CN110167088A - A kind of management method and device of session - Google Patents
A kind of management method and device of session Download PDFInfo
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- CN110167088A CN110167088A CN201910459384.6A CN201910459384A CN110167088A CN 110167088 A CN110167088 A CN 110167088A CN 201910459384 A CN201910459384 A CN 201910459384A CN 110167088 A CN110167088 A CN 110167088A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/12—Reselecting a serving backbone network switching or routing node
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
This application discloses a kind of management method of session and devices, are related to field of communication technology, guarantee the continuity of the business of terminal when switching between different base station for realizing terminal.It include: that session management network element receives the first request message from mobile management net element；Wherein, first request message is used to indicate terminal and is switched to target BS from source base station, and first request message includes the mark of at least one session, at least one described session is used for transmission the business of the terminal；At least one described session is the session between the terminal and source user veil member；At least one described session is switched to target user's veil member from the source user veil member according to the mark of at least one session by the session management network element.
Description
Technical field
The invention relates to field of communication technology more particularly to the management methods and device of a kind of session.
Background technique
With the development of science and technology, multiple access edge calculations (multi-acess edge computing, MEC) (
It is properly termed as: multiple access edge cloud (multi-acess edge-cloud, MEC)) technology has become the 5th generation (5rd
Generation, 5G) one of the important technology supported.MEC is located at the edge side of network, be it is a kind of merged network, calculating,
It stores, the open platform of application core ability.The open platform can provide Edge intelligence service nearby for terminal, to meet
Industry digitlization quick connection, real time business, it is data-optimized, using intelligence, security and privacy in terms of key need
It asks.
MEC has been deployed in existing net at present, and MEC can have been accessed into multiple base stations.When the multiple base stations of MEC connection, eventually
When end is moved in MEC coverage area, need to switch between different base station, to guarantee terminal in the company of MEC side business
Continuous property, but how to realize terminal switch over and guarantee between different base station the continuity of the business of terminal there is presently no
It solves.
Summary of the invention
The embodiment of the present application provides the management method and device of a kind of session, for realizing terminal between different base station
Guarantee the continuity of the business of terminal when switching over.
In order to achieve the above objectives, embodiments herein adopts the following technical scheme that
In a first aspect, a kind of management method of session is provided, this method comprises:
Session management network element receives the first request message from mobile management net element；Wherein, the first request message is used for
Instruction terminal is switched to target BS from source base station, and the first request message includes the mark of at least one session, at least one meeting
Words are used for transmission the business of terminal；At least one session is the session between terminal and source user veil member；Session management network element
At least one session is switched to target user's veil member from source user veil member according to the mark of at least one session.
The management method of session provided by the embodiments of the present application, session management network element will according to the mark of at least one session
At least one session is switched to target user's veil member from source user veil member.Target BS is switched to from source base station in terminal
In the process, session is switched to target user's veil member from source user veil member by session management network element, works as terminal to ensure that
When the base station of access changes, the continuity of the session of terminal and data network, therefore the business of terminal can also keep continuous.
Second aspect provides a kind of management method of session, this method comprises:
The mark of at least one session of target user's veil member reception from session management network element；Wherein, at least one
Session is used for transmission the business of terminal；At least one session is the session between terminal and source user veil member；Target user face
Network element determines that at least one session switches to target user's veil from source user veil member according to the mark of at least one session
Member.
Conversation managing method provided by the embodiments of the present application, when the access base station of terminal changes, target user's veil member
Determine that at least one session is switched to target user's veil member from source user veil member according to the mark of at least one session, from
And it ensure that the continuity of the business of terminal when base station access by terminal changes.
The third aspect provides a kind of managing device of session, which includes:
Communication unit, for receiving the first request message from mobile management net element；Wherein, the first request message is used for
Instruction terminal is switched to target BS from source base station, and the first request message includes the mark of at least one session, at least one meeting
Words are used for transmission the business of terminal；At least one session is the session between terminal and source user veil member；Processing unit is used for
At least one session is switched to target user's veil member from source user veil member according to the mark of at least one session.
Fourth aspect provides a kind of managing device of session, comprising:
Communication unit, for receiving the mark of at least one session from session management network element；Wherein, at least one meeting
Words are used for transmission the business of terminal；At least one session is the session between terminal and source user veil member；Determination unit is used for
According to the mark of at least one session, determine that at least one session switches to target user's veil member from source user veil member.
5th aspect, provides a kind of readable storage medium storing program for executing, instruction, described instruction is stored in the readable storage medium storing program for executing
Upon being performed, the management method of session described in first aspect or second aspect is realized.
6th aspect, provides a kind of computer program product, and computer program product includes at least one instruction, works as institute
Instruction is stated when running on computers, so that computer executes the manager of the session as described in first aspect or second aspect
Method.
7th aspect, provides a kind of chip, and chip includes at least one processor and communication interface, communication interface and at least
One processor coupling, at least one processor is for running computer program or instruction, to realize first aspect or second party
The method in face.
Any device or computer storage medium or computer program product of above-mentioned offer are used to execute institute above
The corresponding method provided, therefore, the attainable beneficial effect of institute can refer to counterparty in corresponding method provided above
The beneficial effect of case, details are not described herein again.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for communication system that embodiments herein provides；
Fig. 2 is the structural schematic diagram of access source base station before a kind of terminal switching that embodiments herein provides；
Fig. 3 is the structural schematic diagram of access target BS after a kind of terminal switching that embodiments herein provides；
Fig. 4 is a kind of flow diagram of the management method for session that embodiments herein provides；
Fig. 5 is a kind of structural schematic diagram of the managing device for session that embodiments herein provides；
Fig. 6 is the structural schematic diagram of the managing device for another session that embodiments herein provides；
Fig. 7 is the structural schematic diagram of the managing device for another session that embodiments herein provides；
Fig. 8 is a kind of structural schematic diagram of chip provided by the embodiments of the present application.
Specific embodiment
For the ease of clearly describing the technical solution of the embodiment of the present application, in embodiments herein, use " the
One ", the printed words such as " second " distinguish function and the essentially identical identical entry of effect or similar item.For example, the first request disappears
Breath and the second request message are used for the purpose of the different request message of differentiation, are not defined to its sequencing.This field
Technical staff is understood that the printed words such as " first ", " second " are not defined quantity and execution order, and " first ",
Printed words such as " second " do not limit certain different yet.
It should be noted that in the application, " illustrative " or " such as " etc. words make example, illustration for indicating or say
It is bright.Described herein as " illustrative " or " such as " any embodiment or design scheme be not necessarily to be construed as than it
His embodiment or design scheme more preferably or more advantage.Specifically, use " illustrative " or " such as " etc. words be intended to
Related notion is presented in specific ways.
The network architecture and business scenario of the embodiment of the present application description are to more clearly illustrate that the application is implemented
The technical solution of example, does not constitute the restriction for technical solution provided by the embodiments of the present application, those of ordinary skill in the art
It is found that technical solution provided by the embodiments of the present application is for similar with the differentiation of the network architecture and the appearance of new business scene
The technical issues of, it is equally applicable.
In the application, "at least one" refers to one or more, and " multiple " refer to two or more."and/or",
The incidence relation of affiliated partner is described, indicates may exist three kinds of relationships, for example, A and/or B, can indicate: individualism A,
Exist simultaneously A and B, the case where individualism B, wherein A, B can be odd number or plural number.Character "/" typicallys represent front and back and closes
Connection object is a kind of relationship of "or".At least one of " following (a) " or its similar expression, refer to these in any group
It closes, any combination including individual event (a) or complex item (a).For example, at least one (a) in a, b or c, can indicate:
A, b, c, a-b, a-c, b-c or a-b-c, wherein a, b, c can be individually, be also possible to multiple.
The technical solution of the embodiment of the present application can be applied to various communication systems, such as: CDMA (code
Division multiple access, CDMA), time division multiple acess (time division multiple access, TDMA),
Frequency division multiple access (frequency division multiple access, FDMA), orthogonal frequency division multiple access (orthogonal
Frequency-division multiple access, OFDMA), single-carrier frequency division multiple access (single carrier FDMA,
) and other systems etc. SC-FDMA.Term " system " can be replaced mutually with " network ".Cdma system may be implemented for example general
Radio Terrestrial accesses the wireless technologys such as (universal terrestrial radio access, UTRA), CDMA2000.UTRA
It may include the technology of wideband CDMA (wideband CDMA, WCDMA) technology and other CDMA deformation.CDMA2000 can cover
Lid interim standard (interim standard, IS) 2000 (IS-2000), IS-95 and IS-856 standard.TDMA system can be real
The now such as wireless technologys such as global system for mobile communications (global system for mobile communication, GSM).
Such as access of evolved universal Radio Terrestrial (evolved UTRA, E-UTRA), super mobile broadband may be implemented in OFDMA system
(ultra mobile broadband, UMB), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE
The wireless technologys such as 802.20, Flash OFDMA.UTRA and E-UTRA is UMTS and UMTS evolution version.3GPP is drilled for a long time
Into (long term evolution, LTE) and the various versions based on LTE evolution are the new versions using the UMTS of E-UTRA.
5G communication system, newly eat dishes without rice or wine (new radio, NR) be next generation communication system in studying.In addition, communication system is also
It can be adapted for the communication technology to face the future, be all suitable for technical solution provided by the embodiments of the present application.
The system architecture and business scenario of the embodiment of the present application description are to more clearly illustrate that the application is implemented
The technical solution of example, does not constitute the restriction for technical solution provided by the embodiments of the present application, those of ordinary skill in the art
It is found that technical solution provided by the embodiments of the present application is for similar with the differentiation of the network architecture and the appearance of new business scene
The technical issues of, it is equally applicable.It is carried out so that the method for offer is applied in NR system or 5G network as an example in the embodiment of the present application
Explanation.
As shown in Figure 1, Fig. 1 shows a kind of structural schematic diagram of communication system provided by the embodiments of the present application, the communication
System includes: mobile management net element 10, session management network element 20, terminal 30, the source base station 40 and target base communicated with terminal 30
Stand 50, the source user veil member 60 and target user's veil member 70 communicated with session managed network element 20, data network (Data
Network, DN) 80.Source user veil member 60 and the 70 same data network 80 of access of target user's veil member.
Data network 80 refers to the carrier network for the business transmission service that terminal is provided for user, such as IP multimedia industry
Be engaged in (IP Multi-media Service, IMS), Internet etc..
In the embodiment of the present application, DN can be MEC server or MEC platform.Alternatively, DN can provide MEC business.
In the embodiment of the present application, the business of terminal 30 can be MEC business.
Illustratively, MEC business may include content distributing network (content delivery network, CDN) industry
Business, automobile-used wireless communication technique (vehicle to X, V2X) car networking real time business etc..
Terminal 30 can access mobile management net element 10 by source base station 40, can also be accessed and be moved by target BS 50
Managed network element 10.Source base station 40 is the base station accessed before terminal 30 switches.Target BS 50 is the base accessed after terminal 30 switches
It stands.
Mobile management net element 10 is connect with session managed network element 20, and mobile management net element 10 is used to be responsible for the shifting of communication system
Mobility management, such as location updating, 30 registered network of terminal, the switching of terminal 30 of terminal 30 etc..
Session management network element 20 is for being responsible for session management, such as modification, foundation, the release of session of communication system etc..
Concrete function for example terminal 30 distributes IP address, selection provides user's veil member of message forwarding capability etc..
In a kind of possible implementation, as shown in Figure 1, the communication system can also include session anchor point network element 90.Meeting
The mapping relations that words anchor point network element 90 is used to establish between source base station 60 and source user veil member 70, and for establishing target base
The mapping relations stood between 50 and target user's veil member 70.
Session anchor point network element: it is properly termed as protocol Data Unit session anchor point (protocol data unit session
Anchor, PSA), it is referred to as protocol Data Unit (protocol data unit, PDU) anchor point.Session anchor point network element is used
In the work relevant to user face Business Stream such as responsible routing forwarding, Lawful Interception, charge on traffic.
Session anchor point network element may be implemented to shunt, for corresponding with each user's veil member and each user's veil member
Association is established between session.
It should be noted that dotted line indicates that terminal, source base station, session anchor point network element, source are used before terminal switching in Fig. 1
Communication path between family veil member network element, data network.Solid line indicates terminal, target BS, session anchor after terminal switching
Point network element, target user's veil member network element, the communication path between data network.
In present application example, session anchor point network element can determine the transmission path of the business of terminal by mapping relations.
Illustratively, by taking the business of terminal includes the uplink service of terminal and the downlink business of terminal as an example, for terminal
Uplink service, when session anchor point network element receives the uplink service of the terminal from target BS, session anchor point network element can
The business of upstream terminal is sent to target user's veil member according to the mapping relations of target BS and target user's veil member.
For the downlink business of terminal, when session anchor point network element receives the downlink business of the terminal from target user's veil member,
The downlink business of terminal can be sent to by session anchor point network element according to the mapping relations of target BS and target user's veil member
Target BS.
In the embodiment of the present application, source base station 40 and target BS 50, are properly termed as access device, are referred to as wireless
It accesses net (radio access network, RAN).Base station can be global system for mobile communications (global system for
Mobile communication, GSM), the base in CDMA (code division multiple access, CDMA)
Stand (base transceiver station, BTS), wideband code division multiple access (wideband code division multiple
Access, WCDMA) in base station (node B), eNB, Internet of Things (internet of things, IoT) or narrowband Internet of Things
ENB in net (narrow band-internet of things, NB-IoT), the following 5G mobile communications network or future drill
Into public land mobile network (public land mobile network, PLMN) in base station, the embodiment of the present application pair
This is not intended to be limited in any.
In the embodiment of the present application, terminal 30 is for providing a user voice and/or data communication sex service.The terminal can
To have different titles, such as user equipment (user equipment, UE), access terminal, terminal unit, terminal station, movement
It stands, mobile station, remote station, remote terminal, mobile device, wireless telecom equipment, vehicle user equipment, terminal agent or terminal dress
It sets.Optionally, the terminal can be the various handheld devices with communication function, mobile unit, wearable device, calculating
Machine, the embodiment of the present application are not limited in any way this.For example, handheld device can be smart phone.Mobile unit can be vehicle
Carry navigation system.Wearable device can be Intelligent bracelet.Computer can be personal digital assistant (personal digital
Assistant, PDA) computer, plate computer and laptop computer (laptop computer).
In the embodiment of the present application, terminal 30 can be distributed in entire wireless network.
As shown in Fig. 2, when terminal accesses source base station, terminal can be by establishing terminal to source in the embodiment of the present application
Base station is passed to session anchor point network element to the session between source user veil member by the business that the session and DN carry out terminal
It is defeated.
In the embodiment of the present application, terminal to the session between source user veil member can be PDU session.
In the embodiment of the present application, DN can also include application program (application, APP).APP is used for service optimization.
Illustratively, when DN is MEC server, APP is deployed in MEC platform, and available platform capabilities carry out industry
Business optimization.
It should be understood that Fig. 2 in, with core net (Core Network, CN) be 5G core net (5GCore, 5GC) for, this
When, base station can be access device in 5G network or can be RAN.Such as next generation node B (The Next
Generation Node B, gNB).
Wherein, source user veil member is transmitted by the business that N6 interface (abbreviation N6) and DN carry out terminal.
It should be understood that the corresponding network element of user's veil member or entity can be user plane functions (User plane in 5GC
Function, UPF) network element, the corresponding network element of mobile management net element or entity can for access and mobile management function to ps domain
(access and mobility management function, AMF) network element, the corresponding network element of session management network element or reality
Body can be corresponding for conversation management functional (Session Management Function, SMF) network element, session anchor point network element
Network element or entity can be PDU session anchor point network element.
If should be understood that core net using 4G core net (for example, core packet networks evolution (evolved packet
Core, EPC), then base station can be the access device or evolved base station (evolved NodeB, eNB) in 4G network.It is mobile
The corresponding network element of managed network element or entity, the corresponding network element of session management network element or entity can be mobility management entity
(mobility management entity, MME).That is, MME not only has conversation management functional in 4G core net, but also
Has the function of mobile management.User's veil member can by public data network gateway (public data network gateway,
PDN GW, abbreviation PGW), service network element (serving gateway, SGW) substitution.The corresponding network element of session anchor point network element or reality
Body can be gateway user face (serving gateway-user plane, SGW-U) network element and public data network gateway
User face (public data network gateway-user plane, PGW-U) network element.
In the embodiment of the present application, in order to which the business of terminal to be forwarded in the same DN, session management network element be can control
The path of each session is to different N6 interfaces, so as to support the connection of terminal Yu the same DN.Realize this target
User's veil member can have the function of session anchor point network element.If therefore one or more user's veil members are supported to meeting
Words pass through N6 interface to DN, then one or more user's veil member just can be described as session anchor point network element.
As shown in figure 3, after terminal is switched to target BS from source base station, terminal can pass through in the embodiment of the present application
Terminal is established to target BS to session anchor point network element to the session between target user veil member, and by the session and DN into
The business of row terminal is transmitted.
Wherein, target user's veil member is transmitted by the business that N6 interface and DN carry out terminal.
It should be noted that the source base station and target BS in Fig. 2 or Fig. 3 can pass through Xn interface communication.
It should be noted that source base station, target BS, AMF network element in Fig. 2 or Fig. 3, SMF network element, uniform data management
(unified data management, UDM) network element, session anchor point network element, authentication server function (authentication
Server function, AUSF) network element, network storage function (NF repository function, NRF) network element, network open
Playing function (network exposure function, NEF) network element and policy control functions (policy control
Function, PCF) network element etc. is only a name, name does not constitute restriction to equipment itself.It is other in 5G network and future
Network in, source base station, target BS, AMF network element, SMF network element, UDM network element, session anchor point network element, AUSF network element, NRF net
Network element corresponding to member, NEF network element and PCF network element or entity are also possible to other names, and the embodiment of the present application does not make this
It is specific to limit.For example, the UDM network element it is also possible to be replaced by user attaching server (home subscriber server,
HSS) perhaps user-subscribed database (user subscription database USD) or database entity, etc.,
This is described collectively, subsequent to repeat no more.
It is understood that the step executed in a kind of management method of session by session management network element in the embodiment of the present application
Suddenly it can also be executed by the chip being applied in session management network element, by target user's veil member in a kind of management method of session
The step of execution, can also be executed by the chip being applied in target user's veil member, by moving in a kind of management method of session
The step of managed network element executes can also be executed by the chip being applied in mobile management net element.Following embodiments are with a kind of session
Management method in executing subject be respectively to carry out for session management network element, target user veil member and mobile management net element
Description.
In the embodiment of the present application, when terminal accesses source base station, terminal can pass through source base station, session anchor point network element, source
The business that user's veil member and DN carry out terminal is transmitted.When terminal switches to target BS, source base station and target base from source base station
It stands and switches by Xn interface, the mapping relations being stored in session anchor point network element between target BS and target user's veil member,
The business that terminal can carry out terminal by target BS, session anchor point network element, target user's veil member and DN in this way is transmitted.
It should be understood that in the embodiment of the present application, during terminal switches to target BS from source base station, user's veil member
Target user's veil member is switched to from source user veil member, but DN is constant.
It should be noted that in the handoff procedure of terminal, session management network element can be kept not in the embodiment of the present application
Become.Certainly, session management network element also can change.The embodiment of the present application does not limit.
As shown in figure 4, the embodiment of the present application provides a kind of management method of session, this method comprises:
Step 101, session management network element receive the first request message from mobile management net element.
Wherein, the first request message is used to indicate terminal and is switched to target BS from source base station, and the first request message can be with
Mark including at least one session, at least one session are used for transmission the business of terminal, which is terminal
With the session between source user veil member.
In the embodiment of the present application, which can be PDU session.
In the embodiment of the present application, the first request message can update (Nsmf_PDUSession_ for PDU session context
UpdateSMContext) request message.It may include: the mark of at least one to be switched session in first request message.Meeting
Talking about managed network element can determine whether source user veil member can continue as at least one to be switched according to the first request message
Session provides service.When terminal is switched to target BS from source base station, session management network element determines that source user veil member can not
At least one conversational services is continued as, therefore at least one session can be switched to target user's veil by session management network element
Member.
It should be understood that after terminal is switched to target BS from source base station, if target BS does not include the MEC industry for supporting terminal
When the session of business, then source user veil member can not be the conversational services.
In the embodiment of the present application, since the same DN can be communicated from different user's veil members, when terminal is from source base station
After being switched to target BS, if source user veil member can not provide service for the business of terminal, session management network element can will
Words are switched to target user's veil member from source user veil member.
It should be noted that can also include identification information, the location information of terminal etc. of terminal in the first request message.
The identification information of terminal in the embodiment of the present application terminal for identification.The identification information of the terminal can for
It is next or multiple: internet protocol address (internet protocol, IP), signing permanent identification (subscription
Permanent identifier, SUPI), permanent device mark (permanent equipment identifier, PEI),
General public signatory mark (generic public subscription identifier, GPSI), international mobile subscriber mark
Know symbol (international mobile subscriber identifier, IMSI), International Mobile Station Equipment Identification
(international mobile equipment identity, IMEI), IP address and mobile station International Integrated Services number
Network number (mobile station international integrated service digital network
Number, MSISDN).In every case the identification information for being related to terminal in following embodiments can be subsequent with reference to description herein
It repeats no more.
Step 102, session management network element are according to the mark of at least one session by least one session from source user veil
Member is switched to target user's veil member.
After session management network element determines that target user's veil is first, session management network element can be according at least one session
At least one session is switched to target user's veil member from source user veil member by mark.In handoff procedure, the business of terminal
It is unaffected, therefore the available continuous sex service of terminal.
The management method of session provided by the embodiments of the present application, session management network element will according to the mark of at least one session
At least one session is switched to target user's veil member from source user veil member.Target BS is switched to from source base station in terminal
In the process, session is switched to target user's veil member from source user veil member by session management network element, works as terminal to ensure that
When the base station of access changes, the continuity of the session of terminal and data network, therefore the business of terminal can also keep continuous.
In a kind of possible implementation, as shown in figure 4, session management network element can pass through step before step 102
103- step 104 determines target user's veil member:
Step 103, session management network element obtain the location information of terminal.
Illustratively, session management network element can obtain the location information of terminal from mobile management net element.
Illustratively, when terminal accesses source base station, mobile management net element can obtain the position of terminal by source base station
Information.When terminal accesses target BS, mobile management net element can get the location information of terminal by target BS.Example
Such as, a kind of example, mobile management net element receive the path integration request from target BS, can take in path integration request
The location information of tape terminal.Another example, mobile management net element sends terminal location to target BS and reports request, with from mesh
Mark the location information that base station obtains terminal.
In the embodiment of the present application, the location information of terminal can be carried in the first request message, certainly, the position of the terminal
Confidence breath can also be sent to session management network element by individual message.
It should be noted that step 101 and step 103 execute sequence in practical implementation in the embodiment of the present application
In no particular order.
It should be understood that session management network element can also receive the identification information of terminal.
Step 104, session management network element are believed according to the location information of terminal, the position of one or more user's veil members
Breath, the conversation type of at least one session, the load information of one or more user's veil member, at least one session business and
The ability of conversation continuity (service and session continuity, SSC) type, one or more user's veil members
Any one or more in information determine target user's veil member.
Wherein, target user's veil member is one in one or more user's veil members.
The application after terminal is switched to target BS, can maintain terminal by target user's veil member in implementing
The business of terminal between DN is transmitted.
In the embodiment of the present application, the location information of one or more user's veil members refers to one or more user's veils
The deployment scenario of member, namely the subsidence position of one or more user's veil members.Session management network element can be according to the position of terminal
Confidence breath and/or the location information in one or more users face determine target user's veil member.
Illustratively, when terminal is located at the area A, and the business of terminal occurs in the area A, then the user in the preferential selection selection area A
Veil member is as target user's veil member.
In the embodiment of the present application, the ability information of one or more user's veil members may include charging, monitoring, Business Stream
Forwarding etc..
Illustratively, when the business of terminal is CDN business, since CDN business lays particular emphasis on flow forwarding and billing function,
User's veil member with flow forwarding and billing function then be can choose as target user's veil member；When the business of terminal is
When V2X car networking real time business, since V2X car networking real time business lays particular emphasis on flow forwarding, service quality (quality of
Service, QoS) ensure etc., therefore can choose user's veil member with functions such as flow forwarding, QoS guarantees as target
User's veil member.
In the embodiment of the present application, the load information of one or more user's veil members is for reflecting one or more user faces
The load of network element.
Illustratively, when the area A includes user's veil member 1 and user's veil member 2, if the load of user's veil member 1 is higher than use
The load of family veil member 2 then preferentially selects user's veil member 2 as target user's veil member, it is ensured that user's veil member
Load balancing.
In the embodiment of the present application, the conversation type of at least one session includes internet protocol version (Internet
Protocol version, IPV) 4, IPV6, ether net type etc..
Illustratively, when the business of terminal is based on IPV4, then preferentially select user's veil member of support IPV4 as
Target user's veil member.
In the embodiment of the present application, the SSC type of at least one session refers to the SSC mode of at least one session.Session
SSC mode may include: SSC mode 1, for terminal in moving process, session can be always maintained at continuity；SSC mode 2,
Terminal can first discharge existing session in moving process, and establish new session and replace the session being released；SSC mode 3,
Terminal can continue to existing session for a period of time in moving process, while establish new session to replace original session,
After the existing session time expires, existing session is discharged, new session is only retained.
In the embodiment of the present application, after session management network element determines that target user's veil is first, session management network element can be released
At least one session with source user veil member is put, then at least one session is switched to target user's veil member.Alternatively, working as
After session management network element determines target user's veil member, at least one session is first switched to target user face by session management network element
Network element, at least one session of release and original subscriber's veil member.
In a kind of possible implementation, as shown in figure 4, before step 102, this method can also include:
Step 105, session management network element send the second request message to target user's veil member.
In the embodiment of the present application, after session management network element determines target user's veil member, session management network element can be to mesh
It marks user's veil member and sends the second request message.Second request message can request for N4 session establishment.
Wherein, the second request message may include address information, uplink tunnel identifier and downlink tunnel identifier.
It should be understood that address information can be the address information of target user's veil member, uplink tunnel identifier and downlink tunnel
Road identifier can serve to indicate that the path of session.
In the embodiment of the present application, the IP address distribution and the distribution of upstream and downstream tunnel identifier of target user's veil member are all
It is completed by session management network element.
In a kind of possible implementation, as shown in figure 4, before step 102, this method can also include:
Step 106, session management network element receive the session establishment response from target user's veil member.
In the embodiment of the present application, session establishment response can respond for N4 session establishment.
In the embodiment of the present application, if the target user face in the address information of target user's veil member and the second request message
The address information of network element is identical, then target user's veil member can send session establishment response.
It should be noted that it may include the address information of target user's veil member, uplink tunnel mark that this, which establishes response message,
Know symbol and downlink tunnel identifier etc..
In a kind of possible implementation, as shown in figure 4, this method can also include:
Step 107, session management network element send third request message to session anchor point network element.
Wherein, third request message is used to indicate at least one session and is switched to target user's veil from source user veil member
Member, session anchor point network element are used to establish the mapping relations between target BS and target user's veil member.
It should be understood that session anchor point network element can have mapping relations and mesh between source base station and source user veil member
Mark the mapping relations between base station and target user's veil member.
In the embodiment of the present application, after session management network element determines target user veil member, session management network element can be to
Session anchor point network element sends third request message (namely N4 session modification request), for showing that terminal is switched to mesh from source base station
After marking base station, at least one session is switched to target user's veil member from source user veil member by session management network element.
In a kind of possible implementation, as shown in figure 4, this method can also include:
Step 108, session management network element receive the session modification response from session anchor point network element.
In the embodiment of the present application, session modification response can respond for N4 session modification, that is, session anchor point network element can be with
It is responded by N4 message.After at least one session is switched to target user veil member, target user's veil member can be with
According to the address information of target user's veil member, uplink tunnel identifier and downlink tunnel identifier, pass through session anchor point network element
The downlink business of terminal from DN is sent to target BS.Target user's veil member can also be according to target user's veil member
Address information, uplink tunnel identifier and downlink tunnel identifier, pass through the upper industry of session anchor point network element self terminal in future
Business is sent to DN.
In a kind of mode in the cards, as shown in figure 4, before step 101, side provided by the embodiments of the present application
Method can also include:
Step 109, mobile management net element receive the path integration request from target BS.
After terminal accesses target BS, target BS can be to mobile management net element transmitting path convert requests, path
Convert requests can request for N2 path integration.Path integration is requested for showing that terminal has accessed target BS.Target base
Session list can also be sent to mobile management net element by standing, which includes the mark of at least one session.
In a kind of possible implementation, as shown in figure 4, this method can also include step 110- step 111:
Step 110, session anchor point network element send at least one " terminal label " identifier to source base station.
In the embodiment of the present application, used when at least one session is switched to target from source user veil member by session management network element
After the veil member of family, session anchor point network element can send at least one " terminal label " identifier to source base station.
Step 111, source base station send at least one " terminal label " identifier to target BS.
In the embodiment of the present application, after source base station receives at least one " terminal label " identifier, source base station can be to
Target BS sends at least one " terminal label " identifier, for showing to have completed the switching of at least one session.
In a kind of possible implementation, as shown in figure 4, this method can also include:
Step 112, session management network element send the first response to mobile management net element.
In the embodiment of the present application, after session management network element receives the first request message from mobile management net element, session
Managed network element can send the first response to mobile management net element.First response can be Nsmf_PDUSession_
UpdateSMContext response.First response may include the information of core network tunnels, which can be used for sending
The address information of uplink tunnel identifier and target user's veil member.
In a kind of possible implementation, as shown in figure 4, this method can also include:
Step 113, mobile management net element are to target BS transmitting path handoff response.
In the embodiment of the present application, after at least one session is switched to target user's veil member by session management network element, move
Dynamic managed network element can be able to be the path N2 handoff response to target BS transmitting path handoff response, the path handoff response.
The path handoff response may include the contents such as N2 session information.
It should be understood that after target BS receives the path handoff response from mobile management net element, target BS can be with
It determines and has completed at least one session switching.
In a kind of possible implementation, as shown in figure 4, this method can also include:
Step 114, target BS send the request of release resource to source base station.
In the embodiment of the present application, after the completion of at least one session switching, target BS can be sent by Xn interface and be released
The request of resource is put to source base station, the request is for indicating that at least one session switching has been completed.
In a kind of possible implementation, as shown in figure 4, this method can also include:
Step 115, terminal send mobile re-register and update request.
In the embodiment of the present application, after terminal is linked into target BS, if the communication service needs of terminal re-register,
Terminal can initiate mobile re-register and update request.
Illustratively, the communication service of terminal can lead to for the voice carried out using communication carrier network (such as 4G or 5G)
The business such as words or short message receiving-transmitting.
Present invention also provides the embodiments of the management method of another session, as shown in figure 4, this method may include:
Step 201, target user's veil member receive the mark of at least one session from session management network element.
In the embodiment of the present application, when terminal is switched to target BS from source base station, session management network element can be to target
User's veil member sends the mark of at least one session, which is the meeting between source base station and source user veil member
Words.
Step 202, target user's veil member determine at least one session from source user according to the mark of at least one session
Veil member switches to target user's veil member.
After target user's veil member receives the mark of at least one session from session management network element, target user
Veil member can determine that at least one session switches from source user veil member according to the mark of at least one session
To target user's veil member.
Conversation managing method provided by the embodiments of the present application, after terminal accesses target BS from source base station, target user
Veil member can determine that at least one session is switched to target from source user veil member and uses according to the mark of at least one session
Family veil member, to ensure that when base station access by terminal changes, the continuity of the business of terminal.
The embodiment of the present application can carry out functional module or function according to managing device of the above method example to session
The division of unit, for example, each functional module of each function division or functional unit can be corresponded to, it can also be by two or two
A above function is integrated in a processing module.Above-mentioned integrated module both can take the form of hardware realization, can also
It is realized in the form of using software function module or functional unit.Wherein, to module or unit in the embodiment of the present application
Division is schematically that only a kind of logical function partition, there may be another division manner in actual implementation.
The embodiment of the present application provides a kind of managing device of session, is applied to session management network element, or application
In the chip of session management network element, as shown in figure 5, the apparatus may include:
Communication unit 510, for receiving the mark of at least one session from mobile management net element；Wherein, at least one
A session is used for transmission the business of terminal；At least one session is the session between terminal and source user veil member.
Processing unit 520 determines at least one session from source user veil member for the mark according at least one session
Switch to target user's veil member.
Optionally, communication unit 510 are also used to obtain the location information of terminal.
Processing unit 520, be also used to the location information according to terminal, one or more user's veil member location information,
The conversation type of at least one session, the load information of one or more user's veil members, at least one session SSC type,
Any one or more in the ability information of one or more user's veil members determine target user's veil member.
Optionally, communication unit 510, are also used to send the second request message to target user's veil member, and the second request disappears
Breath includes address information, uplink tunnel identifier and downlink tunnel identifier.
Optionally, communication unit 510 are also used to send third request message, third request message to session anchor point network element
It is used to indicate at least one session and is switched to target user's veil member from source user veil member, wherein session anchor point network element is used for
Establish the mapping relations between target BS and target user's veil member.
Optionally, the business of terminal includes at least one MEC business.
Optionally, source user veil member and target user's veil member are connect with the same DN.
The embodiment of the present application provides the managing device of another session, is applied to target user's veil member, or
Applied to the chip of target user's veil member, as shown in fig. 6, the apparatus may include:
Communication unit 610, for receiving the mark of at least one session from session management network element；Wherein, at least one
A session is used for transmission the business of terminal；At least one session is the session between terminal and source user veil member；
Determination unit 620 determines at least one session from source user veil member for the mark according at least one session
Switch to target user's veil member.
Optionally, communication unit 610 are also used to receive the second request message from session management network element, the second request
Message includes address information, uplink tunnel identifier and downlink tunnel identifier.
Optionally, the business of terminal includes at least one MEC business.
Optionally, source user veil member and target user's veil member are connect with the same DN.
Fig. 7 shows another possible structural schematic diagram of the managing device of involved session in above-described embodiment.It should
Device includes: one or more processors 161 and communication interface 162.Processor 161 is for carrying out control pipe to the movement of device
Reason, for example, executing the step of above-mentioned processing unit 620 executes, and/or other mistakes for executing techniques described herein
Journey.
In the concrete realization, as one embodiment, processor 161 may include one or more CPU, such as in Fig. 7
CPU0 and CPU1.
In the concrete realization, as one embodiment, communication equipment may include multiple processors, such as the place in Fig. 7
Manage device 161.Each of these processors can be monokaryon (single-CPU) processor, be also possible to a multicore
(multi-CPU) processor.Here processor can refer to one or more equipment, circuit, and/or for handling data (example
Such as computer program instructions) processing core.
Optionally, which can also include memory 163 and communication line 164, and memory 163 is for storage device
Program code and data.
Fig. 8 is the structural schematic diagram of chip 170 provided by the embodiments of the present application.Chip 170 includes one or more
(including two) processor 1710 and communication interface 1730.
Optionally, which further includes memory 1740, and memory 1740 may include read-only memory and deposit at random
Access to memory, and operational order and data are provided to processor 1710.The a part of of memory 1740 can also include non-volatile
Property random access memory (non-volatilerandom access memory, NVRAM).
In some embodiments, memory 1740 stores following element, execution module perhaps data structure or
Their subset or their superset.
In the embodiment of the present application, by calling the operational order of the storage of memory 1740, (operational order is storable in
In operating system), execute corresponding operation.
Wherein, above-mentioned processor 1710 may be implemented or execute various exemplary in conjunction with described in present disclosure
Logic block, unit and circuit.The processor can be central processing unit, general processor, and digital signal processor is dedicated
Integrated circuit, field programmable gate array or other programmable logic device, transistor logic, hardware component or its
Any combination.It, which may be implemented or executes, combines various illustrative logic blocks described in present disclosure, unit
And circuit.The processor is also possible to realize the combination of computing function, such as combines comprising one or more microprocessors,
DSP and the combination of microprocessor etc..
Memory 1740 may include volatile memory, such as random access memory；The memory also may include
Nonvolatile memory, such as read-only memory, flash memory, hard disk or solid state hard disk；The memory can also include upper
State the combination of the memory of type.
Bus 1720 can be expanding the industrial standard structure (Extended Industry Standard
Architecture, EISA) bus etc..Bus 1720 can be divided into address bus, data/address bus, control bus etc..For convenient for
It indicates, is only indicated with a line in Fig. 8, it is not intended that an only bus or a type of bus.
Through the above description of the embodiments, it is apparent to those skilled in the art that, for description
It is convenienct and succinct, only with the division progress of above-mentioned each functional unit for example, in practical application, can according to need and will be upper
It states function distribution to be completed by different functional units, i.e., the internal structure of device is divided into different functional units, to complete
All or part of function described above.The specific work process of the system, apparatus, and unit of foregoing description, before can referring to
The corresponding process in embodiment of the method is stated, details are not described herein.
The embodiment of the present application also provides a kind of computer readable storage medium, and finger is stored in computer readable storage medium
It enables, when computer executes the instruction, which executes each step in method flow shown in above method embodiment.
Wherein, computer readable storage medium, such as electricity, magnetic, optical, electromagnetic, infrared ray can be but not limited to or partly led
System, device or the device of body, or any above combination.The more specific example of computer readable storage medium is (non-poor
The list of act) it include: the electrical connection with one or more conducting wires, portable computer diskette, hard disk.Random access memory
(Random Access Memory, RAM), read-only memory (Read-Only Memory, ROM), erasable type may be programmed read-only
It is memory (Erasable Programmable Read Only Memory, EPROM), register, hard disk, optical fiber, portable
Compact disc read-only memory (Compact Disc Read-Only Memory, CD-ROM), light storage device, magnetic memory
Part or above-mentioned people are in appropriate combination or the computer readable storage medium of any other form of this field numerical value.
A kind of illustrative storage medium is coupled to processor, to enable a processor to from the read information, and can be to
Information is written in the storage medium.Certainly, storage medium is also possible to the component part of processor.Pocessor and storage media can be with
In application-specific IC (Application Specific Integrated Circuit, ASIC).In the application
In embodiment, computer readable storage medium can be any tangible medium for including or store program, which can be referred to
Enable execution system, device or device use or in connection.
The embodiment of the present invention provides a kind of computer program product comprising instruction, when instruction is run on computers
When, so that computer executes the management method of session as shown in Figure 4.
It is produced by the managing device of session in an embodiment of the present invention, computer readable storage medium, computer program
Product can be applied to the above method, therefore, can be obtained technical effect see also above method embodiment, the present invention is real
Applying example, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method, it can be with
It realizes by another way.For example, apparatus embodiments described above are merely indicative, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of equipment or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain
Lid is within the scope of protection of this application.Therefore, the protection scope of the application should be based on the protection scope of the described claims.
Claims (16)
1. a kind of management method of session, which is characterized in that the described method includes:
Session management network element receives the first request message from mobile management net element；Wherein, first request message is used for
Instruction terminal is switched to target BS from source base station, and first request message includes the mark of at least one session, it is described extremely
A few session is used for transmission the business of the terminal；At least one described session is between the terminal and source user veil member
Session；
The session management network element incites somebody to action at least one described session from the source user according to the mark of at least one session
Veil member is switched to target user's veil member.
2. the method according to claim 1, wherein the method also includes:
The session management network element obtains the location information of the terminal；
The session management network element is according to the location information of the terminal, the location information of one or more user's veil members, institute
State the conversation type of at least one session, the load information of one or more of user's veil members, at least one described session
Business and conversation continuity SSC type, the ability information of one or more of user's veil members in any one or more,
Determine target user's veil member.
3. method according to claim 1 or 2, which is characterized in that the method also includes:
The session management network element sends the second request message to target user's veil member, and second request message includes
Address information, uplink tunnel identifier and downlink tunnel identifier.
4. method according to claim 1 or 2, which is characterized in that the method also includes:
The session management network element sends third request message to session anchor point network element, and the third request message is used to indicate institute
It states at least one session and is switched to target user's veil member from the source user veil member, wherein the session anchor point net
Mapping relations of the member for establishing between the target BS and target user's veil member.
5. method according to claim 1 or 2, which is characterized in that the business of the terminal includes at least one multiple access
Edge calculations MEC business.
6. method according to claim 1 or 2, which is characterized in that the source user veil member and the target user face
Network element is connect with the same data network DN.
7. a kind of management method of session, which is characterized in that the described method includes:
The mark of at least one session of target user's veil member reception from session management network element；Wherein, it is described at least one
Session is used for transmission the business of terminal；At least one described session is the session between the terminal and source user veil member；
Target user's veil member determines at least one described session from source user according to the mark of at least one session
Veil member switches to target user's veil member.
8. the method according to the description of claim 7 is characterized in that the method also includes:
Target user's veil member receives the second request message from the session management network element, second request message
Including address information, uplink tunnel identifier and downlink tunnel identifier.
9. a kind of managing device of session characterized by comprising
Communication unit, for receiving the first request message from mobile management net element；Wherein, first request message is used for
Instruction terminal is switched to target BS from source base station, and first request message includes the mark of at least one session, it is described extremely
A few session is used for transmission the business of the terminal；At least one described session is between the terminal and source user veil member
Session；
Processing unit, for inciting somebody to action at least one described session from the source user veil according to the mark of at least one session
Member is switched to target user's veil member.
10. device according to claim 9, which is characterized in that the communication unit is also used to obtain the position of the terminal
Confidence breath；
The processing unit, be also used to the location information according to the terminal, one or more user's veil member location information,
The conversation type of at least one session, the load information of one or more of user's veil members, at least one described meeting
Any of the business and conversation continuity SSC type of words, the ability information of one or more of user's veil members are more
It is a, determine target user's veil member.
11. device according to claim 9 or 10, which is characterized in that the communication unit is also used to use to the target
Family veil member sends the second request message, and second request message includes address information, uplink tunnel identifier and downlink tunnel
Road identifier.
12. device according to claim 9 or 10, which is characterized in that the communication unit is also used to session anchor point net
Member sends third request message, and the third request message is used to indicate at least one described session from the source user veil member
It is switched to target user's veil member, wherein the session anchor point network element is for establishing the target BS and the target
Mapping relations between user's veil member.
13. a kind of managing device of session characterized by comprising
Communication unit, for receiving the mark of at least one session from session management network element；Wherein, at least one described meeting
Words are used for transmission the business of terminal；At least one described session is the session between the terminal and source user veil member；
Determination unit determines at least one described session from source user veil for the mark according at least one session
Member switches to target user's veil member.
14. device according to claim 13, which is characterized in that the communication unit is also used to receive from the meeting
The second request message of managed network element is talked about, second request message includes address information, uplink tunnel identifier and downlink tunnel
Road identifier.
15. a kind of readable storage medium storing program for executing, which is characterized in that instruction is stored in the readable storage medium storing program for executing, when described instruction quilt
When execution, such as the described in any item methods of claim 1-6 or 7-8 are realized.
16. a kind of chip, which is characterized in that the chip includes processor and communication interface, the communication interface and the place
Device coupling is managed, the processor is for running computer program or instruction, to realize such as any one of claim 1-6 or 7-8 institute
The method stated.
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| CN112953843A (en) * | 2019-11-26 | 2021-06-11 | 华为技术有限公司 | Data transmission method and device |
| CN112953843B (en) * | 2019-11-26 | 2022-12-30 | 华为技术有限公司 | Data transmission method and device |
| CN112867050B (en) * | 2019-11-28 | 2022-03-04 | 大唐移动通信设备有限公司 | UPF network element management method and system |
| CN112867050A (en) * | 2019-11-28 | 2021-05-28 | 大唐移动通信设备有限公司 | UPF network element management method and system |
| WO2021135663A1 (en) * | 2019-12-31 | 2021-07-08 | 华为技术有限公司 | Application instance determination method, device, and system |
| WO2021189269A1 (en) * | 2020-03-24 | 2021-09-30 | 华为技术有限公司 | Method and apparatus for implementing service continuity |
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