CN102083157A - Method, terminal and system for processing packet switching domain service - Google Patents
Method, terminal and system for processing packet switching domain service Download PDFInfo
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Abstract
The invention provides a method, terminal and system for processing a packet switching domain service, relating to the field of mobile communication and aiming at solving the technical problem of providing a persistent and effective packet switching domain service for a subscriber. The method comprises the following steps: firstly, a terminal saves the PDP (packet data protocol) context of the packet switching domain service when stopping at the packet switching domain service of a first network; and secondly, the terminal rebuilds the packet switching domain service in a second network. The invention can be applied to a single-card dual-standby terminal.
Description
Technical field
The present invention relates to moving communicating field, be meant a kind of method, terminal and system that handles grouping commutative field service especially.
Background technology
3-G (Generation Three mobile communication system) is IMT-2000 (International Mobile TelecomSystem-2000), be a kind of advanced person's mobile communication system, it can make in the world any time of personal terminal user, any place, with anyone, realize the mobile communication and the transmission of any information in high quality in any way.Each terminal all can be used multiple business simultaneously, thereby can make the user can also receive voice call when being connected to local area network (LAN), carries out Speech Communication and transceive data simultaneously.
In recent years, along with the fast development of mobile communication technology, 3-G (Generation Three mobile communication system) is widely applied, the situation that there is multiple wireless access technology in present network and deposits.In the network coexisted system environments of multiple wireless access technology, the difference of the difference of the technical system of different radio access technologies network, the network coverage and optimization degree all will be brought very big influence to multimode terminal performance and user experience, GSM (GlobalSystem for Mobile Communications, global system for mobile communications)/GPRS (General PacketRadio Service, the general packet radio service technology) network technology maturation, through the network optimization for a long time, the network coverage is very comprehensive.
Use single SIM card (Subscriber Identification Module, Subscriber Identity Module) two nets (GSM/UMTS (Universal Mobile Telecommunications System, global mobile communication system)) portable terminal of standby, can in the GSM/GPRS network, carry out voice service, in the UMTS network, carry out Packet data service, thereby utilize ripe GSM/GPRS network to guarantee the user's voice quality of service, and utilize advanced UMTS network to guarantee the Packet data service speed of high-quality.
But, because there are the situations such as not enough, that optimization is insufficient that cover in the 3G (Third Generation) Moblie network at first stage of construction, the user is when using grouping commutative field service, might take place to cover the situation of failing, the grouping commutative field service of continuous and effective can not be provided for the user owing to the 3G (Third Generation) Moblie network loses.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method, terminal and system that rebuilds grouping commutative field service, and the grouping commutative field service of continuous and effective can be provided for the user.
For solving the problems of the technologies described above, embodiments of the invention provide technical scheme as follows:
On the one hand, provide a kind of method of handling grouping commutative field service, comprising:
When step 1, terminal stop at first grouping of network switching domain business, preserve the PDP Context of described grouping commutative field service;
Step 2, described terminal are rebuild grouping commutative field service according to the PDP Context of described grouping commutative field service on second network.
Before the described step 1, described method comprises: when described terminal loses the covering of described first network, stop at the described first grouping of network switching domain business.
After the described step 1, before the described step 2, described method also comprises:
Described terminal is searched second network, and judges whether to satisfy the condition of rebuilding grouping commutative field service on described second network.
Before the described step 1, described method comprises:
Described terminal is searched second network;
If search described second network, then stop at the described first grouping of network switching domain business.
Before the described step that stops at the described first grouping of network switching domain business, also comprise:
Whether described terminal judges satisfies the condition of rebuilding grouping commutative field service on described second network.
Described step 3 comprises:
Described terminal and the described second network of network end equipment carry out the packet-switched domain Routing Area Update;
Described terminal reports described PDP Context to the described second network of network end equipment, makes the described second network of network end equipment provide grouping commutative field service according to described PDP Context.
Described first network is the UMTS network, and described second network is a GPRS network; Perhaps
Described second network is the UMTS network, and described first network is a GPRS network.
Whether described terminal judges satisfies in the step of the condition of rebuilding grouping commutative field service on described second network, and described condition is:
Described terminal is resident and succeed in registration at described second network, and described second network and described first network belong to same PLMN.
Described first network is the UMTS network, and described second network is a GPRS network, and described condition also comprises:
The current circuit domain business that in described second network, do not carry out of described terminal;
The current circuit domain signaling process of in described second network, not carrying out of described terminal.
On the other hand, provide a kind of terminal, comprising:
PDP Context is preserved module, when being used to stop at first grouping of network switching domain business, preserves the PDP Context of described grouping commutative field service;
Grouping commutative field service is set up module, is used for the PDP Context according to described grouping commutative field service, rebuilds grouping commutative field service on described second network.
Described terminal also comprises:
Judge module is used to judge whether to satisfy the condition of rebuilding grouping commutative field service on described second network.
On the other hand, provide a kind of system that handles grouping commutative field service, comprising: terminal, first network and second network, described terminal is used for, and when stopping at first grouping of network switching domain business, preserves the PDP Context of described grouping commutative field service; According to the PDP Context of described grouping commutative field service, on described second network, rebuild grouping commutative field service.
Embodiments of the invention have following beneficial effect:
In the such scheme, when terminal stops at first grouping of network switching domain business, preserve the PDP Context of described grouping commutative field service, make described terminal, on second network, rebuild grouping commutative field service according to the PDP Context of described grouping commutative field service.Because PDP Context comprises the IP address information of terminal, can be, and cause the application of grouping commutative field service to continue owing to the IP address of change terminal in process of reconstruction, thus the service of lasting grouping commutative field service is provided for the user.
Description of drawings
Fig. 1 is the schematic flow sheet of an embodiment of the method for described processing grouping commutative field service of the present invention;
Fig. 2 is the schematic flow sheet of another embodiment of the method for described processing grouping commutative field service of the present invention;
Fig. 3 is the schematic flow sheet of another embodiment of the method for described processing grouping commutative field service of the present invention;
Fig. 4 is the structural representation of described terminal of the present invention;
Fig. 5 is the structural representation of described system of the present invention;
Fig. 6 is the schematic flow sheet of an application scenarios of the method for described processing grouping commutative field service of the present invention;
Fig. 7 is the schematic flow sheet of Another Application scene of the method for described processing grouping commutative field service of the present invention.
Embodiment
For technical problem, technical scheme and advantage that embodiments of the invention will be solved is clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
As shown in Figure 1, be a kind of method of handling grouping commutative field service of the present invention, comprise:
When step 11, terminal stop at first grouping of network switching domain business, preserve the PDP Context of described grouping commutative field service; Described step 11 is specially: described terminal loses the covering of described first network and stops at the described first grouping of network switching domain business.Perhaps be: described terminal is regularly searched second network; If search described second network, then stop at the described first grouping of network switching domain business.
Step 12, described terminal are rebuild grouping commutative field service according to the PDP Context of described grouping commutative field service on second network.
As shown in Figure 2, be an a kind of embodiment who handles the method for grouping commutative field service of the present invention, comprise:
Step 21 when described terminal loses the covering of described first network, stops at the described first grouping of network switching domain business.
Step 22, described terminal is preserved the PDP Context of described grouping commutative field service.
Step 23, described terminal is searched second network.
Whether step 24, described terminal judges satisfy the condition of rebuilding grouping commutative field service on described second network.Wherein, described condition is: described terminal is resident and succeed in registration at described second network, and described second network and described first network belong to same PLMN.
Step 25, as satisfying, then described terminal is rebuild grouping commutative field service on described second network.Specifically comprise: described terminal and the described second network of network end equipment carry out the packet-switched domain Routing Area Update; Described terminal reports described PDP Context to the described second network of network end equipment, makes the described second network of network end equipment provide grouping commutative field service according to described PDP Context; If do not satisfy, then rejudge again after at the fixed time.
Wherein, described first network can be the UMTS network, and described second network can be a GPRS network; Perhaps
Described second network can be the UMTS network, and described first network can be a GPRS network.
When described first network is the UMTS network, described second network is a GPRS network, and in the described step 24, described condition is: described terminal is resident and succeed in registration at described second network, and described second network and described first network belong to same PLMN; The current circuit domain business that in described second network, do not carry out of described terminal; The current circuit domain signaling process of in described second network, not carrying out of described terminal.
In the such scheme, support the two terminals for the treatment of of single deck tape-recorder when first network uses grouping commutative field service, when first network stops grouping commutative field service being provided, rebuild grouping commutative field service at second network, the grouping commutative field service of continuous and effective can be provided for the user to greatest extent.
As shown in Figure 3, another embodiment for the method for processing grouping commutative field service of the present invention comprises:
When step 31, described terminal are carried out grouping commutative field service at first network, regularly search second network;
Step 32, if search described second network, whether described terminal judges satisfies the condition of rebuilding grouping commutative field service on described second network.Wherein, described condition is: described terminal is resident and succeed in registration at described second network, and described second network and described first network belong to same PLMN.
Wherein, described first network can be the UMTS network, and described second network can be a GPRS network; Perhaps
Described second network can be the UMTS network, and described first network can be a GPRS network.
When described first network is the UMTS network, when described second network was GPRS network, in institute's step 32, described condition was: described terminal is resident and succeed in registration at described second network, and described second network and described first network belong to same PLMN; The current circuit domain business that in described second network, do not carry out of described terminal; The current circuit domain signaling process of in described second network, not carrying out of described terminal.
As shown in Figure 4, be terminal of the present invention, comprise:
PDP Context is preserved module 42, when being used to stop at first grouping of network switching domain business, preserves the PDP Context of described grouping commutative field service;
Grouping commutative field service is set up module 43, is used for the PDP Context according to described grouping commutative field service, rebuilds grouping commutative field service on described second network.
Described terminal is characterized in that, also comprises:
As shown in Figure 5, system for processing grouping commutative field service of the present invention comprises: terminal 50, first network 51 and second network 52, and described terminal 50 is used for, when stopping at the grouping commutative field service of first network 51, preserve the PDP Context of described grouping commutative field service; According to the PDP Context of described grouping commutative field service, on described second network 52, rebuild grouping commutative field service.
The invention provides and a kind ofly treat in the system in that single deck tape-recorder is two, rebuild the professional apparatus and method of packet-switched domain (PS, Packet Switch).When the user uses the single deck tape-recorder double-standby mobile terminal, when in the 3G (Third Generation) Moblie network, using grouping commutative field service, if take place owing to the 3G (Third Generation) Moblie network loses the situation that covering (can't reside in the UMTS sub-district) is failed, terminal is rebuild grouping commutative field service fast in the GSM/GPRS network, the grouping commutative field service of continuous and effective is provided for the user to greatest extent; And when the UMTS cell recovery covers, switch to UMTS fast, provide packet switching service at the UMTS network.Can work as when losing and recover the UMTS covering the fast quick-recovery PS of portable terminal territory business.
The embodiment of terminal of the present invention is below described.Described terminal comprises UMTS communication pattern module, GPRS communication pattern module and main control module, and described main control module comprises: service reconstruction judge module, PDP Context are preserved module and service reconstruction control module.Wherein, UMTS communication pattern module, GPRS communication pattern module are that above-mentioned grouping commutative field service is set up module.The service reconstruction judge module is above-mentioned judge module.The service reconstruction control module is above-mentioned control module.
As shown in Figure 6, described method comprises:
Step 1, the PS business is carried out on the UMTS network, and the UMTS communication pattern module report of terminal is lost the UMTS network coverage, link failure, PS service fail.
Step 2 judges whether that the sub-district of recovering at the UMTS network covers, if then carry out step 10; Otherwise, execution in step 3.
Step 3, the service reconstruction judge module of terminal judge whether GPRS communication pattern module status satisfies following condition, if meet following condition, then continue step 5, attempt rebuilding the PS business in GPRS network.If do not meet following condition, then execution in step 4.
Described condition comprises:
(1) the GPRS communication pattern module of terminal is current resident in GPRS network, and succeed in registration, and with the UMTS communication pattern module of terminal before the network of the PS business of carrying out belong to same PLMN (Public Land Mobile-communication Network, public land mobile communication network);
(2) the current circuit domain business (as voice call, short message etc.) that in GPRS network, do not carry out of GPRS communication pattern module;
(3) the current circuit domain signaling process (as location area updating, supplementary service etc.) of in GPRS network, not carrying out of GPRS communication pattern module.
Step 4, current state does not meet the described condition of step 3, and current terminal temporarily can't be rebuild the PS business in GPRS network, and PDP Context is preserved PDP (the Packet DataProtocol that module keeps the PS business, packet data protocol) service reconstruction temporarily do not initiated in context context).
Step 5, service reconstruction control module request GPRS communication pattern module, in Routing Area Update request (Routing Area Update Request) signaling, on GPRS network, initiate PS territory Routing Area Update (Routing Area Update), in signaling, report PDP Context state (PDP context statusIE) simultaneously.
Step 6, whether the signaling judgment data business that GPRS communication pattern module is returned according to GPRS network rebuilds success in GPRS network; If the signaling that GPRS network is replied is: Routing Area Update is accepted (Routing Area Update Accept) signaling, and then data service is rebuild successfully in GPRS network.If the signaling that GPRS network is replied is: Routing Area Update failure (RoutingArea Update Reject) signaling or the failure of other reason, this data service reconstruction failure.Describe with reference to 3GPP TS24.008 4.7.5 chapter, judge the failure cause that GPRS network is replied, to carry out next step action (behind the timer expiry retry or abandon the PS business).If with reference to protocol requirement, the reason of reconstruction failure does not influence the PS service condition, and then PDP Context is preserved the PDP Context that module continues to keep the PS business, and wait is rebuild once more or the UMTS network recovery covers; Otherwise, abandon rebuilding the PS business at GPRS.
Step 7, UMTS communication pattern module is periodically searched for the UMTS network cell, if search the UMTS network cell, then resides on the UMTS network cell.
Step 8, service reconstruction judge module judge whether current terminal can rebuild the PS business at the UMTS network.If meet following condition, then continue step 9.Described condition is: current UMTS communication pattern module is resident at the UMTS network, and with GMS communication pattern module before carry out the PS business network belong to same PLMN.
Step 9, main control module notice GPRS communication pattern module is at the local PS link that discharges of GPRS network.
Step 10, main control module request UMTS communication pattern module, initiate PS territory Routing Area Update (Routing Area Update) at the UMTS network cell, in Routing Area Update request (Routing AreaUpdate Request) signaling, in signaling, report PDP Context state (PDP contextstatus IE) simultaneously.
Step 12, UMTS communication pattern module is in UMTS network initiated service request (Service Request) signaling, and the type of service in the signaling (Service Type) is data (Data).The UMTS network is replied professional accept (Service Accept), and the PS business is rebuild successfully at the UMTS network.
Portable terminal is a single deck tape-recorder double-standby terminal.Portable terminal current GPRS and the standby respectively of UMTS network in same operator, wherein circuit commutative field registration (Locating Area Update) is in GPRS network, and packet-switched domain registration (Attach) is at the UMTS network.
As shown in Figure 7, described method comprises:
At first, the data service of subscriber dialing initiation packet switching domain, terminal is initiated PDP context activation (PDP Context Active Request) at the UMTS network, and network is accepted business (PDP ContextActive Accept), and the PS business begins to carry out.
Then, during the PS business was carried out, UMTS communication pattern module detected the covering that loses the UMTS network.The service reconstruction judge module is checked current registration scenarios in GPRS network, and Discovery Status is registered, and the current circuit switched domain service that do not carry out.
Then, GPRS communication pattern module is initiated Routing Area Update (Routing AreaUpdate) in GPRS network, and indicates current PDP state (promptly carrying PDP context status IE) in Routing Area Update request (Routing Area Update Request) signaling.
Then, network is replied Routing Area Update and is accepted (Routing Area Update Accept) signaling.The Routing Area Update process is finished.
Then, network is initiatively sent out change PDP Context request (Modify PDP Context Request) signaling, consults the QoS context of PS business in GPRS network.GPRS communication pattern module receives new context, sends PDP Context and accepts (Modify PDP ContextAccept) signaling.
Like this, the PS business is rebuild in GPRS network and is finished.
Then, UMTS communication pattern block search is to the UMTS sub-district, whether the state of service reconstruction judge module assessment UMTS meets the service reconstruction rule, if meet, GPRS communication pattern module is interrupted the PS business on the GPRS sub-district, UMTS communication pattern module attempts initiating Routing Area Update (Routing Area Update Request) signaling at the UMTS network, and network accepts request, and replys the route district and accepts (Routing Area Update Accept) signaling.
Then, UMTS communication pattern module is initiated PS territory service request (Service Request) signaling, and the cell type of service in the signaling (Service Type) is set to data (Data).
At last, network is accepted the PS service reconstruction, replys professional (Service Accept) signaling of accepting.Finish the recovery process of PS territory business at the UMTS network.
As can be seen from the above description, the present invention initiates registration (Attach) again in GPRS network after the UMTS network loses covering, and rebuilds professional.This programme by Routing Area Update, can continue to keep PDP Context by continuing to use the method for PDP Context.Because PDP Context comprises the IP address information of terminal, can be owing to the IP address of change terminal in process of reconstruction, and cause application to continue.
Among the present invention, when terminal is carried out the PS business on the UMTS network, if the UMTS network loses covering, terminal is passed through Routing Area Update (Routing Area Update) signaling in GPRS network, carry PDP Context information in the signaling, continue to use same PDP Context, rebuild the PS business.
When terminal is carried out the PS business on GPRS network, if existing, the UMTS network covers, then discharge GPRS network PS link in this locality, pass through Routing Area Update (Routing AreaUpdate) signaling and PS territory service request (Service) signaling at the UMTS network, use same PDP Context, rebuild the PS business.
When rebuilding business in the network of terminal at different access technologies, at first judge and current whether meeting rebuild professional requirement at the target inserting technology networks.If there is not the network conforms condition, then keep PDP Context, wouldn't initiate to rebuild.After inserting technology networks satisfies recondition, initiate to rebuild at this inserting technology networks.
After the UMTS network is rebuild the failure of PS service reconstruction, should return GPRS network and rebuild PS territory link, continue to carry out the PS business in GPRS network.
Rebuild when professional at the target inserting technology networks, if when not meeting recondition, periodically whether testing conditions satisfies; Or after target access technology mode module was eligible, the proactive notification main control module detected recondition, and triggered service reconstruction.
In the foregoing description, described the mode of the mode of use Lu Youqu renewal, also can use the mode of Attach (registration) at GPRS network reconstruction block domain data service.
Described method embodiment is corresponding with described device embodiment, the description of relevant portion gets final product among the part comparable device embodiment that does not describe in detail in method embodiment, and the description of relevant portion gets final product among the part reference method embodiment that does not describe in detail in device embodiment.
One of ordinary skill in the art will appreciate that, realize that all or part of step in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, this program is when carrying out, comprise step as above-mentioned method embodiment, described storage medium, as: magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
In each method embodiment of the present invention; the sequence number of described each step can not be used to limit the sequencing of each step; for those of ordinary skills, under the prerequisite of not paying creative work, the priority of each step is changed also within protection scope of the present invention.
The above is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (12)
1. a method of handling grouping commutative field service is characterized in that, comprising:
When step 1, terminal stop at first grouping of network switching domain business, preserve the PDP Context of described grouping commutative field service;
Step 2, described terminal are rebuild grouping commutative field service according to the PDP Context of described grouping commutative field service on second network.
2. the method for processing grouping commutative field service according to claim 1 is characterized in that, before the described step 1, described method comprises: when described terminal loses the covering of described first network, stop at the described first grouping of network switching domain business.
3. the method for processing grouping commutative field service according to claim 2 is characterized in that, after the described step 1, before the described step 2, described method also comprises:
Described terminal is searched second network, and judges whether to satisfy the condition of rebuilding grouping commutative field service on described second network.
4. the method for processing grouping commutative field service according to claim 1 is characterized in that, before the described step 1, described method comprises:
Described terminal is searched second network;
If search described second network, then stop at the described first grouping of network switching domain business.
5. the method for processing grouping commutative field service according to claim 4 is characterized in that, before the described step that stops at the described first grouping of network switching domain business, also comprises:
Whether described terminal judges satisfies the condition of rebuilding grouping commutative field service on described second network.
6. according to the method for each described processing grouping commutative field service of claim 1-5, it is characterized in that described step 3 comprises:
Described terminal and the described second network of network end equipment carry out the packet-switched domain Routing Area Update;
Described terminal reports described PDP Context to the described second network of network end equipment, makes the described second network of network end equipment provide grouping commutative field service according to described PDP Context.
7. the method for processing grouping commutative field service according to claim 1 is characterized in that,
Described first network is the UMTS network, and described second network is a GPRS network; Perhaps
Described second network is the UMTS network, and described first network is a GPRS network.
8. according to the method for claim 3 or 5 described processing grouping commutative field services, it is characterized in that whether described terminal judges satisfies in the step of the condition of rebuilding grouping commutative field service on described second network, described condition is:
Described terminal is resident and succeed in registration at described second network, and described second network and described first network belong to same public land mobile communication network PLMN.
9. the method for processing grouping commutative field service according to claim 8 is characterized in that, described first network is the UMTS network, and described second network is a GPRS network, and described condition also comprises:
The current circuit domain business that in described second network, do not carry out of described terminal;
The current circuit domain signaling process of in described second network, not carrying out of described terminal.
10. a terminal is characterized in that, comprising:
Control module is used to stop at the first grouping of network switching domain business;
PDP Context is preserved module, when being used to stop at first grouping of network switching domain business, preserves the PDP Context of described grouping commutative field service;
Grouping commutative field service is set up module, is used for the PDP Context according to described grouping commutative field service, rebuilds grouping commutative field service on described second network.
11. terminal according to claim 10 is characterized in that, also comprises:
Judge module is used to judge whether to satisfy the condition of rebuilding grouping commutative field service on described second network.
12. a system that handles grouping commutative field service comprises: terminal, first network and second network, it is characterized in that described terminal is used for, when stopping at first grouping of network switching domain business, preserve the PDP Context of described grouping commutative field service; According to the PDP Context of described grouping commutative field service, on described second network, rebuild grouping commutative field service.
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| CN2011100055462A CN102083157A (en) | 2011-01-06 | 2011-01-06 | Method, terminal and system for processing packet switching domain service |
| PCT/CN2012/070068 WO2012092869A1 (en) | 2011-01-06 | 2012-01-05 | Method, terminal and system for processing packet switching services |
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| CN2011100055462A CN102083157A (en) | 2011-01-06 | 2011-01-06 | Method, terminal and system for processing packet switching domain service |
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| WO2012092869A1 (en) * | 2011-01-06 | 2012-07-12 | 意法·爱立信半导体（北京）有限公司 | Method, terminal and system for processing packet switching services |
| CN102355706A (en) * | 2011-07-19 | 2012-02-15 | 华为终端有限公司 | Method for bearing data service by terminal and terminal |
| WO2014180389A1 (en) * | 2013-11-27 | 2014-11-13 | 中兴通讯股份有限公司 | Standby side switching method and device for packet data service |
| CN104684036A (en) * | 2013-11-27 | 2015-06-03 | 中兴通讯股份有限公司 | Standby side switching method and standby side switching device for packet data service |
| RU2646369C2 (en) * | 2013-11-27 | 2018-03-02 | Зте Корпарейшн | Method and device of communication of backup line for package data processing |
| CN104684036B (en) * | 2013-11-27 | 2019-02-26 | 中兴通讯股份有限公司 | The standby side switching method and apparatus of Packet data service |
| CN110621049A (en) * | 2018-06-19 | 2019-12-27 | 中国移动通信有限公司研究院 | Communication method and device of dual-mode terminal and dual-mode terminal |
| CN109474966A (en) * | 2018-11-29 | 2019-03-15 | 努比亚技术有限公司 | Method for controlling mobile terminal, mobile terminal and computer readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012092869A1 (en) | 2012-07-12 |
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