CN104717764A - Method and device for establishing LIPA/SIPTO connection - Google Patents
Method and device for establishing LIPA/SIPTO connection Download PDFInfo
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- CN104717764A CN104717764A CN201410766327.XA CN201410766327A CN104717764A CN 104717764 A CN104717764 A CN 104717764A CN 201410766327 A CN201410766327 A CN 201410766327A CN 104717764 A CN104717764 A CN 104717764A
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- base station
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/19—Connection re-establishment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
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Abstract
The invention discloses a method and device for establishing LIPA/SIPTO connection. The method includes the steps that when a base station supports the LIPA/SIPTO function, PDN connection of a terminal on the base station is acquired by an MME according to a preset strategy, signing information of the terminal is acquired, and when it is confirmed that the terminal supports the LIPA/SIPTO function according to the signing information, the PDN connection corresponding to the terminal is released; after the PDN connection is released, if the terminal starts a PDN connection request again, LIPA/SIPTO connection is established between the terminal and an LGW. The technical problem that common PDN connection can not be updated to be LIPA/SIPTO connection in real time is solved through the method and device.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of LIPA (Local IP Access, local IP access)/SIPTO (Selected IP Traffic Offload selects the unloading of IP flow) establishment of connection method and apparatus.
Background technology
Along with the fast development of mobile Internet, new business and being applied in is brought more while rich experience to user, and the increase of number of users and the raising of user data transmission speed all propose requirements at the higher level to the network element performance of core network.LIPA (Local IP Access, local IP access) and SIPTO (Selected IP Traffic Offload, select the unloading of IP flow) technology is propose based on HeNB (Home enhanced NodeB, Home eNodeB) at first.LIPA and SIPTO technology is the enhancing to HeNB function, user data delivery can directly be realized by HeNB completely, without the need to being delivered to the core network of operator again, business is directly shunted away from HeNB, like this while minimizing data delivery lag, decrease load and the transmission cost of core network, operator can by resource maximum using limited for core net, for valuable business provides better service, drastically increase Consumer's Experience.
From the network architecture, LIPA is used for HeNB, and SIPTO can be used for HeNB, also can be used for grand network.From the viewpoint of function and structure, the problem of LIPA with SIPTO@LN (SIPTO over the LocalNetwork) is similar, and the network architecture is also substantially identical.In LIPA and SIPTO@LN interconnection technique, LGW (Local Gateway, local gateway) instead of PGW, LGW and HeNB integrates, the traffic data realizing user directly accesses from base station, without the PGW (PDN Gateway, PDN Gateway) of core net.
In existing LIPA/SIPTO technology, if HeNB dynamically increases LIPA/SIPTO ability, after needing to wait until original common PDN Connection Release created, LIPA/SIPTO could be initiated connect, like this, it cannot real-time update be that LIPA/SIPTO connects that the common PDN originally created connects, and LTE (Long Term Evolution, Long Term Evolution) the consistently online characteristic of network, the shunting resource making the carrying of having set up cannot make full use of LIPA to bring.
Summary of the invention
Embodiments provide LIPA/SIPTO establishment of connection method and apparatus, in real time common PDN cannot be connected the technical problem being updated to LIPA/SIPTO and connecting at least to solve.
According to an aspect of the embodiment of the present invention, provide a kind of LIPA/SIPTO establishment of connection method, comprising:
When supporting LIPA/SIPTO function in base station, MME obtains the public data network PDN of described terminal on described base station according to preset strategy and connects;
Obtain the CAMEL-Subscription-Information of described terminal, wherein, described CAMEL-Subscription-Information is for representing whether described terminal supports described LIPA/SIPTO function;
When determining that according to described CAMEL-Subscription-Information described terminal supports described LIPA/SIPTO function, discharging PDN corresponding to described terminal and connecting;
After the described PDN of release connects, if described terminal initiates PDN connection request again, set up LIPA/SIPTO with LGW and be connected.
Preferably, before obtain the PDN connection of described terminal on described base station according to preset strategy, also comprise: receive the indication information that base station sends, wherein, described indication information is used to indicate described base station and supports LIPA/SIPTO function; Obtaining the PDN connection of described terminal on described base station according to preset strategy to comprise: when determining that according to described indication information described LIPA/SIPTO function is supported in described base station, triggering and obtaining the PDN connection of described terminal in described base station; Or,
Obtain the PDN connection of described terminal on described base station according to preset strategy to comprise: receive the control command of carrying Base Station Identification, when determining that according to described indication information described LIPA/SIPTO function is supported in described base station, obtaining the PDN of described terminal on the base station that described Base Station Identification is corresponding according to described control command and connecting.
Preferably, the indication information that MME reception base station sends comprises:
Receive the initial terminal message that described base station sends, wherein, described initial terminal message carries described indication information; Or,
Receive the up Non-Access Stratum NAS direct-sending message that described base station sends, wherein, described up NAS direct-sending message carries described indication information.
Preferably, before the PDN that the described terminal of release is corresponding connects, also comprise:
The LIPA/SIPTO obtaining local configuration connects prior information; Or, obtain described LIPA/SIPTO according to the CAMEL-Subscription-Information of described terminal and connect prior information;
The PDN connection discharging described terminal corresponding comprises: connect prior information according to described LIPA/SIPTO and trigger PDN connection corresponding to the described terminal of release.
Preferably, after determining that according to described indication information described LIPA/SIPTO function is supported in described base station, also comprise:
The PDN obtaining all the other terminals on described base station except described terminal connects;
Obtain the CAMEL-Subscription-Information of all the other terminals described, wherein, described CAMEL-Subscription-Information is for representing whether all the other terminals described support described LIPA/SIPTO function;
When determining that according to described CAMEL-Subscription-Information all the other terminals described support described LIPA/SIPTO function, the PDN connection that release all the other terminals described are corresponding;
After the PDN that release all the other terminals described are corresponding connects, if all the other terminals described initiate PDN connection request again, set up LIPA/SIPTO with LGW and be connected.
According to the another aspect of the embodiment of the present invention, additionally provide a kind of local IP and access LIPA/ selection IP flow unloading SIPTO establishment of connection device, be applied to MME, described device comprises:
Acquisition module, for base station support LIPA/SIPTO function time, obtain the public data network PDN of described terminal on described base station according to preset strategy to connect, and obtain the CAMEL-Subscription-Information of described terminal, wherein, described CAMEL-Subscription-Information is for representing whether described terminal supports described LIPA/SIPTO function;
Processing module, during for determining that at the CAMEL-Subscription-Information obtained according to described acquisition module described terminal supports described LIPA/SIPTO function, discharging PDN corresponding to described terminal and connecting;
Link block, for discharge described PDN connection in described processing module after, if terminal initiates PDN connection request again, sets up LIPA/SIPTO with LGW and is connected.
Preferably, also comprise: receiver module, for receiving the indication information that base station sends, and receive the control command of carrying Base Station Identification, wherein, described indication information is used to indicate described base station and supports LIPA/SIPTO function;
Described acquisition module, during for determining that at the indication information received according to described receiver module described LIPA/SIPTO function is supported in described base station, triggers obtaining the PDN of described terminal in described base station and connect; And obtain the PDN connection of described terminal on the base station that described Base Station Identification is corresponding according to the control command that described receiver module receives.
Preferably, described receiver module also for, receive described base station send initial terminal message, wherein, described initial terminal message carries described indication information; And receive the up Non-Access Stratum NAS direct-sending message of described base station transmission, wherein, described up NAS direct-sending message carries described indication information.
Preferably, described acquisition module also for, discharge before PDN corresponding to described terminal connect in described processing module, the LIPA/SIPTO obtaining local configuration connects prior information; And obtain described LIPA/SIPTO connection prior information according to the CAMEL-Subscription-Information of described terminal;
Described processing module is used for, and connects prior information trigger PDN connection corresponding to the described terminal of release according to described LIPA/SIPTO.
Preferably, described acquisition module also for, after determining that according to described indication information described LIPA/SIPTO function is supported in described base station, the PDN obtaining all the other terminals on described base station except described terminal connects, and obtain the CAMEL-Subscription-Information of all the other terminals described, wherein, described CAMEL-Subscription-Information is for representing whether all the other terminals described support described LIPA/SIPTO function;
Described processing module also for, when the CAMEL-Subscription-Information obtained according to described acquisition module determines that all the other terminals described support described LIPA/SIPTO function, PDN corresponding to release all the other terminals described connects;
Described link block also for, after the PDN that described processing module release all the other terminals described are corresponding connects, if all the other terminals described initiate PDN connection request again, set up LIPA/SIPTO with LGW and be connected.
In the embodiment of the present invention, base station is after increase LIPA/SIPTO function, current common PDN can be discharged in real time connect, and after terminal initiates PDN connection request again, complete LIPA/SIPTO establishment of connection, like this, base station is after increase LIPA/SIPTO function, current common PDN can be discharged in real time connect, and after terminal initiates PDN connection request again, complete LIPA/SIPTO establishment of connection, thus solve and in real time common PDN cannot be connected the technical problem being updated to LIPA/SIPTO and connecting.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is a kind of LIPA/SIPTO networking schematic diagram according to prior art;
Fig. 2 is the schematic diagram of a kind of LIPA/SIPTO establishment of connection method according to the embodiment of the present invention;
Fig. 3 is a kind of schematic diagram set up PDN and connect the Signalling exchange of flow process according to the embodiment of the present invention;
Fig. 4 is the schematic diagram of the Signalling exchange of a kind of load bearing deactivation flow process according to the embodiment of the present invention;
Fig. 5 is the schematic diagram of the Signalling exchange of a kind of attachment removal flow process according to the embodiment of the present invention;
Fig. 6 is a kind of schematic diagram set up LIPA/SIPTO and connect the Signalling exchange of flow process according to the embodiment of the present invention;
Fig. 7 is the schematic diagram of the another kind of LIPA/SIPTO establishment of connection method according to the embodiment of the present invention;
Fig. 8 is the schematic diagram of the another kind of LIPA/SIPTO establishment of connection method according to the embodiment of the present invention;
Fig. 9 is the schematic diagram of the another kind of LIPA/SIPTO establishment of connection method according to the embodiment of the present invention;
Figure 10 is the structural representation of a kind of LIPA/SIPTO establishment of connection device according to the embodiment of the present invention;
Figure 11 is the structural representation of the another kind of LIPA/SIPTO establishment of connection device according to the embodiment of the present invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
It should be noted that, the following embodiment of the present invention can be applied to a kind of LIPA (Local IPAccess, local IP access)/SIPTO (Selected IP Traffic Offload, select the unloading of IP flow) in networking, as shown in Figure 1, this networking comprises: terminal, base station, MME (MobilityManagement Entity, mobile management entity), SGW (Serving Gateway, gateway) and HSS (Home Subscriber Server, home subscriber subscribed services device) and LGW (LocalGateway, local gateway), wherein, this terminal is connected with base station, this base station can be Home eNodeB, this LGW is deployed on this base station, this base station is connected with this MME, this SGW is connected with this LGW, this MME is connected with this SGW and HSS respectively.
Provide a kind of method in the present embodiment, Fig. 2 is the flow chart of a kind of LIPA/SIPTO establishment of connection method according to the embodiment of the present invention, and as shown in Figure 2, this flow process comprises the steps:
S202, when supporting LIPA/SIPTO function in base station, MME obtains the PDN of this terminal on this base station (Public Data Network, public data network) according to preset strategy and connects;
S204, obtains the CAMEL-Subscription-Information of this terminal;
Wherein, this CAMEL-Subscription-Information is for representing whether this terminal supports this LIPA/SIPTO function;
S206, when determining that according to this CAMEL-Subscription-Information this terminal supports this LIPA/SIPTO function, discharging PDN corresponding to this terminal and connecting;
S208, after this PDN of release connects, if this terminal initiates PDN connection request again, sets up LIPA/SIPTO with LGW and is connected.
Pass through above-mentioned steps, base station is after increase LIPA/SIPTO function, current common PDN can be discharged in real time connect, and after terminal initiates PDN connection request again, complete LIPA/SIPTO establishment of connection, thus solve and in real time common PDN cannot be connected the technical problem being updated to LIPA/SIPTO and connecting.
Preferably, before obtain the PDN connection of this terminal on this base station according to preset strategy, receive the indication information that base station sends, wherein, this indication information is used to indicate this base station and supports LIPA/SIPTO function, and when determining that according to this indication information this LIPA/SIPTO function is supported in this base station, triggering the PDN of this terminal of acquisition in this base station and connecting; Or,
Receive the control command of carrying Base Station Identification, when determining that according to described indication information described LIPA/SIPTO function is supported in described base station, obtaining the PDN of described terminal on the base station that described Base Station Identification is corresponding according to described control command and connecting.
Wherein, MME is when determining that according to indication information this LIPA/SIPTO function is supported in base station, and the PDN that can be obtained on base station by two kinds of implementations is connected, and these two kinds of modes comprise:
Mode one: MME, when determining that according to indication information this LIPA/SIPTO function is supported in this base station, triggers the PDN of this terminal of acquisition in this base station and connects.
Mode two: MME receives the control command of carrying Base Station Identification, when determining that according to this indication information this LIPA/SIPTO function is supported in this base station, obtaining the PDN of this terminal on the base station that this Base Station Identification is corresponding connect according to this control command.
It should be noted that, mode one is with the difference of mode two, in mode one, MME is when determining that this LIPA/SIPTO function is supported in this base station, the PDN of this terminal in this base station can be obtained connect, and mode to be second MME need after receiving control command (as webmaster hand-guided), just can obtain the PDN of this terminal on the base station that this Base Station Identification is corresponding and connect.
Wherein, as shown in Figure 3, the signaling process that above-mentioned PDN connects comprises:
S301, terminal sends connection request message to base station.
S302, this connection request message is sent to MME by base station.
S303, MME, after receiving this connection request message, send to SGW and create session request.
This establishment session request is sent to PGW by S304, SGW.
S305, this PGW, after receiving this establishment session request, send to SGW and create conversational response.
This establishment conversational response is sent to MME by S306, SGW.
S307, MME, after receiving this establishment conversational response, send initial context and set up request to base station.
S308, base station, receiving this initial context foundation request, sends to terminal and creates bearer messages.
S309, terminal creates PDN according to this establishment carrying request by base station and connects.
Preferably, receive the initial terminal message that this base station sends, wherein, this initial terminal message carries this indication information; Or,
Receive up NAS (Non-access Stratum, the Non-Access Stratum) direct-sending message that this base station sends, wherein, this up NAS direct-sending message carries this indication information.
Wherein, when the initial terminal message sent in base station or up NAS message carry LGW address, then MME is receiving above-mentioned initial terminal message or up NAS message, then determine that LIPA/SIPTO function is supported in this base station.
Preferably, MME can complete the release of PDN connection by load bearing deactivation flow process or attachment removal flow process.
It should be noted that, when MME determines that the carrying of deexcitation is not last carrying of this terminal, then initiate load bearing deactivation flow process, when MME determines that the carrying of deexcitation is last carrying, then initiate attachment removal flow process, thus discharge PDN connection corresponding to this terminal, as shown in Figure 4, the signaling process of this load bearing deactivation comprises:
S401, MME send deleting bearing order to SGW.
This deleting bearing order is sent to PGW by S402, SGW.
S403, PGW, after receiving this deleting bearing order, send deleting bearing request to SGW.
This deleting bearing request is sent to MME by S404, SGW.
S405, MME, after receiving this deleting bearing request, send load bearing deactivation request to base station.
S406, this load bearing deactivation request is sent to terminal by base station.
Wherein, the cause value in this load bearing deactivation request is for re-creating, and terminal when determining this cause value for re-creating, then, after the current PDN of release connects, initiates PDN connection request again.
S407, terminal, after receiving this load bearing deactivation request, sends load bearing deactivation response to base station.
S408, the response of this load bearing deactivation is sent to MME by base station.
S409, MME, after receiving the response of this load bearing deactivation, send deleting bearing response to SGW.
The response of this deleting bearing is sent to PGW by S410, SGW.
Like this, complete load bearing deactivation flow process by above-mentioned steps S401 to S410, thus discharge PDN connection corresponding to this terminal.
As shown in Figure 5, the signaling process of this attachment removal comprises:
S501, MME send deleting bearing order to SGW.
This deleting bearing order is sent to PGW by S502, SGW.
S503, PGW, after receiving this deleting bearing order, send deleting bearing request to SGW.
This deleting bearing request is sent to MME by S504, SGW.
S505, MME, after receiving this deleting bearing request, send detach request to base station.
S506, this detach request is sent to terminal by base station.
Wherein, the cause value in this detach request is for re-creating, and terminal when determining this cause value for re-creating, then, after the current PDN of release connects, initiates PDN connection request again.
S507, terminal, after receiving this detach request, sends attachment removal response to base station.
S508, this attachment removal response is sent to MME by base station.
S509, MME, after receiving this attachment removal response, send deleting bearing response to SGW.
The response of this deleting bearing is sent to PGW by S510, SGW.
Like this, complete attachment removal flow process by above-mentioned steps S501 to S510, thus discharge PDN connection corresponding to this terminal.
Preferably, the LIPA/SIPTO obtaining local configuration connects prior information, and connects according to the PDN that this LIPA/SIPTO connection prior information triggers this terminal of release corresponding; Or, obtain this LIPA/SIPTO according to the CAMEL-Subscription-Information of this terminal and connect prior information, and connect according to the PDN that this LIPA/SIPTO connects this terminal of prior information triggering release corresponding.
It should be noted that, this LIPA/SIPTO connects prior information and can be configured in MME, also can be configured in the CAMEL-Subscription-Information of terminal, when this LIPA/SIPTO connection prior information is configured in MME, this MME can obtain this LIPA/SIPTO and connect prior information in the configuration of this locality, when this LIPA/SIPTO connection prior information is configured in the CAMEL-Subscription-Information of terminal, MME can obtain the CAMEL-Subscription-Information of this terminal from HSS, and from this CAMEL-Subscription-Information, obtain this LIPA/SIPTO connection prior information.
Wherein, as shown in Figure 6, this LIPA/SIPTO establishment of connection flow process comprises:
S601, terminal sends connection request message to base station.
S602, this connection request message is sent to MME by base station.
S603, MME, after receiving this connection request message, send to SGW and create session request.
This establishment session request is sent to LGW by S604, SGW.
S605, this LGW, after receiving this establishment session request, send to SGW and create conversational response.
This establishment conversational response is sent to MME by S606, SGW.
S607, MME, after receiving this establishment conversational response, send initial context and set up request to base station.
S608, base station, receiving this initial context foundation request, sends to terminal and creates bearer messages.
S609, terminal creates LIPA/SIPTO according to this establishment carrying request by base station and connects.
Preferably, after determining that according to this indication information this LIPA/SIPTO function is supported in this base station, the PDN obtaining all the other terminals on this base station except this terminal connects, obtain the CAMEL-Subscription-Information of these all the other terminals, wherein, this CAMEL-Subscription-Information is for representing whether these all the other terminals support this LIPA/SIPTO function, when determining that according to this CAMEL-Subscription-Information these all the other terminals support this LIPA/SIPTO function, discharge PDN corresponding to these all the other terminals to connect, and after the PDN that these all the other terminals of release are corresponding connects, if these all the other terminals initiate PDN connection request again, set up LIPA/SIPTO with LGW to be connected.Like this, when base station increases LIPA/SIPTO function newly, also decision-making can connect the need of connecting the PDN of all the other terminals on base station to discharge and set up LIPA/SIPTO, thus in real time the common PDN connection of all terminals on this base station is updated to LIPA/SIPTO connection.
Fig. 7 is a kind of according to another embodiment of the present invention flow chart of LIPA/SIPTO establishment of connection method, as shown in Figure 7, the application scenarios of this embodiment is under terminal never supports that the base station of LIPA/SIPTO function is moved to the base station supporting LIPA/SIPTO function, wherein, in the present embodiment, do not support that the base station of LIPA/SIPTO function is designated as the first base station, support that the base station of LIPA/SIPTO function is designated as the second base station, this flow process comprises the steps:
S701, terminal creates PDN by the first base station with PGW and is connected.
Wherein, PDN constructive process with reference to the flow process shown in above-mentioned Fig. 3, can repeat no more herein.
S702, terminal is moved to the second base station from the first base station, and by this PDN connection migration to the second base station.
S703, terminal sends location update message to the second base station.
S704, the initial terminal message of carrying LGW address, after receiving location update message, is sent to MME by the second base station.
Wherein, the initial terminal message that LGW address is carried to MME transmission in the second base station then represents that LIPA/SIPTO function is supported in this second base station.
S705, MME, when determining that according to the initial terminal message of carrying LGW address LIPA/SIPTO function is supported in this second base station, obtain the PDN of this terminal on this second base station and connect.
S706, MME obtain the CAMEL-Subscription-Information that this PDN connects corresponding terminal from HSS.
Wherein, this CAMEL-Subscription-Information represents that this terminal supports this LIPA/SIPTO function.
Preferably, the LIPA/SIPTO that MME obtains local configuration connects prior information, and connects according to the PDN that this LIPA/SIPTO connection prior information triggers this terminal of release corresponding; Or, obtain this LIPA/SIPTO according to the CAMEL-Subscription-Information of this terminal and connect prior information, and connect according to the PDN that this LIPA/SIPTO connects this terminal of prior information triggering release corresponding.
It should be noted that, this LIPA/SIPTO connects prior information and can be configured in MME, also can be configured in the CAMEL-Subscription-Information of terminal, when this LIPA/SIPTO connection prior information is configured in MME, this MME can obtain this LIPA/SIPTO and connect prior information in the configuration of this locality, when this LIPA/SIPTO connection prior information is configured in the CAMEL-Subscription-Information of terminal, MME can obtain the CAMEL-Subscription-Information of this terminal from HSS, and from this CAMEL-Subscription-Information, obtain this LIPA/SIPTO connection prior information.
S707, MME, when determining that according to this CAMEL-Subscription-Information this terminal supports this LIPA/SIPTO function, discharge PDN corresponding to this terminal and connect.
Wherein, if MME obtains this LIPA/SIPTO connect prior information, then the PDN that MME connects this terminal of prior information triggering release corresponding according to this LIPA/SIPTO connects.
Preferably, MME initiates load bearing deactivation flow process or initiates attachment removal flow process to discharge PDN connection corresponding to this terminal.
It should be noted that, when MME determines that the carrying of deexcitation is not last carrying of this terminal, then initiate load bearing deactivation flow process, when MME determines that the carrying of deexcitation is last carrying, then initiate attachment removal flow process, thus discharge PDN connection corresponding to this terminal, wherein, this load bearing deactivation flow process can the flow process shown in reference diagram 4, and this attachment removal flow process can the flow process shown in reference diagram 5, repeats no more herein.
S708, after this PDN of release connects, if terminal initiates the request of PDN connection establishment again, MME sets up LIPA/SIPTO according to LGW address with LGW and is connected.
Wherein, LIPA/SIPTO establishment of connection flow process can the embodiment shown in reference diagram 6, repeats no more herein.
It should be noted that, terminal determining to discharge the cause value in the load bearing deactivation request or detach request received in this PDN connection procedure for after re-creating, then initiates PDN connection request again.
Pass through above-mentioned steps, be moved to after the second base station from the first base station in terminal, the initial terminal message of carrying LGW address that MME can send according to the second base station determines that LIPA/SIPTO function is supported in this second base station, like this, current common PDN can be discharged in real time connect, and after terminal initiates PDN connection request again, complete LIPA/SIPTO establishment of connection, thus solve and in real time common PDN cannot be connected the technical problem being updated to LIPA/SIPTO and connecting.
Fig. 8 is a kind of according to another embodiment of the present invention flow chart of LIPA/SIPTO establishment of connection method, and as shown in Figure 8, this flow process comprises the steps:
S801, terminal creates PDN by base station with PGW and is connected.
Wherein, PDN constructive process with reference to the flow process shown in above-mentioned Fig. 3, can repeat no more herein.
S802, base station sends to MME the initial terminal message carrying LGW address or the up NAS direct-sending message carrying this LGW address is sent to MME.
Wherein, base station sends to MME and carries the initial terminal message of LGW address or up NAS direct-sending message then represents the current support in this base station LIPA/SIPTO function.
S803, MME, when determining that according to the initial terminal message or up NAS direct-sending message of carrying LGW address LIPA/SIPTO function is supported in this base station, obtain the PDN of this terminal on this base station and connect.
S804, MME obtain the CAMEL-Subscription-Information that this PDN connects corresponding terminal from HSS.
Wherein, this CAMEL-Subscription-Information represents that this terminal supports this LIPA/SIPTO function.
Preferably, the LIPA/SIPTO that MME obtains local configuration connects prior information, and connects according to the PDN that this LIPA/SIPTO connection prior information triggers this terminal of release corresponding; Or, obtain this LIPA/SIPTO according to the CAMEL-Subscription-Information of this terminal and connect prior information, and connect according to the PDN that this LIPA/SIPTO connects this terminal of prior information triggering release corresponding.
It should be noted that, this LIPA/SIPTO connects prior information and can be configured in MME, also can be configured in the CAMEL-Subscription-Information of terminal, when this LIPA/SIPTO connection prior information is configured in MME, this MME can obtain this LIPA/SIPTO and connect prior information in the configuration of this locality, when this LIPA/SIPTO connection prior information is configured in the CAMEL-Subscription-Information of terminal, MME can obtain the CAMEL-Subscription-Information of this terminal from HSS, and from this CAMEL-Subscription-Information, obtain this LIPA/SIPTO connection prior information.
S805, MME, when determining that according to this CAMEL-Subscription-Information this terminal supports this LIPA/SIPTO function, discharge PDN corresponding to this terminal and connect.
Wherein, if MME obtains this LIPA/SIPTO connect prior information, then the PDN that MME connects this terminal of prior information triggering release corresponding according to this LIPA/SIPTO connects.
Preferably, MME initiates load bearing deactivation flow process or initiates attachment removal flow process.
It should be noted that, when MME determines that the carrying of deexcitation is not last carrying of this terminal, then initiate load bearing deactivation flow process, when MME determines that the carrying of deexcitation is last carrying, then initiate attachment removal flow process, thus discharge PDN connection corresponding to this terminal, wherein, this load bearing deactivation flow process can the flow process shown in reference diagram 4, and this attachment removal flow process can the flow process shown in reference diagram 5, repeats no more herein.
S806, after this PDN of release connects, if terminal initiates the request of PDN connection establishment again, MME sets up LIPA/SIPTO according to LGW address with LGW and is connected.
Wherein, LIPA/SIPTO establishment of connection flow process can the embodiment shown in reference diagram 6, repeats no more herein.
It should be noted that, terminal determining to discharge the cause value in the load bearing deactivation request or detach request received in this PDN connection procedure for after re-creating, then initiates PDN connection request again.
Preferably, according to after determining that this LIPA/SIPTO function is supported in this base station, the PDN obtaining all the other terminals on this base station except this terminal connects, and obtain the CAMEL-Subscription-Information of these all the other terminals, wherein, this CAMEL-Subscription-Information is for representing whether these all the other terminals support this LIPA/SIPTO function, when determining that according to this CAMEL-Subscription-Information these all the other terminals support this LIPA/SIPTO function, discharge PDN corresponding to these all the other terminals to connect, and after the PDN that these all the other terminals of release are corresponding connects, if these all the other terminals initiate PDN connection request again, set up LIPA/SIPTO with LGW to be connected.Like this, when base station increases LIPA/SIPTO function newly, also decision-making can connect the need of connecting the PDN of all the other terminals on base station to discharge and set up LIPA/SIPTO, thus in real time the common PDN connection of all terminals on this base station is updated to LIPA/SIPTO connection.
Pass through above-mentioned steps, the initial terminal message of carrying LGW address that MME can send according to base station or up NAS direct-sending message determine that LIPA/SIPTO function is supported in this base station, like this, current common PDN can be discharged in real time connect, and after terminal initiates PDN connection request again, complete LIPA/SIPTO establishment of connection, thus solve and in real time common PDN cannot be connected the technical problem being updated to LIPA/SIPTO and connecting.Fig. 9 is a kind of according to another embodiment of the present invention flow chart of LIPA/SIPTO establishment of connection method, and as shown in Figure 9, in embodiments of the present invention, webmaster knows that current base station supports LIPA/SIPTO, and this flow process comprises the steps:
S901, terminal creates PDN by base station with PGW and is connected.
Wherein, PDN constructive process with reference to the flow process shown in above-mentioned Fig. 3, can repeat no more herein.
S902, MME obtain the control command of carrying Base Station Identification.
Wherein, this control command can pass through webmaster hand-guided, and such as, webmaster can open the switch be arranged on MME, thus makes MME obtain this control command.
S903, MME obtain the PDN of this terminal on the base station that this Base Station Identification is corresponding according to this control command and connect.
S904, MME obtain the CAMEL-Subscription-Information that this PDN connects corresponding terminal from HSS.
Wherein, this CAMEL-Subscription-Information represents that this terminal supports this LIPA/SIPTO function.
Preferably, the LIPA/SIPTO that MME obtains local configuration connects prior information, and connects according to the PDN that this LIPA/SIPTO connection prior information triggers this terminal of release corresponding; Or, obtain this LIPA/SIPTO according to the CAMEL-Subscription-Information of this terminal and connect prior information, and connect according to the PDN that this LIPA/SIPTO connects this terminal of prior information triggering release corresponding.
It should be noted that, this LIPA/SIPTO connects prior information and can be configured in MME, also can be configured in the CAMEL-Subscription-Information of terminal, when this LIPA/SIPTO connection prior information is configured in MME, this MME can obtain this LIPA/SIPTO and connect prior information in the configuration of this locality, when this LIPA/SIPTO connection prior information is configured in the CAMEL-Subscription-Information of terminal, MME can obtain the CAMEL-Subscription-Information of this terminal from HSS, and from this CAMEL-Subscription-Information, obtain this LIPA/SIPTO connection prior information.
S905, MME, when determining that according to this CAMEL-Subscription-Information this terminal supports this LIPA/SIPTO function, discharge PDN corresponding to this terminal and connect.
Wherein, if MME obtains this LIPA/SIPTO connect prior information, then the PDN that MME connects this terminal of prior information triggering release corresponding according to this LIPA/SIPTO connects.
Preferably, MME initiates load bearing deactivation flow process or initiates attachment removal flow process.
It should be noted that, when MME determines that the carrying of deexcitation is not last carrying of this terminal, then initiate load bearing deactivation flow process, when MME determines that the carrying of deexcitation is last carrying, then initiate attachment removal flow process, thus discharge PDN connection corresponding to this terminal, wherein, this load bearing deactivation flow process can the flow process shown in reference diagram 4, and this attachment removal flow process can the flow process shown in reference diagram 5, repeats no more herein.
S906, after this PDN of release connects, if terminal initiates the request of PDN connection establishment again, MME sets up LIPA/SIPTO according to LGW address with LGW and is connected.
Wherein, LIPA/SIPTO establishment of connection flow process can the embodiment shown in reference diagram 6, repeats no more herein.
It should be noted that, terminal determining to discharge the cause value in the load bearing deactivation request or detach request received in this PDN connection procedure for after re-creating, then initiates PDN connection request again.
Preferably, according to after determining that this LIPA/SIPTO function is supported in this base station, the PDN obtaining all the other terminals on this base station except this terminal connects, and obtain the CAMEL-Subscription-Information of these all the other terminals, wherein, this CAMEL-Subscription-Information is for representing whether these all the other terminals support this LIPA/SIPTO function, when determining that according to this CAMEL-Subscription-Information these all the other terminals support this LIPA/SIPTO function, discharge PDN corresponding to these all the other terminals to connect, and after the PDN that these all the other terminals of release are corresponding connects, if these all the other terminals initiate PDN connection request again, set up LIPA/SIPTO with LGW to be connected.Like this, when base station increases LIPA/SIPTO function newly, also decision-making can connect the need of connecting the PDN of all the other terminals on base station to discharge and set up LIPA/SIPTO, thus in real time the common PDN connection of all terminals on this base station is updated to LIPA/SIPTO connection.
By above-mentioned steps, MME, after receiving control command, completes LIPA/SIPTO establishment of connection, thus solves and in real time common PDN cannot be connected the technical problem being updated to LIPA/SIPTO and connecting.
Additionally provide a kind of LIPA/SIPTO establishment of connection device in the present embodiment, this device is used for realizing above-described embodiment and preferred implementation, has carried out repeating no more of explanation.As used below, term " module " can realize the software of predetermined function and/or the combination of hardware.Although the device described by following examples preferably realizes with software, hardware, or the realization of the combination of software and hardware also may and conceived.
Figure 10 is the structured flowchart of a kind of LIPA/SIPTO establishment of connection device 100 according to the embodiment of the present invention, and this application of installation is in MME, and as shown in Figure 10, this device 100 comprises:
Acquisition module 101, during for supporting LIPA/SIPTO function in base station, obtain the public data network PDN of this terminal on this base station according to preset strategy and connect, and obtain the CAMEL-Subscription-Information of this terminal, wherein, this CAMEL-Subscription-Information is for representing whether this terminal supports this LIPA/SIPTO function;
Processing module 102, during for determining that at the CAMEL-Subscription-Information obtained according to this acquisition module 101 this terminal supports this LIPA/SIPTO function, discharging PDN corresponding to this terminal and connecting;
Link block 103, for discharge this PDN connection in this processing module 102 after, if terminal initiates PDN connection request again, sets up LIPA/SIPTO with LGW and is connected.
Preferably, as shown in figure 11, this device 100 also comprises:
Receiver module 104, for receiving the indication information that base station sends, and receive the control command of carrying Base Station Identification, wherein, described indication information is used to indicate described base station and supports LIPA/SIPTO function;
This acquisition module 101, during for determining that at the indication information received according to this receiver module 104 this LIPA/SIPTO function is supported in this base station, triggers obtaining the PDN of this terminal in this base station and connect; And obtain the PDN connection of this terminal on the base station that this Base Station Identification is corresponding according to the control command that this receiver module 104 receives.Like this, MME can be obtained the PDN of terminal in this base station and connect by different modes, thus sets up LIPA/SIPTO connection flexibly.Preferably, this receiver module 104, for receiving the initial terminal message that this base station sends, wherein, this initial terminal message carries this indication information; And receive the up Non-Access Stratum NAS direct-sending message of this base station transmission, wherein, this up NAS direct-sending message carries this indication information.
Preferably, this acquisition module 101 also for, discharge before PDN corresponding to this terminal connect in this processing module 102, the LIPA/SIPTO obtaining local configuration connects prior information; And obtain this LIPA/SIPTO connection prior information according to the CAMEL-Subscription-Information of this terminal;
This processing module 102 for, connect prior information according to this LIPA/SIPTO and trigger PDN corresponding to this terminal of release and connect.
It should be noted that, this LIPA/SIPTO connects prior information and can be configured in MME, also can be configured in the CAMEL-Subscription-Information of terminal, when this LIPA/SIPTO connection prior information is configured in MME, this MME can obtain this LIPA/SIPTO and connect prior information in the configuration of this locality, when this LIPA/SIPTO connection prior information is configured in the CAMEL-Subscription-Information of terminal, MME can obtain the CAMEL-Subscription-Information of this terminal from HSS, and from this CAMEL-Subscription-Information, obtain this LIPA/SIPTO connection prior information.
Preferably, this acquisition module 101 also for, after determining that according to this indication information this LIPA/SIPTO function is supported in this base station, the PDN obtaining all the other terminals on this base station except this terminal connects, and obtain the CAMEL-Subscription-Information of these all the other terminals, wherein, this CAMEL-Subscription-Information is for representing whether these all the other terminals support this LIPA/SIPTO function;
This processing module 102 also for, when the CAMEL-Subscription-Information obtained according to this acquisition module 101 determines that these all the other terminals support this LIPA/SIPTO function, discharge PDN corresponding to these all the other terminals and connect;
This link block 103 also for, discharge after PDN corresponding to these all the other terminals connect in this processing module 102, if these all the other terminals initiate PDN connection request again, set up LIPA/SIPTO with LGW and be connected.
Like this, when base station increases LIPA/SIPTO function newly, also decision-making can connect the need of connecting the PDN of all the other terminals on base station to discharge and set up LIPA/SIPTO, thus in real time the common PDN connection of all terminals on this base station is updated to LIPA/SIPTO connection.
By adopting said apparatus, current common PDN can be discharged in real time connect, and after terminal initiates PDN connection request again, complete LIPA/SIPTO establishment of connection, thus solve and in real time common PDN cannot be connected the technical problem being updated to LIPA/SIPTO and connecting.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
In sum, mainly be applicable in the embodiment of the present invention terminal created common PDN connect after, under terminal never supports that the base station of LIPA/SIPTO is moved to the base station supporting LIPA/SIPTO function, or the new arrangement in the base station scene of LIPA/SIPTO function.Key step comprises as follows:
Step 1: created common PDN and connected, under terminal never supports that the base station of LIPA/SIPTO is moved to the base station supporting LIPA/SIPTO function, or the new arrangement in base station LIPA/SIPTO function.
Step 2:MME is according to the LIPA/SIPTO ability of base station, and whether terminal unit contractual information supports LIPA/SIPTO, and whether local exchange configures LIPA/SIPTO preferentially, determines that whether discharging common PDN connects.
Optionally, also can increase LIPA/SIPTO preferentially signing item in terminal unit contractual information, whether signing MME is preferential according to terminal LIPA/SIPTO, and determine that whether discharging common PDN connects, triggering terminal is initiated to create again, thus sets up LIPA/SIPTO connection.
Optionally, MME according to Base Station Identification, can connect initiation release by webmaster is manual to common PDN.
Step 3: user initiates new PDN connection request, sets up LIPA/SIPTO and connects.
For present terminal, the embodiment of the present invention can judge whether that needing to set up LIPA/SIPTO connects, and also can rejudge for bearer connections all under base station and connect the need of setting up LIPA/SIPTO.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. local IP accesses LIPA/ and selects an IP flow unloading SIPTO establishment of connection method, it is characterized in that, comprising:
When supporting LIPA/SIPTO function in base station, mobile management entity MME obtains the public data network PDN of described terminal on described base station according to preset strategy and connects;
Obtain the CAMEL-Subscription-Information of described terminal, wherein, described CAMEL-Subscription-Information is for representing whether described terminal supports described LIPA/SIPTO function;
When determining that according to described CAMEL-Subscription-Information described terminal supports described LIPA/SIPTO function, discharging PDN corresponding to described terminal and connecting;
After the described PDN of release connects, if described terminal initiates PDN connection request again, set up LIPA/SIPTO with local gateway LGW and be connected.
2. method according to claim 1, it is characterized in that, before obtain the PDN connection of described terminal on described base station according to preset strategy, also comprise: receive the indication information that base station sends, wherein, described indication information is used to indicate described base station and supports LIPA/SIPTO function; Obtaining the PDN connection of described terminal on described base station according to preset strategy to comprise: when determining that according to described indication information described LIPA/SIPTO function is supported in described base station, triggering and obtaining the PDN connection of described terminal in described base station; Or,
Obtain the PDN connection of described terminal on described base station according to preset strategy to comprise: receive the control command of carrying Base Station Identification, when determining that according to described indication information described LIPA/SIPTO function is supported in described base station, obtaining the PDN of described terminal on the base station that described Base Station Identification is corresponding according to described control command and connecting.
3. method according to claim 2, is characterized in that, the indication information that MME receives base station transmission comprises:
Receive the initial terminal message that described base station sends, wherein, described initial terminal message carries described indication information; Or,
Receive the up Non-Access Stratum NAS direct-sending message that described base station sends, wherein, described up NAS direct-sending message carries described indication information.
4. according to the method in claim 2 or 3, it is characterized in that, before the PDN that the described terminal of release is corresponding connects, also comprise:
The LIPA/SIPTO obtaining local configuration connects prior information; Or, obtain described LIPA/SIPTO according to the CAMEL-Subscription-Information of described terminal and connect prior information;
The PDN connection discharging described terminal corresponding comprises: connect prior information according to described LIPA/SIPTO and trigger PDN connection corresponding to the described terminal of release.
5. method according to claim 4, is characterized in that, after determining that according to described indication information described LIPA/SIPTO function is supported in described base station, also comprises:
The PDN obtaining all the other terminals on described base station except described terminal connects;
Obtain the CAMEL-Subscription-Information of all the other terminals described, wherein, described CAMEL-Subscription-Information is for representing whether all the other terminals described support described LIPA/SIPTO function;
When determining that according to described CAMEL-Subscription-Information all the other terminals described support described LIPA/SIPTO function, the PDN connection that release all the other terminals described are corresponding;
After the PDN that release all the other terminals described are corresponding connects, if all the other terminals described initiate PDN connection request again, set up LIPA/SIPTO with LGW and be connected.
6. local IP accesses LIPA/ and selects an IP flow unloading SIPTO establishment of connection device, and be applied to mobile management entity MME, it is characterized in that, described device comprises:
Acquisition module, for base station support LIPA/SIPTO function time, obtain the public data network PDN of described terminal on described base station according to preset strategy to connect, and obtain the CAMEL-Subscription-Information of described terminal, wherein, described CAMEL-Subscription-Information is for representing whether described terminal supports described LIPA/SIPTO function;
Processing module, during for determining that at the CAMEL-Subscription-Information obtained according to described acquisition module described terminal supports described LIPA/SIPTO function, discharging PDN corresponding to described terminal and connecting;
Link block, for discharge described PDN connection in described processing module after, if terminal initiates PDN connection request again, sets up LIPA/SIPTO with LGW and is connected.
7. device according to claim 6, is characterized in that, also comprises: receiver module, for receiving the indication information that base station sends, and receive the control command of carrying Base Station Identification, wherein, described indication information is used to indicate described base station and supports LIPA/SIPTO function;
Described acquisition module, during for determining that at the indication information received according to described receiver module described LIPA/SIPTO function is supported in described base station, triggers obtaining the PDN of described terminal in described base station and connect; And obtain the PDN connection of described terminal on the base station that described Base Station Identification is corresponding according to the control command that described receiver module receives.
8. device according to claim 7, is characterized in that, described receiver module also for, receive described base station send initial terminal message, wherein, described initial terminal message carries described indication information; And receive the up Non-Access Stratum NAS direct-sending message of described base station transmission, wherein, described up NAS direct-sending message carries described indication information.
9. the device according to claim 7 or 8, is characterized in that,
Described acquisition module also for, discharge before PDN corresponding to described terminal connect in described processing module, the LIPA/SIPTO obtaining local configuration connects prior information; And obtain described LIPA/SIPTO connection prior information according to the CAMEL-Subscription-Information of described terminal;
Described processing module is used for, and connects prior information trigger PDN connection corresponding to the described terminal of release according to described LIPA/SIPTO.
10. device according to claim 9, is characterized in that,
Described acquisition module also for, after determining that according to described indication information described LIPA/SIPTO function is supported in described base station, the PDN obtaining all the other terminals on described base station except described terminal connects, and obtain the CAMEL-Subscription-Information of all the other terminals described, wherein, described CAMEL-Subscription-Information is for representing whether all the other terminals described support described LIPA/SIPTO function;
Described processing module also for, when the CAMEL-Subscription-Information obtained according to described acquisition module determines that all the other terminals described support described LIPA/SIPTO function, PDN corresponding to release all the other terminals described connects;
Described link block also for, after the PDN that described processing module release all the other terminals described are corresponding connects, if all the other terminals described initiate PDN connection request again, set up LIPA/SIPTO with LGW and be connected.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410766327.XA CN104717764A (en) | 2014-12-11 | 2014-12-11 | Method and device for establishing LIPA/SIPTO connection |
| PCT/CN2015/084730 WO2016090923A1 (en) | 2014-12-11 | 2015-07-21 | Lipa/sipto connection establishment method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410766327.XA CN104717764A (en) | 2014-12-11 | 2014-12-11 | Method and device for establishing LIPA/SIPTO connection |
Publications (1)
| Publication Number | Publication Date |
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| CN104717764A true CN104717764A (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410766327.XA Withdrawn CN104717764A (en) | 2014-12-11 | 2014-12-11 | Method and device for establishing LIPA/SIPTO connection |
Country Status (2)
| Country | Link |
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| CN (1) | CN104717764A (en) |
| WO (1) | WO2016090923A1 (en) |
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| WO2016090922A1 (en) * | 2014-12-11 | 2016-06-16 | 中兴通讯股份有限公司 | Lipa/sipto connection establishment method and device |
| WO2016090923A1 (en) * | 2014-12-11 | 2016-06-16 | 中兴通讯股份有限公司 | Lipa/sipto connection establishment method and device |
| CN106432917A (en) * | 2016-10-18 | 2017-02-22 | 周佳瑜 | Novel polypropylene (PP) pipe and preparation method thereof |
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| KR101531531B1 (en) * | 2009-01-08 | 2015-07-07 | 삼성전자주식회사 | Method for connecting user equipment to local packet data network by evolved node b |
| KR101764203B1 (en) * | 2009-11-06 | 2017-08-16 | 삼성전자주식회사 | Method and apparatus for setupping common uplink bearer in wireless communication network |
| CN104717764A (en) * | 2014-12-11 | 2015-06-17 | 中兴通讯股份有限公司 | Method and device for establishing LIPA/SIPTO connection |
| CN104703293B (en) * | 2014-12-11 | 2019-11-29 | 南京中兴软件有限责任公司 | A kind of LIPA/SIPTO establishment of connection method and apparatus |
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- 2014-12-11 CN CN201410766327.XA patent/CN104717764A/en not_active Withdrawn
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| US20120184266A1 (en) * | 2010-01-11 | 2012-07-19 | Research In Motion Limited | System and method for enabling discovery of local service availability in local cellular coverage |
| CN103828409A (en) * | 2011-04-01 | 2014-05-28 | 交互数字专利控股公司 | Local/remote ip traffic access and selective ip traffic offload service continuity |
| CN102892211A (en) * | 2011-07-22 | 2013-01-23 | 华为终端有限公司 | Traffic offloading method and mobile management entity |
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| WO2016090922A1 (en) * | 2014-12-11 | 2016-06-16 | 中兴通讯股份有限公司 | Lipa/sipto connection establishment method and device |
| WO2016090923A1 (en) * | 2014-12-11 | 2016-06-16 | 中兴通讯股份有限公司 | Lipa/sipto connection establishment method and device |
| CN106432917A (en) * | 2016-10-18 | 2017-02-22 | 周佳瑜 | Novel polypropylene (PP) pipe and preparation method thereof |
| CN106432917B (en) * | 2016-10-18 | 2018-12-18 | 杭州鼎好新材料有限公司 | A kind of PP tubing and preparation method thereof |
Also Published As
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| WO2016090923A1 (en) | 2016-06-16 |
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