CN102326442B - Processing method for lipa pdn connected context information and mobile management apparatus - Google Patents
Processing method for lipa pdn connected context information and mobile management apparatus Download PDFInfo
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- CN102326442B CN102326442B CN201180001667.8A CN201180001667A CN102326442B CN 102326442 B CN102326442 B CN 102326442B CN 201180001667 A CN201180001667 A CN 201180001667A CN 102326442 B CN102326442 B CN 102326442B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/08—Mobility data transfer
- H04W8/082—Mobility data transfer for traffic bypassing of mobility servers, e.g. location registers, home PLMNs or home agents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
Abstract
The embodiments of the present invention relate to a processing method for LIPA PDN connected context information and a mobile management apparatus, wherein the method comprises the steps that: a source mobile management apparatus migrates the UE of source mobile management apparatus service and marks the UE for indication the UE due to load balance is migrated; and the source mobile management apparatus sends the LIPA PDN connected context information of the UE to the target management apparatus migrated to the UE, according to the marked information. The embodiments of the present invention can avoid the problem that other mobile management apparatus to which the UE is migrated can not obtain the LIPA PDN connected context information established before the UE such that other mobile management apparatus can not perform service by using the LIPA PDN connection established before, thereby increasing service reliability.
Description
Technical field
The embodiment of the present invention relates to the communication technology, relate in particular to local IP access (Local IP Access, processing method and the mobile management device of the contextual information that abbreviation LIPA) Packet Data Network's (Packet Data Network is called for short PDN) connects.
Background technology
For higher message transmission rate, less time delay are provided, reduce operator's operation cost simultaneously, third generation partner program (the 3rd Generation Partner Project, abbreviation 3GPP) tissue has proposed a kind of access service based on family's access device, such as: by disposing family's access device in places such as family, market or enterprises, provide access service.In order to save transmission cost, a kind scheme has been proposed, can carry out concrete business without core net, i.e. local IP access (Local IP Access is called for short LIPA) scheme.In this LIPA scheme, when subscriber equipment (User Equipment is called for short UE) accesses from family's access device, can for example, by local grouped data network gateway access IP network: internet (Internet).
Yet, mobile management device generation overload phenomenon when the current access of UE, this mobile management device can move to this UE on other mobile management devices by family's access device, but other mobile management devices cannot get the contextual information of the LIPA PDN connection of setting up before UE, make UE cannot utilize the LIPA PDN of foundation before to connect and carry out business, thereby reduced service reliability.
Summary of the invention
The embodiment of the present invention provides processing method and the mobile management device of the contextual information that LIPA PDN connects, and when solving in prior art mobile management device overload, target mobile management device cannot obtain the problem of the contextual information that LIPA PDN connects.
One aspect of the present invention provides a kind of processing method of contextual information of LIPA PDN connection, comprising:
Source mobile management device moves the UE of described source mobile management device service, and described UE is carried out to mark, is used to indicate described UE because load balancing is moved;
Described source mobile management device is according to the information of described mark, and the target mobile management device moving to described UE sends the contextual information of the LIPA PDN connection of described UE.
The present invention provides a kind of processing method of contextual information of LIPA PDN connection on the other hand, comprising:
The target mobile management device that UE moves to receives indication information, and described indication information is used to indicate the contextual information connecting to the LIPA PDN of UE described in the source mobile management device request for described UE service;
Described target mobile management device is according to described indication information, the contextual information connecting to the LIPA PDN of UE described in the mobile management device request of described source;
Described target mobile management device obtains the contextual information that the LIPAPDN of the described UE that described source mobile management device sends connects.
The present invention provides a kind of mobile management device on the other hand, comprising:
Migration units, for the UE of described mobile management device service is moved, and carries out mark to described UE, is used to indicate described UE because load balancing is moved;
Transmitting element, for according to the information of described migration units mark, the mobile management device moving to described U E sends the contextual information that the LIPA PDN of described UE connects.
The present invention provides a kind of mobile management device on the other hand, comprising:
Receiving element, for receiving indication information, described indication information is used to indicate the contextual information connecting to the LIPA PDN of UE described in the mobile management device request for UE service;
Request unit, for according to described indication information, to described be the contextual information that the LIPA PDN of UE connects described in the mobile management device request of described UE service;
Obtain unit, the contextual information connecting for obtaining the LIPA PDN of the described UE of the described mobile management device transmission for described UE service.
As shown from the above technical solution, other mobile management devices that the embodiment of the present invention can be avoided moving to due to UE in prior art cannot get LIPA PDN that other mobile management devices that contextual information that the LIPA PDN that sets up before UE connects causes set up before cannot utilizing and connect and carry out the problem of business, thereby have improved service reliability.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The schematic flow sheet of the processing method of the contextual information that the LIPA PDN that Fig. 1 provides for one embodiment of the invention connects;
The schematic flow sheet of the processing method of the contextual information that the LIPA PDN that Fig. 2 provides for another embodiment of the present invention connects;
The schematic flow sheet of the processing method of the contextual information that the LIPA PDN that Fig. 3 provides for another embodiment of the present invention connects;
The schematic flow sheet of the processing method of the contextual information that the LIPA PDN that Fig. 4 provides for another embodiment of the present invention connects;
The schematic flow sheet of the processing method of the contextual information that the LIPA PDN that Fig. 5 provides for another embodiment of the present invention connects;
The structural representation of the mobile management device that Fig. 6 provides for another embodiment of the present invention;
The structural representation of the mobile management device that Fig. 7 provides for another embodiment of the present invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Local gateway described in the embodiment of the present invention (Local Gateway is called for short LGW) is for transmitting the gateway of LIPA data.
The schematic flow sheet of the processing method of the contextual information that the LIPA PDN that Fig. 1 provides for one embodiment of the invention connects, as shown in Figure 1, the processing method of the contextual information that the LIPA PDN of the present embodiment connects can comprise:
101, source mobile management device moves the UE of above-mentioned source mobile management device service, and above-mentioned UE is carried out to mark, is used to indicate above-mentioned UE because load balancing is moved;
For example: source mobile management device specifically can increase label information in the contextual information of above-mentioned UE, be used to indicate above-mentioned UE because load balancing is moved.
102, above-mentioned source mobile management device is according to the information of above-mentioned mark, and the target mobile management device moving to above-mentioned UE sends the contextual information of the LIPA PDN connection of above-mentioned UE.
The address information that can comprise LGW in the contextual information that wherein, the LIPA PDN of above-mentioned UE connects.Correspondingly, the address information of the LGW comprising in the contextual information that above-mentioned target mobile management device can connect according to the LIPA PDN of above-mentioned UE, the contextual information that the LIPA PDN of above-mentioned UE is connected is processed.For example: when the address information of the LGW comprising when the contextual information that the address information of LGW that above-mentioned target mobile management device obtains from family access device and the LIPA PDN of above-mentioned UE are connected is inconsistent, above-mentioned target mobile management device can be deleted the contextual information of the LIPAPDN connection of above-mentioned UE, illustrates that variation has occurred really in the position of UE.Further, target mobile management device can also be further carries out alternately with other network elements (such as SGW or LGW etc.), and the contextual information that the LIPA PDN that makes other network elements delete above-mentioned UE connects, connect the LIPA PDN of this UE of deexcitation.
In the present embodiment, when source mobile management device transships, by the UE of this source mobile management device migration is carried out to mark, the source mobile management device of making can be according to the information of above-mentioned mark, the target mobile management device moving to above-mentioned UE sends the contextual information of the LIPA PDN connection of above-mentioned UE, make UE can utilize the LIPA PDN of foundation before to connect and carry out business, other mobile management devices that can avoid moving to due to UE in prior art cannot get the LIPAPDN that other mobile management devices that contextual information that the LIPA PDN that sets up before UE connects causes set up before cannot utilizing and connect the problem of carrying out business, thereby improved service reliability.
The technical scheme that the present embodiment provides goes for multiple wireless access network, for example: evolved universal mobile communication system (Universal Mobile Telecommunication System, be called for short UMTS) land radio access web (Evolved Universal Mobile Telecommunication System Territorial Radio Access Network, be called for short E-UTRAN), the network such as UMTS Terrestrial radio access network (UMTS Territorial Radio Access Network is called for short UTRAN).
Mobile management device wherein can be (the Mobility Management Entity of the Mobility Management Entity in E-UTRAN, be called for short MME), can also be (the General Packet Radio Service of the service universal grouping wireless service in UTRAN, be called for short GPRS) equipment such as support node (Serving GPRS Supporting Node is called for short SGSN).
Family's access device wherein can be for the family in E-UTRAN evolved Node B (Home Evolved NodeB is called for short HeNB), can also be the equipment such as the home node-b in UTRAN (Home NodeB is called for short HNB).
For the method that the embodiment of the present invention is provided is clearer, below will be with E-UTRAN as an example.The schematic flow sheet of the processing method of the contextual information that the LIPA PDN that Fig. 2 provides for another embodiment of the present invention connects, as shown in Figure 2, the processing method of the contextual information that the LIPA PDN of the present embodiment connects can comprise:
201, UE and source MME (old MME) carry out alternately, carry out and set up PDN connection flow process;
Particularly, first, UE can adhere to by execution (Attach) flow process and be linked on the MME of source.Then, UE can connect (UE Requested PDN Connectivity) flow process by carrying out UE request PDN, sets up new PDN and connects, and in this process, UE has set up corresponding LIPA PDN simultaneously and connected.
202, there is overload phenomenon in source MME;
It should be noted that: above-mentioned 201 and 202 do not have strict sequencing restriction, that is to say, source MME occur overload phenomenon can appear at UE be linked into this MME before, among or afterwards, or the PDN that can also appear at UE connect set up before, among or afterwards.
When overload phenomenon occurs source MME, can, according to load balancing (Load Rebalancing) strategy, by the part or all of UE migration (also can be called shunting, i.e. off-load) of service, to other MME, be target MME (new MME).
203, source MME and gateway (Serving Gateway is called for short SGW) carry out alternately, discharging access bearer;
For example: source MME is to SGW transmission release access bearer request (Release Access Bearers Request) message, and SGW returns and discharges access bearer response (Release Access Bearers Response) message to source MME.
204, source MME carries out mark to UE, is used to indicate this UE because load balancing is moved;
For example: source MME specifically can increase label information in the contextual information of above-mentioned UE, be used to indicate above-mentioned UE because the load balancing of source MME is moved.
It should be noted that: above-mentioned 203 and 204 do not have strict sequencing restriction, that is to say, source MME may first carry out mark to UE, and then discharges access bearer; Or can also first discharge access bearer, then UE is carried out to mark.
205, source MME sends S1 interface UE context release command (S1 UE Context Release Command) message to HeNB, in this message, carry cause value, this cause value is that load balancing needs tracing section updating (Tracking Area Update is called for short TAU) (load balancing TAU Required);
206, HeNB sends RRC Connection Release (RRC Connection Release) message to UE, in this message, carries cause value, and this cause value is that load balancing needs TAU (load balancing TAU Required);
207, HeNB has discharged (S1 UE Context Release Complete) message to source MME transmission S1 interface UE context;
208, UE sends TAU request (TAU Request) message to HeNB;
209, HeNB is that the MME that UE selection moves to is target MME, HeNB sends initial UE message (Initial UE message) or up Non-Access Stratum (Non Access Stratum to target MME, be called for short NAS) transmission (Uplink NAS Transport) message, (for example: the IP address of LGW) in this message, comprise the address information of TAU request message and the LGW corresponding with this HeNB;
210, target MME sends context request (Context Request) message to source MME;
211, source MME, according to the mark in 204, UE being carried out, sends context response (Context Response) message to target MME, comprises the contextual information of the LIPA PDN connection of above-mentioned UE in this message;
Wherein, the address information that comprises LGW in the contextual information that the LIPA PDN of UE connects (for example: the IP address of LGW).
212, target MME sends context confirmation (Context Acknowledge) message to source MME;
213, target MME is sent and revises carrying request (Modify Bearer Request) message to PGW by SGW;
214, PGW is sent and revises carrying response (Modify Bearer Response) message to target MME by SGW;
215, target MME sends TAU to UE and accepts (Accepted) message.
So far, business is carried out in the LIPA PDN connection that UE sets up before can utilizing.
Alternatively, before 215, if the address information of the LGW comprising in the contextual information that the address information of LGW that target MME obtains while moving to this target MME according to above-mentioned UE and the LIPA PDN of above-mentioned UE are connected is inconsistent, the above-mentioned target MME LIPA PDN of the above-mentioned UE of deexcitation connects, really there is variation in the position that UE is described, thereby business is carried out in the LIPA PDN setting up before cannot utilizing connection.
In the present embodiment, during source MME overload, by the UE of this source MME migration is carried out to mark, the source MME of making can be according to the information of above-mentioned mark, the target MME moving to above-mentioned UE sends the contextual information of the LIPA PDN connection of above-mentioned UE, make UE can utilize the LIPAPDN of foundation before to connect and carry out business, other MME that can avoid moving to due to UE in prior art cannot get the LIPA PDN that other MME that contextual information that the LIPA PDN that sets up before UE connects causes set up before cannot utilizing and connect the problem of carrying out business, thereby improved service reliability.
The schematic flow sheet of the processing method of the contextual information that the LIPA PDN that Fig. 3 provides for another embodiment of the present invention connects, as shown in Figure 3, the processing method of the contextual information that the LIPA PDN of the present embodiment connects can comprise:
301, the target mobile management device that UE moves to receives indication information, and above-mentioned indication information is used to indicate the contextual information connecting to the LIPA PDN of the above-mentioned UE of source mobile management device request for above-mentioned UE service;
Alternatively, above-mentioned indication information can send for above-mentioned UE, above-mentioned indication information is carried in the location update request message of above-mentioned UE transmission, and above-mentioned location update request message is carried at above-mentioned family access device in the initial UE message of above-mentioned target mobile management device transmission.
Alternatively, above-mentioned indication information can also send for above-mentioned family access device, and the location update request message that above-mentioned indication information and above-mentioned UE send is carried at above-mentioned family access device in the initial UE message of above-mentioned target mobile management device transmission.For example: if the Radio Resource that family's access device receives is controlled (Radio Resource Control, abbreviation RRC) the RRC parameter in connection setup complete message does not comprise the temporary mark of UE, and this family's access device sends above-mentioned initial UE message to target mobile management device.Wherein, the temporary mark of UE can include but not limited to overall unique MME sign (Globally Unique MME Identifier, be called for short GUMMEI) or packet TMSI (Packet Temporary Mobile Subscriber Indentity is called for short P-TMSI).
302, above-mentioned target mobile management device is according to above-mentioned indication information, the contextual information connecting to the LIPA PDN of the above-mentioned UE of source mobile management device request;
303, above-mentioned target mobile management device obtains the contextual information that the LIPA PDN of the above-mentioned UE that above-mentioned source mobile management device sends connects.
In the present embodiment, when source mobile management device transships, the indication information receiving by target mobile management device basis, to source mobile management device request and obtain the contextual information that the LIPA PDN of above-mentioned UE connects, make UE can utilize the LIPA PDN of foundation before to connect and carry out business, other mobile management devices that can avoid moving to due to UE in prior art cannot get the LIPA PDN that other mobile management devices that contextual information that the LIPA PDN that sets up before UE connects causes set up before cannot utilizing and connect the problem of carrying out business, thereby improved service reliability.
The technical scheme that the present embodiment provides goes for multiple wireless access network, for example: evolved universal mobile communication system (Universal Mobile Telecommunication System, be called for short UMTS) land radio access web (Evolved Universal Mobile Telecommunication System Territorial Radio Access Network, be called for short E-UTRAN), the network such as UMTS Terrestrial radio access network (UMTS Territorial Radio Access Network is called for short UTRAN).
Mobile management device wherein can be (the Mobility Management Entity of the Mobility Management Entity in E-UTRAN, be called for short MME), can also be (the General Packet Radio Service of the service universal grouping wireless service in UTRAN, be called for short GPRS) equipment such as support node (Serving GPRS Supporting Node is called for short SGSN).
Family's access device wherein can be for the family in E-UTRAN evolved Node B (Home Evolved NodeB is called for short HeNB), can also be the equipment such as the home node-b in UTRAN (Home NodeB is called for short HNB).
For the method that the embodiment of the present invention is provided is clearer, below will be with E-UTRAN as an example.The schematic flow sheet of the processing method of the contextual information that the LIPA PDN that Fig. 4 provides for another embodiment of the present invention connects, as shown in Figure 4, the processing method of the contextual information that the LIPA PDN of the present embodiment connects can comprise:
401, UE and source MME (old MME) carry out alternately, carry out and set up PDN connection flow process;
Particularly, first, UE can adhere to by execution (Attach) flow process and be linked on the MME of source.Then, UE can connect (UE Requested PDN Connectivity) flow process by carrying out UE request PDN, sets up new PDN and connects, and in this process, UE has set up corresponding LIPA PDN simultaneously and connected.
402, there is overload phenomenon in source MME;
It should be noted that: above-mentioned 201 and 202 do not have strict sequencing restriction, that is to say, source MME occur overload phenomenon can appear at UE be linked into this MME before, among or afterwards, or the PDN that can also appear at UE connect set up before, among or afterwards.
When overload phenomenon occurs source MME, can, according to load balancing (Load Rebalancing) strategy, by the part or all of UE migration (also can become shunting, i.e. off-load) of service, to other MME, be target MME (new MME).
403, source MME and gateway (Serving Gateway is called for short SGW) carry out alternately, discharging access bearer;
For example: source MME is to SGW transmission release access bearer request (Release Access Bearers Request) message, and SGW returns and discharges access bearer response (Release Access Bearers Response) message to source MME.
404, source MME sends S1 interface UE context release command (S1 UE Context Release Command) message to HeNB, in this message, carry cause value, this cause value is that load balancing needs tracing section updating (Tracking Area Update is called for short TAU) (load balancing TAU Required);
405, HeNB sends RRC Connection Release (RRC Connection Release) message to UE, in this message, carries cause value, and this cause value is that load balancing needs TAU (load balancing TAU Required);
406, HeNB has discharged (S1 UE Context Release Complete) message to source MME transmission S1 interface UE context;
407, UE sends TAU request (TAU Request) message to HeNB, in this message, comprises indication information, is used to indicate the load balancing that above-mentioned TAU request message is source MME and triggers;
408, HeNB sends initial UE message (Initial UE message) or up NAS message transfer to target MME, comprises above-mentioned TAU request message in this message;
409, target MME is according to the indication information comprising in TAU request message, to source MME, sends context request (Context Request) message, comprises for asking the indication information of the contextual information that the LIPA PDN of above-mentioned UE connects in this message;
410, the indication information that based on context source MME comprises in request message, sends context response (Context Response) message to target MME, comprises the contextual information that the LIPA PDN of above-mentioned UE connects in this message;
Wherein, the address information that comprises LGW in the contextual information that the LIPA PDN of UE connects (for example: the IP address of LGW).
411, target MME sends context confirmation (Context Acknowledge) message to source MME;
412, target MME is sent and revises carrying request (Modify Bearer Request) message to PGW by SGW;
413, PGW is sent and revises carrying response (Modify Bearer Response) message to target MME by SGW;
414, target MME sends TAU to UE and accepts (Accepted) message.
So far, business is carried out in the LIPA PDN connection that UE sets up before can utilizing.
In the present embodiment, during source MME overload, target MME receives the indication information that UE sends, by target MME according to this indication information, to source MME, ask and obtain the contextual information of the LIPA PDN connection of above-mentioned UE, make UE can utilize the LIPA PDN of foundation before to connect and carry out business, other MME that can avoid moving to due to UE in prior art cannot get LIPAPDN that other MME that contextual information that the LIPA PDN that sets up before UE connects causes set up before cannot utilizing and connect and carry out the problem of business, thereby have improved service reliability.
The schematic flow sheet of the processing method of the contextual information that the LIPA PDN that Fig. 5 provides for another embodiment of the present invention connects, as shown in Figure 5, the processing method of the contextual information that the LIPA PDN of the present embodiment connects can comprise:
501, UE and source MME (old MME) carry out alternately, carry out and set up PDN connection flow process;
Particularly, first, UE can adhere to by execution (Attach) flow process and be linked on the MME of source.Then, UE can connect (UE Requested PDN Connectivity) flow process by carrying out UE request PDN, sets up new PDN and connects, and in this process, UE has set up corresponding LIPA PDN simultaneously and connected.
502, there is overload phenomenon in source MME;
It should be noted that: above-mentioned 201 and 202 do not have strict sequencing restriction, that is to say, source MME occur overload phenomenon can appear at UE be linked into this MME before, among or afterwards, or the PDN that can also appear at UE connect set up before, among or afterwards.
When overload phenomenon occurs source MME, can, according to load balancing (Load Rebalancing) strategy, by the part or all of UE migration (also can become shunting, i.e. off-load) of service, to other MME, be target MME (new MME).
503, source MME and gateway (Serving Gateway is called for short SGW) carry out alternately, discharging access bearer;
For example: source MME is to SGW transmission release access bearer request (Release Access Bearers Request) message, and SGW returns and discharges access bearer response (Release Access Bearers Response) message to source MME.
504, source MME sends S1 interface UE context release command (S1 UE Context Release Command) message to HeNB, in this message, carry cause value, this cause value is that load balancing needs tracing section updating (Tracking Area Update is called for short TAU) (load balancing TAU Required);
505, HeNB sends RRC Connection Release (RRC Connection Release) message to UE, in this message, carries cause value, and this cause value is that load balancing needs TAU (load balancing TAU Required);
506, HeNB has discharged (S1 UE Context Release Complete) message to source MME transmission S1 interface UE context;
507, UE sends Radio Resource to HeNB and controls (Radio Resource Control is called for short RRC) connection request (RRC Connection Request) message;
508, HeNB sends RRC connection to UE and sets up (RRC Connection Setup) message;
509, UE sends RRC connection to HeNB and has set up (RRC Connection Setup Complete) message, comprises TAU request (TAU Request) message in this message;
510, because the RRC parameter in RRC connection setup complete message does not comprise overall unique MME sign (Globally Unique MME Identifier, be called for short GUMMEI), HeNB sends initial UE message (Initial UE message) to target MME, in this message, comprise above-mentioned TAU request (TAU Request) message and indication information, be used to indicate the load balancing that above-mentioned TAU request message is source MME and trigger;
511, target MME is according to the indication information comprising in initial UE message, to source MME, sends context request (Context Request) message, comprises for asking the indication information of the contextual information that the LIPAPDN of above-mentioned UE connects in this message;
512, the indication information that based on context source MME comprises in request message, sends context response (Context Response) message to target MME, comprises the contextual information that the LIPA PDN of above-mentioned UE connects in this message;
Wherein, the address information that comprises LGW in the contextual information that the LIPA PDN of UE connects (for example: the IP address of LGW).
513, target MME sends context confirmation (Context Acknowledge) message to source MME;
514, target MME is sent and revises carrying request (Modify Bearer Request) message to PGW by SGW;
515, PGW is sent and revises carrying response (Modify Bearer Response) message to target MME by SGW;
516, target MME sends TAU to UE and accepts (Accepted) message.
So far, business is carried out in the LIPA PDN connection that UE sets up before can utilizing.
In the present embodiment, during source MME overload, target MME receives the indication information that HeNB sends, by target MME according to this indication information, to source MME, ask and obtain the contextual information of the LIPA PDN connection of above-mentioned UE, make UE can utilize the LIPA PDN of foundation before to connect and carry out business, other MME that can avoid moving to due to UE in prior art cannot get the LIPA PDN that other MME that contextual information that the LIPA PDN that sets up before UE connects causes set up before cannot utilizing and connect the problem of carrying out business, thereby improved service reliability.
It should be noted that: for aforesaid each embodiment of the method, for simple description, therefore it is all expressed as to a series of combination of actions, but those skilled in the art should know, the present invention is not subject to the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part of detailed description, can be referring to the associated description of other embodiment.
The structural representation of the mobile management device that Fig. 6 provides for another embodiment of the present invention, as shown in Figure 6, the mobile management device of the present embodiment can comprise migration units 61 and transmitting element 62.Wherein, migration units 61 is for the UE of above-mentioned mobile management device service is moved, and above-mentioned UE is carried out to mark, is used to indicate above-mentioned UE because load balancing is moved; Transmitting element 62 is for according to the information of migration units 61 marks, and the mobile management device moving to above-mentioned UE sends the contextual information that the LIPA PDN of above-mentioned UE connects.
The mobile management device that in embodiment corresponding to source mobile management device in embodiment corresponding to above-mentioned Fig. 1, above-mentioned Fig. 2, the function of source MME all can be provided by the present embodiment is realized.
Particularly, the migration units 61 in the present embodiment specifically can increase label information in the contextual information of above-mentioned UE, is used to indicate above-mentioned UE because load balancing is moved.
Wherein, the address information that comprises LGW in the contextual information that the LIPA PDN of above-mentioned UE connects, the address information of the LGW comprising in the contextual information that the mobile management device moving to for above-mentioned UE connects according to the LIPA PDN of above-mentioned UE, the contextual information that the LIPA PDN of above-mentioned UE is connected is processed.For example: when the address information of the LGW comprising when the contextual information that the address information of LGW that mobile management device that above-mentioned UE moves to obtains from family's access device and the LIPA PDN of above-mentioned UE are connected is inconsistent, the mobile management device that above-mentioned UE moves to can be deleted the contextual information of the LIPA PDN connection of above-mentioned UE, illustrates that variation has occurred really in the position of UE.
In the present embodiment, during mobile management device overload, by migration units, the UE of this mobile management device migration is carried out to mark, make the transmitting element can be according to the information of migration units mark, the mobile management device moving to above-mentioned UE sends the contextual information of the LIPA PDN connection of above-mentioned UE, make UE can utilize the LIPA PDN of foundation before to connect and carry out business, other mobile management devices that can avoid moving to due to UE in prior art cannot get the LIPA PDN that other mobile management devices that contextual information that the LIPA PDN that sets up before UE connects causes set up before cannot utilizing and connect the problem of carrying out business, thereby improved service reliability.
The structural representation of the mobile management device that Fig. 7 provides for another embodiment of the present invention, as shown in Figure 7, the mobile management device of the present embodiment can comprise receiving element 71, request unit 72 and obtain unit 73.Wherein, receiving element 71 is for receiving indication information, and above-mentioned indication information is used to indicate the contextual information connecting to the LIPA PDN of the above-mentioned UE of mobile management device request for above-mentioned UE service; The above-mentioned indication information of request unit 72 for receiving according to receiving element 71, to above-mentioned be the contextual information of LIPA PDN connection of the above-mentioned UE of mobile management device request of above-mentioned UE service; Obtain the contextual information that unit 73 connects for obtaining the LIPAPDN of the above-mentioned UE of the above-mentioned mobile management device transmission for above-mentioned UE service.
The mobile management device that in the embodiment that in embodiment corresponding to above-mentioned Fig. 3, target mobile management device, above-mentioned Fig. 4 and Fig. 5 are corresponding, the function of target MME all can be provided by the present embodiment is realized.
Alternatively, above-mentioned indication information can send for above-mentioned UE, above-mentioned indication information is carried in the location update request message of above-mentioned UE transmission, and above-mentioned location update request message is carried at above-mentioned family access device in the initial UE message of above-mentioned mobile management device transmission.
Alternatively, above-mentioned indication information can also send for above-mentioned family access device, and the location update request message that above-mentioned indication information and above-mentioned UE send is carried at above-mentioned family access device in the initial UE message of above-mentioned mobile management device transmission.For example: if the Radio Resource that family's access device receives is controlled (Radio Resource Control, abbreviation RRC) the RRC parameter in connection setup complete message does not comprise the temporary mark of UE, and this family's access device sends above-mentioned initial UE message to above-mentioned mobile management device.Wherein, the temporary mark of UE can include but not limited to overall unique MME sign (Globally Unique MME Identifier, be called for short GUMMEI) or packet TMSI (Packet Temporary Mobile Subscriber Indentity is called for short P-TMSI).
In the present embodiment, during for the mobile management device overload of UE service, the indication information receiving according to receiving element by request unit, to the mobile management device request for UE service and obtain the contextual information that the LIPA PDN of above-mentioned UE connects, make UE can utilize the LIPA PDN of foundation before to connect and carry out business, other mobile management devices that can avoid moving to due to UE in prior art cannot get the LIPA PDN that other mobile management devices that contextual information that the LIPA PDN that sets up before UE connects causes set up before cannot utilizing and connect the problem of carrying out business, thereby improved service reliability.
Those skilled in the art can be well understood to, for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
In the several embodiment that provide in the application, should be understood that, disclosed system, apparatus and method, can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, be only that a kind of logic function is divided, during actual realization, can have other dividing mode, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
The described unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in a plurality of network element.Can select according to the actual needs some or all of unit wherein to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form that also can adopt hardware to add SFU software functional unit realizes.
The integrated unit that the above-mentioned form with SFU software functional unit realizes, can be stored in a computer read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, comprise some instructions with so that computer equipment (can be personal computer, server, or the network equipment etc.) carry out the part steps of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (Read-Only Memory, be called for short ROM), the various media that can be program code stored such as random access memory (Random Access Memory is called for short RAM), magnetic disc or CD.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a processing method for the contextual information that local IP accessing group data net LIPA PDN connects, is characterized in that, comprising:
Source mobile management device moves the user equipment (UE) of described source mobile management device service, and described UE is carried out to mark, is used to indicate described UE because load balancing is moved;
Described source mobile management device is according to the information of described mark, and the target mobile management device moving to described UE sends the contextual information of the LIPA PDN connection of described UE;
Wherein, the address information that comprises local gateway LGW in the contextual information that the LIPA PDN of described UE connects; Described source mobile management device is according to the information of described mark, and the target mobile management device moving to described UE also comprises after sending the contextual information that the LIPA PDN of described UE connects:
When the address information of the LGW comprising when the contextual information that the address information of LGW that described target mobile management device obtains from family access device is connected with the LIPA PDN of described UE is inconsistent, described target mobile management device is deleted the contextual information of the LIPA PDN connection of described UE.
2. method according to claim 1, is characterized in that, described source mobile management device carries out mark to described UE, comprising:
Described source mobile management device increases label information in the contextual information of described UE, is used to indicate described UE because load balancing is moved.
3. a processing method for the contextual information that local IP accessing group data net LIPA PDN connects, is characterized in that, comprising:
The target mobile management device that user equipment (UE) moves to receives indication information, and described indication information is used to indicate the contextual information connecting to the LIPA PDN of UE described in the source mobile management device request for described UE service;
Described target mobile management device is according to described indication information, the contextual information connecting to the LIPA PDN of UE described in the mobile management device request of described source;
Described target mobile management device obtains the contextual information that the LIPAPDN of the described UE that described source mobile management device sends connects;
Wherein, described indication information is that described UE sends, and described indication information is carried in the location update request message of described UE transmission, and described location update request message is carried at family's access device in the initial UE message of described target mobile management device transmission; Or
Described indication information is that described family access device sends, and the location update request message that described indication information and described UE send is carried at described family access device in the initial UE message of described target mobile management device transmission.
4. method according to claim 3, is characterized in that, described initial UE message is that the RRC parameter of described family access device in the radio resource control RRC connection setup complete message receiving sends while not comprising the temporary mark of described UE.
5. a mobile management device, is characterized in that, comprising:
Migration units, for the user equipment (UE) of described mobile management device service is moved, and carries out mark to described UE, is used to indicate described UE because load balancing is moved;
Transmitting element, for according to the information of described migration units mark, the mobile management device moving to described UE sends the contextual information that the local IP accessing group data net LIPA PDN of described UE connects;
Wherein, the address information that comprises local gateway LGW in the contextual information that the LIPA PDN of described UE connects, when the address information of the LGW comprising in the contextual information that the address information of LGW obtaining for target mobile management device Dang Qicong family access device is connected with the LIPA PDN of described UE is inconsistent, described target mobile management device is deleted the contextual information of the LIPA PDN connection of described UE.
6. mobile management device according to claim 5, is characterized in that, described migration units specifically for
In the contextual information of described UE, increase label information, be used to indicate described UE because load balancing is moved.
7. a mobile management device, is characterized in that, comprising:
Receiving element, for receiving indication information, described indication information is used to indicate the contextual information connecting to the local IP accessing group data net LIPA PDN of UE described in the mobile management device request for user equipment (UE) service;
Request unit, for according to described indication information, to described be the contextual information that the LIPA PDN of UE connects described in the mobile management device request of described UE service;
Obtain unit, the contextual information connecting for obtaining the LIPA PDN of the described UE of the described mobile management device transmission for described UE service;
Wherein, described indication information is that described UE sends, and described indication information is carried in the location update request message of described UE transmission, and described location update request message is carried in the initial UE message of family's access device transmission; Or
Described indication information is that described family access device sends, and the location update request message that described indication information and described UE send is carried in the initial UE message of described family access device transmission.
8. mobile management device according to claim 7, it is characterized in that, described initial UE message is that the RRC parameter of described family access device in the radio resource control RRC connection setup complete message receiving sends while not comprising the temporary mark of described UE.
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| PCT/CN2011/078152 WO2012119377A1 (en) | 2011-08-09 | 2011-08-09 | Method for processing context information of lipa pdn connection and mobile management device |
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| EP3117639A2 (en) * | 2014-03-13 | 2017-01-18 | Interdigital Patent Holdings, Inc. | Local offload and small cell architecture (sca) |
| CN106879023B (en) * | 2015-12-10 | 2019-06-07 | 中兴通讯股份有限公司 | A kind of method and apparatus for realizing load sharing |
| WO2018018469A1 (en) | 2016-07-27 | 2018-02-01 | 华为技术有限公司 | User equipment context management method, device, and apparatus |
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