CN102761854A - Processing method for carrying and mobile management equipment - Google Patents
Processing method for carrying and mobile management equipment Download PDFInfo
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- CN102761854A CN102761854A CN201210246806XA CN201210246806A CN102761854A CN 102761854 A CN102761854 A CN 102761854A CN 201210246806X A CN201210246806X A CN 201210246806XA CN 201210246806 A CN201210246806 A CN 201210246806A CN 102761854 A CN102761854 A CN 102761854A
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Abstract
The embodiment of the invention relates to a processing method for carrying and mobile management equipment. The method comprises the steps that the existential state of corresponding user equipment is fixed if user subscription data recorded in the mobile management equipment is changed, and the mobile management equipment initiates carrying alteration or deletes a flow according to the existential state of the user equipment. The mobile management equipment comprises a memory unit, a judging unit and a triggering unit, wherein the memory unit is used for recording the user subscription data; the judging unit is used for fixing the existential state of the corresponding user equipment after the user subscription data recorded in the memory unit is changed; and the triggering unit is used for initiating carrying alteration or deleting the flow according to the existential state of the user equipment. By adopting the scheme, the carrying process can be accurately and efficiently accomplished after the user subscription data is changed.
Description
Technical field
The present invention relates to the communication technology, be specifically related to a kind of processing method and mobile management device carrying.
Background technology
Wireless evolution network (LTE; Long Term Evolution) core net mainly comprises Mobility Management Entity (MME; Mobility Management Entity), gateway (S-GW; Serving Gateway) and three logic function bodies of packet data network gateway (P-GW, PDN Gateway).Wherein, MME is responsible for Non-Access Stratum (NAS; Non Access Stratum) functions such as signaling and the encryption of NAS signaling and roaming, tracking, distributing user temporary identity sign, safety function etc., it is corresponding to current UMTS (UMTS; Universal Mobile Telecommunications System) the control plane part of internal services universal grouping wireless business supporting node (SGSN, Serving General Packet Radio Service Supporting Node); S-GW is responsible for the local mobility anchor point and the mobility anchor point and the Lawful Interception relevant information of 3G partner program (3GPP, Third Generation Partnership Project) internal system; P-GW then is responsible for strategy execution and charging and Lawful Interception correlation function; Wherein the foundation of strategy execution and charging is the strategy and the control (PCC that charges; Policy and Charge Control) rule; The PCC rule is to be handed down to P-GW's by "Policy and Charging Rules Function entity (PCRF, Policy and Charging Rules Function).When the PCRF entity issued the PCC rule, the wireless access technology that the PCC rule need be current according to the user (RAT, Radio Access Technik) confirmed that different RAT may issue different PCC rules.
In the LTE network, the flow process that the subscription data that home subscriber server (HSS, Home Subscriber Server) is initiated inserts is an example to initiate subscription data insertion flow process to MME, and comprising: the HSS transmission is inserted subscription data message and given MME; MME upgrades the subscription data of preserving, and replys to HSS and inserts the subscription data acknowledge message.
HSS is after the insertion flow process of MME or SGSN initiation subscription data; If change has taken place in the user contracting data that writes down among MME or the SGSN; Default quality of service (QoS for example; Quality of Service) change has taken place, then MME or SGSN can initiate the modification of carrying at once or delete flow process after the insertion flow process of subscription data.
If HSS has revised the subscription data of a large number of users simultaneously; MME or SGSN can initiate the bearing modification flow process to a large number of users simultaneously; Wherein a lot of users are in free time (Idle) state, then can initiate paging respectively in the section at one time to a large amount of Idle attitude users, and at this moment user itself are not professional; Carry out independent paging in order to realize bearing modification, wasted the available resources on MME or the SGSN.
Summary of the invention
The embodiment of the invention provides a kind of processing method and mobile management device to carrying, and after changing at user contracting data, accomplishes load bearing process correctly, efficiently.
A kind of processing method to carrying that the embodiment of the invention provides comprises:
If the user contracting data that writes down in the mobile management device changes, confirm the existence of corresponding subscriber equipment;
Said mobile management device is initiated the modification of carrying or is deleted flow process according to the existence of said subscriber equipment.
A kind of mobile management device that the embodiment of the invention provides comprises:
Memory cell is used for the recording user subscription data;
Judging unit is used for after the user contracting data that said memory cell writes down changes, and confirms the existence of corresponding subscriber equipment;
Trigger element is used for initiating the modification of carrying or deleting flow process according to the existence of said subscriber equipment.
Technical scheme by the above embodiment of the invention provides can be found out; The embodiment of the invention to the processing method of carrying after the insertion or deletion flow process of subscription data; If the user contracting data that writes down in the mobile management device changes; This mobile management device is at first confirmed the existence of corresponding subscriber equipment, determines whether the modification of initiating to carry or deletes flow process according to the existence of this subscriber equipment.Therefore, can, user contracting data accomplish load bearing process correctly, efficiently after changing.
Description of drawings
Fig. 1 is the flow chart of the present invention to processing method first embodiment of carrying;
Fig. 2 is the flow chart of the present invention to processing method second embodiment of carrying;
Fig. 3 is the flow chart of the present invention to processing method the 3rd embodiment of carrying;
Fig. 4 uses the present invention initiates bearing modification to the processing method mobile management device that carries flow chart;
Fig. 5 uses the present invention initiates deleting load-bearing to the processing method mobile management device that carries flow chart;
Fig. 6 is the structured flowchart of mobile management device embodiment of the present invention.
Embodiment
In order to make those skilled in the art person understand the scheme of the embodiment of the invention better, the embodiment of the invention is done further to specify below in conjunction with accompanying drawing and execution mode.
In order to improve the resource utilization of the network equipment; Make and after user contracting data changes, accomplish load bearing process correctly, efficiently; The embodiment of the invention to the processing method of carrying after the insertion or deletion flow process of subscription data; Such as, after HSS initiates the insertion flow process of subscription data to MME and/or SGSN, if the user contracting data that writes down in the mobile management device changes; This mobile management device is at first confirmed the existence of corresponding subscriber equipment, determines whether the modification of initiating to carry or deletes flow process according to the existence of this subscriber equipment.
The method that the embodiment of the invention provides not only goes for single wireless access technology system, such as, 2G or 3G system, System Architecture Evolution (SAE, System Architechure Evolution) system; And go for the applied environment of multiple wireless access technology coexistence of systems, such as, the applied environment of the applied environment of SAE system and 2G coexistence of systems, SAE system and 3G coexistence of systems etc.
With instantiation the present invention is described respectively the situation of processing method under the different application environment of carrying below.
With reference to Fig. 1, be the flow chart of the present invention to processing method first embodiment of carrying, may further comprise the steps:
Insert subscription data message to MME or SGSN 101.HSS send;
102.MME or subscription data that upgrade to preserve of SGSN, reply to HSS and to insert the subscription data acknowledge message;
103.MME or whether SGSN judges equipment (UE, User Equipment) is connected with signaling is arranged oneself;
MME or SGSN can judge whether UE is connected with signaling is arranged oneself through following two kinds of methods:
1.MME or whether the index that signaling connects in the user's context preserved of SGSN inquiry effectively judge, if index is effective, explains that then UE and oneself have signaling to be connected;
2.MME or user's mobile management state is that Idle state or connected state are judged in the user's context of SGSN inquiry preservation.If User Status is a connected state, explain that then UE and oneself have signaling to be connected.
104.MME or after SGSN confirms that UE is in connection status, initiate bearing modification or deletion flow process.
Above-mentioned steps 21 and 22 is HSS initiates insertion flow processs from subscription data to the network equipment; Through after the step 21 and 22, change has taken place in the subscription data among MME or the SGSN, and change has taken place for example default QoS; Then after the insertion flow process of subscription data; Whether MME or SGSN do not initiate the modification of carrying immediately or delete flow process, be connected with signaling is arranged oneself but detect the user earlier, do different disposal then:
If UE has signaling to be connected with MME or SGSN, MME or SGSN initiate the modification of carrying or delete flow process;
If do not have signaling to be connected between UE and MME or the SGSN, MME or SGSN do not initiate the modification of carrying or delete flow process.Initiate the services request flow process up to UE oneself, perhaps network side is received downlink data or signaling and when triggering UE the services request flow process taking place, MME or SGSN detect UE and be in connection status, and then initiate the modification of carrying or delete flow process.
This embodiment also can be applied to the scene under the ISR mechanism, and HSS is after the insertion flow process of MME and/or SGSN initiation subscription data, and MME and SGSN both sides can be respectively according to above-mentioned machine-processed individual processing.
The processing method to carrying of present embodiment; After HSS initiates the insertion flow process of subscription data to mobile management device; If the subscription data among MME or the SGSN changes, then after the insertion flow process of subscription data, MME or SGSN do not initiate the modification of carrying immediately or delete flow process; But will be when detecting the user and oneself having signaling to be connected; The modification of initiate carrying again or delete flow process, so MME or SGSN can not carry out independent paging in order to realize bearing modification, thus saved the available resources on MME or the SGSN.
At saving signaling (ISR; Idle State Signaling Reduction) mechanism down; Subscriber equipment (UE, User Equipment) need be registered to MME and SGSN respectively, when the HSS of two registrations after MME and SGSN initiate the insertion flow process of subscription data simultaneously; According to current mechanism, MME and SGSN can initiate contextual modification respectively or delete flow process.Same user on the S-GW is carried; If MME and SGSN are simultaneously when S-GW initiates the modification of this carrying or deletes request; The solicited message that S-GW arrives after can discarding; And if the user is just under the corresponding access way of a back solicited message; The bearing modification that the solicited message that then arrives first causes or delete flow process and will in the opposite side access network, carry out, though the bearing modification that this solicited message that arrives first causes or delete flow process can be successful, if carry out this bearing modification or delete flow process based on subscription data be not inconsistent with this side (the corresponding access way of a back solicited message) subscription data; MME or the SGSN of this side also can continue the modification process of initiating to carry then, thereby have wasted the signaling number.And utilize the processing method to carrying of the embodiment of the invention, then can avoid waste to the signaling number.Down in the face of the explanation of this measure example.
With reference to Fig. 2, be the flow chart of the present invention to processing method second embodiment of carrying, under ISR mechanism, mainly may further comprise the steps:
Insert subscription data message to MME 201.HSS send;
202.MME upgrade the subscription data of preserving, reply to HSS and insert the subscription data acknowledge message; Insert subscription data message to SGSN 203.HSS send;
204.SGSN upgrade the subscription data of preserving, reply to HSS and insert the subscription data acknowledge message;
205.MME judge whether UE is movable under the management of MME;
206.MME confirming the UE activity after the management of MME under, initiates bearing modification or deletes flow process.
207.SGSN judge whether UE is movable under the management of MME;
208.SGSN confirming the UE activity after the management of MME under, initiates bearing modification or deletes flow process.
In above-mentioned steps 205 and step 207, MME or SGSN can judge whether UE is movable under the management of oneself through following method:
MME or SGSN judge UE whether with oneself have signaling to be connected, concrete determination methods front is existing to be described in detail.If confirm the user and oneself have signaling to be connected then can confirm that UE is under the management of oneself; If confirm that the user is not connected with oneself there being signaling; Calling user then; Detect whether cause that the user triggers services request, triggered services request, can confirm that then UE is under the management of oneself if detect the user; Do not trigger services request if detect the user, can confirm that then UE is not under the management of oneself.
When a side MME relevant with UE or SGSN confirm the management following time of UE at oneself, stop paging (Stop Paging) message or other new message notify opposite side SGSN relevant with UE or MME to stop UE being carried out paging through transmission.
Need to prove, above-mentioned steps 201,202 and step 203, carry out side by side between 204 not have temporal sequencing.Same step 205,206 and step 207, carry out side by side between 208 does not have temporal sequencing.
Above-mentioned steps 201 and 202, step 203 and 204 are HSS initiates insertion flow processs from subscription data to the network equipment.
Through after the step 201 and 202, change has taken place in the subscription data among the MME, and change has taken place for example default QoS; Then after the insertion flow process of subscription data; The modification that MME initiate not to carry immediately or delete flow process, but confirm the existence of UE earlier, specifically can through detect with UE between the signaling set up is connected or when not having signaling and connecting calling user cause UE triggering services request; Confirm that UE whether under the management of MME, does different disposal according to the result who confirms then:
If UE is under the management of MME, MME initiates the modification of carrying or deletes flow process;
If UE is not under the management of MME, MME does not initiate the modification of carrying or deletes flow process.
Equally, through after the step 203 and 204, change has taken place in the subscription data among the SGSN; Change has taken place in for example default QoS, and then after the insertion flow process of subscription data, SGSN does not initiate the modification of carrying immediately or deletes flow process; But the existence of earlier definite UE; Specifically can through detect with UE between the signaling set up is connected or when not having signaling and connecting calling user cause that UE triggers services request, confirm that UE whether under the management of SGSN, does different disposal according to definite result then:
If UE is under the management of SGSN, SGSN initiates the modification of carrying or deletes flow process;
If UE is not under the management of SGSN, SGSN does not initiate the modification of carrying or deletes flow process.
In this embodiment, under ISR mechanism, HSS is after the insertion flow process of MME and/or SGSN initiation subscription data; The user contracting data that writes down among MME and/or the SGSN changes; Then after the insertion flow process of subscription data, MME and/or SGSN do not initiate the modification of carrying immediately or delete flow process, but confirm user's existence earlier; Definite UE be under the management at oneself after; Initiate the modification of carrying again or delete flow process, thereby after subscription data changes, modification or the deletion request of having avoided MME and SGSN to the S-GW initiation the same user on the S-GW to be carried simultaneously; Thereby the waste of the signaling number of having avoided occurring can make MME/SGSN accomplish load bearing process correctly, efficiently.
This embodiment also can be applied to the scene under the non-ISR mechanism, and HSS is after the insertion flow process of MME or SGSN initiation subscription data, and MME or SGSN handle according to above-mentioned mechanism.
Under ISR mechanism, suppose that MME and SGSN can be addressed to the other side mutually, and the user signing contract information that is stored among the HSS is same set of for SAE and 2/3G, HSS is fixing only to initiate the insertion flow process of subscription data to one-sided MME or SGSN.
Be example with the fixing insertion flow process of only initiating subscription data of HSS below, the treatment mechanism of MME and SGSN is described to one-sided MME.When HSS is fixing only when one-sided SGSN initiates the insertion flow process of subscription data, SGSN and MME can similarly handle.
With reference to Fig. 3, be the flow chart of the present invention to processing method the 3rd embodiment of carrying, may further comprise the steps:
Insert subscription data message to MME 301.HSS send;
302.MME upgrade the subscription data of preserving, reply to HSS and insert the subscription data acknowledge message;
303.MME judge whether UE is movable under the management of MME; If MME confirms the UE activity under the management of MME, then execution in step 304; If it is movable under the management of MME that MME confirms that UE does not have, then execution in step 305,306 and 307;
304.MME confirming the UE activity after the management of MME under, initiates bearing modification or deletes flow process;
305.MME it is movable after the management of MME under to confirm that UE does not have, and notifies the SGSN subscription data;
306.SGSN judge whether UE is movable under the management of SGSN;
307.SGSN confirming the UE activity after the management of SGSN under, initiates bearing modification or deletes flow process.
In this embodiment, under ISR mechanism, the only fixing insertion flow process from subscription data to one-sided MME that initiate of HSS.Above-mentioned steps 301 and 302 is that HSS initiates the insertion flow process of subscription data to the network equipment, and is identical with prior art.Through after the step 301 and 302, the user contracting data that writes down among the MME changes, and change has taken place for example default QoS; Then after the insertion flow process of subscription data; The modification that MME initiate not to carry immediately or delete flow process, but confirm the existence of UE earlier, through detect with UE between the signaling set up is connected or when not having signaling and connecting calling user cause UE triggering services request; Confirm that UE whether under the management of MME, carries out different processing:
If UE is under the management of MME, MME initiates the modification of carrying or deletes flow process;
If UE is not under the management of MME, MME does not initiate the modification of carrying or deletes flow process, and sends the message informing CAMEL-Subscription-Information to SGSN;
SGSN does not initiate the modification of carrying immediately or deletes flow process; But the existence of earlier definite UE; Through detect with UE between the signaling set up is connected or when not having signaling and connecting calling user cause UE triggering services request; Confirm that UE whether under the management of SGSN, carries out different processing: if UE under the management of SGSN, SGSN initiates the modification of carrying or deletes flow process; If UE is not under the management of SGSN, SGSN does not initiate the modification of carrying or deletes flow process.
It is thus clear that, use the processing method to carrying of the embodiment of the invention, can help under the ISR mechanism subscription data to change back MME/SGSN and correctly accomplish load bearing process efficiently.
Under ISR mechanism; User signing contract information in being stored in HSS is two different covers for SAE and 2/3G; Though perhaps be same set of; But HSS is when both sides MME and SGSN initiate the insertion flow process of subscription data, and HSS initiates the handling process of MME and SGSN after the insertion flow process of subscription data can be identical with the handling process among prior figures 1 and two embodiment of Fig. 2, repeats no more at this.
Among above-mentioned each embodiment, the flow process of MME or SGSN initiation bearing modification is as shown in Figure 4:
Upgrade bearing request message to S-GW 401.MME send;
Upgrade bearing request message to P-GW 402.S-GW send;
If 403. the PCC framework is used, P-GW sends PCC rule request (Request PCC Rules) message to PCRF, and bearer update is notified to PCRF;
404. if disposed dynamic PCC, PCRF gives P-GW through sending PCC rule downloading (PCC Rules provision) message with QoS rule notice;
Upgrade bearing request message to S-GW 405.P-GW send;
Upgrade bearing request message to MME 406.S-GW send;
Give eNodeB 407.MME send the bearing modification request message;
408.eNodeB initiate the radio bearer modification process to UE;
Give eNodeB 409.UE reply the radio bearer modification response message, confirm radio bearer modification;
410.eNodeB responding to MME, the answer bearing modification confirms the bearing modification situation;
Upgrade bearing response message to S-GW 411.MME reply, confirm the bearing modification situation;
Upgrade bearing response message to P-GW 412.S-GW reply, confirm the bearing modification situation;
If 413. this flow process is by from the PCC Rules Provision message trigger of PCRF, can P-GW reply PCC strategy acknowledge message and be performed to the QoS of PCRF indication request rule.Among above-mentioned each embodiment, the flow process of MME or SGSN initiation deleting load-bearing is as shown in Figure 5:
Give S-GW 501.MME send the deleting bearing request message;
Give P-GW 502.S-GW send the deleting bearing request message;
If 503. the PCC framework is used, P-GW sends PCC rule request (Request PCC Rules) message to PCRF, give PCRF with bearer update/deletion notice;
504. if disposed dynamic PCC, PCRF gives P-GW through sending PCC rule downloading (PCC Rules provision) message with QoS rule notice;
Give S-GW 505.P-GW send the deleting bearing request message;
Give MME 506.S-GW send the deleting bearing request message;
Give eNodeB 507.MME send the deleting load-bearing request message;
508.eNodeB initiate the radio bearer dispose procedure to UE;
Discharge response message to eNodeB 509.UE reply radio bearer, confirm that radio bearer discharges;
510.eNodeB responding to MME, the answer deleting load-bearing confirms the deleting load-bearing situation;
Give S-GW 511.MME reply the deleting bearing response message, confirm the deleting load-bearing situation;
Give P-GW 512.S-GW reply the deleting bearing response message, confirm the deleting load-bearing situation;
If 513. this flow process is by from the PCC Rules Provision message trigger of PCRF, can P-GW reply PCC strategy acknowledge message and be performed to the QoS of PCRF indication request rule.
The embodiment of the invention also provides a kind of mobile management device, with reference to Fig. 6, is the structured flowchart of this mobile management device embodiment, mainly comprises: memory cell 601, judging unit 602 and trigger element 603.Wherein, memory cell 601 is used for the recording user subscription data; Judging unit 602 is used for after the user contracting data of memory cell 601 records changes, confirming the existence of corresponding subscriber equipment; Trigger element 603 is used for initiating the modification of carrying or deleting flow process according to the existence of said subscriber equipment.
Judging unit 602 comprises first judgment sub-unit and/or second judgment sub-unit, and wherein, first judgment sub-unit is used for confirming whether said subscriber equipment has signaling to be connected with said mobile management device; Second judgment sub-unit is used for confirming that said subscriber equipment is whether under the management of said mobile management device.
The mobile management device of the embodiment of the invention not only goes for single wireless access technology system, such as, 2G or 3G system, SAE system; And go for the applied environment of multiple wireless access technology coexistence of systems, such as, the applied environment of the applied environment of SAE system and 2G coexistence of systems, SAE system and 3G coexistence of systems etc.
This mobile management device can be MME or SGSN; Corresponding to different application environments; It is after the insertion of carrying out subscription data or the completion of deletion flow process; When the user contracting data of record changes, consistent to the description in the processing method of carrying of the embodiment of the invention to the concrete processing procedure of bearing modification and deletion with the front, repeat no more at this.
Use the mobile management device of the embodiment of the invention; After the user contracting data that can in this mobile management device, write down changes; Do not initiate the modification of carrying immediately or delete flow process; But confirm earlier user's existence, determine whether the modification of initiating to carry or delete flow process according to user's existence, so this network equipment can not carry out independent paging in order to realize bearing modification; Thereby saved available resources, and helped under the ISR mechanism subscription data to change back MME/SGSN correctly to accomplish load bearing process efficiently.
More than the embodiment of the invention has been carried out detailed introduction, used embodiment among this paper the present invention set forth, the explanation of above embodiment just is used for help understanding Apparatus and method for of the present invention; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (12)
1. the processing method to carrying is characterized in that, comprising:
If user contracting data changes, confirm the existence of corresponding subscriber equipment;
Initiate the modification of carrying or delete flow process according to the existence of said subscriber equipment.
2. method according to claim 1 is characterized in that,
The existence of the subscriber equipment of said definite correspondence comprises: mobile management device confirms whether said subscriber equipment and said mobile management device have signaling to be connected;
Said existence according to said subscriber equipment initiates the modification of carrying or deletes flow process to comprise:
If said subscriber equipment has signaling to be connected with said mobile management device, then said mobile management device is initiated the modification of carrying or is deleted flow process.
3. method according to claim 2 is characterized in that, said mobile management device confirms whether said subscriber equipment and said mobile management device have signaling to be connected and comprise:
The index that signaling connects in the user's context that said mobile management device inquiry is preserved is effective, confirms that then said subscriber equipment has signaling to be connected with said mobile management device; Perhaps
User's mobile management state is a connected state in the user's context that said mobile management device inquiry is preserved, and confirms that then said subscriber equipment has signaling to be connected with said mobile management device.
4. method according to claim 1 is characterized in that, the existence of the subscriber equipment of said definite correspondence comprises: said mobile management device confirms that said subscriber equipment is whether under the management of said mobile management device.
5. method according to claim 4 is characterized in that, said existence according to said subscriber equipment initiates the modification of carrying or delete flow process to comprise:
If said subscriber equipment is under the management of said mobile management device, then said mobile management device is initiated the modification of carrying or is deleted flow process.
6. method according to claim 4 is characterized in that, said mobile management device confirms that through following process said subscriber equipment is whether under the management of said mobile management device:
Said mobile management device detects have been set up signaling with said subscriber equipment and has been connected, and confirms that then said subscriber equipment is under the management of said mobile management device;
When no signaling connected, the said subscriber equipment of said network equipment paging caused that said subscriber equipment triggers services request, confirmed that then said subscriber equipment is under the management of said mobile management device.
7. method according to claim 6 is characterized in that, said method also comprises:
Said mobile management device confirms that said subscriber equipment after under the management of said mobile management device, stops beep-page message through transmission and notifies mobile management device relevant with said subscriber equipment under other wireless access technology systems to stop said subscriber equipment is carried out paging.
8. method according to claim 4 is characterized in that, said existence according to said subscriber equipment initiates the modification of carrying or delete flow process to comprise:
If said subscriber equipment is under the management of the mobile management device of the insertion flow process of home subscriber server HSS initiation subscription data, then said HSS initiates the mobile management device of the insertion flow process of subscription data and initiates the modification of carrying or delete flow process;
If said subscriber equipment is not initiated under the management of mobile management device of insertion flow process of subscription data at said HSS, then said HSS initiates the mobile management device of insertion flow process of subscription data to the mobile management device transmission message informing CAMEL-Subscription-Information relevant with said subscriber equipment;
The mobile management device that said and said subscriber equipment is relevant is initiated the modification of carrying or is deleted flow process according to the existence of said subscriber equipment.
9. method according to claim 1 is characterized in that, said mobile management device comprises: Mobility Management Entity and/or service universal grouping wireless business supporting node.
10. a mobile management device is characterized in that, comprising:
Memory cell is used for the recording user subscription data;
Judging unit is used for after the user contracting data that said memory cell writes down changes, and confirms the existence of corresponding subscriber equipment;
Trigger element is used for initiating the modification of carrying or deleting flow process according to the existence of said subscriber equipment.
11. mobile management device according to claim 10 is characterized in that, said judging unit comprises:
First judgment sub-unit is used for confirming whether said subscriber equipment has signaling to be connected with said mobile management device; Or
Second judgment sub-unit is used for confirming that said subscriber equipment is whether under the management of said mobile management device.
12., it is characterized in that said mobile management device is: Mobility Management Entity or service universal grouping wireless business supporting node according to claim 10 or 11 described mobile management devices.
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