CN101355806A - Method, apparatus and system for releasing network session - Google Patents
Method, apparatus and system for releasing network session Download PDFInfo
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- CN101355806A CN101355806A CNA2008101467932A CN200810146793A CN101355806A CN 101355806 A CN101355806 A CN 101355806A CN A2008101467932 A CNA2008101467932 A CN A2008101467932A CN 200810146793 A CN200810146793 A CN 200810146793A CN 101355806 A CN101355806 A CN 101355806A
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Abstract
The present invention provides a method, a device and a system for releasing a network conversation. The method for releasing the network conversation comprises that a PCRF receives a release message of a gateway control conversation sent by a BBERF; the PCRF obtains a message of at least one IP loading conversation relative to the gateway control conversation, from the release message; the PCRF sends a deletion request for indicating the deletion of the at least one IP loading conversation to the PCEF, according to the obtained message of the at least one IP loading conversation. According to the technical proposal, the network conversation can be released in time.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to a kind of BlueDrama method for releasing, Apparatus and system.
Background technology
Third generation partner program (3rd Generation Partnership Project, abbreviate 3GPP as) grouping system (the Evolved Packet System of evolution, abbreviate EPS as) by land wireless universal access network (the Evolved Universal Terrestrial RadioAccess Network of evolution, abbreviate E-UTRAN as), mobile management unit (MobilityManagement Entity, abbreviate MME as), gateway (Serving Gateway, abbreviate S-GW as), data network gateway (Packet Data Network Gateway, abbreviate P-GW or PDN GW as), home subscriber server (Home Subscriber Server, abbreviate HSS as), 3GPP authentication and authorization charging server (AuthenticationAuthorization and Accounting, abbreviate AAA as), strategy and charging regulation function entity (Policy and Charging Rules Function abbreviates PCRF as) and other support nodes are formed.
The system architecture diagram of EPS as shown in Figure 1.Wherein, non-3 GPP system is divided into the non-3GPP IP access of trusted and trustless non-3GPP IP access.The non-3GPP IP of trusted inserts can be directly by S2a and P-GW interface; Trustless non-3GPP IP inserts the data gateway (Evolved Packet Data Gateway abbreviates ePDG as) that needs to insert through the Wn* interface evolution, and ePDG inserts P-GW by the S2b interface.Subscriber equipment (UserEquipment, abbreviate UE as) be connected with P-GW by the S2c interface, wherein, the S2c interface can provide the control and the ambulant support of user's face between UE and the IAD, the S2c interface is not only applicable to the 3GPP gateway and inserts, and is applicable to the access of trusting non-3GPP and non-trust non-3GPP gateway.
PCRF obtains upper-layer service information by Rx interface, PCRF generates service quality (Quality of Service, abbreviate QoS as) and the strategy that charges, assign to strategy and charging execution function entity (Policy andCharging Enforcement Function by the strategy that the S7/S7x interface will generate, abbreviate PCEF as), and bearing binding and reporting events functional entity (Bearer Binding and Event Report Function, abbreviate BBERF as), wherein, PCEF is positioned at PDN-GW, and BBERF is positioned at S-GW or non-3GPP IAD.Wherein, PCRF links to each other with S-GW by the S7c interface, links to each other with the non-3GPP IAD by the S7a interface.
As mentioned above, in present strategy and charging control architecture, PCRF controls two kinds of function network elements, PCEF and BBERF.Be connected access (IP Connection Access Network by IP between PCEF and the PCRF, abbreviating IP-CAN as) session (be also referred to as IP carrying session) detects business data flow, and carry out qos policy that PCRF assigns and based on the charging of stream, carry out qos policy that PCRF assigns, carry out inspection of upstream bearing binding and reporting events by gateway control session between BBERF and the PCRF.
3GPP has stipulated general packet wireless service tunnel protocol (GPRS TunnelingProtocol at present, abbreviate the GTP agreement as), act on behalf of mobile network protocol (Proxy Mobile IP, abbreviate PMIP as) and the mobility management protocol of three types of two stack mobile network protocols (Dual Stack Mobile IP abbreviates DSMIP as) (or CMIP).If adopt the GTP agreement and since exist between S-GW and the PDN GW GTP agreement can transmission QoS etc. parameter, therefore, between BBERF and PCRF, do not have the S7c interface, PCRF is sent to BBERF with parameters such as QoS by PDN GW; If adopt the PMIP agreement, though have the MIP signaling between S-GW or non-3 GPP access network pass and the PDN GW, but this signaling but can't transmission QoS etc. information, so must directly get in touch by PCRF with S-GW or non-3 GPP access network pass, assign the relevant strategy of QoS, promptly have interface between PCRF and the BBERF; Equally under the situation that adopts DSMIP (or CMIP) agreement, PDNGW also can't directly send to IAD or non-3 GPP access network pass to strategies such as QoS by signaling, therefore also exist interface to be used to assign qos policy between PCRF and the BBERF, report variety of event.
At present IP-CAN conversation end flow process is to carry out under all message of supposition all finally arrives at the prerequisite of PCEF, and therefore, IP-CAN conversation end flow process is initiated notice PCRF by PCEF.The specific implementation process that existing IP-CAN session discharges mainly may further comprise the steps as shown in Figure 2:
Step 201, whether the PCEF decision will initiate IP-CAN session termination process, concrete, PCEF is according to the request that comes self terminal (DSMIP or CMIP situation) that receives, also can be according to the request that receives from AAA, can also be according to the request (PMIP situation) that receives from S-GW or non-3 GPP access network pass, judgement need be carried out the termination process of IP-CAN session;
Step 202, PCEF determines to need and can notify BBERF, then sends a notification message, and BBERF initiates to finish the flow process of gateway control session after receiving message;
Step 203, BBERF returns push-notification-answer;
Step 204, PCEF notice PCRF initiates to stop the flow process of IP-CAN session; If UE is in roaming state, then PCEF notifies the PCRF (Visit PCRF abbreviates V-PCRF as) of visit net earlier, and PCRF sends to notice the PCRF (Home PCFR abbreviates H-PCFR as) of local net (being also referred to as home network) again;
Step 205, the relevant QoS of all installations of the last deletion of PCEF, strategies such as charging;
Step 206, the incident that PCRF reports wireless transmission to interrupt is given Application Function (Application Function abbreviates AF as);
Step 207, AF returns the event notice response message to PCRF;
Step 208, PCRF notice BBERF finishes relevant gateway control flow process;
Step 209, PCRF returns the IP-CAN session to PCEF and stops response message;
Step 210, under the situation of supporting online charging, PCEF sends last credit report to Online Charging System (Online Charging System abbreviates OCS as).
Step 211, OCS returns response to PCEF;
Step 212, PCRF sends the signatory change notification of cancellation to user-subscribed database (Subscription ProfileRepository abbreviates SPR as), promptly indicates SPR not reinform any variation of relevant this user contracting data of PCRF;
Step 213, SPR returns the signatory response that changes of cancellation to PCRF.
In above-mentioned flow process, when the situation that UE inserts by S2c, owing to use DSMIP or CMIP agreement, PDN GW directly and between the UE sets up the MIP tunnel, and the non-3GPP IAD is positioned at intermediate node, but existence that but can not perception MIP tunnel.If UE loses radio contact, PCEF can't receive any message of mobile phone at the destination node in tunnel, and according to the agreement regulation, S-GW between terminal and PDN GW or non-3 GPP access network close, under the situation that the network element that does not have other is got involved, can only the transparent transmission data, can't know any information, as information such as tunnels about mobile IP, therefore, can't notify PDN GW (being PCEF) termination MIP tunnel and discharge IP carrying session.And, if the non-3GPP access network is not carried out billing function, just do not have suitable route messages in time to notify AAA, again by AAA notice PCEF yet.Therefore, in this case, PCEF can't initiate IP carrying conversation end flow process.
If adopt the PMIP agreement, though have the MIP signaling between S-GW or non-3GPP IAD and the PDNGW, but in some cases, such as, out of touch for a certain reason between PDN GW and S-GW or the non-3GPP IAD, PCEF does not receive the termination conversation request, and can't initiate the BlueDrama termination process.
Summary of the invention
In view of this, the invention provides a kind of BlueDrama method for releasing, Apparatus and system, in order to solving in the prior art because PCEF does not receive the information that BlueDrama stops, and the problem that causes BlueDrama in time to discharge.
According to an aspect of the present invention, a kind of BlueDrama method for releasing is provided, and this method is applied to comprise the network system of strategy and charging regulation function entity PCRF, bearing binding and reporting events functional entity BBERF and strategy and charging execution function entity PCEF.
Receive the release message of the gateway control session that sends by BBERF according to BlueDrama method for releasing of the present invention: PCRF; PCRF obtains the information of at least one the IP carrying session relevant with gateway control session from release message; PCRF sends the removal request that is used to indicate at least one IP carrying session of deletion according to the information of at least one IP carrying session of obtaining to PCEF.
According to another aspect of the present invention, provide a kind of BlueDrama releasing device.
BlueDrama releasing device according to the present invention comprises: receiver module, acquisition module and sending module, and wherein, receiver module is used to receive the release message of the gateway control session that BBERF sends; Acquisition module is used for obtaining from release message the information of at least one the IP carrying session relevant with gateway control session; Sending module is used for the information obtained according to acquisition module, sends the removal request that is used to indicate at least one IP carrying session of deletion to PCEF.
According to a further aspect of the invention, provide a kind of BlueDrama delivery system.
BlueDrama delivery system according to the present invention comprises: BBERF, and a PCRF and PCEF, wherein, BBERF is used for sending to a PCRF release message of gateway control session; The one PCRF is used for according to the release message that receives, and sends the removal request that is used to indicate deletion at least one the IP carrying session relevant with gateway control session to PCEF; PCEF is used for according to removal request, deletes at least one IP carrying session.
By above-mentioned at least one scheme of the present invention, send the release message of network control session to PCRF by BBERF, discharge IP carrying session by PCRF notice PCEF again, when solution can't receive the signaling that the BlueDrama of UE, S-GW or non-3GPP IAD stops at PCEF, PCEF can not initiate the problem of BlueDrama termination process, makes BlueDrama can access timely release.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the configuration diagram according to the 3GPP EPS of prior art;
Fig. 2 is the BlueDrama release flow chart according to prior art;
Fig. 3 A is the structured flowchart according to the BlueDrama delivery system of the embodiment of the invention;
Fig. 3 B is the structured flowchart of BlueDrama delivery system according to the preferred embodiment of the invention;
Fig. 4 is the structured flowchart according to the BlueDrama releasing device of the embodiment of the invention;
Fig. 5 is the flow chart according to the BlueDrama method for releasing of the embodiment of the invention;
Fig. 6 is the concrete implementing procedure figure of the embodiment of the invention one;
Fig. 7 is the concrete implementing procedure figure of the embodiment of the invention two.
Embodiment
Functional overview
As mentioned above, the present invention is directed to because PCEF does not receive the information that BlueDrama stops, and the problem that causes BlueDrama in time to discharge, the scheme that a kind of BlueDrama discharges is proposed, this scheme initiates to discharge flow process by BBERF, BBERF sends the release message of gateway control session to PCRF, PCRF is according to this release message, can obtain the information of the IP-CAN session relevant (promptly need discharge IP-CAN session) with this gateway control session, then according to this information, to the removal request of PCEF initiation deletion above-mentioned IP-CAN session, after PCEF receives this removal request, deletion above-mentioned IP-CAN session.
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
According to the embodiment of the invention, at first provide a kind of BlueDrama delivery system.
Fig. 3 A is the BlueDrama delivery system according to the embodiment of the invention, and Fig. 3 B is BlueDrama delivery system according to the preferred embodiment of the invention.As shown in Figure 3A, the BlueDrama delivery system according to the embodiment of the invention comprises: BBERF 32, the one PCRF 34 and PCEF 36.Further describe above-mentioned each entity below in conjunction with accompanying drawing.
BBERF 32 is used for sending to a PCRF 34 release message of gateway control session;
The one PCRF 34 is connected with BBERF 32 by network, be used to receive the release message that BBERF 32 sends, and send the removal request that is used to indicate deletion at least one the IP-CAN session relevant to PCEF 36 with above-mentioned gateway control session according to this release message;
PCEF 36 is connected with a PCRF 34 by network, is used for deleting above-mentioned at least one IP-CAN session according to the removal request from a PCRF 34 that receives.
Particularly, shown in Fig. 3 B, BBERF 32 can comprise: determination module 322 and sending module 324, wherein,
Determination module 322 is used for the state current according to UE, determines whether to send to PCRF 344 release message of gateway control session; Sending module 324 is connected with determination module 322, is used for sending above-mentioned release message when determination module 322 is determined to send above-mentioned release message.
The one PCRF 34 can comprise: acquisition module 342 and sending module 344, wherein,
Acquisition module 342 is used for from the release message that receives, and obtains the information of at least one the IP-CAN session relevant with above-mentioned gateway control session; Sending module 344 is connected with acquisition module 342, is used for the information obtained according to acquisition module 342, sends the removal request of above-mentioned at least one the IP-CAN session of deletion to PCEF 36.
When UE is positioned at visit net (being that UE is in roaming), said system also comprises: the 2nd PCRF 38 (being the PCRF of the residing visit net of UE), be used to receive the release message that BBERF 32 sends, and, this release message be transmitted to a PCRF34 according to preset rules.
According to the above-mentioned BlueDrama delivery system of the embodiment of the invention, can realize initiating the flow process of termination session by BBERF.
According to the embodiment of the invention, a kind of BlueDrama releasing device also is provided, this BlueDrama releasing device can be applied in the above-mentioned BlueDrama delivery system, corresponding to the PCRF among Fig. 3.
Fig. 4 is the structured flowchart according to the BlueDrama releasing device of the embodiment of the invention, as shown in Figure 4, comprises according to the BlueDrama releasing device of the embodiment of the invention: sending module 42, acquisition module 44 and sending module 46.Further describe above-mentioned each module below in conjunction with accompanying drawing.
Receiver module 42 is used to receive the release message of the gateway control session that BBERF sends;
Acquisition module 44 is connected with receiver module 42, is used for obtaining from release message the information of at least one the IP-CAN session relevant with above-mentioned gateway control session;
Sending module 46 is connected with acquisition module 44, is used for the information obtained according to acquisition module 44, sends the removal request that is used to indicate above-mentioned at least one the IP-CAN session of deletion to PCEF.
Because PCRF has stopped the IP-CAN session of user terminal, therefore, in follow-up process, just do not need again information change according to this UE, renewal is at this UE strategy and charging regulation, therefore, PCRF is after the termination response of receiving PCEF, can send a notification message to user-subscribed database, thereby, sending module 46 also is used for carrying UE notification of information message to the user-subscribed database transmission, and this notification message is used to indicate user-subscribed database not send notice to PCRF when the subscription data of this UE changes.
Above-mentioned BlueDrama releasing device according to the embodiment of the invention, can be when the release message of the gateway control session that receives BBERF, send the removal request of deleting the IP-CAN session relevant to PCEF with this gateway control session, thus IP-CAN session that will be relevant deletion with this gateway control session.
According to the embodiment of the invention, a kind of BlueDrama method for releasing also is provided, this method is applied to comprise the network system of strategy and charging regulation function entity PCRF, bearing binding and reporting events functional entity BBERF and strategy and charging execution function entity PCEF, can utilize above-mentioned system or BlueDrama releasing device to realize.
Fig. 5 is the flow chart according to the BlueDrama method for releasing of the embodiment of the invention, as shown in Figure 5, mainly comprises following processing (step S502-step S506) according to the BlueDrama method for releasing of the embodiment of the invention:
Step S502:PCRF receives the release message of the gateway control session that is sent by BBERF;
Step S504:PCRF obtains the information of at least one the IP-CAN session relevant with above-mentioned gateway control session from above-mentioned release message;
Step S506:PCRF sends the removal request that is used to indicate above-mentioned at least one the IP-CAN session of deletion according to the information of at least one IP-CAN session of obtaining to PCEF.
Below further describe the details of above-mentioned each processing.
(1) step S502
The triggering of handling for step S502 can realize in the following way: BBERF determines that UE is out of touch, perhaps, BBERF receives the request of the gateway control session of this UE of release that UE sends, the BBERF decision discharges the gateway control session on S-GW or the non-3GPP gateway, therefore, BBERF sends the release message that discharges gateway control session to PCRF, and PCRF receives this release message.
(2) step S504
PCRF is according to the information that comprises in the above-mentioned release message that receives, can inquire about the IP-CAN session relevant, and, obtain the information of above-mentioned IP-CAN session according to the result who inquires about with this gateway control session, such as, IP-CAN session identification etc. can an IP-CAN session of unique identification information.
In specific implementation process, the IP-CAN session relevant with this gateway control session has one and also has a plurality ofly, and these IP-CAN sessions all should be deleted.
(3) step S506
PCRF sends removal request according to the information of the IP-CAN session of obtaining to PCEF, and this removal request is used to indicate PCEF to delete corresponding IP-CAN session.
In specific implementation process, PCRF can be carried at the IP-CAN session identification in the removal request, sends to PCEF, and PCEF identifies according to this, stops corresponding IP-CAN session, and deletes the service quality and the charging policy of this IP-CAN session correspondence.
When the IP-CAN session relevant with above-mentioned gateway control session has when a plurality of, PCRF can carry above-mentioned a plurality of IP-CAN session identification in a removal request, send to PCEF, the indication PCEF deletion IP-CAN session corresponding with each IP-CAN session identification; PCRF also can send a removal request to PCEF at each IP-CAN session, carries an IP-CAN session identification in every request, the indication PCEF deletion IP-CAN session corresponding with this IP-CAN session identification.
In specific implementation process, PCEF will send a response message to PCRF after the IP-CAN session of deletion PCRF request deletion.If the network system that this method is used is supported online charging, then PCEF also can the credit report that UE is last send to OCS.
After PCRF receives the response message that PCEF returns, send the notification message that carries user equipment information to user-subscribed database, this notification message is used to indicate user-subscribed database not send notice to PCRF when the subscription data of this subscriber equipment changes.
Utilize the above-mentioned IP-CAN conversation release method of the embodiment of the invention, can realize that triggering PCRF by BBERF carries out IP-CAN session deletion, can solve when between BBERF and PCEF, not existing signaling to get in touch, terminal loses wireless transmission and PCEF can't perception the time, in time deletes IP-CAN session on the PCEF and the gateway control session on the BBERF.
In order to further describe the embodiment of said method, describe with specific embodiment below.
Embodiment one
It is example that present embodiment is handled home network with UE, the specific implementation process of the BlueDrama method for releasing that the embodiment of the invention is provided is described, Fig. 6 is the concrete implementing procedure figure of present embodiment, and as shown in Figure 6, the specific implementation process of present embodiment may further comprise the steps:
Step S602:BBERF knows that UE is out of touch, and decision needs to discharge the gateway control session on S-GW or the non-3GPP IAD.
Step S604:BBERF indicates the gateway control session that discharges on S-GW or the non-3GPP IAD to the release message that PCRF (being H-PCRF) sends gateway control session.
Step S606:PCRF returns response message to BBERF.
Step S608:PCRF inquires about the relevant IP-CAN session of this gateway control session according to the release message of the gateway control session that receives, and wherein, this gateway control session may be associated with one or more IP-CAN session.
Step S610:PCRF reports the incident of losing wireless transmission to AF, in specific implementation process, if these incidents AF has specified must report, and then PCRF must carry out this step, otherwise PCRF can carry out also and can not carry out this step.
Step S612:AF returns the event notice response.
Step S614:PCRF is known the information of the IP-CAN session that needs deletion from gateway control session, send the removal request of deletion IP-CAN session to PCEF.If there are a plurality of IP-CAN sessions that are associated, PCRF need send many corresponding IP-CAN session removal requests, also can only send a removal request to PCEF, a plurality of IP-CAN sessions of request deletion.Particularly, the IP-CAN session identification that can delete of PCRF is carried at and sends to PCEF in the removal request.
Step S616:PCEF stops the IP-CAN session that above-mentioned removal request requires deletion, and deletion and above-mentioned IP-corresponding QoS of CAN session and charging policy discharge resource.
Step S618:PCEF returns the IP-CAN session and stops response.
Step S620: if support online charging, PCEF sends to OCS with last credit report.
Step S622:OCS returns response to PCEF.
Step S624:PCRF sends a notification message to SPR, and the signatory change notification of indication cancellation promptly indicates SPR not reinform any variation of relevant this user contracting data of PCRF.
Step S626:SPR returns the signatory response that changes of cancellation.
Embodiment two
It is example that present embodiment is handled the visit net with UE, the specific implementation process of the BlueDrama method for releasing that the embodiment of the invention is provided is described, Fig. 7 is the concrete implementing procedure figure of present embodiment, and as shown in Figure 7, the specific implementation process of present embodiment may further comprise the steps:
Step S702:BBERF knows that UE is out of touch, and decision discharges the gateway control session on S-GW or the non-3GPP IAD.
Step S704:BBERF requires to discharge the gateway control session on S-GW or the non-3GPP IAD to the release message that PCRF sends gateway control session.
This release message at first arrives V-PCRF (i.e. the PCRF of visit net), and V-PCRF determines according to the agreement or the configuration guidelines of mobile management whether needs are transmitted to H-PCRF (being the PCRF of home network) with this release message.Set up message if once transmitted gateway control session to H-PCRF before the V-PCRF, then V-PCRF must be transmitted to H-PCRF with the release message of above-mentioned gateway control session.
Step S706:PCRF returns response message to BBERF, if H-PCRF has sent response message, then H-PCRF sends to V-PCRF with this response message, is transmitted to BBERF by V-PCRF.
Step S708:PCRF inquires about the relevant IP-CAN session of this gateway control session according to the gateway control session message that receives, and particularly, this gateway control session may be associated with one or more IP-CAN session.
Step S710:PCRF reports the incident of losing wireless transmission to AF.Be positioned under the situation of home network in roaming and AF, V-PCRF gives H-PCRF event notice, and H-PCRF reports AF again.Roaming and AF are positioned under the situation of visit net, and V-PCRF directly gives AF this reporting events.
Step S712:AF returns the event notice response.
Step S714:PCRF is known from gateway control session needs the IP-CAN of associated deletion session information, sends the removal request of deletion IP-CAN session to PCEF.
Step S716:PCEF stops the IP-CAN session that above-mentioned removal request requires deletion, and deletion and above-mentioned IP-corresponding QoS of CAN session and charging policy discharge resource.
Step S718:PCEF returns the IP-CAN session and stops response.
Step S720: if support online charging, PCEF sends to OCS with last credit report.
Step S722:OCS returns response to PCEF.
Step S724:PCRF sends a notification message to SPR, and the signatory change notification of indication cancellation promptly indicates SPR not reinform any variation of relevant this user contracting data of PCRF.
Step S726:SPR returns the response of the signatory change notification of cancellation.
As mentioned above, by the present invention, BBERF is when UE is out of touch, the trigger network session discharges flow process, to the release message of PCRF transmission gateway control session, indication PCRF stops gateway control session, and PCRF is from this release message, can obtain the information of the IP-CAN session relevant with this gateway control message, according to this information, PCRF can notify PCEF to stop the IP-CAN session, strategies such as deletion IP-CAN session QoS, charging, stop session, discharge resource.Therefore, can be under the situation that does not exist signaling to get in touch between BBERF and the PCEF, in time delete IP-CAN session on the PCEF and the gateway control session on the BBERF, discharge related resource, improve the utilance of resource.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. BlueDrama method for releasing, be applied to comprise the network system of strategy and charging regulation function entity PCRF, bearing binding and reporting events functional entity BBERF and strategy and charging execution function entity PCEF, it is characterized in that described method comprises:
Described PCRF receives the release message of the gateway control session that is sent by described BBERF;
Described PCRF obtains the information of at least one the IP carrying session relevant with described gateway control session from described release message;
Described PCRF sends the removal request that is used to indicate described at least one the IP carrying session of deletion according to the information of described at least one IP carrying session of obtaining to described PCEF.
2. method according to claim 1 is characterized in that, before described PCRF received described release message, described method also comprised:
Described BBERF determines that subscriber equipment is out of touch, sends described release message to described PCRF.
3. method according to claim 1 is characterized in that, carries IP carrying session identification in the described removal request, and after described PCEF sends described removal request, described method also comprises:
Described PCEF stops described at least one IP carrying session according to the described IP carrying session identification that carries in the described removal request;
The service quality and the charging policy of described at least one the IP carrying session correspondence of described PCEF deletion.
4. method according to claim 1 is characterized in that, after described PCEF sends described removal request, described method also comprises:
Described PCRF sends the notification message that carries user equipment information to user-subscribed database, and wherein, described notification message is used to indicate described user-subscribed database not send notice to described PCRF when the subscription data of described subscriber equipment changes.
5. according to each described method in the claim 1 to 4, it is characterized in that when subscriber equipment was positioned at visited network, described PCRF was the PCRF of home network, described PCRF receives described release message and specifically comprises:
The PCRF of described home network receives the described release message from described BBERF by the PCRF forwarding of visited network.
6. a BlueDrama releasing device is characterized in that, comprising:
Receiver module is used to receive the release message of the gateway control session that BBERF sends;
Acquisition module is used for obtaining the information that at least one IP relevant with described gateway control session carries session from described release message;
Sending module is used for the information obtained according to described acquisition module, sends the removal request that is used to indicate described at least one IP carrying session of deletion to PCEF.
7. device according to claim 6, it is characterized in that, described sending module also is used for sending the notification message that carries user equipment information to user-subscribed database, wherein, described notification message is used to indicate described user-subscribed database not send notice to described PCRF when the subscription data of described subscriber equipment changes.
8. a BlueDrama delivery system is characterized in that, comprising: BBERF, and a PCRF and PCEF, wherein,
Described BBERF is used for the release message to described PCRF transmission gateway control session;
A described PCRF is used for according to the described release message that receives, and sends the removal request that is used to indicate deletion at least one the IP carrying session relevant with described gateway control session to described PCEF;
Described PCEF is used for according to described removal request, deletes described at least one IP carrying session.
9. system according to claim 8 is characterized in that, a described PCRF comprises:
Acquisition module is used for from the described release message that receives, and obtains the information of at least one the IP carrying session relevant with described gateway control session;
Sending module is used for the information obtained according to described acquisition module, sends the removal request of described at least one IP carrying session of deletion to described PCEF.
10. system according to claim 8 is characterized in that, described BBERF comprises: determination module, be used for the state current according to subscriber equipment, and determine whether to send described release message;
Sending module is used for sending described release message when described determination module is determined to send described release message.
11. system according to claim 8 is characterized in that, described system also comprises:
The 2nd PCRF is positioned at visited network, is used to receive the described release message that described BBERF sends, and according to preset rules, described release message is transmitted to a described PCRF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101467932A CN101355806B (en) | 2008-08-29 | 2008-08-29 | Method, apparatus and system for releasing network session |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101467932A CN101355806B (en) | 2008-08-29 | 2008-08-29 | Method, apparatus and system for releasing network session |
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| Publication Number | Publication Date |
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| CN101355806A true CN101355806A (en) | 2009-01-28 |
| CN101355806B CN101355806B (en) | 2012-05-23 |
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| CN2008101467932A Expired - Fee Related CN101355806B (en) | 2008-08-29 | 2008-08-29 | Method, apparatus and system for releasing network session |
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| WO2011006317A1 (en) * | 2009-07-17 | 2011-01-20 | 中兴通讯股份有限公司 | Method and system for deleting redundant information of home policy and charging rules function |
| WO2011029349A1 (en) * | 2009-09-11 | 2011-03-17 | 中兴通讯股份有限公司 | Method and system for processing multiple bearer binding and event report functions |
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| CN102769933A (en) * | 2011-05-06 | 2012-11-07 | 中兴通讯股份有限公司 | Strategy conversation deleting method and system |
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| WO2011006317A1 (en) * | 2009-07-17 | 2011-01-20 | 中兴通讯股份有限公司 | Method and system for deleting redundant information of home policy and charging rules function |
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| US20120106508A1 (en) * | 2009-07-17 | 2012-05-03 | Zte Corporation | Method and System for Deleting Redundant Information of Home Policy and Charging Rules Function |
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| WO2011029349A1 (en) * | 2009-09-11 | 2011-03-17 | 中兴通讯股份有限公司 | Method and system for processing multiple bearer binding and event report functions |
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| CN102137370B (en) * | 2010-01-25 | 2015-10-21 | 中兴通讯股份有限公司 | A kind ofly realize method and apparatus user being carried out to unified charging |
| CN102769933A (en) * | 2011-05-06 | 2012-11-07 | 中兴通讯股份有限公司 | Strategy conversation deleting method and system |
| WO2013117102A1 (en) * | 2012-02-10 | 2013-08-15 | Zte Corporation | Broadband access interworking (bbai) gateway control session proper termination for untrusted-s2c roaming traffic over gxb* |
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