CN105264858A

CN105264858A - Session processing method and apparatus

Info

Publication number: CN105264858A
Application number: CN201380076099.7A
Authority: CN
Inventors: 高林毅
Original assignee: Huawei Device Co Ltd
Current assignee: Honor Device Co Ltd
Priority date: 2013-12-23
Filing date: 2013-12-23
Publication date: 2016-01-20
Anticipated expiration: 2033-12-23
Also published as: CN105264858B; WO2015096012A1

Abstract

A session processing method and apparatus are provided. When a handover of a underlying network between a first common service entity (CSE) and a second CSE is performed, by associating a session identifier for identifying a new session between the first CSE and the second CSE with a first application connection identifier for identifying a first application connection between the first CSE and a first application function entity (AF), and with a second application connection identifier for identifying a second application connection between the second CSE and a second AF, the consistency of sessions between upper layer applications is gained under the circumstances of guaranteeing that the first application connections and the second application connections do not disconnect. Therefore the present existing problem that the continuous mode of sessions among upper layer applications is not good when the handover of underlying network is implementing, is properly solved, and the effect of session handover among upper layer applications is improved.

Description

Session processing method and apparatus

A kind of conversation processing method and equipment technical field

The present invention relates to communication technical field, more particularly to a kind of conversation processing method and equipment.Background technology

At present; with continuing to develop for the communication technology; mobile terminal can use a variety of communication networks such as cable network, cellular network and WiFi network to be communicated; but; due to the restriction of the factors such as the network coverage, network rate or Web vector graphic limitation, mobile terminal can often be switched between different networks.

Specifically, when mobile terminal is switched between the different networks, its IP (Internet Protocol, procotol）Address generally can all change, so as to can cause the disconnection and reconstruction of communication link so that the session between major applications occurs to interrupt, it is necessary to can just recover it manually, it is impossible to realize seamless switching.Regarding to the issue above, current industry solved frequently with the mode accordingly changed transport layer or IP layer bottom-layer network switch it is caused can not realize the seamless switching of session between upper layer application, i.e., can not realize the successional problem of session between upper layer application.

For example, so that TCP (Transmission Control Protocol)/IP ten does view as an example, after session connection is set up in the application at the two ends that communicate, a unique socket (socket for including the information such as source address, source port, destination address and destination interface can be bound）.Correspondingly, it can be referred to by way of solving the above problems carrying out corresponding modification to transport layer, by changing the address in socket and keep applying and socket relevance keeps the continuity of session between applying, or by increasing new TCP state, defining new TCP options, change TCP header etc. and keep the continuity of session between applying；It can refer to be communicated or used mobile IP technology using a virtual, fixed network address by way of solving the above problems carrying out IP layers corresponding modification.

But, in the continuity of session between application is realized using corresponding modification is carried out to transport layer, due to needing to change socket four-tuples or the new TCP state of increase or defining new TCP options, or change TCP header etc., therefore existing ICP/IP protocol can be changed；And in the continuity of session between application is realized using mobile IP technology etc., due to usually requiring to be related to home agent and outside generation The network elements such as reason, so that realizing for technology is more complicated, also, the problem of due to Triangle routing, also results in the increasing of propagation delay time so that the time that packet is run in a network greatly increases, substantially increase the burden of network.

That is, presently, there are to realize bottom-layer network switching when upper layer application between session successional mode it is not good, therefore, need a kind of new Dialog processing mode of offer badly to solve the above problems.The content of the invention

The embodiments of the invention provide a kind of conversation processing method and equipment, to solve to presently, there are the problem of being used to realize not good in the way of conversation continuity between upper layer application.

First aspect there is provided a kind of conversation processing method, including：

First CSE (Common Service Entity, generic service entity）According to the first AF (Application Function, Application Function）The first session establishment request of the identification information for carrying the 2nd AF sent, first session identification is associated with first using connection identifier, and the second session establishment request for carrying first session identification is sent to the 2nd CSE, so that first session identification is associated by the 2nd CSE with second using connection identifier, wherein, first session identification, which is used to identifying the first CSE, passes through the first session for being set up between the first bottom-layer network and the 2nd CSE, the first application connection that the first application connection identifier is used to identify between the first CSE and the first AF, the second application connection that the second application connection identifier is used to identify between the 2nd CSE and the 2nd AF；And,

If it is determined that first bottom-layer network need to be switched into the second bottom-layer network, with the second session set up by second bottom-layer network between the 2nd CSE, then the second session identification distributed for second session is associated with described first using connection identifier, and the 3rd session establishment request for carrying second session identification is sent to the 2nd CSE, so that second session identification is associated by the 2nd CSE with described second using connection identifier.

With reference to first aspect, in the first possible implementation of first aspect, it is determined that need to switch to first bottom-layer network after the second bottom-layer network, and before second session identification is associated with described first using connection identifier, methods described also includes： If it is determined that first session still keeps connection status, then network switching is sent to the 2nd CSE by first bottom-layer network to notify to indicate, notify the 2nd CSE to carry out net Network switchings, and receive the network switching push-notification-answer message that the 2nd CSE is returned；

Second session identification is associated with described first using connection identifier, including：The network switching push-notification-answer message returned according to the 2nd CSE, releases the incidence relation between first session identification and the first application connection identifier, and second session identification is associated with described first using connection identifier.

With reference to the first possible implementation of first aspect or first aspect, in second of possible implementation of first aspect, it is determined that first bottom-layer network need to be switched to after the second bottom-layer network, and make before second session identification is associated using connection identifier by the 2nd CSE with described second, methods described also includes：

If it is determined that the first AF is data sending terminal, then Slow deposits the data that the first AF is sent；Or,

If it is determined that the first AF is data receiver, the Data duplication from the CSE of the mat woven of fine bamboo strips two finally received is then sent to the first AF, or, the local Slow data from the 2nd CSE deposited are sent to the first AF by the way of reduction data transmission rate.

With reference to the first possible implementation of first aspect or first aspect, in the third possible implementation of first aspect, first session identification is also carried in the 3rd session establishment request and for indicating that the 2nd CSE carries out the network switching instruction of network switching；

The 3rd session establishment request is sent to the 2nd CSE, so that second session identification is associated by the 2nd CSE with described second using connection identifier, including：

The 3rd session establishment request is sent to the 2nd CSE, so that the network switching that the 2nd CSE is carried in being asked according to the 3rd session establishment is indicated, the incidence relation between first session identification and the second application connection identifier is released, and second session identification is associated with described second using connection identifier.

With reference to second of possible implementation of first aspect, in the 4th kind of possible implementation of first aspect, the request of the 3rd session establishment is being sent to the 2nd CSE, so that the 2nd CSE will After second session identification is associated with described second using connection identifier, methods described also includes：If it is determined that the first AF is data sending terminal, then the identification information for the data from the first CSE finally received that the 2nd CSE is sent is received；Or,

If it is determined that the first AF is data receiver, then the identification information of the data from the 2nd CSE finally received is sent to the 2nd CSE.

Second aspect there is provided a kind of conversation processing method, including：

The second session establishment for carrying the first session identification that 2nd CSE is sent according to the first CSE is asked, first session identification is associated with second using connection identifier, wherein, first session identification, which is used to identifying the first CSE, passes through the first session for being set up between the first bottom-layer network and the 2nd CSE, the second application connection identifier is used to identify the second application connection between the 2nd CSE and the 2nd AF, and, the second session establishment request is that the first CSE is asked according to the first session establishment of the first AF identification informations for carrying the 2nd AF sent, sent after first session identification and first are associated using connection identifier, the first application connection that the first application connection identifier is used to identify between the first CSE and the first AF；And,

If receiving the 3rd session establishment for carrying the second session identification request that the first CSE is sent, then asked according to the 3rd session establishment, second session identification is associated with described second using connection identifier, wherein, the 3rd session establishment request is the first CSE when it is determined that first bottom-layer network need to be switched into the second bottom-layer network, sent after second session identification is associated with described first using connection identifier, second session identification, which is used to identifying the first CSE, passes through the second session for being set up between second bottom-layer network and the 2nd CSE.

With reference to second aspect, in the first possible implementation of second aspect, before the 3rd session establishment for carrying the second session identification request that the CSE of the mat woven of fine bamboo strips one is sent is received, methods described also includes：

Receive the network switching notice instruction that the first CSE is sent, wherein, the network switching notice instruction is the first CSE it is determined that first bottom-layer network need to be switched into second bottom-layer network, and when determining that first session still keeps connection status, sent by first bottom-layer network to the 2nd CSE； Notified to indicate according to the network switching, second application is kept to connect constant, and return to network switching push-notification-answer message to the first CSE, so that the first CSE is according to the network switching push-notification-answer message, the incidence relation between first session identification and the first application connection identifier is released, and second session identification is associated with described first using connection identifier.

With reference to the first possible implementation of second aspect or second aspect, in second of possible implementation of second aspect, after the 3rd session establishment for carrying the second session identification request that the first CSE is sent is received, and asked according to the 3rd session establishment, before second session identification is associated with described second using connection identifier, methods described also includes：

If it is determined that the 2nd AF is data sending terminal, then Slow deposits the data that the 2nd AF is sent；Or,

If it is determined that the 2nd AF is data receiver, the Data duplication from the first CSE finally received is then sent to the 2nd AF, or, the local Slow data from the first CSE deposited are sent to the 2nd AF by the way of reduction data transmission rate.

With reference to the first possible implementation of second aspect or second aspect, in the third possible implementation of second aspect, first session identification is also carried in the 3rd session establishment request and for indicating that the 2nd CSE carries out the network switching instruction of network switching；

Asked according to the 3rd session establishment, second session identification is associated with described second using connection identifier, including：

The network switching carried in being asked according to the 3rd session establishment is indicated, the incidence relation between first session identification and the second application connection identifier is released, and second session identification is associated with described second using connection identifier.

With reference to second of possible implementation of second aspect, in the 4th kind of possible implementation of second aspect, asked according to the 3rd session establishment, after second session identification is associated with described second using connection identifier, methods described also includes：

If it is determined that the 2nd AF is data sending terminal, then the identification information for the data from the 2nd CSE finally received that the first CSE is sent is received；Or,

If it is determined that the 2nd AF is data receiver, then sends and finally receive to the first CSE The data from the first CSE identification information.

The third aspect there is provided a kind of CSE, including：

First mark relating module, for being asked according to the first session establishment of the first AF identification informations for carrying the 2nd AF sent, first session identification is associated with first using connection identifier, and the second session establishment request for carrying first session identification is sent to opposite end CSE, so that first session identification is associated by the opposite end CSE with second using connection identifier, wherein, first session identification, which is used to identifying the CSE, passes through the first session for being set up between the first bottom-layer network and the opposite end CSE, the first application connection that the first application connection identifier is used to identify between the CSE and the first AF, the second application connection that the second application connection identifier is used to identify between the opposite end CSE and the 2nd AF；

Second mark relating module, for if it is determined that first bottom-layer network need to be switched into the second bottom-layer network, with the second session set up by second bottom-layer network between the opposite end CSE, then the second session identification distributed for second session is associated with described first using connection identifier, and the 3rd session establishment request for carrying second session identification is sent to the opposite end CSE, so that second session identification is associated by the opposite end CSE with described second using connection identifier.

With reference to the third aspect, in the first possible implementation of the third aspect, the CSE also includes signal dispatcher module：

Described information transceiver module, for it is determined that first bottom-layer network need to be switched to after the second bottom-layer network, and before second session identification is associated with described first using connection identifier, if it is determined that first session still keeps connection status, then network switching is sent to the opposite end CSE by first bottom-layer network to notify to indicate, notify the opposite end CSE to carry out Wang Network switchings, and receive the network switching push-notification-answer message that the opposite end CSE is returned；

The second mark relating module, specifically for the network switching push-notification-answer message returned according to the opposite end CSE, the incidence relation between first session identification and the first application connection identifier is released, and second session identification is associated with described first using connection identifier.

With reference to the first possible implementation of the third aspect or the third aspect, in second of possible implementation of the third aspect, the CSE also includes data processing module： The data processing module, for it is determined that first bottom-layer network need to be switched to after the second bottom-layer network, and make before second session identification is associated using connection identifier by the opposite end CSE with described second, if it is determined that the first AF is data sending terminal, then Slow deposits the data that the first AF is sent；Or, if it is determined that the first AF is data receiver, the Data duplication from the opposite end CSE finally received is then sent to the first AF, or, the local Slow data from the opposite end CSE deposited are sent to the first AF by the way of reduction data transmission rate.

With reference to the first possible implementation of the third aspect or the third aspect, in the third possible implementation of the third aspect, first session identification is also carried in the 3rd session establishment request and for indicating that the opposite end CSE carries out the network switching instruction of network switching；

The second mark relating module, asked specifically for sending the 3rd session establishment to the opposite end CSE, so that the network switching that the opposite end CSE is carried in being asked according to the 3rd session establishment is indicated, the incidence relation between first session identification and the second application connection identifier is released, and second session identification is associated with described second using connection identifier.

With reference to second of possible implementation of the third aspect, in the 4th kind of possible implementation of the third aspect, the data processing module, it is additionally operable to sending the request of the 3rd session establishment to the opposite end CSE, so that after second session identification is associated by the opposite end CSE with described second using connection identifier, if it is determined that the first AF is data sending terminal, then the identification information for the data from the CSE finally received that the opposite end CSE is sent is received；Or, however, it is determined that the first AF is data receiver, then the identification information of the data from the opposite end CSE finally received is sent to the opposite end CSE.

Fourth aspect there is provided a kind of CSE, including：

First mark relating module, for the second session establishment for carrying the first session identification request sent according to opposite end CSE, first session identification is associated with second using connection identifier, wherein, first session identification, which is used to identifying the opposite end CSE, passes through the first session for being set up between the first bottom-layer network and the CSE, the second application connection that the second application connection identifier is used to identify between the CSE and the 2nd AF, and, the second session establishment request is that the opposite end CSE is asked according to the first session establishment of the first AF identification informations for carrying the 2nd AF sent, by described first Session identification and first applies what connection identifier was sent after being associated, the first application connection that the first application connection identifier is used to identify between the opposite end CSE and the first AF；

Second mark relating module, if for receiving the 3rd session establishment for carrying the second session identification request that the opposite end CSE is sent, then asked according to the 3rd session establishment, second session identification is associated with described second using connection identifier, wherein, the 3rd session establishment request is the opposite end CSE when it is determined that first bottom-layer network need to be switched into the second bottom-layer network, sent after second session identification is associated with described first using connection identifier, second session identification, which is used to identifying the opposite end CSE, passes through the second session for being set up between second bottom-layer network and the CSE.

With reference to fourth aspect, in the first possible implementation of fourth aspect, the CSE also includes signal dispatcher module：

Described information transceiver module, for before the 3rd session establishment for carrying the second session identification request that the opposite end CSE is sent is received, receive the network switching notice instruction that the opposite end CSE is sent, and notified to indicate according to the network switching, second application is kept to connect constant, and, network switching push-notification-answer message is returned to the opposite end CSE, so that the opposite end CSE is according to the network switching push-notification-answer message, release the incidence relation between first session identification and the first application connection identifier, and be associated second session identification using connection identifier with described first；

Wherein, the network switching notice instruction is the opposite end CSE it is determined that first bottom-layer network need to be switched into second bottom-layer network, and when determining that first session still keeps connection status, sent by first bottom-layer network to the CSE.

With reference to the first possible implementation of fourth aspect or fourth aspect, in two kinds of possible implementations of the mat woven of fine bamboo strips of fourth aspect, the CSE also includes data processing module：

The data processing module, for after the 3rd session establishment for carrying the second session identification request that the opposite end CSE is sent is received, and asked according to the 3rd session establishment, before second session identification is associated with described second using connection identifier, if it is determined that the 2nd AF is data sending terminal, then Slow deposits the data that the 2nd AF is sent；Or, however, it is determined that the 2nd AF is data receiver, then the Data duplication from the opposite end CSE finally received is sent into described second AF, or, the local Slow data from the opposite end CSE deposited are sent to the 2nd AF by the way of reduction data transmission rate.

With reference to the first possible implementation of fourth aspect or fourth aspect, in the third possible implementation of fourth aspect, first session identification is also carried in the 3rd session establishment request and for indicating that the CSE carries out the network switching instruction of network switching；

The second mark relating module, indicated specifically for the network switching carried in being asked according to the 3rd session establishment, the incidence relation between first session identification and the second application connection identifier is released, and second session identification is associated with described second using connection identifier.

With reference to second of possible implementation of fourth aspect, in the 4th kind of possible implementation of fourth aspect, the data processing module, it is additionally operable to ask according to the 3rd session establishment, after second session identification is associated with described second using connection identifier, if it is determined that the 2nd AF is data sending terminal, then the identification information for the data from the CSE finally received that the opposite end CSE is sent is received；Or, however, it is determined that the 2nd AF is data receiver, then the identification information of the data from the opposite end CSE finally received is sent to the opposite end CSE.

There is provided a kind of CSE in terms of 5th, including：

Processor, for being asked according to the first session establishment of the first AF identification informations for carrying the 2nd AF sent, first session identification is associated with first using connection identifier, and the second session establishment request for carrying first session identification is sent to opposite end CSE, so that first session identification is associated by the opposite end CSE with second using connection identifier；And, if it is determined that first bottom-layer network need to be switched into the second bottom-layer network, with the second session set up by second bottom-layer network between the opposite end CSE, then the second session identification distributed for second session is associated with described first using connection identifier, and the 3rd session establishment request for carrying second session identification is sent to the opposite end CSE, so that second session identification is associated by the opposite end CSE with described second using connection identifier；

Wherein, first session identification, which is used to identifying the CSE, passes through the first session for being set up between the first bottom-layer network and the opposite end CSE, the first application connection that the first application connection identifier is used to identify between the CSE and the first AF, the second application connection identifier is used to identify the opposite end The second application connection between CSE and the 2nd AF.

With reference to the 5th aspect, in the first possible implementation of the 5th aspect, the CSE also includes transceiver：

The transceiver, for it is determined that the first bottom layer net Network need to be switched to after the second bottom-layer network, and before second session identification is associated with described first using connection identifier, if it is determined that first session still keeps connection status, then network switching is sent to the opposite end CSE by first bottom-layer network to notify to indicate, notify the opposite end CSE to carry out network switching, and receive the network switching push-notification-answer message that the opposite end CSE is returned；

The processor, specifically for the network switching push-notification-answer message returned according to the opposite end CSE, the incidence relation between first session identification and the first application connection identifier is released, and second session identification is associated with described first using connection identifier.

With reference to the 5th aspect or the first possible implementation of the 5th aspect, in second of possible implementation of the 5th aspect：

The processor, it is additionally operable to after it is determined that first bottom-layer network need to be switched to the 2nd bottom layer net Network, and make before second session identification is associated using connection identifier by the opposite end CSE with described second, if it is determined that the first AF is data sending terminal, then the data that the first AF is sent are cached；Or, if it is determined that the first AF is data receiver, the Data duplication from the opposite end CSE finally received is then sent to the first AF, or, the data from the opposite end CSE that local Slow is deposited are sent to the first AF by the way of P articles low data transmission rate.

With reference to the 5th aspect or the first possible implementation of the 5th aspect, in the third possible implementation of the 5th aspect, first session identification is also carried in the 3rd session establishment request and for indicating that the opposite end CSE carries out the network switching instruction of network switching；

The processor, asked specifically for sending the 3rd session establishment to the opposite end CSE, so that the network switching that the opposite end CSE is carried in being asked according to the 3rd session establishment is indicated, the incidence relation between first session identification and the second application connection identifier is released, and second session identification is associated with described second using connection identifier.

With reference to second of possible implementation of the 5th aspect, in the 4th kind of possible reality of the 5th aspect In existing mode, the processor, it is additionally operable to sending the request of the 3rd session establishment to the opposite end CSE, so that after second session identification is associated by the opposite end CSE with described second using connection identifier, if it is determined that the first AF is data sending terminal, then the identification information for the data from the CSE finally received that the opposite end CSE is sent is received；Or, however, it is determined that the first AF is data receiver, then the identification information of the data from the opposite end CSE finally received is sent to the opposite end CSE.

There is provided a kind of CSE in terms of 6th, including：

Processor, for the second session establishment for carrying the first session identification request sent according to opposite end CSE, first session identification is associated with second using connection identifier, wherein, first session identification, which is used to identifying the opposite end CSE, passes through the first session for being set up between the first bottom-layer network and the CSE, the second application connection that the second application connection identifier is used to identify between the CSE and the 2nd AF, and, the second session establishment request is that the opposite end CSE is asked according to the first session establishment of the first AF identification informations for carrying the 2nd AF sent, sent after first session identification and first are associated using connection identifier, the first application connection that the first application connection identifier is used to identify between the opposite end CSE and the first AF；And,

If receiving the 3rd session establishment for carrying the second session identification request that the opposite end CSE is sent, then asked according to the 3rd session establishment, second session identification is associated with described second using connection identifier, wherein, the 3rd session establishment request is the opposite end CSE when it is determined that first bottom-layer network need to be switched to the 2nd bottom layer net Network, sent after second session identification is associated with described first using connection identifier, second session identification, which is used to identifying the opposite end CSE, passes through the second session for setting up between the layer net Network and CSE of the 2nd bottom.

With reference to the 6th aspect, in the first possible implementation of the 6th aspect, the CSE also includes transceiver：

The transceiver, for before the 3rd session establishment for carrying the second session identification request that the opposite end CSE is sent is received, receive the network switching notice instruction that the opposite end CSE is sent, and notified to indicate according to the network switching, second application is kept to connect constant, and, network switching push-notification-answer message is returned to the opposite end CSE, so that the opposite end CSE is according to the network switching push-notification-answer Message, releases the incidence relation between first session identification and the first application connection identifier, and second session identification is associated with described first using connection identifier；

With reference to the 6th aspect or the first possible implementation of the 6th aspect, in second of possible implementation of the 6th aspect：

The processor, it is additionally operable to after the 3rd session establishment for carrying the second session identification request that the opposite end CSE is sent is received, and asked according to the 3rd session establishment, before second session identification is associated with described second using connection identifier, if it is determined that the 2nd AF is data sending terminal, then Slow deposits the data that the 2nd AF is sent；Or, if it is determined that the 2nd AF is data receiver, the Data duplication from the opposite end CSE finally received is then sent to the 2nd AF, or, the local Slow data from the opposite end CSE deposited are sent to the 2nd AF by the way of reduction data transmission rate.

With reference to the 6th aspect or the first possible implementation of the 6th aspect, in the third possible implementation of the 6th aspect, first session identification is also carried in the 3rd session establishment request and for indicating that the CSE carries out the network switching instruction of network switching；

The processor, indicated specifically for the network switching carried in being asked according to the 3rd session establishment, the incidence relation between first session identification and the second application connection identifier is released, and second session identification is associated with described second using connection identifier.

With reference to second of possible implementation of the 6th aspect, in the 4th kind of possible implementation of the 6th aspect, the processor, it is additionally operable to ask according to the 3rd session establishment, after second session identification is associated with described second using connection identifier, if it is determined that the 2nd AF is data sending terminal, then the identification information for the data from the CSE finally received that the opposite end CSE is sent is received；Or, however, it is determined that the 2nd AF is data receiver, then the identification information of the data from the opposite end CSE finally received is sent to the opposite end CSE.

The conversation processing method provided according to first, second aspect, and the 3rd to the 6th aspect offer Dialogue processing equipment, when the switching of bottom-layer network is carried out between the first CSE and the 2nd CSE, by will be used to identify that the session identification of the new session between the first CSE and the 2nd CSE and be associated for identifying the first application connection identifier of the first application connection between the first CSE and the first AF and second for identifying the second application connection between the 2nd CSE and the 2nd AF using connection identifier, with in the case where ensureing that first does not turn off using connection and second using connection, switch bottom-layer network, and then realize the continuity of session between upper layer application, so as to preferably solve presently, there are be used for realize bottom-layer network switching when upper layer application between conversation continuity mode it is not good the problem of, improve the transition effect of session between upper layer application.Brief description of the drawings

Technical scheme in order to illustrate the embodiments of the present invention more clearly, the accompanying drawing used required in being described below to embodiment is briefly introduced, apparently, drawings in the following description are only some embodiments of the present invention, for one of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 show the schematic flow sheet of conversation processing method described in the embodiment of the present invention one；Fig. 2 show the schematic flow sheet of conversation processing method described in the embodiment of the present invention two；Fig. 3 show the schematic flow sheet of conversation processing method described in the embodiment of the present invention three；Fig. 4 show the structural representation of CSE described in the embodiment of the present invention four；

Fig. 5 show the structural representation of CSE described in the embodiment of the present invention five；

Fig. 6 show the structural representation of CSE described in the embodiment of the present invention six；

Fig. 7 show the structural representation of CSE described in the embodiment of the present invention seven.Embodiment

The embodiments of the invention provide a kind of conversation processing method and equipment, to solve, when bottom-layer network switching causes bottom-layer network conversation shift, how realizing the successional problem of session between upper layer application.Specifically, can be the first AF to the first CSE, the first CSE by the sessionizing between the first AF and the 2nd AF to the 2nd CSE and the exemplified by setting up the session between the first AF and the 2nd AF Two CSE to the 2nd AF, tri- parts, can be by keeping the session using two ends when bottom-layer network switches（Such as the session between the session between the first AF to the first CSE and the 2nd CSE to the 2nd AF）Continue, and switch the session between service capabilities layer（Such as the session between the first CSE to the 2nd CSE）Come realize application between session continuity, so as on the basis of the transition effect of session between improving upper layer application, preferably solve presently, there are the problem of the mode of conversation continuity is not good between upper layer application when being used to realize bottom-layer network switching.

In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing, the present invention is described in further detail, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.

Embodiment one：

As shown in Fig. 1, it is the schematic flow sheet of conversation processing method described in the embodiment of the present invention one, and the conversation processing method may include following steps：

Step 101:First CSE is asked according to the first session establishment of the first AF identification informations for carrying the 2nd AF sent, first session identification is associated with first using connection identifier, and the second session establishment request for carrying first session identification is sent to the 2nd CSE, so that first session identification is associated by the 2nd CSE with second using connection identifier.

Wherein, first session identification, which is used to identifying the first CSE, passes through the first session for being set up between the first bottom-layer network and the 2nd CSE, the application connection of the mat woven of fine bamboo strips one that the first application connection identifier is used to identify between the first CSE and the first AF, the second application connection that the application of the mat woven of fine bamboo strips two connection identifier is used to identify between the 2nd CSE and the 2nd AF.

Specifically, in embodiment of the present invention, the AF of the first AF or described 2nd generally can be possess setting application function, positioned at a certain network equipment（Such as mobile phone, tablet personal computer, the server network equipment）In integrated equipment（Or integration module）；Certainly, the AF of the first AF or described 2nd can also be the standalone network device for possessing setting application function, and the embodiment of the present invention is not limited in any way to this.

Further, the first CSE generally can be for providing respective communication clothes for the first AF The standalone network device of business or the integrated equipment in a certain network equipment（Or integration module）.Also, in embodiment of the present invention, when the first CSE is integrated equipment (or the integration module in a certain network equipment）When, first CSE can be located in consolidated network equipment with the first AF, exist respectively as an integration module of the consolidated network equipment, it can also be located at respectively in two Ge Wang Network equipment, respectively as the integration module presence of described two network equipments, the embodiment of the present invention is not limited in any way to this.

Similarly, the 2nd CSE generally can be the standalone network device or the integrated equipment in a certain network equipment for providing respective communication service for the 2nd AF（Or integration module）.Also, in embodiment of the present invention, when the 2nd CSE is the integrated equipment in a certain network equipment（Or integration module）When, 2nd CSE can be located at the 2nd AF with a net Network equipment, exist respectively as an integration module of the consolidated network equipment, it can also be located at respectively in two network equipments, respectively as the integration module presence of described two network equipments, the embodiment of the present invention is not also limited in any way to this.

Further, in embodiment of the present invention, the identification information of the AF of the mat woven of fine bamboo strips two can for the 2nd AF physical label or the 2nd AF information such as the network address, the embodiment of the present invention is not limited in any way to this.

Further, in embodiment of the present invention, first CSE is after the first session establishment request for the identification information for carrying the 2nd AF that the first AF is sent is received, the 2nd AF carried in being asked according to first session establishment identification information is defined as the 2nd CSE that the 2nd AF provides service, and apply connection identifier for the first application connection distribution first between the first CSE and the first AF, and, the first session identification for the first session distribution between the first CSE and the 2nd CSE is associated with described first using connection identifier, associating between the first session connection and the first application connection is realized by way of associating the first session identification and the first application connection identifier.

Specifically, the incidence relation between first session identification and the first application connection identifier can realize that the embodiment of the present invention is not limited in any way to this by setting up the form of contingency table.Explanation in need again, first session identification can generally be distributed by the first CSE, certainly also can be by described 2nd CSE is distributed, and the embodiment of the present invention is not also limited in any way to this；It should be noted that, if first session identification is distributed by the 2nd CSE, associating between first session identification and the described first application connection identifier can be carried out after the first CSE receives the session establishment for carrying the first session identification response that the 2nd CSE is returned.

Further, the information such as the first AF identification information and the 2nd AF identification information can be also carried in the second session establishment request, so that the 2nd CSE is after the second session establishment request is received, the information such as the first AF carried in being asked according to second session establishment identification information and the 2nd AF identification information, it is determined that the communicating pair of session connection to be set up, and apply connection identifier to be associated by the first session identification carried in second session establishment request and for second of the second application connection distribution between the 2nd CSE and the 2nd AF.

Further, in embodiment of the present invention, first CSE is sending the request of the second session establishment to the 2nd CSE, so that after first session identification and second are associated by the 2nd CSE using connection identifier, the first session establishment response message that the 2nd CSE is returned can also be received, and after the first session establishment response message is received, the second session establishment response message is sent to the first AF, to complete the foundation of session between the first AF and the 2nd AF.

Wherein, the first session establishment response message generally can be the 2nd CSE according to second session establishment request received, described second is associated using connection identifier with first session identification, and sets up what is sent after the second application connection between the 2nd AF to the first CSE.

Further, when the first CSE sends the second session establishment response message to the first AF, after foundation to complete the session between the first AF and the 2nd AF, first AF can be connected by the described first application, the first session and second application connect the transmission that data are carried out with the 2nd AF, wherein, first AF and the specific data transfer mode that the 2nd AF is used are same as the prior art, and the embodiment of the present invention is not repeated this.

Step 102:If it is determined that first bottom-layer network need to be switched into the second bottom-layer network, with the second session set up by second bottom-layer network between the 2nd CSE, then the second session identification distributed for second session is associated using connection identifier with described first, and to the 2nd CSE The 3rd session establishment request for carrying second session identification is sent, so that second session identification is associated by the 2nd CSE with described second using connection identifier.

Specifically, in embodiment of the present invention, due to being usually man-to-man relation between session identification and session, therefore, it is determined that first bottom-layer network need to be switched to after the second bottom-layer network, and before the second session identification distributed for second session is associated with described first using connection identifier, the incidence relation between first session identification and the first application connection identifier can generally be released, so as to which subsequently the second session identification for the second session distribution between the first CSE and the 2nd CSE can be associated with described first using connection identifier, associating between the second session and the first application connection is realized by way of associating the second session identification and the first application connection identifier.

Further, in embodiment of the present invention, it is determined that need to switch to first bottom-layer network after the second bottom-layer network, and before second session identification is associated with described first using connection identifier, methods described can also include：

If it is determined that first session still keeps connection status, then network switching is sent to the 2nd CSE by first bottom-layer network to notify to indicate, notify the 2nd CSE to carry out network switching, and receive the network switching push-notification-answer message that the 2nd CSE is returned；Wherein, the network switching notifies that in indicating the information such as first session identification, the first AF identification information and the 2nd AF identification information can be carried.

Correspondingly, second session identification is associated with described first using connection identifier, can included：

The network switching push-notification-answer message returned according to the 2nd CSE, releases the incidence relation between first session identification and the first application connection identifier, and second session identification is associated with described first using connection identifier.

It should be noted that, in embodiment of the present invention, can to the 2nd CSE send network switching notify indicate while, before or after, the second session connection mark is distributed for the second session between the first CSE and the 2nd CSE, the embodiment of the present invention is not limited in any way to this；Explanation in need again, second session identification can be also allocated by the 2nd CSE, and the embodiment of the present invention is not also limited in any way to this. It is further to note that, if it is determined that first bottom-layer network need to be switched into the second bottom-layer network, to be set up by second bottom-layer network after the second session between the 2nd CSE, determine that first session no longer keeps connection status, it then can directly perform the step of releasing the incidence relation between first session identification and the first application connection identifier, i.e., now, notify to indicate without sending network switching to the 2nd CSE again.

Further, in embodiment of the present invention, first session identification generally can be also carried in the 3rd session establishment request and for indicating that the 2nd CSE carries out the network switching instruction of network switching.

Correspondingly, send the 3rd session establishment to the 2nd CSE to ask, so that second session identification is associated by the 2nd CSE with described second using connection identifier, can include：

The 3rd session establishment request is sent to the 2nd CSE, indicated so that the net Network that the 2nd CSE is carried in being asked according to the 3rd session establishment switches, the incidence relation between first session identification and the second application connection identifier is released, and second session identification is associated with described second using connection identifier.

Further, first CSE is sending the 3rd session establishment request to the 2nd CSE, so that after second session identification is associated by the 2nd CSE with described second using connection identifier, the 3rd session establishment response message that the 2nd CSE is returned can also be received, to complete the foundation of the second session between the first CSE and the 2nd CSE.

Further, in order to improve application between data transmitting Jiang Di Lost bags possibility, in embodiment of the present invention, it is determined that first bottom-layer network need to be switched to after the second bottom-layer network, and make the 2nd CSE second session identification is associated with described second using connection identifier before or before receiving the 3rd session establishment response message that the 2nd CSE is returned, methods described can also include：

If it is determined that the first AF is data sending terminal, then Slow deposits the data that the first AF is sent；Now, for the first AF, data sending action is still continuing；Or,

If it is determined that the first AF is data receiver, then the Data duplication from the 2nd CSE finally received is sent to the first AF, or, will be local by the way of reduction data transmission rate The data from the 2nd CSE that Slow is deposited（Wherein, the data from the 2nd CSE that the local Slow of first CSE are deposited are to switch to first bottom-layer network before second bottom-layer network, when it is determined that the 2nd AF be data sending terminal when, institute Slow deposit from the 2nd AF and not yet send to the data of the first AF) be sent to the first AF;Now, for the first AF, data receiver action is still continuing, with this on the premise of causing upper layer application can not perceive the switching of bottom-layer network, it is ensured that the transmitting of data.

Further, in embodiment of the present invention, the request of the 3rd session establishment is being sent to the 2nd CSE, so that after second session identification is associated by the 2nd CSE with described second using connection identifier or after the 3rd session establishment response message that the 2nd CSE is returned is received, methods described can also include：

The transmission of data is carried out by second session and the 2nd CSE.Specifically, after second session establishment, first AF can be connected by the described first application, the second session and second application connect the transmission that data are carried out with the 2nd AF, wherein, the specific data transfer mode used is same as the prior art, and the embodiment of the present invention is not repeated this.

Further, the request of the 3rd session establishment is being sent to the 2nd CSE, so that after second session identification is associated by the 2nd CSE with described second using connection identifier or after the 3rd session establishment response message that the 2nd CSE is returned is received, and before the transmission of data is carried out by second session and the 2nd CSE, methods described can also include：

If it is determined that the first AF is data sending terminal, then the identification information for the data from the first CSE finally received that the 2nd CSE is sent is received；Or, if it is determined that the first AF is data receiver, the identification information of the data from the 2nd CSE finally received, continuity and accuracy during ensureing that follow-up first AF and the 2nd AF is carried out data transmission by the second bottom-layer network after switching are then sent to the 2nd CSE.

The embodiment of the present invention one provides a kind of conversation processing method, between first CSE and the 2nd CSE during the switching of progress bottom-layer network, by will be used to identify that the session identification of the new session between the first CSE and the 2nd CSE and for identifying the first the second application connected using the first application connection identifier of connection and for the second application between mark the 2nd CSE and the 2nd AF between the first CSE and the first AF Connection identifier is associated, with in the case where ensureing that first does not turn off using connection and second using connection, switch bottom-layer network, and then realize the continuity of session between upper layer application, so as to preferably solve presently, there are the problem of the mode of conversation continuity is not good between upper layer application when being used to realize bottom-layer network switching, the switching effect for improving session between upper layer application is bright.Embodiment two：

Exemplified by the embodiment of the present invention two is the 2nd CSE by action executing side, conversation processing method described in the embodiment of the present invention one is further described.As shown in Fig. 2 it is the schematic flow sheet of conversation processing method described in the embodiment of the present invention two, the conversation processing method may include following steps：

Step 201：The second session establishment for carrying the first session identification that 2nd CSE is sent according to the first CSE is asked, and first session identification is associated with second using connection identifier.

Wherein, first session identification is used to identify the first CSE by the first session set up between the first bottom-layer network and the 2nd CSE, and described second is used to identify the second application connection between the 2nd CSE and the 2nd AF using connection identifier.And, the second session establishment request is that the first CSE is asked according to the first session establishment of the first AF identification informations for carrying the 2nd AF sent, sent after first session identification and first are associated using connection identifier, the first application connection that the first application connection identifier is used to identify between the first CSE and the first AF.

Specifically, in embodiment of the present invention, the information such as the first AF identification information and the 2nd AF identification information can be also carried in the second session establishment request, so that the 2nd CSE is after the second session establishment request is received, the information such as the first AF carried in being asked according to second session establishment identification information and the 2nd AF identification information, it is determined that the communicating pair of session connection to be set up, and apply connection identifier to be associated by the session identification of the mat woven of fine bamboo strips one carried in second session establishment request and for second of the second application connection distribution between the 2nd CSE and the 2nd AF.

Further, in embodiment of the present invention, 2nd CSE is after the second session establishment request is received, whether can possess corresponding access rights by determining the CSE of the first AF or described first or determine whether first session identification does not conflict mutually with other local allocated session identifications of the 2nd CSE, to determine whether to set up first session, and in judged result It is that connection identifier is applied in the second application connection distribution second between the 2nd CSE and the 2nd AF, and described second is associated using connection identifier with first session identification during to be.

Further, in embodiment of the present invention, 2nd CSE is after the described second application connection identifier is associated with first session identification, it can be asked by sending the 4th session establishment to the 2nd AF, and receive the mode for the 4th session establishment response that the 2nd AF is returned, the second application set up between the 2nd AF is connected, and, after described second is successfully established using connection, the first session establishment response message is returned to the first CSE, so that the first CSE is after the first session establishment response message is received, the second session establishment response message is sent to the first AF, to complete the foundation of session between the first AF and the 2nd AF.

Further, after the first CSE sends the second session establishment response message to an AF, session between first AF and the 2nd AF is successfully established, now, first AF can be connected by the described first application, the first session and second application connect the transmission that data are carried out with the 2nd AF, wherein, the specific data transfer mode used is same as the prior art, and the embodiment of the present invention is not repeated this.

Step 202:If receiving the 3rd session establishment for carrying the second session identification request that the first CSE is sent, asked according to the 3rd session establishment, second session identification is associated with described second using connection identifier.

Wherein, the 3rd session establishment request is the first CSE when it is determined that first bottom-layer network need to be switched into the second bottom-layer network, sent after second session identification is associated with described first using connection identifier, second session identification is used to identifying the first CSE and passes through the second session for being set up between the layer net Network and the 2nd CSE of the 2nd bottom..

Specifically, in embodiment of the present invention, before the 3rd session establishment for carrying the second session identification request that the first CSE is sent is received, methods described can also include：

Receive the network switching notice instruction that the first CSE is sent, wherein, the network switching notice instruction is the first CSE it is determined that first bottom-layer network need to be switched into second bottom-layer network, and when determining that first session still keeps connection status, sent by first bottom-layer network to the 2nd CSE；And, Notified to indicate according to the network switching, second application is kept to connect constant, and return to network switching push-notification-answer message to the first CSE, so that the first CSE is according to the network switching push-notification-answer message, the incidence relation between first session identification and the first application connection identifier is released, and second session identification is associated with described first using connection identifier.

Further, first session identification can be also carried in the 3rd session establishment request and for indicating that the 2nd CSE carries out the network switching instruction of network switching.

Correspondingly, asked according to the 3rd session establishment, second session identification is associated with described second using connection identifier, can be included：

Further, in order to improve application between data transmitting Jiang Di Lost bags possibility, after the 3rd session establishment for carrying the second session identification request that the first CSE is sent is received, and asked according to the 3rd session establishment, before the session identification of the mat woven of fine bamboo strips two is associated with described second using connection identifier, methods described can also include：

If it is determined that the 2nd AF is data sending terminal, then Slow deposits the data that the 2nd AF is sent；Or, if it is determined that the 2nd AF is data receiver, the Data duplication from the first CSE finally received is then sent to the 2nd AF, or, the local Slow data from the first CSE deposited are sent to the 2nd AF by the way of reduction data transmission rate, with this on the premise of causing upper layer application can not perceive the switching of bottom-layer network, it is ensured that the transmitting of data.

It should be noted that, after 2nd CSE can also interrupt or receive the network switching notice instruction that the first CSE is sent perceiving first bottom-layer network, automatically the Slow for performing above-mentioned data deposits operation, with this on the premise of causing upper layer application can not perceive the switching of bottom-layer network, ensure the transmitting of data, the embodiment of the present invention is not limited in any way to this.

Further, in embodiment of the present invention, 2nd CSE is asked according to the 3rd session establishment, after second session identification is associated with described second using connection identifier, the 3rd session establishment response message can be returned to the first CSE, to complete the first CSE and described the The foundation of the second session between two CSE.

Further, 2nd CSE is asked according to the 3rd session establishment, after returning to the 3rd session establishment response message after second session identification is associated with described second using connection identifier or to the first CSE, the transmission of data can be carried out by second session and the 2nd CSE.Specifically, after second session establishment, first AF can be connected by the described first application, the second session and second application connect the transmission that data are carried out with the 2nd AF, wherein, the specific data transfer mode used is same as the prior art, and the embodiment of the present invention is not repeated this.

Further, 2nd CSE is asked according to the 3rd session establishment, after the 3rd session establishment response message being returned to after second session identification is associated with described second using connection identifier or to the first CSE, and before the transmission of data is carried out by second session and the first CSE, methods described can also include：

If it is determined that the 2nd AF is data sending terminal, then the first CSE is received to the identification information of the 2nd CSE data from the 2nd CSE finally received sent；Or, if it is determined that the 2nd AF is data receiver, the identification information of the data from the first CSE finally received, continuity and accuracy during ensureing that follow-up first AF and the 2nd AF is carried out data transmission by the second bottom-layer network after switching are then sent to the first CSE.

The embodiment of the present invention two provides a kind of conversation processing method, when the switching of bottom-layer network is carried out between the first CSE and the 2nd CSE, by will be used to identify that the session identification of the new session between the first CSE and the 2nd CSE and be associated for identifying the first application connection identifier of the first application connection between the first CSE and the first AF and second for identifying the second application connection between the 2nd CSE and the 2nd AF using connection identifier, with in the case where ensureing that first does not turn off using connection and second using connection, switch bottom-layer network, and then realize the continuity of session between upper layer application, so as to preferably solve presently, there are be used for realize bottom-layer network switching when upper layer application between conversation continuity mode it is not good the problem of, improve the transition effect of session between upper layer application.Embodiment three：

The embodiment of the present invention three provides a kind of conversation processing method, and the conversation processing method is to this hair The detailed description of conversation processing method described in bright embodiment one or embodiment two.As shown in Fig. 3, it is the schematic flow sheet of conversation processing method described in the embodiment of the present invention three, and the conversation processing method may include following steps：

Step 301:First AF sends the request of the first session establishment to the first CSE, and the first CSE of request sets up the session to the 2nd AF, wherein, it can carry the 2nd AF identification information in the first session establishment request；

Step 302:First CSE selects the 2nd CSE according to the 2nd AF identification information, and distributes and first apply connection identifier for identify the first application connection between the first AF and the first CSE（App Connection ID 1), and, according to local network policy, the first bottom-layer network is selected, and distribute the first session identification for identifying the first session between the first CSE and the 2nd CSE（M2M Session ID 1), and, first session identification is associated with described first using connection identifier；Step 303:First CSE sends the second session establishment to the 2nd CSE by the first bottom-layer network and asked, wherein carrying the information such as the first AF identification information, the 2nd AF identification information and the first session identification；

Step 304:2nd CSE determines whether to set up session, if so, then applying connection identifier for the second application connection distribution second between the 2nd CSE and the 2nd AF（App Connection ID 2), and described second is associated using connection identifier with first session identification；If it is not, then refusal sets up the session；

Step 305：The second application that 2nd CSE is set up between the 2nd AF is connected；

Step 306:2nd CSE returns to the first session establishment response message to the first CSE, and after the first CSE sends the second session establishment response message to the first AF, completes the foundation of the first session；Now, the first application connection between the first CSE and the first AF, which is also set up, completes；

Step 307:First AF and the 2nd AF is connected by the first application, the first session and the second application connect the transmission for carrying out data；

Step 308:First CSE is asked or local policy etc. according to user, it is determined that from the first bottom-layer network bottom-layer network need to be switched into the second bottom-layer network；

Step 309:If it is determined that the first session still keeps connection status, then the first CSE passes through the first bottom Network sends network switching to the 2nd CSE and notifies to indicate, notifies the 2nd CSE to carry out network switching, wherein, the network switching notifies that in indicating the information such as the first session identification can be carried；

Now, as shown in step Sudden 309 (a), the data that the first CSE can also suspend the first AF send or received, and Slow deposits corresponding data.

Specifically, however, it is determined that the first AF is data sending terminal, then the Slow in the form of queue deposits the data that the first AF is sent, now, for the first AF, and data sending action is still continuing；Or, if it is determined that the first AF is data receiver, the Data duplication from the 2nd CSE finally received is then sent to the first AF, or, the local Slow data from the 2nd CSE deposited are sent to the first AF by the way of reduction data transmission rate, now, for the first AF, data receiver action is still continuing, with this on the premise of causing upper layer application can not perceive the switching of bottom-layer network, it is ensured that the transmitting of data.

Step 310:2nd CSE keeps second application to connect constant after the network switching notice instruction is received, and the response message indicated to the first CSE return network switching notices；

Now, such as step 310 (a), the data that the 2nd CSE can also suspend the 2nd AF send or received, and Slow deposits corresponding data.

Specifically, however, it is determined that the 2nd AF is data sending terminal, then the Slow in the form of queue deposits the data that the 2nd AF is sent；Or, if it is determined that the 2nd AF is data receiver, the Data duplication from the first CSE finally received is then sent to the 2nd AF, or, the data from the first CSE of local cache are sent to the 2nd AF by the way of reduction data transmission rate, with this on the premise of causing upper layer application can not perceive the switching of bottom-layer network, it is ensured that the transmitting of data.

It should be noted that, in embodiment of the present invention, the step 309 (a) and step 310 (a) are optional step, being mainly used between applying needs to be reliably connected, does not allow the scene of packet loss, for between application based on real-time Communication for Power, the scenes of Ke Yi Jie Shou Lost bags, then above-mentioned steps 309 (a) and step 310 (a) can need not be carried out.

Explanation in need again, in embodiment of the present invention, if the switching of bottom-layer network is interrupted suddenly as network etc. caused by cause specific between the first CSE and the 2nd CSE, the first CSE It can notify to indicate without sending network switching to the 2nd CSE, you can without performing above-mentioned steps 309;Correspondingly, now, the 2nd CSE can carry out the recovery of bottom-layer network connection by giving tacit consent to the connection for the second application connection for being kept for a bit of time.

Step 311:First CSE releases the incidence relation between first session identification and the first application connection identifier, and the second session connection for the second session connection distribution between the first CSE and the 2nd CSE is identified（M2M Session ID 2) it is associated with described first using connection identifier；

It should be noted that, in embodiment of the present invention, first CSE can to the 2nd CSE send network switching notify indicate while, before or after, the second session connection mark is distributed for the second session connection between the first CSE and the 2nd CSE, the embodiment of the present invention is not limited in any way to this.

Step 312:First CSE sends the 3rd session establishment to the 2nd CSE by the second bottom-layer network and asked, wherein carrying the first session identification, the second session identification and for indicating that the 2nd CSE carries out the information such as the network switching instruction of network switching；

Step 313:2nd CSE is received after the 3rd session establishment request, incidence relation between first session identification and the second application connection identifier is released according to the first session identification, and second session identification is associated with described second using connection identifier；

Step 314:2nd CSE returns to the 3rd session establishment response message to the first CSE, completes the foundation of the second session；

Step 315 (a):If it is determined that the first AF is data receiver, then the first CSE sends the identification information of the data from the 2nd CSE finally received to the 2nd CSE；

Step 315 (b):If it is determined that the 2nd AF is data receiver, then the 2nd CSE sends the identification information of the data from the first CSE finally received to the first CSE；

It should be noted that, it is similar with step 309 (a) and step 310 (a), in embodiment of the present invention, the step 315 (a) and step 315 (b) are also optional step, be mainly used between application need to be reliably connected, the scene of Bu Yun Xu Lost bags, for between application based on real-time Communication for Power, the scene of packet loss can be received, then can need not carry out above-mentioned Bu Sudden 315 (a) and Bu Sudden 315 (b).

Step 316:First AF and the 2nd AF is connected by the first application, the second session and second Recover the transmission of data using connection.

The embodiment of the present invention three provides a kind of conversation processing method, when the switching of bottom-layer network is carried out between the first CSE and the 2nd CSE, by will be used to identify that the session identification of the new session between the first CSE and the 2nd CSE and be associated for identifying the first application connection identifier of the first application connection between the first CSE and the first AF and second for identifying the second application connection between the 2nd CSE and the 2nd AF using connection identifier, with in the case where ensureing that first does not turn off using connection and second using connection, switch bottom-layer network, and then realize the continuity of session between upper layer application, so as to preferably solve presently, there are be used for realize bottom-layer network switching when upper layer application between conversation continuity mode it is not good the problem of, improve the transition effect of session between upper layer application.

In addition, when carrying out the switching of bottom-layer network, because CSE can stop and Slow deposits the data of receiving-transmitting sides temporarily, and made by changing to the data finally received using the speed or repetition that send data using the switching for not perceiving bottom-layer network, and, after the completion of bottom-layer network switching, CSE can ensure the continuity of data transfer by way of sending the mark of the data finally received, therefore, the transition effect of session is can further improve, the application experience of user is improved.Example IV：

As shown in figure 4, it is the structural representation of CSE described in the embodiment of the present invention four, the CSE generally can be standalone network device (such as mobile phone, tablet personal computer, the server network equipment for providing respective communication service for setting AF）Or the integrated equipment in a certain network equipment（Or integration module）, the embodiment of the present invention is not limited in any way to this.

Specifically, the CSE can include the first mark mark relating module 12 of relating module 11 and second, wherein：

The first mark relating module 11 can be used for being asked according to the first session establishment of the first AF identification informations for carrying the 2nd AF sent, first session identification is associated with first using connection identifier, and the second session establishment request for carrying first session identification is sent to opposite end CSE, so that first session identification is associated by the opposite end CSE with second using connection identifier；Wherein, first session identification is used to identify the CSE by building between the first bottom-layer network and the opposite end CSE The first vertical session, the first application connection that the first application connection identifier is used to identify between the CSE and the first AF, the second application connection that the second application connection identifier is used to identify between the opposite end CSE and the 2nd AF；

The second mark relating module 12 can be used for if it is determined that first bottom-layer network need to be switched into the second bottom-layer network, with the second session set up by second bottom-layer network between the opposite end CSE, then the second session identification distributed for second session is associated with described first using connection identifier, and the 3rd session establishment request for carrying second session identification is sent to the opposite end CSE, so that second session identification is associated by the opposite end CSE with described second using connection identifier.

Specifically, in embodiment of the present invention, the first mark relating module 11 can be used for after the first session establishment request for the identification information for carrying the 2nd AF that the first AF is sent is received, the 2nd AF carried in being asked according to first session establishment identification information is defined as the opposite end CSE that the 2nd AF provides service, and apply connection identifier for the first application connection distribution first between the CSE and the first AF, and, the first session identification for the first session distribution between the CSE and the opposite end CSE is associated with described first using connection identifier, associating between the first session connection and the first application connection is realized by way of associating the first session identification and the first application connection identifier.

Specifically, the incidence relation between first session identification and the first application connection identifier can realize that the embodiment of the present invention is not limited in any way to this by setting up the form of contingency table.Explanation in need again, first session identification can generally be distributed by the CSE, can also distributed certainly by the opposite end CSE, the embodiment of the present invention is not also limited in any way to this.

Further, the information such as the first AF identification information and the 2nd AF identification information can be also carried in the second session establishment request, so that the opposite end CSE is after the second session establishment request is received, the information such as the first AF carried in being asked according to second session establishment identification information and the 2nd AF identification information, it is determined that the communicating pair of session connection to be set up, and apply connection identifier to be associated by the first session identification carried in second session establishment request and for second of the second application connection distribution between the opposite end CSE and the 2nd AF.

Further, in embodiment of the present invention, the first mark relating module 11 can be additionally used in The request of the second session establishment is being sent to the opposite end CSE, so that after first session identification and second are associated by the opposite end CSE using connection identifier, receive the first session establishment response message that the opposite end CSE is returned, and after the first session establishment response message is received, the second session establishment response message is sent to the first AF, to complete the foundation of session between the first AF and the 2nd AF.

Wherein, the first session establishment response message generally can be the opposite end CSE according to second session establishment request received, described second is associated using connection identifier with first session identification, and sets up what is sent after the second application connection between the 2nd AF.

Further, when the described first mark relating module 11 sends the second session establishment response message to the first AF, after foundation to complete the session between the first AF and the 2nd AF, first AF can be connected by the described first application, the first session and second application connect the transmission that data are carried out with the 2nd AF, wherein, first AF and the specific data transfer mode that the 2nd AF is used are same as the prior art, and the embodiment of the present invention is not repeated this.

Further, the CSE may also include signal dispatcher module 13, wherein：

Described information transceiver module 13 can be used for it is determined that need to switch to first bottom-layer network after the second bottom-layer network, and before second session identification is associated with described first using connection identifier, if it is determined that first session still keeps connection status, then network switching is sent to the opposite end CSE by first bottom-layer network to notify to indicate, notify the opposite end CSE to carry out network switching, and receive the network switching push-notification-answer message that the opposite end CSE is returned；Wherein, the network switching notifies that in indicating the information such as first session identification, the first AF identification information and the 2nd AF identification information can be carried.

Correspondingly, the second mark relating module 12 is particularly used in the network switching push-notification-answer message returned according to the opposite end CSE, the incidence relation between first session identification and the first application connection identifier is released, and second session identification is associated with described first using connection identifier.

Further, first session identification can be also carried in the 3rd session establishment request and for indicating that the opposite end CSE carries out the network switching instruction of network switching.

Correspondingly, the second mark relating module 12, which is particularly used in the opposite end CSE, sends described 3rd session establishment is asked, so that the network switching that the opposite end CSE is carried in being asked according to the 3rd session establishment is indicated, the incidence relation between first session identification and the second application connection identifier is released, and second session identification is associated with described second using connection identifier.

Further, the second mark relating module 12 can also be used to send the 3rd session establishment request to the opposite end CSE, so that after second session identification is associated by the opposite end CSE with described second using connection identifier, the 3rd session establishment response message that the opposite end CSE is returned is received, to complete the foundation of the second session between the CSE and the opposite end CSE.

Further, the CSE may also include data processing module 14, wherein：

The data processing module 14 can be used for it is determined that need to switch to first bottom-layer network after the second bottom-layer network, and make before second session identification is associated using connection identifier by the opposite end CSE with described second, if it is determined that the first AF is data sending terminal, then Slow deposits the data that the first AF is sent, now, for the first AF, data sending action is still continuing；Or, if it is determined that the first AF is data receiver, the Data duplication from the opposite end CSE finally received is then sent to the first AF, or, the local Slow data from the opposite end CSE deposited are sent to the first AF by the way of reduction data transmission rate;Now, for the first AF, data receiver action is still continuing, with this on the premise of causing upper layer application can not perceive the switching of bottom-layer network, it is ensured that the transmitting of data.

Further, in embodiment of the present invention, the data processing module 14 can also be used to send the request of the 3rd session establishment to the opposite end CSE, so that after second session identification is associated by the opposite end CSE with described second using connection identifier, if it is determined that the first AF is data sending terminal, then the identification information for the data from the CSE finally received that the opposite end CSE is sent is received；Or, if it is determined that the first AF is data receiver, the identification information of the data from the opposite end CSE finally received, continuity and accuracy during ensureing that follow-up first AF and the 2nd AF is carried out data transmission by the second bottom-layer network after switching are then sent to the opposite end CSE.

The embodiment of the present invention four provides a kind of dialogue processing equipment CSE, when the CSE carries out the switching of bottom-layer network between the CSE of opposite end, by will be used to identify that the session identification of the new session between the CSE and opposite end CSE and for identifying the first application connection between the CSE and the first AF the One is associated using connection identifier and for identifying second between opposite end CSE and the 2nd AF using the second of connection using connection identifier, with in the case where ensureing that first does not turn off using connection and second using connection, switch bottom-layer network, and then realize the continuity of session between upper layer application, so as to preferably solve presently, there are be used for realize Di Ceng Wang Network switching when upper layer application between conversation continuity mode it is not good the problem of, improve the transition effect of session between upper layer application.Embodiment five：

As shown in figure 5, it is the structural representation of CSE described in the embodiment of the present invention five, the CSE generally can be standalone network device (such as mobile phone, tablet personal computer, the server network equipment for providing respective communication service for setting AF）Or the integrated equipment in a certain network equipment（Or integration module）, the embodiment of the present invention is not limited in any way to this.

Specifically, the CSE can include the first mark mark relating module 22 of relating module 21 and second, wherein：

The first mark relating module 21 can be used for the second session establishment for carrying the first session identification sent according to opposite end CSE to ask, and first session identification is associated with second using connection identifier；Wherein, first session identification, which is used to identifying the opposite end CSE, passes through the first session for being set up between the first bottom-layer network and the CSE, the second application connection that the second application connection identifier is used to identify between the CSE and the 2nd AF, and, the second session establishment request is that the opposite end CSE is asked according to the first session establishment of the first AF identification informations for carrying the 2nd AF sent, sent after first session identification and first are associated using connection identifier, the first application connection that the first application connection identifier is used to identify between the opposite end CSE and the first AF；

If the second mark relating module 22 can be used for receiving the 3rd session establishment for carrying the second session identification request that the opposite end CSE is sent, then asked according to the 3rd session establishment, second session identification is associated with described second using connection identifier, wherein, the 3rd session establishment request is the opposite end CSE when it is determined that first bottom-layer network need to be switched into the second bottom-layer network, sent after second session identification is associated with described first using connection identifier, second session identification is used to identify the opposite end CSE by setting up between second bottom-layer network and the CSE Second session.

Specifically, in embodiment of the present invention, the information such as the first AF identification information and the 2nd AF identification information can be also carried in the second session establishment request, so that the described first mark relating module 21 is after the second session establishment request is received, the information such as the first AF carried in being asked according to second session establishment identification information and the 2nd AF identification information, it is determined that the communicating pair of session connection to be set up, and apply connection identifier to be associated by the first session identification carried in second session establishment request and for second of the second application connection distribution between the CSE and the 2nd AF.

Further, in embodiment of the present invention, the first mark relating module 21 can be used for after the second session establishment request is received, by determining whether the first AF or described opposite end CSE possess corresponding access rights, or determine whether first session identification does not conflict mutually with other local allocated session identifications of the CSE, to determine whether to set up first session, and in judged result for when being, connection identifier is applied for the second application connection distribution second between the CSE and the 2nd AF, and be associated described second using connection identifier with first session identification.

Further, in embodiment of the present invention, the first mark relating module 21 can be additionally used in after the described second application connection identifier is associated with first session identification, asked by sending the 4th session establishment to the 2nd AF, and receive the mode for the 4th session establishment response that the 2nd AF is returned, the second application set up between the 2nd AF is connected, and, it can be additionally used in after described second is successfully established using connection, the first session establishment response message is returned to the opposite end CSE, so that the opposite end CSE is after the first session establishment response message is received, the second session establishment response message is sent to the first AF, to complete the foundation of session between the first AF and the 2nd AF.

Further, after the opposite end CSE sends the second session establishment response message to an AF, session between first AF and the 2nd AF is successfully established, now, first AF can be connected by the described first application, the first session and second application connect the transmission that data are carried out with the 2nd AF, wherein, the specific data transfer mode used is same as the prior art, and the embodiment of the present invention is not repeated this.

Further, the CSE may also include signal dispatcher module 23, wherein： Described information transceiver module 23 can be used for before the 3rd session establishment for carrying the second session identification request that the opposite end CSE is sent is received, receive the network switching notice instruction that the opposite end CSE is sent, and notified to indicate according to the network switching, second application is kept to connect constant, and, network switching push-notification-answer message is returned to the opposite end CSE, so that the opposite end CSE is according to the network switching push-notification-answer message, release the incidence relation between first session identification and the first application connection identifier, and be associated second session identification using connection identifier with described first；

Further, first session identification can be also carried in the 3rd session establishment request and for indicating that the CSE carries out the network switching instruction of network switching；

The second mark relating module 22 is particularly used in be indicated according to the network switching carried in the 3rd session establishment request, the incidence relation between first session identification and the second application connection identifier is released, and second session identification is associated with described second using connection identifier.

Further, in embodiment of the present invention, the second mark relating module 22 can also be used to ask according to the 3rd session establishment, after second session identification is associated with described second using connection identifier, the 3rd session establishment response message is returned to the opposite end CSE, to complete the foundation of the second session between the opposite end CSE and the CSE.

Further, the CSE may also include data processing module 24, wherein：

The data processing module 24 can be used for after the 3rd session establishment for carrying the second session identification request that the opposite end CSE is sent is received, and asked according to the 3rd session establishment, before second session identification is associated with described second using connection identifier, if it is determined that the 2nd AF is data sending terminal, then Slow deposits the data that the 2nd AF is sent；Or, if it is determined that the 2nd AF is data receiver, the Data duplication from the opposite end CSE finally received is then sent to the 2nd AF, or, the local Slow data from the opposite end CSE deposited are sent to the 2nd AF by the way of reduction data transmission rate, with this on the premise of causing upper layer application can not perceive the switching of bottom-layer network, it is ensured that the transmitting of data. Further, the data processing module 24 can also be used to ask according to the 3rd session establishment, after second session identification is associated with described second using connection identifier, if it is determined that the 2nd AF is data sending terminal, then the identification information for the data from the CSE finally received that the opposite end CSE is sent is received；Or, if it is determined that the 2nd AF is data receiver, the identification information of the data from the opposite end CSE finally received, continuity and accuracy during ensureing that follow-up first AF and the 2nd AF is carried out data transmission by the second bottom-layer network after switching are then sent to the opposite end CSE.

The embodiment of the present invention five provides a kind of dialogue processing equipment CSE, when the switching of bottom-layer network is carried out between the CSE and opposite end CSE, by will be used to identify that the session identification of the new session between opposite end CSE and the CSE and be associated for identifying the first application connection identifier of the first application connection between opposite end CSE and the first AF and second for identifying the second application connection between the CSE and the 2nd AF using connection identifier, with in the case where ensureing that first does not turn off using connection and second using connection, switch bottom-layer network, and then realize the continuity of session between upper layer application, so as to preferably solve presently, there are be used for realize bottom-layer network switching when upper layer application between conversation continuity mode it is not good the problem of, improve the transition effect of session between upper layer application.Embodiment six：

The embodiment of the present invention six provides a kind of CSE that can be used for realizing method shown in the embodiment of the present invention one, as shown in Figure 6, it is the structural representation of CSE described in the embodiment of the present invention six, for convenience of description, it illustrate only the part related to the embodiment of the present invention six, particular technique details is not disclosed, refer to the various embodiments of the present invention shown in Fig. 1 or Fig. 3.

Specifically, the CSE is generally used for providing the Du Li Wang Network equipment of respective communication service for setting AF（Such as mobile phone, tablet personal computer, the server network equipment）Or the integrated equipment in a certain network equipment（Or integration module）, the embodiment of the present invention is not limited in any way to this.Specifically, the embodiment of the present invention six is illustrated so that the CSE is server as an example, and Fig. 6 is illustrated that the block diagram of the part-structure of the server 30 related to the embodiment of the present invention six.

As shown in fig. 6, the server 30 can include：The grade part of processor 31.Art technology Personnel are appreciated that, the structure of the server 30 shown in Fig. 6 does not constitute the restriction to server, can include than illustrating more or less parts, or some parts of combination, or different parts is arranged, the embodiment of the present invention is not limited in any way to this.

Each component parts of the server 30 is specifically introduced with reference to Fig. 6：The processor 31 can be used for being asked according to the first session establishment of the first AF identification informations for carrying the 2nd AF sent, first session identification is associated with first using connection identifier, and the second session establishment request for carrying first session identification is sent to opposite end CSE, so that first session identification is associated by the opposite end CSE with second using connection identifier；And,

If it is determined that first bottom-layer network need to be switched into the second bottom-layer network, with the second session set up by second bottom-layer network between the opposite end CSE, then the second session identification distributed for second session is associated with described first using connection identifier, and the 3rd session establishment request for carrying second session identification is sent to the opposite end CSE, so that second session identification is associated by the opposite end CSE with described second using connection identifier；

Wherein, first session identification, which is used to identifying the CSE, passes through the first session for being set up between the first bottom-layer network and the opposite end CSE, the first application connection that the first application connection identifier is used to identify between the CSE and the first AF, the second application connection that the second application connection identifier is used to identify between the opposite end CSE and the 2nd AF.

Specifically, in embodiment of the present invention, the processor 31 can be used for after the first session establishment request for the identification information for carrying the 2nd AF that the first AF is sent is received, the 2nd AF carried in being asked according to first session establishment identification information is defined as the opposite end CSE that the 2nd AF provides service, and apply connection identifier for the first application connection distribution first between the CSE and the first AF, and, the first session identification for the first session distribution between the CSE and the opposite end CSE is associated with described first using connection identifier, associating between the first session connection and the first application connection is realized by way of associating the first session identification and the first application connection identifier.

Specifically, the incidence relation between first session identification and the first application connection identifier can realize that the embodiment of the present invention is not limited in any way to this by setting up the form of contingency table.It is in need again Illustrate, first session identification can generally be distributed by the CSE, can also be distributed certainly by the opposite end CSE, the embodiment of the present invention is not also limited in any way to this.

Further, in embodiment of the present invention, the processor 31 can also be used to send the request of the second session establishment to the opposite end CSE, so that after first session identification and second are associated by the opposite end CSE using connection identifier, receive the first session establishment response message that the opposite end CSE is returned, and after the first session establishment response message is received, the second session establishment response message is sent to the first AF, to complete the foundation of session between the first AF and the 2nd AF.

Further, when the processor 31 sends the second session establishment response message to the first AF, after foundation to complete the session between the first AF and the 2nd AF, first AF can be connected by the described first application, the first session and second application connect the transmission that data are carried out with the 2nd AF, wherein, first AF and the specific data transfer mode that the 2nd AF is used are same as the prior art, and the embodiment of the present invention is not repeated this.

Further, the server 30 may also include transceiver 32, wherein：

The transceiver 32 can be used for it is determined that need to switch to first bottom-layer network after the second bottom-layer network, and before second session identification is associated with described first using connection identifier, if it is determined that first session still keeps connection status, then network switching is sent to the opposite end CSE by first bottom-layer network to notify to indicate, notify the opposite end CSE to carry out network switching, and receive the network switching push-notification-answer message that the opposite end CSE is returned. Correspondingly, the processor 31 is particularly used in the network switching push-notification-answer message returned according to the opposite end CSE, the incidence relation between first session identification and the first application connection identifier is released, and second session identification is associated with described first using connection identifier.

Further, first session identification can be also carried in the 3rd session establishment request and for indicating that the opposite end CSE carries out the network switching instruction of network switching；

The processor 31 is particularly used in the opposite end CSE and sends the 3rd session establishment request, so that the network switching that the opposite end CSE is carried in being asked according to the 3rd session establishment is indicated, the incidence relation between first session identification and the second application connection identifier is released, and second session identification is associated with described second using connection identifier.

Further, the processor 31 can also be used to send the 3rd session establishment request to the opposite end CSE, so that after second session identification is associated by the opposite end CSE with described second using connection identifier, the 3rd session establishment response message that the opposite end CSE is returned is received, to complete the foundation of the second session between the CSE and the opposite end CSE.

Further, in order to improve application between data transmitting Jiang Di Lost bags possibility, in embodiment of the present invention, the processor 31 can be additionally used in it is determined that need to switch to first bottom-layer network after the second bottom-layer network, and make before second session identification is associated using connection identifier by the opposite end CSE with described second, however, it is determined that the first AF is data sending terminal, then Slow deposits the data that the first AF is sent；Or, if it is determined that the first AF is data receiver, the Data duplication from the opposite end CSE finally received is then sent to the first AF, or, the local Slow data from the opposite end CSE deposited are sent to the first AF by the way of reduction data transmission rate, with this on the premise of causing upper layer application can not perceive the switching of bottom-layer network, it is ensured that the transmitting of data.

Further, the processor 31 can also be used to send the request of the 3rd session establishment to the opposite end CSE, so that after second session identification is associated by the opposite end CSE with described second using connection identifier, if it is determined that the first AF is data sending terminal, then the identification information for the data from the CSE finally received that the opposite end CSE is sent is received；Or, however, it is determined that the first AF is data receiver, then the number from the opposite end CSE finally received is sent to the opposite end CSE According to identification information, continuity and accuracy during ensureing that follow-up first AF and the 2nd AF is carried out data transmission by the second bottom-layer network after switching.

Further, it is necessary to which explanation, the server 30 generally may also include the memory 33 that journey logic bomb required during for the processor 31 or the operation of the transceiver 32 etc. is stored, the embodiment of the present invention is not limited in any way to this.

The embodiment of the present invention six provides a kind of dialogue processing equipment CSE, when the CSE carries out the switching of bottom-layer network between the CSE of opposite end, by will be used to identify that the session identification of the new session between the CSE and opposite end CSE and be associated for identifying the first application connection identifier of the first application connection between the CSE and the first AF and second for identifying the second application connection between opposite end CSE and the 2nd AF using connection identifier, with in the case where ensureing that first does not turn off using connection and second using connection, switch bottom-layer network, and then realize the continuity of session between upper layer application, so as to preferably solve presently, there are be used for realize Di Ceng Wang Network switching when upper layer application between conversation continuity mode it is not good the problem of, improve the transition effect of session between upper layer application.Embodiment seven：

The embodiment of the present invention seven provides a kind of CSE that can be used for realizing method shown in the embodiment of the present invention two, as shown in Figure 7, it is the structural representation of CSE described in the embodiment of the present invention seven, for convenience of description, it illustrate only the part related to the embodiment of the present invention seven, particular technique details is not disclosed, refer to the various embodiments of the present invention shown in Fig. 2 or Fig. 3.

Specifically, the CSE is generally used for providing the standalone network device of respective communication service for setting AF（Such as mobile phone, tablet personal computer, the server network equipment）Or the integrated equipment in a certain network equipment（Or integration module）, the embodiment of the present invention is not limited in any way to this.Specifically, the embodiment of the present invention seven is illustrated so that the CSE is server as an example, and Fig. 7 is illustrated that the block diagram of the part-structure of the server 40 related to the embodiment of the present invention seven.

As shown in fig. 7, the server 40 can include：The grade part of processor 41.It it will be understood by those skilled in the art that the structure of the server 40 shown in Fig. 7 does not constitute the restriction to server, can include than illustrating more or less parts, either combine some parts or different parts arrangement, The embodiment of the present invention is not limited in any way to this.

Each component parts of the server 40 is specifically introduced with reference to Fig. 7：The processor 41 can be used for the second session establishment for carrying the first session identification sent according to opposite end CSE to ask, first session identification is associated with second using connection identifier, wherein, first session identification, which is used to identifying the opposite end CSE, passes through the first session for being set up between the first bottom-layer network and the CSE, the second application connection that the second application connection identifier is used to identify between the CSE and the 2nd AF, and, the second session establishment request is that the opposite end CSE is asked according to the first session establishment of the first AF identification informations for carrying the 2nd AF sent, sent after first session identification and first are associated using connection identifier, the first application connection that the first application connection identifier is used to identify between the opposite end CSE and the first AF；And,

If receiving the 3rd session establishment for carrying the second session identification request that the opposite end CSE is sent, then asked according to the 3rd session establishment, second session identification is associated with described second using connection identifier, wherein, the 3rd session establishment request is the opposite end CSE when it is determined that first bottom-layer network need to be switched to the 2nd bottom layer net Network, sent after second session identification and the mat woven of fine bamboo strips one are associated using connection identifier, second session identification, which is used to identifying the opposite end CSE, passes through the second session for being set up between second bottom-layer network and the CSE.

Specifically, in embodiment of the present invention, the information such as the first AF identification information and the 2nd AF identification information can be also carried in the second session establishment request, so that the processor 41 is after the second session establishment request is received, the information such as the first AF carried in being asked according to second session establishment identification information and the 2nd AF identification information, it is determined that the communicating pair of session connection to be set up, and apply connection identifier to be associated by the first session identification carried in second session establishment request and for second of the second application connection distribution between the CSE and the 2nd AF.

Further, in embodiment of the present invention, the processor 41 can be used for after the second session establishment request is received, by determining whether the first AF or described opposite end CSE possess corresponding access rights or determine whether first session identification does not conflict mutually with other local allocated session identifications of the CSE, to determine whether to set up first session, and be that second application connection the second application of distribution between the CSE and the 2nd AF is connected when judged result is to be Mark, and described second is associated using connection identifier with first session identification.

Further, in embodiment of the present invention, the processor 41 can be additionally used in after the described second application connection identifier is associated with first session identification, asked by sending the 4th session establishment to the 2nd AF, and receive the mode for the 4th session establishment response that the 2nd AF is returned, the second application set up between the 2nd AF is connected, and, it can be additionally used in after described second is successfully established using connection, the first session establishment response message is returned to the opposite end CSE, so that the opposite end CSE is after the first session establishment response message is received, the second session establishment response message is sent to the first AF, to complete the foundation of session between the first AF and the 2nd AF.

Further, the CSE may also include transceiver 42, wherein：

The transceiver 42 can be used for before the 3rd session establishment for carrying the second session identification request that the opposite end CSE is sent is received, receive the network switching notice instruction that the opposite end CSE is sent, and notified to indicate according to the network switching, second application is kept to connect constant, and, network switching push-notification-answer message is returned to the opposite end CSE, so that the opposite end CSE is according to the network switching push-notification-answer message, release the incidence relation between first session identification and the first application connection identifier, and be associated second session identification using connection identifier with described first；

Further, first session identification can be also carried in the 3rd session establishment request that the processor 41 is received and for indicating that the CSE carries out the network switching instruction of network switching；Correspondingly, the processor 41 is particularly used in indicates according to the network switching carried in the 3rd session establishment request, releases between first session identification and the second application connection identifier Incidence relation, and second session identification is associated with described second using connection identifier.

Further, in embodiment of the present invention, the processor 41 can also be used to ask according to the 3rd session establishment, after second session identification is associated with described second using connection identifier, the 3rd session establishment response message is returned to the opposite end CSE, to complete the foundation of the second session between the opposite end CSE and the CSE.

Further, in order to improve application between data transmitting, reduce the possibility of packet loss, in embodiment of the present invention, the processor 41 can be additionally used in after the 3rd session establishment for carrying the second session identification request that the opposite end CSE is sent is received, and asked according to the 3rd session establishment, before second session identification is associated with described second using connection identifier, if it is determined that the 2nd AF is data sending terminal, then Slow deposits the data that the 2nd AF is sent；Or, if it is determined that the 2nd AF is data receiver, the Data duplication from the opposite end CSE finally received is then sent to the 2nd AF, or, the local Slow data from the opposite end CSE deposited are sent to the 2nd AF by the way of reduction data transmission rate, with this on the premise of causing upper layer application can not perceive the switching of bottom-layer network, it is ensured that the transmitting of data.

Further, the processor 41 can also be used to ask according to the 3rd session establishment, after second session identification is associated with described second using connection identifier, if it is determined that the 2nd AF is data sending terminal, then the identification information for the data from the CSE finally received that the opposite end CSE is sent is received；Or, if it is determined that the 2nd AF is data receiver, the identification information of the data from the opposite end CSE finally received, continuity and accuracy during ensureing that follow-up first AF and the 2nd AF is carried out data transmission by the second bottom-layer network after switching are then sent to the opposite end CSE.

Further, it is necessary to which explanation, the server 40 generally may also include the memory 43 that journey logic bomb required during for the processor 41 or the operation of the transceiver 42 etc. is stored, the embodiment of the present invention is not limited in any way to this.

The embodiment of the present invention seven provides a kind of dialogue processing equipment CSE, between the CSE and opposite end CSE during the switching of progress bottom-layer network, by will be used to identify that the session identification of the new session between opposite end CSE and the CSE and for identifying the first application connection identifier of the first application connection between opposite end CSE and the first AF and the second application for identifying between the CSE and the 2nd AF are connected second It is associated using connection identifier, with in the case where ensureing that first does not turn off using connection and second using connection, switch bottom-layer network, and then realize the continuity of session between upper layer application, so as to preferably solve presently, there are be used for realize bottom-layer network switching when upper layer application between conversation continuity mode it is not good the problem of, improve the transition effect of session between upper layer application.

It will be understood by those skilled in the art that embodiments of the invention can be provided as method, device（Equipment）Or computer program product.Therefore, the form of the embodiment in terms of the present invention can use complete hardware embodiment, complete software embodiment or combine software and hardware.Moreover, the present invention can be used (includes but is not limited to magnetic disk storage, CD-ROM, optical memory etc. in one or more computer-usable storage mediums for wherein including computer usable program code）The form of the computer program product of upper implementation.

The present invention is with reference to method according to embodiments of the present invention, device（Equipment）Described with the flow chart and/or block diagram of computer program product.It should be understood that can by the flow in each flow and/or square frame and flow chart and/or block diagram in computer program instructions implementation process figure and/or block diagram and/or square frame combination.These computer program instructions can be provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices to produce a machine so that produce the device for being used for realizing the function of specifying in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames by the instruction of the computing device of computer or other programmable data processing devices.

These computer program instructions may be alternatively stored in the computer-readable memory that computer or other programmable data processing devices can be guided to work in a specific way, so that the instruction being stored in the computer-readable memory, which is produced, includes the manufacture of command device, the command device realizes the function of being specified in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames.

These computer program instructions can also fill cultivation to computer or other programmable data processing devices, so that series of operation steps is performed on computer or other programmable devices to produce computer implemented processing, so that the instruction performed on computer or other programmable devices provides the step of being used to realize the function of specifying in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames.

Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creative concept, then other change and modification can be made to these embodiments.So, appended claims are intended to be construed to include preferred embodiment and fall into having altered and changing for the scope of the invention. Obviously, those skilled in the art can carry out various changes and modification to the present invention without departing from the spirit and scope of the present invention.So, if these modifications and variations of the present invention belong within the scope of the claims in the present invention and its equivalent technologies, then the present invention is also intended to comprising including these changes and modification.

Claims

Claim

1st, a kind of conversation processing method, it is characterised in that including：

First generic service entity CSE is asked according to the first session establishment of the first Application Function AF identification informations for carrying the 2nd AF sent, first session identification is associated with first using connection identifier, and the second session establishment request for carrying first session identification is sent to the 2nd CSE, so that first session identification is associated by the 2nd CSE with second using connection identifier, wherein, first session identification, which is used to identifying the first CSE, passes through the first session for being set up between the first bottom-layer network and the 2nd CSE, the first application connection that the first application connection identifier is used to identify between the first CSE and the first AF, the second application connection that the second application connection identifier is used to identify between the 2nd CSE and the 2nd AF；And,

If it is determined that first bottom-layer network need to be switched into the second bottom-layer network, with the second session set up by second bottom-layer network between the 2nd CSE, then the second session identification distributed for second session is associated with described first using connection identifier, and the 3rd session establishment request for carrying second session identification is sent to the 2nd CSE, so that second session identification is associated by the 2nd CSE with described second using connection identifier.

2nd, conversation processing method as claimed in claim 1, it is characterized in that, it is determined that need to switch to first bottom-layer network after the second bottom-layer network, and before second session identification is associated with described first using connection identifier, methods described also includes：

If it is determined that first session still keeps connection status, then network switching is sent to the 2nd CSE by first bottom-layer network to notify to indicate, notify the 2nd CSE to carry out network switching, and receive the network switching push-notification-answer message that the 2nd CSE is returned；

Second session identification is associated with described first using connection identifier, including：The network switching push-notification-answer message returned according to the 2nd CSE, releases the incidence relation between first session identification and the first application connection identifier, and second session identification is associated with described first using connection identifier.

3rd, the conversation processing method as described in claim 1 or 2 is any, it is characterised in that it is determined that needing First bottom-layer network is switched to after the second bottom-layer network, and made before second session identification is associated using connection identifier by the 2nd CSE with described second, methods described also includes：

If it is determined that the first AF is data sending terminal, then Slow deposits the data that the first AF is sent；Or,

If it is determined that the first AF is data receiver, the Data duplication from the 2nd CSE finally received is then sent to the first AF, or, the local Slow data from the 2nd CSE deposited are sent to the first AF by the way of reduction data transmission rate.

4th, the conversation processing method as described in claim 1 or 2 is any, it is characterised in that first session identification is also carried in the 3rd session establishment request and for indicating that the 2nd CSE carries out the network switching instruction of network switching；

The 3rd session establishment request is sent to the 2nd CSE, so that second session identification is associated by the 2nd CSE with described second using connection identifier, including：

The 3rd session establishment request is sent to the 2nd CSE, indicated so that the net Network that the 2nd CSE is carried in being asked according to the 3rd session establishment switches, the incidence relation between first session identification and the second application connection identifier is released, and second session identification is associated with described second using connection identifier.

5th, conversation processing method as claimed in claim 3, it is characterized in that, the request of the 3rd session establishment is being sent to the 2nd CSE, so that after second session identification is associated by the 2nd CSE with described second using connection identifier, methods described also includes：

If it is determined that the first AF is data sending terminal, then the identification information for the data from the first CSE finally received that the 2nd CSE is sent is received；Or,

If it is determined that the first AF is data receiver, then the identification information of the data from the 2nd CSE finally received is sent to the 2nd CSE.

6th, a kind of conversation processing method, it is characterised in that including：

The second session establishment for carrying the first session identification that second generic service entity CSE is sent according to the first CSE is asked, first session identification is associated with second using connection identifier, wherein, first session identification passes through the first bottom-layer network and the 2nd CSE for identifying the first CSE Between the first session for setting up, the second application connection that the second application connection identifier is used to identify between the 2nd CSE and the second Application Function AF, and, the second session establishment request is that the first CSE is asked according to the first session establishment of the first AF identification informations for carrying the 2nd AF sent, sent after first session identification and first are associated using connection identifier, the first application connection that the first application connection identifier is used to identify between the first CSE and the first AF；And,

If receiving the 3rd session establishment for carrying the second session identification request that the first CSE is sent, then asked according to the 3rd session establishment, second session identification is associated with described second using connection identifier, wherein, the 3rd session establishment request is the first CSE when it is determined that first bottom-layer network need to be switched into the second bottom-layer network, sent after second session identification is associated with described first using connection identifier, second session identification, which is used to identifying the first CSE, passes through the second session for setting up between the layer net Network and the 2nd CSE of the 2nd bottom.

7th, the conversation processing method as described in claim 6, it is characterised in that before the 3rd session establishment for carrying the session identification of the mat woven of fine bamboo strips two request that the first CSE is sent is received, methods described also includes：Receive the network switching notice instruction that the first CSE is sent, wherein, the network switching notice instruction is the first CSE it is determined that first bottom-layer network need to be switched into second bottom-layer network, and when determining that first session still keeps connection status, sent by first bottom-layer network to the 2nd CSE；

Notified to indicate according to the network switching, second application is kept to connect constant, and return to network switching push-notification-answer message to the first CSE, so that the first CSE is according to the network switching push-notification-answer message, the incidence relation between first session identification and the first application connection identifier is released, and second session identification is associated with described first using connection identifier.

8th, the conversation processing method as described in claim 6 or 7 is any, it is characterized in that, after the 3rd session establishment for carrying the second session identification request that the first CSE is sent is received, and asked according to the 3rd session establishment, before second session identification is associated with described second using connection identifier, methods described also includes：

If it is determined that the 2nd AF is data sending terminal, then Slow deposits the data that the 2nd AF is sent；Or Person,

If it is determined that the 2nd AF is data receiver, the Data duplication from the first CSE finally received is then sent to the 2nd AF, or, the local Slow data from the first CSE deposited are sent to the 2nd AF by the way of reduction data transmission rate.

9th, the conversation processing method as described in claim 6 or 7 is any, it is characterised in that first session identification is also carried in the 3rd session establishment request and for indicating that the 2nd CSE carries out the network switching instruction of network switching；

Asked according to the 3rd session establishment, second session identification is associated with described second using connection identifier, including：

The network switching carried in being asked according to the 3rd session establishment is indicated, the incidence relation between first session identification and the second application connection identifier is released, and second session identification is associated with described second using connection identifier.

10th, the conversation processing method as described in claim 8, it is characterised in that asked according to the 3rd session establishment, after second session identification is associated with described second using connection identifier, methods described also includes：

If it is determined that the 2nd AF is data sending terminal, then the identification information for the data from the 2nd CSE finally received that the first CSE is sent is received；Or,

If it is determined that the 2nd AF is data receiver, then the identification information of the data from the first CSE finally received is sent to the first CSE.

11st, a kind of generic service entity CSE, it is characterised in that including：

First mark relating module, for being asked according to the first session establishment of the first Application Function AF identification informations for carrying the 2nd AF sent, first session identification is associated with first using connection identifier, and the second session establishment request for carrying first session identification is sent to opposite end CSE, so that first session identification is associated by the opposite end CSE with second using connection identifier, wherein, first session identification, which is used to identifying the CSE, passes through the first session for being set up between the first bottom-layer network and the opposite end CSE, the first application connection that the first application connection identifier is used to identify between the CSE and the first AF, it is described second application connection identifier be used for identify the opposite end CSE with it is described The second application connection between 2nd AF；

Second mark relating module, for if it is determined that first bottom-layer network need to be switched into the second bottom-layer network, with the second session set up by second bottom-layer network between the opposite end CSE, then the second session identification distributed for second session is associated with described first using connection identifier, and the 3rd session establishment request for carrying second session identification is sent to the opposite end CSE, so that second session identification is associated by the opposite end CSE with described second using connection identifier.

12nd, CSE as claimed in claim 11, it is characterised in that the CSE also includes signal dispatcher module：

Described information transceiver module, for it is determined that first bottom-layer network need to be switched to after the second bottom-layer network, and before second session identification is associated with described first using connection identifier, if it is determined that first session still keeps connection status, then network switching is sent to the opposite end CSE by first bottom-layer network to notify to indicate, notify the opposite end CSE to carry out network switching, and receive the network switching push-notification-answer message that the opposite end CSE is returned；

The second mark relating module, specifically for the network switching push-notification-answer message returned according to the opposite end CSE, the incidence relation between first session identification and the first application connection identifier is released, and second session identification is associated with described first using connection identifier.

13rd, the CSE as described in claim 11 or 12 is any, it is characterised in that the CSE also includes data processing module：

The data processing module, for it is determined that first bottom-layer network need to be switched to after the second bottom-layer network, and make before second session identification is associated using connection identifier by the opposite end CSE with described second, if it is determined that the first AF is data sending terminal, then Slow deposits the data that the first AF is sent；Or, if it is determined that the first AF is data receiver, the Data duplication from the opposite end CSE finally received is then sent to the first AF, or, the local Slow data from the opposite end CSE deposited are sent to the first AF by the way of reduction data transmission rate.

14th, the CSE as described in claim 11 or 12 is any, it is characterised in that first session identification is also carried in the 3rd session establishment request and for indicating that the opposite end CSE carries out the network switching instruction of network switching； The second mark relating module, asked specifically for sending the 3rd session establishment to the opposite end CSE, so that the network switching that the opposite end CSE is carried in being asked according to the 3rd session establishment is indicated, the incidence relation between first session identification and the second application connection identifier is released, and second session identification is associated with described second using connection identifier.

15th, CSE as claimed in claim 13, it is characterised in that

The data processing module, it is additionally operable to sending the request of the 3rd session establishment to the opposite end CSE, so that after second session identification is associated by the opposite end CSE with described second using connection identifier, if it is determined that the first AF is data sending terminal, then the identification information for the data from the CSE finally received that the opposite end CSE is sent is received；Or, however, it is determined that the first AF is data receiver, then the identification information of the data from the opposite end CSE finally received is sent to the opposite end CSE.

16th, a kind of generic service entity CSE, it is characterised in that including：

First mark relating module, for the second session establishment for carrying the first session identification request sent according to opposite end CSE, first session identification is associated with second using connection identifier, wherein, first session identification, which is used to identifying the opposite end CSE, passes through the first session for being set up between the first bottom-layer network and the CSE, the second application connection that the second application connection identifier is used to identify between the CSE and the second Application Function AF, and, the second session establishment request is that the opposite end CSE is asked according to the first session establishment of the first AF identification informations for carrying the 2nd AF sent, sent after first session identification and first are associated using connection identifier, the first application connection that the first application connection identifier is used to identify between the opposite end CSE and the first AF；

Second mark relating module, if for receiving the 3rd session establishment for carrying the second session identification request that the opposite end CSE is sent, then asked according to the 3rd session establishment, second session identification is associated with described second using connection identifier, wherein, the 3rd session establishment request is the opposite end CSE when it is determined that first bottom-layer network need to be switched into the second bottom-layer network, sent after second session identification is associated with described first using connection identifier, second session identification, which is used to identifying the opposite end CSE, passes through the second session for being set up between second bottom-layer network and the CSE. 17th, CSE as claimed in claim 16, it is characterised in that the CSE also includes signal dispatcher module：

Described information transceiver module, for before the 3rd session establishment for carrying the second session identification request that the opposite end CSE is sent is received, receive the opposite end CSE and send the instruction of Wang Network switching notices, and notified to indicate according to the network switching, second application is kept to connect constant, and, network switching push-notification-answer message is returned to the opposite end CSE, so that the opposite end CSE is according to the network switching push-notification-answer message, release the incidence relation between first session identification and the first application connection identifier, and be associated second session identification using connection identifier with described first；

Wherein, the network switching notice instruction is the opposite end CSE it is determined that first bottom-layer network need to be switched into second bottom-layer network, and when determining that first session still keeps connection status, sent by first bottom-layer network to the CSE.

18th, the CSE as described in claim 16 or 17 is any, it is characterised in that the CSE also includes data processing module：

The data processing module, for after the 3rd session establishment for carrying the second session identification request that the opposite end CSE is sent is received, and asked according to the 3rd session establishment, before second session identification is associated with described second using connection identifier, if it is determined that the 2nd AF is data sending terminal, then Slow deposits the data that the 2nd AF is sent；Or, if it is determined that the 2nd AF is data receiver, the Data duplication from the opposite end CSE finally received is then sent to the 2nd AF, or, the local Slow data from the opposite end CSE deposited are sent to the 2nd AF by the way of reduction data transmission rate.

19th, the CSE as described in claim 16 or 17 is any, it is characterised in that first session identification is also carried in the 3rd session establishment request and for indicating that the CSE carries out the network switching instruction of network switching；

The second mark relating module, indicated specifically for the network switching carried in being asked according to the 3rd session establishment, the incidence relation between first session identification and the second application connection identifier is released, and second session identification is associated with described second using connection identifier.

20th, CSE as claimed in claim 18, it is characterised in that The data processing module, it is additionally operable to ask according to the 3rd session establishment, after second session identification is associated with described second using connection identifier, if it is determined that the 2nd AF is data sending terminal, then the identification information for the data from the CSE finally received that the opposite end CSE is sent is received；Or, however, it is determined that the 2nd AF is data receiver, then the identification information of the data from the opposite end CSE finally received is sent to the opposite end CSE.