CN103905570B - IP address delete processing, delet method and the device of multiple stack carrying - Google Patents
IP address delete processing, delet method and the device of multiple stack carrying Download PDFInfo
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Abstract
The present invention provides IP address delete processing, delet method and the devices of a kind of carrying of multiple stack, wherein above-mentioned IP address deletion processing method is applied to access network elements, and this method includes：Obtain the instruction for deleting specified IP address type；It sends and indicates to P-GW, wherein the interface between P-GW and access network elements supports GTP session, and IP multiple stack is supported in the GTP session.Using above-mentioned technical proposal provided by the invention, it solves in the related technology, under the scene of UE and network support IP multiple stack, it there is no the ` art problem such as solution of IP address type for effectively discharging and not using, to realize the release to the IP address not used, IP address resource is effectively saved.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of Internet protocol of multiple stack carrying（Internet
Protocol, referred to as IP）Address delete processing, delet method and device.
Background technique
Third generation partner program（3rd Generation Partnership Project, referred to as 3GPP）Drill
Into grouping system（Evolved Packet System, referred to as EPS）By the Universal Terrestrial Radio Access Network of evolution
（Evolved Universal Terrestrial Radio Access Network, referred to as E-UTRAN）, mobile management list
Member（Mobility Management Entity, referred to as MME）, gateway（Serving Gateway, referred to as S-
GW）, grouped data network gateway（Packet Data Network Gateway, referred to as PDN GW or P-GW）And ownership
Client server（Home Subscriber Server, referred to as HSS）Composition.
As shown in Figure 1, EPS supports the intercommunication with non-3 GPP system, wherein the intercommunication with non-3 GPP system passes through S2a/b/
C interface realizes that PDN GW is as the anchor point between 3GPP and non-3 GPP system.In the system architecture of EPS, non-3 GPP system access
It is divided into trustless non-3 GPP access and trusted non-3 GPP access；Wherein, trustless non-3 GPP access need to pass through evolution
Packet data gateway（Evolved Packet Data Gateway, referred to as ePDG）It is connected with PDN GW, ePDG and PDN
Interface between GW is S2b；Trusted non-3 GPP access can directly be connect by S2a interface with PDN GW, and S2a interface uses PMIP
Agreement carries out information exchange；In addition, S2c interface provides user equipment（UserEquipment, UE）With the use between PDN GW
The relevant control in family face and mobility support, the mobility management protocol supported are the mobile IP v 6 (Moblie for supporting double stacks
IPv6Support for Dual Stack Hosts and Routers, referred to as DSMIPv6), it can be used for trustless
Non-3 gpp and trusted non-3 GPP access.
Currently, many operators think, Wireless LAN（Wireless Local Area Network, referred to as
WLAN）It can be used as non-3 GPP system trusty, WLAN trusty accesses net（Trusted WLAN Access
Network, referred to as TWAN）The non-3 GPP access of alternate figures 1, as shown in Figure 2.Therefore, UE is accessed by WLAN trusty
The problem that interconnects of EPS is gradually taken seriously and begins one's study, and the prior art has relevant framework and generates.The one of WLAN
The P-GW of a logical ne and 3GPP support GPRS Tunnel Protocol by the intercommunication of S2a interface, S2a interface（GPRSTunneling
Protocol, referred to as GTP）/ proxy mobile IP protocol（Proxy Mobile IP, referred to as PMIP）.
If 3GPP UE supports the bis- stacks of IPv4v6, after being accessed by WLAN, it is possible to can distinguish from 3GPP network
The address IPv4 and the address IPv6 or IPv6 prefix are obtained, while accessing identical mobile service packet network.In the prior art
In（As shown in Figure 3）, when UE sends the message of IP address requesting to TWAN, TWAN can request creation S2a session to PDN GW, and
S2a session may establish the double stack sessions for supporting IPv4v6.Specific step is as follows：
Step 301：The distinctive process of non-3 gpp is executed between UE and TWAN.
Step 302-303：TWAN is as expansible authentication protocol（Extensible Authentication
Protocol, referred to as EAP）Authenticator executes EAP authentication and authorization flow.
Step 304：UE sends dynamic host configuration protocol to TWAN（Dynamic Host Configure Protocol,
Referred to as DHCP）It was found that（DHCPv4）Message, request distribute the address IPv4, the PDN type of request are carried in message.
Step 305：TWAN receives DHCP discovery（DHCPv4）After message, according to UE send request PDN type and
The PDN type of signing negotiates the PDN type that a UE and network are all supported.Then, to PDN GW send creation session request or
Person's agent binding update messages, the PDN type in the message comprising negotiating.If the PDN type negotiated is IPv4v6,
Also it can represent comprising double stack markers in the message and support the bis- stacks of IPv4 and IPv6.
Step 306：The operation of IP-CAN session establishment is executed between PDN GW and PCRF.
Step 307：PDN GW passes through authentication and authorization charging service（Authentication,Authorization
AndAccounting, referred to as AAA）Service（Server）, the address PDN GW is updated to HSS.
Step 308：PDN GW sends creation conversational response or proxy binding acknowledgment messages to TWAN.If PDN GW is received
If double stack markers, then the address IPv4 and the address IPv6 or IPv6 prefix are distributed respectively for UE, and carry by the message
To TWAN.After TWAN receives the message, the address IPv4 and the address IPv6 or IPv6 prefix that UE is distributed can be locally saved as.
Step 309：TWAN replys DHCP to UE and provides（DHCPv4）Message may include UE IP address in message.
Step 310-311：UE sends DHCP request to TWAN（DHCPv4）, TWAN to UE reply DHCP confirmation（DHCPv4）
Message includes the address UE IPv4 in the message.
Step 312：After UE obtains the address IPv4, solicitation message may be sent to TWAN（DHCPv6）, request distribution
The address IPv6 or IPv6 prefix.
Step 313：TWAN, which is received, to be solicited（DHCPv6）After message, notice message is replied to UE, may include in message
The address IPv6 or IPv6 prefix.
Step 314-315：UE sends to TWAN and requests（DHCPv6）, TWAN to UE reply reply（DHCPv6）Message, should
It include the address IPv6 or IPv6 prefix in message.
Above-mentioned process is that UE first passes through DHCPv4 message, requests the address IPv4, then passes through DHCPv6 message, request again
The address IPv6 or IPv6 prefix.If UE first passes through DHCPv6 message, the address IPv6 or IPv6 prefix are requested, is then led to again
DHCPv4 message is crossed, if requesting the address IPv4, in above-mentioned process, the process of DHCPv4 and DHCPv6 message is intercoursed i.e.
It can.
Above-mentioned process just under the scene of UE and the bis- stacks of network support IPv4v6, how for UE with distributing IPv4 respectively
The process of location and the address IPv6 or IPv6 prefix.But after terminal UE obtains two IP address, if terminal UE is not
It being further continued for using some address, present scheme can not but discharge the address, and especially, IPv4 address resource is more and more limited,
If the IP address not used cannot be discharged in time, IP address waste will cause.
Equally, pass through the S2b of fly-by-night non-3 GPP access in UE（Support GTP）The S5/S8 of interface and 3GPP access
（Support GTP）Under interface scene, there is also the above problems.
In view of the above problems in the related art, currently no effective solution has been proposed.
Summary of the invention
For in the related technology, under the scene of UE and network support IP multiple stack, the IP for effectively discharging and not using there is no
The technical problems such as the solution of address style, the present invention provides a kind of IP address delete processing of multiple stack carrying, deletion side
Method and device, at least to solve the above problems.
According to an aspect of the invention, there is provided a kind of IP address deletion processing method of multiple stack carrying, applied to connecing
Network element, this method include：Obtain the instruction for deleting specified IP address type；It sends and indicates to P-GW, wherein P-
Interface between GW and access network elements supports GTP session, and IP multiple stack is supported in the GTP session.
Preferably, above-mentioned instruction is carried in following one message, sends and indicates to P-GW：Modification carrying request disappears
Breath, deletes conversation request message, is exclusively used in sending the message comprising instruction at modification carrying request triggering message.
Preferably, above-mentioned instruction includes：1 indicates to delete the address IPv4, and 2 indicate to delete the address IPv6 or IPv6 prefix；
Alternatively, IPv4 indicates to delete the address IPv4, IPv6 indicates to delete the address IPv6 or IPv6 prefix.
Preferably, the instruction for deleting specified IP address type is obtained, including：The DHCP release that UE is sent is received to disappear
Breath obtains instruction from DHCP release message, or obtains instruction from local.
Preferably, above-mentioned access network element includes following one：Non-3 GPP access network element, ePDG or 3GPP access net net
WLAN WLAN access network elements first, trusty.
Preferably, specified IP address type includes at least one of：IPv4,IPv6.
According to another aspect of the present invention, a kind of IP address delet method of multiple stack carrying is provided, P-GW is applied to,
This method includes：Receive that access network elements send for deleting the instruction of specified IP address type, wherein above-mentioned P-GW with
Interface between access network elements supports GTP session, and IP multiple stack is supported in the GTP session；Delete IP corresponding with above-mentioned instruction
Address style.
Preferably, above-mentioned instruction is carried in following one message, receives instruction：Modify bearing request message, modification
Carrying request triggering message deletes conversation request message, is exclusively used in sending the message of instruction.
Preferably, above-mentioned instruction includes：1 indicates to delete the address IPv4, and 2 indicate to delete the address IPv6 or IPv6 prefix；
Alternatively, IPv4 indicates to delete the address IPv4, IPv6 indicates to delete the address IPv6 or IPv6 prefix.
Preferably, specified IP address type includes at least one of：The address IPv4, the address IPv6.
Preferably, above-mentioned access network element includes following one：Non-3 GPP access network element, ePDG, 3GPP access network elements,
WLAN access network elements trusty.
According to a further aspect of the invention, a kind of IP address deletion processing method of multiple stack carrying is provided, is applied to
Access network elements, this method include：Receive the message for the release IPv6 that UE is sent；Under the triggering of the message, sent to P-GW
Delete conversation request message.
Preferably, above-mentioned message includes：Dynamic host configuration protocol version d HCPv6 release message.
Preferably, above-mentioned access network elements include following one：Non-3 GPP access network element, ePDG, 3GPP access net net
WLAN access network elements first, trusty.
According to a further aspect of the invention, a kind of IP address delete processing device of multiple stack carrying is provided, positioned at connecing
In network element, which includes：Module is obtained, for obtaining the instruction for deleting specified IP address type；Send mould
Block is indicated for sending to P-GW, wherein the interface between P-GW and access network elements supports GTP session, and the GTP session
Support IP multiple stack.
Preferably, above-mentioned sending module is sent above-mentioned for carrying above-mentioned instruction in following one message to P-GW
Instruction：Modification bearing request message, deletes conversation request message, is exclusively used in sending instruction at modification carrying request triggering message
Message.
According to a further aspect of the invention, the internet protocol address for providing a kind of multiple stack carrying deletes device,
In P-GW, which includes：Receiving module, for receive access network elements transmission for deleting specified IP address class
The instruction of type, wherein the interface between P-GW and access network elements supports GTP session, and IP multiple stack is supported in the GTP session；It deletes
Except module, for deleting IP address type corresponding with above-mentioned instruction.
According to a further aspect of the invention, a kind of IP address delete processing device of multiple stack carrying is provided, is applied to
Access network elements, the device include：Receiving module, for receiving the message from the UE release IPv6 sent；Sending module,
For being sent to P-GW and deleting conversation request message under the triggering of above-mentioned message.
Through the invention, it using the technological means for the instruction for sending the IP address type for deletion to P-GW, solves
In the related technology, under the scene of UE and network support IP multiple stack, it there is no and effectively discharge the IP address type not used
The technical problems such as solution effectively save IP address resource to realize the release to the IP address not used.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the network structure of the 3GPP network and non-3 GPP network intercommunication according to the relevant technologies；
Fig. 2 is the network structure of the WLAN trusty and 3GPP network interworking according to the relevant technologies；
Fig. 3 is to negotiate to support under the bis- stacks of IPv4v6 according to the UE and network of the relevant technologies, and UE is connect by WLAN trusty
The flow diagram entered；
Fig. 4 is the flow chart of the IP address deletion processing method carried according to the multiple stack of the embodiment of the present invention 1；
Fig. 5 is the flow chart that the address IPv4 is deleted using modification bearing request message according to the embodiment of the present invention 1；
Fig. 6 is the flow chart that the address IPv6 is deleted using modification bearing request message according to the embodiment of the present invention 1；
Fig. 7 is the flow chart that the address IPv4 is deleted using modification carrying request triggering message according to the embodiment of the present invention 1；
Fig. 8 is the flow chart that the address IPv6 is deleted using modification carrying request triggering message according to the embodiment of the present invention 1；
Fig. 9 is to utilize the process for deleting the conversation request message deletion address IPv4 and IPv6 according to the embodiment of the present invention 3
Figure；
Figure 10 is the structural block diagram of the IP address delete processing device carried according to the multiple stack of the embodiment of the present invention 1；
Figure 11 is the flow chart of the IP address delet method carried according to the multiple stack of the embodiment of the present invention 2；
Figure 12 is that the IP address carried according to the multiple stack of the embodiment of the present invention 2 deletes the structural block diagram of device；
Figure 13 is the flow chart of the IP address deletion processing method carried according to the multiple stack of the embodiment of the present invention 3；
Figure 14 is the structural block diagram of the IP address delete processing device carried according to the multiple stack of the embodiment of the present invention 3.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
In view of in the related technology, under the scene of UE and the bis- stacks of network support IPv4v6, cannot effectively discharge no longer
The specified IP address used provides relevant solution so as to cause technical problems such as IP address wastes with reference to embodiments
Scheme is now described in detail.
Embodiment 1
Fig. 4 is the flow chart of the IP address deletion processing method carried according to the multiple stack of the embodiment of the present invention 1.This method is answered
For access network elements, as shown in figure 4, this method includes：
Step S402 obtains the instruction for deleting specified IP address type；
Step S404 sends above-mentioned instruction to P-GW, wherein the interface GTP session between P-GW and access network elements, and
IP multiple stack is supported in the GTP session.
By above-mentioned treatment process, due to having sent the instruction message for deleting specified IP address type to P-GW,
It is thereby achieved that the deletion to the IP address type not used, saves IP address resource.
In the present embodiment, above-mentioned interface can be S2a interface or S2b interface.The IP address of above-mentioned specified type can be with
It is one, or multiple.
In the present embodiment, there are many modes for sending above-mentioned instruction message, such as can be carried in existing biography
It is sent in defeated message, above-mentioned transmission message includes but is not limited to following one：Modify bearing request message, modification carrying request touching
Hair message deletes conversation request message, is exclusively used in sending the message of instruction message.In addition, in the present embodiment, above-mentioned specified class
The IP address of type includes but is not limited at least one of：The address IPv4, the address IPv6.It is described further below.
1, for modifying bearing request message
When deleting the address IPv4, can be realized using implementation process as shown in Figure 5, during the realization：
UE accesses EPC by WLAN trusty, wherein PDN type is to support IPv4v6, supports to pass through a S2a meeting
Words while one address IPv4 of distribution and an address IPv6 or IPv6 prefix.In such a scenario, UE request is deleted wherein
The process of one address.As shown in figure 5, the process includes：
Step S502, UE send DHCP release message to TWAN（DHCPv4）, specific PDN connection pass is included in the message
The mark of connection（Including：VLANID, GRE key, PDN connection identifier etc.）.If multiple PDN connections be using VLAN ID or
If GRE key is identified, then the DHCP release message may be encapsulated using corresponding VLAN ID or GRE key,
TWAN can according to DHCP release message be packaged VLAN ID or GRE key or comprising the associated mark of PDN connection
Know, to find associated PDN connection.
Step S504, after TWAN receives DHCP release message, according in the message the address IPv4 or messages option
Definition difference identify it as DHCPv4 message, then the address IPv4 will be deleted by representing it, then send modification carrying to PDN GW
Request message, the message may be deletion conversation request message or other existing or newly-increased message, include to delete in the message
Except the instruction of the address IPv4.Wherein, deleting instruction information can indicate in the following manner：1 be expressed as delete the address IPv4,2
It is identified as and deletes the address IPv6 or IPv6 prefix, alternatively, IPv4, which is represented, deletes the address IPv4, IPv6, which is represented, deletes the address IPv6
Or IPv6 prefix, the specific address type to be deleted can also be identified otherwise.
The step can also locally be initiated by TWAN, rather than be triggered by step S502.Such as：TWAN takes as DHCP
It is engaged in device, detects that the address IPv4 expires or other administrative reasons, and initiate the operation of the address above-mentioned deletion IPv4 to PDN GW.
The operation of IP-CAN session modification is executed between step S506, PDN GW and PCRF.
Step S508, PDN GW sends modification conversational response or proxy binding acknowledgment messages to TWAN.
Above-mentioned process is suitable for DHCPv4 and discharges process, if discharging process for DHCPv6, detailed process referring to Fig. 6,
It distinguishes as follows：
Step S602, UE send release message to TWAN（DHCPv6）, comprising connecting association with specific PDN in the message
Mark.Remaining content is similar with step S502, and details are not described herein again.
Step S604-S606：Similar with the step S502-S508 in Fig. 5, details are not described herein again, and difference is, IPv6
Location or IPv6 prefix replace the address IPv4.
Step S610, TWAN reply answer message to UE.If step S602 is executed, the step is executed.
2, request triggering message is carried for modification
During the realization, the difference with above-mentioned realization process 1 is TWAN triggering PDN GW starting update load bearing request
Message, detailed process is as shown in Figure 7,8, description that specific step is as follows：
Step S702, the step is similar with step S502 step, and details are not described herein again.
Step S704, TWAN receive DHCP release message（DHCPv4）Later, according in the message the address IPv4 or
The definition difference of messages option identifies it as DHCPv4 message, then the address IPv4 will be deleted by representing it, then repair to PDNGW transmission
Change carrying request triggering message, which may be deleting bearing request triggering message or other existing or newly-increased triggering
Message, to trigger the operation of PDN GW starting update load bearing.Instruction information comprising the deletion address IPv4 in the message.Wherein,
Deleting instruction information can indicate in the following manner：1 be expressed as delete the address IPv4,2 be expressed as delete the address IPv6 or
IPv6 prefix, alternatively, IPv4, which is represented, deletes the address IPv4, IPv6, which is represented, deletes the address IPv6 or IPv6 prefix, can also lead to
Other way is crossed to identify the specific address type to be deleted.
Step S706, PDN GW initiates the message of modification carrying request to TWAN, which, which is also possible to deleting bearing, asks
Message is sought, or using other existing or newly-increased message.
The operation of IP-CAN session modification is executed between step S708, PDN GW and PCRF.
Step S710, PDN GW sends modification conversational response message or deleting bearing response message, Huo Zheqi to TWAN
The response message of its existing or newly-increased message.
Above-mentioned process is suitable for DHCPv4 and discharges process, process is discharged for DHCPv6, referring specifically to Fig. 8：
Step S802, UE send release message to TWAN, include to connect associated mark with specific PDN in the message.
Remaining content is similar with step S502, and details are not described herein again.
Step S804-S810：Similar with step S704-S710, difference is only that, the address IPv6 or IPv6 prefix replace
The address IPv4.
Step S812, TWAN reply answer message to UE.If step S802 is executed, the step is executed.
3, for deleting conversation request message
The address IPv6 or IPv6 prefix can be individually deleted in the implementation process, and retain the address IPv4, still,
Under the address IPv6 or the more sufficient scene of IPv6 prefix resource, UE may be come simultaneously by sending DHCPv6 release message
All IP address are discharged, detailed process is referring to described in embodiment 3, and details are not described herein again.
In the present embodiment, non-3 GPP access network element can go down to send above-mentioned instruction message in the triggering of specified message,
It can also actively go to send above-mentioned instruction message.
In the present embodiment, there are many modes for obtaining above-mentioned instruction, such as can be in local acquisition, can also be from third
Side obtains, and for second of implementation, can show as following implemented process in the specific implementation：Receive the DHCP that UE is sent
Release message obtains instruction from the DHCP release message.
In the present embodiment, above-mentioned access network elements, can include but is not limited to following one：Non-3 GPP access network net
Member, ePDG, 3GPP access network elements.Wherein, non-3 GPP access network element, including：Non-3 GPP access network element trusty and not
Non-3 GPP access network element trusty.Non-3 GPP access network element trusty may include：WLAN access network elements trusty.
A kind of IP address delete processing device of multiple stack carrying is additionally provided in the present embodiment, which is located at access net
In network element, for realizing above-described embodiment and preferred embodiment, the descriptions that have already been made will not be repeated, below to the device
In the module that is related to be illustrated.As used below, the software of predetermined function and/or hard may be implemented in term " module "
The combination of part.Although device described in following embodiment is preferably realized with software, hardware or software and hardware
The realization of combination be also that may and be contemplated.Figure 10 is that the IP address carried according to the multiple stack of the embodiment of the present invention 1 is deleted
The structural block diagram of processing unit.As shown in Figure 10, which includes：
Module 102 is obtained, sending module 104 is connected to, for obtaining the instruction for deleting specified IP address type；
Sending module 104, for sending the above-mentioned instruction that above-mentioned acquisition module 102 obtains to P-GW, wherein P-GW with connect
Interface between network element supports GTP session, and IP multiple stack is supported in the GTP session.
The function of being realized by above-mentioned modules equally may be implemented to the certain types of IP address not used
It deletes, saves IP address resource.
In the present embodiment, above-mentioned sending module 104 is also used to carry instruction message in following one message, to
P-GW or E-PDG sends instruction message：Modification bearing request message, modification, which carry, which requests triggering message, deletes session request disappears
It ceases, be exclusively used in sending the message of above-mentioned instruction.
Embodiment 2
The present embodiment is corresponding with embodiment 1, is illustrated in the side P-GW.Figure 11 is according to the more of the embodiment of the present invention 2
The flow chart of the IP address delet method of stack carrying.This method is applied to P-GW.As shown in figure 11, this method includes：
Step S1102 receives the instruction for being used to delete specified IP address type that access network elements are sent, wherein P-
Interface between GW and access network elements supports GTP session, and IP multiple stack is supported in the GTP session；
Step S1104 deletes IP address type corresponding with above-mentioned instruction.
By above-mentioned processing step, since P-GW can be used to delete the instruction of the IP address of specified type based on the received
Therefore the IP address that message deletes specified type can equally save IP address resource.
In the present embodiment, there are many modes for receiving above-mentioned instruction message, for example, can by above-mentioned instruction carry with
In one of lower message, above-mentioned instruction is received：It modifies bearing request message, modification carrying request triggering message, delete session request
Message is exclusively used in sending the message of above-mentioned instruction
Identical in embodiment 1, the IP address type in the present embodiment includes but is not limited at least one of：IPv4
Location, the address IPv6.
In the present embodiment, the internet protocol address for additionally providing a kind of multiple stack carrying deletes device, the device position
In P-GW, as shown in figure 12, which includes：
Receiving module 1202 is connected to removing module 1204, for receiving the specified for deleting of access network elements transmission
IP address type instruction, wherein interface between P-GW and access network elements supports GTP session, and the GTP session is supported
IP multiple stack；
Removing module 1204, for deleting IP address type corresponding with above-mentioned instruction.
Embodiment 3
The process when address IPv6 is deleted in the description of the present embodiment emphasis.Figure 13 is to be held according to the multiple stack of the embodiment of the present invention 3
The flow chart of the IP address deletion processing method of load.This method is applied to access network elements, and as shown in figure 13, which includes：
Step S1302 receives the message for the release IPv6 that UE is sent；
Step S1304 sends to P-GW under the triggering of above-mentioned message and deletes conversation request message.
In the present embodiment, above-mentioned message includes but is not limited to：DHCPv6 release message.Also, with embodiment 1-2 class
Seemingly, above-mentioned access network elements include but is not limited to following one：Non-3 GPP access network element, ePDG, 3GPP access network elements.With
Lower detailed description：
In the present embodiment, it since the address IPv6 or IPv6 prefix resource are more sufficient, may not individually delete
The address IPv6 or IPv6 prefix, and retain the scene of the address IPv4.UE may be come simultaneously by sending DHCPv6 release message
All IP address are discharged, detailed process is shown in Figure 9：
Step S902, UE send release message to TWAN（DHCPv6）, comprising connecting association with specific PDN in the message
Mark.Other are the same as step 401.
Step S904 after TWAN receives the release message of UE transmission, identifies that it for DHCPv6 message, then sends out to PDN GW
Send the message for deleting session request.
IP-CAN session delete operation is executed between step S906, PDN GW and PCRF.
Step S908, PDN GW sends to TWAN and deletes conversational response message.
Step S910, TWAN reply answer message to UE.
It can be seen that by above-mentioned process when discharging IPv6, non-3 GPP access network element needs to receive to be sent out from UE
The message of the release IPv6 sent；Under the triggering of the message, is sent to P-GW and delete conversation request message.
In the present embodiment, a kind of IP address delete processing device of multiple stack carrying is additionally provided, access net net is applied to
Member, including：
Receiving module 1402 is connected to sending module 1404, for receiving the message from the UE release IPv6 sent；
Sending module 1404, for being sent to P-GW and deleting conversation request message under the triggering of the message.
It should be noted that above-mentioned all embodiments（Including embodiment 1-3）It is equally applicable to following access network：
1）When UE accesses 3GPP core net by fly-by-night non-3GPP access network, propped up between ePDG and PDN GW
GTP session is held, and multiple stack is supported in the session, then ePDG replaces above-mentioned TWAN network element, executes corresponding operation.
2）When UE accesses network insertion 3GPP core net by 3GPP, GTP session is supported between S-GW and PDN GW, and
Multiple stack is supported in the session, then S-GW replaces above-mentioned TWAN network element, executes corresponding operation.
In another embodiment, a kind of software is additionally provided, the software is for executing above-described embodiment and preferred reality
Apply technical solution described in mode.
In another embodiment, a kind of storage medium is additionally provided, above-mentioned software is stored in the storage medium, it should
Storage medium includes but is not limited to：CD, floppy disk, hard disk, scratch pad memory etc..
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (15)
1. a kind of internet protocol address deletion processing method of multiple stack carrying, is applied to access network elements, which is characterized in that
Including：
Obtain the instruction for deleting specified IP address type；
The instruction is sent to grouped data network gateway P-GW, wherein connecing between the P-GW and the access network elements
Mouth supports GPRS Tunnel Protocol GTP session, and IP multiple stack is supported in the GTP session；
Wherein, the instruction is carried in following one message, sends the instruction to the P-GW：Modification carrying request disappears
Breath, deletes conversation request message at modification carrying request triggering message.
2. the method according to claim 1, wherein the instruction includes：
1 indicates to delete the address IPv4, and 2 indicate to delete the address IPv6 or IPv6 prefix；Alternatively,
IPv4 indicates to delete the address IPv4, the IPv6 expression deletion address IPv6 or IPv6 prefix.
3. the method according to claim 1, wherein obtain the instruction for deleting specified IP address type,
Including：
The dynamic host configuration protocol DHCP release message that user equipment (UE) is sent is received, from the release message described in acquisition
Instruction；Alternatively,
The instruction is obtained from local.
4. method according to any one of claims 1 to 3, which is characterized in that the access network elements include following one：
Non- third generation partner program 3GPP access network elements, evolution packet data gateway ePDG, 3GPP access network elements,
WLAN WLAN access network elements trusty.
5. method according to any one of claims 1 to 3, which is characterized in that the specified IP address type include with
It is at least one lower：
IPv4、IPv6。
6. a kind of internet protocol address delet method of multiple stack carrying, is applied to grouped data network gateway P-GW, special
Sign is, including：
Receive the instruction for being used to delete specified IP address type that access network elements are sent, wherein the P-GW connects with described
Interface between network element supports GPRS Tunnel Protocol GTP session, and IP multiple stack is supported in the GTP session；
Delete IP address type corresponding with the instruction；
Wherein, the instruction is carried in following one message, receives the instruction：Modification bearing request message, modification are held
It carries request triggering message, delete conversation request message.
7. according to the method described in claim 6, it is characterized in that, the instruction includes：
1 indicates to delete the address IPv4, and 2 indicate to delete the address IPv6 or IPv6 prefix；Alternatively,
IPv4 indicates to delete the address IPv4, the IPv6 expression deletion address IPv6 or IPv6 prefix.
8. according to the method described in claim 6, it is characterized in that, the specified IP address type include it is following at least it
One：
The address IPv4, the address IPv6.
9. according to the method described in claim 6, it is characterized in that, the access network elements include following one：
Non- third generation partner program 3GPP access network elements, evolution packet data gateway ePDG, 3GPP access network elements,
WLAN WLAN access network elements trusty.
10. a kind of internet protocol address deletion processing method of multiple stack carrying, is applied to access network elements, feature exists
In, including：
Receive the message for the release IPv6 that user equipment (UE) is sent；
Under the triggering of the message, is sent to grouped data network gateway P-GW and delete conversation request message, wherein the P-
Interface between GW and the access network elements supports GPRS Tunnel Protocol GTP session, and IP multiple stack is supported in the GTP session；
Wherein, the method also includes the instruction for deleting specified IP address type, the finger are obtained from the message
Show carrying in following one message, sends the instruction to the P-GW：Modify bearing request message, modification carrying request touching
It sends out message, delete conversation request message.
11. according to the method described in claim 10, it is characterized in that, the message of the release IPv6 includes：DynamicHost is matched
Set protocol version DHCPv6 release message.
12. method described in 0 or 11 according to claim 1, which is characterized in that the access network elements include following one：
Non- third generation partner program 3GPP access network elements, evolution packet data gateway ePDG, 3GPP access network elements,
WLAN WLAN access network elements trusty.
13. a kind of internet protocol address delete processing device of multiple stack carrying, is located in access network elements, feature exists
In, including：
Module is obtained, for obtaining the instruction for deleting specified IP address type；
Sending module, for sending the instruction to grouped data network gateway P-GW, wherein the P-GW and the access net
Interface between network element supports GPRS Tunnel Protocol GTP session, and IP multiple stack is supported in the GTP session；
Wherein, the sending module sends the finger to the P-GW for carrying the instruction in following one message
Show：Modification bearing request message, deletes conversation request message, is exclusively used in sending the instruction at modification carrying request triggering message
Message.
14. a kind of internet protocol address of multiple stack carrying deletes device, it is located in grouped data network gateway P-GW, it is special
Sign is, including：
Receiving module, for receiving the instruction for being used to delete specified IP address type of access network elements transmission, wherein described
Interface between P-GW and the access network elements supports GPRS Tunnel Protocol GTP session, and IP multiple stack is supported in the GTP session；
Removing module, for deleting IP address type corresponding with the instruction；
Wherein, the instruction is carried in following one message, sends the instruction to the P-GW：Modification carrying request disappears
Breath, deletes conversation request message at modification carrying request triggering message.
15. a kind of internet protocol address delete processing device of multiple stack carrying, is applied to access network elements, feature exists
In, including：
Receiving module, for receiving the message of the release IPv6 sent from user equipment (UE)；
Sending module, for sending deletion session request to grouped data network gateway P-GW and disappearing under the triggering of the message
Breath, wherein the interface between the P-GW and the access network elements supports GPRS Tunnel Protocol GTP session, and the GTP session
Support IP multiple stack；
Wherein, the IP address delete processing device is also used to obtain from the message for deleting specified IP address type
Instruction, the instruction carries in following one message, sends the instruction to the P-GW：Modification bearing request message,
Modification carrying request triggering message deletes conversation request message.
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| CN201210575765.9A CN103905570B (en) | 2012-12-26 | 2012-12-26 | IP address delete processing, delet method and the device of multiple stack carrying |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210575765.9A CN103905570B (en) | 2012-12-26 | 2012-12-26 | IP address delete processing, delet method and the device of multiple stack carrying |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100812484B1 (en) * | 2007-04-24 | 2008-03-10 | 에스케이 텔레콤주식회사 | System and method for providing free contents in wcdma network |
| CN101500220A (en) * | 2008-02-02 | 2009-08-05 | 华为技术有限公司 | Method, apparatus and system for notifying network releasing resource |
| CN102111748A (en) * | 2009-12-28 | 2011-06-29 | 中兴通讯股份有限公司 | Method and system for establishing local internet protocol (IP) connection |
| CN102124811A (en) * | 2008-08-14 | 2011-07-13 | 三星电子株式会社 | Method and system for handling a dynamic host configuration protocol internet protocol version 4 address release |
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2012
- 2012-12-26 CN CN201210575765.9A patent/CN103905570B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100812484B1 (en) * | 2007-04-24 | 2008-03-10 | 에스케이 텔레콤주식회사 | System and method for providing free contents in wcdma network |
| CN101500220A (en) * | 2008-02-02 | 2009-08-05 | 华为技术有限公司 | Method, apparatus and system for notifying network releasing resource |
| CN102124811A (en) * | 2008-08-14 | 2011-07-13 | 三星电子株式会社 | Method and system for handling a dynamic host configuration protocol internet protocol version 4 address release |
| CN102111748A (en) * | 2009-12-28 | 2011-06-29 | 中兴通讯股份有限公司 | Method and system for establishing local internet protocol (IP) connection |
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