CN103888996A - PDN connection processing method and device - Google Patents
PDN connection processing method and device Download PDFInfo
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- CN103888996A CN103888996A CN201210558339.4A CN201210558339A CN103888996A CN 103888996 A CN103888996 A CN 103888996A CN 201210558339 A CN201210558339 A CN 201210558339A CN 103888996 A CN103888996 A CN 103888996A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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Abstract
The invention provides a PDN connection processing method and a device. The method comprises steps that: PDN connection of multiple packet data networks is established; an identifier only through which a single PDN connection can be identified is packaged in a data message. The method solves a problem that multiple PDN connection data can not be effectively distinguished under the MUPSAP condition in the prior art, and can distinguish the PDN connection corresponding to the data messages.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of PDN connection processing method and device.
Background technology
Along with fast development and the people of mobile communication technology are more and more higher to the requirement of high-speed data service, HRPD (high rate packet data) (High Rate Packet Data, referred to as HRPD) network is in continuous evolution.In order to realize and to strengthen universal land radio access web (Enhanced Universal Terrestrial Radio Access Network, referred to as E-UTRAN) interoperability, HRPD is evolved to evolution high-speed packet data network (Evolved High Rate Packet Data, referred to as eHRPD).
Fig. 1 is according to interoperability configuration diagram between the eHRPD of correlation technique and E-UTRAN, as shown in Figure 1, wherein, eHRPD100 network is made up of following network element: Access Network 102 (the Evolved Access Network of evolution, referred to as eAN), Packet Control Function 104 (the Evolved Packet Control Function of evolution, referred to as ePCF), high-speed packet data service gateway 106 (HRPD Serving Gateway, referred to as HSGW), HRPD base station 108(HRPD BaseTransceiver Station, be called for short HRPD BTS), 3GPP authentication, mandate and accounting server are acted on behalf of 110(3GPP2Authentication Authorization andAccounting, be called for short 3GPP2AAAProxy), Access Network authentication, mandate and accounting server are acted on behalf of 112(Access NetworkAuthenticationAuthorization andAccounting, be called for short AN-AAA) and first user equipment 114 (User Equipment, be called for short UE) etc., wherein, E-UTRAN200 network is made up of following network element: Mobility Management Entity 202 (Mobility Management Entity, referred to as MME), packet data network gateway 204 (Packet Data Network Gateway, referred to as PGW), gateway 206 (Serving Gateway, referred to as SGW), E-TURAN base station (being called for short eNodeB) 208, policy control and charging rule functions logic entity 210(Policyand Charging Rules Function, referred to as PCRF), home subscriber server 212(Home Subscriber Server, referred to as HSS), UE216, 3GPP authentication, authorize and accounting server 218(3GPP Authentication Authorization and Accounting, be called for short 3GPPAAA Server), IP operation 214(Operator ' the s IP Services of operator) such as IP multimedia subsystem, IMS (IP multimedia subsystem, be called for short IMS) or packet switching service (Packet Switching Service, be called for short PSS).
EHRPD is wireless to original HRPD, packet core network has been carried out increased functionality.In addition, eHRPD also brings a series of new features, as multi-grouping data network (Packet Data Network, referred to as PDN) support, load multiplexing, network side initiating QoS (Quality ofService, referred to as QoS), single many PDN(Multiple of APN PDN Connections to A Single APN, referred to as MUPSAP etc.
In eHRPD network, MUPSAP function allows UE to set up multiple PDN and is connected to an APN, but the user data message of main business connection at present and auxiliary service connection is all procotol (the Vendor Specific Network Protocol that adopts equipment vendor's definition, be called for short VSNP) encapsulation or point-to-point protocol-High-Level Data Link Control (Point to Point Protocol-High Level Data Link Control, be called for short PPP-HDLC) encapsulation, and all only encapsulate the common PDN network identity PDN-ID of multiple PDN, but the information that does not have user's context mark User Context Identifier or the single PDN of other energy unique identifications to connect.The PDN-ID that data message increases encapsulation connects user data message in order to distinguish many PDN, and cannot effectively distinguish in MUPSAP situation.The signaling messages such as the subsequent dynamic host configuration (Dynamic Host Configuration Protocol is called for short DHCP) based on VSNP encapsulation, also cannot distinguish these messages is which PDN connects.Thereby cause dysfunction or cannot realize.
Fig. 2 is according to the flow chart of the PDN method of attachment of correlation technique, as shown in Figure 2, comprises the following steps:
S202, authentication success and be attached to eHRPD Access Network of UE
S204, sends VSNCP configuring request.
Terminal initiates to set up PDN connection request from main connection to HSGW, the APN and the PDN-ID information that connect by VSNCP configuring request (VSNCP configure request) message informing HSGW acquiescence.If UE wants to set up MUPSAP, also to carry User Context Identifier information.
S206, agent binding update request.
HSGW sends agent binding update (Proxy Binding Update is called for short PBU), and message is to the PGW specifying, and user's proxy-mobile IP (Proxy Mobile IP, letter is PMIP) tunnel is set up in request.
S208, agent binding is replied.
PGW sends user's gateway location information to AAA.The binding procedure of PGW completing user data session, sends agent binding to HSGW and replys (Proxy Binding Acknowledgement, referred to as PBA) message.
S210, VSNCP configuration is replied.
HSGW sends the configuration of VSNCP and replys (VSNCP configureAck) message to terminal.
S212, VSNCP configuring request.
HSGW sends VSNCP configuration request message again, and the state machine that completes PPP is consulted.
S214, VSNCP configuration is replied.
Terminal sends VSNCP configuration response message accordingly.
S216, user's up-downgoing transfer of data.
User's up-downgoing data-message transmission that this PDN connects, wherein, message has encapsulated PDN-ID information.
S218, VSNCP configuring request.
Terminal sends VSNCP configuration request message to HSGW, and carries APN and the PDN-ID that extra PDN connects.If UE wants to set up MUPSAP, also to carry User Context Identifier information.
S220, agent binding update request.
HSGW sends PBU message to PGW.
S222, agent binding is replied.
PGW sends user's gateway location information to AAA, and PGW sends PBA message to HSGW.
S224, VSNCP configuration is replied.
HSGW sends VSNCP configuration response message to terminal.
S226, VSNCP configuring request.
HSGW sends VSNCP configuration request message to terminal.
S228, VSNCP configuration is replied.
Terminal sends VSNCP configuration response message to HSGW.
S230, user's up-downgoing data-message transmission
User's up-downgoing data-message transmission, message has encapsulated PDN-ID information.
From said process, can find out, if it is MUPSAP that the PDN more than setting up connects, the PDN network identity PDN-ID of multiple PDN is identical, and the user's up-downgoing data message in S230 step has all only encapsulated PDN-ID information so, does not encapsulate the information such as User Context Identifier.Cannot distinguish this message is the data which PDN connects.For example, in S230, terminal has been initiated DHCP request message to HSGW, and this is that HSGW cannot find corresponding connection, does not know that this DHCP request is the data which PDN connects, and cannot complete the processing of DHCP signaling, causes functional fault or cannot realize.
For the problem that cannot effectively distinguish many PDN connection data in MUPSAP situation in correlation technique, effective solution is not yet proposed at present.
Summary of the invention
The invention provides a kind of PDN connection processing method and device, at least to address the above problem.
According to an aspect of the present invention, provide a kind of PDN connection processing method, having comprised: set up multiple grouped data network PDNs and connect; The mark that can the unique identification single PDN of encapsulation connects in data message.
Preferably, the mark that can the unique identification single PDN of encapsulation connects in data message comprises: in the up-downgoing data message of user equipment (UE), carry PDN network identity PDN-ID and user's context mark User Context Identifier; Or carry PDN connection identifier in the up-downgoing data message of described UE, wherein, described PDN connection identifier is unique identification marking that the each PDN during described multiple PDN connects connects.
Preferably, in the up-downgoing data message of described UE, carrying PDN connection identifier comprises: newly-increased described PDN connection identifier in the up-downgoing data message of described UE; Or the described PDN network identity PDN-ID carrying in the up-downgoing data message of described UE is replaced with to described PDN connection identifier.
Preferably, described up-downgoing data message adopts procotol VSNP or the High level data link control HDLC encapsulation of equipment vendor's definition.
Preferably, described data message comprise following one of at least: the data message that described UE sends; The data message that high-speed packet data service gateway HSGW sends.
Preferably, described multiple PDN is connected to an access point APN.
According to a further aspect in the invention, provide a kind of PDN to connect processing unit, having comprised: link block, has connected for setting up multiple grouped data network PDNs; Package module, for the mark can the single PDN of unique identification in data message encapsulation connecting.
Preferably, described package module is used for: carry PDN network identity PDN-ID and user's context mark User Context Identifier at the up-downgoing data message of user equipment (UE); Or carry PDN connection identifier in the up-downgoing data message of described UE, wherein, described PDN connection identifier is unique identification marking that the each PDN during described multiple PDN connects connects.
Preferably, described package module is used for: at the newly-increased described PDN connection identifier of up-downgoing data message of described UE; Or the described PDN network identity PDN-ID carrying in the up-downgoing data message of described UE is replaced with to described PDN connection identifier.
Preferably, described data message comprise following one of at least: the data message that described UE sends; The data message that high-speed packet data service gateway HSGW sends.
By the present invention, employing is set up multiple grouped data network PDNs and is connected, and the mark that can the unique identification single PDN of encapsulation connects in data message, solved in MUPSAP situation and cannot effectively distinguish the problem of many PDN connection data, and then the user data that has reached MUPSAP can effectively be distinguished the effect that many PDN connect fast.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to interoperability configuration diagram between the eHRPD of correlation technique and E-UTRAN;
Fig. 2 is according to the flow chart of the PDN method of attachment of correlation technique;
Fig. 3 is according to the flow chart of the PDN connection processing method of the embodiment of the present invention;
Fig. 4 is the structured flowchart that connects processing unit according to the PDN of the embodiment of the present invention;
Fig. 5 is the flow chart one of PDN connection processing method according to the preferred embodiment of the invention;
Fig. 6 is the flowchart 2 of PDN connection processing method according to the preferred embodiment of the invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.
Embodiment mono-
The embodiment of the present invention provides a kind of PDN connection processing method, and Fig. 3 is according to the flow chart of the PDN connection processing method of the embodiment of the present invention, and as shown in Figure 3, this flow process comprises the following steps:
Step S302, sets up multiple grouped data network PDNs and connects;
Step S304, the mark that can the unique identification single PDN of encapsulation connects in data message.
By above-mentioned steps, change the way that encapsulates PDN network identity in correlation technique in data message.Due in the situation that multiple PDN connect, the network identity of multiple PDN may be identical, and then cannot PDN connection corresponding to specified data message which be.The identification information that the embodiment of the present invention connects by can the unique identification single PDN of encapsulation in data message, make transmitting-receiving side's data that many PDN connect such as UE or HSGW etc. can fast and effeciently distinguish of data message, thereby solved the problem that cannot effectively distinguish many PDN connection data in MUPSAP situation.
The mode of the mark that can the unique identification single PDN of encapsulation connects in data message has a variety of, preferably, can be following two kinds:
Mode one: carry PDN network identity PDN-ID and user's context mark User Context Identifier in the up-downgoing data message of UE;
Mode two: carry PDN connection identifier in the up-downgoing data message of UE, wherein, described PDN connection identifier is unique identification marking that the each PDN during described multiple PDN connects connects.
Pass through above-mentioned steps, just can in multiple PDN connect, unique specified data message be which PDN connects by PDN network identity and user's context mark, or, also can directly carry PDN connection identifier, be which PDN connects for connect unique specified data message at multiple PDN.
The mode of carrying PDN connection identifier in the up-downgoing data message of UE has a variety of, preferably, can be following two kinds of modes:
Mode one: newly-increased mark in the up-downgoing data message of UE, this newly-increased mark is used for carrying PDN connection identifier;
Mode two: the PDN network identity PDN-ID carrying in the up-downgoing data message of UE is replaced with to PDN connection identifier.
In correlation technique, what in data message, carry is PDN network identity, connects and go out concrete PDN by PDN network identity None-identified.Therefore, can in data message, carry PDN connection identifier, PDN connection identifier for identifying the connection of single PDN in the situation that existing multiple PDN to connect.The mode of carrying PDN connection identifier in data message can be directly in data message, to increase a mark newly, and this newly-increased mark is PDN connection identifier, certainly, also the PDN network identity originally carrying in data message can be replaced with to PDN connection identifier.
The tunneling of up-downgoing data message can have multiple, preferably, can be VSNP agreement or High-Level Data Link Control (High Level Data Link Control is called for short HDLC) agreement.
Data message can be a variety of, such as, can be the data message that UE sends, can be also the data message that HSGW sends.
Multiple PDN are connected to an access point (Access Point Name is called for short APN), also can be connected to multiple APN.
Embodiment bis-
The embodiment of the present invention provides a kind of PDN to connect processing unit, and Fig. 4 is the structured flowchart that connects processing unit according to the PDN of the embodiment of the present invention, and as shown in Figure 4, this device comprises link block 10, package module 20.
Preferably, package module 20 for: carry PDN network identity PDN-ID and user's context mark User Context Identifier at the up-downgoing data message of UE; Or carry PDN connection identifier in the up-downgoing data message of UE, wherein, this PDN connection identifier is unique identification marking that the each PDN during described multiple PDN connects connects.
Preferably, package module 20 for: at the newly-increased PDN connection identifier of the up-downgoing data message of UE; Or the PDN network identity PDN-ID carrying in the up-downgoing data message of UE is replaced with to PDN connection identifier.
Preferably, data message comprise following one of at least: the data message that UE sends; The data message that high-speed packet data service gateway HSGW sends.
Embodiment tri-
Fig. 5 is the flow chart one of PDN connection processing method according to the preferred embodiment of the invention, and as shown in Figure 5, this flow process comprises the following steps:
Step S502 encapsulates PDN connection identifier in data message.
After user sets up many PDN and connects, the data message that the data message that UE sends or HSGW send, the information that encapsulation can this PDN of unique identification connects, i.e. PDN connection identifier.For example can increase expansion User Context Identifier information at VSNP or HDLC encapsulation, carry PDN network identity PDN-ID and user's context mark User Context Identifier information, and then the affiliated PDN of unique identification connect;
Preferably, the data message that UE or HSGW send, can be on the basis of existing encapsulation PDN network identity PDN-ID, and increase encapsulation user's context mark User Context Identifier or other information are carried out unique identification PDN and connected.
Preferably, the data message that UE or HSGW send, can adopt existing VSNP or HDLC protocol encapsulation, can be also other protocol encapsulation, or Extended Protocol encapsulation.
Preferably, the data message that UE or HSGW send, can increase packaging information and carry out unique identification PDN connection, also can revise the definition of existing PDN network identity PDN-ID, be defined as a PDN connection identifier, rather than the mark of a PDN network, allow an APN or the PDN can corresponding multiple PDN-ID, PDN-ID can connect by PDN of unique identification like this, just can effectively distinguish the data that many PDN connect.
Preferably, the data message that UE or HSGW send, can adopt a new mark to replace PDN network identity PDN-ID, carrys out PDN of unique identification and connects.
Step S504, determines that according to PDN connection identifier PDN connects and is further processed.
HSGW or UE receive the user data message that opposite end sends, taking out the information can this user PDN of unique identification connecting encapsulating in data message is PDN connection identifier, just can judge fast that navigating to these data is which PDN connects, thereby carry out correct processing or forwarding.If these data are the signaling messages such as DHCP, can connect and process to corresponding PDN by position matching.
Embodiment tetra-
Fig. 6 is the flowchart 2 of PDN connection processing method according to the preferred embodiment of the invention, and this flow process has been described improved handling process, the processing procedure especially foundation of MUPSAP being connected with subsequent user data separation PDN.As shown in Figure 6, this flow process comprises the following steps:
Step S602, authentication success and be attached to eHRPD Access Network of UE
Step S604, VSNCP configuring request.
Terminal initiates to set up PDN connection request from main connection to HSGW, the APN and the PDN network identity PDN-ID information that connect by VSNCP configuration request message notice HSGW acquiescence.If UE wants to set up MUPSAP, also to carry user's context mark User Context Identifier information.
Step S606, agent binding update request.
HSGW sends PBU message to the PGW specifying, and user's PMIP tunnel is set up in request.
Step S608, agent binding is replied.
PGW sends user's gateway location information to AAA.The binding procedure of PGW completing user data session, sends PBA message to HSGW.
Step S610, VSNCP configuration is replied.
HSGW sends the configuration response message of VSNCP to terminal.
Step S612, VSNCP configuring request.
HSGW sends VSNCP configuration request message again, and the state machine that completes PPP is consulted.
Step S614, VSNCP configuration is replied.
Terminal sends VSNCP configuration response message accordingly.
Step S616, user's up-downgoing transfer of data encapsulates PDN connection identifier in data message.
User's up-downgoing data-message transmission that PDN connects, the information that message encapsulation can this PDN of unique identification connects is PDN connection identifier, for example can increase expansion User Context Identifier information at VSNP or HDLC encapsulation, carry the affiliated PDN of PDN-ID+User Context Identifier information unique identification and connect.
Step S618, VSNCP configuring request.
Terminal sends VSNCP configuration request message to HSGW, and carries APN and the PDN-ID that extra PDN connects.If UE wants to set up MUPSAP, also to carry User Context Identifier information.
Step S620, agent binding update request.
HSGW sends PBU message to P-GW.
Step S622, agent binding is replied.
PGW sends user's gateway location information to AAA.PGW sends PBA message to HSGW.
Step S624, VSNCP configuration is replied.
HSGW sends VSNCP configuration response message to terminal.
Step S626, VSNCP configuring request.
HSGW sends VSNCP configuration request message to terminal.
Step S628, VSNCP configuration is replied.
Terminal sends VSNCP configuration response message to HSGW.
Step S630, user's up-downgoing transfer of data.
User's up-downgoing data-message transmission, the information that message encapsulation can this PDN of unique identification connects, for example can increase expansion User Context Identifier information at VSNP or HDLC encapsulation, carry the affiliated PDN of PDN-ID+User Context Identifier information unique identification and connect.
Embodiment five
On the basis of embodiment tetra-, another kind of execution mode, can not increase packaging information to carry out unique identification PDN connection, but revise the definition of existing PDN-ID, PDN-ID is defined as to PDN connection identifier, rather than a PDN network identity, allows an APN or the PDN can corresponding multiple PDN-ID, PDN-ID can connect by PDN of unique identification like this, just can effectively distinguish the data that many PDN connect; Or adopt a new mark to replace PDN-ID, carry out PDN of unique identification and connect, can distinguish MUPSAP.
Concrete processing procedure as shown in Figure 6, comprises the following steps:
Step S602, authentication success and be attached to eHRPD Access Network of UE
Step S604, VSNCP configuring request.
Terminal initiates to set up PDN connection request from main connection to HSGW, notify the HSGW APN that acquiescence connects and PDN-ID or other can identify the information that PDN connects by VSNCP configuration request message, here the PDN-ID in data message has been no longer PDN network identity, but PDN connection identifier.
Step S606, agent binding update request.
HSGW sends PBU message to the PGW specifying, and user's PMIP tunnel is set up in request.
Step S608, agent binding is replied.
PGW sends user's gateway location information to AAA.The binding procedure of PGW completing user data session, sends PBA message to HSGW.
Step S610, VSNCP configuration is replied.
HSGW sends the configuration response message of VSNCP to terminal.
Step S612, VSNCP configuring request.
HSGW sends VSNCP configuration request message again, and the state machine that completes PPP is consulted.
Step S614, VSNCP configuration is replied.
Terminal sends VSNCP configuration response message accordingly.
Step S616, user's up-downgoing transfer of data encapsulates PDN connection identifier in data message.
User's up-downgoing data-message transmission that this PDN connects, the information that message encapsulation can this PDN of unique identification connects; Can be revise definition PDN-ID or other identify unique identification PDN connect.
Step S618, VSNCP configuring request.
Terminal sends VSNCP configuration request message to HSGW, and carries APN and the PDN-ID that extra PDN connects.
Step S620, agent binding update request.
HSGW sends PBU message to P-GW.
Step S622, agent binding is replied.
PGW sends user's gateway location information to AAA.PGW sends PBA message to HSGW.
Step S624, VSNCP configuration is replied.
HSGW sends VSNCP configuration response message to terminal.
Step S626, VSNCP configuring request.
HSGW sends VSNCP configuration request message to terminal.
Step S628, VSNCP configuration is replied.
Terminal sends VSNCP configuration response message to HSGW.
Step S630, user's up-downgoing transfer of data.
User's up-downgoing data-message transmission, the information that message encapsulation can this PDN of unique identification connects; Can be revise definition PDN-ID or other identify unique identification PDN connect
From above description, can find out, the present invention has realized following technique effect: compared with prior art, because the present invention increases or modification packaging information at eHRP network user's up-downgoing data message, the information that increase can unique identification PDN connects, make fast and effeciently location, the district point data that many PDN connect such as UE or HSGW, thereby overcome the defect in existing standard, solve the problem that cannot effectively distinguish many PDN connection data in MUPSAP situation, the user data that has met MUPSAP in eHRPD network can effectively be distinguished the demand that many PDN connect fast.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that multiple calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, and in some cases, can carry out shown or described step with the order being different from herein, or they are made into respectively to each integrated circuit modules, or the multiple modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a PDN connection processing method, is characterized in that, comprising:
Setting up multiple grouped data network PDNs connects;
The mark that can the unique identification single PDN of encapsulation connects in data message.
2. method according to claim 1, is characterized in that, the mark that can the unique identification single PDN of encapsulation connects in data message comprises:
In the up-downgoing data message of user equipment (UE), carry PDN network identity PDN-ID and user's context mark User Context Identifier; Or
In the up-downgoing data message of described UE, carry PDN connection identifier, wherein, described PDN connection identifier is unique identification marking that the each PDN during described multiple PDN connects connects.
3. method according to claim 2, is characterized in that, carries PDN connection identifier and comprise in the up-downgoing data message of described UE:
Newly-increased described PDN connection identifier in the up-downgoing data message of described UE; Or
The described PDN network identity PDN-ID carrying in the up-downgoing data message of described UE is replaced with to described PDN connection identifier; Or
The described PDN-ID carrying in the up-downgoing data message of described UE is defined as to described PDN connection identifier.
4. according to the method in any one of claims 1 to 3, it is characterized in that, described up-downgoing data message adopts procotol VSNP or the High level data link control HDLC encapsulation of equipment vendor's definition.
5. according to the method in any one of claims 1 to 3, it is characterized in that, described data message comprise following one of at least:
The data message that described UE sends;
The data message that high-speed packet data service gateway HSGW sends.
6. method according to claim 5, is characterized in that, described multiple PDN are connected to an access point APN.
7. PDN connects a processing unit, it is characterized in that, comprising:
Link block, connects for setting up multiple grouped data network PDNs;
Package module, for the mark can the single PDN of unique identification in data message encapsulation connecting.
8. device according to claim 7, is characterized in that, described package module is used for:
In the up-downgoing data message of user equipment (UE), carry PDN network identity PDN-ID and user's context mark User Context Identifier; Or
In the up-downgoing data message of described UE, carry PDN connection identifier, wherein, described PDN connection identifier is unique identification marking that the each PDN during described multiple PDN connects connects.
9. device according to claim 8, is characterized in that, described package module is used for:
Newly-increased described PDN connection identifier in the up-downgoing data message of described UE; Or
The described PDN network identity PDN-ID carrying in the up-downgoing data message of described UE is replaced with to described PDN connection identifier; Or
The described PDN-ID carrying in the up-downgoing data message of described UE is defined as to described PDN connection identifier.
10. according to the device described in any one in claim 7 to 9, it is characterized in that, described data message comprise following one of at least:
The data message that described UE sends;
The data message that high-speed packet data service gateway HSGW sends.
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| CN201210558339.4A CN103888996A (en) | 2012-12-20 | 2012-12-20 | PDN connection processing method and device |
| PCT/CN2013/084323 WO2014094478A1 (en) | 2012-12-20 | 2013-09-26 | Pdn connection processing method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105578539A (en) * | 2014-11-11 | 2016-05-11 | 中兴通讯股份有限公司 | Optimal switching method supporting multiple PDN connections and corresponding network node |
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