objective network is finished;
First transmitting element 1320 is used for when the described switching of described judgment unit judges has been finished, and the resource release message that sends releasing source network resource is to source network.
Above gateway entity of the present invention first execution mode as can be seen, because at prior art timely technological deficiency of source of release bearing resource after switching between network, the present embodiment gateway entity is proposed pointedly, adopt judging unit 1310 to judge whether that internetwork switching finishes, when judging that switching is finished, adopt first transmitting element 1320 and first receiving element 1330 to be provided at resource release message mutual between objective network and the source network and resource respectively and discharge the mechanism of finishing of receiveing the response, be in due course and suitable position, after promptly switching to objective network, first transmitting element 1320 by gateway entity is initiated resource release message, the specific implementation network switches the function of back source of release bearing resource, reaches the technique effect that improves source network bearing resource service efficiency.
Also consult Figure 13, in other embodiments, described gateway entity also comprises first receiving element 1330, is used for the reception sources network and finishes the carrying of returning after resource discharges and discharge and receive the response.
In other embodiments, described gateway entity is a data gateway, and described first transmitting element can specifically be used for:
Send the gateway of described resource release request, be used to trigger the resource release flow that described gateway is initiated described source network to source 3GPP; Or
Send the aaa server of described resource release request, trigger home subscriber server notice Mobility Management Entity or GPRS serving GPRS support node initiation source network carrying release flow process through described aaa server to source 3GPP; Or
Send the aaa server/home subscriber server of described resource release request, trigger Mobility Management Entity or GPRS serving GPRS support node initiation source network carrying release flow process through described aaa server/home subscriber server to source 3GPP; Or
Send the switching that requires to discharge resource and finish the gateway of notifying source network, notify it to transmit described switching and finish notice or rebuild switching that new requirement discharges resource and finish and notify Mobility Management Entity or GRPS serving GPRS support node, initiate the resource release flow of source network by described Mobility Management Entity or GPRS serving GPRS support node;
Send the gateway entity of described resource release request, be used to trigger described gateway entity and initiate described resource release flow to the non-3GPP in source; Or
Send resource release request to aaa server, trigger the gateway entity of the non-3GPP in source through described aaa server and initiate described resource release flow; Or
Send the gateway of first resource release request, trigger the gateway entity of the non-3GPP in source through described gateway and initiate described resource release flow to the non-3GPP in source.
Described gateway entity can also be a Mobility Management Entity, and this moment, described first transmitting element can specifically be used for:
Send resource release and notify aaa server/home subscriber server, trigger the gateway entity of the non-3GPP in source through described aaa server/home subscriber server and initiate described resource release flow; Or
Send the release of first resource and notify home subscriber server, through described home subscriber server notice aaa server, the gateway entity of the non-3GPP in triggering source is initiated described resource release flow.
Described gateway entity can also be a gateway, and this moment, described first transmitting element can specifically be used for:
Send the gateway entity of resource release request, be used to trigger described resource release flow to the non-3GPP in source; Or
Send first resource release request to the AAA agency, initiate described resource release flow through the gateway entity of the described AAA agent triggers non-3GPP in source; Or
Send the gateway of first resource release request, trigger the gateway entity of the non-3GPP in source through described gateway and initiate described resource release flow to the non-3GPP in source.
Consult Figure 14, the present invention also provides the network equipment first execution mode, comprising:
Second receiving element 1410 is used for the resource release message that the receiving target network is initiated;
Resource releasing unit 1420 is used for the described resource of source of release network after described second receiving element 1410 is received described message.
Above network of the present invention first execution mode as can be seen, because at prior art timely technological deficiency of source of release bearing resource after switching between network, the present embodiment network equipment is proposed pointedly, adopting second receiving element 1410 to receive resource release message and resource discharges the mechanism of finishing of receiveing the response, be in due course promptly switch to objective network after, receive resource release message and adopt resource releasing unit 1420 to discharge described resource, the specific implementation network switches the function of back source of release bearing resource, reaches the technique effect that improves source network bearing resource service efficiency.
The described network equipment can be gateway, Mobility Management Entity, GPRS serving GPRS support node, evolution packet data gateway or reliable non-3 GPP IAD.
Can further include response unit 1430, be used for after described resource releasing unit 1420 is finished resource release, returning resource and discharge the source network of finishing of receiveing the response.
Consult Figure 15, the present invention also provides the network equipment second execution mode, comprising:
The 3rd receiving element 1510 is used for the resource release message that the receiving target network is initiated;
Second transmitting element 1520 is used for after described the 3rd receiving element 1510 is received described message, triggers the described resource of release of objective network.
The described network equipment can be gateway, aaa server/home subscriber server, GPRS serving GPRS support node or AAA agency.
Above-mentioned network equipment execution mode switches the carrying that the back objective network initiates between can assisted network and discharges request, can source of release carrying related resource, improve the service efficiency of source network bearing resource, and reduce the waste of resource.
What deserves to be explained is that judging unit 1310, first transmitting element 1320 and first receiving element 1330 in aforementioned gateway entity first execution mode of the present invention can be integrated in the processing module; In like manner, each unit in the aforementioned network equipment of the present invention first execution mode also can be integrated in the processing module.
What deserves to be explained is that also each unit of the gateway entity in the embodiment of the present invention or the network equipment both can adopt the form of hardware to realize, but the part that software is realized can adopt also the form of software function module to realize.Correspondingly, embodiment of the present invention both can be used as independently production marketing or use, sold in the computer read/write memory medium or used but the part that software is realized also can be stored in.
To sum up, the present invention can produce following technique effect at least:
1, in terminal after source network switching target network, can in time carry out the release of source network bearing resource, improve the service efficiency of source network bearing resource, reduce the waste of resource;
2, the method for source of release carrying can be applied in the scene of switching between diverse network, and operability is good;
3, utilize original system/agreement to increase the step/device of source of release carrying, cost can be controlled in low scope.
More than method, gateway entity and the network equipment of releasing source network resource in a kind of handoff procedure provided by the present invention is described in detail by specific embodiment, the explanation of above embodiment just is used for helping to understand method of the present invention and thought thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (21)

1. the method for a releasing source network resource is characterized in that, comprising:
Whether the switching of judgement from the source network to the objective network is finished;
When judging that switching is finished, the objective network gateway entity sends resource release message to source network.
2. method according to claim 1 is characterized in that, in described step: the objective network gateway entity sends resource release message after source network, further comprises:
Reception discharges receiveing the response of finishing from the described resource that source network returns.
3. method according to claim 2, it is characterized in that, described step: the objective network gateway entity sends resource release message and comprises to source network: the data gateway of objective network sends resource release message to source network, described source network is terminal is established to the IP connectivity of data gateway by gateway under Mobility Management Entity control a kind of cordless communication network, described objective network is terminal is established to data gateway under the control of border IAD a IP connectivity, and the border IAD is a kind of cordless communication network that is connected by the tunnel with data gateway.
4. method according to claim 3 is characterized in that, described step: the data gateway of objective network sends resource release message to source network, comprising:
The data gateway of objective network sends the gateway of resource release request to source network, initiates the resource release flow of source network by described gateway; Or
The data gateway of objective network sends resource release request to home subscriber server by aaa server, described home subscriber server sends carrying release and notifies Mobility Management Entity or GPRS serving GPRS support node, initiates the resource release flow of source network by described Mobility Management Entity or GPRS serving GPRS support node; Or
The data gateway of objective network sends resource release request to aaa server/home subscriber server, described aaa server/home subscriber server sends carrying release and notifies Mobility Management Entity or GPRS serving GPRS support node, initiates the resource release flow of described source network by described Mobility Management Entity or GPRS serving GPRS support node; Or
The data gateway of objective network sends the switching that requires to discharge resource and finishes the gateway of notifying source network, described gateway is transmitted switching that described requirement discharges resource and is finished notice or rebuild switching that new requirement discharges resource and finish and notify Mobility Management Entity or GRPS serving GPRS support node, initiates the resource release flow of source network by described Mobility Management Entity or GPRS serving GPRS support node.
5. method according to claim 4 is characterized in that, described step: the described resource that reception is returned from source network discharges receiveing the response of finishing and comprises:
The described data gateway of objective network receives the described resource of returning from the gateway of source network and discharges to finish and receive the response; Or
Described Mobility Management Entity or GPRS serving GPRS support node return described resource through described home subscriber server, aaa server respectively and discharge receiveing the response of finishing, and the described resource of returning of described data gateway reception of objective network discharges to finish receives the response; Or
Described Mobility Management Entity or GPRS serving GPRS support node return described resource through described home subscriber server/aaa server and discharge receiveing the response of finishing, and the described resource of returning of described data gateway reception of objective network discharges to finish receives the response; Or
Described Mobility Management Entity or GPRS serving GPRS support node return the expression resource through described gateway and discharge the switching finish and finish and receive the response, and the described data gateway of objective network receives the described switching of returning and finishes and receive the response.
6. method according to claim 2, it is characterized in that, described objective network is terminal is established to the IP connectivity of data gateway by gateway under Mobility Management Entity control a kind of cordless communication network, described source network is terminal is established to data gateway under the control of border IAD a IP connectivity, and the border IAD is a kind of cordless communication network that is connected by the tunnel with data gateway.
7. method according to claim 6 is characterized in that, described step: the gateway entity of objective network sends resource release message to source network, comprising:
The data gateway of objective network sends the gateway entity of resource release request to source network, initiates resource release flow by described gateway entity; Or
The data gateway of objective network sends resource release request to aaa server, and described aaa server sends resource and discharges the gateway entity of notifying source network, initiates resource release flow by described gateway entity; Or
The Mobility Management Entity of objective network sends resource release and notifies aaa server/home subscriber server, described aaa server/home subscriber server sends the gateway entity of resource release request to source network, initiates resource release flow by described gateway entity; Or
The Mobility Management Entity of objective network sends the release of first resource and notifies home subscriber server, described home subscriber server sends the release of second resource and notifies aaa server, described aaa server sends the gateway entity of resource release request to source network, initiates resource release flow by described gateway entity; Or
When the gateway of objective network was not changed in handoff procedure, described gateway sent the gateway entity of resource release request to source network, initiated resource release flow by the described gateway entity of source network; Or
When the gateway of objective network is not changed in handoff procedure, described gateway sends first resource release request to the AAA agency, described AAA agency sends the gateway entity of second resource release request to source network, initiates resource release flow by the described gateway entity of source network; Or
When gateway takes place to change in handoff procedure, the data gateway of objective network sends the gateway of first resource release request to source network, described gateway sends the gateway entity of second resource release request to source network, initiates resource release flow by the described gateway entity of source network.
8. method according to claim 7 is characterized in that, described step: the described resource that reception is returned from source network discharges receiveing the response of finishing and comprises:
The described data gateway of objective network receives the described resource of returning from the described gateway entity of source network and discharges receiveing the response of finishing; Or
The described gateway entity of source network returns described resource through described aaa server and discharges receiveing the response of finishing, and the described resource of returning of described data gateway reception of objective network discharges to finish receives the response; Or
The described gateway entity of source network returns described resource through described aaa server/home subscriber server and discharges receiveing the response of finishing, and the described resource of returning of described Mobility Management Entity reception of objective network discharges to finish receives the response; Or
The described gateway entity of source network returns described resource through described aaa server, home subscriber server respectively and discharges receiveing the response of finishing, and the described resource of returning of described Mobility Management Entity reception of objective network discharges to finish receives the response; Or
The described gateway of objective network receives the described resource of returning from the described gateway entity of source network and discharges receiveing the response of finishing; Or
The described gateway entity of source network returns described resource through described AAA agency and discharges to finish and receive the response, and the described gateway of described objective network receives the described resource of returning and discharges receiveing the response of finishing; Or
The described gateway entity of source network returns described resource through the described gateway of source network and discharges to finish and receive the response, and the described data gateway of described objective network receives the described resource of returning and discharges receiveing the response of finishing.
9. the method for a releasing source network resource is characterized in that, comprising:
After switching to objective network, the resource release message that source network receiving target network gateway entity is initiated;
Source network discharges described resource after receiving described resource release message.
10. method according to claim 9 is characterized in that, in described step: discharge after the described resource after source network is received described resource release message, further comprise:
Source network returns receiveing the response to described objective network gateway entity that described release finishes.
11. a gateway entity is characterized in that, comprising:
Judging unit is used to judge whether the switching from the source network to the objective network is finished;
First transmitting element is used for when the described switching of described judgment unit judges has been finished, and the resource release message that sends releasing source network resource is to source network.
12. gateway entity according to claim 11 is characterized in that, described gateway entity is a data gateway, and described first transmitting element specifically is used for:
Send the gateway of described resource release request, be used to trigger the resource release flow that described gateway is initiated source network to source network; Or
Send described resource release request to aaa server, the carrying that triggers home subscriber server notice Mobility Management Entity or GPRS serving GPRS support node initiation source network through described aaa server discharges flow process; Or
Send described resource release request to aaa server/home subscriber server, the carrying that triggers Mobility Management Entity or GPRS serving GPRS support node initiation source network through described aaa server/home subscriber server discharges flow process; Or
Send the switching that requires to discharge resource and finish the gateway of notifying source network, notify it to transmit described notice or rebuild switching that new requirement discharges resource and finish and notify Mobility Management Entity or GRPS serving GPRS support node, initiate the resource release flow of source network by described Mobility Management Entity or GPRS serving GPRS support node;
Wherein, described source network is terminal is established to the IP connectivity of data gateway by gateway under Mobility Management Entity control a kind of cordless communication network, described objective network is terminal is established to data gateway under the control of border IAD a IP connectivity, and the border IAD is a kind of cordless communication network that is connected by the tunnel with data gateway.
13. gateway entity according to claim 11 is characterized in that, described gateway entity is a data gateway, and described first transmitting element specifically is used for:
Send the gateway entity of described resource release request, be used to trigger the resource release flow that described gateway entity is initiated source network to source network; Or
Send resource release request to aaa server, trigger the gateway entity of source network through described aaa server and initiate the resource release flow of source network; Or
Send the gateway of first resource release request, trigger the gateway entity of sources traffic network through described gateway and initiate the resource release flow of source network to source network;
Wherein, described objective network is terminal is established to the IP connectivity of data gateway by gateway under Mobility Management Entity control a kind of cordless communication network, described source network is terminal is established to data gateway under the control of border IAD a IP connectivity, and the border IAD is a kind of cordless communication network that is connected by the tunnel with data gateway.
14. gateway entity according to claim 11 is characterized in that, described gateway entity is a Mobility Management Entity, and described first transmitting element specifically is used for:
Send resource release and notify aaa server/home subscriber server, trigger the gateway entity of source network through described aaa server/home subscriber server and initiate the resource release flow of source network; Or
Send the release of first resource and notify home subscriber server,, trigger the gateway entity of source network and initiate the resource release flow of source network through described home subscriber server notice aaa server;
Wherein, described objective network is terminal is established to the IP connectivity of data gateway by gateway under Mobility Management Entity control a kind of cordless communication network, described source network is terminal is established to data gateway under the control of border IAD a IP connectivity, and the border IAD is a kind of cordless communication network that is connected by the tunnel with data gateway.
15. gateway entity according to claim 11 is characterized in that, described gateway entity is a gateway, and described first transmitting element specifically is used for:
Send the gateway entity of resource release request, be used to trigger the resource release flow of source network to source network; Or
Send first resource release request to AAA agency, through described AAA agent triggers in a steady stream the gateway entity of network initiate the resource release flow of source network;
Wherein, described objective network is terminal is established to the IP connectivity of data gateway by gateway under Mobility Management Entity control a kind of cordless communication network, described source network is terminal is established to data gateway under the control of border IAD a IP connectivity, and the border IAD is a kind of cordless communication network that is connected by the tunnel with data gateway.
16. gateway entity according to claim 11 is characterized in that, further comprises:
First receiving element is used for the reception sources network and finishes the carrying of returning after resource discharges and discharge and receive the response.
17. a network equipment is characterized in that, comprising:
Second receiving element is used for the resource release message that the reception sources network is initiated;
The resource releasing unit is used for after described second receiving element is received described message discharging the described resource of objective network.
18. the network equipment according to claim 17 is characterized in that, comprising:
The described network equipment is the IAD of gateway, Mobility Management Entity, GPRS serving GPRS support node, evolution packet data gateway or communication network.
19. the network equipment according to claim 17 is characterized in that, further comprises response unit, is used for returning resource after described resource releasing unit is finished resource release and discharges the source network of finishing of receiveing the response.
20. a network equipment is characterized in that, comprising:
The 3rd receiving element is used for the resource release message that the receiving target network is initiated;
Second transmitting element is used for after described the 3rd receiving element is received described message, triggers source network and discharges described resource.
21. the network equipment according to claim 20 is characterized in that, comprising:
The described network equipment is gateway, aaa server/home subscriber server or AAA agency.
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WO2009097772A1 (en) * 2008-01-31 2009-08-13 Huawei Technologies Co., Ltd. Control method, communication system and relative device for resource release
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CN101827134B (en) * 2009-01-28 2013-09-18 丛林网络公司 Automatically releasing resources reserved for subscriber devices within a broadband access network
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US8830962B2 (en) 2008-01-31 2014-09-09 Huawei Technologies Co., Ltd. Method, communication system and device for controlling resource release
US8144665B2 (en) 2008-01-31 2012-03-27 Huawei Technologies Co., Ltd. Resource release control method, communication system and device
WO2009097772A1 (en) * 2008-01-31 2009-08-13 Huawei Technologies Co., Ltd. Control method, communication system and relative device for resource release
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CN102413584A (en) * 2010-09-20 2012-04-11 电信科学技术研究院 Method and equipment for managing PDN (public data network) connection
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CN102413562B (en) * 2010-09-20 2015-01-14 电信科学技术研究院 Management method and equipment of PDN (Packet Data Network) connection
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WO2023143270A1 (en) * 2022-01-29 2023-08-03 华为技术有限公司 Communication method and apparatus

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