CN103687071A - Connection releasing method and device for packet data network - Google Patents
Connection releasing method and device for packet data network Download PDFInfo
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- CN103687071A CN103687071A CN201210358150.0A CN201210358150A CN103687071A CN 103687071 A CN103687071 A CN 103687071A CN 201210358150 A CN201210358150 A CN 201210358150A CN 103687071 A CN103687071 A CN 103687071A
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Abstract
The embodiment of the invention provides a connection releasing method and a device for a packet data network. The method comprises that: a releasing message sent by user equipment UE is received, and the releasing message comprises an indication identifier; and according to an association relation between the indication identifier and a connection identifier, connection corresponding to the connection identifier associated with the indication identifier is released. According to the connection releasing method and the device for the PDN, the corresponding connection identifier of the connection needed to be released is learnt in a way that the indication identifier associated with the connection identifier is carried in the releasing message according to the association relation between the indication identifier and the connection identifier.
Description
Technical field
The embodiment of the present invention relates to the communication technology, relates in particular to the method and apparatus of a kind of Packet Data Network (Packet Data Network is called for short PDN) Connection Release.
Background technology
Subscriber equipment (User Equipment, be called for short UE) can be by credible WLAN (wireless local area network) Access Network (Trusted Wireless Local Area Networks Access Network, abbreviation TWAN) grouping system (the Evolved Packet System of access evolution, the packet-based core networks of the evolution abbreviation EPS) (Evolved Packet Core is called for short EPC).
In prior art, when UE accesses EPC by TWAN, can set up a plurality of PDN corresponding to same APN (Access Point Name is called for short APN) and connect, also can set up a plurality of PDN that different APN are corresponding and connect.UE, in the situation that not needing to connect transmission data by a certain PDN, can connect and discharge this PDN.
But prior art, occurs facilitating correctly discharging the problem that PDN connects often.
Summary of the invention
The embodiment of the present invention provides the method and apparatus of a kind of Packet Data Network Connection Release.
First aspect, the method for a kind of Packet Data Network Connection Release that the embodiment of the present invention provides comprises:
Receive the release message that user equipment (UE) sends, described release message comprises sign; According to the incidence relation between sign and connection identifier, discharge connection corresponding to connection identifier associated with described sign.
In the possible implementation of the first of first aspect, described according to the incidence relation between sign and connection identifier, discharge connection corresponding to connection identifier associated with described sign, comprise: according to the incidence relation between sign and IP address, discharge connection corresponding to IP address associated with described sign.
The implementation possible according to the first of first aspect or first aspect, in the possible implementation of the second, before the release message that described reception UE sends, also comprise: to described UE, send a notification message, the first address field of described notification message comprises described sign, and the second address field of described notification message comprises described connection identifier.
The implementation possible according to the second of first aspect, in the third possible implementation, described notification message is that DynamicHost arranges protocol DHCP message; The client address field of described dhcp message comprises described sign, and the server address field of described dhcp message comprises described connection identifier; Or the client address field of described dhcp message comprises described connection identifier, the server address field of described dhcp message comprises described sign.
In the 4th kind of possible implementation of first aspect, described according to the incidence relation between sign and connection identifier, discharge connection corresponding to connection identifier associated with described sign, comprising:
According to the incidence relation between sign and APN APN, discharge connection corresponding to APN associated with described sign.
According to the 4th of first aspect or first aspect the kind of possible implementation, in the 5th kind of possible implementation, before the release message that described reception UE sends, also comprise: to described UE, send authentication and complete message, described authentication completes and in message, comprises described sign and connection identifier; Or, to described UE, send beacon Beacon message, in described Beacon message, comprise described sign and connection identifier; Or, by access network vlan query protocol VLAN ANQP flow process, to described UE, send described sign and connection identifier.
Second aspect, the method for the another kind of Packet Data Network Connection Release that the embodiment of the present invention provides comprises:
Receive the deletion conversational response that packet data network gateway PGW sends, described deletion conversational response comprises connection identifier; According to the incidence relation between sign and connection identifier, determine the sign associated with described connection identifier; To UE, send release message, described release message comprises and described sign, so that described UE discharges the connection corresponding with described sign.
In the possible implementation of the first of second aspect, the deletion conversational response that described reception PGW sends, described deletion conversational response comprises connection identifier, comprising: receive the described deletion conversational response that described PGW sends, described deletion conversational response comprises APN; Described according to the incidence relation between sign and connection identifier, determine the sign associated with described connection identifier, comprising: according to the incidence relation between sign and APN, determine the sign associated with described APN.
In the possible implementation of the second of second aspect, the deletion conversational response that described reception PGW sends, described deletion conversational response comprises connection identifier, comprising: receive the described deletion conversational response that described PGW sends, described deletion conversational response comprises IP address; Described according to the incidence relation between sign and connection identifier, determine the sign associated with described connection identifier, comprising: according to the incidence relation between sign and IP address, determine the sign associated with described IP address.
The third aspect, a kind of subscriber equipment that the embodiment of the present invention provides comprises:
Processing module, for according to the incidence relation between sign and connection identifier, determines sign; Sending module, for sending release message to credible WLAN (wireless local area network) Access Network TWAN, described release message comprises described sign, so that described TWAN discharges connection corresponding to connection identifier associated with described sign.
In the possible implementation of the first of the third aspect, also comprise: receiver module, the described incidence relation sending for receiving TWAN.
Fourth aspect, the credible WLAN (wireless local area network) access network equipment of the first that the embodiment of the present invention provides comprises:
Receiver module, the release message sending for receiving user equipment (UE), described release message comprises sign; Processing module, for according to the incidence relation between sign and connection identifier, discharges connection corresponding to connection identifier associated with described sign.
In the possible implementation of the first of fourth aspect, described processing module also for: according to the incidence relation between sign and IP address, discharge connection corresponding to IP address associated with described sign.
The implementation possible according to the first of fourth face or fourth aspect, in the possible implementation of the second, also comprise: the first sending module, for sending a notification message to described UE, the first address field of described notification message comprises described sign, and the second address field of described notification message comprises described connection identifier.
The implementation possible according to the second of fourth aspect, in the third possible implementation, described notification message is that DynamicHost arranges protocol DHCP message; The client address field of described dhcp message comprises described sign, and the service module address field of described dhcp message comprises described connection identifier; Or the client address field of described dhcp message comprises described connection identifier, the service module address field of described dhcp message comprises described sign.
In the 4th kind of possible implementation of fourth aspect, described processing module also for: according to the incidence relation between sign and APN, discharge connection corresponding to APN associated with described sign.
According to the 4th of fourth aspect or fourth aspect the kind of possible implementation, in the 5th kind of possible implementation, also comprise: the second sending module, for: to described UE, send authentication and complete message, described authentication completes and in message, comprises described sign and connection identifier; Or, to described UE, send beacon Beacon message, in described Beacon message, comprise described sign and connection identifier; Or, by access network vlan query protocol VLAN ANQP flow process, to described UE, send described sign and connection identifier with described receiver module.
The 5th aspect, the credible WLAN (wireless local area network) access network equipment of the second that the embodiment of the present invention provides comprises:
Receiver module, the deletion conversational response sending for receiving PGW, described deletion conversational response comprises connection identifier; Processing module, for according to the incidence relation between sign and connection identifier, determines the sign associated with described connection identifier; Sending module, for sending release message to UE, described release message comprises and described sign, so that described UE discharges the connection corresponding with described sign.
In the possible implementation of the first aspect the 5th, described receiver module also for: receive the described deletion conversational response that described PGW sends, described deletion conversational response comprises APN; Described processing module also for: according to the incidence relation between sign and APN, determine the sign associated with described APN.
In the possible implementation of the second aspect the 5th, described receiver module also for: receive the described deletion conversational response that described PGW sends, described deletion conversational response comprises IP address; Described processing module also for: according to the incidence relation between sign and IP address, determine the sign associated with described IP address.
The 6th aspect, the another kind of subscriber equipment that the embodiment of the present invention provides comprises:
Processor, for according to the incidence relation between sign and connection identifier, determines sign; Transmitter, for sending release message to credible WLAN (wireless local area network) Access Network TWAN, described release message comprises described sign, so that described TWAN discharges connection corresponding to connection identifier associated with described sign.
In the possible implementation of the first aspect the 6th, also comprise: receiver, the described incidence relation sending for receiving TWAN.
The 7th aspect, the third credible WLAN (wireless local area network) access network equipment that the embodiment of the present invention provides comprises:
Receiver, the release message sending for receiving user equipment (UE), described release message comprises sign; Processor, for according to the incidence relation between sign and connection identifier, discharges connection corresponding to connection identifier associated with described sign.
In the possible implementation of the first aspect the 7th, described processor also for: according to the incidence relation between sign and IP address, discharge connection corresponding to IP address associated with described sign.
According to the possible implementation of the first of the 7th aspect or the 7th aspect, in the possible implementation of the second, also comprise: the first transmitter, for sending a notification message to described UE, the first address field of described notification message comprises described sign, and the second address field of described notification message comprises described connection identifier.
The implementation possible according to the second of the 7th aspect, in the third possible implementation, described notification message is that DynamicHost arranges protocol DHCP message; The client address field of described dhcp message comprises described sign, and the server address field of described dhcp message comprises described connection identifier; Or the client address field of described dhcp message comprises described connection identifier, the server address field of described dhcp message comprises described sign.
In the 4th kind of possible implementation aspect the 7th, described processor also for: according to the incidence relation between sign and APN, discharge connection corresponding to APN associated with described sign.
According to the 4th kind of possible implementation of the 7th aspect or the 7th aspect, in the 5th kind of possible implementation, also comprise: the second transmitter, for: to described UE, send authentication and complete message, described authentication completes and in message, comprises described sign and connection identifier; Or, to described UE, send Beacon message, in described Beacon message, comprise described sign and connection identifier; Or, by access network vlan query protocol VLAN ANQP flow process, to described UE, send described sign and connection identifier with described receiver.
Eight aspect, the 4th kind of credible WLAN (wireless local area network) access network equipment that the embodiment of the present invention provides comprises:
Receiver, the deletion conversational response sending for receiving PGW, described deletion conversational response comprises connection identifier; Processor, for according to the incidence relation between sign and connection identifier, determines the sign associated with described connection identifier; Transmitter, for sending release message to UE, described release message comprises and described sign, so that described UE discharges the connection corresponding with described sign.
In the possible implementation of the first of eight aspect, described receiver also for: receive the described deletion conversational response that described PGW sends, described deletion conversational response comprises APN; Described processor also for: according to the incidence relation between sign and APN, determine the sign associated with described APN.
In the possible implementation of the second of eight aspect, described receiver also for: receive the described deletion conversational response that described PGW sends, described deletion conversational response comprises IP address; Described processor also for: according to the incidence relation between sign and IP address, determine the sign associated with described IP address.
The PDN Connection Release method and apparatus that the embodiment of the present invention provides, by carry the sign associated with connection identifier in release message, according to the incidence relation between sign and connection identifier, know the connection identifier of the connection correspondence need discharging, thus guaranteed convenience accurately release connection identify corresponding PDN and connect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the flow chart of the embodiment of the method one of Packet Data Network provided by the invention Connection Release;
Fig. 2 is the signaling process figure of the embodiment of the method two of Packet Data Network provided by the invention Connection Release;
Fig. 3 is the flow chart of the embodiment of the method three of Packet Data Network provided by the invention Connection Release;
Fig. 4 is the signaling process figure of the embodiment of the method four of Packet Data Network provided by the invention Connection Release;
Fig. 5 is the structural representation of the embodiment mono-of credible WLAN (wireless local area network) access network equipment provided by the invention;
Fig. 6 is the structural representation of the embodiment bis-of credible WLAN (wireless local area network) access network equipment provided by the invention;
Fig. 7 is the structural representation of the embodiment tri-of credible WLAN (wireless local area network) access network equipment provided by the invention;
Fig. 8 is the structural representation of the embodiment tetra-of credible WLAN (wireless local area network) access network equipment provided by the invention;
Fig. 9 is the structural representation of the embodiment mono-of subscriber equipment provided by the invention;
Figure 10 is the structural representation of the embodiment five of credible WLAN (wireless local area network) access network equipment provided by the invention;
Figure 11 is the structural representation of the embodiment six of credible WLAN (wireless local area network) access network equipment provided by the invention;
Figure 12 is the structural representation of the embodiment bis-of subscriber equipment provided by the invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
In prior art, UE can connect a plurality of different packet data network gateways (Packet Data Network Gateway is called for short PGW) to access corresponding a plurality of different PDN by TWAN.Be equivalent to UE and be connected in a plurality of different local area network (LAN)s simultaneously, a plurality of local area network (LAN)s are separate.UE can access a plurality of PDN by same APN also can access a plurality of PDN by different APN.
UE, in the situation that not needing to connect transmission data by PDN, can connect and discharge this PDN.In prior art, if UE initiates the release that PDN is connected, need in the release message sending to TWAN, carry this and connect corresponding connection identifier, connection identifier is for example that this PDN is connected to the IP address that UE distributes, if repeat the IP address that this IP address is connected with other PDN, the release message that carries this IP address may wrongly discharge other PDN connection.That is to say, in the situation that UE receives the IP address that different PGW distribute is identical, often occur correctly discharging the problem that PDN connects.Or, UE is not in the situation that need to connect transmission data by a plurality of different PDN corresponding to a certain APN, need to discharge in the situation of all PDN connections that this APN is corresponding, must initiation repeatedly discharge flow process to discharge a plurality of different PDN connections, increased the burden of network.
Fig. 1 is the flow chart of the embodiment of the method one of Packet Data Network provided by the invention Connection Release, as shown in Figure 1, the method of the PDN Connection Release that the TWAN of take provides the present embodiment as executive agent is illustrated, and the method for the PDN Connection Release that the present embodiment provides can comprise:
The release message that step S 110, reception user equipment (UE) send, release message comprises sign.Be that TWAN receives the release message that includes sign that UE sends.
Step S120, according to the incidence relation between sign and connection identifier, discharge connection corresponding to connection identifier associated with sign.TWAN receives after the sign in the release message that UE sends, and according to the incidence relation between sign and connection identifier, knows the connection identifier that sign is corresponding, and the release connection corresponding with connection identifier.
Association in the embodiment of the present invention, can be that connection identifier and sign are bound, and makes it have one-to-one relationship; Or can be that connection identifier and sign are shone upon, make it have one-to-one relationship; Or can also be connect sign and the one-to-one relationship of sign.
Sign in the embodiment of the present invention connects or different APN for distinguishing different PDN, so each sign does not repeat mutually.
The PDN Connection Release method that the present embodiment provides, by carry the sign associated with connection identifier in release message, according to the incidence relation between sign and connection identifier, know the connection identifier of the connection correspondence need discharging, thus guaranteed convenience accurately release connection identify corresponding PDN and connect.
On the one hand, on basis embodiment illustrated in fig. 1, further, according to the incidence relation between sign and connection identifier, discharge connection corresponding to connection identifier associated with sign, comprise: according to the incidence relation between sign and IP address, discharge connection corresponding to IP address associated with sign.Specifically, in the situation that connecting other corresponding IP address with other, the IP address of the connection correspondence that UE need to discharge repeats, it can be the sign associated with IP address that TWAN receives the sign comprising in the release message of UE transmission, TWAN discharges the connection corresponding with IP address after knowing the IP address associated with this sign according to sign with the incidence relation between IP address.
Further, before receiving the release message of UE transmission, also comprise: to UE, send a notification message, the first address field of notification message comprises sign, and the second address field of notification message comprises connection identifier.In other words, TWAN is before receiving the release message of UE transmission, can first to UE, send a notification message, and carry respectively sign and connection identifier in the different address fields of notification message, so that UE makes differentiation to sign and connection identifier after receiving notification message, and know the incidence relation of sign and connection identifier.
Further, notification message is that DynamicHost arranges agreement (Dynamic Host Configuration Protocol is called for short DHCP) message; The client address field of dhcp message comprises sign, and the server address field of dhcp message comprises connection identifier; Or the client address field of dhcp message comprises connection identifier, the server address field of dhcp message comprises sign.The connection identifier of take is example as IP address, if notification message is dhcp message, TWAN can carry sign in the client address field of dhcp message, in server address field, carries IP address, so that UE distinguishes both after receiving sign and IP address.The embodiment of the present invention does not limit carrying message and the field type of sign and connection identifier.
On the other hand, on basis embodiment illustrated in fig. 1, further, according to the incidence relation between sign and connection identifier, discharge connection corresponding to connection identifier associated with sign, comprise: according to the incidence relation between sign and APN, discharge connection corresponding to APN associated with sign.Specifically, in the situation that UE need to discharge all connections that APN is corresponding, it can be the sign associated with APN that TWAN receives the sign comprising in the release message of UE transmission, after TWAN is known the APN associated with this sign according to sign with the incidence relation between APN, once discharge the whole connections corresponding with APN.
Further, before receiving the release message that UE sends, also comprise: to UE, send authentication and complete message, authentication completes and in message, comprises sign and connection identifier; Or, to UE, send beacon Beacon message, in Beacon message, comprise sign and connection identifier; Or, by access network vlan query protocol VLAN (Access Network Query Protocol is called for short ANQP) flow process, to UE, send sign and connection identifier.In other words, take connection identifier as APN be example, TWAN can complete message, beacon Beacon message or ANQP flow process etc. by authentication and send sign and APN to UE.So that UE is known the incidence relation of sign and APN.
The PDN Connection Release method that the present embodiment provides, the in the situation that of IP address and the repetition of other IP address, by carry the sign associated with IP address in release message, TWAN connects according to the sign PDN corresponding with the incidence relation releasing IP addresses of IP address; Or connect in the situation that need to discharge all PDN that a certain APN is corresponding, in release message, carry the sign associated with APN, TWAN is according to the incidence relation of sign and APN, once discharge all PDN that APN is corresponding and connect, thereby guaranteed convenience all PDN connections corresponding to release connection sign accurately.
Fig. 2 is the signaling process figure of the embodiment of the method two of Packet Data Network provided by the invention Connection Release, as shown in Figure 2, the method of the mutual PDN Connection Release that the present embodiment is provided by TWAN and UE is illustrated, and the method for the PDN Connection Release that the present embodiment provides can comprise:
The non-3GPP of the mutual execution of step S202, UE and TWAN accesses specific flow process, and related procedure belongs to prior art, repeats no more herein.
Step S204, UE can carry out EAP authentication process alternately by TWAN and network side, complete the mutual authentication of UE and EPC, APN information when TWAN can obtain the UE carrying in subscription data and adheres to.
Step S206, TWAN are that APN distributes and association or direct correlation sign, and APN and sign are man-to-man incidence relation.
Step S208, TWAN complete message by EAP authentication APN are sent to UE with the sign associated with APN, and the mode that sends APN and sign is not limited to this.
Step S210, UE preserve the APN and the sign associated with APN receiving, and in other words, UE receives after APN and sign, has known the incidence relation of APN and sign.
Step S212, UE can be carried at sign in DHCP request message and send to TWAN, to set up follow-up connection procedure.
Step S214, TWAN receive after DHCP request message, according to the sign in dhcp message, know the APN associated with sign of the wish access that UE is indicated, select corresponding PGW to initiate GTP tunnel process of establishing.
Step S216, TWAN send to corresponding PGW the session request that creates.
Step S218, PGW initiate the IP-CAN session establishment process with (home Policy and Charging Rules Function is called for short hPCRF), carry out IP-CAN session establishment flow process.
Step S220, PGW and HSS/AAA carry out PGW address renewal process, and the PGW sign of notice 3GPP aaa server self is connected corresponding APN with this PDN of UE.
Step S222, PGW send and create conversational response to TWAN, and in establishment conversational response, having comprised PGW is the IP address that UE distributes.
Step S224, GTP tunnel have been set up.
Step S226, TWAN receive behind IP address, can be IP address assignment association or direct correlation sign.TWAN also can first judge that other PDN whether IP address has been accessed with UE connects corresponding existing IP address repetition after receiving IP address, repeats, then be the associated sign in IP address if IP address and existing IP address are known in judgement.
Step S228, TWAN send the sign of IP address He YuIP address association to UE, IP address and sign can send by dhcp message, and the embodiment of the present invention does not limit carrying the type of message of IP address and sign.
When step S230, UE send release message to TWAN, if need to discharge connection corresponding to a certain IP address, and this IP address and the repetition of existing IP address, the sign associated with IP address can be carried in release message and send to TWAN; If need to discharge all connections that APN is corresponding, the sign associated with APN can be carried in release message and send to TWAN.
Step S232, TWAN receive after the release message that includes sign, know that UE need to discharge the IP address associated with sign or connection corresponding to APN, and then initiate IP address or the corresponding release connecting of APN.
Step S234, TWAN send to delete session request to PGW, delete the bearing identification that session request comprises IP address or all connections corresponding with APN.
Step S236, PGW and HSS/AAA carry out PGW address renewal process.
Step S238, PGW initiate the IP-CAN session termination process with hPCRF, carry out IP-CAN session termination flow process.
Step S240, TWAN receive the deletion conversational response that PGW sends, and delete the bearing identification that conversational response has comprised release connection.
Step S242, TWAN receive and delete after conversational response, delete the information of the bearing identification of all connections that IP address relevant information or APN are corresponding.
Step S242a, alternatively, if corresponding IP address or the APN of the sign comprising in the release message that TWAN receives in step S230 has corresponding NSWO, discharges the connection of corresponding NSWO.
Step S244, TWAN can send and discharge response to UE.
The PDN Connection Release method that the present embodiment provides, the in the situation that of IP address and the repetition of other IP address, by carry the sign associated with IP address in release message, TWAN connects according to the sign PDN corresponding with the incidence relation releasing IP addresses of IP address; Or connect in the situation that need to discharge all PDN that a certain APN is corresponding, in release message, carry the sign associated with APN, TWAN is according to the incidence relation of sign and APN, once discharge all PDN that APN is corresponding and connect, thereby guaranteed convenience all PDN connections corresponding to release connection sign accurately.
Fig. 3 is the flow chart of the embodiment of the method three of Packet Data Network provided by the invention Connection Release, as shown in Figure 3, the method of the PDN Connection Release that the TWAN of take provides the present embodiment as executive agent is illustrated, and the method for the PDN Connection Release that the present embodiment provides can comprise:
The deletion conversational response that step S310, reception packet data network gateway PGW send, deletes conversational response and comprises connection identifier.In other words, TWAN receives the deletion conversational response that includes connection identifier that PGW sends, for the connection of release connection sign indication.
Step S320, according to the incidence relation between sign and connection identifier, determine the sign associated with connection identifier.TWAN receives after the deletion conversational response that comprises connection identifier, according to the incidence relation of sign and connection identifier, determines the sign associated with connection identifier.
Step S330, to UE, send release message, release message comprises and sign, so that UE discharges the connection corresponding with sign.TWAN sends and has comprised the sign associated with connection identifier to UE, so that UE discharges the connector corresponding with sign.
Association in the embodiment of the present invention, can be that connection identifier and sign are bound, and makes it have one-to-one relationship; Or can be that connection identifier and sign are shone upon, make it have one-to-one relationship; Or can also be connect sign and the one-to-one relationship of sign.
Sign in the embodiment of the present invention connects or different APN for distinguishing different PDN, so each sign does not repeat mutually.
The PDN Connection Release method that the present embodiment provides, according to the incidence relation of sign and connection identifier, determine in wish deletion conversational response and carry the sign associated with connection identifier, discharge the connection corresponding with sign, thus guaranteed convenience accurately release connection identify corresponding PDN and connect.
On the one hand, on basis embodiment illustrated in fig. 3, further, receive the deletion conversational response that PGW sends, delete conversational response and comprise connection identifier, comprising: receive the deletion conversational response that PGW sends, delete conversational response and comprise APN; According to the incidence relation between sign and connection identifier, determine the sign associated with connection identifier, comprising: according to the incidence relation between sign and APN, determine the sign associated with APN.
Specifically, the connection identifier comprising in the deletion conversational response that PGW sends to TWAN can be APN, TWAN receives after the deletion conversational response that includes APN according to the incidence relation of APN and sign, determine the sign associated with APN, and this sign is carried in release message and is sent to UE, so that UE discharges the connection corresponding with this sign.
On the other hand, on basis embodiment illustrated in fig. 3, further, receive the deletion conversational response that PGW sends, delete conversational response and comprise connection identifier, comprising: receive the deletion conversational response that PGW sends, delete conversational response and comprise IP address; According to the incidence relation between sign and connection identifier, determine the sign associated with connection identifier, comprising: according to the incidence relation between sign and IP address, determine the sign associated with IP address.
Specifically, the connection identifier comprising in the deletion conversational response that PGW sends to TWAN can be IP address, TWAN receives after the deletion conversational response that includes IP address according to the incidence relation of IP address and sign, determine the sign associated with IP address, and this sign is carried in release message and is sent to UE, so that UE discharges the connection corresponding with this sign.
According to the incidence relation of sign and connection identifier, determine in wish deletion conversational response and carry the sign associated with connection identifier, discharge the connection corresponding with sign, thereby guaranteed convenience all PDN connections corresponding to release connection sign accurately.
Fig. 4 is the signaling process figure of embodiment tetra-of the method for Packet Data Network provided by the invention Connection Release, as shown in Figure 4, the method of the mutual PDN Connection Release that the present embodiment is provided by TWAN and UE is illustrated, and the method for the PDN Connection Release that the present embodiment provides can comprise:
The non-3GPP of the mutual execution of step S402, UE and TWAN accesses specific flow process, and related procedure belongs to prior art, repeats no more herein.
Step S404, UE can carry out EAP authentication process alternately by TWAN and network side, complete the mutual authentication of UE and EPC, APN information when TWAN can obtain the UE carrying in subscription data and adheres to.
Step S406, TWAN are that APN distributes and association or direct correlation sign, and APN and sign are man-to-man incidence relation.
Step S408, TWAN complete message by EAP authentication APN are sent to UE with the sign associated with APN, and the mode that sends APN and sign is not limited to this.
Step S410, UE preserve the APN and the sign associated with APN receiving, and in other words, UE receives after APN and sign, has known the incidence relation of APN and sign.
Step S412, UE can be carried at sign in DHCP request message and send to TWAN, to set up follow-up connection procedure.
Step S414, TWAN receive after DHCP request message, according to the sign in dhcp message, know the APN associated with sign of the wish access that UE is indicated, select corresponding PGW to initiate GTP tunnel process of establishing.
Step S416, TWAN send to corresponding PGW the session request that creates.
Step S418, PGW initiate the IP-CAN session establishment process with hPCRF, carry out IP-CAN session establishment flow process.
Step S420, PGW and HSS/AAA carry out PGW address renewal process, and the PGW sign of notice 3GPP aaa server self is connected corresponding APN with this PDN of UE.
Step S422, PGW send and create conversational response to TWAN, and in establishment conversational response, having comprised PGW is the IP address that UE distributes.
Step S424, GTP tunnel have been set up.
Step S426, TWAN receive behind IP address, can be IP address assignment association or direct correlation sign.TWAN also can first judge that other PDN whether IP address has been accessed with UE connects corresponding existing IP address repetition after receiving IP address, repeats, then be the associated sign in IP address if IP address and existing IP address are known in judgement.
Step S428, TWAN send the sign of IP address He YuIP address association to UE, IP address and sign can send by dhcp message, and the embodiment of the present invention does not limit carrying the type of message of IP address and sign.
Step S430, TWAN receive the session termination request that HSS/AAA sends, and in session termination request, comprise connection identifier, and connection identifier can be IP address or APN.
Step S432, TWAN send to PGW the session request of deleting.
Step S434, PGW and HSS/AAA carry out PGW address renewal process.
Step S436, PGW initiate the IP-CAN session termination process with hPCRF, carry out IP-CAN session termination flow process.
Step S438, PGW send and delete conversational response to TWAN, delete in conversational response and comprise connection identifier, and connection identifier is consistent with the connection identifier in session termination request in step S430.
Step S440, TWAN delete connection identifier relevant information, if connection identifier is the relevant information that IP address is deleted in IP address, if connection identifier is APN, delete APN relevant information.
Step S440a, alternatively, if the connection identifier that the session termination request that TWAN receives in step S430 comprises has corresponding non-seamless wireless local area network (LAN) unloading (Non-seamless WLANoffload, be called for short NSWO), discharge the connection of the NSWO corresponding with connection identifier.
Step S442, TWAN send the release message that comprises the sign associated with connection identifier to UE.
Step S444, UE receive after the release message that comprises sign, delete sign relevant information.
Step S446, TWAN can reply session termination response to HSS/AAA.
According to the incidence relation of sign and connection identifier, determine in wish deletion conversational response and carry the sign associated with connection identifier, discharge the connection corresponding with sign, thereby guaranteed convenience all PDN connections corresponding to release connection sign accurately.
Fig. 5 is the structural representation of the embodiment mono-of credible WLAN (wireless local area network) access network equipment provided by the invention, and as shown in Figure 5, the credible WLAN (wireless local area network) access network equipment 500 that the present embodiment provides comprises:
The credible WLAN (wireless local area network) access network equipment 500 that the present embodiment provides, can be for the technical scheme of embodiment of the method shown in execution graph 1, and it realizes principle and technique effect is similar, repeats no more herein.
On the one hand, the processing module 520 in the credible WLAN (wireless local area network) access network equipment 500 providing embodiment illustrated in fig. 5 also for: according to the incidence relation between sign and IP address, discharge connection corresponding to IP address associated with sign.
Fig. 6 is the structural representation of the embodiment bis-of credible WLAN (wireless local area network) access network equipment provided by the invention, and as shown in Figure 6, the credible WLAN (wireless local area network) access network equipment 600 that the present embodiment provides, on basis embodiment illustrated in fig. 5, can also comprise:
The first sending module 630, for sending a notification message to UE, the first address field of notification message comprises sign, and the second address field of notification message comprises connection identifier.
The credible WLAN (wireless local area network) access network equipment 600 that above-described embodiment provides, can be for the corresponding part of carrying out of TWAN in the technical scheme of embodiment of the method shown in execution graph 2, and it realizes principle and technique effect is similar, repeats no more herein.
Fig. 7 is the structural representation of the embodiment tri-of credible WLAN (wireless local area network) access network equipment provided by the invention, as shown in Figure 7, the credible WLAN (wireless local area network) access network equipment 700 that the present embodiment provides, on basis embodiment illustrated in fig. 5, can also comprise the second sending module 730.
The second sending module 730, completes message for sending authentication to UE, and authentication completes and in message, comprises sign and connection identifier; Or, to UE, send beacon Beacon message, in Beacon message, comprise sign and connection identifier; Or, by access network vlan query protocol VLAN ANQP flow process, to UE, send sign and connection identifier with receiver module.
The credible WLAN (wireless local area network) access network equipment 700 that above-described embodiment provides, can be for the corresponding part of carrying out of TWAN in the technical scheme of embodiment of the method shown in execution graph 2, and it realizes principle and technique effect is similar, repeats no more herein.
It should be noted that, while comprising embodiment shown in Fig. 6 and Fig. 7 in embodiment of the present invention simultaneously, can select the first sending module 630 or the second sending module 730 one of them, to carry out all forwarding steps.
Fig. 8 is the structural representation of the embodiment tetra-of credible WLAN (wireless local area network) access network equipment provided by the invention, and as shown in Figure 8, the credible WLAN (wireless local area network) access network equipment 800 that the present embodiment provides comprises:
Receiver module 810, the deletion conversational response sending for receiving PGW, deletes conversational response and comprises connection identifier;
Processing module 820, for according to the incidence relation between sign and connection identifier, determines the sign associated with connection identifier;
Sending module 830, for sending release message to UE, release message comprises and sign, so that UE discharges the connection corresponding with sign.
The credible WLAN (wireless local area network) access network equipment 500 that the present embodiment provides, can be for the technical scheme of embodiment of the method shown in execution graph 3, and it realizes principle and technique effect is similar, repeats no more herein.
On the one hand, on the basis of the credible WLAN (wireless local area network) access network equipment 500 providing embodiment illustrated in fig. 8: receiver module 810 also for: receive the deletion conversational response that PGW sends, delete conversational response and comprise APN; Processing module 820 also for: according to the incidence relation between sign and APN, determine the sign associated with APN.
On the other hand, on the basis of the credible WLAN (wireless local area network) access network equipment 500 providing embodiment illustrated in fig. 8: receiver module 810 also for: receive the deletion conversational response that PGW sends, delete conversational response and comprise IP address; Processing module 820 also for: according to the incidence relation between sign and IP address, determine the sign associated with IP address.
The credible WLAN (wireless local area network) access network equipment 800 that above-described embodiment provides, can be for the corresponding part of carrying out of TWAN in the technical scheme of embodiment of the method shown in execution graph 4, and it realizes principle and technique effect is similar, repeats no more herein.
Fig. 9 is the structural representation of the embodiment mono-of subscriber equipment provided by the invention, and as shown in Figure 9, the subscriber equipment 900 that the present embodiment provides comprises:
Sending module 920, for sending release message to credible WLAN (wireless local area network) Access Network TWAN, release message comprises sign, so that TWAN discharges connection corresponding to connection identifier associated with sign.
Further, subscriber equipment 900 can also comprise receiver module 930, the incidence relation sending for receiving TWAN.
The subscriber equipment that the present embodiment provides, by carry the sign corresponding with the connection identifier of wanting release connection in release message, make TWAN know the connection identifier associated with sign, thereby discharge corresponding connection, thereby guaranteed convenience all PDN connections corresponding to release connection sign accurately.
Figure 10 is the structural representation of the embodiment five of credible WLAN (wireless local area network) access network equipment provided by the invention, as shown in figure 10, this is credible, and WLAN (wireless local area network) access network equipment 1000 comprises at least one processor 1001, CPU for example, at least one network interface 1004 or other user interfaces 1003, memory 1005, and at least one communication bus 1002.Communication bus 1002 is for realizing the connection communication between these devices.This is credible, and WLAN (wireless local area network) access network equipment 1000 optionally comprises user interface 1003, comprises display, keyboard or pointing device.Memory 1005 may comprise high-speed RAM memory, also may also comprise non-unsettled memory (non-volatile memory), for example at least one magnetic disc store.Memory 1005 optionally can comprise at least one and be positioned at the storage device away from aforementioned processing device 1001.In some embodiments, memory 1005 has been stored following element, coding, and module or data structure, or their subset, or their superset:
Receiver 1010, for the release message sending for receiving user equipment (UE), described release message comprises sign.Accordingly, processor 1001, for according to the incidence relation between sign and connection identifier, discharges connection corresponding to connection identifier associated with described sign.
Further, processor 1001 also for: according to the incidence relation between sign and IP address, discharge connection corresponding to IP address associated with described sign.
Further, the first transmitter 1020, for sending a notification message to described UE, the first address field of described notification message comprises described sign, and the second address field of described notification message comprises described connection identifier.
Further, processor 1001 also for: according to the incidence relation between sign and APN, discharge connection corresponding to APN associated with described sign.
Further, the second transmitter 1030, for: to described UE, send authentication and complete message, described authentication completes and in message, comprises described sign and connection identifier; Or, to described UE, send Beacon message, in described Beacon message, comprise described sign and connection identifier; Or, by access network vlan query protocol VLAN ANQP flow process, to described UE, send described sign and connection identifier with described receiver.
The credible WLAN (wireless local area network) access network equipment 1000 that above-described embodiment provides, can be for embodiment of the method shown in execution graph 1, or the corresponding part of carrying out of TWAN in the technical scheme of embodiment of the method shown in Fig. 2, it realizes principle and technique effect is similar, repeats no more herein.
Figure 11 is the structural representation of the embodiment six of credible WLAN (wireless local area network) access network equipment provided by the invention, as shown in figure 11, this is credible, and WLAN (wireless local area network) access network equipment 1100 comprises at least one processor 1101, CPU for example, at least one network interface 1104 or other user interfaces 1103, memory 1105, and at least one communication bus 1102.Communication bus 1102 is for realizing the connection communication between these devices.This is credible, and WLAN (wireless local area network) access network equipment 1100 optionally comprises user interface 1103, comprises display, keyboard or pointing device.Memory 1105 may comprise high-speed RAM memory, also may also comprise non-unsettled memory (non-volatile memory), for example at least one magnetic disc store.Memory 1105 optionally can comprise at least one and be positioned at the storage device away from aforementioned processing device 1101.In some embodiments, memory 1105 has been stored following element, coding, and module or data structure, or their subset, or their superset:
Operating system 1106, comprises various programs, for realizing various basic businesses and processing hardware based task; And receiver 1110 and transmitter 1120.Concrete:
Receiver 1110, the deletion conversational response sending for receiving PGW, described deletion conversational response comprises connection identifier;
Processor 1101, for according to the incidence relation between sign and connection identifier, determines the sign associated with described connection identifier;
Transmitter 1120, for sending release message to UE, described release message comprises and described sign, so that described UE discharges the connection corresponding with described sign.
Further, receiver 1110 also for: receive the described deletion conversational response that described PGW sends, described deletion conversational response comprises APN; Described processor 1101 also for: according to the incidence relation between sign and APN, determine the sign associated with described APN.
Further, receiver 1110 also for: receive the described deletion conversational response that described PGW sends, described deletion conversational response comprises IP address; Described processor 1101 also for: according to the incidence relation between sign and IP address, determine the sign associated with described IP address.
The credible WLAN (wireless local area network) access network equipment 1100 that above-described embodiment provides, can be for embodiment of the method shown in execution graph 3, or the corresponding part of carrying out of TWAN in the technical scheme of embodiment of the method shown in Fig. 4, it realizes principle and technique effect is similar, repeats no more herein.
Figure 12 is the structural representation of the embodiment bis-of subscriber equipment provided by the invention, as shown in figure 12, the subscriber equipment 1200 that the present embodiment provides comprises: memory 1201, chip 1202, RF circuit 1203, external interface 1204, voicefrequency circuit 1205 and, I/O (I/O) subsystem 1206 and touch screen 1207.Wherein, chip 1202 comprises: processor 1210, Memory Controller, processing unit CPU and Peripheral Interface; Memory 1201 comprises: other functional modules such as receiver 1220, transmitter 1230 and operating system.
Said modules communicates by one or more communication bus or holding wire, and subscriber equipment 1200 can include but not limited to mobile phone or panel computer etc.Each assembly shown in Figure 12 can be realized with the combination of hardware, software or software and hardware, comprises one or more signals processing and/or application-specific integrated circuit (ASIC).Memory 1201 can comprise high-speed random access memory, non-volatile solid state memory device etc.The access of other assembly such as CPU and Peripheral Interface that Memory Controller can be controlled subscriber equipment 1200 to memory 1201, carries out corresponding function with each module of calling in memory 1201.
Processor 1210, for according to the incidence relation between sign and connection identifier, determines sign;
Transmitter 1230, for sending release message to credible WLAN (wireless local area network) Access Network TWAN, described release message comprises described sign, so that described TWAN discharges connection corresponding to connection identifier associated with described sign.
Further, receiver 1220, the described incidence relation sending for receiving TWAN.
The subscriber equipment 1200 that the present embodiment provides, by carry the sign corresponding with the connection identifier of wanting release connection in release message, make TWAN know the connection identifier associated with sign, thereby discharge corresponding connection, thereby guaranteed convenience all PDN connections corresponding to release connection sign accurately.
In sum, the method and apparatus of Packet Data Network's Connection Release that the embodiment of the present invention provides, the in the situation that of IP address and the repetition of other IP address, by carry the sign associated with IP address in release message, TWAN connects according to the sign PDN corresponding with the incidence relation releasing IP addresses of IP address; Or, in the situation that need to discharge all PDN that a certain APN is corresponding, connect, in release message, carry the sign associated with APN, TWAN, according to the incidence relation of sign and APN, once discharges all PDN that APN is corresponding and connects.By carry the sign associated with connection identifier in release message, according to the incidence relation of sign and connection identifier, discharge connection corresponding to connection identifier associated with sign, thereby guaranteed convenience all PDN connections corresponding to release connection sign accurately.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize with hardware, or firmware realization, or their compound mode realizes.When using software to realize, one or more instructions or the code that above-mentioned functions can be stored in computer-readable medium or on computer-readable medium transmit.Computer-readable medium comprises computer-readable storage medium and communication media, and wherein communication media comprises any medium of being convenient to transmit from a place to another place computer program.Storage medium can be any usable medium that computer can access.As example but be not limited to: computer-readable medium can comprise RAM, ROM, EEPROM, CD-ROM or other optical disc storage, magnetic disk storage medium or other magnetic storage apparatus or can be used in carry or store the expectation with instruction or data structure form program code and can be by any other medium of computer access.In addition.Any connection can be suitable become computer-readable medium.For example, if software be use coaxial cable, optical fiber cable, twisted-pair feeder, Digital Subscriber Line (DSL) or the wireless technology such as infrared ray, radio and microwave from website, server or the transmission of other remote source, so coaxial cable, optical fiber cable, twisted-pair feeder, DSL or the wireless technology such as infrared ray, wireless and microwave be included under in the photographic fixing of medium.As used in the present invention, dish (Disk) and dish (disc) comprise compression laser disc (CD), laser dish, laser disc, digital universal laser disc (DVD), floppy disk and Blu-ray Disc, the copy data of the common magnetic of its mid-game, dish carrys out the copy data of optics with laser.Within combination above also should be included in the protection range of computer-readable medium.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (20)
- The method of 1.Yi Zhong Packet Data Network Connection Release, is characterized in that, comprising:Receive the release message that user equipment (UE) sends, described release message comprises sign;According to the incidence relation between sign and connection identifier, discharge connection corresponding to connection identifier associated with described sign.
- 2. method according to claim 1, is characterized in that, described according to the incidence relation between sign and connection identifier, discharges connection corresponding to connection identifier associated with described sign, comprising:According to the incidence relation between sign and IP address, discharge connection corresponding to IP address associated with described sign.
- 3. method according to claim 1 and 2, is characterized in that, before the release message that described reception UE sends, also comprises:To described UE, send a notification message, the first address field of described notification message comprises described sign, and the second address field of described notification message comprises described connection identifier.
- 4. method according to claim 3, is characterized in that, described notification message is that DynamicHost arranges protocol DHCP message;The client address field of described dhcp message comprises described sign, and the server address field of described dhcp message comprises described connection identifier; Or,The client address field of described dhcp message comprises described connection identifier, and the server address field of described dhcp message comprises described sign.
- 5. method according to claim 1, is characterized in that, described according to the incidence relation between sign and connection identifier, discharges connection corresponding to connection identifier associated with described sign, comprising:According to the incidence relation between sign and APN APN, discharge connection corresponding to APN associated with described sign.
- 6. method according to claim 1 or 5, is characterized in that, before the release message that described reception UE sends, also comprises:To described UE, send authentication and complete message, described authentication completes and in message, comprises described sign and connection identifier; Or,To described UE, send beacon Beacon message, in described Beacon message, comprise described sign and connection identifier; Or,By access network vlan query protocol VLAN ANQP flow process, to described UE, send described sign and connection identifier.
- The method of 7.Yi Zhong Packet Data Network Connection Release, is characterized in that, comprising:Receive the deletion conversational response that packet data network gateway PGW sends, described deletion conversational response comprises connection identifier;According to the incidence relation between sign and connection identifier, determine the sign associated with described connection identifier;To UE, send release message, described release message comprises and described sign, so that described UE discharges the connection corresponding with described sign.
- 8. method according to claim 7, is characterized in that, the deletion conversational response that described reception PGW sends, and described deletion conversational response comprises connection identifier, comprising:Receive the described deletion conversational response that described PGW sends, described deletion conversational response comprises APN;Described according to the incidence relation between sign and connection identifier, determine the sign associated with described connection identifier, comprising:According to the incidence relation between sign and APN, determine the sign associated with described APN.
- 9. method according to claim 7, is characterized in that, the deletion conversational response that described reception PGW sends, and described deletion conversational response comprises connection identifier, comprising:Receive the described deletion conversational response that described PGW sends, described deletion conversational response comprises IP address;Described according to the incidence relation between sign and connection identifier, determine the sign associated with described connection identifier, comprising:According to the incidence relation between sign and IP address, determine the sign associated with described IP address.
- 10. a subscriber equipment, is characterized in that, comprising:Processing module, for according to the incidence relation between sign and connection identifier, determines sign;Sending module, for sending release message to credible WLAN (wireless local area network) Access Network TWAN, described release message comprises described sign, so that described TWAN discharges connection corresponding to connection identifier associated with described sign.
- 11. equipment according to claim 10, is characterized in that, also comprise:Receiver module, the described incidence relation sending for receiving TWAN.
- 12. 1 kinds of credible WLAN (wireless local area network) access network equipments, is characterized in that, comprising:Receiver module, the release message sending for receiving user equipment (UE), described release message comprises sign;Processing module, for according to the incidence relation between sign and connection identifier, discharges connection corresponding to connection identifier associated with described sign.
- 13. equipment according to claim 12, is characterized in that, described processing module also for:According to the incidence relation between sign and IP address, discharge connection corresponding to IP address associated with described sign.
- 14. according to the equipment described in claim 12 or 13, it is characterized in that, also comprises:The first sending module, for sending a notification message to described UE, the first address field of described notification message comprises described sign, and the second address field of described notification message comprises described connection identifier.
- 15. equipment according to claim 14, is characterized in that, described notification message is that DynamicHost arranges protocol DHCP message;The client address field of described dhcp message comprises described sign, and the service module address field of described dhcp message comprises described connection identifier; Or,The client address field of described dhcp message comprises described connection identifier, and the service module address field of described dhcp message comprises described sign.
- 16. equipment according to claim 12, is characterized in that, described processing module also for:According to the incidence relation between sign and APN, discharge connection corresponding to APN associated with described sign.
- 17. according to the equipment described in claim 12 or 16, it is characterized in that, also comprises:The second sending module, for:To described UE, send authentication and complete message, described authentication completes and in message, comprises described sign and connection identifier; Or,To described UE, send beacon Beacon message, in described Beacon message, comprise described sign and connection identifier; Or,By access network vlan query protocol VLAN ANQP flow process, to described UE, send described sign and connection identifier with described receiver module.
- 18. 1 kinds of credible WLAN (wireless local area network) access network equipments, is characterized in that, comprising:Receiver module, the deletion conversational response sending for receiving PGW, described deletion conversational response comprises connection identifier;Processing module, for according to the incidence relation between sign and connection identifier, determines the sign associated with described connection identifier;Sending module, for sending release message to UE, described release message comprises and described sign, so that described UE discharges the connection corresponding with described sign.
- 19. equipment according to claim 18, is characterized in that, described receiver module also for:Receive the described deletion conversational response that described PGW sends, described deletion conversational response comprises APN;Described processing module also for:According to the incidence relation between sign and APN, determine the sign associated with described APN.
- 20. equipment according to claim 18, is characterized in that, described receiver module also for:Receive the described deletion conversational response that described PGW sends, described deletion conversational response comprises IP address;Described processing module also for:According to the incidence relation between sign and IP address, determine the sign associated with described IP address.
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