CN109729505A - A kind of method for processing business and the network equipment - Google Patents
A kind of method for processing business and the network equipment Download PDFInfo
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Abstract
The invention discloses a kind of method for processing business and the network equipments, which comprises the network function storage network element of access and mobile management network element into communication system sends the request for subscribing to the information on services of session management network element；Wherein, the information on services includes service list and/or service state, and the session management network element is the session management network element in multiple session management network elements in the communication system with the access and mobile management network element progress service interaction；The access and mobile management network element receive the information on services from network function storage network element, discharge the session established with the session management network element with the terminal device and base station that connect by information on services control with the session management network element or re-establish the session with the session management network element.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of method for processing business and the network equipment.
Background technique
As the continuous development of the communication technology and the business demand amount of user terminal are increasing, the frame of wireless communication system
Structure is also being continuously updated.For example, in the 5th third generation mobile communication network, using serviceization framework, as shown in Figure 1.
In the architecture, access control and mobile management function to ps domain (Access Control and Mobility
Management Function, AMF) entity for receive conversation management functional (Session Management Function,
SMF) the instruction information that entity is sent organizes corresponding NAS to user terminal, base station is notified to establish user plane information, and will be whole
The response message of end and base station passes through SMF entity.SMF entity is used for the foundation of session, modification and deletion.SMF entity can be with
The information for the management that conversates is obtained by the way of subscribing to AMF entity.For example, SMF entity can be ordered to AMF entity
Read the position change (TAI, cell (Cell) ID) of user terminal, access style changes (third generation partner program (The3rd
Generation Partnership Project, 3GPP) access or non-3 gpp (non-3GPP) access), login state change
(registering or go to register), connection status change (idle state (IDLE) or connection status (CONNECTED)), user terminal loses
The information such as connection, the state of reachability of user terminal and the session list optionally to be activated, then according to above- mentioned information come
There is the associated session of abnormal conditions to handle user terminal.
By above-mentioned treatment process it is found that after the state of user terminal changes in the session established, SMF entity can be with
Know the variation of user terminal, and respective handling is carried out to the session, still, if after the state of SMF entity changes, such as
SMF entity breaks down, and in core net framework as shown in Figure 1, the state change of SMF entity does not have approach notice AMF real
Body influences the use of user terminal and wastes valuable to eat dishes without rice or wine to provide to cause the respective session of user terminal unavailable
Source.
Summary of the invention
The present invention provides a kind of method for processing business and the network equipment, to solve in the prior art when SMF entity occurs
The technical issues of use and the wasting of resources of influence user terminal caused by when state change.
First aspect present invention provides a kind of method for processing business, which comprises
The network function storage network element of access and mobile management network element into communication system, which is sent, subscribes to session management net
The request of the information on services of member；Wherein, the information on services includes service list and/or service state, the session management net
Service interaction is carried out with the access and mobile management network element in first multiple session management network elements in the communication system
Session management network element；
The access and mobile management network element receive the information on services from network function storage network element, with logical
Cross the terminal device and base station release and the session management net that the information on services control is connect with the session management network element
The session or re-establish session with the session management network element that member is established.
In possible embodiment, the information on services includes the service list, in the access and mobile management
Network element from the network function storage network element in receive the information on services after, the method also includes:
The access and mobile management network element update the access and mobile management network element according to the service list
The original service list corresponding with the session management network element of middle storage.
In possible embodiment, the information on services includes the service state, in the access and mobile management
Network element from the network function storage network element in receive the information on services after, the method also includes:
The access and mobile management network element determine that the service state characterizes the session management network element and capacity occurs
Variation；Wherein, the volume change is that capacity increases or capacity is reduced；
The access and mobile management network element become the service status flag of the session management network element for capacity occurs
The state of change, and adjust the selection weighted value of the session management network element；Wherein, the size of the selection weighted value is set with terminal
It is standby to select the probability of the session management network element directly proportional from the multiple session management network element in access.
In possible embodiment, the selection weighted value of the adjustment session management network element, comprising:
When the volume change is that the capacity increases, the access and mobile management network element promote the session management
The weighted value of network element, when the volume change is that the capacity is reduced, the access and mobile management network element reduce the meeting
Talk about the weighted value of managed network element.
In possible embodiment, the information on services includes the service state, in the access and mobile management
Network element from the network function storage network element in receive the information on services after, the method also includes:
The access and mobile management network element determine that the service state characterizes the session management network element and breaks down；
The service status flag of the session management network element is down state by the access and mobile management network element,
And value corresponding with down state is set by the selection weighted value of the session management network element.
In possible embodiment, the method also includes:
The access and mobile management network element determine the service of N number of session management network element corresponding with target terminal equipment
State is the state to break down；Wherein, the target terminal equipment is that the terminal connecting with the session management network element is set
Standby, N is positive integer；
The access and mobile management network element initiate to go registration process to the terminal device to base station；
The access and mobile management network element notify base station release with it is described access and mobile management network element it
Between N2 connection and release and the context of the terminal device.
In possible embodiment, the method also includes:
The access and mobile management network element determine the M in N number of session management network element corresponding with target terminal equipment
The service state of a session management network element is the state to break down；Wherein, the target terminal equipment is and the session pipe
The terminal device of network element connection is managed, N, M are positive integer, and M is less than N；
According to the strategy prestored, true directional base station is initiated to the terminal device for the access and mobile management network element
Session discharges process；Wherein, session of the session between the terminal device and the partial session managed network element.
In possible embodiment, the method also includes:
The access and mobile management network element determine the M in N number of session management network element corresponding with target terminal equipment
The service state of a session management network element is the state to break down；Wherein, the target terminal equipment is and the session pipe
The terminal device of network element connection is managed, N, M are positive integer, and M is less than N；
According to the strategy prestored, true directional base station is initiated to the terminal device for the access and mobile management network element
Session rebuilding founds process；Wherein, session of the session between the terminal device and the partial session managed network element.
Second aspect of the present invention provides a kind of method for processing business, which comprises
Network function stores the subscription session pipe of access and mobile management network element transmission that network element receives in communication system
Manage the request of the information on services of network element；Wherein, the information on services includes service list and/or service state, the session pipe
Network element is managed to carry out business with the access and mobile management network element in multiple session management network elements in the communication system
Interactive session management network element；
The network function storage network element is based on the request, sends the clothes to the access and mobile management network element
Business information.
In possible embodiment, network element is stored in the network function and is sent to the access and mobile management network element
Before the information on services, the method also includes:
The network function storage network element determines that the service list of the session management network element and/or service state become
Change.
In possible embodiment, the service state includes the capacity status of the session management network element, the network
Function stores network element and sends the information on services to the access and mobile management network element, comprising:
Network function storage network element determines whether the variable quantity of the capacity status reaches preset threshold and/or described
Network function stores network element and once sends the information on services to the access and mobile management network element with upper at current time
At the time of between time interval whether meet preset duration；
When to be, the network function stores network element and sends the service letter to the access and mobile management network element
Breath.
Third aspect present invention provides a kind of network equipment, comprising:
Sending module sends the service for subscribing to session management network element for the network function storage network element into communication system
The request of information；Wherein, the information on services includes service list and/or service state, and the session management network element is described
The session pipe of service interaction is carried out in multiple session management network elements in communication system with the access and mobile management network element
Manage network element；
Receiving module, for receiving the information on services from network function storage network element, to pass through the service
The meeting that the terminal device and base station release that information control is connect with the session management network element are established with the session management network element
Talk about or re-establish the session with the session management network element.
In possible embodiment, the information on services includes the service list, and the network equipment further includes updating
Module, the update module are specifically used for:
According to the service list, update storing with the session management net in the access and mobile management network element
The corresponding original service list of member.
In possible embodiment, the information on services includes the service state, and the network equipment further includes adjustment
Module, the adjustment module are specifically used for:
Determine that the service state characterizes the session management network element and volume change occurs；Wherein, the volume change is
Capacity increases or capacity is reduced；
Service status flag by the session management network element is the state that volume change occurs, and adjusts the session pipe
Manage the selection weighted value of network element；Wherein, the size of the selection weighted value and terminal device are in access from the multiple session
Select the probability of the session management network element directly proportional in managed network element.
In possible embodiment, the adjustment module is specifically used for:
When the volume change is that the capacity increases, the weighted value of the session management network element is promoted, the capacity becomes
When turning to capacity reduction, the weighted value of the session management network element is reduced.
In possible embodiment, the information on services includes the service state, and the network equipment further includes setting
Module, the setup module are used for:
Determine that the service state characterizes the session management network element and breaks down；
It is down state by the service status flag of the session management network element, and by the choosing of the session management network element
It selects weighted value and is set as value corresponding with down state.
In possible embodiment, the setup module is also used to:
The service state for determining N number of session management network element corresponding with target terminal equipment is the state to break down；
Wherein, the target terminal equipment is the terminal device connecting with the session management network element, and N is positive integer；
It initiates to go registration process to the terminal device to base station；
Notify the N2 connection between base station release and the access and mobile management network element and discharge with it is described
The context of terminal device.
In possible embodiment, the network equipment further includes the first determining module, and first determining module is used for:
Determine the service state of M session management network element in N number of session management network element corresponding with target terminal equipment
For the state to break down；Wherein, the target terminal equipment is the terminal device connecting with the session management network element, N, M
For positive integer, M is less than N；
According to the strategy prestored, true directional base station initiates the session to the terminal device and discharges process；Wherein, the meeting
Talk about the session between the terminal device and the partial session managed network element.
In possible embodiment, the network equipment further includes the second determining module, and second determining module is used for:
Determine the service state of M session management network element in N number of session management network element corresponding with target terminal equipment
For the state to break down；Wherein, the target terminal equipment is the terminal device connecting with the session management network element, N, M
For positive integer, M is less than N；
According to the strategy prestored, true directional base station initiates to found process to the session rebuilding of the terminal device；Wherein, described
Session of the session between the terminal device and the partial session managed network element.
Fourth aspect present invention provides a kind of network equipment, comprising:
Receiving module, for receiving the subscription session management net of access and mobile management network element transmission in communication system
The request of the information on services of member；Wherein, the information on services includes service list and/or service state, the session management net
Service interaction is carried out with the access and mobile management network element in first multiple session management network elements in the communication system
Session management network element；
Sending module sends the information on services to the access and mobile management network element for being based on the request.
In possible embodiment, the network equipment further includes determining module, and the determining module is specifically used for:
The service list and/or service state for determining the session management network element change.
In possible embodiment, the service state includes the capacity status of the session management network element, the transmission
Module is specifically used for:
Determine whether the variable quantity of the capacity status reaches preset threshold and/or network function storage network element is being worked as
Time interval between at the time of preceding moment and last time send the information on services to the access and mobile management network element
Whether preset duration is met；
When to be, the information on services is sent to the access and mobile management network element.
Fifth aspect present invention provides a kind of network equipment, including processor, transmitters and receivers, wherein receiver
Data are sended and received under the control of a processor with transmitter, and the base station further includes memory, is saved in the memory
There is preset program, processor reads the program in memory, following procedure is executed according to the program:
Network function storage network element of the transmitter into communication system sends the service letter for subscribing to session management network element
The request of breath；Wherein, the information on services includes service list and/or service state, and the session management network element is described logical
The session management of service interaction is carried out in multiple session management network elements in letter system with the access and mobile management network element
Network element；
The receiver receives the information on services from network function storage network element, so that the processor passes through
The terminal device and base station release and the session management network element that the information on services control is connect with the session management network element
The session of foundation re-establishes session with the session management network element.
Sixth aspect present invention provides a kind of network equipment, including processor, transmitters and receivers, wherein receiver
Data are sended and received under the control of a processor with transmitter, and the base station further includes memory, is saved in the memory
There is preset program, processor reads the program in memory, following procedure is executed according to the program:
The receiver receives the subscription session management network element of access and mobile management network element transmission in communication system
Information on services request；Wherein, the information on services includes service list and/or service state, the session management network element
To carry out service interaction with the access and mobile management network element in multiple session management network elements in the communication system
Session management network element；
The processor is based on the request, determines to the access and mobile management network element and sends the service letter
Breath, and the information on services is sent to the access and mobile management network element by the transmitter.
Technical solution in the embodiment of the present invention has the following beneficial effects:
Access and mobile management network element can store network element to the network function in communication system first and send subscription session
The request of the information on services of managed network element, the information on services include service list and/or service state, the session management net
Service interaction is carried out with the access and mobile management network element in first multiple session management network elements in the communication system
Session management network element, when the information on services of session management network element changes, it is described access and mobile management network element then
It can be stored in network element from the network function and receive the information on services, thus according to information on services control and the meeting
The session or re-establish and institute that the terminal device of words managed network element connection and base station release are established with the session management network element
The session of session management network element is stated, in this way, access and mobile management network element being capable of the timely clothes that must obtain session management network element
Business information, so that access and mobile management network element can be in time to corresponding after the state of session management network element changes
Session handled, for example, releasing session or re-establishing session etc., improve the use feeling of user terminal and can reduce
Waste to interface-free resources.
Detailed description of the invention
Fig. 1 is 5G serviceization block architecture diagram in the prior art；
Fig. 2 is the flow chart of the method for processing business provided in one embodiment of the invention；
Fig. 3 is six kinds of specific processing that the AMF entity provided in one embodiment of the invention is handled according to information on services
The schematic diagram of mode；
Fig. 4 is a kind of functional block diagram of the network equipment provided in one embodiment of the invention；
Fig. 5 is a kind of another structural block diagram of the network equipment provided in one embodiment of the invention；
Fig. 6 is a kind of another functional block diagram of the network equipment provided in one embodiment of the invention；
Fig. 7 is a kind of another structural block diagram of the network equipment provided in one embodiment of the invention.
Specific embodiment
The present invention provides a kind of method for processing business and the network equipment, to solve in the prior art when SMF entity occurs
The technical issues of use and the wasting of resources of influence user terminal caused by when state change.
In order to solve the above-mentioned technical problem, general thought of the present invention is as follows:
Access and mobile management network element can store network element to the network function in communication system first and send subscription session
The request of the information on services of managed network element, the information on services include service list and/or service state, the session management net
Service interaction is carried out with the access and mobile management network element in first multiple session management network elements in the communication system
Session management network element, when the information on services of session management network element changes, it is described access and mobile management network element then
It can be stored in network element from the network function and receive the information on services, thus according to information on services control and the meeting
The session or re-establish and institute that the terminal device of words managed network element connection and base station release are established with the session management network element
The session of session management network element is stated, in this way, access and mobile management network element being capable of the timely clothes that must obtain session management network element
Business information, so that access and mobile management network element can be in time to corresponding after the state of session management network element changes
Session handled, for example, releasing session or re-establishing session etc., improve the use feeling of user terminal and can reduce
Waste to interface-free resources.
In order to be better understood by above-mentioned technical proposal, below by attached drawing and specific embodiment to technical solution of the present invention
It is described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment are to technical solution of the present invention
Detailed description, rather than the restriction to technical solution of the present invention, in the absence of conflict, the embodiment of the present invention and implementation
Technical characteristic in example can be combined with each other.
Method for processing business provided in an embodiment of the present invention can be applied in service framework as shown in Figure 1, below
Each functional entity of the service framework is introduced.
Radio Access Network (Radio Access Network, RAN): RAN passes through interface in the user plane N3 and user face function
Energy (User Plane function, UPF) entity is connected, for transmitting the number of user equipment (User Equipment, UE)
According to；RAN establishes control plane signaling connection by control plane interface N2 and AMF entity, for realizing radio access bearer control etc.
Function.
AMF entity: the certification of terminal device, the mobile management of terminal device, the function such as SMF entity selection are mainly responsible for
Energy；As N1 and N2 signaling connection anchor point and for SMF entity provide N1 and N2 session management (Session Management,
SM) the routing of message；The status information of maintenance and management terminal device.AMF entity externally provides the interface of Namf serviceization,
Being identified in Fig. 1 by Namf indicates.
SMF entity: session management, foundation, modification and release including session, the distribution of the IP address of UE and pipe are used for
The selection and control of reason, UPF entity, and user plane functions configuration traffic steering strategy is routed data with realizing
To suitable destination.SMF entity is supported and the interaction of policy control functions (Policy Control Function, PCF),
Support policy executes and the control function of service quality (Quality of Service, QoS), the termination function of SM NAS message
Can, it generates and nets related N2SM message with access, and access net is transmitted the message to by AMF, determine the meeting of UE session connection
Words and business continuity sexual norm and the function etc. of supporting roaming.SMF entity externally provides the interface of Nsmf serviceization, in Fig. 1
In pass through Nsmf mark indicate.
UPF entity: being connect by N4 interface with SMF entity, is the mobile anchor point of Intra-RAT, is responsible for terminal device
Data message filtering, data transmission or forwarding, rate control, generation charge information etc..
Network function storage function (Network Function Repository Function, NRF) entity: it is used for industry
Business discovery receives NEF discovery request from network function (Network Function, NEF) entity, and provides hair to NEF entity
The information of existing NEF entity.NRF entity externally provides the interface of Nnrf serviceization, and being identified in Fig. 1 by Nnrf indicates.NEF
Entity externally provides the interface of Nnef serviceization, and being identified in Fig. 1 by Nnef indicates.
PCF entity: for generating and storing the relevant policy control of session management and charging (Policy Control and
Charging, PCC) rule and be supplied to SMF entity, be also used to generate the relevant policy information of mobile management and be supplied to
AMF entity.PCF entity externally provides the interface of Npcf serviceization, and being identified in Fig. 1 by Npcf indicates.
Data network (Data Network, DN): being connect by N6 interface with UPF entity, needs to be sent to for generating
The upstream data that the downlink data and receiving terminal apparatus of terminal device are sent.
Authentication server functions (Authentication Server Function, AUSF) entity: for obtaining safety
Ciphering Key, the safety certification vector is for executing safety certification between UE and network.AUSF entity externally provides Nausf clothes
The interface of businessization, being identified in Fig. 1 by Nausf indicates.
User data management (User Data Management, UDM) entity: for storing the relevant signing letter of user
Breath, and provide signing relevant parameter information for corresponding entity.UDM entity externally provides the interface of Nudm serviceization, in Fig. 1
In pass through Nudm mark indicate.
Application function (Application function, AF) entity: for externally providing the interface of Naf serviceization,
Being identified in Fig. 1 by Naf indicates.
Next, referring to FIG. 2, be a kind of flow chart of method for processing business provided in an embodiment of the present invention, it is described to connect
Entering with mobile management network element to be the AMF entity in framework shown in FIG. 1, and the network function storage network element can be figure
NRF entity in 1, the session management network element can may be sent out with the evolution of network certainly for the SMF entity in Fig. 1
Changing, said network element may be other titles, not be restricted in embodiments of the present invention to the specific name of network element.Under
During the introduction in face, it is illustrated for applying in framework shown in Fig. 1 in this way.The described method includes:
NRF entity of the step 201:AMF entity into communication system sends the request for subscribing to the information on services of SMF entity；
Wherein, the information on services includes service list and/or service state, and the SMF entity is multiple in the communication system
The SMF entity of service interaction is carried out in SMF entity with the AMF entity.
In framework shown in Fig. 1, each functional entity, such as AMF entity, SMF entity, AF entity etc. to NRF all by infusing
Volume service, issues the service function of offer.Then, the discovery service that each functional entity first uses NRF to provide, acquisition need to take
The functional entity of business, that is, the information of the API of the discovery service of the NRF functional entity for going acquisition to service is used by http protocol.
The SMF entity is exactly that AMF entity is arrived by the discovery service acquisition of NRF, the SMF entity can be one be also possible to it is more
It is a, if SMF entity be it is multiple, wherein the treatment process of each SMF entity is all the same, therefore, in embodiments of the present invention only
It is one with the SMF entity to be illustrated.After the information that AMF obtains the SMF entity, then the pre- SMF entity carries out business friendship
Mutually, it if AMF entity did not subscribe to the service state and service list of SMF entity to NRF entity, is initiated to NRF entity
It subscribes to, subscribes to the service operation state and service list of the SMF entity.
Step 202:NRF entity receives asking for the information on services for the subscription SMF entity that the AMF entity in communication system is sent
It asks, is based on the request, Xiang Suoshu AMF entity sends the information on services.
In the specific implementation process, NRF entity can send the SMF entity to AMF entity according to certain time interval
Information on services, for example, NRF entity sent an information on services to AMF entity at interval of five minutes, i.e., regardless of at this five minutes
Whether the information on services of interior SMF entity changes, and NRF entity can all send service information to AMF entity, and when the SMF is real
When the information on services that the information on services of body and last time send does not change, the process that this time sends service information then wastes NRF
Resource between entity and AMF entity, therefore, in order to save resource, in embodiments of the present invention, before executing step 202,
The method also includes:
The NRF entity determines that the service list of the SMF entity and/or service state change.
In this way, NRF entity can be after the information on services of the SMF entity changes, for example, the service of SMF entity arranges
Table change perhaps SMF entity partial function break down or SMF entity because the reason of arranging service hold
Change of variable etc., at this point, NRF entity just sends the information on services of the SMF entity to AMF entity.Broken down due to SMF entity or
Whether person restores normal state change and service list variation may directly result in and can by the session that the SMF entity is established
Enough to use, therefore, NRF entity can notify AMF after above-mentioned variation occurs for SMF entity in time.
Certainly, the information on services of SMF entity is possible to because the factors such as unstable networks, cause its information on services to become
The frequency of change is very fast, thus cause NRF entity needs continually send service information to AMF entity, cause increase NRF entity with
And the load of AMF entity.In consideration of it, can also send to NRF entity should after the information on services of SMF entity changes
A guard time interval is arranged in the process of information on services.For example, the service list when the SMF entity changes, then NRF is real
Time between at the time of body also needs judgement to change and at the time of the NRF entity last time sends service information to AMF entity
Whether interval is more than or equal to preset guard time interval, which can be 5S or 10S etc..If not reaching
Guard time interval, then NRF entity does not send the service list of the variation then to AMF entity, continues waiting for, when NRF entity is sentenced
It is disconnected reached the guard time interval after, then NRF entity moreover the service list information of the variation is sent to AMF entity.
Further, in embodiments of the present invention, the service state includes the capacity status of the session management network element, step
Rapid 202 can also include the following steps:
The NRF entity determines whether the variable quantity of the capacity status reaches preset threshold and/or the NRF entity exists
It is default whether the time interval between at the time of current time and last time send the information on services to the AMF entity meets
Duration；
When to be, the NRF entity sends the information on services to the AMF entity.
It in the specific implementation process, can be by SMF reality in order to avoid NRF entity frequently sends service information to AMF entity
The variation of the capacity status of body is divided into different stepping ranks, and NRF entity is recorded using guard time intervalometer
The interval to send service information every time.
Specifically, when NRF entity judges that the variable quantity of the capacity status of SMF entity causes stepping rank to change simultaneously
And guard time intervalometer time-out, at this point, NRF entity just sends corresponding information on services to AMF entity.When NRF entity
Variation of the variable quantity without result in stepping rank for judging the capacity status of SMF entity does not need notice AMF entity then.Work as NRF
Entity judges that the variable quantity of the capacity status of SMF entity leads to the variation of stepping rank, but guard time intervalometer does not surpass
When, then protection interval timer expiry is waited, after guard time intervalometer time-out, then checks current time SMF entity
Capacity status variable quantity whether from last time send stepping rank it is different, if difference if notify AMF entity, otherwise do not locate
Reason.
Step 203: the AMF entity receives the information on services from the NRF entity, to pass through the information on services
Control the session of the terminal device that connect with the SMF entity and base station release and SMF entity foundation or re-establish and
The session of the SMF entity.
After AMF entity receives the information on services of the SMF entity sent by NRF entity, AMF is then according to the information on services
It determines the need for carrying out respective handling to the session that the SMF entity is established.In embodiments of the present invention, following six be may include
The specific processing mode of kind, referring to FIG. 3, being the schematic diagram of this six kinds specific processing modes.AMF entity can be according to practical feelings
Condition is at a time handled using any one in this six kinds specific processing modes.
The first processing mode, the information on services include the service list, and after step 203, the method is also
Include:
The AMF entity according to the service list, update stored in the AMF entity it is corresponding with the SMF entity
Original service list.
In the specific implementation process, after AMF entity knows that the service list of SMF entity changes, then AMF entity is vertical
The service list of the SMF entity stored in storage unit is updated, the service column of the discarded SMF entity not used
Table.
Second of processing mode, the information on services include the service state, and after step 203, the method is also
Include:
The AMF entity determines that the service state characterizes the session management network element and volume change occurs；Wherein, described
Volume change is that capacity increases or capacity is reduced；
The service status flag of the SMF entity is the state that volume change occurs by the AMF entity, and described in adjustment
The selection weighted value of SMF entity；Wherein, the size of the selection weighted value and terminal device are in access from the multiple SMF
Select the probability of the SMF entity directly proportional in entity.
In embodiments of the present invention, the selection weighted value of the adjustment SMF entity, comprising:
When the volume change is that the capacity increases, the AMF entity promotes the weighted value of the SMF entity, described
When volume change is that the capacity is reduced, the AMF entity reduces the weighted value of the SMF entity.
In the specific implementation process, when AMF entity knows that the capacity of SMF reduces, which specifically be can be by industry
It is also possible to as caused by SMF partial fault caused by business layout, this is not restricted.Then, AMF entity is then to SMF reality
Body is marked, and reduces the SMF entity weighted value, and when accessing selection SMF entity slice for subsequent user equipment, selection should
The probability of SMF entity reduces.
When AMF knows that the capacity of SMF increases, then the SMF entity is marked in AMF entity, promotes the SMF weighted value,
The probability of the SMF is selected to be promoted when accessing selection SMF slice for subsequent user.
The third processing mode, the information on services include the service state, and after step 203, the method is also
Include:
The AMF entity determines that the service state characterizes the SMF entity and breaks down；
The service status flag of the SMF entity is down state by the AMF entity, and by the SMF entity
Selection weighted value is set as value corresponding with down state.
In this way, the SMF entity just will not be selected when subsequent user equipment accesses selection SMF entity slice
4th kind of processing mode, after step 203, the method also includes:
The AMF entity determines that the service state characterizes the SMF entity and breaks down；
The service status flag of the SMF entity is down state by the AMF entity, and by the SMF entity
Selection weighted value is set as value corresponding with down state；
The AMF entity determines that the service state of N number of SMF entity corresponding with target terminal equipment is to break down
State；Wherein, the target terminal equipment is the terminal device connecting with the SMF entity, and N is positive integer；
The AMF entity initiates to go registration process to the terminal device to base station；
The AMF entity notifies the base station to discharge the N2 connection between the AMF entity and release and the end
The context of end equipment.
In the specific implementation process, when AMF entity knows that SMF entity breaks down, label corresponds to the service shape of SMF entity
State be it is unavailable, select weight be minimum or with unavailable corresponding value, such as 0.Then, AMF entity judges: if with
SMF entity foundation has all service SMF entities of some UE of session all to break down, then AMF entity initiation reason is
Re-register goes registration process, and discharges and connect with the N2 of the SMF entity.
5th kind of processing mode, after step 203, the method also includes:
The AMF entity determines that the service state characterizes the SMF entity and breaks down；
The service status flag of the SMF entity is down state by the AMF entity, and by the SMF entity
Selection weighted value is set as value corresponding with down state；
The AMF entity determines the service state of M SMF entity in N number of SMF entity corresponding with target terminal equipment
For the state to break down；Wherein, the target terminal equipment is the terminal device connecting with the SMF entity, and N, M are positive whole
Number, M are less than N；
The AMF entity according to the strategy prestored, initiate the session to the terminal device and discharge process by true directional base station；
Wherein, session of the session between the terminal device and the part SMF entity.
In the specific implementation process, when AMF entity knows that SMF entity breaks down, label corresponds to the service shape of SMF entity
State be it is unavailable, select weight be minimum or with unavailable corresponding value, such as 0.Then, AMF entity judges: if with
The SMF entity establishes some SMF entity in all service SMF entities for having some UE of session and breaks down, then
AMF entity sends session release command (Session release for the session of failure according to the strategy being locally configured
Command UE) is given, triggering respective session discharges process.
6th kind of processing mode, after step 203, the method also includes:
The AMF entity determines that the service state characterizes the SMF entity and breaks down；
The service status flag of the SMF entity is down state by the AMF entity, and by the SMF entity
Selection weighted value is set as value corresponding with down state；
The AMF entity determines the service state of M SMF entity in N number of SMF entity corresponding with target terminal equipment
For the state to break down；Wherein, the target terminal equipment is the terminal device connecting with the SMF entity, and N, M are positive whole
Number, M are less than N；
The AMF entity found the session rebuilding of the terminal device according to the strategy prestored, true directional base station initiation
Journey；Wherein, session of the session between the terminal device and the part SMF entity.
In the specific implementation process, when AMF entity knows that SMF entity breaks down, label corresponds to the service shape of SMF entity
State be it is unavailable, select weight be minimum or with unavailable corresponding value, such as 0.Then, AMF entity judges: if with
The SMF entity establishes some SMF entity in all service SMF entities for having some UE of session and breaks down, then
AMF entity is according to the strategy being locally configured, and for the session of failure, triggering session re-establishes order (Session re-
Establish command) UE is given, and then triggering session re-establishes process.
Through the above technical solutions, when the information on services of session management network element changes, the access and mobility
Managed network element can then be stored in network element from the network function and receive the information on services, thus according to the information on services control
Make the session or again of the terminal device that connect with the session management network element and base station release and session management network element foundation
The new session established with the session management network element, in this way, access and mobile management network element timely can must obtain session pipe
The information on services for managing network element, so that access and mobile management network element can after the state of session management network element changes
Corresponding session is handled in time, for example, releasing session or re-establishing session etc., improves the use feeling of user terminal
And waste to interface-free resources can be reduced.
Second aspect of the present invention provides a kind of network equipment, and the network equipment can be fourth generation mobile communication technology
(4th Generation, 4G) network or the 5th third-generation mobile communication technology (5th generation, 5G) network etc. are mobile logical
Access and mobile management network element in letter system, such as can be AMF entity, naturally it is also possible to it is that other can be realized the net
The entity of meta function.It please refers to shown in Fig. 4, is a kind of structural schematic diagram of the network equipment provided in an embodiment of the present invention, it is described
The network equipment includes:
Sending module 401 sends for the network function storage network element into communication system and subscribes to session management network element
The request of information on services；Wherein, the information on services includes service list and/or service state, and the session management network element is
The meeting of service interaction is carried out in multiple session management network elements in the communication system with the access and mobile management network element
Talk about managed network element；
Receiving module 402, for receiving the information on services from network function storage network element, to pass through the clothes
What the terminal device and base station release that business information control is connect with the session management network element were established with the session management network element
Session re-establishes session with the session management network element.
Since the network equipment that second aspect of the present invention provides is in the business processing side provided with first aspect present invention
It is proposed under the same idea of method, therefore by access and mobile management in the method for processing business in earlier figures 2-3 embodiment
Various change mode and specific embodiment that network element executes are equally applicable to the network equipment of the present embodiment, by aforementioned to business
The detailed description of processing method, those skilled in the art are clear that the implementation process of the network equipment in the present embodiment,
So this will not be detailed here in order to illustrate the succinct of book.
Third aspect present invention provides a kind of network equipment, and the network equipment can be fourth generation mobile communication technology
(4th Generation, 4G) network or the 5th third-generation mobile communication technology (5th generation, 5G) network etc. are mobile logical
Access and mobile management network element in letter system, such as can be AMF entity, naturally it is also possible to it is that other can be realized the net
The entity of meta function.It please refers to shown in Fig. 5, is the structure chart of the network equipment provided in an embodiment of the present invention.As shown in figure 5, institute
Stating the network equipment includes transmitter 501, receiver 502 and processor 503, in which:
Network function storage network element hair of the transmitter 501 under the control of the processor 503 into communication system
Send the request for subscribing to the information on services of session management network element；Wherein, the information on services includes service list and/or service shape
State, the session management network element be the communication system in multiple session management network elements in the access and mobile management
The session management network element of network element progress service interaction；
The receiver 502 receives the information on services from network function storage network element, so that the processor
The terminal device and base station release that are connect by information on services control with the session management network element and the session management
The session or re-establish session with the session management network element that network element is established.
Optionally, processor 503 specifically can be central processing unit, application-specific integrated circuit (English:
Application Specific Integrated Circuit, referred to as: ASIC), it can be one or more for controlling journey
The integrated circuit that sequence executes can be use site programmable gate array (English: Field Programmable Gate
Array, referred to as: FPGA) exploitation hardware circuit, can be baseband processor.
Optionally, processor 503 may include at least one processing core.
Optionally, electronic equipment further includes memory, and memory may include read-only memory (English: Read Only
Memory, referred to as: ROM), random access memory (English: Random Access Memory, referred to as: RAM) and disk storage
Device.Memory data required when being run for storage processor 503.The quantity of memory is one or more.
Since the network equipment that third aspect present invention provides is in the business processing side provided with first aspect present invention
It is proposed under the same idea of method, therefore by access and mobile management in the method for processing business in earlier figures 2-3 embodiment
Various change mode and specific embodiment that network element executes are equally applicable to the network equipment of the present embodiment, by aforementioned to business
The detailed description of processing method, those skilled in the art are clear that the implementation process of the network equipment in the present embodiment,
So this will not be detailed here in order to illustrate the succinct of book.
Fourth aspect present invention provides a kind of network equipment, and the network equipment can be fourth generation mobile communication technology
(4th Generation, 4G) network or the 5th third-generation mobile communication technology (5th generation, 5G) network etc. are mobile logical
Session management network element in letter system, such as can be SMF entity, naturally it is also possible to it is that other can be realized the Network Element Function
Entity.It please refers to shown in Fig. 6, is a kind of structural schematic diagram of the network equipment provided in an embodiment of the present invention, the network equipment
Include:
Receiving module 601, for receiving the subscription session pipe of access and mobile management network element transmission in communication system
Manage the request of the information on services of network element；Wherein, the information on services includes service list and/or service state, the session pipe
Network element is managed to carry out business with the access and mobile management network element in multiple session management network elements in the communication system
Interactive session management network element；
Sending module 602 sends the service letter to the access and mobile management network element for being based on the request
Breath.
Since the network equipment that fourth aspect present invention provides is in the business processing side provided with first aspect present invention
It proposes under the same idea of method, therefore is executed in the method for processing business in earlier figures 2-3 embodiment by session management network element
Various change mode and specific embodiment be equally applicable to the network equipment of the present embodiment, by aforementioned to method for processing business
Detailed description, those skilled in the art are clear that the implementation process of the network equipment in the present embodiment, thus in order to
Specification it is succinct, this will not be detailed here.
Fifth aspect present invention provides a kind of network equipment, and the network equipment can be fourth generation mobile communication technology
(4th Generation, 4G) network or the 5th third-generation mobile communication technology (5th generation, 5G) network etc. are mobile logical
Session management network element in letter system, such as can be SMF entity, naturally it is also possible to it is that other can be realized the Network Element Function
Entity.It please refers to shown in Fig. 7, is the structure chart of the network equipment provided in an embodiment of the present invention.As shown in fig. 7, the network is set
Standby includes transmitter 701, receiver 702 and processor 703, in which:
The receiver 702 receives the subscription session management net of access and mobile management network element transmission in communication system
The request of the information on services of member；Wherein, the information on services includes service list and/or service state, the session management net
Service interaction is carried out with the access and mobile management network element in first multiple session management network elements in the communication system
Session management network element；
The processor 703 is based on the request, determines to the access and mobile management network element and sends the service
Information, and the information on services is sent to the access and mobile management network element by the transmitter 701.
Optionally, processor 703 specifically can be central processing unit, application-specific integrated circuit (English:
Application Specific Integrated Circuit, referred to as: ASIC), it can be one or more for controlling journey
The integrated circuit that sequence executes can be use site programmable gate array (English: Field Programmable Gate
Array, referred to as: FPGA) exploitation hardware circuit, can be baseband processor.
Optionally, processor 703 may include at least one processing core.
Optionally, electronic equipment further includes memory, and memory may include read-only memory (English: Read Only
Memory, referred to as: ROM), random access memory (English: Random Access Memory, referred to as: RAM) and disk storage
Device.Memory data required when being run for storage processor 703.The quantity of memory is one or more.
Since the network equipment that fifth aspect present invention provides is in the business processing side provided with first aspect present invention
It proposes under the same idea of method, therefore is executed in the method for processing business in earlier figures 2-3 embodiment by session management network element
Various change mode and specific embodiment be equally applicable to the network equipment of the present embodiment, by aforementioned to method for processing business
Detailed description, those skilled in the art are clear that the implementation process of the network equipment in the present embodiment, thus in order to
Specification it is succinct, this will not be detailed here.
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 shape for the computer program product implemented in usable storage medium (including but not limited to magnetic disk storage and optical memory etc.)
Formula.
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.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (22)
1. a kind of method for processing business, which is characterized in that the described method includes:
The network function storage network element of access and mobile management network element into communication system, which is sent, subscribes to session management network element
The request of information on services；Wherein, the information on services includes service list and/or service state, and the session management network element is
The meeting of service interaction is carried out in multiple session management network elements in the communication system with the access and mobile management network element
Talk about managed network element；
The access and mobile management network element receive the information on services from network function storage network element, to pass through
It states the information on services terminal device that connect with the session management network element of control and base station discharges and builds with the session management network element
Vertical session re-establishes session with the session management network element.
2. the method as described in claim 1, which is characterized in that the information on services includes the service list, is connect described
Enter with mobile management network element after receiving the information on services in network function storage network element, the method is also wrapped
It includes:
The access and mobile management network element are updated and are deposited in the access and mobile management network element according to the service list
The original service list corresponding with the session management network element of storage.
3. method according to claim 1 or 2, which is characterized in that the information on services includes the service state, described
After receiving the information on services in network function storage network element, the method is also wrapped for access and mobile management network element
It includes:
The access and mobile management network element determine that the service state characterizes the session management network element and volume change occurs；
Wherein, the volume change is that capacity increases or capacity is reduced；
The service status flag of the session management network element is that volume change occurs by the access and mobile management network element
State, and adjust the selection weighted value of the session management network element；Wherein, the size of the selection weighted value and terminal device exist
Select the probability of the session management network element directly proportional from the multiple session management network element when access.
4. method as claimed in claim 3, which is characterized in that the selection weighted value of the adjustment session management network element,
Include:
When the volume change is that the capacity increases, the access and mobile management network element promote the session management network element
Weighted value, when the volume change is that the capacity is reduced, the access and mobile management network element reduce the session pipe
Manage the weighted value of network element.
5. method according to claim 1 or 2, which is characterized in that the information on services includes the service state, described
After receiving the information on services in network function storage network element, the method is also wrapped for access and mobile management network element
It includes:
The access and mobile management network element determine that the service state characterizes the session management network element and breaks down；
The service status flag of the session management network element is down state by the access and mobile management network element, and will
The selection weighted value of the session management network element is set as value corresponding with down state.
6. method as claimed in claim 5, which is characterized in that the method also includes:
The access and mobile management network element determine the service state of N number of session management network element corresponding with target terminal equipment
It is the state to break down；Wherein, the target terminal equipment is the terminal device connecting with the session management network element, N
For positive integer；
The access and mobile management network element initiate to go registration process to the terminal device to base station；
The access and mobile management network element notify the base station to discharge between the access and mobile management network element
The context of N2 connection and release and the terminal device.
7. method as claimed in claim 5, which is characterized in that the method also includes:
The access and mobile management network element determine M meeting in N number of session management network element corresponding with target terminal equipment
The service state for talking about managed network element is the state to break down；Wherein, the target terminal equipment is and the session management net
The terminal device of member connection, N, M are positive integer, and M is less than N；
According to the strategy prestored, true directional base station initiates the session to the terminal device for the access and mobile management network element
Release process；Wherein, session of the session between the terminal device and the partial session managed network element.
8. method as claimed in claim 5, which is characterized in that the method also includes:
The access and mobile management network element determine M meeting in N number of session management network element corresponding with target terminal equipment
The service state for talking about managed network element is the state to break down；Wherein, the target terminal equipment is and the session management net
The terminal device of member connection, N, M are positive integer, and M is less than N；
According to the strategy prestored, true directional base station initiates the session to the terminal device for the access and mobile management network element
Re-establish process；Wherein, session of the session between the terminal device and the partial session managed network element.
9. a kind of method for processing business, which is characterized in that the described method includes:
Network function stores the subscription session management net of access and mobile management network element transmission that network element receives in communication system
The request of the information on services of member；Wherein, the information on services includes service list and/or service state, the session management net
Service interaction is carried out with the access and mobile management network element in first multiple session management network elements in the communication system
Session management network element；
The network function storage network element is based on the request, sends the service letter to the access and mobile management network element
Breath.
10. method as claimed in claim 9, which is characterized in that store network element to the access and shifting in the network function
Before mobility management network element sends the information on services, the method also includes:
The network function storage network element determines that the service list of the session management network element and/or service state change.
11. method as claimed in claim 10, which is characterized in that the service state includes the appearance of the session management network element
Amount state, the network function store network element and send the information on services to the access and mobile management network element, comprising:
The network function storage network element determines whether the variable quantity of the capacity status reaches preset threshold and/or the network
Function store network element current time and it is upper once to it is described access and mobile management network element send the information on services when
Whether the time interval between quarter meets preset duration；
When to be, the network function stores network element and sends the information on services to the access and mobile management network element.
12. a kind of network equipment characterized by comprising
Sending module sends the information on services for subscribing to session management network element for the network function storage network element into communication system
Request；Wherein, the information on services includes service list and/or service state, and the session management network element is the communication
The session management net of service interaction is carried out in multiple session management network elements in system with the access and mobile management network element
Member；
Receiving module, for receiving the information on services from network function storage network element, to pass through the information on services
Control the terminal device that connect with the session management network element and base station release and session management network element foundation session or
Re-establish the session with the session management network element.
13. the network equipment as claimed in claim 12, which is characterized in that the information on services includes the service list, institute
Stating the network equipment further includes update module, and the update module is specifically used for:
According to the service list, update storing with the session management network element pair in the access and mobile management network element
The original service list answered.
14. the network equipment as described in claim 12 or 13, which is characterized in that the information on services includes the service shape
State, the network equipment further include adjustment module, and the adjustment module is specifically used for:
Determine that the service state characterizes the session management network element and volume change occurs；Wherein, the volume change is capacity
Increase or capacity is reduced；
Service status flag by the session management network element is the state that volume change occurs, and adjusts the session management net
The selection weighted value of member；Wherein, the size of the selection weighted value and terminal device are in access from the multiple session management
Select the probability of the session management network element directly proportional in network element.
15. the network equipment as claimed in claim 14, which is characterized in that the adjustment module is specifically used for:
When the volume change is that the capacity increases, the weighted value of the session management network element is promoted, the volume change is
When the capacity is reduced, the weighted value of the session management network element is reduced.
16. the network equipment as described in claim 12 or 13, which is characterized in that the information on services includes the service shape
State, the network equipment further include setup module, and the setup module is used for:
Determine that the service state characterizes the session management network element and breaks down；
It is down state by the service status flag of the session management network element, and by the right to choose of the session management network element
Weight values are set as value corresponding with down state.
17. the network equipment as claimed in claim 16, which is characterized in that the setup module is also used to:
The service state for determining N number of session management network element corresponding with target terminal equipment is the state to break down；Wherein,
The target terminal equipment is the terminal device connecting with the session management network element, and N is positive integer；
It initiates to go registration process to the terminal device to base station；
The base station is notified to discharge the N2 connection between the access and mobile management network element and release and the terminal
The context of equipment.
18. the network equipment as claimed in claim 16, which is characterized in that the network equipment further includes the first determining module,
First determining module is used for:
The service state for determining M session management network element in N number of session management network element corresponding with target terminal equipment is hair
The state of raw failure；Wherein, the target terminal equipment is the terminal device connecting with the session management network element, and N, M are positive
Integer, M are less than N；
According to the strategy prestored, true directional base station initiates the session to the terminal device and discharges process；Wherein, the session is
Session between the terminal device and the partial session managed network element.
19. the network equipment as claimed in claim 16, which is characterized in that the network equipment further includes the second determining module,
Second determining module is used for:
The service state for determining M session management network element in N number of session management network element corresponding with target terminal equipment is hair
The state of raw failure；Wherein, the target terminal equipment is the terminal device connecting with the session management network element, and N, M are positive
Integer, M are less than N；
According to the strategy prestored, true directional base station initiates to found process to the session rebuilding of the terminal device；Wherein, the session
For the session between the terminal device and the partial session managed network element.
20. a kind of network equipment characterized by comprising
Receiving module, for receiving access in communication system and subscription session management network element that mobile management network element is sent
The request of information on services；Wherein, the information on services includes service list and/or service state, and the session management network element is
The meeting of service interaction is carried out in multiple session management network elements in the communication system with the access and mobile management network element
Talk about managed network element；
Sending module sends the information on services to the access and mobile management network element for being based on the request.
21. the network equipment as claimed in claim 20, which is characterized in that the network equipment further includes determining module, described
Determining module is specifically used for:
The service list and/or service state for determining the session management network element change.
22. the network equipment as claimed in claim 21, which is characterized in that the service state includes the session management network element
Capacity status, the sending module is specifically used for:
Determine whether the variable quantity of the capacity status reaches preset threshold and/or the network function storage network element when current
Whether the time interval between at the time of quarter and last time send the information on services to the access and mobile management network element
Meet preset duration；
When to be, the information on services is sent to the access and mobile management network element.
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