CN107690161B - A kind of processing method and equipment of PDU session - Google Patents
A kind of processing method and equipment of PDU session Download PDFInfo
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- CN107690161B CN107690161B CN201610638598.6A CN201610638598A CN107690161B CN 107690161 B CN107690161 B CN 107690161B CN 201610638598 A CN201610638598 A CN 201610638598A CN 107690161 B CN107690161 B CN 107690161B
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- pdu
- pdu flow
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- access device
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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
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
Abstract
The embodiment of the invention provides the processing methods and equipment of a kind of PDU session, the processing method includes: that access device receives core network control surface functional entity and sends PDU session and establishes request message, the configuration information of the PDU session established request message and at least carry a default PDU flow, the default PDU flow is for transmitting the data packet that can not be matched on any dedicated PDU flow；The access device carries out respective handling according to the request message of establishing of the PDU session.By carrying the configuration information of default PDU flow in establishing in request message for PDU session, access process of the net based on the session of PDU session establishment and PDU flow context can be effectively solved.
Description
Technical field
The present invention relates to the processing method of field of communication technology more particularly to a kind of PDU (protocol Data Unit) session and
Equipment.
Background technique
Referring to Fig. 1, is shown in figure in existing LTE (Long Term Evolution, long term evolution) system and carry mould
Type, the carrying in existing LTE are related to multi-level mapping, from EPS Bearer (EPS carrying) and access net ERAB (Evolved
Radio Access Bearer, the radio access bearer of evolution) between one-to-one mapping, access net ERAB and eat dishes without rice or wine Radio
It is also one-to-one mapping between Bearer (radio bearer), however, the mapping mechanism bring between the carrying of this multilayer is multiple
Miscellaneous signalling interactive process.
To avoid QoS in LTE network (Quality of Service, service quality) framework flexibility low, and it is related
The problem of Signalling exchange complexity.In the following 5G communication system, completely new more flexible QoS frame model will be introduced, therefore need
It introduces the new mechanism of one kind and realizes that access net is based on PDU session (session) and establishes session and PDU flow (PDU stream) up and down
Text.
Summary of the invention
In view of above-mentioned technical problem, the embodiment of the present invention provides the processing method and equipment of a kind of PDU session, and solution is connecing
The process based on PDU session establishment and PDU flow context of networking.
According to an embodiment of the present invention in a first aspect, providing a kind of processing method of PDU session, comprising:
Request message, the PDU session are established in access device reception core network control surface functional entity transmission PDU session
The configuration information established request message and at least carry a default PDU flow, the default PDU flow be used for can not
The data packet being fitted on any dedicated PDU flow is transmitted；
The access device carries out respective handling according to the request message of establishing of the PDU session.
Optionally, the configuration information of the default PDU flow includes any one of following or multinomial: default PDU flow
Qos information, the stream filtering profile of default PDU flow or PDU flow ID.
Optionally, the Qos information of the default PDU flow includes any one of following or multinomial: guaranteeing bit rate GBR
The preempting priority information of instruction or non-guaranteed bit rate Non-GRB instruction, default PDU flow.
Optionally, the transmission direction for upstream or downstream being carried in the stream filtering profile of the default PDU flow indicates letter
Breath.
Optionally, the processing method further include:
If the user face data needs of the PDU session forward on specified interface, described in the access device reception
The configuration information for the specified interface relevant to the PDU session that core network control surface functional entity is sent.
Optionally, the access device according to the PDU session establish request message carry out PDU session corresponding position
Reason, comprising:
The access device judges whether that the PDU flow that can include for the PDU session provides service；
If at least one PDU flow that the access device can include for the PDU session provides service, to
What the core network control surface functional entity sent the PDU session establishes response message；
If any one PDU flow that the access device can not include for the PDU session provides service, to
What the core network control surface functional entity sent the PDU session establishes refuse information.
Optionally, the response message of establishing includes following one or more: the mark ID, Yi Jisuo of the PDU session
The PDU flow list of access device receiving is stated, the PDU flow in the PDU flow list is real by core network control surface function
The PDU flow ID of body distribution is identified.
Optionally, the processing method further include:
The access device receives the request message of establishing that core network control surface functional entity sends PDU flow, described
PDU flow belongs to an established PDU session；
The access device carries out respective handling according to the request message of establishing of the PDU flow.
Optionally, the request message of establishing of the PDU flow includes following one or more: the mark of PDU flow,
The mark of PDU session belonging to PDU flow and the configuration information of PDU flow.
Optionally, the access device carries out respective handling according to the request message of establishing of the PDU flow, comprising:
The access device judges whether that service can be provided for the PDU flow；
If the access device can provide service for the PDU flow, sent out to core network control surface functional entity
Send the PDU flow's to establish response message；
If the access device can not provide service for the PDU flow, sent out to core network control surface functional entity
Send the PDU flow's to establish refuse information.
Optionally, the processing method further include:
The access device receives the release command that core network control surface functional entity sends PDU flow；
The access device discharges the relevant configuration information of the PDU flow, and is released to the PDU flow distribution
Resource.
Optionally, the processing method further include:
The access device sends the release instruction of PDU flow, the release instruction to core network control surface functional entity
The release command of PDU flow is sent for triggering core network control surface functional entity.
Optionally, the processing method further include:
The access device receives the release command that core network control surface functional entity sends PDU session；
The access device discharges the relevant configuration information of PDU flow all under the PDU session, and is released to
The resource of all PDU flow distribution under the PDU session.
The second aspect according to an embodiment of the present invention additionally provides a kind of processing method of PDU session, comprising:
Core network control surface functional entity establishes request message to access device transmission PDU session, the PDU session
Establish the configuration information that request message at least carries a default PDU flow, the default PDU flow is used for can not match
Data packet on to any dedicated PDU flow is transmitted.
Optionally, the configuration information of the default PDU flow includes any one of following or multinomial: default PDU flow
Qos information, the stream filtering profile of default PDU flow or PDU flow ID.
Optionally, the Qos information of the default PDU flow includes any one of following or multinomial: guaranteeing bit rate GBR
It indicates or non-guaranteed bit rate Non-GRB is indicated and the preempting priority information of default PDU flow.
Optionally, the transmission direction for upstream or downstream being carried in the stream filtering profile of the default PDU flow indicates letter
Breath.
Optionally, the processing method further include:
The core network control surface functional entity establishes request message, the PDU to access device transmission PDU flow's
Flow belongs to an established PDU session.
Optionally, the request message of establishing of the PDU flow includes following one or more: the mark of PDU flow,
The mark of PDU session belonging to PDU flow and the configuration information of PDU flow.
Optionally, the processing method further include:
The core network control surface functional entity sends the release command of PDU flow to access device.
Optionally, the processing method further include:
The core network control surface functional entity receives the release instruction for the PDU flow that the access device is sent, described
Release instruction sends the release command of PDU flow for triggering core network control surface functional entity.
Optionally, the processing method further include:
The core network control surface functional entity sends the release command of PDU session to the access device.
In terms of third according to an embodiment of the present invention, a kind of access device is additionally provided, comprising:
First receiving module sends PDU session for receiving core network control surface functional entity and establishes request message, institute
The configuration information of PDU session established request message and at least carry a default PDU flow is stated, the default PDU flow is used
It is transmitted in the data packet that can not be matched on any dedicated PDU flow；
First processing module, for carrying out respective handling according to the request message of establishing of the PDU session.
Optionally, the configuration information of the default PDU flow includes any one of following or multinomial: default PDU flow
Qos information, the stream filtering profile of default PDU flow or PDU flow ID.
Optionally, the Qos information of the default PDU flow includes any one of following or multinomial: guaranteeing bit rate GBR
The preempting priority information of instruction or non-guaranteed bit rate Non-GRB instruction, default PDU flow.
Optionally, the transmission direction for upstream or downstream being carried in the stream filtering profile of the default PDU flow indicates letter
Breath.
Optionally, the access device further include:
Second receiving module accesses if the user face data for the PDU session needs to forward on specified interface
Equipment receives the configuration information for the specified interface relevant to the PDU session that the core network control surface functional entity is sent.
Optionally, the processing module is further used for: judging whether the PDU flow that can include for the PDU session
Service is provided；If at least one the PDU flow that can include for the PDU session provides service, to the core network control
What face functional entity processed sent the PDU session establishes response message；If any one that can not include for the PDU session
PDU flow provides service, then send the PDU session to the core network control surface functional entity establishes refuse information.
Optionally, the response message of establishing includes following one or more: the mark ID, Yi Jisuo of the PDU session
The PDU flow list of access device receiving is stated, the PDU flow in the PDU flow list is real by core network control surface function
The PDU flow ID of body distribution is identified.
Optionally, the access device further include:
Third AM access module sends PDU flow for receiving core network control surface functional entity and establishes request message,
The PDU flow belongs to an established PDU session；
Second processing module, for carrying out respective handling according to the request message of establishing of the PDU flow.
Optionally, the request message of establishing of the PDU flow includes following one or more: the mark of PDU flow,
The mark of PDU session belonging to PDU flow and the configuration information of PDU flow.
Optionally, the Second processing module is further used for: judging whether that service can be provided for the PDU flow；
If service can be provided for the PDU flow, the foundation of the PDU flow is sent to core network control surface functional entity
Response message；If service can not be provided for the PDU flow, the PDU is sent to core network control surface functional entity
Flow's establishes refuse information.
Optionally, the access device further include:
Third receiving module sends the release command of PDU flow for receiving core network control surface functional entity；
First release module for discharging the relevant configuration information of the PDU flow, and is released to the PDU
The resource of flow distribution.
Optionally, the access device further include:
First sending module, it is described to release for sending the release instruction of PDU flow to core network control surface functional entity
Put the release command that instruction sends PDU flow for triggering core network control surface functional entity.
Optionally, the access device further include:
4th receiving module sends the release command of PDU session for receiving core network control surface functional entity；
Second release module discharges the relevant configuration letter of PDU flow all under the PDU session for access device
Breath, and it is released to the resource of PDU flow distribution all under the PDU session.
Fourth aspect according to an embodiment of the present invention additionally provides a kind of core network control surface functional entity, comprising:
Second sending module, for establishing request message to access device transmission PDU session, the PDU session is built
Vertical request message at least carries the configuration information of a default PDU flow, and the default PDU flow is used for can not be matched to
Data packet on any dedicated PDU flow is transmitted.
Optionally, the configuration information of the default PDU flow includes any one of following or multinomial: default PDU flow
Qos information, the stream filtering profile of default PDU flow or PDU flow ID.
Optionally, the Qos information of the default PDU flow includes any one of following or multinomial: guaranteeing bit rate GBR
It indicates or non-guaranteed bit rate Non-GRB is indicated and the preempting priority information of default PDU flow.
Optionally, the transmission direction for upstream or downstream being carried in the stream filtering profile of the default PDU flow indicates letter
Breath.
Optionally, the core network control surface functional entity further include:
Third sending module, for sending the request message of establishing of PDU flow to access device, the PDU flow belongs to
In an established PDU session.
Optionally, the request message of establishing of the PDU flow includes following one or more: the mark of PDU flow,
The mark of PDU session belonging to PDU flow and the configuration information of PDU flow.
Optionally, the core network control surface functional entity further include:
4th sending module, for sending the release command of PDU flow to access device.
Optionally, the core network control surface functional entity further include:
5th receiving module, for receiving the release instruction for the PDU flow that the access device is sent, the release refers to
Show the release command that PDU flow is sent for triggering core network control surface functional entity.
Optionally, the core network control surface functional entity further include:
5th sending module, for sending the release command of PDU session to the access device.
A technical solution in above-mentioned technical proposal has the following advantages that or the utility model has the advantages that by building in PDU session
The configuration information that default PDU flow is carried in vertical request message can effectively solve access net and be based on the session of PDU session establishment
With the process of PDU flow context.
Detailed description of the invention
Fig. 1 is the schematic diagram that model is carried in existing LTE system；
Fig. 2 is the network architecture schematic diagram in the embodiment of the present invention；
Fig. 3 A establishes control plane with Fig. 3 B for UE in the embodiment of the present invention and connects the schematic diagram connected with user face；
Fig. 4 is the angle system configuration diagram in the embodiment of the present invention from UE；
Fig. 5 is the end-to-end reference model schematic diagram in user face in the embodiment of the present invention；
Fig. 6 is the end-to-end reference model schematic diagram in user face in the case of local routing in the embodiment of the present invention；
Fig. 7 is the flow chart of the processing method of PDU session in the embodiment of the present invention one；
Fig. 8 is the flow chart of the processing method of PDU session in the embodiment of the present invention two；
Fig. 9 is the establishment process for the PDU session that core net CN-C is triggered to access net in the embodiment of the present invention three
Schematic diagram；
Figure 10 is the schematic diagram of the increase process of the PDU flow of core net triggering access net in the embodiment of the present invention four；
Figure 11 is the schematic diagram of the deletion process of the PDU flow of core net triggering access net in the embodiment of the present invention five；
Figure 12 is the signal of the release process of the PDU session of core net triggering access net in the embodiment of the present invention six
Figure；
Figure 13 is the schematic diagram of the deletion process of the PDU Flow of access net triggering in the embodiment of the present invention seven；
Figure 14 is the structural block diagram of access device in the embodiment of the present invention eight；
Figure 15 is the structural block diagram of core network control surface functional entity in the embodiment of the present invention nine.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
One skilled in the art will appreciate that embodiments of the present invention can be implemented as a kind of system, device, equipment, method
Or computer program product.Therefore, the embodiment of the present invention can be with specific implementation is as follows: complete hardware, complete
The form that software (including firmware, resident software, microcode etc.) or hardware and software combine.
Referring to fig. 2, a kind of network architecture is shown in figure, is included three logic entities in the network architecture, is position respectively
In the CN-C (core network control surface functional entity) and CN-U (core network user face functional entity) of core net；And it is located at access
The access device (such as next generation's NodeB functional entity, abbreviation NG-NB) of net.Wherein CN-C and NG-NB establish S1*-C interface
For controlling the transmission of plane signaling；CN-U and NG-NB establishes S1*-U for user plane data transfer.Wireless access network and NG-NB
Between establish X2* interface, X2* connector supports control plane (such as X2*-C) and user plane functions (such as X2*-U) simultaneously.
It can wherein establish that (wherein each UE corresponding control plane connection can using UE as the connection of the control plane of granularity on S1*-C
It is identified using S1*-AP ID), it establishes on S1*-U with PDU (Packet data unit) session (session) as grain
The user face of degree connects (or referred to as user face tunnel), and a UE is only capable of that a S1*-C between CN-C is kept to connect simultaneously
It connects, but the user face that PDU Session (session) of the multiple and CN-U on S1*-U interface is granularity can be established simultaneously and connected
Connect (or referred to as user face tunnel).There can be one or more NG-NB in wireless access network while provide service for UE, referring to
Fig. 3 A and Fig. 3 B.
Referring to fig. 4, the angle system architecture diagram from UE is shown in figure, wherein NG2 is equal to S1*-C interface, and NG3 is equal to
S1*-U interface, NG1 are the direct interfaces established between UE and CN-C.
Referring to Fig. 5, the end-to-end reference model schematic diagram in user face is shown in figure；Referring to Fig. 6, local road is shown in figure
The end-to-end reference model schematic diagram in user face in the case of.
Embodiment one
Referring to Fig. 7, a kind of processing method of PDU session is shown in figure, the specific steps are as follows:
Step 701, access device, which receive core network control surface functional entity and send PDU session, establishes request message, institute
The configuration information of PDU session established request message and at least carry a default PDU flow (default PDU stream) is stated, it is described default
PDU flow is for passing the data packet that can not be matched on any dedicated PDU flow (dedicate PUD flow)
It is defeated；
Above-mentioned core network control surface functional entity can be found in the CN-C in Fig. 2~Fig. 5.
Optionally, the request message of establishing of PDU session may also include that the configuration information of dedicate PDU flow,
The configuration information of dedicate PDU flow includes but is not limited to: (QoS information can for the QoS information of dedicate PDU flow
To include the preempting priority information of GBR or Non-GBR instruction and the PDU flow) and dedicate PDU flow
Stream filtering profile (flow filter template) or PDU flow ID, wherein PDU flow ID PDU for identification
The stream filtering profile of flow, dedicate PDU flow are used for the user face data packet for belonging to the dedicate PDU flow
It is filtered.
It can be direct if carrying PDU flow ID, NG-NB in the packet header for the uplink and downlink data packet that access device receives
PDU flow belonging to the data packet is determined according to the PDU flow ID.
In the present embodiment, stream filtering profile is flowed for being filtered to the user face data packet for belonging to the PDU flow
Can also carry in filtering profile is the transmission direction instruction information for being directed to upstream or downstream.
Step 702, access device carry out respective handling according to the request message of establishing of PDU session.
In the present embodiment, by carrying the configuration information of default PDU flow in establishing in request message for PDU session,
Access process of the net based on the session of PDU session establishment and PDU flow context can effectively be solved.
In the present embodiment, optionally, the configuration information of the default PDU flow includes any one of following or multinomial: being lacked
Save the Qos information of PDU flow, the stream filtering profile or PDU flow ID (PDU flow mark) of default PDU flow.
Above-mentioned PDU flow ID PDU flow for identification.
Above-mentioned stream filtering profile is for being filtered the user face data packet for belonging to the PDU flow.
In the present embodiment, optionally, the Qos information of the default PDU flow includes any one of following or multinomial: being protected
Demonstrate,prove the preempting priority information of bit rate GBR instruction or non-guaranteed bit rate Non-GRB instruction, default PDU flow.
In the present embodiment, optionally, the biography of upstream or downstream is carried in the stream filtering profile of the default PDU flow
Defeated direction instruction information.
In the present embodiment, optionally, the processing method further include:
If the user face data needs of the PDU session forward on specified interface (such as S1*-U interface), described to connect
Enter equipment and receives specified interface relevant to the PDU session that the core network control surface functional entity sends (such as S1*-U
Interface) configuration information.
In the present embodiment, optionally, the access device carries out PDU according to the request message of establishing of the PDU session
The respective handling of session, comprising:
The access device judges whether that the PDU flow that can include for the PDU session provides service；
If at least one PDU flow that the access device can include for the PDU session provides service, to
What the core network control surface functional entity sent the PDU session establishes response message；
If any one PDU flow that the access device can not include for the PDU session provides service, to
What the core network control surface functional entity sent the PDU session establishes refuse information.
In the present embodiment, optionally, the response message of establishing includes following one or more: the PDU session
The PDU flow list that ID and the access device are received is identified, the PDU flow in the PDU flow list is by core
The PDU flow ID of network control surface functional entity distribution is identified.
In the present embodiment, optionally, the processing method further include:
The access device receives the request message of establishing that core network control surface functional entity sends PDU flow, described
PDU flow belongs to an established PDU session；
The access device carries out respective handling according to the request message of establishing of the PDU flow.
In the present embodiment, optionally, the request message of establishing of the PDU flow includes following one or more: PDU
The mark of PDU session and the configuration information of PDU flow belonging to the mark of flow, PDU flow.
In the present embodiment, optionally, the access device carries out phase according to the request message of establishing of the PDU flow
It should handle, comprising:
The access device judges whether that service can be provided for the PDU flow；
If the access device can provide service for the PDU flow, sent out to core network control surface functional entity
Send the PDU flow's to establish response message；
If the access device can not provide service for the PDU flow, sent out to core network control surface functional entity
Send the PDU flow's to establish refuse information.
In the present embodiment, optionally, the processing method further include:
The access device receives the release command that core network control surface functional entity sends PDU flow；
The access device discharges the relevant configuration information of the PDU flow, and is released to the PDU flow distribution
Resource.
In the present embodiment, optionally, the processing method further include:
The access device sends the release instruction of PDU flow, the release instruction to core network control surface functional entity
The release command of PDU flow is sent for triggering core network control surface functional entity.
In the present embodiment, optionally, the processing method further include:
The access device receives the release command that core network control surface functional entity sends PDU session；
The access device discharges the relevant configuration information of PDU flow all under the PDU session, and is released to
The resource of all PDU flow distribution under the PDU session.
Technical solution in the present embodiment can effectively solve access net and be based on the session of PDU session establishment and PDU flow
The process of context.
Embodiment two
Referring to Fig. 8, a kind of processing method of PDU session is shown in figure, the specific steps are as follows:
Step 801, core network control surface functional entity send the request message of establishing of PDU session to access device, described
The configuration information of PDU session established request message and at least carry a default PDU flow, the default PDU flow are used for
The data packet that can not be matched on any dedicated PDU flow (dedicate PDU flow) is transmitted.
Optionally, the request message of establishing of PDU session may also include that the configuration information of dedicate PDU flow,
The configuration information of dedicate PDU flow includes but is not limited to: (QoS information can for the QoS information of dedicate PDU flow
To include the preempting priority information of GBR or Non-GBR instruction and the PDU flow) and dedicate PDU flow
Stream filtering profile (flow filter template) or PDU flow ID, wherein PDU flow ID PDU for identification
The stream filtering profile of flow, dedicate PDU flow are used for the user face data packet for belonging to the dedicate PDU flow
It is filtered.
It can be direct if carrying PDU flow ID, NG-NB in the packet header for the uplink and downlink data packet that access device receives
PDU flow belonging to the data packet is determined according to the PDU flow ID.
In the present embodiment, stream filtering profile is flowed for being filtered to the user face data packet for belonging to the PDU flow
Can also carry in filtering profile is the transmission direction instruction information for being directed to upstream or downstream.
In the present embodiment, optionally, the configuration information of the default PDU flow includes any one of following or multinomial: being lacked
Save the Qos information of PDU flow, the stream filtering profile or PDU flow ID of default PDU flow.
In the present embodiment, optionally, the Qos information of the default PDU flow includes any one of following or multinomial: being protected
Demonstrate,prove bit rate GBR instruction or non-guaranteed bit rate Non-GRB instruction and the preempting priority letter of default PDU flow
Breath.
In the present embodiment, optionally, the biography of upstream or downstream is carried in the stream filtering profile of the default PDU flow
Defeated direction instruction information.
In the present embodiment, optionally, the processing method further include:
The core network control surface functional entity establishes request message, the PDU to access device transmission PDU flow's
Flow belongs to an established PDU session.
In the present embodiment, optionally, the request message of establishing of the PDU flow includes following one or more: PDU
The mark of PDU session and the configuration information of PDU flow belonging to the mark of flow, PDU flow.
In the present embodiment, optionally, the processing method further include:
The core network control surface functional entity sends the release command of PDU flow to access device.
In the present embodiment, optionally, the processing method further include:
The core network control surface functional entity receives the release instruction for the PDU flow that the access device is sent, described
Release instruction sends the release command of PDU flow for triggering core network control surface functional entity.
In the present embodiment, optionally, the processing method further include:
The core network control surface functional entity sends the release command of PDU session to the access device.
In the present embodiment, by carrying the configuration information of default PDU flow in establishing in request message for PDU session,
Access process of the net based on the session of PDU session establishment and PDU flow context can effectively be solved.
Embodiment three
The establishment process that core net CN-C is triggered to the PDU session of access net is introduced in the present embodiment.
In order to establish the user plane data transfer channel between special data network, core net CN-C will trigger PDU
Session (PDU session) establishment process, it is (default will wherein to contain at least one default PDU flow in PDU session
PDU stream) configuration, while also may include the configuration of dedicate PDU flow (dedicated PDU stream).Wherein default PDU
Flow is for transmitting the data packet that can not be matched on any dedicate PDU flow.It is assumed that CN-C can be with
The establishment process of the multiple PDN session of parallel trigger, referring to Fig. 9, the specific steps are as follows:
Step 901, core net CN-C send PDU session to access net NG-NB and establish request message；
CN-C is that each PDU session distributes a PDU session ID (PDU session identification) as the PDU
The temporary identifier of session.
Each PDU session, which is established in message, at least carries a default PDU flow configuration information, default
The configuration information of PDU flow includes but is not limited to: the QoS information of default PDU flow (QoS information may include GBR or
Non-GBR instruction and the PDU flow preempting priority information) and the stream filtering profile of default flow (can also
Referred to as flow filter template) or PDU flow ID PDU flow for identification, wherein stream filtering profile is used for category
It is filtered in the user face data packet of the PDU flow, flows the biography that can also be carried in filtering profile be for upstream or downstream
Defeated direction instruction information.It can be with if carrying PDU flow ID, NG-NB in the packet header for the uplink and downlink data packet that NG-NB is received
PDU flow belonging to the data packet is directly determined according to the PDU flow ID.
In addition, PDU session establishes in message the configuration information for also carrying dedicate PDU flow, dedicate
The configuration information of PDU flow includes but is not limited to: (QoS information may include GBR to the QoS information of dedicate PDU flow
Or Non-GBR instruction and the PDU flow preempting priority information) and dedicate PDU flow stream filter module
Plate (flow filter template) or PDU flow ID PDU flow for identification, wherein stream filtering profile is used for category
It is filtered in the user face data packet of the PDU flow, flows the biography that can also be carried in filtering profile be for upstream or downstream
Defeated direction instruction information.It can be with if carrying PDU flow ID, NG-NB in the packet header for the uplink and downlink data packet that NG-NB is received
PDU flow belonging to the data packet is directly determined according to the PDU flow ID.
CN-C is that each PDU flow distributes temporary identifier of the PDU flow ID as the PDU flow.
In addition, if user face data needs to forward on S1*-U interface, due to that can be each between NG-NB and CN-U
PDU session establishes a data forwarding tunnel, therefore the side CN-U can be also directed to the uplink tunnel of the PDU session by CU-C
Road identification information is sent to NG-NB.It does not need to carry S1*-U tunnel configuration if data are from external network.
Step 902, NG-NB judge whether that the PDU flow that can include for PDU session provides service, if NG-
NB can provide service (such as default PDU flow) at least one PDU flow and provide service, then NG-NB can be to
CN-C sends PDU session and establishes response message.Wherein carry the PDU that PDU session ID and NG-NB is successfully received
Flow list, the PDU flow ID that PDU flow is distributed by CN-C are identified.Under NG-NB distributes the PDU session
Row tunnel identification information is sent to CN-C (step 902a).
If NG-NB judges that any one the PDU flow that can not include as PDU session provides service, NG-NB
PDU session is sent to CN-C and establishes refuse information, and carries instruction of the PDU session ID as PDU session
(step 902b).
Example IV
The increase process of the PDU flow of core net triggering access net is introduced in the present embodiment.
PDU flow increases process and is used for UE at specific PDU session due to activating new business thus resulting in the need for
The case where increasing new PDU flow, therefore the adding procedure of PDU flow must be directed to an established PDU
session.PDU flow increases process and needs to indicate which PDU session be directed to, the reason is that the institute of specific PDU session
There is PDU flow that can all be accumulated in S1*-U structure to a S1*-U tunnel to be transmitted, referring to Figure 10, specific steps
It is as follows:
Step 1001: core net CN-C sends PDU flow to access net NG-NB and establishes request message；
It is that each newly-built PDU flow distributes interim mark of the PDU flow ID as the PDU flow including CN-C
Know and the PDU flow belonging to PDU session message identification information.The configuration information of PDU flow includes but unlimited
In: (QoS information may include GBR or Non-GBR instruction and the preemptive priority of the PDU flow to the QoS information of PDU flow
Grade information) and PDU flow stream filtering profile (flow filter template) or PDU flow ID is for identification
PDU flow, wherein stream filtering profile flows filtering profile for being filtered to the user face data packet for belonging to the PDU flow
In can also carry be for upstream or downstream transmission direction instruction information.If the uplink and downlink data packet that NG-NB is received
PDU flow ID is carried in packet header, then NG-NB directly can determine PDU belonging to the data packet according to the PDU flow ID
flow。
Step 1002:NG-NB judges whether that service can be provided for the PDU flow, if NG-NB can be the PDU
Flow provides clothes, then NG-NB can send PDU flow to CN-C and establish response message.PDU session ID is wherein carried,
And the PDU flow ID (step 1002a) that NG-NB is successfully received.
If NG-NB judges that service can not be provided as the PDU flow, NG-NB sends PDU session to CN-C and builds
Vertical refuse information (step 1002b).
Embodiment five
The deletion process of the PDU flow of core net triggering access net is introduced in the present embodiment.
If prolonged silent status is deactivated or entered after some business of UE, may trigger release is related
The process of PDU flow, referring to Figure 11, the specific steps are as follows:
Step 1101, core net CN-C send PDU flow release command to access net NG-NB.Wherein carry PDU
Session ID and PDU flow ID is for identifying target flow.
Step 1102, NG-NB discharge the PDU flow relevant configuration information, and the resource for PDU flow distribution
Afterwards, NG-NB sends PDU flow release accordingly to CN-C.
Embodiment six
The release process of the PDU session of core net triggering access net is introduced in the present embodiment.
If the session of UE to some external network, which deactivates, will trigger the release process of PDU session, referring to Figure 12,
Specific step is as follows:
Step 1201, core net CN-C send PDU Session release command to access net NG-NB.Wherein carry PDU
Session ID is for identifying target PDU session.
Step 1202, NG-NB discharge the phase of all PDU flow under the PDU session and PDU session
Configuration information is closed, and after the resource for PDU flow all under PDU session distribution, NG-NB sends PDU to CN-C
Flow release is corresponding.
Embodiment seven
The deletion process of the PDU Flow of access net triggering is introduced in the present embodiment.
For access net if it find that some PDU flow does not have data packet arrival for a long time, then core net can be requested by accessing net
Delete the PDU flow.After the PDU flow is deleted, the related data packets of subsequent arrival can temporarily be converged to Default
It is transmitted on flow, referring to Figure 13, the specific steps are as follows:
Step 1301, NG-NB send PDU flow release instruction to CN-C, wherein carrying the PDU flow and PDU
PDU session id information belonging to flow.
Step 1302, core net CN-C send PDU flow release command to access net NG-NB.Wherein carry PDU
Session ID and PDU flow ID is for identifying target flow.
Step 1303, NG-NB discharge the PDU flow relevant configuration information, and the resource for PDU flow distribution
Afterwards, NG-NB sends PDU flow release accordingly to CN-C.
Embodiment eight
Referring to Figure 14, a kind of access device is shown in figure, which includes:
First receiving module 1401, the foundation request that PDU session is sent for receiving core network control surface functional entity disappear
Breath, the configuration information of the PDU session established request message and at least carry a default PDU flow, the default PDU
Flow is for transmitting the data packet that can not be matched on any dedicated PDU flow；
First processing module 1402, for carrying out respective handling according to the request message of establishing of the PDU session.
Optionally, the request message of establishing of PDU session may also include that the configuration information of dedicate PDU flow,
The configuration information of dedicate PDU flow includes but is not limited to: (QoS information can for the QoS information of dedicate PDU flow
To include the preempting priority information of GBR or Non-GBR instruction and the PDU flow) and dedicate PDU flow
Stream filtering profile (flow filter template) or PDU flow ID, wherein PDU flow ID PDU for identification
The stream filtering profile of flow, dedicate PDU flow are used for the user face data packet for belonging to the dedicate PDU flow
It is filtered.
It can be direct if carrying PDU flow ID, NG-NB in the packet header for the uplink and downlink data packet that access device receives
PDU flow belonging to the data packet is determined according to the PDU flow ID.
In the present embodiment, stream filtering profile is flowed for being filtered to the user face data packet for belonging to the PDU flow
Can also carry in filtering profile is the transmission direction instruction information for being directed to upstream or downstream.
In the present embodiment, optionally, the configuration information of the default PDU flow includes any one of following or multinomial: being lacked
Save the Qos information of PDU flow, the stream filtering profile or PDU flow ID of default PDU flow.
In the present embodiment, optionally, the Qos information of the default PDU flow includes any one of following or multinomial: being protected
Demonstrate,prove the preempting priority information of bit rate GBR instruction or non-guaranteed bit rate Non-GRB instruction, default PDUflow.
In the present embodiment, optionally, the biography of upstream or downstream is carried in the stream filtering profile of the default PDU flow
Defeated direction instruction information.
In the present embodiment, optionally, the access device further include:
Second receiving module, if the user face data for the PDU session is needed at specified interface (such as S1*-U)
It is forwarded on interface, the access device receives the relevant to the PDU session of the core network control surface functional entity transmission
The configuration information of specified interface (such as S1*-U).
In the present embodiment, optionally, the processing module is further used for: judging whether be the PDU session
The PDU flow for including provides service；If at least one the PDU flow that can include for the PDU session provides service,
Send the PDU session to the core network control surface functional entity establishes response message；If can not be the PDU session
Any one the PDU flow for including provides service, then sends the PDU session to the core network control surface functional entity
Establish refuse information.
In the present embodiment, optionally, the response message of establishing includes following one or more: the PDU session
The PDU flow list that ID and the access device are received is identified, the PDU flow in the PDU flow list is by core
The PDU flow ID of network control surface functional entity distribution is identified.
In the present embodiment, optionally, the access device further include:
Third AM access module sends PDU flow for receiving core network control surface functional entity and establishes request message,
The PDU flow belongs to an established PDU session；
Second processing module, for carrying out respective handling according to the request message of establishing of the PDU flow.
In the present embodiment, optionally, the request message of establishing of the PDU flow includes following one or more: PDU
The mark of PDU session and the configuration information of PDU flow belonging to the mark of flow, PDU flow.
In the present embodiment, optionally, the Second processing module is further used for: judging whether be the PDU
Flow provides service；If service can be provided for the PDU flow, to described in the transmission of core network control surface functional entity
PDU flow's establishes response message；It is real to core network control surface function if service can not be provided for the PDU flow
What body sent the PDU flow establishes refuse information.
In the present embodiment, optionally, the access device further include:
Third receiving module sends the release command of PDU flow for receiving core network control surface functional entity；
First release module for discharging the relevant configuration information of the PDU flow, and is released to the PDU
The resource of flow distribution.
In the present embodiment, optionally, the access device further include:
First sending module, it is described to release for sending the release instruction of PDU flow to core network control surface functional entity
Put the release command that instruction sends PDU flow for triggering core network control surface functional entity.
In the present embodiment, optionally, the access device further include:
4th receiving module sends the release command of PDU session for receiving core network control surface functional entity；
Second release module, the correlation that PDU flow all under the PDU session is discharged for the access device are matched
Confidence breath, and it is released to the resource of PDU flow distribution all under the PDU session.
Technical solution in the present embodiment can effectively solve access net and be based on the session of PDU session establishment and PDU flow
The process of context.
Embodiment nine
Referring to Figure 15, a kind of core network control surface functional entity is shown in figure, the core network control surface functional entity
1500 include:
Second sending module 1501, for establishing request message, the PDU session to access device transmission PDU session
The configuration information established request message and at least carry a default PDU flow, the default PDU flow be used for can not
The data packet being fitted on any dedicated PDU flow is transmitted.
Optionally, the request message of establishing of PDU session may also include that the configuration information of dedicate PDU flow,
The configuration information of dedicate PDU flow includes but is not limited to: (QoS information can for the QoS information of dedicate PDU flow
To include the preempting priority information of GBR or Non-GBR instruction and the PDU flow) and dedicate PDU flow
Stream filtering profile (flow filter template) or PDU flow ID, wherein PDU flow ID PDU for identification
The stream filtering profile of flow, dedicate PDU flow are used for the user face data packet for belonging to the dedicate PDU flow
It is filtered.
It can be direct if carrying PDU flow ID, NG-NB in the packet header for the uplink and downlink data packet that access device receives
PDU flow belonging to the data packet is determined according to the PDU flow ID.
In the present embodiment, stream filtering profile is flowed for being filtered to the user face data packet for belonging to the PDU flow
Can also carry in filtering profile is the transmission direction instruction information for being directed to upstream or downstream.
In the present embodiment, optionally, the configuration information of the default PDU flow includes any one of following or multinomial: being lacked
Save the Qos information of PDU flow, the stream filtering profile or PDU flow ID of default PDU flow.
In the present embodiment, optionally, the Qos information of the default PDU flow includes any one of following or multinomial: being protected
Demonstrate,prove bit rate GBR instruction or non-guaranteed bit rate Non-GRB instruction and the preempting priority letter of default PDU flow
Breath.
In the present embodiment, optionally, the biography of upstream or downstream is carried in the stream filtering profile of the default PDU flow
Defeated direction instruction information.
In the present embodiment, optionally, the core network control surface functional entity further include:
Third sending module, for sending the request message of establishing of PDU flow to access device, the PDU flow belongs to
In an established PDU session.
In the present embodiment, optionally, the request message of establishing of the PDU flow includes following one or more: PDU
The mark of PDU session and the configuration information of PDU flow belonging to the mark of flow, PDU flow.
In the present embodiment, optionally, the core network control surface functional entity further include:
4th sending module, for sending the release command of PDU flow to access device.
In the present embodiment, optionally, the core network control surface functional entity further include:
5th receiving module, for receiving the release instruction for the PDU flow that the access device is sent, the release refers to
Show the release command that PDU flow is sent for triggering core network control surface functional entity.
In the present embodiment, optionally, the core network control surface functional entity further include:
5th sending module, for sending the release command of PDU session to the access device.
Technical solution in the present embodiment can effectively solve access net and be based on the session of PDU session establishment and PDU flow
The process of context.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is related with embodiment
A particular feature, structure, or characteristic is included at least one embodiment of the present invention.Therefore, occur everywhere in the whole instruction
" in one embodiment " or " in one embodiment " not necessarily refer to identical embodiment.In addition, these specific features, knot
Structure or characteristic can combine in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be appreciated that magnitude of the sequence numbers of the above procedures are not meant to execute suitable
Sequence it is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention
Process constitutes any restriction.
In addition, the terms " system " and " network " are often used interchangeably herein.
It should be understood that the terms "and/or", only a kind of incidence relation for describing affiliated partner, expression can deposit
In three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.
In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
In embodiment provided herein, it should be appreciated that " B corresponding with A " indicates that B is associated with A, can be with according to A
Determine B.It is also to be understood that determine that B is not meant to determine B only according to A according to A, it can also be according to A and/or other information
Determine B.
In several embodiments provided herein, it should be understood that disclosed method and apparatus, it can be by other
Mode realize.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
For a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine
Or it is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed phase
Coupling, direct-coupling or communication connection between mutually can be through some interfaces, the INDIRECT COUPLING or communication of device or unit
Connection can be electrical property, mechanical or other forms.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that the independent physics of each unit includes, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can store and computer-readable deposit at one
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or network side equipment etc.) executes transmitting-receiving side described in each embodiment of the present invention
The part steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, letter
Claim ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic or disk etc. is various to deposit
Store up the medium of program code.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come
It says, several improvements and modifications can also be made under the premise of not departing from principle of the present invention, these improvements and modifications also exist
In protection scope of the present invention.
Claims (40)
1. a kind of processing method of PDU session characterized by comprising
Request message is established in access device reception core network control surface functional entity transmission PDU session, and the PDU session is built
Vertical request message at least carries the configuration information of a default PDU flow, and the default PDU flow is used for can not be matched to
Data packet on any dedicated PDU flow is transmitted；
The access device carries out respective handling according to the request message of establishing of the PDU session；
The processing method further include:
The access device reception core network control surface functional entity transmission PDU flow's establishes request message, the PDU
Flow belongs to an established PDU session；
The access device carries out respective handling according to the request message of establishing of the PDU flow.
2. processing method according to claim 1, which is characterized in that the configuration information of the default PDU flow include with
It is any one of lower or multinomial: the Qos information of default PDU flow, the stream filtering profile of default PDU flow or PDU flow ID.
3. processing method according to claim 2, which is characterized in that the Qos information of the default PDU flow include with
It is any one of lower or multinomial: to guarantee bit rate GBR instruction or non-guaranteed bit rate Non-GRB instruction, default PDU flow
Preempting priority information.
4. processing method according to claim 2, which is characterized in that taken in the stream filtering profile of the default PDU flow
Transmission direction with upstream or downstream indicates information.
5. processing method according to claim 4, which is characterized in that the processing method further include:
If the user face data needs of the PDU session forward on specified interface, the access device receives the core
The configuration information for the specified interface relevant to the PDU session that network control surface functional entity is sent.
6. processing method according to claim 1, which is characterized in that the access device is built according to the PDU session
Vertical request message carries out the respective handling of PDU session, comprising:
The access device judges whether that the PDU flow that can include for the PDU session provides service；
If at least one PDU flow that the access device can include for the PDU session provides service, Xiang Suoshu
What core network control surface functional entity sent the PDU session establishes response message；
If any one PDU flow that the access device can not include for the PDU session provides service, Xiang Suoshu
What core network control surface functional entity sent the PDU session establishes refuse information.
7. processing method according to claim 6, which is characterized in that the response message of establishing includes with the next item down or more
: the PDU flow list that the mark ID of the PDU session and the access device are received, in the PDU flow list
The PDU flow ID that is distributed by core network control surface functional entity of PDU flow be identified.
8. processing method according to claim 1, which is characterized in that the PDU flow establish request message include with
The next item down is multinomial: the mark of PDU session and the configuration information of PDU flow belonging to the mark of PDU flow, PDU flow.
9. processing method according to claim 1, which is characterized in that the access device is built according to the PDU flow's
Vertical request message carries out respective handling, comprising:
The access device judges whether that service can be provided for the PDU flow；
If the access device can provide service for the PDU flow, institute is sent to core network control surface functional entity
That states PDU flow establishes response message；
If the access device can not provide service for the PDU flow, institute is sent to core network control surface functional entity
That states PDU flow establishes refuse information.
10. processing method according to claim 1, which is characterized in that the processing method further include:
The access device receives the release command that core network control surface functional entity sends PDU flow；
The access device discharges the relevant configuration information of the PDU flow, and is released to the money of the PDU flow distribution
Source.
11. processing method according to claim 10, which is characterized in that the processing method further include:
The access device sends the release instruction of PDU flow to core network control surface functional entity, and the release instruction is used for
Trigger the release command that core network control surface functional entity sends PDU flow.
12. processing method according to claim 1, which is characterized in that the processing method further include:
The access device receives the release command that core network control surface functional entity sends PDU session；
The access device discharges the relevant configuration information of PDU flow all under the PDU session, and is released to described
The resource of all PDU flow distribution under PDU session.
13. a kind of processing method of PDU session characterized by comprising
Core network control surface functional entity establishes request message, the foundation of the PDU session to access device transmission PDU session
Request message at least carries the configuration information of a default PDU flow, and the default PDU flow is used to take office to can not match
Data packet on what dedicated PDU flow is transmitted；
The processing method further include:
The core network control surface functional entity establishes request message, the PDU flow to access device transmission PDU flow's
Belong to an established PDU session.
14. processing method according to claim 13, which is characterized in that the configuration information of the default PDU flow includes
It is any one of following or multinomial: the Qos information of default PDU flow, the stream filtering profile of default PDU flow or PDU flow ID.
15. processing method according to claim 14, which is characterized in that the Qos information of the default PDU flow includes
It is any one of following or multinomial: to guarantee bit rate GBR instruction or non-guaranteed bit rate Non-GRB instruction and default PDU
The preempting priority information of flow.
16. processing method according to claim 14, which is characterized in that in the stream filtering profile of the default PDU flow
The transmission direction for carrying upstream or downstream indicates information.
17. processing method according to claim 13, which is characterized in that the request message of establishing of the PDU flow includes
One or more below: the mark of PDU session belonging to the mark of PDU flow, PDU flow and PDU flow's matches confidence
Breath.
18. processing method according to claim 13, which is characterized in that the processing method further include:
The core network control surface functional entity sends the release command of PDU flow to access device.
19. processing method according to claim 18, which is characterized in that the processing method further include:
The core network control surface functional entity receives the release instruction for the PDU flow that the access device is sent, the release
Indicate the release command that PDU flow is sent for triggering core network control surface functional entity.
20. processing method according to claim 13, which is characterized in that the processing method further include:
The core network control surface functional entity sends the release command of PDU session to the access device.
21. a kind of access device characterized by comprising
First receiving module sends the request message of establishing of PDU session for receiving core network control surface functional entity, described
The configuration information of PDU session established request message and at least carry a default PDU flow, the default PDU flow are used for
The data packet that can not be matched on any dedicated PDU flow is transmitted；
First processing module, for carrying out respective handling according to the request message of establishing of the PDU session；
The access device further include:
Third AM access module sends the request message of establishing of PDU flow for receiving core network control surface functional entity, described
PDU flow belongs to an established PDU session；
Second processing module, for carrying out respective handling according to the request message of establishing of the PDU flow.
22. access device according to claim 21, which is characterized in that the configuration information of the default PDU flow includes
It is any one of following or multinomial: the Qos information of default PDU flow, the stream filtering profile of default PDU flow or PDU flow ID.
23. access device according to claim 22, which is characterized in that the Qos information of the default PDU flow includes
It is any one of following or multinomial: to guarantee bit rate GBR instruction or non-guaranteed bit rate Non-GRB instruction, default PDU flow
Preempting priority information.
24. access device according to claim 22, which is characterized in that in the stream filtering profile of the default PDU flow
The transmission direction for carrying upstream or downstream indicates information.
25. access device according to claim 24, which is characterized in that the access device further include:
Second receiving module, if the user face data for the PDU session needs to forward on specified interface, access device
Receive the configuration information for the specified interface relevant to the PDU session that the core network control surface functional entity is sent.
26. access device according to claim 21, which is characterized in that the processing module is further used for: judgement is
The no PDU flow that can include for the PDU session provides service；If at least one that can include for the PDU session
PDU flow provides service, then send the PDU session to the core network control surface functional entity establishes response message；Such as
Any one PDU flow that fruit can not include for the PDU session provides service, then real to the core network control surface function
What body sent the PDU session establishes refuse information.
27. access device according to claim 26, which is characterized in that it is described establish response message include with the next item down or
It is multinomial: the PDU flow list that the mark ID of the PDU session and the access device are received, the PDU flow list
In the PDU flow ID that is distributed by core network control surface functional entity of PDU flow be identified.
28. access device according to claim 21, which is characterized in that the request message of establishing of the PDU flow includes
One or more below: the mark of PDU session belonging to the mark of PDU flow, PDU flow and PDU flow's matches confidence
Breath.
29. access device according to claim 21, which is characterized in that the Second processing module is further used for: sentencing
It is disconnected whether to provide service for the PDU flow；If service can be provided for the PDU flow, to core network control
What face functional entity processed sent the PDU flow establishes response message；If service can not be provided for the PDU flow,
Send the PDU flow to core network control surface functional entity establishes refuse information.
30. access device according to claim 21, which is characterized in that the access device further include:
Third receiving module sends the release command of PDU flow for receiving core network control surface functional entity；
First release module for discharging the relevant configuration information of the PDU flow, and is released to the PDU flow points
The resource matched.
31. access device according to claim 30, which is characterized in that the access device further include:
First sending module, for sending the release instruction of PDU flow to core network control surface functional entity, the release refers to
Show the release command that PDU flow is sent for triggering core network control surface functional entity.
32. access device according to claim 21, which is characterized in that the access device further include:
4th receiving module sends the release command of PDU session for receiving core network control surface functional entity；
Second release module discharges the relevant configuration information of PDU flow all under the PDU session for access device, with
And it is released to the resource of PDU flow distribution all under the PDU session.
33. a kind of core network control surface functional entity characterized by comprising
Second sending module, for establishing request message to access device transmission PDU session, the foundation of the PDU session is asked
Message is asked at least to carry the configuration information of a default PDU flow, the default PDU flow is used for any to that can not be matched to
Data packet on dedicated PDU flow is transmitted；
The core network control surface functional entity further include:
Third sending module, for establishing request message to access device transmission PDU flow, the PDU flow belongs to one
A established PDU session.
34. core network control surface functional entity according to claim 33, which is characterized in that the default PDU flow's
Configuration information includes any one of following or multinomial: the Qos information of default PDU flow, default PDU flow stream filtering profile or
PDU flow ID。
35. core network control surface functional entity according to claim 34, which is characterized in that the default PDU flow's
Qos information includes any one of following or multinomial: guarantee bit rate GBR instruction or non-guaranteed bit rate Non-GRB instruction, with
And the preempting priority information of default PDU flow.
36. core network control surface functional entity according to claim 34, which is characterized in that the default PDU flow's
Flow the transmission direction instruction information that upstream or downstream are carried in filtering profile.
37. core network control surface functional entity according to claim 33, which is characterized in that the foundation of the PDU flow
Request message includes following one or more: the mark and PDU of PDU session belonging to the mark of PDU flow, PDU flow
The configuration information of flow.
38. core network control surface functional entity according to claim 33, which is characterized in that the core network control surface function
Energy entity further include:
4th sending module, for sending the release command of PDU flow to access device.
39. the core network control surface functional entity according to claim 38, which is characterized in that the core network control surface function
Energy entity further include:
5th receiving module, for receiving the release instruction for the PDU flow that the access device is sent, the release instruction is used
The release command of PDU flow is sent in triggering core network control surface functional entity.
40. core network control surface functional entity according to claim 33, which is characterized in that the core network control surface function
Energy entity further include:
5th sending module, for sending the release command of PDU session to the access device.
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| CN116709593A (en) | 2018-02-14 | 2023-09-05 | 华为技术有限公司 | Method and device for determining protocol data unit session service network element |
| CN110324246B (en) * | 2018-03-31 | 2021-12-24 | 华为技术有限公司 | Communication method and device |
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