KR20120073799A - Data synchronizing and servicing apparatus and method based on cloud storage - Google Patents

Data synchronizing and servicing apparatus and method based on cloud storage Download PDF

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KR20120073799A
KR20120073799A KR1020100135673A KR20100135673A KR20120073799A KR 20120073799 A KR20120073799 A KR 20120073799A KR 1020100135673 A KR1020100135673 A KR 1020100135673A KR 20100135673 A KR20100135673 A KR 20100135673A KR 20120073799 A KR20120073799 A KR 20120073799A
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data
storage
storage space
shared folder
client
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KR1020100135673A
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Korean (ko)
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KR101419275B1 (en
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김승민
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에스케이 텔레콤주식회사
에스케이플래닛 주식회사
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Priority to KR1020100135673A priority Critical patent/KR101419275B1/en
Priority to PCT/KR2011/008165 priority patent/WO2012057581A2/en
Priority to CN201180051138.9A priority patent/CN103180842B/en
Priority to JP2013531516A priority patent/JP5727020B2/en
Publication of KR20120073799A publication Critical patent/KR20120073799A/en
Priority to US13/871,761 priority patent/US10162871B2/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs

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  • Computer Hardware Design (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
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Abstract

The present invention relates to an apparatus and method for providing data synchronization and service based on cloud storage capable of increasing data security and stability.
To this end, the cloud storage-based data synchronization and service providing apparatus according to an exemplary embodiment of the present invention receives sharing area information about a shared folder managed by a client from a client, and stores the storage space in the storage using the provided sharing area information. And a shared area manager for allocating the shared area manager and a data synchronization unit for synchronizing data between the shared folder and the storage space using data changes when data in the shared folder is changed or data in the storage space is changed.

Figure P1020100135673

Description

DATA SYNCHRONIZING AND SERVICING APPARATUS AND METHOD BASED ON CLOUD STORAGE}

The present invention relates to a data service, and more particularly, to a cloud storage, which sets a storage space corresponding to a shared folder managed by a dedicated server to which a plurality of members are connected, in the cloud storage and synchronizes data between the set storage space and the shared folder. To provide an apparatus and method for providing data synchronization and service based.

In general, in order to use the IT environment, each component such as server, storage, software, solution, circuit, and development are integrated to make a function. Then, each solution such as website, mail ERP, and CRM is developed. This development process requires the introduction of software, integration and customization between systems, so there is a need for a continuous study of individual technologies. In order to overcome these drawbacks, cloud computing technology has recently been developed, and cloud computing technology provides everything related to IT as a service, that is, builds and uses an IT environment in the form of using a service without expertise in individual technologies.

Such cloud computing is largely divided into three areas: Software as a Service (SaaS) that provides software application services as services, Platform as a Service (PaaS) that provides standardized platforms as services, and storage. For example, IaaS (Infrastructure as a Service) that provides infrastructure such as a network as a service.

Cloud storage systems using cloud storage in one of these cloud computing technologies can be viewed by individual users as virtually isolated storage devices, in order to increase the system's usability even if the data is used by different users. While being physically managed on the same device, such as a storage server, on the same storage device, such as a hard disk, or stored together in the same folder.

Such a structure is for users seeking low cost, but there are many disadvantages in the security of data. In particular, SMB (Small Medium Business) companies that do not have their own computer room for economic reasons are not able to receive data or secure data properly depending on the network status if they rely only on cloud storage. There is a disadvantage that can not be supported.

In order to solve the above problems, an object of the present invention is to set a storage space corresponding to a shared folder managed by a dedicated server connected to a plurality of members in the cloud storage, and to set the data between the set storage space and the shared folder By synchronizing, a data storage and service providing device and method based on cloud storage that can not only recover data even if an abnormality occurs in data in a storage space or a shared folder, but also build a file system at low cost.

In addition, the present invention provides a cloud storage-based data synchronization and service providing apparatus and method that can increase data security by allowing access to the data in the cloud storage through authentication.

The object of the present invention is not limited to those mentioned above, and other objects not mentioned will be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, the cloud storage-based data synchronization and service providing apparatus according to an embodiment of the present invention is provided with the shared area information for the shared folder managed by the client from the client, the provided shared area Synchronize data between the shared folder and the storage space by using data changes when the data in the shared folder or the data in the shared folder is changed, and a shared area manager for allocating storage space in the storage using information. And a data synchronization unit.

Cloud storage-based data synchronization and service providing apparatus according to an embodiment of the present invention is an access processing unit for providing the access request data when there is an access request for data stored in the storage space from a user terminal connected to a wired or wireless communication network It may further include.

In the cloud storage-based data synchronization and service providing apparatus according to an embodiment of the present invention, the data synchronization unit may synchronize data between the storage space and a shared folder based on a request of the client.

In the cloud storage-based data synchronization and service providing apparatus according to an embodiment of the present invention, when there is a request for any error occurrence data from the client, the data synchronization unit fetches the arbitrary error occurrence data from the storage space. Characterized in that provided to the client.

In the cloud storage based data synchronization and service providing apparatus according to an embodiment of the present invention, if an error occurs while reading the data in order to provide data to a user terminal connected to the storage through a wired or wireless communication network, the error occurs data. It may include an error processing unit for extracting the data corresponding to the from the shared folder and providing it to the user terminal.

The cloud storage-based data synchronization and service providing apparatus according to an exemplary embodiment of the present invention may retrieve the random error occurrence data from the storage space and provide the same to the client when a request for any error occurrence data is received from the client. It may include an error processing unit.

In the cloud storage based data synchronization and service providing apparatus according to an embodiment of the present invention, if an error occurs while reading the data to provide data to a user terminal connected to the cloud storage through a wired or wireless communication network, the error occurs. It may include an error processing unit for updating data using the data stored in the shared folder.

According to another aspect of the present invention, the cloud storage-based data synchronization and service providing method according to an embodiment of the present invention, the step of receiving shared area information for the shared folder as a shared folder is set in the dedicated server, Allocating a storage space using the provided shared area information and synchronizing data between the shared folder and the storage space using data changes when data in the storage space is changed or data in the shared folder is changed. Performing the steps.

In accordance with another aspect of the present invention, there is provided a cloud storage-based data synchronization and service providing method including receiving a data access request from a user terminal connected to the system through a wired or wireless communication network, and storing the access request data in the storage space. Reading and providing the same to the user terminal; determining whether there is a change of data in the storage space as the connection of the user terminal is terminated; and when the data in the storage space is changed, the storage space and the shared folder. The method may further include performing data synchronization therebetween.

In the cloud storage based data synchronization and service providing method according to an embodiment of the present invention, the step of providing to the user terminal, the step of determining whether an error occurs while reading the access request data in the storage space, and the error Terminates the connection with the user terminal when the error occurs, requesting and receiving the error-produced data from the dedicated server, and recovering data in the storage space by using the received data. It may include.

In the cloud storage-based data synchronization and service providing method according to an embodiment of the present invention, the data synchronization may include data synchronization at a time interval set by an administrator of the dedicated server or an administrator of the system. do.

According to the present invention, by setting a storage space corresponding to a shared folder managed by a dedicated server to which a plurality of members are connected to cloud storage and synchronizing data between the set storage space and the shared folder, an error occurs in the storage space or data in the shared folder. Even then, not only can you recover data, but you can also build a file system at a lower cost.

1 is a view for explaining an apparatus for providing data synchronization and service based on cloud storage according to an embodiment of the present invention;
2 is a flowchart illustrating a process of setting a sharing area for data synchronization in a dedicated server according to an embodiment of the present invention and performing synchronization using the same;
3 is a flowchart illustrating a process of performing data synchronization and service providing apparatus according to an embodiment of the present invention.

Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions in the embodiments of the present invention, which may vary depending on the intention of the user, the intention or the custom of the operator. Therefore, the definition should be based on the contents throughout this specification.

Hereinafter, a cloud storage based data synchronization and service providing apparatus capable of providing a data service through data synchronization between a shared folder managed by a dedicated server and a storage space of a cloud storage will be described with reference to the accompanying drawings. .

1 is a diagram illustrating an apparatus for providing data synchronization and service based on cloud storage and a peripheral configuration according to an exemplary embodiment of the present invention, wherein the SMB client 100 includes at least one dedicated server 102 and storage 104. , A data synchronization and service providing apparatus 1500 connected through a dedicated server 100 and a wired communication network 120, and a user terminal 180 connected through a wired communication network 120 or a wireless communication network 120 or 190. Can be.

The SMB client 100 connects a plurality of members to one network, and provides a file system that provides a shared folder accessible by a plurality of networked members, a dedicated folder for each member, a specific folder accessible only by a specific member, and the like. A dedicated server 102 and storage 104 having a hierarchical structure may be provided.

The dedicated server 102 of the SMB client 100 has at least one storage 104, for example, the first SMB client 100 has one file system hierarchy for one dedicated server 102, Since the second and third SMB clients 100 have two or three dedicated servers 102, respectively, a shared file system hierarchy is configured for each dedicated server 102.

In the exemplary embodiment of the present invention, the mapping of the dedicated server 102 and the shared file system hierarchy to 1: 1 has been described as an example, but the M: N (M> N) mapping structure is not the 1: 1 mapping structure. It is obvious to those skilled in the art.

The SMB client 100 sets a shared area in the storage 104 of the dedicated server 102, that is, selects a specific folder from a folder hierarchy supported by the file system of the dedicated server 102 to set the shared area. The set sharing area information may be provided to the data synchronization and service providing apparatus 150. On the other hand, selecting a specific folder in the folder hierarchy means sharing data for all subfolders, including this folder, so that shared area information can be information about a specific folder and its subfolders. have.

On the other hand, the dedicated server 102 of the SMB client 100 stores user authentication information for each member in the network, for example, user authentication information such as ID and password, fingerprint authentication information, and administrator information. The user authentication information and the administrator information may be provided to the data synchronization and service providing apparatus 150. The administrator information may be the administrator's mobile terminal information, an administrator's ID and password, and the like.

Data synchronization and service providing apparatus 150 according to an embodiment of the present invention includes a cloud storage 170, the data stored in the storage area of the storage 104 of each dedicated server 102 and the cloud storage 170 Synchronize the stored data. To this end, the data synchronization and service providing apparatus 150 may include an access processor 152, a shared area manager 154, a data synchronizer 156, an authentication manager 160, an error processor 158, a storage 162, and the like. It may include.

The access processor 152 may terminate the connection with the user terminal 180 in response to a request from the user terminal 180 connected through the wired / wireless communication networks 120 and 190 or when an error occurs in providing the data.

The shared area manager 154 may receive shared area information from each dedicated server 102 and allocate storage space in the cloud storage 170 using the shared area information.

The data synchronization unit 156 may perform data synchronization when there is a change of data in the cloud storage 170 or data in a shared folder set by each dedicated server 102. That is, when data stored in the space set by the specific dedicated server 102 in the cloud storage 170 is changed, the data synchronization unit 156 transmits the changed data to the specific dedicated server 102 so that the specific dedicated server 102 is changed. It is possible to update the data of the shared folder in the storage 104 of the storage, and if the data of the shared folder in the storage of the dedicated server 102 is changed to receive the changed data and update the data stored in the storage space of the cloud storage 170. can do. Herein, the change of data may mean storing, editing, or deleting data.

On the other hand, the data synchronization unit 156 is based on the determination of the data synchronization between the cloud storage 170 and the storage 104 of the dedicated server 102, the storage 104 of the dedicated server 102 first, cloud storage ( 170) First, a time of the data synchronization and service providing apparatus 150, an administrator request of the SMB client 100, and the like may be mentioned. In other words, the storage 104 priority of the dedicated server 102 is a reference point for data synchronization when the data in the folder corresponding to the shared area in the storage 104 is changed, and the cloud storage 170 priority is cloud storage. When the data in the device is changed, the reference point for performing the synchronization is performed, and the time of the data synchronization and service providing apparatus 150 is controlled by the administrator of the SMB client 100 or the administrator of the data synchronization and service providing apparatus 150. The set time becomes a reference point for performing data synchronization, and the manager request of the SMB client 100 may be a reference point for performing data synchronization when the manager of the SMB client 100 requests it.

The authentication manager 160 receives manager information for managing each of the dedicated servers 102 and user authentication information for accessing the cloud storage 170 from the SMB client 100 and stores the information in the storage 162. If there is a request for access to the cloud storage 170 from the generated notification message may be sent to the manager of the SMB client 100 using the manager information stored in the storage unit 162.

The error processing unit 158 reads the data generated when an error occurs while reading data from the cloud storage 170 to provide data to any user terminal 180 accessing the cloud storage 170. The data received in the cloud storage 170 is recovered by using the received data and requesting the request.

On the other hand, when the error processing unit 158 receives any error occurrence data from the SMB client 100, the cloud storage 170 may retrieve and provide any error occurrence data. Here, any error occurrence data request is connected to the user terminal 180 or the SMB client 100. When receiving a data request from any terminal, the data is stored incorrectly in the storage 104 or an error occurs in the data. This can happen.

The cloud storage 170 according to an exemplary embodiment of the present invention includes a storage space, for example, a storage device and a device, for providing a file storage and sharing service to a plurality of SMB clients 100.

The user terminal 180 may access the data synchronization and service providing apparatus 150 through the wired / wireless communication networks 120 and 190, that is, the terminal included in each member of the SMB. In detail, the member may access the cloud storage 170 using his terminal and use the data.

Examples of the user terminal 180 may include, for example, a wired terminal such as a computer, a laptop, a server, and a wireless terminal such as a PDA, a smart phone, a mobile communication terminal, and the like.

A process of operating the data synchronization and service providing apparatus 150 having the above configuration will be described with reference to FIGS. 2 to 3.

2 is a flowchart illustrating a process of setting a sharing area for data synchronization in a dedicated server according to an embodiment of the present invention and performing synchronization using the same.

As shown in FIG. 2, the dedicated server 102 first selects a specific folder from a folder hierarchy supported by the file system, that is, the administrator of the specific SMB client 100, that is, the administrator of the dedicated server 102. And share information is generated using information on subfolders of a specific folder (S200). The generated shared area information is provided to the data synchronization and service providing device 150, and accordingly, the shared area management unit 154 of the data synchronization and service providing device 150 uses the provided shared area information to store the cloud storage 170. ) May allocate a storage space for data synchronization to a specific SMB client 100.

Thereafter, the dedicated server 102 of the specific SMB client 100 determines whether there is a request for access to data in the cloud storage 170 from any member terminal (not shown) (S202). That is, the member terminal determines whether there is a request for access to the shared folder set by the specific SMB client 100 after requesting authentication by using user ID and password information to access the shared folder (S202).

As a result of the determination in S202, when there is an access request, the dedicated server 102 generates a notification message for notifying that there is an access request and transmits it to the manager of the specific SMB client 100 (S204). For example, the dedicated server 102 may display a notification message on a screen of an administrator terminal (not shown) or transmit a notification message to a mobile communication terminal of an administrator or an e-mail of an administrator.

Then, the dedicated server 102 extracts and provides the data requested by the member terminal from the shared folder (S206).

Thereafter, when there is a request for terminating the data service from the member terminal (S208), the dedicated server 102 determines whether data in the shared folder is changed (S210). Here, the data change may mean that data in the storage space is deleted, edited, added, or the like.

As a result of the determination of S210, the dedicated server 102 may perform data synchronization by providing the changed data to the data synchronization and service providing apparatus 150 when the data in the shared folder is changed (S212). In other words, the data synchronization unit 156 of the data synchronization and service providing apparatus 150 receives the changed data in the shared folder from the dedicated server 102 and updates the storage space allocated to the cloud storage 170, thereby deriving the dedicated server. Synchronization between storage 104 and cloud storage 170 of 102 may be performed.

On the other hand, when an error occurs when providing data in S206, that is, when an error occurs while the dedicated server 102 reads data from the shared folder, the dedicated server 102 generates an error in the data synchronization and service providing apparatus 150. After requesting and receiving data, the data is stored in the temporary storage space, the data stored in the temporary storage space can be read and provided to the member terminal, and the data stored in the temporary storage space can be used in the shared folder in the storage 104. You can restore the saved data.

In the embodiment of the present invention, the data synchronization is performed when the service is terminated after the data in the shared folder is changed as an example, but the rule or data synchronization and service providing apparatus 150 set by the administrator of the dedicated server 102 is described. Data synchronization can be performed by the rules set by the administrator. That is, when the administrator of the dedicated server 102 has set a predetermined time interval as a rule, data changes in the shared folder of the storage 104 are provided to the data synchronization and service providing device 150 at a predetermined time interval, or data synchronization and service is performed. Data change in the storage space of the cloud storage 170 may be provided from the providing device 150.

In addition, data synchronization may be performed based on an administrator request of the dedicated server 102 or an administrator request of the data synchronization and service providing apparatus 150.

According to an embodiment of the present disclosure, as the shared folder is set in the storage 104 of the dedicated server 102, the storage space corresponding to the shared folder is allocated to the cloud storage 170, and the allocated storage space and the shared folder are stored within the shared folder. By synchronizing with each other using data changes, not only data loss due to abnormality of the storage 104 can be eliminated, but data can also be used by accessing the cloud storage 170 from the outside.

3 is a flowchart illustrating a process of performing data synchronization and service providing apparatus according to an embodiment of the present invention.

As shown in FIG. 3, the dedicated server 102 first selects a specific folder from a folder hierarchy supported by the file system, that is, the administrator of the specific SMB client 100, that is, the administrator of the dedicated server 102. And share area information using information about subfolders of a specific folder. The generated shared area information is provided to the data synchronization and service providing device 150, and accordingly, the shared area management unit 154 of the data synchronization and service providing device 150 uses the provided shared area information to store the cloud storage 170. ) Allocates a storage space for data synchronization to a specific SMB client 100 (S300). At this time, the authentication management unit 160 receives the user authentication information and administrator information for the members in the specific SMB client 100 and stores it in the storage unit 162.

Thereafter, the access processor 152 of the data synchronization and service providing apparatus 150 determines whether there is a request for access to the storage space from the user terminal 180 connected through the wired / wireless communication networks 120 and 190 (S302). In other words, it is determined whether the user terminal 180 accesses the data synchronization and service providing apparatus 150 to access the data stored in the storage space by using the user ID and password.

As a result of the determination of S302, when there is an access request, the access processing unit 152 of the data synchronization and service providing apparatus 150 generates a notification message using the information of the user who requested access and transmits the notification message to the manager using the administrator information. (S304). In other words, the notification message may be generated in the form of an SMS message and transmitted to the mobile communication terminal of the management site or may be sent to the administrator's email.

Then, the access processor 152 retrieves the data requested by the user terminal 180 requesting access from the storage space and transmits the data to the user terminal 180. At this time, the access processing unit 152 determines whether an error occurs while reading data in the storage space (S306 and S308). If an error occurs as a result of the determination in S308, the access processing unit 152 requests the error processing unit 158 for error processing. Accordingly, the error processing unit 158 provides a message indicating that data cannot be provided due to an error to the user terminal 180, and then requests and transmits the data in error to the dedicated server 102 of the specific SMB client 100. Receive and recover the data in the storage space (S310, S312).

On the other hand, if no error occurs as a result of the determination in S308, the access processor 152 reads the data from the storage space and provides it to the user terminal 180 (S314).

Subsequently, when there is a data service termination request from the user terminal 180 (S316), that is, when the user terminal 180 terminates the connection in the data synchronization and service providing apparatus 150, the data synchronization unit 156 stores the cloud storage. It is determined whether data in the storage space of 170 is changed (S318). Here, the data change may mean that data in the storage space is deleted, edited, added, or the like.

As a result of the determination in S318, the data synchronization unit 156 may perform data synchronization by providing the changed data to the dedicated server 102 when the data in the storage space is changed (S320). In other words, the data synchronization unit 156 of the data synchronization and service providing apparatus 150 transmits the changed data in the storage space to the dedicated server 102 to store the data stored in the shared folder in the storage 104 of the dedicated server 102. By updating the, the synchronization between the storage 104 of the dedicated server 102 and the cloud storage 170 may be performed.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, You will understand. For example, those skilled in the art can change each component according to the field of application, or combine or substitute the disclosed embodiments in a form that is not clearly disclosed in the embodiments of the present invention, but this is also within the scope of the present invention. It is not. Therefore, the above-described embodiments are to be considered in all respects as illustrative and not restrictive, and such modified embodiments should be included in the technical spirit described in the claims of the present invention.

The present invention is a technology applied to a cloud storage-based large file storage service device, in particular can be used as a data synchronization technology.

In addition, the present invention is a technology related to a data service suitable for SMB companies that are difficult to have a large dedicated file system, it is possible to provide a data service to SMB companies at low cost.

100: SMB client
120: wired communication network
150: data synchronization and service providing device
180: user terminal
190: wireless communication network

Claims (10)

A share area manager for receiving share area information about a shared folder managed by a client from the client and allocating storage space in storage using the provided share area information;
And a data synchronization unit configured to synchronize data between the shared folder and the storage space using data changes when data in the shared folder is changed or data in the storage space is changed.
Data storage and service providing device based on cloud storage. The method of claim 1,
If there is a request for access to the data stored in the storage space from a user terminal connected to a wired or wireless communication network further comprises an access processing unit for providing the access request data
Data storage and service providing device based on cloud storage. The method of claim 1,
The data synchronization unit may synchronize data between the storage space and a shared folder at a time interval set by an administrator of the client or an administrator of the synchronization and service providing apparatus.
Data storage and service providing device based on cloud storage. The method of claim 1,
The data synchronizer may synchronize data between the storage space and a shared folder based on a request of the client.
Data storage and service providing device based on cloud storage. The method of claim 1,
If there is a request for any error occurrence data from the client further comprises an error processing unit for retrieving the arbitrary error occurrence data from the storage space to provide to the client
Data storage and service providing device based on cloud storage. The method of claim 1,
If an error occurs while reading the data to provide data to the user terminal connected to the storage through a wired or wireless communication network, the data corresponding to the error data is extracted from the shared folder and then provided to the user terminal. Further comprising an error processing unit
Data storage and service providing device based on cloud storage. Receiving share area information on the shared folder as a shared folder is set in the client;
Allocating a storage space in storage using the provided shared area information;
Performing data synchronization between the shared folder and the storage space by using data changes when data in the storage space is changed or data in the shared folder is changed.
How to synchronize data and provide services based on cloud storage. The method of claim 7, wherein
Receiving a data access request from a user terminal connected through a wired or wireless communication network;
Reading the access request data from the storage space and providing the access data to the user terminal;
Determining whether there is a change of data in the storage space as the connection of the user terminal is terminated;
Performing data synchronization between the storage space and the shared folder when the data in the storage space is changed.
How to synchronize data and provide services based on cloud storage. The method of claim 8,
Providing to the user terminal,
Determining whether an error occurs while reading the access request data from the storage space;
Terminating the connection with the user terminal when the error occurs;
Requesting and receiving the error generated data from the client;
Recovering data in the storage space by using the received data;
How to synchronize data and provide services based on cloud storage. The method of claim 7, wherein
Performing the data synchronization,
Performing data synchronization at a time interval set by an administrator of the client or at a time interval set by a device managing the storage.
How to synchronize data and provide services based on cloud storage.
KR1020100135673A 2010-10-28 2010-12-27 Data synchronizing and servicing apparatus and method based on cloud storage KR101419275B1 (en)

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Application Number Priority Date Filing Date Title
KR1020100135673A KR101419275B1 (en) 2010-12-27 2010-12-27 Data synchronizing and servicing apparatus and method based on cloud storage
PCT/KR2011/008165 WO2012057581A2 (en) 2010-10-28 2011-10-28 Cloud computing system and data synchronization method therefor
CN201180051138.9A CN103180842B (en) 2010-10-28 2011-10-28 Cloud computing system and the method for data synchronization for this cloud computing system
JP2013531516A JP5727020B2 (en) 2010-10-28 2011-10-28 Cloud computing system and data synchronization method thereof
US13/871,761 US10162871B2 (en) 2010-10-28 2013-04-26 Cloud computing system and data synchronization method

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KR101428749B1 (en) * 2013-04-04 2014-09-25 (주)한미글로벌건축사사무소 EDMS using Cloud Service
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