CN108632992B - A kind of SSC schema update method and device - Google Patents
A kind of SSC schema update method and device Download PDFInfo
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- CN108632992B CN108632992B CN201710177823.5A CN201710177823A CN108632992B CN 108632992 B CN108632992 B CN 108632992B CN 201710177823 A CN201710177823 A CN 201710177823A CN 108632992 B CN108632992 B CN 108632992B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The present invention relates to mobile communication technology fields, more particularly to a kind of SSC schema update method and device, SSC mode and network side in order to solve the problems, such as PDU Session that UE existing in the prior art is known is nonsynchronous, this method is, branch point is deleted when network side SMF is determined, and when determining the user face access of the first user face session anchor point of release, generate notification message, inform that UE updates the SSC mode of current PDU Session based on notification message, in this way, as long as SMF is modified PDU Session, the SSC mode of PDU Session is caused to change, SMF will send a notification message to UE notifies the update of UE progress SSC mode, so that UE can know current PDU Sess The practical SSC mode of ion realizes the SSC pattern synchronization known with SMF, is conducive to the development of subsequent user business.
Description
Technical field
The present invention relates to mobile communication technology field more particularly to a kind of SSC schema update method and devices.
Background technique
In 5G system, to meet Packet Data Unit session (Packet Data Unit Session, PDU
Session) the demand of multiple business and conversation continuity defines in (Technical Report, TR) in technical report
Three kinds of business and conversation continuity mode (Service and Session Sontinuity Mode, SSC Mode) below:
SSC Mode1, SSC Mode2 and SSC Mode3.
Wherein, SSC Mode1 refers to, is PDU Session one user face session anchor point of distribution, and user face session anchor
Point will remain unchanged in the survival period of entire PDU Session, in such a mode, indicate PDU Session to continuous
Property is more demanding；
SSC Mode2 refers to, distributes a user face session anchor point, but this user face session anchor point for PDU Session
It can only be kept in certain coverage, when user (UE) removes out of the user face session anchor point coverage, UE
Need to select new user face session anchor point, in such a mode, indicate PDU Session to successional of less demanding, but
To the more demanding of service quality；
SSC Mode3 refers to, is assigned with one to data network (Data Network, DN) for PDU Session
User face session anchor point, and before the connection between UE and the user face session anchor point stops, and one is established newly for UE
The PDU Session to above-mentioned DN, and selected a new user face session anchor point for new PDU Session, UE can
Stream compression to be moved on on new PDU Session, and the connection of the PDU Session before deletion, in such a mode,
PDU Session is indicated to successional of less demanding, but to the more demanding of service quality.
And 5G system also introduces a kind of more host PDU session (Multi-homed for the PDU Session of IPv6
PDU Session) framework, the characteristics of Multi-homed PDU Session framework is that PDU Session can be associated with multiple
IPv6 address prefix (Prefix), PDU Session is linked into DN by multiple user face session anchor points, and PDU
The different user face path of Session is needed by a public user face anchor point classification, wherein public user face anchor point
Also referred to as branch point (Branching Point).
Further, Branching Point is selected by SMF, and SMF can initiate the insertion of Branching Point
And deletion, in PDU Session, Branching Point cannot distribute IP address, only the transmission of responsible uplink and downlink data,
Uplink service (Uplink traffic, UL traffic) can be provided to different IP anchor points and merge downlink business
(Downlink traffic, DL traffic) arrives the function of UE.
Specifically, Multi-homed PDU Session framework is supported to establish the multiple data connections for arriving the same DN, tool
Body is as shown in Figure 1a, can also support to establish the multiple data connections for arriving different DN, specific as shown in Figure 1 b.
Under the prior art, the PDU Session for being SSC Mode1 for business and conversation continuity mode, if session pipe
Reason function (Session Management Function, SMF) inserts Branching Point for PDU Session, and
Two user face accesses are established, in fact, the corresponding user face access of first Prefix of only PDU Session is only
The data connection of SSC Mode1, and the practical data connection for being SSC Mode3 of the corresponding user face access of other Prefix.
However, SMF may remove Branching Point, and it is corresponding to delete first Prefix in subsequent operation
The access of user face, only retain the access of the corresponding user face other Prefix, then, it is real for entire PDU Session
The business and conversation continuity mode on border are SSC Mode3, but UE is not aware that SMF inserts Branching Point, and builds
Two user face accesses have been stood, and have deleted first user face access, therefore, UE still will be considered that the industry of PDU Session
Business and conversation continuity mode are SSC Mode1, result in business that UE is known and conversation continuity mode and actual conditions not
Unanimously.
In view of this, one mode update scheme need to be redesigned to overcome drawbacks described above.
Summary of the invention
The embodiment of the present invention provides a kind of method and device of SSC schema update, existing in the prior art to solve
The SSC mode and the nonsynchronous problem of network side for the PDU Session that UE is known.
Specific technical solution provided in an embodiment of the present invention is as follows:
A kind of business and conversation continuity SSC schema update method, comprising:
Conversation management functional SMF, which is determined, deletes branch point, and determines the user face of the first user face session anchor point of release
When access, notification message is generated；
The notification message is sent to user UE, the UE is triggered and is based on the notification message, update current PDU
The SSC mode of Session.
Optionally, SMF is determined before deleting branch point, further comprises:
SMF increases in the PDU Session that corresponding SSC mode is accessed in the user face for the first user face session anchor point
Branch point；
The SMF is based on the branch point, increases second user face session anchor point, and increase second user face meeting
Talk about the corresponding user face access of anchor point.
Optionally, the user face that the notification message includes at least the second user face session anchor point is accessed corresponding
SSC mode.
A kind of business and conversation continuity SSC schema update method, comprising:
User UE receives the notification message that conversation management functional SMF is sent；
Based on the notification message, the SSC mode of current PDU Session is updated.
Optionally, corresponding SSC mould is accessed in the user face that the notification message includes at least second user face session anchor point
Formula.
Optionally, it is based on the notification message, updates the SSC mode of current PDU Session, comprising:
By the SSC mode of current PDU Session, corresponding SSC is accessed by the user face of the first user face session anchor point
Corresponding SSC mode is accessed in mode, the user face for being revised as second user face session anchor point.
Optionally, based on the notification message, after the SSC mode for updating current PDU Session, further comprise:
Corresponding SSC mode is accessed into the user face of the second user face session anchor point, as new PDU Session
SSC mode be stored in local.
Optionally, after updating the current SSC mode of PDU Session, further comprise:
When determining the user's corresponding SSC mode of access for needing first user face session anchor point, re-initiate described
The user of first user face session anchor point accesses the establishment process of the PDU Session of corresponding SSC mode.
A kind of business and conversation continuity SSC schema update device, comprising:
Processing unit deletes branch point for determining, and determines that the user face of the first user face session anchor point of release connects
It is fashionable, generate notification message；
Transmission unit triggers the UE and is based on the notification message, more for the notification message to be sent to user UE
The SSC mode of new current PDU Session.
Optionally, further comprise adding unit, the adding unit is used for:
It determines before deleting branch point, executes following operation:
Increase in the PDU Session that corresponding SSC mode is accessed in the user face for the first user face session anchor point and divides
Fulcrum；
Based on the branch point, increase second user face session anchor point, and increases the second user face session anchor point
Corresponding user face access.
Optionally, the user face that the notification message includes at least the second user face session anchor point is accessed corresponding
SSC mode.
A kind of business and conversation continuity SSC schema update device, comprising:
Receiving unit, for receiving the notification message of conversation management functional SMF transmission；
Updating unit updates the SSC mode of current PDU Session for being based on the notification message.
Optionally, corresponding SSC mould is accessed in the user face that the notification message includes at least second user face session anchor point
Formula.
Optionally, it is based on the notification message, when updating the SSC mode of current PDU Session, the updating unit is used
In:
By the SSC mode of current PDU Session, corresponding SSC is accessed by the user face of the first user face session anchor point
Corresponding SSC mode is accessed in mode, the user face for being revised as second user face session anchor point.
Optionally, further comprise storage unit, the storage unit is used for:
Based on the notification message, after the SSC mode for updating current PDU Session, following operation is executed:
Corresponding SSC mode is accessed into the user face of the second user face session anchor point, as new PDU Session
SSC mode be stored in local.
Optionally, further comprise initiating unit, the initiation unit is used for:
After updating the current SSC mode of PDU Session, following operation is executed:
When determining the user's corresponding SSC mode of access for needing first user face session anchor point, re-initiate described
The user of first user face session anchor point accesses the establishment process of the PDU Session of corresponding SSC mode.
In the embodiment of the present invention, branch point is deleted when network side SMF is determined, and determine the first user face session anchor of release
When the user face access of point, notification message is generated, informs that UE updates the SSC mode of current PDU Session based on notification message,
As long as when the SSC mode of PDU Session being caused to change, SMF is just in this way, SMF is modified PDU Session
Can send a notification message the update for notifying UE to carry out SSC mode to UE, so that UE can know the reality of current PDU Session
SSC mode, the practical SSC mode realization that can be known with SMF is synchronous, is conducive to UE and carries out follow-up business.
Detailed description of the invention
Fig. 1 a is the first architecture diagram of Multi-homed PDU Session in the embodiment of the present invention；
Fig. 1 b is second of architecture diagram of Multi-homed PDU Session in the embodiment of the present invention；
Fig. 2 is SSC schema update method flow diagram in the embodiment of the present invention；
Fig. 3 is that UE is created to the PDU Session of UPF1 in the embodiment of the present invention；
Fig. 4 is the PDU Session for retaining UPF2 in the embodiment of the present invention；
Fig. 5 is the modification process figure of SSC mode in the embodiment of the present invention；
Fig. 6 is the first illustrative view of functional configuration of SMF in the embodiment of the present invention；
Fig. 7 is the first illustrative view of functional configuration of UE in the embodiment of the present invention；
Fig. 8 is second of illustrative view of functional configuration of SMF in the embodiment of the present invention；
Fig. 9 is second of illustrative view of functional configuration of UE in the embodiment of the present invention.
Specific embodiment
In order to which the SSC mode and the network side that solve the PDU Session that UE existing in the prior art is known are nonsynchronous
Problem in the embodiment of the present invention, has redesigned a kind of SSC schema update method, and this method is, when network side SMF determination is deleted
When accessing except the user face of branch point, and the first user face session anchor point of determining release, notification message is generated, informs that UE is based on
Notification message updates the SSC mode of current PDU Session.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, is not whole embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The solution of the present invention will be described in detail by specific embodiment below, certainly, the present invention is not limited to
Lower embodiment.
As shown in fig.2, SSC schema update method flow is as follows in the embodiment of the present invention:
Step 200: conversation management functional SMF is accessing corresponding SSC mould for the user face of the first user face session anchor point
The PDU Session of formula increases branch point.
Specifically, first creating a PDU session (PDU to data network (Data Network, DN) in advance by user UE
It Session is), and by SMF that the PDU Session selects a user face session anchor point, as the first user face session anchor point,
Wherein, the SSC mode of above-mentioned PDU Session is that corresponding SSC mode is accessed in the user face of the first user face session anchor point.
For example, it is assumed that user face session anchor point 1 be the first user face session anchor point, it is shown in Figure 3, UE create to
The PDU Session of DN1, according to the definition in TR it is found that the SSC mode of current PDU Session is SSC Mode1.
Further, if above-mentioned PDU Session signing allows using Multi-homed PDU Session, by SMF
Increase a branch point (Branching Point) for above-mentioned PDU Session, to increase to for above-mentioned PDU Session
The data connection of DN.
Branch point of the step 210:SMF based on insertion increases second user face session anchor point, and increases above-mentioned second and use
The corresponding user face access of family face session anchor point.
Specifically, SMF accesses the PDU of corresponding SSC mode in the user face for the first user face session anchor point
After increasing branch point in Session, by the branch point, increase second user face session anchor point, and increase above-mentioned second and use
The corresponding user face of family face session anchor point is accessed, and in the embodiment of the present invention, so-called increase second user face session anchor point is corresponding
The access of user face is to increase a data connection to data network DN.
For example, Fig. 1 b is to increase a branch point, and pass through branch on the basis of Fig. 3 is exemplary refering to fig. 1 shown in b
Point shunts, and the user face session anchor point 2 as second user face session anchor point is increased, in this way, UE can not only pass through use
Family face session anchor point 1 reaches DN1, it can also reaching DN2 by user face session anchor point 2, wherein DN1 and DN2 can phase
Together, it can also be different.
In another example by taking download online business as an example, it is assumed that DN1 is outer net, and DN2 is Intranet, when UE is created to the PDU of DN1
After Session, it is found that current speed of download is lower, network side SMF inserts a Branching Point for it, and is based on
Branching Point is shunted, and a user face session anchor point 2 is increased, correspondingly, increasing one to Intranet DN2
Data connection, in this way, UE can pass through user face session anchor point 2 reach Intranet DN2 complete download online business.
Step 220:SMF, which is determined, deletes branch point, and determines the user face access of the first user face session anchor point of release
When, generate notification message.
Specifically, due to SMF be based on the practical user face session anchor point accessed of PDU Session, and be based on user face
The SSC mode for determining PDU Session is accessed in the user face of session anchor point, and UE is the PDU Session based on initial creation
The user face session anchor point of access, and the SSC mode for determining PDU Session is accessed based on the user face of user face session anchor point
, therefore, even SMF is inserted into or deletes the user face session anchor point of PDU Session, the i.e. use to PDU Session
Session anchor point in family face is modified, and UE still thinks that the SSC mode of current PDU Session is initial PDU Session's
SSC mode thinks that the SSC mode of current PDU Session is corresponding for the user face access of the first user face session anchor point
SSC mode.
So deleting branch point when SMF is determined, and determine the user face access of the first user face session anchor point of release
Afterwards, that is, after SMF modifies to the user face session anchor point of current PDU Session and the access of user face, can give birth at once
At notification message, wherein corresponding SSC mould is accessed in the user face that above-mentioned notification message includes at least second user face session anchor point
Formula.
For example, as shown in fig.4, Fig. 4 is on the basis of Fig. 1 b, to delete Branching based on Fig. 1 b
Point, and user face session anchor point 1 is deleted, and release the access of the corresponding user face of user face session anchor point 1, so that
UE is linked into DN2 by user face session anchor point 2, according in TR to the definition of PDU Session it is found that current PDU
The SSC mode of Session is SSC Mode3.
The notification message of generation is sent to UE by step 230:SMF.
Specifically, the notification message of generation is sent to UE by SMF, wherein above-mentioned notification message can be NAS message.
Step 240:UE receives the notification message that SMF is sent, and based on the notification message received, updates current PDU
The SSC mode of Session.
Specifically, i.e. UE is not to lead to since current PDU Session is no longer the PDU Session of UE initial creation
The first user face session anchor point access data network is crossed, but on the basis of initial p DU Session, insertion is executed by SMF
Branching Point, and increase second user face session anchor point, and the user face of increase second user face session anchor point connects
Enter, and delete Branching Point, and deletes the first user face session anchor point, the first user face session anchor point of release
Obtained PDU Session after the access of user face.
Further, in fact, the SSC mode of current PDU Session is the user face of second user face session anchor point
Corresponding SSC mode is accessed, when the user face access comprising second user face session anchor point that UE receives SMF transmission is corresponding
After the notification message of SSC mode, by parsing to notification message, the user face access of second user face session anchor point is obtained
Corresponding SSC mode, and by the SSC mode of current PDU Session, by the user face access pair of the first user face session anchor point
Corresponding SSC mode is accessed in the SSC mode answered, the user face for being revised as second user face session anchor point.
For example, being illustrated with above-mentioned example, the SSC mode of current PDU Session is revised as by UE by SSC Mode1
SSC Mode3。
Further, the user face of second user face session anchor point can be accessed corresponding SSC mode by UE, as new
The SSC mode of PDU Session is stored in local.
Certainly, if UE continues in business procedure after execution, the user's access pair for needing the first user face session anchor point is determined
When the SSC mode answered, the user that can re-initiate first user face session anchor point accesses the PDU of corresponding SSC mode
The establishment process of Session.
For example, it is assumed that the SSC mode of updated PDU Session is SSC Mode3, if the currently performed business of UE
(e.g., voice calling service) is more demanding to continuity, then UE can re-initiate the PDU that SSC mode is SSC Mode1 again
Session。
Below with reference to specific implement scene, the above embodiment of the present invention is described in further detail.
As shown in fig.5, the process of SSC schema modification is as follows in the embodiment of the present invention:
Step 500:UE establishes the user face to UPF1 and accesses.
Step 510:SMF is inserted into Branching Point, and the user face established to UPF2 is accessed.
Step 520:SMF deletes Branching Point and accesses to the user face of UPF1, remains into the user face of UPF2
Access.
Step 530:SMF notice UE modifies to SSC mode.
Step 540:UE can initiate the establishment process of new PDU Session, establish the PDU of other SSC modes
Session。
Based on the above embodiment, as shown in fig.6, in the embodiment of the present invention, a kind of SSC schema update device (such as SMF),
Including at least processing unit 60 and transmission unit 61, wherein
Processing unit 60 deletes branch point for determining, and determines the user face of the first user face session anchor point of release
When access, notification message is generated；
Transmission unit 61 triggers the UE and is based on the notification message for the notification message to be sent to user UE,
Update the SSC mode of current PDU Session.
Optionally, further comprise adding unit 62, the adding unit 62 is used for:
It determines before deleting branch point, executes following operation:
Increase in the PDU Session that corresponding SSC mode is accessed in the user face for the first user face session anchor point and divides
Fulcrum；
Based on the branch point, increase second user face session anchor point, and increases the second user face session anchor point
Corresponding user face access.
Optionally, the user face that the notification message includes at least the second user face session anchor point is accessed corresponding
SSC mode.
Based on the above embodiment, as shown in fig.7, in the embodiment of the present invention, a kind of SSC schema update device (such as UE),
Including at least receiving unit 70 and updating unit 71, wherein
Receiving unit 70, for receiving the notification message of conversation management functional SMF transmission；
Updating unit 71 updates the SSC mode of current PDU Session for being based on the notification message.
Optionally, corresponding SSC mould is accessed in the user face that the notification message includes at least second user face session anchor point
Formula.
Optionally, the notification message, when updating the SSC mode of current PDU Session, the updating unit 71 are based on
For:
By the SSC mode of current PDU Session, corresponding SSC is accessed by the user face of the first user face session anchor point
Corresponding SSC mode is accessed in mode, the user face for being revised as second user face session anchor point.
Optionally, further comprise storage unit 72, the storage unit 72 is used for:
Based on the notification message, after the SSC mode for updating current PDU Session, following operation is executed:
Corresponding SSC mode is accessed into the user face of the second user face session anchor point, as new PDU Session
SSC mode be stored in local.
Optionally, further comprise initiating unit 73, the initiation unit 73 is used for:
After updating the current SSC mode of PDU Session, following operation is executed:
When determining the user's corresponding SSC mode of access for needing first user face session anchor point, re-initiate described
The user of first user face session anchor point accesses the establishment process of the PDU Session of corresponding SSC mode.
As shown in fig.8, in the embodiment of the present invention, a kind of SSC schema update device (such as SMF) includes processor 80, receives
Hair machine 81 and memory 82, wherein
Processor 80 executes following process for reading the program in memory 82:
It is sent a notification message by transceiver 81；
It triggers UE and is based on the notification message, update the SSC mode of current PDU Session.
Transceiver 81, for sending and receiving data under the control of processor 80.
Optionally, processor 80 is further specifically used for:
Increase in the PDU Session that corresponding SSC mode is accessed in the user face for the first user face session anchor point and divides
Fulcrum；
Based on the branch point, increase second user face session anchor point, and increases the second user face session anchor point
Corresponding user face access.
Optionally, the user face that the notification message includes at least the second user face session anchor point is accessed corresponding
SSC mode.
Wherein, in fig. 8, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor 80
The various circuits for the memory that the one or more processors and memory 82 of representative represent link together.Bus architecture may be used also
To link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, these are all
It is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 81 can be with
It is multiple element, that is, includes transmitter and receiver, the unit for communicating over a transmission medium with various other devices is provided.
Processor 80, which is responsible for management bus architecture and common processing, memory 82, can store processor 80 and is executing behaviour
Used data when making.
As shown in fig.9, in the embodiment of the present invention, a kind of SSC schema update device (such as UE), including processor 90, receipts
Hair machine 91, memory 92 and user interface 93, wherein
Processor 90 executes following process for reading the program in memory 92:
Notification message is received by transceiver 91；
Based on notification message, the SSC mode of current PDU Session is updated.
Transceiver 91, for sending and receiving data under the control of processor 90.
Optionally, corresponding SSC mould is accessed in the user face that the notification message includes at least second user face session anchor point
Formula.
Optionally, it is based on the notification message, when updating the SSC mode of current PDU Session, processor 90 is specifically used
In:
The updating unit is used for:
By the SSC mode of current PDU Session, corresponding SSC is accessed by the user face of the first user face session anchor point
Corresponding SSC mode is accessed in mode, the user face for being revised as second user face session anchor point.
Optionally, processor 90 is further specifically used for:
Corresponding SSC mode is accessed into the user face of the second user face session anchor point, as new PDU Session
SSC mode be stored in local.
Optionally, processor 90 is further specifically used for:
When determining the user's corresponding SSC mode of access for needing first user face session anchor point, re-initiate described
The user of first user face session anchor point accesses the establishment process of the PDU Session of corresponding SSC mode.
Wherein, in Fig. 9, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor 90
The various circuits for the memory that the one or more processors and memory 92 of representative represent link together.Bus architecture may be used also
To link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, these are all
It is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 91 can be with
It is multiple element, that is, includes transmitter and receiver, the unit for communicating over a transmission medium with various other devices is provided.
For different user equipmenies, user interface 93, which can also be, external the interface for needing equipment, the equipment packet of connection is inscribed
Include but be not limited to keypad, display, loudspeaker, microphone, control stick etc..
Processor 90, which is responsible for management bus architecture and common processing, memory 92, can store processor 90 and is executing behaviour
Used data when making.
In conclusion deleting branch point when network side SMF is determined, and determine that release first is used in the embodiment of the present invention
When the user face access of family face session anchor point, notification message is generated, informs that UE is based on notification message and updates current PDU Session
SSC mode, as long as causing the SSC mode of PDU Session to change in this way, SMF is modified PDU Session
When change, SMF will send a notification message to UE notifies the update of UE progress SSC mode, so that UE can know current PDU
The practical SSC mode of Session, the practical SSC mode that can be known with SMF synchronize, and are conducive to the development of UE follow-up business.
For example, it is assumed that the SSC mode for the PDU Session that UE is practically in be SSC Mode3, but UE take for it is current
When the SSC mode of PDU Session is SSC Mode1, if UE thinks current PDU Session's because of the misleading of SSC Mode1
Continuity is good, moves outside the coverage as defined in SSC Mode3 wantonly, then may cause current ongoing business
It interrupts, has seriously affected customer service, reduce the Experience Degree of user.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention
The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention
And its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.
Claims (12)
1. a kind of business and conversation continuity SSC schema update method characterized by comprising
Conversation management functional SMF accesses the PDU of corresponding SSC mode in the user face for the first user face session anchor point
Increase branch point in Session, and be based on the branch point, increases second user face session anchor point, and increase described second
The corresponding user face access of user face session anchor point；
When determining and delete branch point, and determining the user face access of the first user face session anchor point of release, notification message is generated；
The notification message is sent to user equipment (UE), triggers the UE by the SSC mode of current PDU Session, by institute
Corresponding SSC mode is accessed in the user face for stating the first user face session anchor point, is revised as the second user face session anchor point
Corresponding SSC mode is accessed in user face.
2. the method as described in claim 1, which is characterized in that the notification message includes at least second user face session
Corresponding SSC mode is accessed in the user face of anchor point.
3. a kind of business and conversation continuity SSC schema update method characterized by comprising
User equipment (UE) receives the notification message that conversation management functional SMF is sent, wherein the notification message is in the SMF
Increase branch point, and base in the PDU Session that corresponding SSC mode is accessed in the user face for the first user face session anchor point
In the branch point, increases second user face session anchor point, increase the corresponding user face of the second user face session anchor point and connect
Enter, and in the state of the user face access of the first user face session anchor point of determining release, the UE is sent to by the SMF
's；
The SSC mode of current PDU Session is accessed by the user face of first user face session anchor point and is corresponded to by the UE
SSC mode, corresponding SSC mode is accessed in the user face for being revised as the second user face session anchor point.
4. method as claimed in claim 3, which is characterized in that the notification message includes at least second user face session anchor point
User face access corresponding SSC mode.
5. the method as claimed in claim 3 or 4, which is characterized in that be based on the notification message, update current PDU
After the SSC mode of Session, further comprise:
Corresponding SSC mode is accessed into the user face of the second user face session anchor point, the SSC as new PDUSession
Mode is stored in local.
6. method as claimed in claim 5, which is characterized in that after updating the current SSC mode of PDU Session, into one
Step includes:
When determining the user's corresponding SSC mode of access for needing first user face session anchor point, described first is re-initiated
The user of user face session anchor point accesses the establishment process of the PDU Session of corresponding SSC mode.
7. a kind of business and conversation continuity SSC schema update device characterized by comprising
Processing unit, for accessing the PDU Session of corresponding SSC mode in the user face for the first user face session anchor point
Middle increase branch point, and it is based on the branch point, increase second user face session anchor point, and increase second user face meeting
Talk about the corresponding user face access of anchor point；
When determining and delete branch point, and determining the user face access of the first user face session anchor point of release, notification message is generated；
Transmission unit triggers the UE for current PDU Session's for the notification message to be sent to user equipment (UE)
SSC mode accesses corresponding SSC mode by the user face of first user face session anchor point, is revised as the second user
Corresponding SSC mode is accessed in the user face of face session anchor point.
8. device as claimed in claim 7, which is characterized in that the notification message includes at least second user face session
Corresponding SSC mode is accessed in the user face of anchor point.
9. a kind of business and conversation continuity SSC schema update device characterized by comprising
Receiving unit, for receiving the notification message of conversation management functional SMF transmission, wherein the notification message is described
SMF increases branch point in the PDU Session that corresponding SSC mode is accessed in the user face for the first user face session anchor point,
And it is based on the branch point, increase second user face session anchor point, increases the corresponding user of the second user face session anchor point
In the state of face access, and the user face access of the first user face session anchor point of determining release, UE is sent to by the SMF
's；
Updating unit, for by the SSC mode of current PDU Session, by the user face of first user face session anchor point
Corresponding SSC mode is accessed, corresponding SSC mode is accessed in the user face for being revised as the second user face session anchor point.
10. device as claimed in claim 9, which is characterized in that the notification message includes at least second user face session anchor
Corresponding SSC mode is accessed in the user face of point.
11. the device as described in claim 9 or 10, which is characterized in that further comprise storage unit, the storage unit is used
In:
Based on the notification message, after the SSC mode for updating current PDU Session, following operation is executed:
Corresponding SSC mode is accessed into the user face of the second user face session anchor point, as new PDU Session's
SSC mode is stored in local.
12. device as claimed in claim 11, which is characterized in that further comprise initiating unit, the initiation unit is used for:
After updating the current SSC mode of PDU Session, following operation is executed:
When determining the user's corresponding SSC mode of access for needing first user face session anchor point, described first is re-initiated
The user of user face session anchor point accesses the establishment process of the PDU Session of corresponding SSC mode.
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