CN108289306A - A kind of flow conflict processing method and device - Google Patents
A kind of flow conflict processing method and device Download PDFInfo
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- CN108289306A CN108289306A CN201710018520.9A CN201710018520A CN108289306A CN 108289306 A CN108289306 A CN 108289306A CN 201710018520 A CN201710018520 A CN 201710018520A CN 108289306 A CN108289306 A CN 108289306A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
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Abstract
The invention discloses a kind of flow conflict processing method and device, the method includes：When common subscriber database CUDB entities receive reading user data requests message, the local processing instance identification for whether storing user is judged；If the processing instance identification of user is locally stored, and the processing instance identification of the user stored and the processing instance identification of the user in the reading user data requests message are inconsistent, then the CUDB entities determine that there are flow conflicts；When the CUDB entities return to reading user data response message, the processing instance identification of the user preserved in carrying instruction there are the information of flow conflict and the CUDB entities in the reading user data response message.
Description
Technical field
The present invention relates to mobile communication field more particularly to a kind of flow conflict processing methods and device.
Background technology
Mobile communication has evolved to the 4G stages at present.The network architecture of 4G is compared with earlier generations, is mainly characterized by being based on
Full IP transmission.Fig. 1 is a kind of 4G network architectures, and the function of each network element is as follows in the 4G network architectures：
Terminal (UE, User Equipment) mainly accesses 4G networks by radio open and is serviced, and terminal passes through
It eats dishes without rice or wine and base station interactive information, passes through the mobility pipe of Non-Access Stratum signaling (NAS, Non-Access Stratum) and core net
Manage entity (MME, Mobility Management Entity) interactive information.
Interface-free resources scheduling and and the sky of accessing terminal to network are responsible in base station (RAN, Radio Access Network)
The connection management of mouth.
Mobile management entity：Core network control surface entity is mainly responsible for the authentication to user, mandate and signing and checks,
To ensure that user is validated user；User mobility management, including location registration and temporary identifier distribution；It safeguards idle (IDLE)
With connection (CONNECT) state and state transition；Switching under CONNECT states；Packet Data Network (PDN, Packet
Data network) connection and carrying the session managements such as maintenance, including establishment, modification and deletion function；User ID LE
The functions such as triggering paging under state.
Gateway (SGW, Serving GW)：Core network user face functional entity, is mainly responsible under roaming condition and PDN
The interaction of GW；Downlink data packet is received under user's IDLE state to cache and notify MME calling users；User plane across base station
Anchor point and across functions such as the ambulant user plane anchor points of 2G/3G/4G.
Packet data gateway (PDN GW, Packet Data network GW)：Core network user face functional entity is eventually
The access point into PDN networks is terminated, distributing user IP address is responsible for, the carrying of network-triggered is established, changes and deleted, also has
Service quality (QoS, Quality of Service) controls the functions such as charging, is user in 3GPP system and and non-3 gpp
The anchor point switched between system ensures business continuance to ensure that IP address is constant.
It is serviced because 4G is mainly people and people, the 5G epoch has been arrived, with the support communicated between object and object, to mobile network
The demand of network is more various, and mobile network will be more complicated.Functional unit and network function (NF, Network Function)
Stateless processing, can simplify 5G networks, flexibly meet the diverse requirements of mobile network.Network function is statelessly handled, and
Business processing and data separating are asked, and uses distributed structure/architecture, the same more examples of component.
Fig. 2 is a kind of 5G network architectures of business processing and data separating, and the function of each network element is as follows in the 5G network architectures：
Common subscriber database (CUDB, Centralized User Database)：At least store user's dynamic number
According to, such as mobile row managing context, session context, User Status.
Control plane function (CP, Control Plane)：Including mobile management function to ps domain (MM) and conversation management functional (SM)
Deng, be mainly responsible for the authentication to user, mandate and signing check, to ensure that user is validated user；User mobility management,
It is distributed including location registration and temporary identifier；Safeguard IDLE and CONNECT states and state transition；Under CONNECT states
Switching；The meetings such as the maintenance, including establishment, modification and deletion of protocol Data Unit (PDU, Protocol Data Unit) session
Talk about the function of management；The functions such as triggering paging under user's IDLE state.
User plane functions (UP, User Plane)：Core network user face functional entity is responsible for distributing user IP address, tool
There are the functions such as QoS control chargings.
After functional unit, pass through the modes layout component such as blueprint, network consisting function.Component in network function, can
To use distributed structure/architecture, the same more examples of component.The component for handling user's related signaling realizes that processing is used when statelessly handling
The more examples of component of the signaling at family, business processing are kept completely separate with data, receive the relevant signaling of user, the forwarding of network function
Module selects a component instance to be handled, and after component instance handles subscriber signaling message, user data is discharged.
Fig. 3 is the scene of a user PDU session establishment and switching conflict, and wherein CP may be by multiple network function groups
At each network function can be made of multiple components, and each component can be more examples.
Step 301, UE initiates session establishment request message to CP, and the forwarding module selection example 1 (CP1) in CP is handled should
Message.
Step 302, CP1 sends to CUDB and reads user data requests message, asks all data of the user.
Step 303, CUDB is returned to CP1 and is read user data response message, carries the data and status information of user.
Step 304, CP1 establishes user plane request message to UP transmissions.
Step 305, UP returns establish user plane response message to CP1.
Step 306, CP1 sends wireless tunnel to source wireless access network (RAN) and establishes request message.
Step 307, RAN returns to wireless tunnel and establishes response message to CP1.
Step 308, CP1 sends update user plane request message to UP.
Step 309, source RAN determines to initiate switching, sends switching request message to CP, the forwarding module in CP selects example
2 (CP2) handle the message.
Step 310, CP2 sends to CUDB and reads user data requests message, asks all data of the user.
Step 311, CUDB is returned to CP2 and is read user data response message, carries the data and status information of user.
Step 312, CP2 does not obtain the information that user newly establishes session.
Step 313, CP2 sends switching request message to target RAN, and session information is carried in message.
Step 314, UP returns to update user plane response message to CP1.
Step 315, target RAN is because the session information that session information and core net in wireless transparent container issue differs
It causes, returns to switching and prepare failed message to CP2.
Step 316, CP2 returns to switch failure information to source RAN.
Step 317, CP1 returns to PDU session establishment response messages to UE.
Step 318, CP1 sends write-in user data requests message to CUDB, and the user data is written.
Step 319, CUDB returns to write-in user data response message to CP1.
Step 320, CP1 deletes local user's contextual information.
It can be seen that in PDU session establishment flows, if there is other flows of user again, difference may be chosen
Processing example, lead to unpredictable consequence, such as handover failure.
Invention content
In order to solve the above technical problems, an embodiment of the present invention provides a kind of flow conflict processing method and devices.
Flow conflict processing method provided in an embodiment of the present invention, including：
When CUDB entities receive reading user data requests message, the local processing example mark for whether storing user is judged
Know；
If the processing instance identification of user is locally stored, and the processing instance identification of the user stored and the reading
The processing instance identification of user in user data requests message is inconsistent, then the CUDB entities determine that there are flow conflicts；
When the CUDB entities return to reading user data response message, taken in the reading user data response message
With instruction, there are the processing instance identifications of the user preserved in the information of flow conflict and the CUDB entities.
In the embodiment of the present invention, the method further includes：
The CUDB entities receive the reading user data requests that network functional entity is sent using the first processing example
When message, the local processing instance identification for whether storing user is judged；
When processing instance identification of the local without storage user, the processing instance identification for described first being handled example is deposited
Storage is to local, the processing instance identification as the user.
In the embodiment of the present invention, the method further includes：
The CUDB entities receive the reading user data requests that network functional entity utilizes second processing example to send
When message, the local processing instance identification for whether storing user is judged；
If the processing instance identification of user is locally stored, and the processing instance identification of the user stored is described second
Handle the processing instance identification of example, it is determined that there are flow conflicts.
In the embodiment of the present invention, the method further includes：
When the CUDB entities receive write-in user data requests, by the processing instance identification for the user being locally stored
It deletes.
The flow conflict processing method that another embodiment of the present invention provides, including：
When network functional entity receives subscriber signaling, for subscriber signaling selection processing example and the user is believed
Order is transmitted to the processing example；
The processing example sends to CUDB entities and reads user data requests message, receives what the CUDB entities were sent
Read user data response message；
If carrying instruction in the reading user data response message there are the information of flow conflict, the processing is real
The subscriber signaling is transmitted to the corresponding processing example of processing instance identification of the user preserved in the CUDB entities by example.
In the embodiment of the present invention, the processing example is sent to CUDB entities reads user data requests message, including：
When processing example receives subscriber signaling, the data whether on present treatment example with user are judged；
If there is no the data of user on present treatment example, is sent to CUDB and read user data requests message.
In the embodiment of the present invention, the reading user data response message also carries the user preserved in the CUDB entities
Processing instance identification.
In the embodiment of the present invention, the network functional entity includes at least：Mobile management function to ps domain entity, session management work(
It can entity.
In the embodiment of the present invention, the processing example includes at least：The processing of any of mobile management function to ps domain entity
The example of the component of any of the example of the component of subscriber signaling, conversation management functional entity processing subscriber signaling.
Flow clash handle device provided in an embodiment of the present invention, including：
Judging unit when reading user data requests message for receiving, judges the local processing for whether storing user
Instance identification；
Decision package, if the processing instance identification for user to be locally stored, and the processing example of the user stored
It identifies inconsistent with the processing instance identification of the user in the reading user data requests message, it is determined that there are flow punchings
It is prominent；
Indicating unit, when reading user data response message for returning, in the reading user data response message
Carrying instruction, there are the processing instance identifications of the user preserved in the information of flow conflict and CUDB entities.
In the embodiment of the present invention, the judging unit is specifically used for：It is real using the first processing to receive network functional entity
When the reading user data requests message that example is sent, the local processing instance identification for whether storing user is judged；
Described device further includes：Storage unit is used for when processing instance identification of the local without storage user, will be described
The processing instance identification of first processing example is stored to local, the processing instance identification as the user.
In the embodiment of the present invention, the judging unit is specifically used for：It is real using second processing to receive network functional entity
When the reading user data requests message that example is sent, the local processing instance identification for whether storing user is judged；
The decision package, is specifically used for：If the processing instance identification of user is locally stored, and the user stored
Handle the processing instance identification that instance identification is the second processing example, it is determined that there are flow conflicts.
In the embodiment of the present invention, described device further includes：
Deleting unit, for when receive write-in user data requests when, by the processing example mark for the user being locally stored
Know and deletes.
The flow clash handle device that another embodiment of the present invention provides, including：
Retransmission unit, when for receiving subscriber signaling, for subscriber signaling selection processing example and by the user
Signaling is transmitted to the processing example；
Interactive unit reads user data requests message for being sent to CUDB entities by the processing example, receives
The reading user data response message that the CUDB entities are sent；
Clash handle unit, if there are flow conflicts for carrying instruction in the reading user data response message
Information, then the processing example subscriber signaling is transmitted to the processing instance identification of the user preserved in the CUDB entities
Corresponding processing example.
In the embodiment of the present invention, the interactive unit is specifically used for：When processing example receives subscriber signaling, judge
Whether there are the data of user on present treatment example；If there is no the data of user on present treatment example, sends and read to CUDB
Take user data request message.
In the embodiment of the present invention, the reading user data response message also carries the user preserved in the CUDB entities
Processing instance identification.
In the embodiment of the present invention, the network functional entity includes at least：Mobile management function to ps domain entity, session management work(
It can entity.
In the embodiment of the present invention, the processing example includes at least：The processing of any of mobile management function to ps domain entity
The example of the component of any of the example of the component of subscriber signaling, conversation management functional entity processing subscriber signaling.
It is the request message when network functional entity receives request message in the technical solution of the embodiment of the present invention
Selection processing example；The processing instance identification that user is obtained in CUDB entities is managed from uniform data using the processing example；
The processing example judges whether the processing instance identification of the user and local processing instance identification are consistent；When the place of user
When managing instance identification and inconsistent local processing instance identification, the request message is transmitted to and the processing of user reality
Example identifies corresponding processing example and is handled.Using the technical solution of the embodiment of the present invention, it is ensured that same user,
Synchronization, only there are one the signalings of the processing same user of instance processes can take suitable stream when operation flow conflicts
Journey clash handle strategy improves customer service experience.
Description of the drawings
Attached drawing generally shows each embodiment discussed herein by way of example and not limitation.
Fig. 1 is EPC network architecture diagrams；
Fig. 2 is a kind of 5G network architecture diagrams of business processing and data separating；
Fig. 3 is conflicted with the user PDU session establishments of the 5G network architectures of data separating and switching based on business processing
Scene graph；
Fig. 4 is the flow chart of the user PDU session establishments of the embodiment of the present invention and the scene of switching conflict；
Fig. 5 is the flow chart of the user PDU session establishments and location updating scene of the embodiment of the present invention；
Fig. 6 is the flow chart of the PDU session establishments of the network side triggering of the embodiment of the present invention and the scene of switching conflict；
Fig. 7 is the flow diagram one of the flow conflict processing method of the embodiment of the present invention；
Fig. 8 is the flow diagram two of the flow conflict processing method of the embodiment of the present invention；
Fig. 9 is the structure composition schematic diagram one of the flow clash handle device of the embodiment of the present invention；
Figure 10 is the structure composition schematic diagram two of the flow clash handle device of the embodiment of the present invention.
Specific implementation mode
The characteristics of in order to more fully hereinafter understand the embodiment of the present invention and technology contents, below in conjunction with the accompanying drawings to this hair
The realization of bright embodiment is described in detail, appended attached drawing purposes of discussion only for reference, is not used for limiting the embodiment of the present invention.
The network function statelessly handled, the same user might have multiple flows and be carried out at the same time, and multiple flows are not
It is handled on same processing example, causes processing example that can not detect this conflict, suitable processing strategy cannot be taken.
Based on this, the embodiment of the present invention proposes a kind of flow conflict processing method, increases a flow punching in CUDB
Prominent detection module, for detecting whether user has flow conflict.The processing example of the network function statelessly handled, receives user
Signaling, processing example (new processing example) to CUDB read user data when, if CUDB detects user, there are flows
When conflict, when returning to user data to processing example, network function flow conflict is indicated, and indicate old processing instance identification.
New processing example determines that, there are flow conflict, forwarding subscriber signaling to response message carries when receiving user data response
The corresponding processing example of old processing instance identification, i.e., same user, in synchronization, only there are one processing instance processes are same
The signaling of one user improves flow success so that processing example can take the tactful process flow conflict of suitable processing
Rate.
Fig. 7 is the flow diagram one of the flow conflict processing method of the embodiment of the present invention, as shown in fig. 7, the method
Including：
Step 701：When CUDB entities receive reading user data requests message, the local place for whether storing user is judged
Manage instance identification.
In the embodiment of the present invention, the method further includes：
The CUDB entities receive the reading user data requests that network functional entity is sent using the first processing example
When message, the local processing instance identification for whether storing user is judged；
When processing instance identification of the local without storage user, the processing instance identification for described first being handled example is deposited
Storage is to local, the processing instance identification as the user.
Step 702：If the processing instance identification of user is locally stored, and the processing instance identification of the user stored with
The processing instance identification for reading the user in user data requests message is inconsistent, then the CUDB entities, which determine, has stream
Journey conflict.
Specifically, the CUDB entities receive the reading number of users that network functional entity utilizes second processing example to send
When according to request message, the local processing instance identification for whether storing user is judged；
If the processing instance identification of user is locally stored, and the processing instance identification of the user stored is described second
Handle the processing instance identification of example, it is determined that there are flow conflicts.
Step 703：When the CUDB entities return to reading user data response message, responded in the reading user data
Instruction is carried in message, and there are the processing instance identifications of the user preserved in the information of flow conflict and the CUDB entities.
In the embodiment of the present invention, when the CUDB entities receive write-in user data requests, the use that will be locally stored
The processing instance identification at family is deleted.
In the technical solution of the embodiment of the present invention, increase a flow collision detection module in CUDB, is used for detecting
Whether family has flow conflict.To each user, CUDB can preserve the processing instance identification letter for handling the subscriber signaling
Breath.When CUDB receives the reading user data requests message of the user, if it find that there are no the processing for preserving user in CUDB
Instance identification information then preserves the processing instance identification for the processing example for sending request message.CUDB is receiving write-in number of users
When according to request message, the processing instance identification information of the user preserved in CUDB can be emptied.If having saved user in CUDB
Processing instance identification information, and have received the reading user data requests message of user, then do not preserve new reading number of users
According to the processing instance identification in request message.When CUDB receives reading user data requests message, if it find that having saved use
The processing instance identification at family, and the processing instance identification of the user preserved and the use in the reading user data requests message that receives
The processing instance identification at family is inconsistent, then CUDB determines user there are flow conflict, disappears in the reading user data response of return
In breath, carrying instruction, there are the information of flow conflict, and carry the processing instance identification information of the user preserved in CUDB.
Fig. 8 is the flow diagram two of the flow conflict processing method of the embodiment of the present invention, as shown in figure 8, the method
Including：
Step 801：When network functional entity receives subscriber signaling, processing example is selected for the subscriber signaling and by institute
It states subscriber signaling and is transmitted to the processing example.
Step 802：The processing example sends to CUDB entities and reads user data requests message, and it is real to receive the CUDB
The reading user data response message that body is sent.
Specifically, when processing example receives subscriber signaling, judge the data whether on present treatment example with user；
If there is no the data of user on present treatment example, is sent to CUDB and read user data requests message.
In the embodiment of the present invention, the reading user data response message also carries the user preserved in the CUDB entities
Processing instance identification.
Step 803：If carrying instruction in the reading user data response message, there are the information of flow conflict, institutes
State the corresponding place of processing instance identification that the subscriber signaling is transmitted to the user preserved in the CUDB entities by processing example
Manage example.
In the embodiment of the present invention, the network functional entity includes at least：Mobile management function to ps domain entity, session management work(
It can entity.In addition, the network functional entity of subscriber signaling can be handled by further including other.
In the embodiment of the present invention, the processing example includes at least：The processing of any of mobile management function to ps domain entity
The example of the component of any of the example of the component of subscriber signaling, conversation management functional entity processing subscriber signaling.In addition,
The example that any of network functional entity of subscriber signaling handles the component of subscriber signaling can be handled by further including other.
In the technical solution of the embodiment of the present invention, the network function statelessly handled receives the signaling of user, network function
Forwarding module subscriber signaling is transmitted to the processing example of user, there are flow conflicts in the instruction for receiving CUDB for processing example
Information after, the instance processes for subscriber signaling being transmitted to the user preserved in CUDB identify corresponding processing example.User's
Example is handled, the signaling of user is had received, when not having the data of the user on present treatment example, is sent to CUDB and reads user
Data request information.When the processing example of user receives the reading user data response message of CUDB returns, if it find that message
In carry instruction there are the information of flow conflict, then subscriber signaling is transmitted to read in user data response message and carries
Processing example corresponding to the instance processes identification information that is preserved in CUDB.
The scheme of the embodiment of the present invention is described in further detail with reference to concrete application scene.
Embodiment one：It is one embodiment of the scene of user PDU session establishments and switching conflict as shown in Figure 4.
Step 401, UE initiates session establishment request message to CP, and the forwarding module selection example 1 (CP1) in CP is handled should
Message.
Step 402, CP1 sends to CUDB and reads user data requests message, asks all data of the user.
Step 403, CUDB preserves the mark of CP1.
Step 404, the flow collision detection module of CUDB detects no flow conflict, is returned to CP1 and reads number of users
According to response message, the data of user are carried.
Step 405, CP1 establishes user plane request message to UP transmissions.
Step 406, UP returns establish user plane response message to CP1.
Step 407, CP1 sends wireless tunnel to RAN and establishes request message.
Step 408, RAN returns to wireless tunnel and establishes response message to CP1.
Step 409, CP1 sends update user plane request message to UP.
Step 410, source RAN determines to initiate switching, sends handoff requirement message to CP, the forwarding module in CP selects example
2 (CP2) handle the message.
Step 411, CP2 sends to CUDB and reads user data requests message, asks all data of the user.
Step 412, the flow collision detection module of CUDB judge the user preserved processing instance identification information (CP1's
Mark), and it is inconsistent with the processing instance identification (mark of CP2) of the transmitting terminal of the reading user data requests received, then recognize
For there are flow conflicts.
Step 413, CUDB is returned to CP2 and is read user data response message, is carried and is indicated there are the information of flow conflict,
And carry the processing instance identification information (mark of CP1) of the user preserved in CUDB.
Step 414, CP2 according to the instruction read in user data response message there are the information of flow conflict, cut by forwarding
Requirement message is changed to CP1.
Step 415, CP1 receives handoff requirement message, is detected simultaneously by the user and also establishes process conversating, can be with
Suitable processing strategy is taken, for example hangs up PDU session establishment processes, reprocessing switching.
Step 416, CP1 sends switching request message to RAN, and session information (including newly-established session is carried in message
Information).
Step 417, UP returns to update user plane response message to CP1.
Step 418, CP1 continues with handover request, until switching flow processing terminates.
Step 419, CP1 detects that the user also has PDU session establishment flows to be not over, and continues with PDU sessions and builds
Vertical flow.
Step 420, CP1 returns to PDU session establishment response messages to UE.
Step 421, CP1 sends write-in user data requests message to CUDB, and the user data is written.
Step 422, CUDB empties the user and handles instance identification information.
Step 423, CUDB returns to write-in user data response message to CP1.
Step 424, CP1 deletes local user's contextual information.
Embodiment two：It is one embodiment of user PDU session establishments and location updating scene as shown in Figure 5.
Step 501, UE initiates session establishment request message to CP, and the forwarding module selection example 1 (CP1) in CP is handled should
Message.
Step 502, CP1 sends to CUDB and reads user data requests message, asks all data of the user.
Step 503, CUDB preserves the mark of CP1.
Step 504, the flow collision detection module of CUDB detects no flow conflict, is returned to CP1 and reads number of users
According to response message, the data of user are carried.
Step 505, CP1 establishes user plane request message to UP transmissions.
Step 506, UP returns establish user plane response message to CP1.
Step 507, CP1 sends wireless tunnel to RAN and establishes request message.
Step 508, RAN returns to wireless tunnel and establishes response message to CP1.
Step 509, CP1 sends update user plane request message to UP.
Step 510, due to mobile etc., UE launch positions update request message to CP, the forwarding module selection in CP
Example 2 (CP2) handles the message.
Step 511, CP2 sends to CUDB and reads user data requests message, asks all data of the user.
Step 512, the flow collision detection module of CUDB judge the user preserved processing instance identification information (CP1's
Mark), and it is inconsistent with the processing instance identification (mark of CP2) of the transmitting terminal of the reading user data requests received, then recognize
For there are flow conflicts.
Step 513, CUDB is returned to CP2 and is read user data response message, is carried and is indicated there are the information of flow conflict,
And carry the processing instance identification information (mark of CP1) of the user preserved in CUDB.
Step 514, there are the information of flow conflict according to the instruction read in user data response message by CP2, forward position
Update request message is set to CP1.
Step 515, CP1 receives location update request message, is detected simultaneously by the user and also establishes process conversating,
Suitable processing strategy can be taken, for example terminates PDU session establishment processes reprocessing location update request message.
Step 516, CP1 is sent to UP deletes user plane request message, and notice UP deletes the PDU sessions created, to
RAN sends wireless tunnel deletion request message.
Step 517, CP1 start to process location update request message.
Step 518, UP returns to update user plane response message to CP1.
Step 519, RAN returns to wireless tunnel and deletes response message to CP1.
Step 520, CP1 continues with location update message, until position update flow processing terminates.
Step 521, CP1 sends write-in user data requests message to CUDB, and the user data is written.
Step 522, CUDB empties the user and handles instance identification information.
Step 523, CUDB returns to write-in user data response message to CP1.
Step 524, CP1 deletes local user's contextual information.
Embodiment three：It is an implementation of the scene of the PDU session establishment conflicts of switching and network side triggering as shown in Figure 6
Example.
Step 601, source RAN determines to initiate switching, sends handoff requirement message to CP, the forwarding module in CP selects example
2 (CP2) handle the message.
Step 602, CP2 sends to CUDB and reads user data requests message, asks all data of the user.
Step 603, CUDB preserves the mark of CP2.
Step 604, the flow collision detection module of CUDB detects no flow conflict, is returned to CP2 and reads number of users
According to response message, the data of user are carried.
Step 605, CP2 sends switching request message to RAN.
Step 606, due to there is the downlink data of UE to need to send, but without corresponding PDU sessions, SCEF or other network elements
Network side session establishment request message is sent to CP, the forwarding module selection example 1 (CP1) in CP handles the message.
Step 607, CP1 sends to CUDB and reads user data requests message, asks all data of the user.
Step 608, the flow collision detection module of CUDB judge the user preserved processing instance identification information (CP2's
Mark), and it is inconsistent with the processing instance identification (mark of CP1) of the transmitting terminal of the reading user data requests received, then recognize
For there are flow conflicts.
Step 609, CUDB is returned to CP1 and is read user data response message, is carried and is indicated there are the information of flow conflict,
And carry the processing instance identification information (mark of CP2) of the user preserved in CUDB.
Step 610, there are the information of flow conflict according to the instruction read in user data response message by CP1, forward net
Network side session establishment request message is to CP2.
Step 611, CP2 receives network side session establishment request message, is detected simultaneously by the user and was also switching over
Journey can take suitable processing strategy, such as switching to continue, buffer network side session establishment request message.
Step 612, CP2 continues with handover request, until switching flow processing terminates.
Step 613, CP2 detects that the user also has the PDU network side session establishment request messages cached not handle, then
Continue with the network side session establishment request message of caching.
Step 614, CP2 handles network side session establishment flow, until network side session establishment flow terminates.
Step 615, CP2 sends write-in user data requests message to CUDB, and the user data is written.
Step 616, CUDB empties the user and handles instance identification information.
Step 617, CUDB returns to write-in user data response message to CP2.
Step 618, CP2 deletes local user's contextual information.
Fig. 9 is the structure composition schematic diagram one of the flow clash handle device of the embodiment of the present invention, as shown in figure 9, described
Device includes：
Judging unit 91 when reading user data requests message for receiving, judges the local place for whether storing user
Manage instance identification；
Decision package 92, if the processing instance identification for user to be locally stored, and the processing of the user stored would be real
Example mark and the processing instance identification of the user in the reading user data requests message are inconsistent, it is determined that there are flow punchings
It is prominent；
Indicating unit 93, when reading user data response message for returning, in the reading user data response message
There are the processing instance identifications of the user preserved in the information of flow conflict and CUDB entities for middle carrying instruction.
In the embodiment of the present invention, the judging unit 91 is specifically used for：Network functional entity is received using the first processing
When the reading user data requests message that example is sent, the local processing instance identification for whether storing user is judged；
Described device further includes：Storage unit 94 is used for when processing instance identification of the local without storage user, by institute
The processing instance identification for stating the first processing example is stored to local, the processing instance identification as the user.
In the embodiment of the present invention, the judging unit 91 is specifically used for：It receives network functional entity and utilizes second processing
When the reading user data requests message that example is sent, the local processing instance identification for whether storing user is judged；
The decision package, is specifically used for：If the processing instance identification of user is locally stored, and the user stored
Handle the processing instance identification that instance identification is the second processing example, it is determined that there are flow conflicts.
In the embodiment of the present invention, described device further includes：
Deleting unit 95, for when receive write-in user data requests when, by the processing example for the user being locally stored
Mark is deleted.
Figure 10 is the structure composition schematic diagram two of the flow clash handle device of the embodiment of the present invention, as shown in Figure 10, institute
Stating device includes：
Retransmission unit 1001, when for receiving subscriber signaling, for subscriber signaling selection processing example and will be described
Subscriber signaling is transmitted to the processing example；
Interactive unit 1002 reads user data requests message for being sent to CUDB entities by the processing example,
Receive the reading user data response message that the CUDB entities are sent；
Clash handle unit 1003, if there are flow punchings for carrying instruction in the reading user data response message
Prominent information, then the processing example subscriber signaling is transmitted to the processing example of the user preserved in the CUDB entities
Identify corresponding processing example.
In the embodiment of the present invention, the interactive unit 1002 is specifically used for：When processing example receives subscriber signaling,
Judge the data whether on present treatment example with user；If there is no the data of user on present treatment example, sent out to CUDB
It send and reads user data requests message.
In the embodiment of the present invention, the reading user data response message also carries the user preserved in the CUDB entities
Processing instance identification.
In the embodiment of the present invention, the network functional entity includes at least：Mobile management function to ps domain entity, session management work(
It can entity.
In the embodiment of the present invention, the processing example includes at least：The processing of any of mobile management function to ps domain entity
The example of the component of any of the example of the component of subscriber signaling, conversation management functional entity processing subscriber signaling.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, the shape of hardware embodiment, software implementation or embodiment combining software and hardware aspects can be used in the present invention
Formula.Moreover, the present invention can be used can use storage in the computer that one or more wherein includes computer usable program code
The form for the computer program product implemented on medium (including but not limited to magnetic disk storage and optical memory etc.).
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that the instruction executed by computer or the processor of other programmable data processing devices is generated for real
The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of 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 count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (18)
1. a kind of flow conflict processing method, which is characterized in that the method includes：
When common subscriber database CUDB entities receive reading user data requests message, judge locally whether store user's
Handle instance identification；
If the processing instance identification of user is locally stored, and the processing instance identification of the user stored and the reading user
The processing instance identification of user in data request information is inconsistent, then the CUDB entities determine that there are flow conflicts；
When the CUDB entities return to reading user data response message, carries and refer in the reading user data response message
Show that there are the processing instance identifications of the user preserved in the information of flow conflict and the CUDB entities.
2. flow conflict processing method according to claim 1, which is characterized in that the method further includes：
The CUDB entities receive the reading user data requests message that network functional entity is sent using the first processing example
When, judge the local processing instance identification for whether storing user；
When locally without storage user processing instance identification when, by it is described first processing example processing instance identification store to
It is local, the processing instance identification as the user.
3. flow conflict processing method according to claim 2, which is characterized in that the method further includes：
The CUDB entities receive the reading user data requests message that network functional entity utilizes second processing example to send
When, judge the local processing instance identification for whether storing user；
If the processing instance identification of user is locally stored, and the processing instance identification of the user stored is the second processing
The processing instance identification of example, it is determined that there are flow conflicts.
4. flow conflict processing method according to any one of claims 1 to 3, which is characterized in that the method further includes：
When the CUDB entities receive write-in user data requests, the processing instance identification for the user being locally stored is deleted
It removes.
5. a kind of flow conflict processing method, which is characterized in that the method includes：
When network functional entity receives subscriber signaling, for subscriber signaling selection processing example and the subscriber signaling is turned
Issue the processing example；
The processing example sends to CUDB entities and reads user data requests message, receives the reading that the CUDB entities are sent
User data response message；
If carrying instruction in the reading user data response message there are the information of flow conflict, the processing example will
The subscriber signaling is transmitted to the corresponding processing example of processing instance identification of the user preserved in the CUDB entities.
6. flow conflict processing method according to claim 5, which is characterized in that the processing example is sent out to CUDB entities
It send and reads user data requests message, including：
When processing example receives subscriber signaling, the data whether on present treatment example with user are judged；
If there is no the data of user on present treatment example, is sent to CUDB and read user data requests message.
7. flow conflict processing method according to claim 5, which is characterized in that the reading user data response message
Also carry the processing instance identification of the user preserved in the CUDB entities.
8. according to claim 5 to 7 any one of them flow conflict processing method, which is characterized in that the network function is real
Body includes at least：Mobile management function to ps domain entity, conversation management functional entity.
9. according to claim 5 to 7 any one of them flow conflict processing method, which is characterized in that the processing example is extremely
Include less：Any of mobile management function to ps domain entity handles example, the conversation management functional entity of the component of subscriber signaling
Any of processing subscriber signaling component example.
10. a kind of flow clash handle device, which is characterized in that described device includes：
Judging unit when reading user data requests message for receiving, judges the local processing example for whether storing user
Mark；
Decision package, if the processing instance identification for user to be locally stored, and the processing instance identification of the user stored
It is inconsistent with the processing instance identification of the user in the reading user data requests message, it is determined that there are flow conflicts；
Indicating unit carries when reading user data response message for returning in the reading user data response message
There are the processing instance identifications of the user preserved in the information of flow conflict and CUDB entities for instruction.
11. flow clash handle device according to claim 10, which is characterized in that the judging unit is specifically used for：
When receiving the reading user data requests message that network functional entity is sent using the first processing example, local whether deposit judged
Store up the processing instance identification of user；
Described device further includes：Storage unit is used for when processing instance identification of the local without storage user, by described first
The processing instance identification of processing example is stored to local, the processing instance identification as the user.
12. flow clash handle device according to claim 11, which is characterized in that the judging unit is specifically used for：
When receiving the reading user data requests message that network functional entity is sent using second processing example, local whether deposit judged
Store up the processing instance identification of user；
The decision package, is specifically used for：If the processing instance identification of user is locally stored, and the processing of the user stored
Instance identification is the processing instance identification of the second processing example, it is determined that there are flow conflicts.
13. according to claim 10 to 12 any one of them flow clash handle device, which is characterized in that described device is also wrapped
It includes：
Deleting unit, for when receiving write-in user data requests, the processing instance identification for the user being locally stored to be deleted
It removes.
14. a kind of flow clash handle device, which is characterized in that described device includes：
Retransmission unit, when for receiving subscriber signaling, for subscriber signaling selection processing example and by the subscriber signaling
It is transmitted to the processing example；
Interactive unit reads user data requests message, described in reception for being sent to CUDB entities by the processing example
The reading user data response message that CUDB entities are sent；
Clash handle unit, if there are the letters of flow conflict for carrying instruction in the reading user data response message
It ceases, then the subscriber signaling is transmitted to the processing instance identification pair of the user preserved in the CUDB entities by the processing example
The processing example answered.
15. flow clash handle device according to claim 14, which is characterized in that the interactive unit is specifically used for：
When processing example receives subscriber signaling, the data whether on present treatment example with user are judged；If present treatment example
On not no user data, then sent to CUDB and read user data requests message.
16. flow clash handle device according to claim 14, which is characterized in that the reading user data response disappears
Breath also carries the processing instance identification of the user preserved in the CUDB entities.
17. according to claim 14 to 16 any one of them flow clash handle device, which is characterized in that the network function
Entity includes at least：Mobile management function to ps domain entity, conversation management functional entity.
18. according to claim 14 to 16 any one of them flow clash handle device, which is characterized in that the processing example
It includes at least：It is real that any of mobile management function to ps domain entity handles the example of the component of subscriber signaling, conversation management functional
Any of body handles the example of the component of subscriber signaling.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710018520.9A CN108289306B (en) | 2017-01-10 | 2017-01-10 | Flow conflict processing method and device |
| PCT/CN2017/117484 WO2018130053A1 (en) | 2017-01-10 | 2017-12-20 | Flow conflict processing method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710018520.9A CN108289306B (en) | 2017-01-10 | 2017-01-10 | Flow conflict processing method and device |
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| CN108289306B CN108289306B (en) | 2023-03-10 |
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| CN111418256A (en) * | 2018-10-06 | 2020-07-14 | 联发科技股份有限公司 | Conflict processing mechanism between protocol data unit conversation establishing and releasing process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115442853A (en) * | 2021-06-04 | 2022-12-06 | 华为技术有限公司 | Wireless communication method and device |
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Also Published As
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| CN108289306B (en) | 2023-03-10 |
| WO2018130053A1 (en) | 2018-07-19 |
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