CN102118879A - Method and device for controlling connection session of data service - Google Patents
Method and device for controlling connection session of data service Download PDFInfo
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Abstract
The invention discloses a method for controlling connection session of a data service. The method comprises the following steps: if the connection session of the data service does not generate charge traffic within the set time length or the generated charge traffic is smaller than a threshold, storing the relevant information of the connection session, and releasing the resources occupied by the connection session so that the connection session enters a dormant state. The invention also discloses a device for controlling the connection session of the data service. By adopting the method and device disclosed by the invention, the consumption of the system memory occupied by the data service can be reduced, the performance of the data service and the ability of supporting the data service can be improved, and the application of a large-capacity long-connection data service is facilitated.
Description
Technical field
The present invention relates to communication technical field, relate in particular to the connection session control method and the device of data service.
Background technology
In recent years, along with telecommunication service development, especially applying of 3G equipment, it is more and more that data service is employed, and occupation mode also trends towards big capacity, the long connection, is the typical case with the broadband access network business wherein.Statistics explicit user every day is 8 hours at the net duration on average, and online user's ratio often surpasses 20% when busy.Under so a kind of trend, also more and more higher to the handling property requirement of OCS (Online Charging System, Convergence Billing System) data service.
Data service system under the OCS solution generally comprises following a few part network element:
OCS: based on the Convergence Billing System of multiple network, multiple charge mode;
AAA (Authentication, Authorization, and Accounting, authentication, authorization and accounting): the network element module that realizes authentication, authorization and accounting function in the data service;
ASN-GW (Access Service Network-GateWay, access service network gateway): the core net IAD of bottom;
BS (Base Station, base station); Underlay base stations;
Fixed (fixed terminal), PDA (Personal Digital Assistant, personal digital assistant): the terminal use's is a kind of.
Prior art provides a kind of OCS data service billing scheme, i.e. " AAA+OCS " solution.In this scheme, OCS provides the real time billing function.AAA realizes authentication, the authorization and accounting function of data service, and the charging message that AAA sends ASN-GW is translated into DCC (Diameter Credit Control, Diamete credit control protocol) message and sent to OCS and charge.OCS data service billing flow process is as follows in this scheme:
ASN-GW sends a service request to AAA, and a CCR of transmission (Credit Control Request, credit control request) asked OCS after AAA received this service request;
OCS carries out wholesale price to the CCR request that receives, and makes funds reservation from the user account the inside, then this CCR request is sent one and replys message CCA (Credit Control Answer, Credit Control Answer);
After AAA received CCA, the aaa authorization terminal use used respective service, and produced credit control request immediately;
When the user reserved that fund soon uses up or wants expired, AAA sent new reservation request to OCS once more, and OCS makes funds reservation once more in user account, and corresponding amount is replied to AAA, and AAA reserves the amount of money to the user and does corresponding the renewal;
When the service that uses up or enable when user account will finish, AAA sent a message that stops credit control service to OCS, comprised the AVP (Attribute Value Pairs, attribute-value to) of identification service termination time in the message;
OCS need be restored to the remaining sum of reserving user account, and withhold.
The inventor finds that there is following deficiency in above-mentioned prior art in realizing process of the present invention:
In existing data service billing scheme realized, concerning the long data service that connects of big capacity, online calling did not produce flow or produces minimum flow in a period of time of being everlasting, such as the living low discharge that do not stop production under wooden horse or the viral situation in the machine.But AAA, OCS call out in order to keep, and but need keep all connection session for a long time, and be extremely serious to systematic function consumption like this, limited the tenability to the data business greatly, is unfavorable for the long application that connects data service of big capacity.
Summary of the invention
The embodiment of the invention provides a kind of connection session control method of data service, and in order to reduce the consumption that takies to Installed System Memory, this method comprises:
Nos charging flow produces or the charging flow of generation during less than threshold value in the connection session of data service is being set duration, preserves the relevant information of described connection session, and discharges the resource that described connection session takies, and makes described connection session enter resting state.
The embodiment of the invention also provides a kind of connection session control device of data service, and in order to reduce the consumption that takies to Installed System Memory, this device comprises:
Preserve module, be used for setting that no charging flow in the duration produces or the charging flow of generation during, preserve the relevant information of described connection session less than threshold value in the connection session of data service;
Release module is used for discharging the resource that described connection session takies after the preservation module is preserved the relevant information of described connection session, makes described connection session enter resting state.
In the embodiment of the invention, nos charging flow produces or the charging flow of generation during less than threshold value in the connection session of data service is being set duration, preserve the relevant information of described connection session, and discharge the resource that described connection session takies, make described connection session enter resting state, can reduce the take consumption of data service, improve the data service performance Installed System Memory, and, help the long application that connects data service of big capacity to the tenability of data business.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.In the accompanying drawings:
Fig. 1 is the connection session control method flow chart of data service in the embodiment of the invention;
Fig. 2 enters the flow chart of resting state for the connection session of OCS trigger data business in the embodiment of the invention;
Fig. 3 is the process chart of connection session control method in an instantiation of data service in the embodiment of the invention;
Fig. 4 is the process chart of connection session control method dormancy session in an instantiation of data service in the embodiment of the invention;
Fig. 5 is the process chart of connection session control method active session in an instantiation of data service in the embodiment of the invention;
Fig. 6 is the structural representation of the connection session control device of data service in the embodiment of the invention;
Concrete structure schematic diagram when Fig. 7 is AAA for the connection session control device of data service in the embodiment of the invention;
Another concrete structure schematic diagram when Fig. 8 is AAA for the connection session control device of data service in the embodiment of the invention;
Fig. 9 is the structural representation of an instantiation of device shown in Figure 8 in the embodiment of the invention;
Figure 10 is the structural representation of the another instantiation of device shown in Figure 8 in the embodiment of the invention;
Concrete structure schematic diagram when Figure 11 is OCS for the connection session control device of data service in the embodiment of the invention;
Figure 12 is the structural representation of an instantiation of device shown in Figure 11 in the embodiment of the invention;
Figure 13 is the structural representation of the another instantiation of device shown in Figure 11 in the embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer, the embodiment of the invention is described in further details below in conjunction with accompanying drawing.At this, illustrative examples of the present invention and explanation thereof are used to explain the present invention, but not as a limitation of the invention.
As shown in Figure 1, in the embodiment of the invention, the connection session control method flow process of data service can comprise:
Step 101, no charging flow produces or the charging flow of generation during less than threshold value in the connection session of data service is being set duration, preserves the relevant information of this connection session;
Step 102, discharge the resource that this connection session takies, make this connection session enter resting state.
Can learn by flow process shown in Figure 1, in the embodiment of the invention, nos charging flow produces or the charging flow of generation during less than threshold value in the connection session of data service is being set duration, preserve the relevant information of this connection session, and discharge the resource that this connection session takies, make this connection session enter resting state, can reduce the take consumption of data service to Installed System Memory, improve the data service performance, and, help the long application that connects data service of big capacity to the tenability of data business.
Flow process shown in Figure 1 and concrete enforcement thereof can be finished by the equipment that can realize its function, such as AAA or OCS, are that example describes below with AAA:
During concrete enforcement, before execution in step 101, can also comprise: the connection session of AAA monitor data business; Can see,, can reach the purpose of the professional connection session state of real-time control data by the size of monitoring and cumulative data service billing flow.
Among the embodiment, the connection session of monitor data business can be embodied as: the state of the connection session of real time scan data service is accumulated at the charging flow of setting the connection session of data service in the duration.
Among the embodiment, when the charging flow of no charging flow generation or generation is less than threshold value in this connection session is being set duration, can also notify Convergence Billing System OCS that described connection session is entered resting state.Specifically can be embodied as: send CCR message to OCS, this CCR message is used to notify OCS to trigger this connection session to enter resting state.
Among the embodiment, preserve at AAA before the relevant information of connection session of data service, can also comprise: receive the Credit Control Answer CCA message that OCS sends, this CCA message is used to indicate OCS to enter the result of resting state according to this connection session of CCR message trigger; If this result enters resting state for OCS successfully triggers this connection session according to CCR message, then AAA can carry out the operation of the relevant information of preserving this connection session.In the embodiment of the invention, the connection session of trigger data business enters resting state, comprising: preserve the relevant information of this connection session, discharge the resource that this connection session takies, make this connection session enter resting state.
During concrete enforcement,, the relevant information of this connection session can be left in the physical storage medium, and do not continue to leave in the memory modules for the data service connection session that is in resting state; Discharge the shared resource of this connection session again after preserving, such as memory headroom, session number etc.Promptly, after receiving the CCA message that OCS sends, judge that OCS is according to the whether dormancy success of the connection session of CCR message data business, if successful then AAA preserves the relevant information of this connection session, discharge the resource that this connection session takies, make this connection session enter resting state, preserve the relevant information of this connection session, discharge the shared resource of this connection session, if unsuccessful then can the wait continues to attempt dormancy next time.
Among the embodiment,, then can send the activation request that activates this connection session to OCS when the accumulative total charging flow of the connection session that receives flow consumption information or data service during greater than threshold value.Similarly, if when the connection session returned of the follow-up OCS of receiving activates successful response message, AAA can activate the connection session of local side.Specifically when carrying out session activation, can from physical store, read the relevant information of stored this connection session, and be loaded in the memory modules, thereby activate the connection session that is in resting state originally.
Mode by dormancy and activating data service connection session, in the time of can solving the big capacity use of long connection data service, because of the serious problem of systematic function consumption that keeps session to bring for a long time, thereby reduce the long consumption that takies that connects data service to Installed System Memory of big capacity, improve the data service performance, improve the supporting dynamics that connects data service for long.
During concrete enforcement, realize that connection session that CCR message is used for the notification triggers data service enters resting state multiple mode can be arranged, for example: can comprise: expansion has the dormancy notification field in the CCR message, the connection session that this dormancy notification field is used for the notification triggers data service enters resting state, for example:
Expansion dormancy notification field Dormancy-Message in CCR message, the value implication of this field can be:
The connection session of 0 expression data service is in state of activation; The connection session of 1 expression data service enters resting state.
By expansion CCR message, can realize dynamically notifying the dormancy connection session, discharge the related resource of connection session, comprise internal memory, resources such as dialogue number reach the internal memory loss of minimizing because of keeping long connection session to cause, and support the long data performance of services that connects thereby improve.
Except expansion CCR message, also can fixedly in the duration, whether report charging request message to judge whether that the connection session of need notification triggers data service enters resting state by monitoring.No charging request message reports and then enters resting state automatically in fixing duration, receives charging request message active session again up to next time, arrives perhaps that message is overtime to be discharged again.
During concrete enforcement, realize that CCA message is used to indicate OCS also multiple mode can be arranged according to the result that CCR message trigger connection session enters resting state, for example, can comprise: expansion has dormancy type field and dormancy result field in the CCA message, this dormancy type field is used to indicate OCS whether to trigger connection session to enter resting state, this dormancy result field is used to indicate OCS whether successfully to trigger connection session to enter resting state, for example:
Expansion dormancy type field in CCA message:
Dormancy-Type, the value implication of this field is: the connection session of 0 expression data service is in state of activation, and the connection session of 1 expression data service is in resting state;
Expansion dormancy result field in CCA message:
Dormancy-Result, the value implication of this field is: the connection session dormancy failure of 0 expression data service, the connection session dormancy success of 1 expression data service.
Be the concrete enforcement that example illustrates flow process shown in Figure 1 below again with OCS:
As shown in Figure 2, the flow process that the connection session of OCS trigger data business enters resting state in this example can comprise:
OCS is after receiving CCR message, and promptly the connection session of trigger data business enters resting state, preserves the relevant information of the connection session of data service, discharges the shared resource of connection session of data service.
Among the embodiment, according to CCR message, the connection session that triggers local side enters after the resting state, can also comprise: send CCA message to AAA, this CCA message is used to indicate the connection session that triggers local side to enter the result of resting state.
If the activation request of the activation connection session that the follow-up AAA of receiving sends can also activate the connection session of the resting state of local side according to activating request.Can comprise during enforcement: read the relevant information of the connection session of being preserved, activate the session of resting state, thereby start follow-up Message Processing flow process.
Similar with flow process shown in Figure 1, during concrete enforcement, realize that connection session that CCR message is used for the notification triggers data service enters resting state multiple mode can be arranged, for example: can comprise: expansion has the dormancy notification field in the CCR message, and the connection session that this dormancy notification field is used for the notification triggers data service enters resting state.
Realize that the result that CCA message is used to indicate the connection session that triggers local side to enter resting state also can have multiple mode, for example, can comprise: expansion has dormancy type field and dormancy result field in the CCA message, this dormancy type field is used to indicate whether to trigger connection session and enters resting state, and this dormancy result field is used to indicate whether successfully trigger connection session and enters resting state.
To utilize OCS and AAA to realize that the connection session control method of above-mentioned data service is an example, the concrete enforcement of embodiment of the invention method is described below.
Fig. 3 shows the handling process of the connection session control method of data service in this example, and this handling process can comprise:
Step 301, AAA receive the request of charging;
Step 302, AAA send CCR message to OCS;
After step 303, OCS receive CCR message, carry out wholesale price and handle, comprise authentication, inverse etc., and in user account, carry out the funds reservation processing;
Step 304, OCS return CCA message to AAA;
After step 305, AAA received CCA message, authorization terminal user used respective service, and produced credit control request immediately, comprising calling Service Component, and determined the parameter that continues;
The connection session of step 306, AAA monitor data business;
The connection session of step 307, AAA specified data business does not produce flow consumption or cumulative charging flow less than threshold value in setting duration;
Step 308, AAA send CCR message to OCS, and the connection session that the information of carrying is notified OCS side data business in this CCR message can enter resting state;
After step 309, OCS received the CCR message of the notice dormancy session that AAA sends, the connection session of trigger data business entered resting state;
Step 310, OCS inform dormancy result and dormancy type to AAA feedback CCA message;
Step 311, AAA are judged the dormancy result in the CCA message that receives, if success then the data service connection session that triggers the AAA side also enters resting state, otherwise do not enter, treat to continue to attempt dormancy next time;
Step 312, when the user reserves that fund soon uses up or wants expired, AAA receives the request of continuation application data service;
Step 313, AAA are according to the Apply Charging information in the request of the continuation application data service that receives, and the relevant information of the data service connection session of preserving before reading activates this connection session;
Step 314, AAA send CCR message to OCS, and request is deducted fees;
Step 315, OCS receive the request message of deducting fees of AAA, and the relevant information of the data service connection session of preserving before reading activates connection session;
Step 316, OCS carry out wholesale price to be handled, and comprises authentication, inverse etc., and carries out the funds reservation processing in user account;
Step 317, OCS reply to AAA by ACS with corresponding amount;
Step 318, AAA continue the connection session of monitor data business;
The service that step 319, user account use up or enable will finish;
Step 320, AAA send a message that stops credit control service to OCS by CCR;
Step 321, OCS carry out wholesale price processing, the processing that keeps accounts, end session;
Step 322, OCS return CCA and give AAA;
Step 323, AAA discharge connection.
Lift an example below again, the dormancy and the activation of the connection session of data service is described respectively.
In this example, still utilize OCS, AAA to realize the connection session control method of above-mentioned data service, in addition, also expand dormancy notification field Dormancy-Message in this example in CCR message, the value implication of this field is: the connection session of 0 expression data service is in state of activation; The connection session of 1 expression data service enters resting state;
Expansion dormancy type field: Dormancy-Type in CCA message, the value implication of this field is: the connection session of 0 expression data service is in state of activation, and the connection session of 1 expression data service is in resting state;
Expansion dormancy result field: Dormancy-Result in CCA message, the value implication of this field is: the connection session dormancy failure of 0 expression data service, the connection session dormancy success of 1 expression data service.
As shown in Figure 4, the connection session dormancy handling process of data service can comprise in this example:
When step 401, data service billing, AAA monitors the connection status of current chargeable session;
Step 402, no matter current sessions adopts and presses duration/flow/duration; The traffic monitoring mode, AAA is accumulated in the predefined duration, the charging flow that current sessions produced;
The charging flow of step 403, accumulation in the judgement current preset time equals 0, perhaps less than certain threshold value (this threshold value can dispose on AAA), as the then execution in step 404 that satisfies condition, otherwise execution in step 405;
Whether step 407, the value of judging Dormancy-Message equal 1 session and enter resting state, if equal 1 execution in step 409, otherwise execution in step 408;
Session activation is waited in step 414, AAA dormancy session, and the dormancy flow process finishes.
As shown in Figure 5, the connection session activation process of data service can comprise in this example:
When step 501, data service billing, AAA monitors the connection status of current chargeable session;
Step 502, no matter current sessions adopts and presses duration/flow/duration; The traffic monitoring mode, AAA is accumulated in the predefined duration, the charging flow that current sessions produced;
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, this program can be stored in the computer read/write memory medium, this program is when carrying out, can comprise all or part of step in the foregoing description method, this storage medium can comprise: ROM, RAM, disk, CD etc.
Also provide a kind of connection session control device of data service in the embodiment of the invention, as described in the following examples.Because the principle of this device solves problem is similar to the connection session control method of data service, so the enforcement of this device can repeat part and repeat no more referring to the enforcement of method.
As shown in Figure 6, in the embodiment of the invention, the connection session control device of data service can comprise:
The connection session device of data service shown in Figure 6 can realize that the device of its function all can be implemented when specific implementation, be AAA or OCS such as this device, is that AAA is that example describes with this device below:
If the connection session control device of this data service is AAA, then as shown in Figure 7, in one embodiment, the connection session control device of data service can also comprise:
Among another embodiment, as shown in Figure 8, the connection session control device of data service can also comprise:
First sending module 801 is used for notifying Convergence Billing System OCS that this connection session is entered resting state when this connection session is being set no charging flow produces or produces in the duration charging flow less than threshold value.Certainly, device shown in Figure 7 also can comprise first sending module 801.
First sending module 801 specifically can be used for: send the CCR message carry the dormancy notification field to OCS, this dormancy notification field is used to notify OCS to trigger this connection session to enter resting state.
In one embodiment, as shown in Figure 9, the connection session control device of data service can also comprise:
Preserving module 601 specifically can be used for: when this result successfully triggers this connection session and enters resting state according to this CCR message for OCS, carry out the operation of the relevant information of described this connection session of preservation.
Among another embodiment, as shown in figure 10, the connection session control device of data service can also comprise:
First active module 1001 is used at the accumulative total charging flow that receives flow consumption information or connection session sending the activation request that activates connection session to OCS during greater than threshold value.
Connection session control device with data service is that OCS is that example describes below:
If the connection session control device of data service is OCS, then as shown in figure 11, in one embodiment, the connection session control device of data service can also comprise:
Preserving module 602 specifically can be used for: according to the dormancy notification field, carry out the operation of the relevant information of preserving this connection session.
As shown in figure 12, among the embodiment, the control of the connection session of data service can also comprise:
As shown in figure 13, among the embodiment, the connection session control device of data service can also comprise:
Second active module 1301 is used to receive the activation request of the activation connection session that AAA sends; Activate request according to this, activate the connection session of the resting state of local side.
In the embodiment of the invention, nos charging flow produces or the charging flow of generation during less than threshold value in the connection session of data service is being set duration, preserve the relevant information of described connection session, and discharge the resource that described connection session takies, make described connection session enter resting state, can reduce the take consumption of data service, improve the data service performance Installed System Memory, and, help the long application that connects data service of big capacity to the tenability of data business.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (18)
1. the connection session control method of a data service is characterized in that, this method comprises:
Nos charging flow produces or the charging flow of generation during less than threshold value in the connection session of data service is being set duration, preserves the relevant information of described connection session, and discharges the resource that described connection session takies, and makes described connection session enter resting state.
2. the method for claim 1 is characterized in that, also comprises:
The state of the described connection session of real time scan is accumulated at and sets the charging flow that described connection session produces in the duration.
3. method as claimed in claim 1 or 2, it is characterized in that, the charging flow that no charging flow produces or produces in the connection session of data service is being set duration also comprises: notify Convergence Billing System OCS that described connection session is entered resting state during less than threshold value.
4. method as claimed in claim 3, it is characterized in that, notice OCS enters resting state with described connection session and comprises: send the credit control request CCR message of carrying the dormancy notification field to OCS, described dormancy notification field is used to notify OCS to trigger described connection session to enter resting state.
5. method as claimed in claim 4 is characterized in that, also comprises:
Receive the Credit Control Answer CCA message that OCS sends, described CCA message is used to indicate OCS to enter the result of resting state according to the described connection session of CCR message trigger;
When described result successfully triggers described connection session and enters resting state according to described CCR message for OCS, carry out the operation of the relevant information of the described connection session of described preservation.
6. method as claimed in claim 3 is characterized in that, this method further comprises:
When the accumulative total charging flow that receives flow consumption information or described connection session during, send the activation request that activates described connection session to OCS greater than threshold value.
7. the method for claim 1, it is characterized in that, also comprise: no charging flow produces or the charging flow of generation during less than threshold value in the connection session of data service is being set duration, the CCR message of carrying the dormancy notification field that reception authentication, authorization and accounting AAA send, the connection session that described dormancy notification field is used for the notification triggers data service enters resting state;
According to described dormancy notification field, carry out the operation of the relevant information of the described connection session of described preservation.
8. method as claimed in claim 7 is characterized in that, also comprises:
Send CCA message to AAA, described CCA message is used to indicate the described connection session that triggers local side to enter the result of resting state.
9. method as claimed in claim 7 is characterized in that, this method further comprises:
The activation request of the described connection session of activation that reception AAA sends;
According to described activation request, activate the described connection session of the resting state of local side.
10. the connection session control device of a data service is characterized in that, this device comprises:
Preserve module, be used for setting that no charging flow in the duration produces or the charging flow of generation during, preserve the relevant information of described connection session less than threshold value in the connection session of data service;
Release module is used for discharging the resource that described connection session takies after the preservation module is preserved the relevant information of described connection session, makes described connection session enter resting state.
11. device as claimed in claim 10 is characterized in that, also comprises:
Monitoring module is used for the state of the described connection session of real time scan, is accumulated to set the charging flow that described connection session produces in the duration.
12. as claim 10 or 11 described devices, it is characterized in that, also comprise:
First sending module is used for notifying Convergence Billing System OCS that described connection session is entered resting state when described connection session is being set no charging flow produces or produces in the duration charging flow less than threshold value.
13. device as claimed in claim 12 is characterized in that, described first sending module specifically is used for: send the CCR message of carrying the dormancy notification field to OCS, described dormancy notification field is used to notify O
CS triggers described connection session and enters resting state.
14. device as claimed in claim 13 is characterized in that, also comprises:
First receiver module is used to receive the Credit Control Answer CCA message that OCS sends, and described CCA message is used to indicate OCS to enter the result of resting state according to the described connection session of CCR message trigger;
Described preservation module specifically is used for: when described result successfully triggers described connection session and enters resting state according to described CCR message for OCS, carry out the operation of the relevant information of the described connection session of described preservation.
15. device as claimed in claim 12 is characterized in that, also comprises:
First active module is used at the accumulative total charging flow that receives flow consumption information or described connection session sending the activation request that activates described connection session to OCS during greater than threshold value.
16. device as claimed in claim 10 is characterized in that, also comprises:
Second receiver module, be used for setting that no charging flow in the duration produces or the charging flow of generation during less than threshold value in the connection session of data service, the CCR message of carrying the dormancy notification field that reception authentication, authorization and accounting AAA send, the connection session that described dormancy notification field is used for the notification triggers data service enters resting state;
Described preservation module specifically is used for: according to described dormancy notification field, carry out the operation of the relevant information of the described connection session of described preservation.
17. device as claimed in claim 16 is characterized in that, also comprises:
Second sending module is used for sending CCA message to AAA, and described CCA message is used to indicate the described connection session that triggers local side to enter the result of resting state.
18. device as claimed in claim 16 is characterized in that, also comprises:
Second active module is used to receive the activation request of the described connection session of activation that AAA sends; According to described activation request, activate the described connection session of the resting state of local side.
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| CN114364056A (en) * | 2021-12-28 | 2022-04-15 | 天翼物联科技有限公司 | Method, system, device and storage medium for controlling terminal LWM2M session |
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| CN1898933A (en) * | 2003-10-21 | 2007-01-17 | 高通股份有限公司 | Methods and apparatus for network initiated data services |
| WO2007116310A2 (en) * | 2006-04-07 | 2007-10-18 | Nokia Corporation | Managing connections in a mobile telecommunications network |
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