CN103701843A - Information synchronization data transmission method and system - Google Patents
Information synchronization data transmission method and system Download PDFInfo
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- CN103701843A CN103701843A CN201210374728.1A CN201210374728A CN103701843A CN 103701843 A CN103701843 A CN 103701843A CN 201210374728 A CN201210374728 A CN 201210374728A CN 103701843 A CN103701843 A CN 103701843A
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Abstract
The invention is applicable to the field of mobile communication and provides an information synchronization data transmission method and an information synchronization data transmission system. The method comprises the following steps of receiving an information synchronization request sent by a mobile terminal through a host link, wherein the information synchronization request comprises the information of both the host link and an auxiliary link, judging whether to use the host link and the auxiliary link to transmit the information synchronization data according to the information of the host link and the auxiliary link, the link conditions and the information synchronization data needing to be transmitted, dividing the information synchronization data if judging that the host link and the auxiliary link are used to transmit the information synchronization data, and utilizing the selected host link and the auxiliary link to send the divided information synchronization data to the mobile terminal. According to the invention, the host link and the auxiliary link are adopted to transmit the information synchronization data between the mobile terminal and a server according to the to-be -transmitted information synchronization data and the connecting conditions of the links, so that the available resources are utilized to a greater extent, the data transmission efficiency is improved, and the transmission cost is effectively lowered.
Description
Technical field
The invention belongs to moving communicating field, relate in particular to a kind of information synchronous data transmission method and system.
Background technology
Fast development along with the communication technology, the wireless communication system emerging in an endless stream provides heterogeneous network environment for user, comprise Wireless Personal Network (as bluetooth Bluetooth), WLAN (wireless local area network) (as WiFi), wireless MAN (as WiMAX), public mobile network (as 2G, 3G), satellite network, and Ad Hoc network, wireless sensor network etc.
Heterogeneous network connection refers to that the IP by different radio access network connects, and the data between terminal and server are transmitted by the IP agreement based on different radio access network, and both carry out addressing by IP address.
As shown in Figure 1, existing mobile information synchronous mechanism is main considers that mobile terminal carries out synchronizeing of information by a link L1 with server zone (or cloud computing system).Along with heterogeneous network converged becomes the inexorable trend that next generation network develops, the method of synchronization of the mobile message single-link of being also no longer confined to over connects, and there is larger difference in message transmission rate while connecting various link of mobile terminal, Costco Wholesale, reliability etc., therefore how to guarantee under the prerequisite of mobile information synchronous, improve as much as possible the efficiency of transmission of data, reduce transmission cost, extremely important to user.
Summary of the invention
The embodiment of the present invention provides a kind of information synchronous data transmission method, by heterogeneous network, is connected and is realized mobile information synchronous, and data transmission efficiency is high, and transmission cost is low.
The embodiment of the present invention is achieved in that a kind of information synchronous data transmission method, said method comprising the steps of:
The information synchronization request that mobile terminal receive is initiated by primary link, includes major and minor link information in described information synchronization request;
According to the information synchrodata of described major and minor link information, link condition and required transmission, judge whether to adopt information synchrodata described in major and minor link transmission;
When described in judgement adopts major and minor link transmission during information synchrodata, described information synchrodata is cut apart, utilize selected major and minor link that the information synchrodata after cutting apart is sent to mobile terminal.
The embodiment of the present invention also provides a kind of information synchronous data transmission device, and described device comprises:
Information synchronization request receiving element, the information synchronization request of initiating by primary link for mobile terminal receive, includes major and minor link information in described information synchronization request;
Major-minor link transmission judging unit, for according to the information synchrodata of described major and minor link information, link condition and required transmission, judges whether to adopt information synchrodata described in major and minor link transmission; And
Major-minor link data transmission unit, for when described in the major and minor link transmission of described major-minor link transmission judging unit judgement employing during information synchrodata, described information synchrodata is cut apart, utilized selected major and minor link that the information synchrodata after cutting apart is sent to mobile terminal.
The embodiment of the present invention also provides a kind of communication server, and the described communication server comprises above-mentioned information synchronous transmission device.
The embodiment of the present invention also provides a kind of information synchronous data transmission method simultaneously, said method comprising the steps of:
By primary link, to server, initiate information synchronization request, in described information synchronization request, include major and minor link information;
The feedback information of the major and minor link transmission of employing that reception server sends, includes the indication that adopts major and minor link transmission in described feedback information, and the identification information of raw data packets;
According to described feedback information, to server, send major and minor link transmission confirmation, and major and minor link is entered to wait accepting state simultaneously, in described confirmation, include and adopt the indication of major and minor link transmission, the identification information of raw data packets, and the indication of waiting for data receiver;
Reception server is by the information synchrodata of major and minor link transmission, and server cut apart to the packet splicing of transmission after total data is transmitted.
The embodiment of the present invention also provides a kind of information synchronous data transmission device, and described device comprises:
Information synchronization request is initiated unit, for initiating information synchronization request by primary link to server, in described information synchronization request, includes major and minor link information;
Feedback information receiving element, the feedback information of the major and minor link transmission of employing sending for reception server, includes the indication that adopts major and minor link transmission in described feedback information, and the identification information of raw data packets;
Confirmation transmitting element, be used for according to described feedback information, to server, send major and minor link transmission confirmation, and major and minor link is entered to wait accepting state simultaneously, in described confirmation, include and adopt the indication of major and minor link transmission, the identification information of raw data packets, and the indication of waiting for data receiver; And
Information synchrodata receiving element by the information synchrodata of major and minor link transmission, and is cut apart server the packet splicing of transmission for reception server after total data is transmitted.
The embodiment of the present invention also provides a kind of mobile terminal, and described mobile terminal comprises above-mentioned information synchronous data transmission device.
The embodiment of the present invention also provides a kind of mobile communication system, and described mobile communication system comprises the above-mentioned communication server.
The embodiment of the present invention also provides a kind of mobile communication system, and described mobile communication system comprises above-mentioned mobile terminal.
The embodiment of the present invention is according to the situation of information synchrodata waiting for transmission and connecting link, adopt major and minor link to realize the transmission of the information synchrodata between mobile terminal and server, can utilize to a greater degree available resources, the efficiency of transmission that improves data, reduces transmission cost effectively.
Accompanying drawing explanation
Fig. 1 is the mobile information synchronous environment schematic diagram that prior art provides;
Fig. 2 is the schematic diagram of the mobile information synchronous environment that provides of the embodiment of the present invention;
Fig. 3 is the information synchronous data transmission method realization flow figure that the embodiment of the present invention provides;
Fig. 4 be the embodiment of the present invention provide information synchronous data transmission time, the realization flow figure of server end;
Fig. 5 is the structure chart of the server information synchronous data transmission device that provides of the embodiment of the present invention;
Fig. 6 is the structure chart of the mobile terminal message synchronization data transmission device that provides of the embodiment of the present invention.
Embodiment
The network linking situation that the embodiment of the present invention is supported according to the data volume of required transmission and mobile terminal itself, by the information synchrodata between the major and minor link transmission mobile terminal of major-minor and server, can make full use of Internet resources, improve data transmission efficiency, reduce transmission cost.
As shown in Figure 2, between mobile terminal and server, can pass through many isomery links, for example link L1, that link L2 carries out information is synchronous.
In embodiments of the present invention, when mobile terminal is synchronizeed with the server information of carrying out, heterogeneous network is connected and is divided into primary link and secondary link, major and minor link carries out while cooperative transmission, to improve the efficiency of transmission of data, reduces transmission cost.
Wherein, primary link transmission significant data, information such as authentication, encryption, session control, other low priority datas of secondary link transmission.
Fig. 3 is the realization flow of the information synchronous data transmission method that provides of the embodiment of the present invention, and details are as follows:
1. mobile terminal is initiated the request of information synchronous service by primary link chain road direction server;
In embodiments of the present invention, in the request of information synchronous service, carry the major and minor link information of mobile terminal, for example network linking sign.
2. the information synchronization request that server mobile terminal receive is initiated by primary link, according to the information synchrodata of major and minor link information, link condition and required transmission, judges whether to adopt major and minor link transmission information synchrodata;
In embodiments of the present invention, first server judges that whether major and minor link information is effective, when the major and minor link information of judgement is effective, judge whether to exist two or more links, then when judgement exists two or more links, then judge whether to adopt major and minor link transmission information synchrodata according to the information synchrodata of required transmission.
As one embodiment of the present of invention, whether server needs to adopt the major and minor link of major-minor link to carry out transfer of data according to threshold data amount and type of service.
Wherein, the threshold data amount of of referring to that server sets of threshold data amount and the data volume contrast of the required transmission of terminal institute's requested service, when the data volume of required transmission surpasses this threshold data amount, considers that the major and minor link of use carries out transfer of data.
Type of service is mainly divided according to required synchronous information type, such as synchronous information, be that document, address list etc. generally do not allow to occur wrong Word message in transmitting procedure, because secondary link is unstable, do not adopt major and minor link cooperative transmission, if synchronous information be video, audio frequency etc. in transmitting procedure to the less demanding information of error rate, can adopt major and minor link cooperative transmission.
As a preferred embodiment of the present invention, first server judges whether the data volume of the information synchrodata of required transmission surpasses threshold data amount, when the data volume that judges the information synchrodata of required transmission surpasses threshold data amount, then judge according to type of service whether the information synchrodata of required transmission adopts major and minor link transmission.
Disposition after server judgement is as follows:
A. when server judgement does not need or can not carry out major and minor link transmission information synchrodata, the primary link of directly initiating information synchronization request by mobile terminal carries out transmission information synchrodata.
This situation comprises:
Between mobile terminal and server, only there is a connecting link;
The data volume of the information synchrodata of required transmission does not surpass the threshold data amount arranging;
The threshold data amount that the data volume of the information synchrodata of required transmission surpass to arrange, but type of service is not suitable for adopting major and minor link transmission, such as the information synchrodata of the required transmission important information such as be address list.
B. when server judgement needs major and minor link transmission information synchrodata, server is cut apart information synchrodata waiting for transmission, utilizes selected major and minor link that the information synchrodata after cutting apart is sent to mobile terminal.
In embodiments of the present invention, server is divided into the information synchrodata of required transmission the primary link packet that adopts primary link transmission, and the secondary link data bag that adopts secondary link transmission.
The data after assurance is cut apart in embodiments of the present invention, can adopt any partitioning scheme to cut apart, as long as can be recombinated at receiving terminal.
But as a preferred embodiment of the present invention, can be according to the type of information synchrodata, data significance level, and transmit required safe coefficient information synchrodata is cut apart.
As adopting the higher link of fail safe in link, data (as relevant data such as authentication, encryption, session control) more importantly transmit, and for example user's private data need to adopt the higher link of fail safe in link to transmit, and video content data adopts the lower link of price in link to transmit during transmission of video for another example.
When primary link packet is cut apart, according to the size threshold value of primary link subdata bag, primary link packet is divided into a plurality of primary link subdata bags, the packet header of primary link subdata bag all carries the identification information of this primary link packet.
When secondary link data bag is cut apart, according to the size threshold value of secondary link subdata bag, secondary link data bag is divided into a plurality of secondary link subdata bags, the packet header of secondary link subdata bag all carries the identification information of this pair link data bag, and this pair link subdata wraps in the position sequence number of secondary link data bag.
For example, mobile terminal is initiated video information synchronous service to server, needs the video information of transmission to generally comprise control information and data message, controls information and date unpack while carrying out Data Segmentation.Wherein, control information is divided into some packets according to the size threshold value m of subdata bag, by primary link, transmits; Data message is divided into some packets according to threshold value n, by secondary link transmission.The packet header of the subdata bag after cutting apart all carries the identification information of raw data packets, for example ID is 10001, and secondary link subdata bag also carries position sequence number separately, wraps in the position of raw data packets to identify subdata, since 0, so that mobile terminal carries out the merging of data.
In embodiments of the present invention, the situation that need to adopt major and minor link transmission information synchrodata is that the data volume of the information synchrodata of required transmission surpasses threshold data amount, and type of service allows major and minor link transmission.
3. server judgement adopts after major and minor link transmission, and the feedback information that comprises judged result is sent to mobile terminal.
In embodiments of the present invention, feedback information comprises the indication that whether adopts major and minor link transmission, and the identification information of raw data packets etc., for example above-mentioned video information synchronous in, the feedback information that server sends is: adopt major and minor link transmission, the ID of raw data packets is 10001.
4. the feedback information of the major and minor link transmission of employing that mobile terminal reception server sends, sends major and minor link transmission confirmation according to the content of feedback information to server, and waits for reception;
A. when not needing major and minor link transmission information synchrodata, primary link is entered to wait accepting state, the confirmation sending to server is: do not adopt major and minor link, state is for waiting for data receiver.
B. when the major and minor link transmission information of needs synchrodata, to server, send major and minor link transmission confirmation, major and minor link is entered to wait accepting state simultaneously.In confirmation, include and adopt the indication of major and minor link transmission, the identification information of raw data packets, and the indication of waiting for data receiver.
For example above-mentioned video information synchronous in, after mobile terminal receiving feedback information, the confirmation sending to server is: adopt major and minor link transmission, raw data packets ID is 10001, state is for waiting for data receiver.
5. the confirmation that server mobile terminal receive returns, contrasts with the feedback information sending in step 3, and confirmation is errorless, and mobile terminal is in waiting for data receiving state.
6. server starts the transmission of business datum according to the packet after cutting apart in step 2 by different links, during secondary link transmission data, and the subsequence number of the subdata bag of definition in server real-time update recording step 2.
7. mobile terminal receives data;
After total data is transmitted, mobile terminal utilizes the header packet information of subdata bag to carry out packet splicing, to treat post-processed.
8. mobile terminal feedback data receives information to server:
A. when not adopting major and minor link transmission information synchrodata, mobile terminal can send authorization information to server after total data is transmitted, and authorization information comprises data check information, packet raw information etc., and it is complete that state changes to data receiver.
B. when adopting major and minor link transmission information synchrodata, mobile terminal receives corresponding data bag by different links, and sends and feed back to server to confirm secondary link normal transmission data on time.
In embodiments of the present invention, when by major and minor link transmission information synchrodata, every time T, to server, send packet confirmation of receipt information, in described packet confirmation of receipt information, include the maximum subdata package location sequence number of raw data packets sign, up-to-date reception, and represent the information in data receiving state.
After total data is transmitted, mobile terminal also will send confirmation to server end, confirmation raw data packets sign now, check information, and represent the complete state information of data receiver.
In embodiments of the present invention, server is monitored in real time secondary link in information synchronous data transmission process, when monitoring secondary link generation interruption, the data exchange transmitting is transmitted to the data that the crossing of laying equal stress on is had no progeny on secondary link to primary link.
When monitor secondary link-recovery normal after, the data exchange that is switched to primary link transmission is returned to secondary link transmission.
In embodiments of the present invention, in information synchronous data transmission process, timer of Servers installed, when secondary link starts to transmit after data, timer starts regularly, and after server receives the confirmation information, timer restarts regularly.
When there is following situation, server can be judged to be secondary link down:
1. when surpassing the regular hour, fail to receive the confirmation that mobile terminal sends;
2. the subdata packet number in double confirmation of receipt information is identical.
After secondary link down, server, according to the maximum subsequence number of mobile terminal feedback, retransmits the data that terminal fails to receive on primary link.
The per interval t of server will send test packet to mobile terminal on secondary link, mobile terminal is after receiving continuously three test packets, can be judged as secondary link-recovery work stable, to server, send secondary link-recovery information, secondary link-recovery information comprises: the ID of the raw data packets of the packet transmitting, the sequence number of the maximum subdata bag having received.Server receives after secondary link-recovery information, and control link is switched.
Fig. 4 be the embodiment of the present invention provide information synchronous data transmission time, the realization flow of server end, details are as follows:
In step S401, the information synchronous service request that mobile terminal receive is initiated;
In step S402, judge that whether network linking is effective, if invalid, perform step S403, if effectively perform step S404;
In step S403, feed back to mobile terminal, it is invalid to ask;
In step S404, judge whether to exist two or more links, be to perform step S405, otherwise execution step S406;
In step S405, judge whether to need major and minor link to carry out transfer of data, be to perform step S407, otherwise execution step S406;
In step S406, selected primary link connects transmission data;
In step S407, carve information synchrodata, and select respectively major and minor link according to Link State;
In step S408, send major and minor link transmission judged result to mobile terminal;
In step S409, mobile terminal receive confirmation, by major and minor chain road direction mobile terminal transmission information synchrodata;
In step S410, whether judgement transmission completes, and is to finish, otherwise execution step S411;
In step S411, judge whether secondary link interrupts, be to perform step S412, otherwise execution step S410;
In step S412, information synchrodata switches to primary link transmission.
Fig. 5 shows the structure of the server information synchronous data transmission device that the embodiment of the present invention provides, and for convenience of explanation, only shows the part relevant to the embodiment of the present invention.
This server information synchronous data transmission device can be widely used in the communication server in mobile communication system.
The information synchronization request that information synchronization request receiving element 51 mobile terminal receives are initiated by primary link, includes major and minor link information in information synchronization request.
Major-minor link transmission judging unit 52, according to the information synchrodata of described major and minor link information, link condition and required transmission, judges whether to adopt major and minor link transmission information synchrodata.
In embodiments of the present invention, link information validity judge module 521 judges that whether major and minor link information is effective.
After the major and minor link information of link information validity judge module 521 judgement is effective, number of links judge module 522 judges whether to exist two or more links.
When above-mentioned number of links judge module 522 judgements exist two or more links, major-minor link transmission judge module 523 judges whether to adopt major and minor link transmission information synchrodata according to the information synchrodata of required transmission.
As one embodiment of the present of invention, whether server needs to adopt the major and minor link of major-minor link to carry out transfer of data according to threshold data amount and type of service.
Data volume determination component 5231 judges whether the data volume of the information synchrodata of required transmission surpasses threshold data amount.
Type of service determination component 5232, when the data volume of the information synchrodata of the required transmission of data volume determination component 5231 judgement surpasses threshold data amount, judges according to type of service whether the information synchrodata of required transmission adopts major and minor link transmission.
When 52 judgements of major-minor link transmission judging unit adopt major and minor link transmission data, major-minor link data transmission unit 53 is cut apart information synchrodata waiting for transmission, utilizes selected major and minor link that the information synchrodata after cutting apart is sent to mobile terminal.
As one embodiment of the present of invention, major-minor link data transmission unit 52 is according to the type of information synchrodata, data significance level, and transmits required safe coefficient information synchrodata is cut apart.
In embodiments of the present invention, data are divided module 531 and according to data type, the information synchrodata of required transmission are divided into the primary link packet that adopts primary link transmission, and the secondary link data bag that adopts secondary link transmission.
Primary link packet is cut apart module 532, according to the size threshold value of primary link subdata bag, primary link packet is divided into a plurality of primary link subdata bags, and the packet header of primary link subdata bag all carries the identification information of primary link packet.
Secondary link data bag is cut apart module 533, according to the size threshold value of secondary link subdata bag, secondary link data bag is divided into a plurality of secondary link subdata bags, the packet header of secondary link subdata bag all carries the identification information of secondary link data bag, and this pair link subdata wraps in the position sequence number of secondary link data bag.
As a preferred embodiment of the present invention, in synchronizing information data transmission procedure, the state of the secondary link of server monitoring, secondary primary link switch unit 54 is when monitoring secondary link generation interruption, the data exchange transmitting on secondary link is transmitted to the data that the crossing of laying equal stress on is had no progeny to primary link.Major-minor link switching unit 55 when monitor secondary link-recovery normal after, the data exchange that is switched to primary link transmission is returned to secondary link transmission.
As one embodiment of the present of invention, when meeting one of following situation, the primary link that adopts mobile terminal to initiate information synchronization request transmits the information synchrodata of required transmission:
Only there is a primary link; Or
The data volume of the information synchrodata of required transmission; Or
Type of service is not suitable for adopting major and minor link transmission.
Fig. 6 shows the structure of the mobile terminal message synchronization data transmission device that the embodiment of the present invention provides, and for convenience of explanation, only shows the part relevant to the embodiment of the present invention.
This mobile terminal message synchronization data transmission device can be widely used in the mobile terminal in mobile communication system.
Information synchronization request is initiated unit 61 and to server, is initiated information synchronization request by primary link, includes major and minor link information in information synchronization request.
The feedback information of the major and minor link transmission of employing that feedback information receiving element 62 reception servers send, includes the indication that adopts major and minor link transmission in feedback information, and the identification information of raw data packets.
As one embodiment of the present of invention, when not adopting major and minor link transmission data according to the feedback information of server, adopt single-link acknowledge unit 64, primary link is entered to wait accepting state, and return to primary link acknowledge information to server, primary link acknowledge information comprises the indication that does not adopt major and minor link transmission, and the state information that represents to wait for data receiver.
Information synchrodata receiving element 65 reception servers, by the information synchrodata of major and minor link transmission, after total data is transmitted, are cut apart server the packet splicing of transmission.
In embodiments of the present invention, packet confirmation of receipt module 651 is every setting-up time, to server, send packet confirmation of receipt information, in packet confirmation of receipt information, include the maximum subdata package location sequence number of raw data packets sign, up-to-date reception, and represent the information in data receiving state.
After total data is transmitted, transfer of data completes confirmation unit 66 and completes confirmation to server transmission transfer of data, and transfer of data completes confirmation and comprises raw data packets sign, check information, and represents the complete state information of data receiver.
The embodiment of the present invention is according to the situation of information synchrodata waiting for transmission and connecting link, adopt major and minor link to realize the transmission of the information synchrodata between mobile terminal and server, can utilize to a greater degree available resources, the efficiency of transmission that improves data, reduces transmission cost effectively.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (28)
1. an information synchronous data transmission method, is characterized in that, said method comprising the steps of:
The information synchronization request that mobile terminal receive is initiated by primary link, includes major and minor link information in described information synchronization request;
According to the information synchrodata of described major and minor link information, link condition and required transmission, judge whether to adopt information synchrodata described in major and minor link transmission;
When described in judgement adopts major and minor link transmission during information synchrodata, described information synchrodata is cut apart, utilize selected major and minor link that the information synchrodata after cutting apart is sent to mobile terminal.
2. the method for claim 1, is characterized in that, the described information synchrodata according to described major and minor link information, link condition and required transmission judges whether to adopt the step of information synchrodata described in major and minor link transmission to be specially:
Judge that whether described major and minor link information is effective;
When described major and minor link information is effective, judge whether to exist two or more links;
When there are two or more links, according to the information synchrodata of required transmission, judge whether to adopt transmission information synchrodata described in major and minor link.
3. method as claimed in claim 2, is characterized in that, the described information synchrodata according to required transmission judges whether to adopt the step of information synchrodata described in major and minor link transmission to be specially:
Whether the data volume that judges the information synchrodata of required transmission surpasses threshold data amount;
When the data volume of the information synchrodata of required transmission surpasses threshold data amount, according to type of service, judge whether the information synchrodata of required transmission adopts major and minor link transmission.
4. the method for claim 1, is characterized in that, the described step that described information synchrodata is cut apart is specially:
The information synchrodata of required transmission is divided into the primary link packet that adopts primary link transmission, and the secondary link data bag that adopts secondary link transmission;
According to the size threshold value of primary link subdata bag, described primary link packet is divided into a plurality of primary link subdata bags, the packet header of described primary link subdata bag all carries the identification information of described primary link packet;
According to the size threshold value of secondary link subdata bag, described secondary link data bag is divided into a plurality of secondary link subdata bags, the packet header of described secondary link subdata bag all carries the identification information of described secondary link data bag, and this pair link subdata wraps in the position sequence number of described secondary link data bag.
5. the method for claim 1, is characterized in that, in the step that described information synchrodata is cut apart, according to the type of described information synchrodata, data significance level, and transmits required safe coefficient described information synchrodata is cut apart.
6. the method for claim 1, is characterized in that, described method also comprises the steps:
When monitoring secondary link generation interruption, the data exchange transmitting is transmitted to the data that the crossing of laying equal stress on is had no progeny on secondary link to primary link.
7. method as claimed in claim 6, is characterized in that, described method also comprises the steps:
When monitor secondary link-recovery normal after, the data exchange that is switched to primary link transmission is returned to secondary link transmission.
8. the method as described in claim as arbitrary in claim 1 to 7, is characterized in that, when meeting one of following situation, the primary link that adopts mobile terminal to initiate information synchronization request transmits the information synchrodata of required transmission:
Only there is a primary link; Or
The data volume of the information synchrodata of required transmission is lower than the threshold data amount arranging; Or
Type of service is not suitable for adopting major and minor link transmission.
9. an information synchronous data transmission device, is characterized in that, described device comprises:
Information synchronization request receiving element, the information synchronization request of initiating by primary link for mobile terminal receive, includes major and minor link information in described information synchronization request;
Major-minor link transmission judging unit, for according to the information synchrodata of described major and minor link information, link condition and required transmission, judges whether to adopt information synchrodata described in major and minor link transmission; And
Major-minor link data transmission unit, for when described in the major and minor link transmission of described major-minor link transmission judging unit judgement employing during information synchrodata, described information synchrodata is cut apart, utilized selected major and minor link that the information synchrodata after cutting apart is sent to mobile terminal.
10. device as claimed in claim 9, is characterized in that, described major-minor link transmission judging unit comprises:
Link information validity judge module, whether effective for judging described major and minor link information;
Number of links judge module, for when described major and minor link information is effective, judges whether to exist two or more links; And
Major-minor link transmission judge module, for when there are two or more links, judges whether to adopt major and minor link transmission information synchrodata according to the information synchrodata of required transmission.
11. devices as claimed in claim 10, is characterized in that, described major-minor link transmission judge module comprises:
Data volume determination component, for judging whether the data volume of the information synchrodata of required transmission surpasses threshold data amount; And
Type of service determination component, when judging that in described data volume determination component the data volume of the information synchrodata of required transmission surpasses threshold data amount, judges according to type of service whether the information synchrodata of required transmission adopts major and minor link transmission.
12. devices as claimed in claim 9, is characterized in that, described major-minor link data transmission unit comprises:
Data are divided module, for the information synchrodata of required transmission being divided into the primary link packet that adopts primary link transmission, and the secondary link data bag that adopts secondary link transmission;
Primary link packet is cut apart module, and for described primary link packet being divided into a plurality of primary link subdata bags according to the size threshold value of primary link subdata bag, the packet header of described primary link subdata bag all carries the identification information of described primary link packet; And
Secondary link data bag is cut apart module, for described secondary link data bag being divided into a plurality of secondary link subdata bags according to the size threshold value of secondary link subdata bag, the packet header of described secondary link subdata bag all carries the identification information of described secondary link data bag, and this pair link subdata wraps in the position sequence number of described secondary link data bag.
13. devices as claimed in claim 9, is characterized in that, described major-minor link data transmission unit is according to the type of described information synchrodata, data significance level, and transmit required safe coefficient described information synchrodata is cut apart.
14. devices as claimed in claim 9, is characterized in that, described device also comprises:
Secondary primary link switch unit, for when monitoring secondary link generation interruption, transmits the data exchange transmitting on secondary link the data that the crossing of laying equal stress on is had no progeny to primary link.
15. devices as claimed in claim 14, is characterized in that, described device also comprises:
Major-minor link switching unit, for when monitor secondary link-recovery normal after, the data exchange that is switched to primary link transmission is returned to secondary link transmission.
Device as described in 16. claims as arbitrary in claim 9 to 15, is characterized in that, when meeting one of following situation, the primary link that adopts mobile terminal to initiate information synchronization request transmits the information synchrodata of required transmission:
Only there is a primary link; Or
The data volume of the information synchrodata of required transmission is lower than the threshold data amount arranging; Or
Type of service is not suitable for adopting major and minor link transmission.
17. 1 kinds of communication servers, is characterized in that, the described communication server comprises information synchronous transmission device claimed in claim 9.
18. 1 kinds of information synchronous data transmission methods, is characterized in that, said method comprising the steps of:
By primary link, to server, initiate information synchronization request, in described information synchronization request, include major and minor link information;
The feedback information of the major and minor link transmission of employing that reception server sends, includes the indication that adopts major and minor link transmission in described feedback information, and the identification information of raw data packets;
According to described feedback information, to server, send major and minor link transmission confirmation, and major and minor link is entered to wait accepting state simultaneously, in described confirmation, include and adopt the indication of major and minor link transmission, the identification information of raw data packets, and the indication of waiting for data receiver;
Reception server is by the information synchrodata of major and minor link transmission, and server cut apart to the packet splicing of transmission after total data is transmitted.
19. methods as claimed in claim 18, is characterized in that, described reception server is specially by the step of the information synchrodata of major and minor link transmission:
Every setting-up time, to server, send packet confirmation of receipt information, in described packet confirmation of receipt information, include the maximum subdata package location sequence number of raw data packets sign, up-to-date reception, and represent the information in data receiving state.
20. methods as claimed in claim 18, is characterized in that, described method also comprises the steps:
After total data is transmitted, to server, send transfer of data and complete confirmation, described transfer of data completes confirmation and comprises raw data packets sign, check information, and represents the complete state information of data receiver.
21. methods as claimed in claim 18, is characterized in that, when not adopting major and minor link transmission data according to the feedback information of server, described method further comprises the steps:
Primary link is entered to wait accepting state, to server, return to primary link acknowledge information, described primary link acknowledge information comprises the indication that does not adopt major and minor link transmission, and the state information that represents to wait for data receiver.
22. 1 kinds of information synchronous data transmission devices, is characterized in that, described device comprises:
Information synchronization request is initiated unit, for initiating information synchronization request by primary link to server, in described information synchronization request, includes major and minor link information;
Feedback information receiving element, the feedback information of the major and minor link transmission of employing sending for reception server, includes the indication that adopts major and minor link transmission in described feedback information, and the identification information of raw data packets;
Confirmation transmitting element, be used for according to described feedback information, to server, send major and minor link transmission confirmation, and major and minor link is entered to wait accepting state simultaneously, in described confirmation, include and adopt the indication of major and minor link transmission, the identification information of raw data packets, and the indication of waiting for data receiver; And
Information synchrodata receiving element by the information synchrodata of major and minor link transmission, and is cut apart server the packet splicing of transmission for reception server after total data is transmitted.
23. devices as claimed in claim 22, is characterized in that, described information synchrodata receiving element comprises:
Packet confirmation of receipt module, be used for every setting-up time, to server, send packet confirmation of receipt information, in described packet confirmation of receipt information, include the maximum subdata package location sequence number of raw data packets sign, up-to-date reception, and represent the information in data receiving state.
24. devices as claimed in claim 22, is characterized in that, described device also comprises:
Transfer of data completes confirmation unit, for after total data is transmitted, to server, send transfer of data and complete confirmation, described transfer of data completes confirmation and comprises raw data packets sign, check information, and represents the complete state information of data receiver.
25. devices as claimed in claim 22, is characterized in that, described device also comprises:
Single-link acknowledge unit, for when not adopting major and minor link transmission data according to the feedback information of server, primary link is entered to wait accepting state, to server, return to primary link acknowledge information, described primary link acknowledge information comprises the indication that does not adopt major and minor link transmission, and the state information that represents to wait for data receiver.
26. 1 kinds of mobile terminals, is characterized in that, described mobile terminal comprises the information synchronous data transmission device described in the arbitrary claim of claim 22 to 25.
27. 1 kinds of mobile communication system, is characterized in that, described mobile communication system comprises the communication server described in claim 17.
28. 1 kinds of mobile communication system, is characterized in that, described mobile communication system comprises the mobile terminal described in claim 26.
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