CN107592328A - The continuous implementation method of session, apparatus and system - Google Patents
The continuous implementation method of session, apparatus and system Download PDFInfo
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- CN107592328A CN107592328A CN201610536684.6A CN201610536684A CN107592328A CN 107592328 A CN107592328 A CN 107592328A CN 201610536684 A CN201610536684 A CN 201610536684A CN 107592328 A CN107592328 A CN 107592328A
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- pdu sessions
- session
- pdu
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
Abstract
The invention provides a kind of continuous implementation method of session, apparatus and system, wherein, methods described includes：Configured information is sent to terminal, wherein, the configured information is used for the redirection session for indicating that the first protocol Data Unit PDU sessions are the 2nd PDU sessions, first PDU sessions be the terminal determine to need will the 2nd PDU session redirections that currently establish to terminating subscriber face function TUPF when, initiate to establish the first established PDU sessions of request to network side equipment.Using above-mentioned technical proposal, solve in correlation technique, terminal can not judge that newly-established PDU sessions are the problem of which PDU session are redirected, and then terminal can determine that newly-established PDU sessions are come by which PDU sessions switching according to configured information.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of continuous implementation method of session, apparatus and system.
Background technology
Fig. 1 is the configuration diagram of 4G networks in correlation technique, as shown in figure 1, each network element includes in the network architecture：Eventually
Hold (User Equipment, referred to as UE), 4G networks are mainly accessed by radio open and serviced, terminal is by eating dishes without rice or wine
With base station interactive information, pass through Non-Access Stratum signaling (Non Access Stratum, referred to as NAS) and the mobility of core net
Administrative unit interactive information.
Base station (Radio Access Network, referred to as RAN), be responsible for accessing terminal to network interface-free resources scheduling and
And the connection management eated dishes without rice or wine, it is also responsible for detecting user's up-downgoing speed, to ensure in the maximum allowed no more than the user
Downstream rate.
Mobile management entity (Mobile Management Entity, referred to as MME)：Core network control surface unit, it is main
It is responsible for the authentication to user, mandate and signing to check, to ensure that user is validated user；User mobility management, including
Location registration and temporary mark distribution；Safeguard IDLE (free time) and CONNECT (connection) states and state transition；
Switching under CONNECT states；Packet Data Network (Packet Data Network, referred to as PDN) connects and the dimension of carrying
Shield, including the function of session management such as create, change and delete；The function such as triggering paging under user's IDLE state.
Gateway Serving GW：Core network user face functional unit, mainly under responsible roaming condition and grouped data
Net (Packet Data Network, referred to as PDN) GW interaction；Downlink data packet is received under user's IDLE state to be delayed
Deposit and notify MME calling users；Across the user plane anchor point of base station and across functions such as the ambulant user plane anchor points of 2G/3G/4G.
Packet data gateway PDN GW：Core network user face functional unit, it is the access point of terminal access PDN networks, bears
Distributing user IP address is blamed, the carrying of network-triggered is established, changes and deleted, also with network service quality (Quality of
Server, referred to as QoS) the control function such as charging is user in 3rd Generation Partnership Project (Third Generation
Partnership Project, referred to as 3GPP) in system and the anchor point that switches between non-3 GPP system, so as to ensure
IP address is constant, ensures business continuance.Packet data gateway is also responsible for detecting session up-downgoing speed, to ensure no more than
The maximum up-downgoing speed that the user conversation is allowed.
Industry studies Next-Generation Wireless Communication Systems at present, and proposes configuration diagram as shown in Figure 2.Wherein,
User plane functions entity includes terminating subscriber face (Terminating user-plane function, referred to as TUPF), is used for
UE accesses data network (Data Network, referred to as DN) entrance.During Next-Generation Wireless Communication Systems are studied, carry
Gone out new needs summation scheme to business continuance.Wherein, session and business continuance (Session and are defined
Service continuity, referred to as SSC) 3 kinds of patterns.
Pattern 1：No matter how the access network that UE is used changes, and TUPF keeps constant；
Pattern 2：(TUPF keeps constant when UE is only moved in one group of subset of access network attachment point.When UE leaves TUPF
Coverage, the different TUPF for being suitable for UE present Access attachment points will be used to service UE.
Pattern 3：As shown in figure 3, UE is allowed to protocol Data Unit (Protocol Data Unit, abbreviation before
For PDU) session is by before final terminated, the newly-built one PDU session for arriving same DN, when a new PDU meeting is established in UE requests
During words, network selects the TUPF of the new point of network attachment of a suitable UE.When two PDU are activated simultaneously, UE will be applied from old
PDU conversation shifts to new PDU sessions, or UE waits the application for being bundled in old PDU sessions to terminate.
In order to ensure business continuance, in pattern 3, in the case where business continuance is supported in application, UE will can be tied up
Be scheduled on old PDU sessions moves to new PDU sessions.But the problem of following be present.First, as shown in figure 4, UE passes through AN1
Establish 2 and establish 2 PDN session (distribution is PDU session1 and PDU session2), net to same DN
Network is that the two PDU session have selected same TUPF (i.e. TUPF), and the two PDU session have identical user
Id, DN name. are in order to realize the policy control to PDU session, and chain of command (Control Plane, referred to as CP) is respectively
Be Policy Function establish 2 Policy Control session (i.e. Policy Control session1 and
Policy Control Session2) .UE accesses application using PDN session1, so that AF establishes AF session1 offers
AF session1 and PDU session 1 is associated by business information, CP.Wherein UE have accessed by PDU session1
Certain application, AF corresponding to the application establish AF session1 and provide business information, Policy to Policy Function
AF session1 and Policy control session1 are associated by Function.
Then, as shown in figure 5, after UE is moved to AN2, network indicates UE by PDU session1 and PDN session
2 need to be redirected to new TUPF.Indicated according to networking, UE establishes new PDU session3, establishes PDU
UE carries user id and DN name during session3, but Policy Function can not determine PDU
Session3 is which PDU session switching comes.Therefore can not judge whether AF session1 and PDU
Session3 (i.e. Policy Control session3) is associated, in addition, even if CP can be by AF session1 and PDU
Session3 carries out relation, but terminal still can not judge that PDU session3 are which PDU session is redirected.
For in correlation technique, terminal can not judge that newly-established PDU sessions are asking for which PDU session redirection
Topic, not yet proposes effective solution.
The content of the invention
The embodiments of the invention provide a kind of continuous implementation method of session, apparatus and system, at least to solve related skill
Terminal can not judge that newly-established PDU sessions are the problem of which PDU session are redirected in art.
According to an aspect of the invention, there is provided a kind of continuous implementation method of session, including：
Configured information is sent to terminal, wherein, the configured information is used to indicate that the first protocol Data Unit PDU sessions are
The redirection session of 2nd PDU sessions, the first PDU sessions are that the terminal determines to need the 2nd PDU that will currently establish
When session redirection is to terminating subscriber face function TUPF, initiates to establish to network side equipment and ask the first established PDU sessions.
Alternatively, configured information is sent to terminal, including：Sent to the terminal and carry the 2nd PDU sessions
The configured information of session identification, wherein, the session identification is used for the PDU sessions of unique mark the 2nd.
Alternatively, before the configured information for the session identification for carrying the 2nd PDU sessions being sent to the terminal, institute
Stating method also includes：
The redirection session that the first PDU sessions are the 2nd PDU sessions is determined according to the session identification.
Alternatively, the session identification includes：When establishing the 2nd PDU sessions, distributed for the 2nd PDU sessions
Session identification；The internet-ip address or IPv6 address prefixs of the 2nd PDU sessions；Redirecting the 2nd PDU meetings
During words, for the session identification of the 2nd PDU sessions distribution.
Alternatively, configured information is sent to terminal, including：
The configured information is sent to the terminal by intermediate router user plane (User Plane, referred to as UP).
According to another aspect of the present invention, a kind of continuous implementation method of session is additionally provided, including：
The configured information that network side equipment is sent is received, wherein, the configured information is used to indicate the first protocol data list
First PDU sessions are the redirection session of the 2nd PDU sessions, and the first PDU sessions are described in terminal determination needs will be established currently
When 2nd PDU session redirections are to terminating subscriber face function TUPF, initiate to establish to network side equipment and ask established first
PDU sessions.
Alternatively, the configured information includes at least one of：The terminal connects when establishing the 2nd PDU sessions
The session identification of the 2nd PDU sessions, the IP address of the 2nd PDU sessions or IPv6 address prefixs, the end received
Hold the 2nd PDU session label informations received in network transmission redirection TUPF message.
According to another aspect of the present invention, additionally provide a kind of session and continuously realize system, including：Terminal, network
Side apparatus, wherein, the network side equipment, for sending configured information to the terminal, wherein, the configured information is used to refer to
Show the redirection session that the first protocol Data Unit PDU sessions are the 2nd PDU sessions, the first PDU sessions determine for the terminal
When the 2nd PDU session redirections for needing currently to establish are to terminating subscriber face function TUPF, initiated to network side equipment
Establish and ask the first established PDU sessions.
Alternatively, the network side equipment, it is additionally operable to send the session for carrying the 2nd PDU sessions to the terminal
The configured information of mark, wherein, the session identification is used for the PDU sessions of unique mark the 2nd, and the network side equipment is according to institute
State the redirection session that session identification determines that the first PDU sessions are the 2nd PDU sessions.
According to another aspect of the present invention, a kind of continuous realization device of session is additionally provided, including：
Sending module, for sending configured information to terminal, wherein, the configured information is used to indicate the first protocol data
Unit PDU sessions are the redirection session of the 2nd PDU sessions, and the first PDU sessions are that the terminal determines that needs will be established currently
The 2nd PDU session redirections to terminating subscriber face function TUPF when, to network side equipment initiate establish request established
The first PDU sessions.
Alternatively, the sending module, it is additionally operable to send the session mark for carrying the 2nd PDU sessions to the terminal
The configured information of knowledge, wherein, the session identification is used for the PDU sessions of unique mark the 2nd, and the network side equipment is according to
Session identification determines the redirection session that the first PDU sessions are the 2nd PDU sessions.
According to another aspect of the present invention, a kind of continuous realization device of session is additionally provided, including：
Receiving module, for receiving the configured information of network side equipment transmission, wherein, the configured information is used to indicate the
One protocol Data Unit PDU sessions are the redirection session of the 2nd PDU sessions, and the first PDU sessions are that terminal determines that needs ought
When the 2nd PDU session redirections of preceding foundation are to terminating subscriber face function TUPF, initiate to establish request to network side equipment
The first PDU sessions established.
By the present invention, configured information is sent to terminal, wherein, the configured information is used to indicate the first protocol data list
First PDU sessions are the redirection session of the 2nd PDU sessions, using above-mentioned technical proposal, are solved in correlation technique, terminal can not
It is the problem of which PDU session is redirected to judge newly-established PDU sessions, and then terminal can determine according to configured information
Newly-established PDU sessions are come by which PDU sessions switching.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the configuration diagram of 4G networks in correlation technique；
Fig. 2 is Next-Generation Wireless Communication Systems structural representation in correlation technique；
Fig. 3 is the schematic diagram of SSC patterns 3 in correlation technique；
Fig. 4 is schematic diagram (one) of problems in the prior art；
Fig. 5 is schematic diagram (two) of problems in the prior art；
Fig. 6 is schematic diagram (three) of problems in the prior art；
Fig. 7 is the hardware block diagram for the terminal that a kind of session of the embodiment of the present invention is continuously realized；
Fig. 8 is the flow chart of the according to embodiments of the present invention 1 continuous implementation method of session；
Fig. 9 is the flow chart of the according to embodiments of the present invention 2 continuous implementation method of session；
Figure 10 is the structured flowchart (one) of the according to embodiments of the present invention 3 continuous realization device of session；
Figure 11 is the structured flowchart (two) of the according to embodiments of the present invention 3 continuous realization device of session；
Figure 12 is the structured flowchart of the according to embodiments of the present invention 4 continuous realization device of session；
Figure 13 is the flow chart (one) for realizing business continuance method according to embodiments of the present invention；
Figure 14 is the flow chart (two) for realizing business continuance method according to embodiments of the present invention；
Figure 15 is the flow chart (three) for realizing business continuance method according to embodiments of the present invention；
Figure 16 is the flow chart (four) for realizing business continuance method according to embodiments of the present invention；
Figure 17 is the flow chart (five) for realizing business continuance method according to embodiments of the present invention.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or the intrinsic other steps of equipment or unit.
Embodiment 1
According to embodiments of the present invention, a kind of embodiment of the method for the processing of content of pages is additionally provided, it is necessary to illustrate,
It can be performed the step of the flow of accompanying drawing illustrates in the computer system of such as one group computer executable instructions, and
And although showing logical order in flow charts, in some cases, can be with different from order execution institute herein
The step of showing or describing.
The embodiment of the method that the embodiment of the present application 1 is provided can be in mobile terminal, terminal or similar fortune
Calculate and performed in device.Exemplified by running on computer terminals, Fig. 7 is that a kind of session of the embodiment of the present invention is continuously realized
The hardware block diagram of terminal.(only shown in figure as shown in fig. 7, terminal 10 can include one or more
One) (processor 102 can include but is not limited to Micro-processor MCV or PLD FPGA etc. place to processor 102
Manage device), the memory 104 for data storage and the transport module 106 for communication function.Ordinary skill
Personnel are appreciated that the structure shown in Fig. 7 is only to illustrate, and it does not cause to limit to the structure of above-mentioned electronic installation.For example, meter
Calculation machine terminal 10 may also include more either less components than shown in Fig. 7 or have the configuration different from shown in Fig. 7.
Memory 104 can be used for the software program and module of storage application software, such as the page in the embodiment of the present invention
Programmed instruction/module corresponding to the processing method of content, processor 102 are stored in the software journey in memory 104 by operation
Sequence and module, so as to perform various function application and data processing, that is, realize the Hole Detection side of above-mentioned application program
Method.Memory 104 may include high speed random access memory, may also include nonvolatile memory, as one or more magnetic is deposited
Storage device, flash memory or other non-volatile solid state memories.In some instances, memory 104 can further comprise relatively
In the remotely located memory of processor 102, these remote memories can pass through network connection to terminal 10.It is above-mentioned
The example of network includes but is not limited to internet, intranet, LAN, mobile radio communication and combinations thereof.
Transmitting device 106 is used to data are received or sent via a network.Above-mentioned network instantiation may include
The wireless network that the communication providerses of terminal 10 provide.In an example, transmitting device 106 is fitted including a network
Orchestration (Network Interface Controller, NIC), its can be connected by base station with other network equipments so as to
Internet is communicated.In an example, transmitting device 106 can be radio frequency (Radio Frequency, RF) module, its
For wirelessly being communicated with internet.
Under above-mentioned running environment, this application provides the continuous implementation method of session as shown in Figure 8.Fig. 8 is basis
The flow chart of the continuous implementation method of session of the embodiment of the present invention 1, as shown in figure 8, comprising the following steps：
Step S802, network side equipment send configured information to terminal, wherein, configured information is used to indicate the first agreement number
According to the redirection session that unit PDU sessions are the 2nd PDU sessions, the first PDU sessions are that terminal determines to need currently to establish
When 2nd PDU session redirections are to terminating subscriber face function TUPF, initiate to establish to network side equipment and ask established first
PDU sessions.
By above-mentioned steps, configured information is sent to terminal, the configured information is used to indicate the first protocol Data Unit PDU
Session is the redirection session of the 2nd PDU sessions, using above-mentioned technical proposal, is solved in correlation technique, terminal can not judge
Newly-established PDU sessions are the problem of which PDU session are redirected, so terminal can be determined according to configured information it is newly-built
Vertical PDU sessions are come by which PDU sessions switching.
Determine to need will currently establish second it should be noted that the first PDU sessions of the embodiment of the present invention are terminal
When PDU session redirections are to terminating subscriber face function TUPF, initiate to establish to network side equipment and ask the first established PDU meetings
Words.
Step S802 can have a variety of implementations, in an optional example of the embodiment of the present invention, can by with
Under type is realized：The configured information for the session identification for carrying the 2nd PDU sessions is sent to terminal, wherein, the session identification is used
In the PDU sessions of unique mark the 2nd.
Alternatively, before the configured information for the session identification for carrying the 2nd PDU sessions being sent to terminal, the above method is also
Including：The redirection session that first PDU sessions are the 2nd PDU sessions is determined according to session identification.
In actual application, a kind of implementation that configured information is sent to terminal is additionally provided：Pass through middle road
Configured information is sent from device UP to terminal, preferred embodiment below can illustrate, and here is omitted.
Certainly, step is being performed according to the 2nd PDU meetings of association of the session identification of the first PDU sessions carried in request message
After words and application function AF sessions, the renewal business information that AF is provided by AF sessions can also be received.
In embodiments of the present invention, session identification includes at least one of：When establishing the 2nd PDU sessions, it is
The session identification of the 2nd PDU sessions distribution；The internet-ip address or IPv6 address prefixs of the 2nd PDU sessions；
When redirecting the 2nd PDU sessions, for the session identification of the 2nd PDU sessions distribution.
Embodiment 2
Fig. 8 in embodiment 1 is mainly described from network side equipment, in order to improve above-mentioned technical proposal, in the present invention
In embodiment, additionally provide a kind of continuous implementation method of session, Fig. 9 be according to embodiments of the present invention 2 session it is continuously real
The flow chart of existing method, as shown in figure 9, comprising the following steps：
Step S902, the configured information that network side equipment is sent is received, wherein, configured information is used to indicate the first agreement number
According to the redirection session that unit PDU sessions are the 2nd PDU sessions, the first PDU sessions are that terminal determines to need currently to establish
When 2nd PDU session redirections are to terminating subscriber face function TUPF, initiate to establish to network side equipment and ask established first
PDU sessions.
By above-mentioned steps, terminal receives the configured information that network side equipment is sent, and the configured information is used to indicate first
Protocol Data Unit PDU sessions are the redirection session of the 2nd PDU sessions, using above-mentioned technical proposal, solve correlation technique
In, terminal can not judge that newly-established PDU sessions are the problem of which PDU session are redirected, and then terminal being capable of basis
Configured information determines that newly-established PDU sessions are come by which PDU sessions switching.
Determine to need will currently establish second it should be noted that the first PDU sessions of the embodiment of the present invention are terminal
When PDU session redirections are to terminating subscriber face function TUPF, initiate to establish to network side equipment and ask the first established PDU meetings
Words.
Alternatively, when carrying the session identification for the PDU sessions of unique mark the 2nd in establishing request, the above method
Also include：
First PDU sessions and application function AF sessions are associated according to the session identification carried in request message, wherein, application
Function AF sessions are that terminal specifies the session established during application by the 2nd PDU session access.
Alternatively, the configured information includes at least one of：The terminal connects when establishing the 2nd PDU sessions
The session identification of the 2nd PDU sessions, the IP address of the 2nd PDU sessions or IPv6/ address prefixs, the end received
Hold the 2nd PDU session label informations received in network transmission redirection TUPF message.
In embodiments of the present invention, session identification includes at least one of：When establishing the 2nd PDU sessions, it is
The session identification of the 2nd PDU sessions distribution；The internet-ip address or IPv6 address prefixs of the 2nd PDU sessions；
When redirecting the 2nd PDU sessions, for the session identification of the 2nd PDU sessions distribution.
For the interaction flow being better understood between above-mentioned network side equipment and terminal, in embodiments of the present invention, go back
Provide a kind of session and continuously realize system, including：Terminal, network side equipment, wherein,
Network side equipment, for sending configured information to terminal, wherein, configured information is used to indicate the first protocol data list
First PDU sessions are the redirection session of the 2nd PDU sessions, and the first PDU sessions are that terminal determines to need will currently establish second
When PDU session redirections are to terminating subscriber face function TUPF, initiate to establish to network side equipment and ask the first established PDU meetings
Words.
By above-mentioned network side equipment and the interaction flow of terminal, terminal receives the configured information that network side equipment is sent,
The configured information is used for the redirection session for indicating that the first protocol Data Unit PDU sessions are the 2nd PDU sessions, using above-mentioned skill
Art scheme, is solved in correlation technique, and terminal can not judge that newly-established PDU sessions are which PDU session is redirected
Problem, and then terminal can determine that newly-established PDU sessions are come by which PDU sessions switching according to configured information.
Alternatively, network side equipment, the instruction for being additionally operable to send the session identification for carrying the 2nd PDU sessions to terminal are believed
Breath, wherein, the session identification is used for the PDU sessions of unique mark the 2nd, and network side equipment determines the first PDU according to session identification
Session is the redirection session of the 2nd PDU sessions.
Alternatively, network side equipment, it is additionally operable to according to the session identifications of the first PDU sessions carried in request message at least
Determine the redirection session that the 2nd PDU sessions are the first PDU sessions.
In an alternative embodiment of the embodiment of the present invention, network side equipment, it is additionally operable to carry according in request message
The session identifications of the first PDU sessions associate the 2nd PDU sessions and application function AF sessions, wherein, AF sessions pass through for terminal
First PDU session access specifies the session established during application.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but a lot
In the case of the former be more preferably embodiment.Based on such understanding, technical scheme is substantially in other words to existing
The part that technology contributes can be embodied in the form of software product, and the computer software product is stored in a storage
In medium (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal equipment (can be mobile phone, calculate
Machine, server, or network equipment etc.) method that performs each embodiment of the present invention.
Embodiment 3
Additionally provide a kind of continuous realization device of session in the present embodiment, the device be used to realizing above-described embodiment and
Preferred embodiment, repeating no more for explanation was carried out.As used below, term " module " can realize predetermined work(
The combination of the software and/or hardware of energy.Although device described by following examples is preferably realized with software, firmly
Part, or the realization of the combination of software and hardware is also what may and be contemplated.
Figure 10 is the structured flowchart (one) of the according to embodiments of the present invention 3 continuous realization device of session, as shown in Figure 10,
Including：
Sending module 100, for sending configured information to terminal, wherein, configured information is used to indicate the first protocol data
Unit PDU sessions are the redirection session of the 2nd PDU sessions, and the first PDU sessions are that terminal determines to need will currently establish the
When two PDU session redirections are to terminating subscriber face function TUPF, initiate to establish to network side equipment and ask the first established PDU
Session.
By the effect of above-mentioned module, configured information is sent to terminal, the configured information is used to indicate the first protocol data
Unit PDU sessions be the 2nd PDU sessions redirection session, using above-mentioned technical proposal, solve in correlation technique, terminal without
Method judges that newly-established PDU sessions are the problem of which PDU session are redirected, and then terminal can be true according to configured information
Fixed newly-established PDU sessions are come by which PDU sessions switching.
Alternatively, sending module 100, it is additionally operable to send the instruction for the session identification for carrying the 2nd PDU sessions to terminal
Information, wherein, the session identification is used for the PDU sessions of unique mark the 2nd, and network side equipment determines first according to session identification
PDU sessions are the redirection session of the 2nd PDU sessions.
Alternatively, as shown in figure 11, said apparatus also includes：Determining module 102, for being determined according to the session identification
The first PDU sessions are the redirection session of the 2nd PDU sessions.
Embodiment 4
Additionally provide a kind of continuous realization device of session in the present embodiment, the device be used to realizing above-described embodiment and
Preferred embodiment, repeating no more for explanation was carried out.As used below, term " module " can realize predetermined work(
The combination of the software and/or hardware of energy.Although device described by following examples is preferably realized with software, firmly
Part, or the realization of the combination of software and hardware is also what may and be contemplated.
Figure 12 is the structured flowchart of the according to embodiments of the present invention 4 continuous realization device of session, as shown in figure 12, bag
Include：
Receiving module 120, for receiving the configured information of network side equipment transmission, wherein, configured information is used to indicate the
One protocol Data Unit PDU sessions are the redirection session of the 2nd PDU sessions, and the first PDU sessions are that terminal determines that needs ought
When 2nd PDU session redirections of preceding foundation are to terminating subscriber face function TUPF, initiate to establish to network side equipment and ask to be built
The first vertical PDU sessions.
By the effect of above-mentioned module, terminal receives the configured information that network side equipment is sent, and the configured information is used to refer to
Show the redirection session that the first protocol Data Unit PDU sessions are the 2nd PDU sessions, using above-mentioned technical proposal, solve phase
In the technology of pass, terminal can not judge that newly-established PDU sessions are the problem of which PDU session are redirected, and then terminal energy
It is enough to determine newly-established PDU sessions are come by which PDU sessions switching according to configured information.
Alternatively, the configured information includes at least one of：The terminal connects when establishing the 2nd PDU sessions
The session identification of the 2nd PDU sessions, the IP address of the 2nd PDU sessions or IPv6 address prefixs, the end received
Hold the 2nd PDU session label informations received in network transmission redirection TUPF message
It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong
Cross in the following manner realization, but not limited to this：Above-mentioned module is respectively positioned in same processor；Or above-mentioned modules are with any
The form of combination is located in different processors respectively.
In order to be better understood from the continuous implementation process of above-mentioned session, below in conjunction with preferred embodiment to above-mentioned technical proposal
Illustrate, but be not used in and the embodiment of the present invention is defined.
Preferred embodiment 1
In the present embodiment, network is determined after redirecting, and new PDU is performed by the way of new PDU sessions are established in UE requests
The foundation of session.Figure 13 is the flow chart (one) for realizing business continuance method according to embodiments of the present invention, as shown in figure 13,
The flow comprises the following steps：
Step S1300：UE establishes PDU sessions 1 in AN1 to network request, carries user id and DN name.Network is
PDN sessions 1 have selected SSC patterns 3, and have selected TUPF1, be assigned with IP address/Prefix1.Deposited between TUPF1 and CP
Policy Control session1 between Sx sessions 1, CP and Policy Function be present.UE is visited by PDU sessions 1
Asking that certain is applied, AF corresponding to the application establishes AF session1 and provides business information to Policy Function,
Policy Function associate AF session1 with PDU sessions 1 (i.e. AF Session1 and Policy control
Session1 is associated)；
Step S1302：UE establishes PDU sessions 2 under AN1 to network request, carries user id and DN name.Network is
PDN sessions 2 have selected TUPF1, be assigned with IP address/Prefix2.Sx sessions 2 between TUPF1 and CP be present, CP and
Policy Control session2 between Policy Function be present.
Step S1304：UE is moved to AN2, network decision TUPF1 be not for PDU sessions 1 and PDU sessions 2 it is optimal,
Need to reselect TUPF.Therefore network sends TUPF to UE and redirects message.
Step S1306：After UE receives redirection message, UE sends request to network and establishes new PDU sessions (PDN meetings
Message 3) is talked about, User Id, DN name, TUPF are carried in message and redirects configured information etc..Network is that UE selections are new
TUPF (i.e. TUPF2), distribute new IP address (IP address/Prefix 3) and notify UE.This outer network determines that this is new
PDU sessions are the redirections for PDU session1, therefore network is by PDU session1 IP address/Prefix1
It is indicated to UE.UE judges redirections of the PDU session3 for PDU session1 according to IP address/Prefix1.
Step S1308：CP sends policy control session (the Policy Control that please be looked for novelty to Policy Function
Session3 message), newly assigned IP address (IP Address/Prefix3) is carried in message, and TUPF redirects instruction
(optional), old IP address (IP Address/Prefix1), DN name.
CP in wherein step S1300/S1302 in CP and step S1308 can be the same or different.
Step S1310：Policy Function redirect instruction according to TUPF or old IP address/Prefix1 sentence
Disconnected PDU sessions 1 are redirected, and are closed PDU sessions 3 and AF session1 according to IP Address/Prefix1
Join (i.e. Policy Control session3 and AF session1 is associated).
Step S1312：Policy Function send message to AF, notify TUPF redirection events.
Step S1314：After UE and application server carry out application layer interaction, AF is by AF session1 to Policy
Function provides the business information of renewal；
After step S1316, Policy Function carry out strategic decision-making, policy information is provided to TUPF2 and AN2,
TUPF2 and AN2 implementation strategies.
Step S1318, UE start flow, release PDU sessions 1.
In embodiments of the present invention, it is assumed that Policy Function and CP are independent functional entitys, in other embodiment
In, Policy Function are also integrated in CP.CP is internal interaction with interacting for Policy Function during specific implementation,
It can ignore, AF and Policy Function's interacts interacting for AF and CP.That is the IP that CP will report according to UE
AF session1 and PDU sessions 3 are associated by address/Prefix1.
Preferred embodiment 2
In a preferred embodiment of the invention, network is determined after redirecting, and is held by the way of new PDU sessions are established in UE requests
The foundation of the new PDU sessions of row.Figure 14 is the flow chart (two) for realizing business continuance method according to embodiments of the present invention, is such as schemed
Shown in 14, the flow comprises the following steps：
Step S1400：UE establishes PDU sessions 1 in AN1 to network request, carries user id and DN name.Network is
PDN sessions 1 have selected TUPF1, be assigned with IP address1, and this outer network is also assigned with PDU session identifications 1 for PDU sessions 1.
User Id, DN name and PDU sessions 1 can be with unique mark PDU sessions 1.Sx sessions 1 between TUPF1 and CP be present, CP and
Policy Control session1 between Policy Function be present.UE have accessed certain application by PDU sessions 1,
AF corresponding to the application establishes AF session1 and provides business information to Policy Function, and Policy Function will
AF session1 and Policy control session1 are associated；
Step S1402：UE establishes PDU sessions 2 under AN1 to network request, carries user id and DN name.Network is
PDN sessions 2 have selected TUPF1, be assigned with IP address2, and this outer network is also assigned with PDU session identifications 1 for PDU sessions 1.
User Id, DN name and PDU sessions 1 can be with unique mark PDU sessions 1.Sx sessions 2 between TUPF1 and CP be present, CP and
Policy Control session2 between Policy Function be present.
Step S1404：UE is moved to AN2, network decision TUPF1 be not for PDU sessions 1 and PDU sessions 2 it is optimal,
Need to reselect TUPF.Therefore network sends TUPF to UE and redirects message.
Step S1406：After UE receives redirection message, UE sends request to network and establishes new PDU sessions (PDN meetings
Message 3) is talked about, User Id, DN name, TUPF are carried in message and redirects configured information etc..Network is that UE selections are new
TUPF (i.e. TUPF2), distribute new IP address (IP address/Prefix 3) and notify UE.This outer network determines that this is new
PDU sessions are the redirections for PDU session1, therefore PDU session1 PDU session identifications 1 are indicated to by network
UE.UE judges PDU session3 resetting for PDU session1 according to IP address/Prefix1
Step S1408：CP sends policy control session (the Policy Control that please be looked for novelty to Policy Function
Session3 message), newly assigned IP address (IP Address3) being carried in message, TUPF redirects instruction (optional),
PDU session identifications 1, DN name.
CP in wherein step S1400/S1404 in CP and step S1408 can be the same or different.
Step S1410：Policy Function redirect instruction according to TUPF or PDU session identifications 1 judge PDU sessions 1
Redirected, and PDU sessions 3 and AF session1 are associated by (i.e. Policy according to PDU session identifications 1
Control session3 and AF session1 are associated).
Step S1412：Policy Function send message to AF, notify TUPF redirection events.
Step S1414：After UE and application server carry out application layer interaction, AF is by AF session1 to Policy
Function provides the business information of renewal；
After step S1416, Policy Function carry out strategic decision-making, policy information is provided to TUPF2 and AN2,
TUPF2 and AN2 implementation strategies.
Step S1418, UE start flow, release PDU sessions 1.
In above-described embodiment, it is assumed that Policy Function and CP are independent functional entitys, in other embodiments,
Policy Function are also integrated in CP.CP is internal interaction with interacting for Policy Function during specific implementation, can
To ignore.AF and Policy Function's interacts interacting for AF and CP.That is the PDU session identifications 1 that CP will report according to UE
AF session1 and PDU sessions 3 are associated.
Preferred embodiment 3
In a preferred embodiment of the invention, network is determined after redirecting, and is held by the way of new PDU sessions are established in UE requests
The foundation of the new PDU sessions of row.Figure 15 is the flow chart (three) for realizing business continuance method according to embodiments of the present invention, is such as schemed
Shown in 15, the flow comprises the following steps：
Step S1500：UE establishes PDU sessions 1 in AN1 to network request, carries user id and DN name.Network is
PDN sessions 1 have selected TUPF1, be assigned with IP address/Prefix1.Sx sessions 1 between TUPF1 and CP be present, CP and
Policy Control session1 between Policy Function be present.UE have accessed certain application by PDU sessions 1,
AF corresponding to the application establishes AF session1 and provides business information to Policy Function, and Policy Function will
AF session1 and Policy control session1 are associated；
Step S1502：UE establishes PDU sessions 2 under AN1 to network request, carries user id and DN name.Network is
PDN sessions 2 have selected TUPF1, be assigned with IP address/Prefix2.Sx sessions 2 between TUPF1 and CP be present, CP and
Policy Control session2 between Policy Function be present.
Step S1504：UE is moved to AN2, network decision TUPF1 be not for PDU sessions 1 and PDU sessions 2 it is optimal,
Need to reselect TUPF.Therefore network sends TUPF to UE and redirects message, and carries redirect PDU session marks in the message
Know 1.
Step S1506：After UE receives redirection message, UE sends request to network and establishes new PDU sessions (PDN meetings
Message 3) is talked about, User Id, DN name, TUPF are carried in message and redirects configured information etc..Network is that UE selections are new
TUPF (i.e. TUPF2), distribute new IP address (IP address/Prefix 3) and notify UE.This outer network determines that this is new
PDU sessions are the redirections for PDU session1, therefore network point instruction redirects PDU session identifications 1 and gives UE.UE according to
Redirect PDU session identifications 1 and judge redirections of the PDU session3 for PDU session1.
Step S1508：CP notifies to redirect corresponding to Policy Function, PDU session 1 by policy control session 1
PDU session identifications 1.
Step S1510：CP sends policy control session (the Policy Control that please be looked for novelty to Policy Function
Session3 message), newly assigned IP address (IP Address/Prefix3) is carried in message, and TUPF redirects instruction
(optional), redirect PDU session identifications 1, DN name.
CP in wherein step S1500/S1502 in CP and step S1510 can be the same or different.
Step S1512：Policy Function redirect instruction or redirect PDU session identifications 1 according to TUPF to be judged
PDU sessions 1 are redirected, and are associated PDU sessions 3 and AF session 1 according to PDU session identifications 1 are redirected
(Policy Control session3 and AF session1 are associated).
Step S1514：Policy Function send message to AF, notify TUPF redirection events.
Step S1516：After UE and application server carry out application layer interaction, AF is by AF session1 to Policy
Function provides the business information of renewal；
After step S1518, Policy Function carry out strategic decision-making, policy information is provided to TUPF2 and AN2,
TUPF2 and AN2 implementation strategies.
Step S1520, UE start flow, release PDU sessions 1.
In a preferred embodiment of the invention, it is assumed that Policy Function and CP are independent functional entitys, in other realities
Apply in example, Policy Function are also integrated in CP.CP is inside with interacting for Policy Function during specific implementation
Interaction, it can ignore.AF and Policy Function's interacts interacting for AF and CP.That is the PDU that CP will report according to UE
AF session1 and PDU sessions 3 are associated by session identification 1.
Preferred embodiment 4
In embodiments of the present invention, network is determined after redirecting, and uses network to lead to after being established for UE to new TUPF connections
Know that UE mode establishes new PDU connections.This flow is applied to support the Multi-Homed PDU session using IPv6.
Figure 16 is the flow chart (four) for realizing business continuance method according to embodiments of the present invention, and as shown in figure 16, the flow includes
Following steps：
Step S1600：UE establishes PDU sessions 1 in AN1 to network request, carries user id and DN name.Network is
PDN sessions 1 have selected TUPF1, be assigned with IP address/Prefix1.Sx sessions 1 between TUPF1 and CP be present, CP and
Policy Control session1 between Policy Function be present.UE have accessed certain application by PDU sessions 1,
AF corresponding to the application establishes AF session1 and provides business information to Policy Function, and Policy Function will
AF session1 and Policy control session1 are associated；
Step S1602：UE establishes PDU sessions 2 under AN1 to network request, carries user id and DN name.Network is
PDN sessions 2 have selected TUPF1, be assigned with IP address/Prefix2.Sx sessions 2 between TUPF1 and CP be present, CP and
Policy Control session2 between Policy Function be present.
Step S1604：UE is moved to AN2, network decision TUPF1 be not for PDU sessions 1 and PDU sessions 2 it is optimal,
Need to reselect TUPF.Therefore network determines that establishing new connection (leg) arrives TUPF2 (i.e. PDU sessions 3).
Step S1606：CP configures bifurcateds of the UP (being different from TUPF) as Multi-homed PDU sessions among one
Point.This UP routers by default.
Step S1610：Optionally, network determines first to redirect PDU sessions 1, therefore the connection (leg) that network advertisement UE is new
It can use, new IP address/prefix3 are carried in message, redirect the parameter such as configured information, timer.This outer network is also
IP address/prefix1 are provided to be used to indicate the redirection for being connected to PDU sessions 1.
Step S1612：UP (acquiescence ip router) sends advertising of route message, carries new IP Address/
Prefix3.If S1006 is not performed, then is also carried in advertising of route message and is redirected configured information, timer and for referring to
Show the IP address/prefix1 for being connected to the redirection of PDU sessions 1.
Step S1614：CP controls session modification to by policy control session 1 to Policy Function sending strategys
Message, send TUPF redirection events notice and new IP Address/prefix3；
Step S1616：Policy Function send message to AF, notify TUPF redirection events.
Step S1618：After UE and application server carry out application layer interaction, AF is by AF session1 to Policy
Function provides the business information of renewal；
After step S1620, Policy Function carry out strategic decision-making, policy information is provided to TUPF2 and AN2,
TUPF2 and AN2 implementation strategies.
Step S1622, network start flow, release PDU sessions 1.
In above preferred embodiment, it is assumed that Policy Function and CP are independent functional entitys, in other embodiment
In, Policy Function are also integrated in CP.CP hands over interacting for Policy Function to be internal during specific implementation
Mutually, can ignore.AF and Policy Function's interacts interacting for AF and CP.
Preferred embodiment 5
In a preferred embodiment of the invention, network is determined after redirecting, and is used network to be established for UE and is arrived new TUPF connections
UE mode is notified to establish new PDU connections afterwards.This flow is applied to support the Multi-Homed PDU using IPv6
session.Figure 17 is the flow chart (five) for realizing business continuance method according to embodiments of the present invention, as shown in figure 17, should
Flow comprises the following steps：
Step S1700：UE establishes PDU sessions 1 in AN1 to network request, carries user id and DN name.Network is
PDN sessions 1 have selected TUPF1, be assigned with IP address/Prefix1., this outer network is also that PDU sessions 1 are assigned with PDU meetings
Words mark 1.User Id, DN name and PDU sessions 1 can be with unique mark PDU sessions 1.Sx sessions between TUPF1 and CP be present
Policy Control session1 between 1, CP and Policy Function be present.UE have accessed certain by PDU sessions 1
Using AF corresponding to the application establishes AF session1 and provides business information, Policy to Policy Function
AF session1 and Policy control session1 are associated by Function；
Step S1702：UE establishes PDU sessions 2 under AN1 to network request, carries user id and DN name.Network is
PDN sessions 2 have selected TUPF1, be assigned with IP address/Prefix2., this outer network is also that PDU sessions 2 are assigned with PDU meetings
Words mark 2.User Id, DN name and PDU sessions 2 can be with unique mark PDU sessions 2.Sx sessions between TUPF1 and CP be present
Policy Control session2 between 2, CP and Policy Function be present.
Step S1704：UE is moved to AN2, network decision TUPF1 be not for PDU sessions 1 and PDU sessions 2 it is optimal,
Need to reselect TUPF.Therefore network determines that establishing new connection (leg) arrives TUPF2 (i.e. PDU sessions 3).
Step S1706：CP configures bifurcateds of the UP (being different from TUPF) as Multi-homed PDU sessions among one
Point.This UP routers by default.
Step S1708：Optionally, network determines first to redirect PDU sessions 1, therefore the connection (leg) that network advertisement UE is new
It can use, new IP address/prefix3 are carried in message, redirect the parameter such as configured information, timer.This outer network is also
PDU session identifications 1 are provided to be used to indicate the redirection for being connected to PDU sessions 1.
Step S1710：UP (acquiescence ip router) sends advertising of route message, carries new IP Address/
Prefix3.If S1710 is not performed, then is also carried in advertising of route message and is redirected configured information, timer and for referring to
Show the PDU session identifications 1 for being connected to the redirection of PDU sessions 1.
Step S1712：CP controls session modification to by policy control session 1 to Policy Function sending strategys
Message, send TUPF redirection events notice and new IP Address/prefix3；
Step S1714：Policy Function send message to AF, notify TUPF redirection events.
Step S1716：After UE and application server carry out application layer interaction, AF is by AF session1 to Policy
Function provides the business information of renewal；
After step S1718, Policy Function carry out strategic decision-making, policy information is provided to TUPF2 and AN2,
TUPF2 and AN2 implementation strategies.
Step S1720, network start flow, release PDU sessions 1.
In above-mentioned all embodiments, original PDU that newly-established PDU sessions are redirected is consulted between UE and network
Session, and thereby determine that corresponding AF sessions.
Equally, some strategies for being implemented on original PDU sessions can also be put on newly-established PDU sessions by network.
In summary, the embodiment of the present invention has reached following technique effect：Solve in correlation technique, terminal can not judge
Newly-established PDU sessions are the problem of which PDU session are redirected, so terminal can be determined according to configured information it is newly-built
Vertical PDU sessions are come by which PDU sessions switching.
Embodiments of the invention additionally provide a kind of storage medium.Alternatively, in the present embodiment, above-mentioned storage medium can
For preserving the program code performed by the processing method for the content of pages that above-described embodiment one is provided.
Alternatively, in the present embodiment, above-mentioned storage medium can be located in computer network Computer terminal group
In any one terminal, or in any one mobile terminal in mobile terminal group.
Alternatively, in the present embodiment, storage medium is arranged to the program code that storage is used to perform following steps：
S1, configured information is sent to terminal, wherein, configured information is used to indicate that the first protocol Data Unit PDU sessions are
The redirection session of 2nd PDU sessions, the first PDU sessions are that terminal determines to need to reset the 2nd PDU sessions currently established
During to terminating subscriber face function TUPF, initiate to establish to network side equipment and ask the first established PDU sessions.
Embodiments of the invention additionally provide a kind of storage medium.Alternatively, in the present embodiment, above-mentioned storage medium can
The program code for performing following steps to be arranged to storage to be used for：
S1, the configured information that network side equipment is sent is received, wherein, configured information is used to indicate the first protocol Data Unit
PDU sessions are the redirection session of the 2nd PDU sessions, and the first PDU sessions are that terminal determines to need the 2nd PDU that will currently establish
When session redirection is to terminating subscriber face function TUPF, initiates to establish to network side equipment and ask the first established PDU sessions.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in some embodiment
The part of detailed description, it may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, others can be passed through
Mode is realized.Wherein, device embodiment described above is only schematical, such as the division of the unit, is only
A kind of division of logic function, can there is an other dividing mode when actually realizing, for example, multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module
Connect, can be electrical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use
When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part to be contributed in other words to prior art or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are causing a computer
Equipment (can be personal computer, server or network equipment etc.) perform each embodiment methods described of the present invention whole or
Part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes
Medium.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (12)
- A kind of 1. continuous implementation method of session, it is characterised in that including：Configured information is sent to terminal, wherein, the configured information is used to indicate that the first protocol Data Unit PDU sessions are second The redirection session of PDU sessions, the first PDU sessions are that the terminal determines to need the 2nd PDU sessions that will currently establish When being redirected to terminating subscriber face function TUPF, initiate to establish to network side equipment and ask the first established PDU sessions.
- 2. according to the method for claim 1, it is characterised in that configured information is sent to terminal, including：The configured information for the session identification for carrying the 2nd PDU sessions is sent to the terminal, wherein, the session identification is used In the PDU sessions of unique mark the 2nd.
- 3. according to the method for claim 2, it is characterised in that sent to the terminal and carry the 2nd PDU sessions Session identification configured information before, methods described also includes：The redirection session that the first PDU sessions are the 2nd PDU sessions is determined according to the session identification.
- 4. according to the method in claim 2 or 3, it is characterised in that the session identification includes at least one of：Building When standing the 2nd PDU sessions, for the session identification of the 2nd PDU sessions distribution；The internet ip of the 2nd PDU sessions Address or IPv6 address prefixs；When redirecting the 2nd PDU sessions, for the session identification of the 2nd PDU sessions distribution.
- 5. according to the method for claim 1, it is characterised in that configured information is sent to terminal, including：The configured information is sent to the terminal by intermediate router UP.
- A kind of 6. continuous implementation method of session, it is characterised in that including：The configured information that network side equipment is sent is received, wherein, the configured information is used to indicate the first protocol Data Unit PDU Session is the redirection session of the 2nd PDU sessions, and the first PDU sessions are that terminal determines to need will currently establish described second When PDU session redirections are to terminating subscriber face function TUPF, initiate to establish to network side equipment and ask the first established PDU meetings Words.
- 7. according to the method for claim 6, it is characterised in that the configured information includes at least one of：The end Hold and to establish the session identifications of the 2nd PDU sessions received during the 2nd PDU sessions, the 2nd PDU sessions IP address or IPv6 address prefixs, the terminal send the 2nd PDU meetings for redirecting and being received in TUPF message in network Talk about identification information.
- 8. system is continuously realized in a kind of session, it is characterised in that including：Terminal, network side equipment, wherein,The network side equipment, for sending configured information to the terminal, wherein, the configured information is used to indicate the first association The redirection session that data cell PDU sessions are the 2nd PDU sessions is discussed, the first PDU sessions are that the terminal determines that needs ought When the 2nd PDU session redirections of preceding foundation are to terminating subscriber face function TUPF, initiate to establish request to network side equipment The first PDU sessions established.
- 9. system according to claim 8, it is characterised in that the network side equipment, be additionally operable to send to the terminal The configured information of the session identification of the 2nd PDU sessions is carried, wherein, the session identification is used for the PDU of unique mark the 2nd Session, and the network side equipment determines the redirection that the first PDU sessions are the 2nd PDU sessions according to the session identification Session.
- A kind of 10. continuous realization device of session, it is characterised in that including：Sending module, for sending configured information to terminal, wherein, the configured information is used to indicate the first protocol Data Unit PDU sessions are the redirection session of the 2nd PDU sessions, and the first PDU sessions determine to need the institute that will currently establish for the terminal When stating the 2nd PDU session redirections to terminating subscriber face function TUPF, initiate to establish to network side equipment and ask established the One PDU sessions.
- 11. device according to claim 10, it is characterised in that the sending module, be additionally operable to send to the terminal The configured information of the session identification of the 2nd PDU sessions is carried, wherein, the session identification is used for the PDU of unique mark the 2nd Session, and the network side equipment determines the redirection that the first PDU sessions are the 2nd PDU sessions according to the session identification Session.
- A kind of 12. continuous realization device of session, it is characterised in that including：Receiving module, for receiving the configured information of network side equipment transmission, wherein, the configured information is used to indicate the first association The redirection session that data cell PDU sessions are the 2nd PDU sessions is discussed, the first PDU sessions are that terminal determines to need currently to build When vertical the 2nd PDU session redirections are to terminating subscriber face function TUPF, initiate to establish to network side equipment and ask to be built The first vertical PDU sessions.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610536684.6A CN107592328A (en) | 2016-07-08 | 2016-07-08 | The continuous implementation method of session, apparatus and system |
| PCT/CN2017/084009 WO2018006650A1 (en) | 2016-07-08 | 2017-05-11 | Method, device, and system for implementing session continuity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610536684.6A CN107592328A (en) | 2016-07-08 | 2016-07-08 | The continuous implementation method of session, apparatus and system |
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| CN110167198A (en) * | 2018-02-14 | 2019-08-23 | 华为技术有限公司 | The method and apparatus for determining protocol Data Unit conversational services network element |
| WO2019174115A1 (en) * | 2018-03-12 | 2019-09-19 | Oppo广东移动通信有限公司 | Method and apparatus for updating ue policy, and computer storage medium |
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| US11750408B2 (en) | 2018-03-12 | 2023-09-05 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method and apparatus for updating UE policy, and computer storage medium |
| WO2019228254A1 (en) * | 2018-05-31 | 2019-12-05 | 华为技术有限公司 | Session management method, device, and system |
| US11399405B2 (en) | 2018-05-31 | 2022-07-26 | Huawei Technologies Co., Ltd. | Session management method, device, and system |
| US11510257B2 (en) | 2018-06-11 | 2022-11-22 | Huawei Technologies Co., Ltd. | Communications method and apparatus |
| WO2019238050A1 (en) * | 2018-06-11 | 2019-12-19 | 华为技术有限公司 | Communication method and apparatus |
| WO2020001319A1 (en) * | 2018-06-30 | 2020-01-02 | 华为技术有限公司 | Dynamic networking method, device and system |
| CN110784432B (en) * | 2018-07-31 | 2021-11-19 | 华为技术有限公司 | Session creation method and device |
| CN110784432A (en) * | 2018-07-31 | 2020-02-11 | 华为技术有限公司 | Session creation method and device |
| CN110831086A (en) * | 2018-08-10 | 2020-02-21 | 中兴通讯股份有限公司 | Method, device and system for sending indication information and storage medium |
| CN113439486A (en) * | 2019-02-14 | 2021-09-24 | Lg电子株式会社 | Method and terminal for displaying information for using MA PDU session |
| CN113439486B (en) * | 2019-02-14 | 2023-10-27 | Lg电子株式会社 | Method and terminal for displaying information for session using MA PDU |
| CN112243300A (en) * | 2019-07-19 | 2021-01-19 | 中国移动通信有限公司研究院 | Connection establishment method and device |
| CN112243300B (en) * | 2019-07-19 | 2022-11-08 | 中国移动通信有限公司研究院 | Connection establishment method and device |
Also Published As
| Publication number | Publication date |
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| WO2018006650A1 (en) | 2018-01-11 |
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