CN101304360A - System and method for virtualization of user digital terminal - Google Patents
System and method for virtualization of user digital terminal Download PDFInfo
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- CN101304360A CN101304360A CNA2007100977774A CN200710097777A CN101304360A CN 101304360 A CN101304360 A CN 101304360A CN A2007100977774 A CNA2007100977774 A CN A2007100977774A CN 200710097777 A CN200710097777 A CN 200710097777A CN 101304360 A CN101304360 A CN 101304360A
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Abstract
The invention discloses a system of a virtual user digital terminal and a method thereof, which maps part or all of file system information of various user digital terminals to a kernel server of internet for centralized storage and management, thereby providing a unified interface used for terminal file system management and file access operation for internet application programs and realizing the virtualization of a user terminal file system. An in-band access mode can transform the access of the terminal file data from synchronous operation to asynchronous operation and reduce the dependence on terminal online and communication bandwidth; an out-band access mode separates the access of the terminal file data from the kernel server of a virtual file system, so the optimal file access performance is achieved and the demands of processing capacity of the kernel server and the bandwidth are reduced. By the two access modes, the system of the virtual digital terminal has much availability.
Description
Technical field
The present invention relates to the consumer-electronics applications field, a kind of System and method for of virtualization of user digital terminal is provided.Specifically, providing a kind of obtains and online storage and the multiple digital terminal filesystem information of leading subscriber, the shield terminal details makes internet application carry out file system management and file access operated system and method to the multiple digital terminal of user with online mode and unified interface.
Background technology
Along with development of electronic technology and people to amusement, the continuous growth of information requirement, various families and portable digital consumer electronics products continue to bring out, as digital camera, DPF, the mp3/mp4 player, smart mobile phone, in-vehicle navigation apparatus, family's storage, numeral DVD, ..., these digital products are when enriching people's life, also brought worry to the user, how between different equipment, to transmit content? how to make these equipment and internet interactive, to download easily and to share? operate as how consistent mode, content on the management various device?
Reality way one: digital equipment is connected on the PC by USB connecting line, bluetooth approach, perhaps for the digital equipment that self has networked capabilities, it is added in the local network (local area network (LAN)), find this equipment by mechanism such as UPnP from PC, thereby the memory space of these equipment is mapped in the file system of PC (usually as a disk unit), again these contents are managed or be intermediary, carrying out content and transmit and share between the distinct device with between the Internet with the PC.
Reality way two: have between the digital equipment of networked capabilities, find mutually, and directly carrying out file and transmit by mechanism such as bluetooth, UPnP.
Reality way three:,, the content on the Internet can be pushed on the mobile phone by means such as note, multimedia message, WapPush for cell phone apparatus; PIM information or file on the mobile phone can be transmitted/be synchronized in the Internet Server by multimedia message, SyncML.
For way one and way two, its defective is: 1) must be under local network context, or the connection of wire/wireless, thereby can't operate remote equipment, for example the equipment family, the vehicle is managed, perhaps in the content that does not have to manage by PC under the situation of connecting line digital equipment from office; 2) miniaturization of digital terminal or customizations make that its managerial ability that provides is very limited, and the user can only carry out some shirtsleeve operations on digital terminal usually; The variation of digital equipment makes the mode of manipulating of each digital terminal have nothing in common with each other again simultaneously; 3) must be by the intermediary of PC, just can obtain or transmit content, and digital terminal can not be connected (no matter wired or wireless) on the PC constantly to the Internet; 4) even digital terminal has networked capabilities, be private net address owing to what in local network context, obtain usually, be difficult to be visited by the internet, applications direct-on-line.
For way three, be mainly used in the cell phone type mobile communication equipment, wherein note, multimedia message carrying content is limited in one's ability, the SyncML technology then is to be synchronized to file data itself and bibliographic structure on the server together, expense is big, thereby is applied in the data volume smaller applications such as personal information management.
Also there are not at present system or device on a kind of the Internet, can provide consistent, online addressable interface for internet application, make internet application carry out file system management and accessing operation to the multiple digital terminal of user by this interface, thereby the user is managed the file/content in the multiple digital terminal equipment by internet application easily, and between the Internet and the multiple terminal of user, carry out interaction, share.
Summary of the invention
The invention provides a kind of System and method for of virtualization of user digital terminal, be intended to address the above problem, the structure of described device as shown in Figure 1, form by Core server and terminal agent apparatus, wherein Core server is on the internet resident, insert user's multiple digital terminal, obtain and concentrate the filesystem information and the terminal could access information of online storage, office terminal, accept and handle management and the file access request of internet application to the terminal document system, access terminal agent apparatus when needed; The terminal agent apparatus, reside in the number terminal equipment or as the outside appurtenances of terminal equipment, pass through internet communication with core system, with endpoint registration, be linked into Core server, carry out the file system management request and the file access request of Core server, synchronization file system information between Core server and terminal.
First purpose of the present invention has shielded user multiple digital terminal details, unified file system management and file access service for internet application provides, and specific practice is:
1) the terminal agent apparatus by the broadband, move, wireless access way with user terminal by internet registry, be linked into Core server;
2) user is mapped to the part or all of filesystem information on this terminal the online metadatabase of Core server;
3) synchronous above-mentioned terminal document system information of shining upon between Core server and the terminal agent apparatus, Core server manages the terminal document system information of online preservation;
4) Core server is also preserved the accessibility information with managing user terminal, comprises terminal presence, IP address, port numbers, access daily record etc.;
5) set up bi-directional communication mechanism between Core server and the terminal agent apparatus, transmit management, control information and file data;
6) Core server based on to the online management of terminal document system and with the terminal agent apparatus between communicate by letter, service interface is provided on the internet, internet application is realized management and accessing operation to the user terminal file system by to the calling of service interface;
7) to the management and the file access operation of file system on the terminal, the hard core control device is carried out by other functional part that the terminal agent apparatus calls on this terminal to terminal agent apparatus transmit operation instruction.
Second purpose of the present invention is under the situation of needs, and by being with interior access mode, internet application is asynchronous from being converted to synchronously to the management and the file access operation of terminal document system, and specific practice is:
1) internet application will write request to the management of terminal document system and file and submit to Core server;
2) Core server receives request, after verifying that this request meets authority, obtain data necessary (as file data to be written) from internet application, the request that promptly be considered as internet application this moment is accepted, returns request to internet application and has been accepted indication;
3) Core server is worked in coordination with the actual execution of terminal agent apparatus internet application institute requested operation according to the user's online state, and further returns reports on the implementation to internet application;
4) in a single day internet application receives that the request of Core server is accepted indication, can carry out other work, and needn't wait for that this request is performed.
The 3rd purpose of the present invention is under the situation of needs, by the out-of-band access mode, sets up direct data access passage between user terminal and internet application, and to improve data access efficiency, specific practice is:
1) internet application will be submitted to Core server to the file access request of terminal;
2) Core server receives request, after verifying that this request meets authority, if this terminal is current online, according to the terminal could access information that is write down, generation can be from the access path of the Internet direct access terminal document, return to internet application, this access path comprises necessary authorization information;
3) Core server sends visitor's identifying information and authorization information to the terminal agent apparatus when needed;
4) internet application after terminal is verified its visit, can directly carry out file access according to the direct access terminal of access path.
The System and method for of virtualization of user digital terminal of the present invention, by filesystem information and the terminal could access information of obtaining the multiple digital terminal of user, it is concentrated online storage and management, be formed on the line element database, make the visit to file metadata separate with access, reach virtual terminal document system, support internet application purpose file metadata and file data online access to file data with management; Access mode can be converted to asynchronous operation to the access of terminal document data from simultaneous operation with internet application in the band simultaneously, reduction is online to terminal, the dependence of communication bandwidth, promote user experience, and reduce the complexity of the inside realization of internet application; And the out-of-band access mode can be separated to the access of terminal document data internet application from the Core server of NFS, both reached best file access performance, reduced the demand to Core server disposal ability and bandwidth again, two kinds of access modes make described virtual terminal document system and device have more availability.
Description of drawings
Accompanying drawing 1: the overall construction drawing that the invention provides a kind of system of virtualization of user digital terminal;
Accompanying drawing 2: the building-block of logic of an exemplary embodiments of the present invention;
Accompanying drawing 3: user terminal is registered to the process of Core server;
Accompanying drawing 4: user terminal is linked into the process of Core server;
Accompanying drawing 5: the process of file system management operation;
Accompanying drawing 6: access mode execution sequence in the band;
Accompanying drawing 7: out-of-band access mode execution sequence;
Accompanying drawing 8: the process of file access mode in the band of exemplary embodiments;
Accompanying drawing 9: the process of the outer file access mode of the band of exemplary embodiments;
Accompanying drawing 10: the building-block of logic of a preferred embodiment of the invention;
Specific implementation method
Embodiment 1: exemplary embodiment of the present invention as shown in Figure 2.
In the present embodiment, system comprises Core server 10 and terminal agent apparatus 20 two parts, wherein in the Core server 10 resident server systems on the internet, insert user's multiple digital terminal, obtain and concentrate the metadata information of online storage, office terminal; Accept and handle management and the file access request of internet application to the terminal document system; 20 of terminal agent apparatus reside in the number terminal equipment, or as the outside appurtenances of terminal equipment, insert the Internet by mobile, broadband, Radio Access Network, setting up two-way communication with Core server 10 is connected, transmit managing control information and file data, carry out the file system management request and the file access request of Core server 10, synchronization file system information between Core server 10 and terminal.
Internet application can be that file management application in the station that runs directly on the application server cluster 30, content revealing are used, shared and release management application etc., also can be outer application the in station more widely, as blog, community etc. by internet, applications gateway 40 accesses virtual number terminal document systems.
The metadata information of online metadatabase 106 centralized stores, the multiple digital terminal of leading subscriber, these information comprise (but being not limited to):
The file system relevant information:
1) corresponding to the standard file system information of each terminal:
-bibliographic structure information;
-file attribute information: comprise filename, file size, document creation and modification time, file type etc.;
2) access path of directories/files and state information:
-access path, the mapping correspondence table of directories/files and digital terminal, wherein directories/files can be the subclass of terminal document system;
-synchronous regime, the synchronous regime of pairing terminal directories/files information;
3) authorization message of directories/files operation comprises standard file system authorities such as establishment, tabulation, reading and writing, modification, deletion to the operating right of directories/files, and these authorities can be awarded some specific internet application; Authorization message is meant the operating right of directories/files and has the right to carry out the correspondence table of the internet application of corresponding operating, is called file/directory access control tabulation;
4) the file system stored information of each terminal:
-memory capacity reaches the situation that taken;
-directory number, number of files;
Terminal related information:
1) terminal identification information;
2) terminal accessing authentication information and access daily record;
3) the accessibility information of terminal is included in line states, IP address, port numbers;
Preferably, online metadatabase 106 is also answered the following extend information of administrative directory/file:
1), comprises the label, theme, description of file etc. with the irrelevant contents attribute of file type;
2) contents attribute relevant with file type, the resolution of picture file (size) information for example, the school of music file, artist, bit rate information etc.;
3) extendible other attribute information of user can be used for by user custom or the mode liked file being organized, classify, being identified;
Preferably, online metadatabase 106 also should write down the communication bandwidth information of the current access of terminal the Internet.
1) file-management services, directories/files on the Any Digit terminal is carried out the service of file system management operation, these operations comprise directory listing, the checking, revise of directories/files attribute, the establishment of directories/files, deletion, directories/files in a certain terminal or cross over different terminals copy, move etc.;
2) document retrieval service, according to one or more file attribute keywords, execute file search operaqtion in the file system space of a certain terminal or all terminals;
3) access control of directories/files is provided with specific application servers or the internet, applications access rights to the directories/files on the digital terminal.
Preferably, document management module 103 also provides content relevant retrieval service, support self-defined relevant with file type or irrelevant contents attribute, and, retrieve, filter out qualified content file by under given file access path, specifying one or more contents attributes; Also support bookkeeping such as interpolation, modification, deletion simultaneously to the definition contents attribute.
1) according to the current presence of terminal, access behavior, communication bandwidth, generate the access strategy that the Internet carries out file access to terminal, access strategy has in the band two kinds of visits and out-of-band access;
2) generating can be by the out-of-band access path of internet application direct access terminal document;
3) for the out-of-band access mode, the authorization information when generating internet application direct access terminal document data when needed is to guarantee the legitimacy of visit.
Directories/files in the online metadatabase 106 of Core server 10 can be the subclass of terminal document system, and simultaneously online metadatabase 106 should keep synchronous with the counterpart of terminal document system.Mapping and synchronization module 104 are promptly shone upon between online metadatabase and user terminal file system with synchronously; Comprise:
1) file system mapping management reads the full file system information of each digital terminal, with partly or entirely being mapped in the online metadatabase 106 wherein;
2) filesystem information is synchronous, after terminal is linked into Core server 10, finishes the synchronous of terminal document system and online metadatabase 106 with terminal agent apparatus 20 is collaborative;
The process that user terminal is registered to Core server 10 as shown in Figure 3, its step comprises:
1) terminal agent apparatus 20 is connected through the internet to the Core server 10 that service is provided for this terminal;
2) transmit certain information that both sides share between the termination management module 105 of terminal agent apparatus 20 and Core server 10 and confirm, the ID that the sign ID that this shared information can be terminal, Core server 10 distribute for this user, the identifying code by the mobile phone transmission etc. for the other side;
3) in case, set up necessary access authentication mechanism between the termination management module 105 of terminal agent apparatus 20 and Core server 10 by confirming;
4) termination management module 105 of terminal agent apparatus 20 and Core server 10 is preserved the other side's identifying information and access authentication information respectively;
5) between the online metadatabase 106 of terminal document system and Core server 10, set up mapping relations;
6) carry out first simultaneous operation, mapped filesystem information is sent to the online metadatabase 106 of Core server 10 from terminal.
Under the present embodiment, user terminal is linked into the process of Core server 10, can be initiated by terminal agent apparatus 20, also can be initiated by Core server 10, and as shown in Figure 4, its step comprises:
1) connects between terminal agent apparatus 20 and the Core server 10;
2) terminal agent apparatus 20 sends access authentication information to the termination management module 105 of Core server 10;
3) 105 pairs of above-mentioned information of termination management module are verified, as pass through, and then terminal are linked into Core server 10;
4) alternatively, termination management module 105 sends service authentication information to terminal agent apparatus 20, is verified by 20 pairs of Core servers 10 of terminal agent apparatus;
5) in access procedure or insert finish after, terminal agent apparatus 20 sends identifying informations to termination management module 105;
6) to identify this terminal be a registered legal terminal to termination management module 105, be changed to the state of this terminal online, fill in the access log information of this terminal, and accessibility information such as IP address that this terminal is current, port numbers records in the metadatabase 106;
7) termination management module 105 indicating terminal connectors start with terminal agent apparatus 20 between keep-alive communicate by letter and the current communication bandwidth of sense terminals agent apparatus 20;
8) terminal agent apparatus 20 has detected the change that the mapped part of local file system is taken place since inserting last time, and the synchronization request of initiation and Core server 10 mappings and synchronization module 104, after finishing synchronously, be updated in the sync id in the line element database 105.
9) Core server 10 detects the current on-unit that whether has, and comprises that file system management operation, file write, the file system mapping settings, and initiates to carry out request to terminal agent apparatus 20 successively.
After terminal is linked into core system 10, the request that is transmitted between terminator terminating junctor 107 and the terminal agent apparatus 20, can be＜the operational order sign indicating number, order parameter the control information of form, wherein the operational order sign indicating number is specified institute's requested operation kind, order parameter is the necessary parameter of requested operation for finishing, as file path etc.Institute's requested operation comprises:
1) mapping and simultaneous operation;
2) document manipulation comprises file system mapping settings, directory listing, directories/files attribute modification, and the establishment of directories/files, deletion, are moved etc. the copy of directories/files in same terminal;
3) file access operation comprises file access and the outer file access of band in the band.
Under the present embodiment, the process of file system management operation as shown in Figure 5, its step comprises:
1) application server cluster 30 or internet, applications gateway 40 are initiated the file system management request to system controller 101;
2) system controller 101 calls document management module 103 and carries out this request;
3) document management module 103 is checked the legitimacy of this operation;
4) as institute's requested operation be that directory listing, directories/files attribute are checked, inquiry generic operation such as file/content retrieval, directories/files authority are provided with, document management module 103 is directly handled based on online metadatabase 106;
5) upgrade generic operation as institute's requested operation for create, revise, delete, mobile etc., document management module 103 accesses meta-data storehouses 106 obtain the routing information of file pending on the terminal agent apparatus 20, initiate the file system management operation requests by terminator terminating junctor 107 to terminal agent apparatus 20 then, terminator terminating junctor 107 obtains terminal related information from metadatabase 106 after, communicate by letter with relevant terminal agent apparatus 20 according to this terminal related information, make terminal agent apparatus 20 carry out the corresponding file system management operation;
6) after terminal agent apparatus 20 was carried out and returned, document management module 103 was modified in the corresponding informance of line element database 106;
7) not online as terminal, temporary file system management operation then.
Internet application has visit and out-of-band access dual mode in the band to the access of file on the terminal; Wherein access mode is by Core server 10 actual execute file accessing operations in the band, and its execution sequence as shown in Figure 6; Under the out-of-band access mode, Core server 10 transmits necessary information to internet application and terminal agent apparatus 20, and by directly transmitting document data flow between internet application and the terminal agent apparatus 20, its execution sequence as shown in Figure 7; The selection of two kinds of file access methods, based on the strategy of the termination management module 105 of Core server 10, wherein out-of-band access mode is not suitable for the not online situation of terminal.
Under the present embodiment, the band in file access mode process as shown in Figure 8, concrete steps are:
1) application server cluster 30/ internet, applications gateway 40 is initiated the file access request to system controller 101;
2) if read request, system controller 101 is to the file access path of the accessed file of document management module 103 inquiries, document management module 103 calls metadatabase 106 inquiry corresponding metadata information, (the file access path is identified by the file path on pairing digital terminal and the terminal to obtain the path of accessed file, wherein the former is obtained by the terminal related information in the metadatabase information, and the latter is obtained by the filesystem information in the metadata information);
3) system controller 101 calls terminator terminating junctor 107 execute file read operations;
4) terminator terminating junctor 107 reads control information with file and is delivered to terminal agent apparatus 20, and the file data in the terminal agent apparatus 20 reading terminals file system sends terminator terminating junctor 107 to;
5) terminator terminating junctor 107 is to system controller 101 backspace file data;
6) system controller 101 is submitted to application server cluster 30/ internet, applications gateway 40 with file data;
7) if write operation, system controller 101 calls terminator terminating junctor 107 execute file write operations;
8) terminator terminating junctor 107 is delivered to terminal agent apparatus 20 with file write control information and file data, and terminal agent apparatus 20 is written to file data in the terminal document system;
9) system controller 101 calls the file-management services of document management module 103, is modified in line element database 106;
10) if terminal is not online, terminator terminating junctor 107 is temporary with file data to be written.
Under the present embodiment, the process of out-of-band access mode as shown in Figure 9, its step comprises:
1) internet application is initiated the file access request to application server cluster 30/ internet, applications gateway 40;
2) application server cluster 30/ internet, applications gateway 40 calling system controllers 101, whether system controller 101 has the right to visit to document management module 103 these internet applications of inquiry;
3) if read operation, system controller 101 is to the file access path of the accessed file of document management module 103 inquiries, document management module 103 calls metadatabase 106 inquiry corresponding metadata information, obtains the file path of accessed file on the number terminal;
4) system controller 101 calls termination management module 105, obtain the out-of-band access path and the visit authorization information of counterpart terminal, generation can return to internet application by application server cluster 30/ internet, applications gateway 40 by the network linking of the direct calling party terminal of internet application;
When 5) needing, system controller 101 is sent to terminal agent apparatus 20 by terminator terminating junctor 107 with visitor's identifying information and authorization information;
6) the terminal agent apparatus 20 direct files that receive internet application read request, send file data to internet application after the empirical tests;
7) if write operation, system controller 101 calls termination management module 105, obtains the presence information of counterpart terminal;
8) if terminal is not online, it is temporary to write request;
9) if terminal is online, system controller 101 calls termination management module 105, further obtain the out-of-band access path and the visit authorization information of terminal, generation can return to internet application by application server cluster 30/ internet, applications gateway 40 by the network linking of the direct calling party terminal of internet application;
10) system controller 101 is sent to terminal agent apparatus 20 by terminator terminating junctor 107 with visitor's identifying information and authorization information;
11) the terminal agent apparatus 20 direct files that receive internet application write request, and the file data that after the empirical tests internet application is sent writes the terminal document system;
12) system controller 101 calls the file-management services of network file administration module 103, is modified in line element database 106.
Embodiment 2:
The virtualization of user digital terminal file system that present embodiment is constructed, be on the basis of embodiment 1 described system, further comprise an online file storage device 50 that directly is connected on the interference networks 108, be used for store file data, can be by Core server 10 online access.Comprise two internal zone dividings:
1) partitions of file 501, it is online file storage subregion arranged side by side with number terminal document system on system configuration, to be with interior access mode access, safeguarded, managed by virtual management device 102 by system controller 101 by filesystem information wherein by application server cluster 30, internet, applications gateway 40 for file data wherein;
2) cache partitions 502, are used for the most often being employed recently on the cache user digital terminal file data that server cluster 30, internet, applications gateway 40 read, to improve access performance; Also be used at application server cluster 30, the temporarily providing room of internet, applications gateway 40 when the terminal document system writes file data.
Figure 10 is the building-block of logic of a preferred embodiment of the invention.
Under the situation of embodiment 2, online metadatabase 106 is except the metadata information of centralized stores, the multiple digital terminal of management described in the specific embodiment 1, comprises that also whether the file of the metadata information of online storage file subregion 501 file of depositing and described terminal carries out the buffer status metadata information of buffer memory at Core server.
Under the present embodiment, be to the improvement of embodiment 1:
1. receive terminal document from the Internet when reading request when system controller 101, at first to the buffer status of the accessed file of document management module 103 inquiries;
2. if in buffer memory 502, system controller 101 directly reads the file data in the buffer memory 502 and returns to application server cluster 30/ internet, applications gateway 40;
3. if not in buffer memory 502, then carry out file in band or out of band and read according to the method described in the embodiment 1;
4. in band under the situation of read operation, whether Core server 10 according to certain strategy, determines the data buffer memory in Core server 10 that will this time reads after the data that will read from terminal send the requestor to;
5. when needing buffer memory, file data is write cache partitions 502, simultaneously, change this document is in the buffer status information of online metadatabase 106.
It should be noted last that, related functional unit, entity etc. among the present invention, it realizes with deployment all unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (18)
1. the system of a virtualization of user digital terminal comprises:
Core server and terminal agent apparatus, wherein:
Described Core server is on the internet resident, accepts the visit from internet application;
Described terminal agent apparatus, representative of consumer digital terminal and described Core server communicate, and communicate by letter with internet application under the management of described Core server;
Have on the described Core server with described number terminal in part or all of filesystem information have the metadata information of mapping relations;
When the user described number terminal operation is caused on this terminal with described Core server on metadata information when existing the filesystem information of mapping relations to change, described terminal agent apparatus is communicated by letter with described Core server, to existing the metadata information of mapping relations to upgrade with the described filesystem information that changes on the described Core server; And
Described Core server can be accepted the access request from internet application, and carries out one of following operation according to the request of internet application:
1) obtain and in the described Core server of internet application loopback with described number terminal on the corresponding part or all of metadata information of filesystem information;
2) by communicating by letter, change the filesystem information on the described number terminal, and there is the metadata information of mapping relations in the filesystem information with on the described number terminal that upgrades in the described Core server with described terminal agent apparatus;
3) by communicating by letter with described terminal agent apparatus, to read on the number terminal by the specified file data of internet application, internet application is given in loopback; Or directly read the access path of file data on the described number terminal to the internet application loopback;
4) by communicating by letter with described terminal agent apparatus, the file data that internet application is transmitted is written on the described number terminal by the specified position of internet application; Or directly write the access path of file data to the internet application loopback to described number terminal.
2. the system as claimed in claim 1, wherein:
Described Core server acceptance and processing internet application comprise the operation requests of the file system of described number terminal: catalogue and file management, catalogue and document retrieval, file read and write.
3. system as claimed in claim 1 or 2, wherein:
Described terminal agent apparatus is communicated by letter with Core server, with the number endpoint registration, be linked into Core server, carry out the file system operation request of Core server to the number terminal, with on the number terminal with described Core server on metadata information exist the renewal of the filesystem information of mapping relations to be synchronized to Core server.
4. as the described system of one of claim 1-3, wherein said metadata information comprises one of following information at least:
The mapping correspondence table of bibliographic structure information, file attribute information, directories/files and the user terminal of described number terminal document system.
5. as the described system of one of claim 1-3, wherein said metadata information further comprises one of following information:
The identification of described number terminal and authentication information, accessibility information, wherein accessibility information comprises presence, IP address, port numbers.
6. as the described system of one of claim 1-3, wherein said Core server further comprises:
System controller for internet application provides access interface, is accepted its file to described number terminal and is carried out request of operating, carries out corresponding request processing logic, and result or next step operation indication are returned internet application;
The virtual management device, be used for the registration and the access of leading subscriber digital terminal, the metadata information of higher management server and with the mapping of number terminal document system information, the strategy that management is read and write the number terminal document, and to system controller proposed file is carried out request of operating and handle;
Terminator terminating junctor is responsible for establishing a communications link with each terminal agent apparatus, and swap file system management between other device of Core server and each terminal agent apparatus, control information transmit file data when needed;
Wherein system controller calls virtual management device and terminator terminating junctor when needed for carrying out the request processing logic.
7. system as claimed in claim 6, it is one of following that the strategy that the number terminal document is read and write that wherein said virtual management device is managed comprises at least:
Core server is by access strategy in the band of terminal agent apparatus direct read file data;
Core server is to the access path of internet application loopback terminal document system, by the out-of-band access strategy that directly transmits file data between internet application and the terminal agent apparatus.
8. as the described system of one of claim 1-3, it is characterized in that described terminal agent apparatus is terminal agency, described terminal agency is applicable to each independently digital terminal equipment, with terminal be one-one relationship.
9. as the described system of one of claim 1-3, it is characterized in that, described terminal agent apparatus is the terminal proxy gateway, described terminal proxy gateway is applicable to the local digital network environment, has a equipment in this environment at least with control ability, can find to have in this environment the terminal equipment of file storage ability, can carry out file system management and file read-write to these equipment, the terminal proxy gateway is as the functional module or the accessory of this control appliance, these terminal equipments are linked in the Core server, and terminal proxy gateway and terminal are many-one relationships.
10. as the described system of one of claim 1-3, wherein:
Be the relation of multi-to-multi between Core server and the terminal agent apparatus, promptly a Core server can connect a plurality of terminal agent apparatus, for a plurality of user terminals provide service; A terminal agent apparatus should connect a Core server at least, accepts the service that this Core server provides.
11. the system as claimed in claim 1, wherein:
The communication mode that described terminal agent apparatus can utilize existing communication mode of terminal or terminal agent apparatus to provide for oneself is communicated by letter with described Core server, and communication mode comprises any in cable broadband, WiMAX, the mobile communication.
12. the method for a virtualization of user digital terminal, this method comprises:
Core server and terminal agent apparatus are provided;
Described Core server is on the internet resident, accept visit from internet application;
Described terminal agent apparatus representative of consumer digital terminal and described Core server are communicated;
Wherein, have on the described Core server with described number terminal in part or all of filesystem information have the metadata information of mapping relations;
When the user causes described filesystem information on this terminal to change to described number terminal operation, described terminal agent apparatus is communicated by letter with described Core server, to existing the metadata information of mapping relations to upgrade with the described filesystem information that changes on the described Core server; And
When described Core server receives access request from internet application, make described Core server carry out one of following operation according to the request of internet application:
1) obtain and in the described Core server of internet application loopback with described number terminal on the corresponding part or all of metadata information of filesystem information;
2) by communicating by letter, change the filesystem information on the described number terminal, and there is the metadata information of mapping relations in the filesystem information with on the described number terminal that upgrades in the described Core server with described terminal agent apparatus;
3) by communicating by letter with described terminal agent apparatus, to read on the number terminal by the specified file data of internet application, internet application is given in loopback; Or directly read the access path of file data on the described number terminal to the internet application loopback;
4) by communicating by letter with described terminal agent apparatus, the file data that internet application is transmitted is written on the described number terminal by the specified position of internet application; Or directly write the access path of file data to the internet application loopback to described number terminal.
13. method as claimed in claim 12, wherein:
Described Core server acceptance and processing internet application comprise the operation requests of the file system of described number terminal: catalogue and file management, catalogue and document retrieval, file read and write.
14. as claim 12 or 13 described methods, wherein said metadata information comprises one of following information at least:
The mapping correspondence table of bibliographic structure information, file attribute information, directories/files and the user terminal of described number terminal document system.
15. as claim 12 or 13 described methods, wherein said metadata information further comprises one of following information:
The identification of described number terminal and authentication information, accessibility information, wherein accessibility information comprises presence, IP address, port numbers.
16., further comprise as claim 12 or 13 described methods:
Described user agent's device arrives described Core server with described number endpoint registration;
Described Core server is mapped as metadata information with the part or all of filesystem information on described a plurality of number terminals;
Described Core server identification also inserts a plurality of number terminals, manages the accessibility information of described number terminal, generates strategy and access path that the file on the described number terminal is conducted interviews;
Described user agent's device with on the number terminal with described Core server on metadata information exist the renewal of the filesystem information of mapping relations to be synchronized to Core server;
Described Core server is according to the carry out request of operating of internet application to described number terminal document system, and collaborative terminal agent apparatus is carried out operation accordingly.
17, method as claimed in claim 16, wherein:
Must be by the terminal agent apparatus at first with the number endpoint registration to Core server, this terminal just can be virtualized, the step of registration process comprises:
The terminal agent apparatus is by communicating to connect described Core server with Core server;
Core server and terminal agent apparatus are discerned mutually;
Described Core server is preserved the identifying information and the access authentication information of this number terminal;
When needed, described terminal agent apparatus is preserved the identifying information and the access authentication information of Core server.
18. method as claimed in claim 16, wherein:
After the number terminal was linked into Core server, if pending file system management operation, file write operation, file system mapping settings are arranged, then described terminal agent apparatus was carried out these operations.
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| CNA2007100977774A CN101304360A (en) | 2007-05-08 | 2007-05-08 | System and method for virtualization of user digital terminal |
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| CNA2007100977774A CN101304360A (en) | 2007-05-08 | 2007-05-08 | System and method for virtualization of user digital terminal |
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