CN103517452B

CN103517452B - Method and device for building service connection

Info

Publication number: CN103517452B
Application number: CN201310456940.7A
Authority: CN
Inventors: 孙小兵
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2013-09-29
Filing date: 2013-09-29
Publication date: 2017-01-25
Anticipated expiration: 2033-09-29
Also published as: CN103517452A; WO2015043494A1

Abstract

The embodiment of the invention provides a method and device for building service connection. According to a received unicast access terminal identifier carried in received direct-jump request messages, if the fact that session information corresponding to a terminal is stored in an adjacent evolvement access network is confirmed, the session information is obtained from the adjacent evolvement access network, and then the connection between the network and the terminal is built according to the session information. Therefore, the method and device for building the service connection can guarantee that the session information of the terminal already exists in the current evolvement access network when the service connection is built for the current evolvement access network and the terminal, and therefore service connection failures caused by the lack of the session information can be avoided.

Description

A kind of business connection establishment method and device

Technical field

The present invention relates to the communications field, more particularly, to a kind of business connection establishment method and device.

Background technology

When the access terminal (evolved access terminal, eat) being in lte network needs the high speed to evolution When grouped data (evolved high rate packet data, ehrpd) network carries out activated state optimization switching, the company of receiving The access network (evolved access network, ean) connecing the evolution of request and routing update message may be with described eat Ean registered in advance is different, therefore, lacks the corresponding meeting of described eat in receiving connection request and the ean of routing update message Words information, therefore, can lead to receive the failure of the service connection of ean and described eat of connection request and routing update message.

Content of the invention

In view of this, a kind of business connection establishment method and device are embodiments provided it is therefore intended that solving to work as Eat from lte network to ehrpd network carry out activated state optimization switching when, due to lacking the corresponding meeting of described eat in target ean Words information, and between target ean leading to and described eat service connection failure problem.

First aspect provides a kind of business connection establishment method, comprising:

According to the Unicast Access Termination Identifier carrying in the direct transfer request message receiving, determine described terminal The storage location of corresponding session information, described direct transfer request message is used for carrying connection request and the route of terminal transmission New information；

If the storage location of described session information is the access network of adjacent evolution, from described adjacent evolution Access network obtains described session information；

According to described connection request and routing update message and described session information, set up and the business of described terminal room connects Connect.

In the first possible implementation of first aspect, the described access network from described adjacent evolution obtains Described session information includes:

By the session signaling interface between described adjacent evolution accessing network, to the access network of described adjacent evolution Network sends the Information Request carrying Unicast Access Termination Identifier 128 information, in order to described adjacent evolution Access network according to session information described in described Unicast Access Termination Identifier 128 information searching；

The access network receiving described adjacent evolution carries described session letter by what described session signaling interface sent The session information response message of breath；

Described session information is obtained from described session information response message.

In conjunction with the first possible implementation of first aspect, in the possible implementation of the second of first aspect In, also include: the interface between by Mobility Management Entity, send Unicast Access Termination Identifier assignment to described terminal Message, in order to update the Unicast Access Termination Identifier of the session of described terminal；

Receive the Unicast Access Termination Identifier completion message of described terminal replies.

In conjunction with first aspect first or the possible implementation of second, in the third possible realization of first aspect In mode, the session signaling interface between the access network of described and described adjacent evolution includes:

a13；

Described interface and between Mobility Management Entity includes:

s101.

In conjunction with the possible implementation of first or second of first aspect or first aspect, at the 4th kind of first aspect In possible implementation, the described session information according to described connection request and routing update message and described terminal, set up Include with the service connection of described terminal room:

If judge the access network of described adjacent evolution according to described Unicast Access Termination Identifier completion message Packet Control Function and gateway between there is business interface, then by the Packet Control Function of the access network of described adjacent evolution Business interface and between gateway migrates as the business interface between current Packet Control Function and described gateway；

According to described connection request and routing update message and described session information, set up the sky being connected with described terminal room Mouth resource and the business interface and between described current Packet Control Function；

Activate the business interface between described current Packet Control Function and described gateway.

In conjunction with the 4th kind of possible implementation of first aspect, in the 5th kind of possible implementation of first aspect In, the business interface between the Packet Control Function of the described access network by described adjacent evolution and gateway migrates as current Business interface between Packet Control Function and described gateway includes:

Send and carry the a9 of pdsn ip address information and set up a8 message to described current Packet Control Function, in order to Described current Packet Control Function sends a11 login request message to described gateway, and described a11 login request message is used for touching Send out gateway described and initiate pmip binding to p-gw and update, reply a11 registration reply message to described current Packet Control Function And send a11 registration update message to the Packet Control Function of the access network of described adjacent evolution, in order to described adjacent The access network of evolution discharge the business interface between its Packet Control Function and described gateway；

Receive the a9 release a8 completion message that described current Packet Control Function sends.

In conjunction with the 5th kind of possible implementation of first aspect, in the 6th kind of possible implementation of first aspect In, described according to described connection request with routing update message and described session information, set up the sky being connected with described terminal room Mouth resource and the business interface and between described current Packet Control Function include:

According to described connection request and routing update message, set up interface-free resources；

Send data be designated as 1 and carry p-gw ip address and generalized routing protocol mark a9 set up a8 message to institute State current Packet Control Function, send a11 registration request in order to described current Packet Control Function to described gateway and disappear Breath, described a11 login request message is used for described gateway when supporting s103, replys to described current Packet Control Function and takes Distribute s103ip address and the a11 registration reply message of generalized routing protocol mark with described gateway；

Receive the a9 connection a8 message that described current Packet Control Function sends；

Sent to described terminal by s101 and carry described gateway and distribute s103ip address and generalized routing protocol mark Traffic Channel Assignment message.

In conjunction with the possible implementation of first or second of first aspect or first aspect, at the 7th kind of first aspect In possible implementation, the described session information according to described connection request and routing update message and described terminal, set up Include with the service connection of described terminal room:

If judge the access network of described adjacent evolution according to described Unicast Access Termination Identifier completion message Packet Control Function and gateway between there is not business interface, then according to described connection request and routing update message and described Session information, sets up the business interface between the interface-free resources being connected with described terminal room and described current Packet Control Function And the business interface between described current Packet Control Function and gateway；

Activate the business interface between described current Packet Control Function and gateway.

In conjunction with the 7th kind of possible implementation of first aspect, in the 8th kind of possible implementation of first aspect In, described according to described connection request with routing update message and described session information, set up the sky being connected with described terminal room Between the business interface between mouth resource and described current Packet Control Function and described current Packet Control Function and gateway Business interface includes:

Send a9 and set up a8 message to described current Packet Control Function, in order to described current Packet Control Function Send a11 login request message to described gateway, described a11 login request message is used for described gateway and is supporting s103 interface When, send to described current Packet Control Function and carry described gateway and distribute s103ip address and generalized routing protocol mark A11 registration reply message, sends a9 in order to described current Packet Control Function and connects a8 message；

Sent to described terminal by s101 and carry described gateway and distribute s103ip address and generalized routing protocol mark Traffic Channel Assignment message；

In conjunction with first aspect the 7th or the 8th kind of possible implementation, in the 9th kind of possible realization of first aspect In mode, the described business interface activating between described current Packet Control Function and gateway includes:

After receiving the Traffic Channel completion message that described terminal is responded, send a9 to described current Packet Control Function Update a8 message, pass through to assemble a11 login request message to described gateway in order to described current Packet Control Function, notify Business interface between current Packet Control Function and described gateway described in described gateway activation is so that described gateway is set up and institute The pmip stating between p-gw connects, and replys a11 registration reply message to described current Packet Control Function；

Receive described current Packet Control Function and update a8 confirmation message according to the a9 that a11 registration reply message sends.

Second aspect provides a kind of service connection and sets up device, comprising:

Session information location determining module, for according to the point cast carrying in the direct transfer request message receiving Access terminal identification, determines the storage location of the corresponding session information of described terminal, and described direct transfer request message is used for holding Connection request and routing update message that mounted terminal sends；

Session information acquisition module, if for described session information storage location be adjacent evolution access network Network, then obtain described session information from the access network of described adjacent evolution；

Service connection sets up module, for according to described connection request and routing update message and described session information, building The vertical service connection with described terminal room.

In the first possible implementation of second aspect, described session information acquisition module includes:

First transmitting element, for by the session signaling interface between described adjacent evolution accessing network, to described The access network of adjacent evolution sends the Information Request carrying Unicast Access Termination Identifier 128 information, with The access network being easy to described adjacent evolution is believed according to session described in described Unicast Access Termination Identifier 128 information searching Breath；

First receiving unit, the access network for receiving described adjacent evolution is sent by described session signaling interface The session information response message carrying described session information；

Acquiring unit, for obtaining described session information from described session information response message.

In conjunction with the first possible implementation of second aspect, in the possible implementation of the second of second aspect In, also include:

Second transmitting element, for the interface between by Mobility Management Entity, sends point cast to described terminal Access terminal identification assignment message, in order to update the Unicast Access Termination Identifier of the session of described terminal；

Second receiving unit, for receiving the Unicast Access Termination Identifier completion message of described terminal replies.

In conjunction with the first possible implementation of second aspect, in the third possible implementation of second aspect In, described service connection is set up module and is included:

Interface acquiring unit, if described adjacent for judging according to described Unicast Access Termination Identifier completion message The Packet Control Function of the access network of evolution and gateway between there is business interface, then by the access network of described adjacent evolution Business interface between the Packet Control Function of network and gateway migrates as the business between current Packet Control Function and described gateway Interface；

First connection establishment unit, for according to described connection request and routing update message and described session information, building The vertical interface-free resources being connected with described terminal room and the business interface and between described current Packet Control Function；

Activation unit, for activating the business interface between described current Packet Control Function and described gateway.

In conjunction with the third possible implementation of second aspect, in the 4th kind of possible implementation of second aspect In, described interface acquiring unit includes:

First transmission subelement, the a9 for sending the pdsn ip address information carrying gateway sets up a8 message to described Current Packet Control Function, sends a11 login request message in order to described current Packet Control Function to described gateway, Described a11 login request message is used for triggering described gateway to p-gw initiation pmip binding renewal, to described current packet control Function processed replys a11 registration reply message and the Packet Control Function to the access network of described adjacent evolution sends a11 note Volume new information, the access network in order to described adjacent evolution discharges the business between its Packet Control Function and described gateway Interface；

First receiving subelement, for receiving the a9 release a8 completion message that described current Packet Control Function sends.

In conjunction with second aspect the 3rd or the 4th kind of possible implementation, in the 5th kind of possible realization of second aspect In mode, described first connection establishment unit includes:

First interface-free resources set up subelement, eat dishes without rice or wine to provide for according to described connection request and routing update message, setting up Source；

Second transmission subelement, is designated as 1 and carries p-gw ip address and generalized routing protocol mark for sending data A9 set up a8 message give described current Packet Control Function, in order to described current Packet Control Function to described gateway Send a11 login request message, described a11 login request message is returned to described current Packet Control Function for described gateway Carry described gateway again and distribute s103ip address and the a11 registration reply message of generalized routing protocol mark；

Second receiving subelement, connects a8 message for receiving the a9 that described current Packet Control Function sends；

3rd transmission subelement, for sent to described terminal by s101 carry described gateway distribute s103ip address and The Traffic Channel Assignment message of generalized routing protocol mark.

In conjunction with second aspect, in the 6th kind of possible implementation of second aspect, described service connection sets up module Including:

Second connection establishment unit, if described for judging according to described Unicast Access Termination Identifier completion message There is not business interface, then according to described connection request between the Packet Control Function of the access network of adjacent evolution and gateway With routing update message and described session information, set up the interface-free resources being connected with described terminal room and described current packet Business interface between control function and the business interface between described current Packet Control Function and gateway；

Activation unit, for activating the business interface between described current Packet Control Function and gateway.

In conjunction with the 6th kind of possible implementation of second aspect, in the 7th kind of implementation of second aspect, described Second connection establishment unit includes:

Second interface-free resources set up subelement, eat dishes without rice or wine to provide for according to described connection request and routing update message, setting up Source；

4th transmission subelement, sets up a8 message to described current Packet Control Function for sending a9, in order to institute State current Packet Control Function and send a11 login request message to described gateway, described a11 login request message is used for described Gateway when supporting s103 interface, send to described current Packet Control Function carry described gateway distribution s103ip address and The a11 registration reply message of generalized routing protocol mark, sends a9 connection a8 in order to described current Packet Control Function and disappears Breath；

3rd receiving subelement, connects a8 message for receiving the a9 that described current Packet Control Function sends；

5th transmission subelement, for sent to described terminal by s101 carry described gateway distribute s103ip address and The Traffic Channel Assignment message of generalized routing protocol mark.

In conjunction with second aspect the 6th or the 7th kind of possible implementation, in the 8th kind of implementation of second aspect In, described activation unit includes:

6th transmission subelement, after receiving the Traffic Channel completion message that described terminal is responded, to described current dividing Group control function sends a9 and updates a8 message, is disappeared by assembling a11 registration request in order to described current Packet Control Function Cease to described gateway, notify the business interface between current Packet Control Function described in described gateway activation and described gateway, make Obtain described gateway and set up and be connected with the pmip between described p-gw, and reply a11 registration to described current Packet Control Function and ring Answer message；

4th receiving subelement, sends according to a11 registration reply message for receiving described current Packet Control Function A9 update a8 confirm message.

Business connection establishment method described in the embodiment of the present invention and device, according to the direct transfer request message receiving In the Unicast Access Termination Identifier that carries if it is determined that the corresponding session information of described terminal is stored in connected evolution Access network, then obtain described session information from the access network of adjacent evolution, then set up and institute according to described session information State the connection of terminal room it is seen then that the method and device that provides of the present invention, ensure that the access network of current evolution with end When service connection is set up at end, there is the session information of terminal in the current access network of evolution such that it is able to avoid because lacking The service connection failure lacked session information and lead to.

Brief description

In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable Other accompanying drawings are obtained according to these accompanying drawings.

Fig. 1 is a kind of flow chart of business connection establishment method disclosed in the embodiment of the present invention；

Fig. 2 is the flow chart of the embodiment of the present invention another business connection establishment method disclosed；

Fig. 3 is the flow chart of the embodiment of the present invention another business connection establishment method disclosed；

Fig. 4 is the flow chart of the embodiment of the present invention another business connection establishment method disclosed；

Fig. 5 sets up the structural representation of device for a kind of service connection disclosed in the embodiment of the present invention；

Fig. 6 is the structural representation that the embodiment of the present invention another service connection disclosed sets up device；

Fig. 7 is the structural representation that the embodiment of the present invention another service connection disclosed sets up device；

Fig. 8 is a kind of structural representation of network controller disclosed in the embodiment of the present invention.

Specific embodiment

The embodiment of the invention discloses a kind of business connection establishment method and device, its central inventive point is, works as terminal Carry out activated state optimization switching from lte network to the access network of evolution it may be assumed that the access network of described evolution and described terminal are built During vertical service connection, first determine the storage location of the corresponding session information of described terminal, if it is stored in the phase of objective network Adjacent network, then obtain described session information from adjacent networks, thus ensureing that the access network of the evolution of target and terminal are set up During service connection, will not lead to the failure because lacking session information.

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work Embodiment, broadly falls into the scope of protection of the invention.

A kind of business connection establishment method disclosed in the embodiment of the present invention, as shown in Figure 1, comprising:

S101: according to the list carrying in direct transfer request (the direct transfer request) message receiving Point broadcast access terminal identification (unicast access termination identifier, uati) determines described terminal-pair The storage location of the session information answered；

Generally, direct transfer request message is sent by s101 interface internetwork with ehrpd by lte network, is used for Carry connection request and the routing update message connectionrequest+routeupdate message that terminal sends.

S102: if the storage location of described session information is the access network of adjacent evolution, from described adjacent The access network of evolution obtains described session information；

Generally, the corresponding session information of terminal being connected with requested service is included: uati, imsi, configuring negotiation parameter.? The offer Traffic Channel that act as during business is set up sets up required parameter information.

S103: according to described connectionrequest+routeupdate message and described terminal corresponding session letter Breath, sets up the service connection with described terminal room.

In prior art, the quantity of the ean network adjacent with lte network can be two or more, therefore, terminal The ean network of pre-registration can with the ean network sending connectionrequest+routeupdate message request service connection Can not be that consolidated network (after for example, terminal completes pre-registration when an ean network stops, is moved to the 2nd ean net Network, sends connectionrequest+routeupdate message to the 2nd ean network, request is from lte network switching to second Ean network), then there is not terminal pre-registration in the ean network receiving connectionrequest+routeupdate message When the session information that produces, therefore, it is impossible to carry out the connection of business.

And the business connection establishment method described in the present embodiment, as the connectionrequest+ receiving terminal transmission During routeupdate message, before setting up service connection, first determine the storage location of the corresponding session information of terminal, if Session information is stored in the access network of adjacent evolution, then by after session information transfer to the access network of current evolution, Resettle the service connection with terminal room, thus avoiding the failure of service connection leading to because lacking session information.

The embodiment of the present invention another business connection establishment method disclosed, is applied to following scene: eat from lte network Switch over to target ean network, as shown in Figure 2, comprising:

When s201: target ean network receives the connectionrequest+routeupdate message of eat transmission, according to According to the uati carrying in connectionrequest+routeupdate message, determine the storage position of the corresponding session information of eat Put；

S202: if the storage location of described session information is the adjacent ean of target ean, target ean by with described Session signaling interface between adjacent ean, sends, to described adjacent ean, the Information Request carrying uati128 information (session information request) message, in order to described adjacent ean according to described uati128 information searching Described session information；

In the present embodiment, the preferred a13 of session signaling interface between described adjacent ean, then Information Request For a13session information request message.

S203: target ean receives the session information response carrying described session information that adjacent ean is sent by a13 (session information response) message, i.e. a13session information response message；

S204: target ean obtains described session information from described session information response message；

S205: target ean by Mobility Management Entity between (mobility management entity, mme) Interface, sends Unicast Access Termination Identifier assignment (uatiassigment) message to described eat, described in order to update The uati of the session of eat；

In the present embodiment, target ean by mme between interface can be equally s101.

S206: the Unicast Access Termination Identifier receiving described eat reply completes (uaticomplete) message；

In the present embodiment, step s202 to s206 completes the process that target ean obtains session information from adjacent ean, will Session information moves to the process of target ean from adjacent ean.

S207: target ean according to described connectionrequest+routeupdate message and described session information, Set up the service connection and between described eat.

Generally, set up service connection between ean and eat to specifically include: set up the interface-free resources and between eat, set up with ean's Business interface between the Packet Control Function (evolved packet control function, epcf) of evolution and epcf with Business interface between hrpd gateway (hrpd serving gateway, hsgw).Wherein, the business interface and between epcf can Think that the business interface between a8, epcf and hsgw can be a10.

That is, the business that the foundation completing above interface completes between ean and eat is set up.

Service establishing method described in the present embodiment, focuses on that target ean obtains the corresponding session of eat from adjacent ean The process of information, thus set up service connection for target ean with eat provide safeguard.

Generally, in pre-registration, the business interface between epcf and hsgw of pre-registration ean may have built up it is also possible to It is not set up, below for both different situations, the method described in the embodiment of the present invention is specifically described.

The embodiment of the present invention another business connection establishment method disclosed, as shown in Figure 3, comprising:

S301:eat is in business state under lte network, and enodeb is according to receiving the measurement data judgement needs that eat reports Initiate switching, instruction eat is switched to ehrpd network；

S302:eat receives enodeb switching instruction, initiates switching, sends connectionrequest+ by tunnel Routeupdate message is to target ean；

In the present embodiment, described tunnel can be the s101 tunnel of lte network and ehrpd network.

In practical application, connectionrequest+routeupdate message can be encapsulated in ul handover In preparation transfer message, enodeb is issued by eat, after enodeb receives, can be by Connectionrequest+routeupdate message is encapsulated in uplink s1cdma2000tunnellin message and issues Connectionrequest+routeupdate message is encapsulated in direct transfer request message by mme by mme In be sent to target ean.

S303: target ean is received by s101 and caches connectionrequest+routeupdate message, and root Determine depositing of the corresponding conversation message of eat according to the uati carrying in described connectionrequest+routeupdate message Storage space is put；

S304: when the storage location that target ean determines the corresponding conversation message of eat is adjacent ean, to adjacent Ean sends a13session information request message；

S305: adjacent ean receives a13session information request message, and carry according in message Session information described in uati128 information searching；

S306: adjacent ean sends a13session information response message to target ean, wherein takes Carry described session information；

S307: target ean obtains described session information from described session information response message；

S308: target ean issues uatiassigment message by s101；

In practical application, uatiassigment message can be encapsulated in direct transfer by target ean Mme is issued, mme sends direct transfer response message to target ean in request message, and will Uatiassigment message is encapsulated in downlink s1cdma2000tunnellin message and issues mme, will by mme Uatiassigment message is encapsulated in dlinformation transfer message and is sent to eat.

After s309:eat receives uatiassigment message under lte network, send uaticomplete to target ean Message；

In practical application, uaticomplete message can be encapsulated in ulinformation transfer message by eat In be sent to enodeb, uaticomplete message can be encapsulated in uplink s1cdma2000tunnellin and disappear by enodeb Issue mme in breath, by mme, uaticomplete message is encapsulated in direct transfer request message and is sent to Target ean.After target ean receives, send direct transfer response message to mme, and send out to adjacent ean Send a13session information conform message.

After the execution of step s309, complete to obtain the process of session information from adjacent ean.

After s310: target ean receives uaticomplete message, judge there is industry between adjacent epcf and hsgw of ean Business interface a10；

S311: target ean sends and carries the a9 of pdsn ip address information and set up a8(a9setup a8) message is to current Epcf it may be assumed that the epcf of target ean, in the present embodiment, abbreviation target epcf；

Wherein, a9 is the signaling interface between target ean and target epcf, for carrying between target ean and target epcf Signalling exchange.

After s312: target epcf receives a9setup a8 message, send a11 registration request to hsgw (a11registration request) message；

After s313:hsgw receives a11registration request message, initiate pmip binding to p-gw and update；

S314:hsgw replys a11 registration response (a11registration reply) message to target epcf；

S315:hsgw sends a11 register update (a11registration update) message to adjacent epcf；

S316: adjacent epcf to hsgw reply a11 registration reply (a11registration ack) message；

S317: adjacent epcf to hsgw transmission a11registration request message, discharges the a10 of its foundation；

S318:hsgw replys a11registration reply message to target epcf；

After s319: target epcf receives a11registration reply message, send a9 release a8 to target ean Complete (a9release a8complete) message；

In the present embodiment, when step s310 to s319 judges that adjacent ean has a10 for target ean, by adjacent ean A10 migrate process for the a10 in target ean, the process of target ean will be moved to from adjacent ean by a10.

Following steps will carry out setting up eating dishes without rice or wine between target ean and eat, set up interface between target ean and target epcf And the process of activation a10.

S320: target ean, according to connectionrequest+routeupdate message, is set up eating dishes without rice or wine and between eat and is provided Source；

S321: target ean sends data to target epcf and is designated as 1 and carries p-gw ip address and generalized routing protocol The a9 of mark (grekey) sets up a8(a9setup a8) message；

After s322: target epcf receives a9setup a8 message, send a11registration request to hsgw Message；

After s323:hsgw receives a11registration request message, if supporting s103 interface, to mesh Mark epcf sends the a11registration reply message carrying hsgw s103ip address and grekey；

After s324: target epcf receives a11registration reply message, send a9 to target ean and connect a8 (a9connect a8) message；

After s325: target ean receives a9connect a8 message, sent to eat by s101 and carry hsgw s103ip Traffic Channel Assignment (the traffic channel assignment) message of address and grekey；

In practical application, target ean can send, to mme, the traffic carrying hsgw s103ip address and grekey Channel assignment message, is encapsulated in downlink s1cdma2000tunnellin message by mme and issues Enodeb, is encapsulated in mobilty form eutra command message by enodeb and is sent to eat.

After s326:eat receives traffic channel assignment message under lte network, capture ehrpd net Network signal, completes (traffic channel complete) message in the response service channel of eating dishes without rice or wine of ehrpd network；

S327: after target ean receives traffic channel complete message, send a9 to target epcf and update A8(a9update a8) message；

After s328: target epcf receives a9update a8 message, by assembling a11registration request Message, to hsgw, notifies hsgw activation a10, hsgw can be notified in addition to carry out charging；

After s329:hsgw receives a11registration request message, the pmip setting up and between described p-gw connects Connect, qos strategy and charging regulation can also be updated as needed, start charging；

S330:hsgw sends a11registration reply message to target epcf；

After s331: target epcf receives a11registration reply message, send a9 to target ean and update a8 Confirm (a9update a8ack) message；

After s332: target ean receives a9update a8ack message, send to mme and notify request (notification Request) message, notifies mme handover success, discharges lte Internet resources, and the business that is successfully established between target ean and eat is built Vertical.

In practical application, mme can reply notification response message to target ean.

Business connection establishment method described in the present embodiment, before setting up the service connection with terminal, by adjacent ean The corresponding session information of middle terminal is moved in the ean of target, thus ensureing the success of target ean and terminal room business with a10 Set up.

The embodiment of the present invention another business connection establishment method disclosed, as shown in Figure 4, comprising:

S401:eat is in business state under lte network, and enodeb is according to receiving the measurement data judgement needs that eat reports Initiate switching, instruction eat is switched to ehrpd network；

S402:eat receives enodeb switching instruction, initiates switching, sends connectionrequest+ by tunnel Routeupdate message is to target ean；

S403: target ean caches connectionrequest+routeupdate message by s101, and according to described The uati carrying in connectionrequest+routeupdate message determines the storage location of the corresponding conversation message of eat；

S404: when the storage location that target ean determines the corresponding conversation message of eat is adjacent ean, to adjacent Ean sends a13session information request message；

S405: adjacent ean receives a13session information request message, and carry according in message Session information described in uati128 information searching；

S406: adjacent ean sends a13session information response message to target ean, wherein takes Carry described session information；

S407: target ean obtains described session information from described session information response message and preserves；

S408: target ean issues uatiassigment message by s101；

After s409:eat receives uatiassigment message under lte network, send uaticomplete to target ean Message；

So far, complete the migration of session information.

After s410: target ean receives uaticomplete message, judge do not exist between adjacent epcf and hsgw of ean Business interface a10；

S411: target ean, according to connectionrequest+routeupdate message, is set up eating dishes without rice or wine and between eat and is provided Source；

S412: target ean sends a9setup a8 message to target epcf；

After s413: target epcf receives a9setup a8 message, send a11registration request to hsgw and disappear Breath, for newly-built a10；

After s414:hsgw receives a11registration request message, if supporting s103 interface, to mesh Mark epcf sends the a11registration reply message carrying hsgw s103ip address and grekey；

In practical application, after hsgw receives a11registration request message, can also bind more with p-gw Newly, set up pmip to carry.

After s415: target epcf receives a11registration reply message, send a9connect to target ean A8 message；

After s416: target ean receives a9connect a8 message, sent to eat by s101 and carry hsgw s103ip The business traffic channel assignment message of address and grekey；

After s417:eat receives traffic channel assignment message under lte network, capture ehrpd net Network signal, completes (traffic channel complete) message in the response service channel of eating dishes without rice or wine of ehrpd network；

S418: after target ean receives traffic channel complete message, send to target epcf A9update a8 message；

After s419: target epcf receives a9update a8 message, by assembling a11registration request Message, to hsgw, notifies hsgw activation a10, hsgw can be notified in addition to carry out charging；

After s420:hsgw receives a11registration request message, the pmip setting up and between described p-gw connects Connect, qos strategy and charging regulation can also be updated as needed, start charging；

S421:hsgw sends a11registration reply message to target epcf；

After s422: target epcf receives a11registration reply message, send a9update to target ean A8ack message；

After s423: target ean receives a9update a8ack message, send to mme and notify request (notification Request) message, notifies mme handover success, and the business that is successfully established between target ean and eat is set up.

Business connection establishment method described in the present embodiment, is, a10 is by target ean with a upper embodiment difference Triggering is set up, rather than obtains from the a10 migration of adjacent ean.

With said method embodiment relatively, the embodiment of the invention also discloses a kind of service connection sets up device, such as Fig. 5 It is shown, comprising:

Session information location determining module 501, for according to the single-point carrying in the direct transfer request message receiving Broadcast access terminal identification, determines the storage location of the corresponding session information of described terminal, and described direct transfer request message is used In the connection request carrying terminal transmission and routing update message；

Session information acquisition module 502, if for described session information storage location be adjacent evolution access Network, then obtain described session information from the access network of described adjacent evolution；

Service connection sets up module 503, for according to described connection request and routing update message and described session information, Set up the service connection with described terminal room.

Device described in the present embodiment, can be before setting up the business with terminal, should by the terminal-pair at adjacent ean Session information move at current ean, thus avoiding the service connection leading to because lacking session information to set up unsuccessfully Problem.

The embodiment of the present invention another service connection disclosed sets up device, as shown in Figure 6, comprising:

First transmitting element 601, for by the session signaling interface between described adjacent evolution accessing network, to institute The access network stating adjacent evolution sends the Information Request carrying Unicast Access Termination Identifier 128 information, In order to described adjacent evolution access network according to session described in described Unicast Access Termination Identifier 128 information searching Information；

First receiving unit 602, for receiving the access network of described adjacent evolution by described session signaling interface The session information response message carrying described session information sending；

Acquiring unit 603, for preserving described session information；

Second transmitting element 604, for the interface between by Mobility Management Entity, sends single-point to described terminal wide Broadcast access terminal identification assignment message, in order to update the Unicast Access Termination Identifier of the session of described terminal；

Second receiving unit 605, for receiving the Unicast Access Termination Identifier completion message of described terminal replies；

Interface acquiring unit 606, if described for judging according to described Unicast Access Termination Identifier completion message There is business interface, then connecing described adjacent evolution between the Packet Control Function of the access network of adjacent evolution and gateway Enter the business interface between the Packet Control Function of network and gateway to migrate as between current Packet Control Function and described gateway Business interface；

First connection establishment unit 607, for according to described connection request and routing update message and described session information, Set up the interface-free resources being connected with described terminal room and the business interface and between described current Packet Control Function；

Activation unit 608, for activating the business interface between described current Packet Control Function and described gateway.

Specifically, described interface acquiring unit can specifically include:

First transmission subelement, the a9 for sending the pdsn ip address information carrying gateway sets up a8 message to described Current Packet Control Function, sends a11 login request message in order to described current Packet Control Function to described gateway, Described a11 login request message is used for described gateway and initiates pmip binding renewal to p-gw, to described current packet control work( A11 registration reply message can be replied and the Packet Control Function to the access network of described adjacent evolution sends a11 and registers more New information, the access network in order to described adjacent evolution discharges the business between its Packet Control Function and described gateway and connects Mouthful；

Described first connection establishment unit can specifically include:

Described activation unit can specifically include:

The embodiment of the present invention another service connection disclosed sets up device, as shown in fig. 7, comprises:

First transmitting element 701, for by the session signaling interface between described adjacent evolution accessing network, to institute The access network stating adjacent evolution sends the Information Request carrying Unicast Access Termination Identifier 128 information, In order to described adjacent evolution access network according to session described in described Unicast Access Termination Identifier 128 information searching Information；

First receiving unit 702, for receiving the access network of described adjacent evolution by described session signaling interface The session information response message carrying described session information sending；

Acquiring unit 703, for preserving described session information；

Second transmitting element 704, for the interface between by Mobility Management Entity, sends single-point to described terminal wide Broadcast access terminal identification assignment message, in order to update the Unicast Access Termination Identifier of the session of described terminal；

Second receiving unit 705, for receiving the Unicast Access Termination Identifier completion message of described terminal replies；

Second connection establishment unit 706, if for judging according to described Unicast Access Termination Identifier completion message There is not business interface, then according to described connection between the Packet Control Function of access network of described adjacent evolution and gateway Request and routing update message and described session information, set up the interface-free resources that are connected with described terminal room and described currently Business interface between Packet Control Function and the business interface between described current Packet Control Function and gateway；

Activation unit 707, for activating the business interface between described current Packet Control Function and gateway.

Specifically, described second connection establishment unit can specifically include:

Described activation unit includes:

The embodiment of the invention also discloses a kind of network controller, as shown in Figure 8, comprising:

At least one processor 801, memorizer 802 and at least one communication bus 803.Processor 801 and memorizer 802 can be communicated by communication bus 803.

In the present embodiment, can be stored with memorizer 802 instruction or program, by calling described instruction or program, Processor can be used for: according to the Unicast Access Termination Identifier carrying in the direct transfer request message receiving, determines The storage location of the corresponding session information of described terminal, the connection that described direct transfer request message is used for carrying terminal transmission please Summation routing update message, if the storage location of described session information is the access network of adjacent evolution, from described phase The access network of adjacent evolution obtains described session information, according to described connection request and routing update message and described session letter Breath, sets up the service connection with described terminal room.

Further, described processor obtains described session information side in the described access network from described adjacent evolution Face, specifically for: by the session signaling interface between described adjacent evolution accessing network, to connecing of described adjacent evolution Enter network and send the Information Request carrying Unicast Access Termination Identifier 128 information, in order to described adjacent The access network of evolution is according to session information described in described Unicast Access Termination Identifier 128 information searching；Receive described phase The access network of adjacent evolution is disappeared by the session information response carrying described session information that described session signaling interface sends Breath；Described session information is obtained from described session information response message.

Further, described processor can be also used for: the interface between by Mobility Management Entity, to described terminal Send Unicast Access Termination Identifier assignment message, in order to update the point cast access terminal mark of the session of described terminal Know；Receive the Unicast Access Termination Identifier completion message of described terminal replies.

Further, in the described session information according to described connection request and routing update message and described terminal, build The vertical service connection aspect with described terminal room, described processor specifically for: if according to described point cast access terminal Mark completion message judges there is business interface, then between the Packet Control Function of access network of described adjacent evolution and gateway Business interface between the Packet Control Function of the access network of described adjacent evolution and gateway is migrated as current packet control Business interface between function processed and described gateway；According to described connection request and routing update message and described session information, build The vertical interface-free resources being connected with described terminal room and the business interface and between described current Packet Control Function；Activation is described to work as Business interface between front Packet Control Function and described gateway.

Alternatively, the business between the Packet Control Function and gateway of the described access network by described adjacent evolution connects Mouth migrates as the business interface aspect between current Packet Control Function and described gateway, described processor specifically for: send The a9 carrying pdsn ip address information sets up a8 message to described current Packet Control Function, in order to described current dividing Group control function sends a11 login request message to described gateway, described a11 login request message be used for triggering described gateway to P-gw initiates pmip binding and updates, replys a11 registration reply message to described current Packet Control Function and to described adjacent The access network of evolution Packet Control Function send a11 registration update message, in order to the access of described adjacent evolution Network discharges the business interface between its Packet Control Function and described gateway；Receive what described current Packet Control Function sent A9 discharges a8 completion message.

Alternatively, described according to described connection request with routing update message and described session information, set up with described Interface-free resources and the business interface aspect and between described current Packet Control Function that terminal room connects, described process implement body For: according to described connection request and routing update message, set up interface-free resources；Send data to be designated as 1 and carry p-gw ip The a9 of address and generalized routing protocol mark sets up a8 message to described current Packet Control Function, in order to described current Packet Control Function sends a11 login request message to described gateway, and described a11 login request message is used for described gateway and is propping up When holding s103, reply to described current Packet Control Function and carry described gateway distribution s103ip address and generalized routing protocol The a11 registration reply message of mark；Receive the a9 connection a8 message that described current Packet Control Function sends；By s101 to Described terminal sends the Traffic Channel Assignment message carrying described gateway distribution s103ip address and generalized routing protocol mark.

Alternatively, in the described session information according to described connection request and routing update message and described terminal, set up With the service connection aspect of described terminal room, described processor specifically for: if according to described point cast access terminal mark Know completion message and judge there is not business interface between the Packet Control Function of access network of described adjacent evolution and gateway, Then according to described connection request and routing update message and described session information, set up the money of eating dishes without rice or wine being connected with described terminal room Business interface between source and described current Packet Control Function and the business between described current Packet Control Function and gateway Interface；Activate the business interface between described current Packet Control Function and gateway.

Alternatively, according to described connection request and routing update message and described session information, set up and described terminal room Connect interface-free resources and described current Packet Control Function between business interface and described current Packet Control Function with Business interface aspect between gateway, described processor specifically for: according to described connection request and routing update message, set up empty Mouth resource；Send a9 and set up a8 message to described current Packet Control Function, in order to described current Packet Control Function Send a11 login request message to described gateway, described a11 login request message is used for described gateway and is supporting s103 interface When, send to described current Packet Control Function and carry described gateway and distribute s103ip address and generalized routing protocol mark A11 registration reply message, sends a9 in order to described current Packet Control Function and connects a8 message；Receive described current dividing The a9 that group control function sends connects a8 message；Sent to described terminal by s101 and carry described gateway distribution s103ip address And the Traffic Channel Assignment message of generalized routing protocol mark；

Alternatively, in terms of the described business interface activating between described current Packet Control Function and gateway, described place Reason implement body is used for: after receiving the Traffic Channel completion message that described terminal is responded, to described current Packet Control Function Send a9 and update a8 message, pass through to assemble a11 login request message to described net in order to described current Packet Control Function Close, notify business interface between current Packet Control Function described in described gateway activation and described gateway so that described gateway Set up and be connected with the pmip between described p-gw, and reply a11 registration reply message to described current Packet Control Function；Receive Described current Packet Control Function updates a8 according to the a9 that a11 registration reply message sends and confirms message.

After such scheme, the described webserver, before setting up service connection, first determines the corresponding session of terminal The storage location of information, if session information is stored in the access network of adjacent evolution, by session information transfer to currently The access network of evolution after, resettle the service connection with terminal room, thus avoiding the industry leading to because lacking session information The failure that business connects.

If the function described in the present embodiment method is realized and as independent product pin using in the form of SFU software functional unit When selling or using, can be stored in a computing device read/write memory medium.Based on such understanding, the embodiment of the present invention Partly being embodied in the form of software product of part that prior art is contributed or this technical scheme, this is soft Part product is stored in a storage medium, including some instructions with so that computing device (can be personal computer, Server, mobile computing device or network equipment etc.) execution each embodiment methods described of the present invention all or part step Suddenly.And aforesaid storage medium includes: u disk, portable hard drive, read only memory (rom, read-only memory), deposit at random Access to memory (ram, random access memory), magnetic disc or CD etc. are various can be with the medium of store program codes.

In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other The difference of embodiment, between each embodiment same or similar partly mutually referring to.

Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention. Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one The scope the widest causing.

Claims

1. a kind of business connection establishment method is it is characterised in that include:

According to the Unicast Access Termination Identifier carrying in the direct transfer request message receiving, determine that described terminal-pair should Session information storage location, described direct transfer request message be used for carry terminal transmission connection request and routing update Message；

If the storage location of described session information is the access network of adjacent evolution, from the access of described adjacent evolution Session information described in Network Capture；

According to described connection request and routing update message and described session information, set up the service connection with described terminal room；

Wherein, the described session information according to described connection request and routing update message and described terminal, sets up and described end Service connection between end includes:

If judge dividing of the access network of described adjacent evolution according to described Unicast Access Termination Identifier completion message There is business interface, then by the Packet Control Function of the access network of described adjacent evolution and net between group control function and gateway Business interface between pass migrates as the business interface between current Packet Control Function and described gateway；

According to described connection request and routing update message and described session information, set up the money of eating dishes without rice or wine being connected with described terminal room Source and the business interface and between described current Packet Control Function；

Activate the business interface between described current Packet Control Function and described gateway；

Or,

The described session information according to described connection request and routing update message and described terminal, sets up and described terminal room Service connection includes:

If judge dividing of the access network of described adjacent evolution according to described Unicast Access Termination Identifier completion message Group control function and gateway between there is not business interface, then according to described connection request and routing update message and described session Information, set up business interface between the interface-free resources that are connected with described terminal room and current Packet Control Function and described ought Business interface between front Packet Control Function and gateway；

2. method according to claim 1 is it is characterised in that the described access network from described adjacent evolution obtains institute State session information to include:

By the session signaling interface between the access network of described adjacent evolution, to the access network of described adjacent evolution Send the Information Request carrying Unicast Access Termination Identifier 128 information, in order to described adjacent evolution Access network is according to session information described in described Unicast Access Termination Identifier 128 information searching；

Receive the access network of described adjacent evolution and carry described session information by what described session signaling interface sent Session information response message；

3. method according to claim 2 is it is characterised in that also include: the interface between by Mobility Management Entity, Send Unicast Access Termination Identifier assignment message to described terminal, in order to update the point cast of the session of described terminal Access terminal identification；

4. method according to claim 3 is it is characterised in that meeting between the access network of described and described adjacent evolution Words signaling interface includes:

a13；

Described interface and between Mobility Management Entity includes:

s101.

5. method according to claim 1 is it is characterised in that the packet of the described access network by described adjacent evolution Business interface between control function and gateway migrates and includes for the business interface between current Packet Control Function and described gateway:

The a9 that transmission carries pdsn ip address information sets up a8 message to described current Packet Control Function, in order to described Current Packet Control Function sends a11 login request message to described gateway, and described a11 login request message is used for triggering institute State gateway to p-gw initiate pmip binding update, reply to described current Packet Control Function a11 registration reply message and to The Packet Control Function of the access network of described adjacent evolution sends a11 registration update message, in order to described adjacent drilling The access network entered discharges the business interface between its Packet Control Function and described gateway；

6. method according to claim 5 it is characterised in that described according to described connection request and routing update message and Described session information, sets up the interface-free resources being connected with described terminal room and the business and between described current Packet Control Function Interface includes:

Send data be designated as 1 and carry p-gw ip address and generalized routing protocol mark a9 set up a8 message to described work as Front Packet Control Function, sends a11 login request message, institute in order to described current Packet Control Function to described gateway State a11 login request message for described gateway when supporting s103, reply to described current Packet Control Function and carry institute State gateway and distribute s103ip address and the a11 registration reply message of generalized routing protocol mark；

Send the business carrying described gateway distribution s103ip address and generalized routing protocol mark by s101 to described terminal Channel assignment message.

7. method according to claim 1 it is characterised in that described according to described connection request and routing update message and Described session information, sets up the business between the interface-free resources being connected with described terminal room and described current Packet Control Function Business interface between interface and described current Packet Control Function and gateway includes:

Send a9 and set up a8 message to described current Packet Control Function, in order to described current Packet Control Function to institute State gateway and send a11 login request message, described a11 login request message is used for described gateway when supporting s103 interface, to Described current Packet Control Function sends and carries the a11 note that described gateway distributes s103ip address and generalized routing protocol mark Volume response message, sends a9 in order to described current Packet Control Function and connects a8 message；

8. method according to claim 7 is it is characterised in that the described current Packet Control Function of described activation and gateway Between business interface include:

After receiving the Traffic Channel completion message that described terminal is responded, send a9 to described current Packet Control Function and update A8 message, passes through to assemble a11 login request message to described gateway in order to described current Packet Control Function, notifies described Business interface between current Packet Control Function and described gateway described in gateway activation is so that described gateway is set up and between p-gw Pmip connect, and reply a11 registration reply message to described current Packet Control Function；

9. a kind of service connection sets up device it is characterised in that including:

Session information location determining module, for accessing according to the point cast carrying in the direct transfer request message receiving Terminal iidentification, determines the storage location of the corresponding session information of described terminal, and described direct transfer request message is used for carrying end Connection request and routing update message that end sends；

Session information acquisition module, if for described session information storage location be adjacent evolution access network, Obtain described session information from the access network of described adjacent evolution；

Service connection sets up module, for according to described connection request and routing update message and described session information, set up with The service connection of described terminal room；

Wherein, described service connection is set up module and is included:

Interface acquiring unit, if for judging described adjacent drilling according to described Unicast Access Termination Identifier completion message There is business interface, then by the access network of described adjacent evolution between the Packet Control Function of the access network entered and gateway Business interface between Packet Control Function and gateway migrates as the business interface between current Packet Control Function and described gateway；

First connection establishment unit, for according to described connection request and routing update message and described session information, set up with Interface-free resources and the business interface and between described current Packet Control Function that described terminal room connects；

Activation unit, for activating the business interface between described current Packet Control Function and described gateway；

Or,

Described service connection is set up module and is included:

Second connection establishment unit, if described adjacent for judging according to described Unicast Access Termination Identifier completion message The Packet Control Function of the access network of evolution and gateway between there is not business interface, then according to described connection request and road By new information and described session information, set up the interface-free resources being connected with described terminal room and current Packet Control Function Between business interface and the business interface between described current Packet Control Function and gateway；

10. device according to claim 9 is it is characterised in that described session information acquisition module includes:

First transmitting element, for by the session signaling interface between the access network of described adjacent evolution, to described phase The access network of adjacent evolution sends the Information Request carrying Unicast Access Termination Identifier 128 information, so that Access network in described adjacent evolution is believed according to session described in described Unicast Access Termination Identifier 128 information searching Breath；

First receiving unit, for receiving the access network of described adjacent evolution by taking that described session signaling interface sends Session information response message with described session information；

11. devices according to claim 10 are it is characterised in that also include:

Second transmitting element, for the interface between by Mobility Management Entity, sends point cast to described terminal and accesses Terminal iidentification assignment message, in order to update the Unicast Access Termination Identifier of the session of described terminal；

12. devices according to claim 9 are it is characterised in that described interface acquiring unit includes:

First transmission subelement, the a9 for sending the pdsn ip address information carrying gateway sets up a8 message to described current Packet Control Function, in order to described current Packet Control Function to described gateway send a11 login request message, described A11 login request message is used for triggering described gateway to p-gw initiation pmip binding renewal, to described current packet control work( A11 registration reply message can be replied and the Packet Control Function to the access network of described adjacent evolution sends a11 and registers more New information, the access network in order to described adjacent evolution discharges the business between its Packet Control Function and described gateway and connects Mouthful；

13. devices according to claim 9 or 12 are it is characterised in that described first connection establishment unit includes:

First interface-free resources set up subelement, for according to described connection request and routing update message, setting up interface-free resources；

Second transmission subelement, is designated as 1 and carries p-gw ip address and the a9 of generalized routing protocol mark for sending data Set up a8 message to described current Packet Control Function, send to described gateway in order to described current Packet Control Function A11 login request message, described a11 login request message is used for described gateway and takes to described current Packet Control Function reply Distribute s103ip address and the a11 registration reply message of generalized routing protocol mark with described gateway；

3rd transmission subelement, is carried described gateway and distributes s103ip address and general for being sent to described terminal by s101 The Traffic Channel Assignment message of Routing Protocol mark.

14. devices according to claim 9 are it is characterised in that described second connection establishment unit includes:

Second interface-free resources set up subelement, for according to described connection request and routing update message, setting up interface-free resources；

4th transmission subelement, sets up a8 message to described current Packet Control Function for sending a9, works as in order to described Front Packet Control Function sends a11 login request message to described gateway, and described a11 login request message is used for described gateway When supporting s103 interface, send to described current Packet Control Function and carry described gateway distribution s103ip address and general The a11 registration reply message of Routing Protocol mark, sends a9 in order to described current Packet Control Function and connects a8 message；

5th transmission subelement, is carried described gateway and distributes s103ip address and general for being sent to described terminal by s101 The Traffic Channel Assignment message of Routing Protocol mark.

15. devices according to claim 9 or 14 are it is characterised in that described activation unit includes:

6th transmission subelement, after receiving the Traffic Channel completion message that described terminal is responded, to described current packet control Function processed sends a9 and updates a8 message, is given by assembling a11 login request message in order to described current Packet Control Function Described gateway, notifies business interface between current Packet Control Function described in described gateway activation and described gateway so that institute State gateway and set up and be connected with the pmip between p-gw, and reply a11 registration reply message to described current Packet Control Function；

4th receiving subelement, for receiving the a9 that described current Packet Control Function sends according to a11 registration reply message Update a8 and confirm message.