CN108377526A - A kind of data distribution method and device - Google Patents
A kind of data distribution method and device Download PDFInfo
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- CN108377526A CN108377526A CN201610958888.9A CN201610958888A CN108377526A CN 108377526 A CN108377526 A CN 108377526A CN 201610958888 A CN201610958888 A CN 201610958888A CN 108377526 A CN108377526 A CN 108377526A
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- carrying
- data transfer
- transfer path
- request message
- equipment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/34—Modification of an existing route
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
Abstract
The invention discloses carrying establishing method and device in a kind of data distribution network, this method includes：First equipment obtains the data transfer path or carrying modification information of user equipment (UE)；First equipment sends the first request message, if wherein when the first equipment obtains the data transfer path of UE, first request message changes the transmission path for asking；If the first equipment obtains the carrying modification information of UE, first request message changes the carrying for asking；First equipment receives the first response message corresponding with first request message, to solve the problem of that across L GW mobility cannot keep IP continuity in local shunt.
Description
Technical field
The present invention relates to fields of communication technology, more particularly, to a kind of data distribution method and device.
Background technology
With the high speed development of wireless communication technique, new application scenarios and business demand continuously emerge, existing communication
Network gradually faces the challenge.
The growth of Internet service flow, the core network gateway characterized by centralization are increasingly becoming data with return link
The bottleneck of routing and forwarding.Core network and the data mighty torrent pressure that transmission network faces are also increasing.Virtual reality, enhancing
The appearance of the business such as display, car networking needs to propose strict requirements to end-to-end time delay.Therefore, local shunting is as reduction
Time delay, a kind of important technological means for alleviating core net pressure, local shunting refer to data when being transmitted, and are no longer passed through
Core network, but be transmitted in local network and internet by local gateway (local gateway, L-GW).Such as Fig. 1
Shown in the network architecture, local separate system includes mainly local network, internet, return link and core net four
Most of composition.
But in local dividing technology, the position of user equipment (user equipment, UE) be not one one-tenth not
Become, when across L-GW movement occurs in UE, need to remove original carrying, re-establish new carrying to transmit the relevant data of UE,
Therefore across L-GW mobility problem can't be efficiently solved, cannot keep IP continuity.
Invention content
The present invention provides carrying establishing method and devices in a kind of data distribution network, for efficiently solving across L-GW
Mobility problem, the problem of cannot keep IP continuity.
Carrying establishing method in a kind of data distribution network, including：
First equipment obtains the data transfer path or carrying modification information of user equipment (UE)；
First equipment sends the first request message, if wherein when the first equipment obtains the data transfer path of UE, institute
State the first request message for ask the modification transmission path；It is described if the first equipment obtains the carrying modification information of UE
First request message changes the carrying for asking；
First equipment receives the first response message corresponding with first request message.
First equipment obtains the data transfer path of user equipment (UE), including：First equipment, which obtains, increases data transmission route
Diameter；Or first equipment obtain modification data transfer path.
First equipment obtains the carrying modification information of UE, including：
First equipment obtains increased carrying；Or first equipment obtain modification carrying.
First equipment sends the first request message, include specifically it is following in one kind：
First request message increases for asking to increase to build in the data transfer path or the data transfer path
The corresponding carrying in part；
First request message rebuilds the corresponding carrying of the data transfer path for asking；
First request message changes the corresponding carrying of the data transfer path for asking；
First request message builds the corresponding carrying in increased part in the data transfer path for asking to increase；
First request message rebuilds increased data transmission route path portion in the data transfer path for asking
Corresponding carrying；
First request message is used to ask to change the data transmission route path portion changed in the data transfer path
Corresponding carrying.
Further include：
The second request message is sent, second request message is for asking on the basis of existing carrying, foundation and institute
State the corresponding carrying of increased data transmission route path portion in data transfer path or the data transfer path.
First equipment receives the first response message corresponding with first request message, including：
First equipment receives the first response message that the second equipment is sent, wherein first response message is described
Second equipment is on the transmission road for establishing the data transfer path or second equipment is changed in the data transfer path
The message sent after the corresponding carrying of path portion.
Include following at least one information in first request message：
The mark of UE；
The access network information of the UE；
Increased carrying mark；
The carrying mark of reconstruction；
The carrying mark of modification；
The end marker of the corresponding carrying of increased data transfer path；
The end marker of the corresponding carrying of data transfer path of reconstruction；
The end marker of the corresponding carrying of data transfer path of modification；
The information of the service network of the UE access；
The information of general packet radio service agreement-C tunnel GTP-C Tunnel；
The information of S5/S8Interface；
The type of public data network PDN；
The attribute of increased carrying；
The attribute of the carrying of reconstruction；
The attribute of the carrying of modification.
First response message includes following at least one information：
The confirmation message of the data transfer path；
The corresponding mark for transmitting tunnel of the data transfer path；
The corresponding carrying mark of the data transfer path.
First request message is to re-establish session request Re-Create Session Request；Or modification meeting
Words request Modify Session Request；
First response message is to re-establish conversational response Re-Create Session Response；Or modification meeting
Words response Modify Session Response.
Carrying establishing method in a kind of data distribution network, including：
Second equipment receives the first request message, if wherein when the first equipment obtains the data transfer path of UE, described the
One request message changes the transmission path for asking；If the first equipment obtains the carrying modification information of UE, described first
Request message changes the carrying for asking；
Second equipment sends the first response message corresponding with first request message, wherein first response
Message is the transmission path portion that second equipment is changed in establishing the data transfer path or the data transfer path
Divide the message sent after corresponding carrying.
Second equipment receives the first request message, and first request message includes specifically following middle one kind：
First request message increases for asking to increase to build in the data transfer path or the data transfer path
The corresponding carrying in part；
First request message rebuilds the corresponding carrying of the data transfer path for asking；
First request message changes the corresponding carrying of the data transfer path for asking；
First request message builds the corresponding carrying in increased part in the data transfer path for asking to increase；
First request message rebuilds increased data transmission route path portion in the data transfer path for asking
Corresponding carrying；
First request message is used to ask to change the data transmission route path portion changed in the data transfer path
Corresponding carrying.
After the second equipment receives the first request message, second equipment sends corresponding with first request message
The first response message before, further include：Second equipment obtains and user equipment (UE) in first request message
Data transfer path or carrying modification information.
The data transfer path with user equipment (UE) is obtained, including：It obtains and increases data transfer path；Or obtain modification
Data transfer path.
Carrying modification information is obtained, including：Obtain carrying to be increased；
Or
Obtain carrying to be modified.
Further include：The second request message is received, second request message is built for asking on the basis of existing carrying
Stand carrying corresponding with increased data transmission route path portion in the data transfer path or the data transfer path；
Establish carrying corresponding with second request message；
The second request response is sent, wherein the second request response is for notifying the first equipment carrying to establish
At.
Include following at least one information in first request message：
The mark of the UE；
The access network information of the UE；
Increased carrying mark；
Rebuild carrying mark；
The carrying mark of modification；
The end marker of the corresponding carrying of increased data transfer path；
The end marker of the corresponding carrying of data transfer path of reconstruction；
The end marker of the corresponding carrying of data transfer path of modification；
The information of the service network of the UE access；
The information of general packet radio service agreement-C tunnel GTP-C Tunnel；
The information of S5/S8Interface；
The type of public data network PDN；
The attribute of increased carrying；
The attribute of the carrying of reconstruction；
The attribute of the carrying of modification.
First response message includes following at least one information：
The confirmation message of the data transfer path；
The corresponding mark for transmitting tunnel of the data transfer path；
The corresponding carrying mark of the data transfer path.
First request message is to re-establish session request Re-Create Session Request；Or
Change session request Modify Session Request；
First response message is to re-establish conversational response Re-Create Session Response；Or
Change conversational response Modify Session Response.
A kind of first equipment, including：
Obtaining unit, the data transfer path for obtaining user equipment (UE) or carrying modification information；
Transmission unit, for send the first request message, if wherein the first equipment obtain UE data transfer path when, institute
State the first request message for ask the modification transmission path；
If the first equipment obtains the carrying modification information of UE, first request message is held for asking described in modification
It carries；
Receiving unit, for receiving the first response message corresponding with first request message.
The obtaining unit is specifically used for obtaining increase data transfer path；Or
Obtain the data transfer path of modification.
The obtaining unit is specifically used for obtaining increased carrying；Or
Obtain the carrying of modification.
The transmission unit, first request message of transmission include specifically it is following in one kind：
First request message increases for asking to increase to build in the data transfer path or the data transfer path
The corresponding carrying in part；
First request message rebuilds the corresponding carrying of the data transfer path for asking；
First request message changes the corresponding carrying of the data transfer path for asking；
First request message builds the corresponding carrying in increased part in the data transfer path for asking to increase；
First request message rebuilds increased data transmission route path portion in the data transfer path for asking
Corresponding carrying；
First request message is used to ask to change the data transmission route path portion changed in the data transfer path
Corresponding carrying.
The transmission unit is additionally operable to send the second request message, and second request message is held for asking existing
On the basis of load, establish and increased data transmission route path portion pair in the data transfer path or the data transfer path
The carrying answered.
The receiving unit is specifically used for receiving the first response message that the second equipment is sent, wherein first response
Message is that second equipment is establishing the data transfer path, or
It is sent after the corresponding carrying in transmission path part that second equipment is changed in the data transfer path
Message.
Include following at least one information in first request message that the receiving unit receives：
The mark of the UE；
The access network information of the UE；
Increased carrying mark；
The carrying mark of reconstruction；
The carrying mark of modification；
The end marker of the corresponding carrying of increased data transfer path；
The end marker of the corresponding carrying of data transfer path of reconstruction；
The end marker of the corresponding carrying of data transfer path of modification；
The information of the service network of the UE access；
The information of general packet radio service agreement-C tunnel GTP-C Tunnel；The information of S5/S8Interface；
The type of public data network PDN；
The attribute of increased carrying；
The attribute of the carrying of reconstruction；
The attribute of the carrying of modification.
First response message of the receiving unit, reception includes following at least one information：
The confirmation message of the data transfer path；
The corresponding mark for transmitting tunnel of the data transfer path；
The corresponding carrying mark of the data transfer path.
First request message that the transmission unit is sent is to re-establish session request Re-Create Session
Request；
Or
Change session request Modify Session Request；
First response message is to re-establish conversational response Re-Create Session Response；Or
Change conversational response Modify Session Response.
A kind of second equipment, including：
Receiving unit, for receive the first request message, if wherein the first equipment obtain UE data transfer path when, institute
State the first request message for ask the modification transmission path；It is described if the first equipment obtains the carrying modification information of UE
First request message changes the carrying for asking；
Transmission unit, for sending the first response message corresponding with first request message, wherein first sound
It is the transmission path that second equipment is changed in establishing the data transfer path or the data transfer path to answer message
The message sent after the corresponding carrying in part.
First request message of the receiving unit, reception includes specifically following middle one kind：
First request message increases for asking to increase to build in the data transfer path or the data transfer path
The corresponding carrying in part；
First request message rebuilds the corresponding carrying of the data transfer path for asking；
First request message changes the corresponding carrying of the data transfer path for asking；
First request message builds the corresponding carrying in increased part in the data transfer path for asking to increase；
First request message rebuilds increased data transmission route path portion in the data transfer path for asking
Corresponding carrying；
First request message is used to ask to change the data transmission route path portion changed in the data transfer path
Corresponding carrying.
Further include：
Obtaining unit, in first request message, obtaining the data transfer path with user equipment (UE) or holding
Carry modification information.
The obtaining unit is specifically used for obtaining increase data transfer path；Or obtain the data transfer path of modification.
The obtaining unit is specifically used for obtaining carrying to be increased；Or obtain carrying to be modified.
The receiving unit is additionally operable to receive the second request message, and second request message is held for asking existing
On the basis of load, establish and increased data transmission route path portion pair in the data transfer path or the data transfer path
The carrying answered；Establish carrying corresponding with second request message；
The transmission unit is additionally operable to send the second request response, wherein the second request response is described for notifying
The carrying of first equipment, which is established, to be completed.
The receiving unit includes following at least one information in first request message received：
The mark of the UE；
The access network information of the UE；
Increased carrying mark；
Rebuild carrying mark；
The carrying mark of modification；
The end marker of the corresponding carrying of increased data transfer path；
The end marker of the corresponding carrying of data transfer path of reconstruction；
The end marker of the corresponding carrying of data transfer path of modification；
The information of the service network of the UE access；
The information of general packet radio service agreement-C tunnel GTP-C Tunnel；
The information of S5/S8Interface；
The type of public data network PDN；
The attribute of increased carrying；
The attribute of the carrying of reconstruction；
The attribute of the carrying of modification.
The first response message that the transmission unit is sent includes following at least one information：
The confirmation message of the data transfer path；
The corresponding mark for transmitting tunnel of the data transfer path；
The corresponding carrying mark of the data transfer path.
First request message that the receiving unit receives is to re-establish session request Re-Create Session
Request；
Or modification session request Modify Session Request；
First response message that the transmission unit is sent is to re-establish conversational response Re-Create Session
Response；Or modification conversational response Modify Session Response.
By using above-mentioned technical proposal, the data transfer path or carrying modification information of UE are obtained, the first request is sent
Message, the first request message increases or changes the corresponding carrying of the transmission path for asking, and receives the first request message
Corresponding first response message, to solve the problem of that across L-GW mobility cannot keep IP continuity in local shunt.
Description of the drawings
Fig. 1 is data distribution network system architecture figure；
Fig. 2 a are that one of system architecture diagram is established in carrying in data distribution network；
Fig. 2 b are that carrying establishes the two of system architecture diagram in data distribution network；
Fig. 3 is carrying establishing method flow chart in the data distribution network that the embodiment of the present invention one proposes；
Fig. 4 is carrying establishing method flow chart in the data distribution network that the embodiment of the present invention two proposes；
Fig. 5 is carrying establishing method flow chart in the data distribution network that the embodiment of the present invention three proposes；
Fig. 6 is carrying establishing method flow chart in the data distribution network that the embodiment of the present invention four proposes；
Fig. 7 is carrying establishing method flow chart in the data distribution network that the embodiment of the present invention four proposes；
Fig. 8~Fig. 9 is that apparatus structure composition signal is established in carrying in the data distribution network that the embodiment of the present invention five proposes
Figure.
Specific implementation mode
For there is presently no a kind of effective modes, across L-GW mobility in local shunting is solved, IP companies are cannot keep
The problem of continuous property, in technical solution proposed by the present invention, by the increased data transfer path of determination, and sends and transmission path
Corresponding first request message establishes carrying corresponding with the data transfer path, to solve across L-GW shifting in local shunt
The problem of moving property, cannot keep IP continuity.
For ease of illustrating, in the technical solution that various embodiments of the present invention propose, source base station and target are made to each base station
The differentiation of base station, wherein source base station is the base station that UE is currently accessed, and target BS is the base station that UE will be accessed, correspondingly, right
The differentiation of source L-GW and target L-GW are also made in L-GW.It repeats no more hereinafter.
Below in conjunction with each attached drawing to the main realization principle of technical solution of the embodiment of the present invention, specific implementation mode and
Its advantageous effect corresponding to reach is set forth in.
As shown in Figure 2 a and 2 b, system schematic is established in carrying in the data distribution network that the embodiment of the present invention proposes,
Within the system, include mainly L-GW, evolved base station (evolved Node B, eNB), gateway (Serving
GateWay, SGW), mobile management entity (Mobility Management Entity, MME), the system tray shown in Fig. 2 a
In structure, two independent network entities are used as between L-GW and eNB, and in figure 2b, an independence is used as between L-GW and eNB
Network entity in two modules exist.
Embodiment one
In the technical solution proposed based on system architecture shown in Fig. 2 a and Fig. 2 b, the embodiment of the present invention one, such as Fig. 3 institutes
Show, specific process flow is for example following：
301, the first equipment obtains the data transfer path or carrying modification information of UE.
First equipment obtains UE increased data transfer paths due to change in location in local current-dividing network.
Specifically, in the technical solution that the embodiment of the present invention proposes, the first equipment, which obtains, increases data transfer path；Or
First equipment obtains the data transfer path of modification.
Specifically, carrying modification information includes the increase or change of data transfer path or carrying, in the embodiment of the present invention
In the technical solution of proposition, the first equipment obtains the carrying modification information of UE, including the first equipment obtains increased carrying；Or the
One equipment obtains the carrying of modification.
302, the first equipment sends the first request message.
Wherein, the first request message increases or changes transmission path for asking, or request increases or modification carrying.
In the technical solution that the embodiment of the present invention proposes, if the data transfer path of the first equipment acquisition UE, first
The corresponding carrying of data transfer path that request message is used to ask to increase the acquisition, if the first equipment obtains the carrying change of UE
Information, then the first request message is for changing the corresponding carrying of the data transfer path.
Specifically, the first request message specifically include it is following in one kind：
The first：First request message is right for asking increasing to build increase part in the defeated path of biography data or data transfer path
The carrying answered.
Second：First request message rebuilds the corresponding carrying of data transfer path for asking.
The third：First request message is for asking the corresponding carrying of modification data transfer path.
4th kind：First request message builds the corresponding carrying in increased part in data transfer path for asking to increase.
5th kind：First request message is corresponding for asking to rebuild increased transmission path part in data transfer path
Carrying.
6th kind：First request message is used to ask the transmission path part changed in modification data transfer path corresponding
Carrying.
Include following at least one information in first request message：
(1) mark of UE.
The mark of UE can be international mobile subscriber identity (International Mobile Subscriber
Identification Number, IMSI), mobile subscriber's international number (Mobile Subscriber International
ISDN/PSTN number, MSISDN), international mobile equipment identity (International Mobile Equipment
Identity, IMEI), user's local information (User Location Information, ULI).
(2) access network information of UE.
For example, it may be the communication network standard etc. of UE access.
(3) increased carrying mark.
Carrying (Bearer) mark (EPS Bearer ID, EBI) built will be increased.
(4) the carrying mark rebuild.
(5) the carrying mark changed.
(6) end marker of the corresponding carrying of increased data transfer path.
End marker can be task (Target) L-GW) or S-GW or source (Source) L-GW
(7) end marker for the corresponding carrying of data transfer path rebuild.
(8) end marker for the corresponding carrying of data transfer path changed.
(9) information of the service network of UE access.
Including mobile national node (Mobile Country Code, MCC), mobile network node (Mobile Network
Code, MNC) etc..
(10) information of the tunnels general packet radio service agreement-C (GTP-C Tunnel).
Can include MME F-TEID.
(11) information of S5/S8 interfaces (Interface).
Address including protocol type (GTP-C), the address of public data network (PDN), PDN is included in PDN F-TEID
It is interior.
(12) type of PDN.
Such as the type of PDN is IPV4, IPV6 or IPV4, IPV6 etc..
(13) attribute of increased carrying.
Such as QoS, APN-AMBR etc..
(14) attribute for the carrying rebuild.
(15) attribute for the carrying changed.
303, the second equipment receives the first request message that the first equipment is sent.
304, the second equipment obtains and the data transfer path of UE or carrying modification information in the first request message.
305, the second equipment sends the first response message corresponding with the first request message to the first equipment.
First response message is the transmission road that the second equipment is changed in establishing data transfer path or data transfer path
The message sent after the corresponding carrying of path portion.
306, the first equipment when receiving the first response message corresponding with the first request message, hold by the transmission of the first equipment
It carries and establishes request.
Wherein carrying establishes request and establishes carrying corresponding with increased data transfer path for request target base station.
In above-mentioned 305-306, the first response message includes following at least one information：
1) confirmation message of increased data transfer path.
2) mark in the corresponding transmission tunnel of increased data transfer path.
3) the corresponding carrying mark of increased data transfer path.
307, the second equipment receives the first equipment and sends carrying foundation request.
308, the second equipment establishes request according to carrying, establishes carrying corresponding with increased data transfer path.
309, the second equipment sends carrying and establishes response.
Wherein carrying is established response and is completed for notifying the carrying of the first equipment to establish.
410, the first equipment receives what the second equipment was sent after establishing the corresponding carrying of increased data transfer path
Response is established in carrying.
In the technical solution set forth above of the embodiment of the present invention one, the first request message can re-establish session to ask
(Re-Create Session Request) is asked, the first response message can re-establish conversational response (Re-Create
Session Response)。
Optionally, in above method flow, can also include：
First equipment sends the second request message, wherein the second request message is used to ask on the basis of existing carrying,
Establish carrying corresponding with increased transmission path part in data transfer path or data transfer path.
Second equipment receives the second request message.Second equipment establishes corresponding with the second request message carrying, transmission the
Two request responses.
Wherein second request response is completed for notifying the carrying of the first equipment to establish.
Embodiment two
In the technical solution proposed based on system architecture shown in Fig. 2 a and Fig. 2 b, the embodiment of the present invention one, such as Fig. 4 institutes
Show, specific process flow is for example following：
401, the second equipment obtains UE increased data transfer paths due to change in location in local current-dividing network.
402, the second equipment is sent to source local gateway for asking the existing carrying to the data transfer path to carry out
Second request message of modification.
Include following at least one information in wherein the second request message：
(1) mark of UE.
The mark of UE can be international mobile subscriber identity (International Mobile Subscriber
Identification Number, IMSI), mobile subscriber's international number (Mobile Subscriber International
ISDN/PSTN number, MSISDN), international mobile equipment identity (International Mobile Equipment
Identity, IMEI), user's local information (User Location Information, ULI).
(2) access network information of UE.
For example, it may be the communication network standard etc. of UE access.
(3) increased carrying mark.
Carrying (Bearer) mark (EPS Bearer ID, EBI) built will be increased.
(4) the carrying mark rebuild.
(5) the carrying mark changed.
(6) end marker of the corresponding carrying of increased data transfer path.
End marker can be task (Target) L-GW) or S-GW or source (Source) L-GW
(7) end marker for the corresponding carrying of data transfer path rebuild.
(8) end marker for the corresponding carrying of data transfer path changed.
(9) information of the service network of UE access.
Including mobile national node (Mobile Country Code, MCC), mobile network node (Mobile Network
Code, MNC) etc..
(10) information of the tunnels general packet radio service agreement-C (GTP-C Tunnel).
Can include MME F-TEID.
(11) information of S5/S8 interfaces (Interface).
Address including protocol type (GTP-C), the address of public data network (PDN), PDN is included in PDN F-TEID
It is interior.
(12) type of PDN.
Such as the type of PDN is IPV4, IPV6 or IPV4, IPV6 etc..
(13) attribute of increased carrying.
Such as QoS, APN-AMBR etc..
(14) attribute for the carrying rebuild.
(15) attribute for the carrying changed.
403, what source base station the second equipment of reception was sent is used to that the existing carrying to the data transfer path to be asked to carry out
Second request message of modification.
404, source base station sends the second response message to the second equipment.
405, the second equipment is when receiving the second response message corresponding with the second request message, triggering the first equipment hair
Carrying is sent to establish request.
Wherein carrying establishes request and establishes carrying corresponding with increased data transfer path for request target base station.
Second response message includes following at least one information：
1) confirmation message of increased data transfer path.
2) mark in the corresponding transmission tunnel of increased data transfer path.
3) the corresponding carrying mark of increased data transfer path.
In the technical solution set forth above of the embodiment of the present invention two, the second request message is modification session request
(Modity Session Request), the second response message are modification conversational responses (Modity Session Response).
Embodiment three
Based on system architecture shown in Fig. 2 a and Fig. 2 b, it is assumed that be used as carrying intermediary node by increasing S-GW, keep APN
(L-GW), original is carried as：UE --- Target eNB --- Target L-GW, bearer update path is：UE——Target
eNB——Target L-GW——S-GW——Source L-GW.The embodiment of the present invention three proposes a kind of data distribution network
Middle carrying establishing method, as shown in figure 5, its specific process flow is for example following：
501, Source (H) eNB determine triggering S1 resettings.
502, Source (H) eNB send switching demand (Handover Required).
In Handover Required, including carrying path is L-GW to TEIDs for Sxx).
Wherein Sxx can be the mark of gateway.
503, MME send switching request (Handover Request) to Source (H) eNB.
The TEIDs of mark and Sxx comprising L-GW in Handover Request.Wherein Sxx can be gateway
Mark.
504, Source (H) eNB reply handoff response (Handover Request Ack).
Include the mark of Target L-GW in Handover Request Ack.
505, MME re-create session request (Re-Create Session Request) to Serving GW transmissions.
506, Serving GW send to Target L-GW and create session request (Create Session request).
Include transmission path target L-GW in Create Session request<->S-GW,Target L-GW
<->Target(H)eNB。
507, Target L-GW, which are replied, creates conversational response (Create Session response).
508, Serving GW send modification session request (Modity Session Request) to Source L-GW.
509, Source L-GW send Modity Session response to Serving GW.
510, Serving GW send Re-Create Session Response to MME.
511, MME send carrying to Target (H) eNB establishes request (Bearer Setup Request)
Include correlated identities (Correlation ID) in Bearer Setup Request.
512, MME send switching demand (Handover Command) to Source (H) eNB.
513, Source (H) eNB forward Handover Command to UE.
514, UE send switching to Target (H) eNB confirms (Handover confirm).
515, Target (H) eNB send switching notice (Handover Notify) to MME.
516, Target (H) eNB send load creating to MME and respond (Bearer Setup Response).
517, MME send Modity Session request to Serving GW.
518, Serving GW send Modity Session Response to MME.
519, Target (H) eNB send Create Session Request to Target L-GW.
Include Target (H) eNB and TEID in Create Session Request.
520, Target L-GW send Create Session Response to Target (H) eNB.
Include L-GW TEID in Create Session Response.
521, MME send UE contexts release request (UE Context Release to Source (H) eNB
Command)。
522, Source (H) eNB send the release of UE contexts to MME and complete (UE Context Release
Complete)。
Example IV
Based on system architecture shown in Fig. 2 a, APN (L-GW), the embodiment of the present invention four is kept to propose a kind of data distribution net
Carrying establishing method in network, original are carried as：UE --- Target eNB --- Target L-GW, bearer update path is：
UE——Target eNB——Source eNB——Source L-GW。
First way is that the carrying of Target eNB--Source eNB is established by X2 interface interaction.As shown in fig. 6,
Its specific process flow is for example following：
601, Source (H) eNB determine triggering X2 resettings.
602, by X2 interface, Source (H) eNB send Handover Requset to Target eNB.
Include to carry path as L-GW to TEIDs for Sxx in Handover Requset.
603, Target eNB send Handover Requset ACK by X2 interface to Source (H) eNB.
Include different L-GW in Handover Requset ACK.
604, Target eNB send Create Session Request to Source (H) eNB.
Include transmission path T (H) eNB in Create Session Request<->S(H)eNB.
605, Source (H) eNB send Handover Command to UE.
606, Source (H) eNB send Create Session response to Target (H) eNB.
Include TEID in Create Session response.
607, UE send Handover Confirm to Target (H) eNB.
608, Target (H) eNB exchange request or Modity Bearer request to MME transmitting pathes.
609, MME send Modity Bearer request to Serving GW.
Include increased add Target (H) Enb-Source eNb in Modity Bearer request.
610, Serving GW send Modity Bearer Response to MME.
611, MME exchange confirmation or Modity Bearer Response to Target (H) eNB transmitting pathes.
The second way is to establish Target eNB by S1 interactive interfacings --- the carrying of Source eNB.Such as Fig. 7 institutes
Show, specific process flow is for example following：
701, Source (H) eNB determine triggering S1 resettings.
702, by S1 interfaces, Source (H) eNB send Handover Requset to Target eNB.
Include to carry path as L-GW to TEIDs for Sxx in Handover Requset.
703, Target eNB send Handover Requset ACK by S1 interfaces to Source (H) eNB.
Include different L-GW in Handover Requset ACK.
705, Source (H) eNB send Handover Command to UE.
706, UE send Handover Confirm to Target (H) eNB.
707, Target (H) eNB exchange request or Modity Bearer request to MME transmitting pathes.
708, MME send Modity Bearer request to Serving GW.
Include increased add Target (H) Enb-Source eNb in Modity Bearer request.
709, Serving GW send Modity Bearer Response to MME.
710, MME exchange confirmation or Modity Bearer Response to Target (H) eNB transmitting pathes.
711, MME send Create Session Request to Target (H) eNB.
Include TEIDs in Create Session Request.
712, Target (H) eNB send Create Session Response to MME.
713, MME send Modity Bearer request to Source (H) eNB.
714, Source (H) eNB send Modity Bearer Response to MME.
Optionally, above-mentioned 610~611, it can also be following process flows：
710 ', Source (H) eNB send Create Bearer request to Target (H) eNB.
711 ', Target (H) eNB send Create Bearer Response to Source (H) eNB.
Embodiment five
The embodiment of the present invention five proposes a kind of first equipment, as shown in figure 8, including：
Obtaining unit 801, the data transfer path for obtaining user equipment (UE) or carrying modification information.
Transmission unit 802, for sending the first request message, wherein first request message increases or repaiies for asking
Change the transmission path, or request increases or change the carrying.
Receiving unit 803, for receiving the first response message corresponding with first request message.
Specifically, above-mentioned obtaining unit 801 is specifically used for obtaining increase data transfer path；Or obtain the data of modification
Transmission path.
Specifically, above-mentioned obtaining unit 801 is specifically used for obtaining increased carrying；Or obtain the carrying of modification.
Specifically, above-mentioned transmission unit 802, first request message of transmission include specifically it is following in one kind：Institute
State the first request message for ask increase and build the transmission path or in which the corresponding carrying in increase part.
First request message rebuilds the corresponding carrying of the transmission path for asking.
First request message changes the corresponding carrying of the transmission path for asking.
First request message builds in the transmission path that increased transmission path part is corresponding to hold for asking to increase
It carries.
For asking to rebuild in the transmission path, increased transmission path part is corresponding to hold first request message
It carries.
First request message is used to ask the transmission path part changed in the modification transmission path is corresponding to hold
It carries.
Optionally, above-mentioned transmission unit 802 is additionally operable to send the second request message, and second request message is for asking
It asks on the basis of existing carrying, establishes and increased transmission path in the data transfer path or the data transfer path
The corresponding carrying in part.
Specifically, above-mentioned receiving unit 803 is specifically used for receiving the first response message that the second equipment is sent, wherein institute
Second equipment described in when stating the first response message is changed in establishing the data transfer path or the data transfer path
The message sent after the corresponding carrying in transmission path part.
Specifically, following at least one information are included in first request message that above-mentioned receiving unit 803 receives：
The mark of the UE；
The access network information of the UE；
Increased carrying mark；
The carrying mark of reconstruction；
The carrying mark of modification；
The end marker of the corresponding carrying of increased data transfer path；
The end marker of the corresponding carrying of data transfer path of reconstruction；
The end marker of the corresponding carrying of data transfer path of modification；
The information of the service network of the UE access；
The information of general packet radio service agreement-C tunnel GTP-C Tunnel；
The information of S5/S8Interface；
The type of public data network PDN；
The attribute of increased carrying；
The attribute of the carrying of reconstruction；
The attribute of the carrying of modification.
Specifically, first response message of above-mentioned receiving unit 803, reception includes following at least one information：
The confirmation message of the data transfer path；
The corresponding mark for transmitting tunnel of the data transfer path；
The corresponding carrying mark of the data transfer path.
Specifically, first request message that above-mentioned transmission unit 802 is sent is to re-establish session request Re-
Create Session Request；Or modification session request Modify Session Request；First response message
It is to re-establish conversational response Re-Create Session Response；Or modification conversational response Modify Session
Response。
Correspondingly, the embodiment of the present invention five also proposes a kind of second equipment, as shown in figure 9, including：
Receiving unit 901, for receiving the first request message, wherein first request message increases or repaiies for asking
Change the transmission path, or request increases or change the carrying.
Transmission unit 902, for sending the first response message corresponding with first request message, wherein described first
Response message is the transmission road that second equipment is changed in establishing the data transfer path or the data transfer path
The message sent after the corresponding carrying of path portion.
Specifically, first request message of above-mentioned receiving unit 901, reception includes specifically following middle one kind：
First request message builds the corresponding carrying of the transmission path or in which increase part for asking to increase.
First request message rebuilds the corresponding carrying of the transmission path for asking.
First request message changes the corresponding carrying of the transmission path for asking.
First request message builds in the transmission path that increased transmission path part is corresponding to hold for asking to increase
It carries.
For asking to rebuild in the transmission path, increased transmission path part is corresponding to hold first request message
It carries.
First request message is used to ask the transmission path part changed in the modification transmission path is corresponding to hold
It carries.
Optionally, further include：
Obtaining unit, in first request message, obtaining the data transfer path with user equipment (UE) or holding
Carry modification information.
Specifically, above-mentioned obtaining unit is specifically used for obtaining increase data transfer path；Or obtain the data transmission of modification
Path.
Specifically, above-mentioned obtaining unit is specifically used for obtaining carrying to be increased；Or obtain carrying to be modified.
Specifically, above-mentioned receiving unit 901 is additionally operable to receive the second request message, and second request message is for asking
It asks on the basis of existing carrying, establishes and increased transmission path in the data transfer path or the data transfer path
The corresponding carrying in part；Establish carrying corresponding with second request message；
Optionally, above-mentioned transmission unit 902 is additionally operable to send the second request response, wherein the second request response is used
It is completed in notifying the first equipment carrying to establish.
Specifically, above-mentioned receiving unit 901 at least one is believed comprising following in first request message received
Breath：
The mark of the UE；
The access network information of the UE；
Increased carrying mark；
Rebuild carrying mark；
The carrying mark of modification；
The end marker of the corresponding carrying of increased data transfer path；
The end marker of the corresponding carrying of data transfer path of reconstruction；
The end marker of the corresponding carrying of data transfer path of modification；
The information of the service network of the UE access；
The information of general packet radio service agreement-C tunnel GTP-C Tunnel；
The information of S5/S8Interface；
The type of public data network PDN；
The attribute of increased carrying；
The attribute of the carrying of reconstruction；
The attribute of the carrying of modification.
Specifically, the first response message that above-mentioned transmission unit 902 is sent includes following at least one information：
The confirmation message of the data transfer path；
The corresponding mark for transmitting tunnel of the data transfer path；
The corresponding carrying mark of the data transfer path.
Specifically, first request message that above-mentioned receiving unit 901 receives is to re-establish session request Re-
Create Session Request；Or modification session request Modify Session Request；The transmission unit is sent
First response message be to re-establish conversational response Re-Create Session Response；Or modification conversational response
Modify Session Response。
It will be understood by those skilled in the art that the embodiment of the present invention can be provided as method, apparatus (equipment) or computer
Program product.Therefore, in terms of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and hardware
Embodiment form.Moreover, the present invention can be used in one or more wherein include computer usable program code meter
The computer implemented in calculation machine usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of program product.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow chart of device (equipment) and computer program product
And/or block diagram describes.It should be understood that each flow in flowchart and/or the block diagram can be realized by computer program instructions
And/or the combination of the flow and/or box in box and flowchart and/or the block diagram.These computer programs can be provided to refer to
Enable the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to generate
One machine so that by the instruction that computer or the processor of other programmable data processing devices execute generate for realizing
The device for the function of being specified in one flow of flow chart or multiple flows and/or one box of 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.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (36)
1. carrying establishing method in a kind of data distribution network, which is characterized in that including：
First equipment obtains the data transfer path or carrying modification information of user equipment (UE)；
First equipment sends the first request message, if wherein when the first equipment obtains the data transfer path of UE, described the
One request message changes the transmission path for asking；If the first equipment obtains the carrying modification information of UE, described first
Request message changes the carrying for asking；
First equipment receives the first response message corresponding with first request message.
2. the method as described in claim 1, which is characterized in that the first equipment obtains the data transfer path of user equipment (UE),
Including：
First equipment, which obtains, increases data transfer path；Or
First equipment obtains the data transfer path of modification.
3. the method as described in claim 1, which is characterized in that the first equipment obtains the carrying modification information of UE, including：
First equipment obtains increased carrying；Or
First equipment obtains the carrying of modification.
4. the method as described in claim 1, which is characterized in that first equipment sends the first request message, includes specifically
One kind in following：
First request message increases part for asking to increase to build in the data transfer path or the data transfer path
Corresponding carrying；
First request message rebuilds the corresponding carrying of the data transfer path for asking；
First request message changes the corresponding carrying of the data transfer path for asking；
First request message builds the corresponding carrying in increased part in the data transfer path for asking to increase；
First request message is corresponded to for asking to rebuild increased data transmission route path portion in the data transfer path
Carrying；
First request message is used to ask to change the data transmission route path portion changed in the data transfer path and corresponds to
Carrying.
5. the method as described in Claims 1 to 4 is any, which is characterized in that further include：
The second request message is sent, second request message is established and the number for asking on the basis of existing carrying
According to the corresponding carrying of increased data transmission route path portion in transmission path or the data transfer path.
6. the method as described in Claims 1 to 4 is any, which is characterized in that first equipment is received asks with described first
Corresponding first response message of message, including：
First equipment receives the first response message that the second equipment is sent, wherein first response message is described second
Equipment is in the transmission path portion for establishing the data transfer path or second equipment is changed in the data transfer path
Divide the message sent after corresponding carrying.
7. the method as described in Claims 1 to 4 is any, which is characterized in that in first request message comprising it is following at least
A kind of information：
The mark of the UE；
The access network information of the UE；
Increased carrying mark；
The carrying mark of reconstruction；
The carrying mark of modification；
The end marker of the corresponding carrying of increased data transfer path；
The end marker of the corresponding carrying of data transfer path of reconstruction；
The end marker of the corresponding carrying of data transfer path of modification；
The information of the service network of the UE access；
The information of general packet radio service agreement-C tunnel GTP-C Tunnel；
The information of S5/S8 Interface；
The type of public data network PDN；
The attribute of increased carrying；
The attribute of the carrying of reconstruction；
The attribute of the carrying of modification.
8. the method as described in Claims 1 to 4 is any, which is characterized in that first response message includes following at least one
Kind information：
The confirmation message of the data transfer path；
The corresponding mark for transmitting tunnel of the data transfer path；
The corresponding carrying mark of the data transfer path.
9. the method as described in Claims 1 to 4 is any, which is characterized in that first request message is to re-establish session
Ask Re-Create Session Request；Or modification session request Modify Session Request；
First response message is to re-establish conversational response Re-Create Session Response；Or modification session is rung
Answer Modify Session Response.
10. carrying establishing method in a kind of data distribution network, which is characterized in that including：
Second equipment receives the first request message, if wherein when the first equipment obtains the data transfer path of UE, described first asks
Ask message for ask the modification transmission path；If the first equipment obtains the carrying modification information of UE, first request
Message changes the carrying for asking；
Second equipment sends the first response message corresponding with first request message, wherein first response message
It is the transmission path part pair that second equipment is changed in establishing the data transfer path or the data transfer path
The message sent after the carrying answered.
11. method as claimed in claim 10, which is characterized in that the second equipment receives the first request message, and described first asks
It includes following middle one kind to seek message specifically：
First request message increases part for asking to increase to build in the data transfer path or the data transfer path
Corresponding carrying；
First request message rebuilds the corresponding carrying of the data transfer path for asking；
First request message changes the corresponding carrying of the data transfer path for asking；
First request message builds the corresponding carrying in increased part in the data transfer path for asking to increase；
First request message is corresponded to for asking to rebuild increased data transmission route path portion in the data transfer path
Carrying；
First request message is used to ask to change the data transmission route path portion changed in the data transfer path and corresponds to
Carrying.
12. method as claimed in claim 10, which is characterized in that described after the second equipment receives the first request message
Before second equipment sends the first response message corresponding with first request message, further include：
Second equipment is obtained and is changed with the data transfer path of user equipment (UE) or carrying in first request message
Information.
13. method as claimed in claim 12, which is characterized in that the data transfer path with user equipment (UE) is obtained, including：
It obtains and increases data transfer path；Or
Obtain the data transfer path of modification.
14. method as claimed in claim 12, which is characterized in that carrying modification information is obtained, including：
Obtain carrying to be increased；Or
Obtain carrying to be modified.
15. the method as described in claim 10~14 is any, which is characterized in that further include：
The second request message is received, second request message is established and the number for asking on the basis of existing carrying
According to the corresponding carrying of increased data transmission route path portion in transmission path or the data transfer path；
Establish carrying corresponding with second request message；
The second request response is sent, wherein the second request response is completed for notifying the first equipment carrying to establish.
16. the method as described in claim 10~14 is any, which is characterized in that in first request message comprising it is following extremely
A kind of few information：
The mark of the UE；
The access network information of the UE；
Increased carrying mark；
Rebuild carrying mark；
The carrying mark of modification；
The end marker of the corresponding carrying of increased data transfer path；
The end marker of the corresponding carrying of data transfer path of reconstruction；
The end marker of the corresponding carrying of data transfer path of modification；
The information of the service network of the UE access；
The information of general packet radio service agreement-C tunnel GTP-C Tunnel；
The information of S5/S8 Interface；
The type of public data network PDN；
The attribute of increased carrying；
The attribute of the carrying of reconstruction；
The attribute of the carrying of modification.
17. the method as described in claim 10~14 is any, which is characterized in that first response message include it is following at least
A kind of information：
The confirmation message of the data transfer path；
The corresponding mark for transmitting tunnel of the data transfer path；
The corresponding carrying mark of the data transfer path.
18. the method as described in claim 10~14 is any, which is characterized in that first request message is to re-establish meeting
Words request Re-Create Session Request；Or modification session request Modify Session Request；
First response message is to re-establish conversational response Re-Create Session Response；Or modification session is rung
Answer Modify Session Response.
19. a kind of first equipment, which is characterized in that including：
Obtaining unit, the data transfer path for obtaining user equipment (UE) or carrying modification information；
Transmission unit, for sending the first request message, if wherein when the first equipment obtains the data transfer path of UE, described the
One request message changes the transmission path for asking；If the first equipment obtains the carrying modification information of UE, described first
Request message changes the carrying for asking；
Receiving unit, for receiving the first response message corresponding with first request message.
20. the first equipment as claimed in claim 19, which is characterized in that the obtaining unit is specifically used for obtaining increase number
According to transmission path；Or obtain the data transfer path of modification.
21. the first equipment as claimed in claim 19, which is characterized in that the obtaining unit is specifically used for obtaining increased
Carrying；Or obtain the carrying of modification.
22. the first equipment as claimed in claim 19, which is characterized in that the transmission unit, first request of transmission
Message specifically include it is following in one kind：
First request message increases part for asking to increase to build in the data transfer path or the data transfer path
Corresponding carrying；
First request message rebuilds the corresponding carrying of the data transfer path for asking；
First request message changes the corresponding carrying of the data transfer path for asking；
First request message builds the corresponding carrying in increased part in the data transfer path for asking to increase；
First request message is corresponded to for asking to rebuild increased data transmission route path portion in the data transfer path
Carrying；
First request message is used to ask to change the data transmission route path portion changed in the data transfer path and corresponds to
Carrying.
23. the first equipment as described in claim 19~22 is any, which is characterized in that the transmission unit is additionally operable to send
Second request message, second request message are established and the data transmission route for asking on the basis of existing carrying
The corresponding carrying of increased data transmission route path portion in diameter or the data transfer path.
24. the first equipment as described in claim 19~22 is any, which is characterized in that the receiving unit, specifically for connecing
The first response message for receiving the transmission of the second equipment, wherein first response message, which is second equipment, is establishing the data
It is sent out after the corresponding carrying in transmission path part that transmission path or second equipment are changed in the data transfer path
The message sent.
25. the first equipment as described in claim 19~22 is any, which is characterized in that the receiving unit receive described the
Include following at least one information in one request message：
The mark of the UE；
The access network information of the UE；
Increased carrying mark；
The carrying mark of reconstruction；
The carrying mark of modification；
The end marker of the corresponding carrying of increased data transfer path；
The end marker of the corresponding carrying of data transfer path of reconstruction；
The end marker of the corresponding carrying of data transfer path of modification；
The information of the service network of the UE access；
The information of general packet radio service agreement-C tunnel GTP-C Tunnel；
The information of S5/S8 Interface；
The type of public data network PDN；
The attribute of increased carrying；
The attribute of the carrying of reconstruction；
The attribute of the carrying of modification.
26. the first equipment as described in claim 19~22 is any, which is characterized in that the receiving unit, reception it is described
First response message includes following at least one information：
The confirmation message of the data transfer path；
The corresponding mark for transmitting tunnel of the data transfer path；
The corresponding carrying mark of the data transfer path.
27. the first equipment as described in claim 19~22 is any, which is characterized in that the transmission unit send described the
One request message is to re-establish session request Re-Create Session Request；Or modification session request Modify
Session Request；First response message is to re-establish conversational response Re-Create Session Response；
Or modification conversational response Modify Session Response.
28. a kind of second equipment, which is characterized in that including：
Receiving unit, for receiving the first request message, if wherein when the first equipment obtains the data transfer path of UE, described the
One request message changes the transmission path for asking；If the first equipment obtains the carrying modification information of UE, described first
Request message changes the carrying for asking；
Transmission unit, for sending the first response message corresponding with first request message, wherein first response disappears
Breath is the transmission path part that second equipment is changed in establishing the data transfer path or the data transfer path
The message sent after corresponding carrying.
29. the second equipment as described in claim 287, which is characterized in that the receiving unit, first request of reception
Message includes specifically following middle one kind：
First request message increases part for asking to increase to build in the data transfer path or the data transfer path
Corresponding carrying；
First request message rebuilds the corresponding carrying of the data transfer path for asking；
First request message changes the corresponding carrying of the data transfer path for asking；
First request message builds the corresponding carrying in increased part in the data transfer path for asking to increase；
First request message is corresponded to for asking to rebuild increased data transmission route path portion in the data transfer path
Carrying；
First request message is used to ask to change the data transmission route path portion changed in the data transfer path and corresponds to
Carrying.
30. the second equipment as claimed in claim 28, which is characterized in that further include：
Obtaining unit, in first request message, obtaining and becoming with the data transfer path of user equipment (UE) or carrying
More information.
31. the second equipment as claimed in claim 30, which is characterized in that the obtaining unit is specifically used for obtaining increase number
According to transmission path；Or obtain the data transfer path of modification.
32. the second equipment as claimed in claim 30, which is characterized in that the obtaining unit is specifically used for obtaining to be increased
Carrying；Or obtain carrying to be modified.
33. the second equipment as described in claim 28~31 is any, which is characterized in that the receiving unit is additionally operable to receive
Second request message, second request message are established and the data transmission route for asking on the basis of existing carrying
The corresponding carrying of increased data transmission route path portion in diameter or the data transfer path；It establishes and second request message
Corresponding carrying；
The transmission unit is additionally operable to send the second request response, wherein the second request response is for notifying described first
Equipment carrying, which is established, to be completed.
34. the second equipment as described in claim 28~31 is any, which is characterized in that the receiving unit, the institute received
It states in the first request message comprising following at least one information：
The mark of the UE；
The access network information of the UE；
Increased carrying mark；
Rebuild carrying mark；
The carrying mark of modification；
The end marker of the corresponding carrying of increased data transfer path；
The end marker of the corresponding carrying of data transfer path of reconstruction；
The end marker of the corresponding carrying of data transfer path of modification；
The information of the service network of the UE access；
The information of general packet radio service agreement-C tunnel GTP-C Tunnel；
The information of S5/S8 Interface；
The type of public data network PDN；
The attribute of increased carrying；
The attribute of the carrying of reconstruction；
The attribute of the carrying of modification.
35. the second equipment as described in claim 28~31 is any, which is characterized in that the first sound that the transmission unit is sent
It includes following at least one information to answer message：
The confirmation message of the data transfer path；
The corresponding mark for transmitting tunnel of the data transfer path；
The corresponding carrying mark of the data transfer path.
36. the second equipment as described in claim 28~31 is any, which is characterized in that the receiving unit receive described the
One request message is to re-establish session request Re-Create Session Request；Or modification session request Modify
Session Request；First response message that the transmission unit is sent is to re-establish conversational response Re-Create
Session Response；Or modification conversational response Modify Session Response.
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Cited By (1)
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| WO2021098532A1 (en) * | 2019-11-18 | 2021-05-27 | 华为技术有限公司 | Data processing method and related device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021098532A1 (en) * | 2019-11-18 | 2021-05-27 | 华为技术有限公司 | Data processing method and related device |
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