KR20110006487A - Apparatus and method for multi-terminal service using resource virtualization - Google Patents

Abstract

PURPOSE: An apparatus and a method for providing a multi-terminal service using resource virtualization are provided to supply individual/independent environments by a user by virtualizing common resources belonging to an application program. CONSTITUTION: A resource virtualization unit(211) obtains information about a terminal session and virtualization information for a virtual resource individually generated by a user for source resources of an application. A resource monitoring unit(221) uses the terminal session information and the virtualization information to generate a virtual resource access path. If the application accesses the source resource, the resource monitoring unit makes the application go round using the virtual resource access path to access the virtual resource.

Description

Apparatus and method for providing terminal services using resource virtualization {APPARATUS AND METHOD FOR MULTI-TERMINAL SERVICE USING RESOURCE VIRTUALIZATION}

The present invention relates to an apparatus and method for providing a multi-terminal service using resource virtualization, and more particularly, to a common source resource (eg, file, registry, etc.) dependent on a specific application program in a multi-user environment. The present invention relates to a method and apparatus for providing a multi-terminal service using resource virtualization, which can provide individual / independent terminal service environments for a plurality of users by providing virtualized folders for each user and individually.

Virtualization is a technique of logically dividing one physical resource into efficient use, or logically integrating several physically different resources. Such virtualization includes various virtualization methods such as desktop virtualization, application virtualization, and presentation virtualization represented by server based computing (SBC).

In particular, the presentation virtualization is implemented through a server / client configuration as shown in FIG. 1, and remotely connects to the terminal server 14 using a user terminal (terminal client) 10 to provide resources of a server. To be used by the terminal client 10. The application is not installed in the user terminal (terminal client) 10, but is installed in the terminal server 14, only the application execution result screen of the terminal server 14 is transmitted to the user terminal (terminal client) 10 On the user side, all applications appear to be running on the user terminal (terminal client) 10.

That is, actual data is not transmitted and received between the terminal server 14 and the user terminal (terminal client) 10, all operations are performed in the terminal server 14, and the server operation is performed by the user terminal (terminal client) 10. Only the results are delivered. In this way, since all operations are performed in the terminal server 14, the CPU, memory, and the like used by the application program use the server resources, and the client resources use the minimum resources necessary for running the terminal client. This is used.

When using an application service in such a terminal service environment, since all practical work is performed on the terminal server 14, work data is not leaked to the outside, thereby providing a high security.

However, when a plurality of terminal clients connect to one server and use the same program, there is a problem that resources (eg, files, folders, registries, etc.) dependent on the program are not personalized.

In other words, if an application developed on the terminal server is developed without considering multi-user and only a single user is placed on the terminal server, when the multi-user attempts to access and use the application, the application is created on a per-user basis. Resources are overlapped and do not work properly.

For example, there is no problem if a specific program that records login information in a fixed path file and stores personal settings is installed and operated on a personal computer (PC). However, in the terminal service environment, when a specific program is installed and operated in a server, since a plurality of users may log in at different times and a plurality of users may simultaneously access a specific program, the fixed program may be fixed. Only the information of the most recently accessed user in a file, registry or folder in the specified path is stored. Therefore, the information stored in the previously accessed file, folder or registry is deleted, and only the information of the recently accessed user is recorded (stored).

For this reason, it is impossible to use a program when providing a terminal service by running a program that shares resources on a server. As a result, in the related art, common resources can be managed by user only by modifying or re-developing a specific program. There is a problem.

Therefore, there is an urgent need to establish a terminal service environment that allows a plurality of users to simultaneously use a program resource without modifying / changing a single user application that is already commercially available.

Accordingly, an object of the present invention is to provide an apparatus and method for providing a multi-terminal service using resource virtualization, which provides a terminal service environment that allows a multi-user access to an application program developed without considering the multi-user. have.

The objects of the present invention are not limited to the above-mentioned objects, and other objects and advantages of the present invention which are not mentioned can be understood by the following description, and will be more clearly understood by the embodiments of the present invention. Also, it will be readily appreciated that the objects and advantages of the present invention may be realized by the means and combinations thereof indicated in the claims.

In order to achieve the above object, the present invention is characterized in that a common source resource dependent on a specific application program in a multi-user environment is virtualized for each user and provided separately.

More specifically, in an apparatus for providing a multi-terminal service using resource virtualization, the present invention provides information on a terminal session created according to a connection of a terminal client and a virtual resource individually generated for each user with respect to a source resource of an application. Resource virtualization means for obtaining virtualization information for the network; And a virtual resource access path is generated using the terminal session information and the virtualization information acquired and delivered by the resource virtualization means, and when the application program accesses a source resource, the virtual resource access path is used to access the corresponding virtual resource. Resource monitoring means for bypassing.

In addition, the present invention, in a multi-terminal service providing method using resource virtualization, to create a virtual resource for each user for the source resource dependent on the application program, and to store / manage the virtualization information for each of the generated virtual resources step; Creating a virtual resource access path using terminal session information and virtualization information for a corresponding user according to a connection of a terminal client; And when the application accesses the source resource, bypassing the access of the application program to the corresponding virtual resource using the virtual resource access path.

As described above, in the server-based computing system of a terminal environment, a common resource dependent on a specific application is virtualized for each user to provide an individual / independent service environment for each user, thereby operating an application program to be operated in a terminal service environment. Regardless, it has the effect of allowing more programs to run in the Terminal Services environment.

In addition, the present invention enables to manage common resources by user without modifying / changing existing commercially available applications (particularly, existing applications developed considering only a single user). This has the effect of running more programs and enabling the use of multiple users.

The foregoing and other objects, features and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, in which: There will be. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

2 is a block diagram of an embodiment of a multi-terminal service providing apparatus using resource virtualization according to the present invention.

The apparatus for providing multiple terminal services 20 according to the present invention is implemented in the terminal server 14, and represents an apparatus for providing multiple terminal services using resource virtualization. Here, the "terminal server" shown in FIG. 2 performs basic functions (terminal session establishment, etc.) of the terminal server in the existing terminal service environment shown in FIG. 1, while performing a new technical feature for resource virtualization. In the strict sense, the identification number should be given differently from that of FIG. 1, but the identification number "14" of FIG. 1 will be used as it is to easily understand the application environment of the present invention.

When a user connects to the terminal server 14 using the user terminal 10 and performs authentication, the terminal server 14 establishes a terminal session with the access user terminal 10 in a user mode in an operating system (OS). (21) maintains an environment independent of other users, and also runs an application (application). In addition, the terminal server 14 transmits only the application program execution result screen to the user terminal 10. Here, the resource virtualization target application according to the present invention is an application program developed by considering only a single user or a plurality of users of a specific range, and may be simply referred to as a "single user application", and the application program mentioned below Means "single user application".

Since the user terminal 10 processes a job on an application program execution result screen received from the terminal server 14, the terminal server receives a job through a user input (for example, a keyboard input, a mouse click, etc.) while receiving a transmission. Return to (14). Then, the terminal server 14 processes the application program according to the user input returned from the user terminal 10 and transmits the execution result screen to the user terminal 10 again.

When the terminal client of the user terminal 10 accesses the terminal server 14, the terminal server 14 creates an independent terminal session for the user terminal 10 and transmits a basic screen to the terminal client. Subsequently, when the user inputs (commands) the execution of an application on the basic screen displayed through the terminal client, the input signal is transmitted to the terminal server 10 through the network so that the application selected by the user in the terminal session is executed. do.

The terminal server 14 is a "resource virtualization agent" 211 operating in the user mode 21 in the operating system (OS) and a "resource monitoring module" (221) operating in the kernel mode (kernel mode) 22 in the operating system (221). The resource monitoring module 221 operates in the form of a device driver in the kernel stage of the operating system.

The resource virtualization agent 211 is connected to an administrator tool, and receives virtualization information about a source resource (for example, a file, a folder, a registry, etc.) that an application accesses through an administrator tool. 221). Here, the virtualization information includes virtualization target resource information (virtualization target resource, that is, location information of the source resource, etc.), virtualization path where user data is actually stored (location information of virtual resource (destination resource) generated for each user), and virtualization target. Contains resource type information. The type information indicates whether the source resource corresponds to a file, a folder, or a registry.

In addition, the resource virtualization agent 211 monitors the creation of the terminal session in real time. When the terminal session of the user is generated according to the access of the terminal client, the resource virtualization agent 211 transfers information of the corresponding terminal session to the resource monitoring module 221.

The resource monitoring module 221 stores the terminal session information received from the resource virtualization agent 211 in the session information DB 231, and further stores the virtualization information received from the resource virtualization agent 211 in the virtualization information DB 214. Store in The resource monitoring module 221 starts driving according to the command of the resource virtualization agent 211.

The resource monitoring module 221 stores virtualization information (for example, location information of a source resource, destination resource (virtual resource generated for each user), location information (virtualization path) stored (recorded) in the virtualization information DB 214. , Type information of the source resource, etc.] and the terminal session information (eg, user ID, etc.) of the user stored in the session information DB 231 to generate a virtual resource access path for each user.

For example, if the location (path) of the source resource is the "C: \ enc" folder and the location (path) of the destination resource (where the virtual resource is for all users) is "D: \ userdata", then the user ID When a user with "use01" launches an application, the application will access the source resource "C: \ enc" folder. In this case, the resource monitoring module 221 combines the location (path) of the destination resource (the location of the virtual resource of the individual user) (D: \ userdata \ user01) and the location (path) of the source resource (C: \ enc). Create a virtual resource access path named "D: \ userdata \ user01 \ C \ enc".

In the example, if another user with user ID "user02" runs the same application, and that application accesses the source resource "C: \ enc" folder, according to the same principle as above, "D: \ userdata Create a virtual resource access path named \ user02 \ C \ enc ".

The resource monitoring module 221 is loaded into a file manager in the operating system to filter access of source resources of an application program to redirect to virtual resources (destination resources).

That is, the resource monitoring module 221 monitors the access of the application program only to the source resource stored (recorded) in the virtualization information DB 232 among the resources of the terminal server 14, and the monitoring result application is the source resource ( Accessing "C: \ enc") changes the access path to access virtual resources ("D: \ userdata \ user01 \ C \ enc" or "D: \ userdata \ user02 \ C \ enc").

Specifically, the resource monitoring module 221 monitors all I / O request packets (IRPs) transmitted from the application program and redirects IRPs directed to the source resource to the virtual resource. That is, when the resource monitoring module 221 reads the destination address of the packet and heads to the source resource, the resource monitoring module 221 changes the destination address of the packet into the address of the virtual resource.

Even if a plurality of users use the same application program, the common resources (source resources) are virtualized independently for each user, thereby providing a separate application environment for each user.

3 is a flowchart illustrating a method for providing a multi-terminal service using resource virtualization according to the present invention, using resource virtualization performed in a terminal server 14 (more precisely, a multi-terminal service providing apparatus 20). Shows how to provide multiple terminal services.

The multi-terminal service providing apparatus 20 generates a virtual resource for each user and stores corresponding virtualization information (300). That is, the multi-terminal service providing apparatus 20 generates a separate virtual resource (destination resource) for each user for a source resource ("C: \ enc") that is dependent on an application. Copy source resources (folders, files, registry, etc.) by user and place them in the repository designated by each user. The multi-terminal service providing apparatus 20 stores virtualization information (path or location information, etc.) for the generated virtual resource (destination resource).

Subsequently, when the user terminal (terminal client) approaches, the multi-terminal service providing apparatus 20 creates (sets) a terminal session, and uses the generated session information and the virtualization information stored in “300” to access the virtual resource. ("D: \ userdata \ user01 \ C \ enc" or D: \ userdata \ user02 \ C \ enc ") is created (302).

The multi-terminal service providing apparatus 20 monitors whether a user terminal (terminal client) accesses a source resource (a resource targeted for virtualization) through a specific application program (304, 306).

As a result of monitoring, when it is detected that a specific application accesses the source resource (306), the multi-terminal service providing apparatus 20 redirects (308) using the virtual resource access path generated in step 302. . That is, the multi-terminal service providing apparatus 20 changes a path so that a specific application accesses a virtual resource for a corresponding user instead of a source resource.

On the other hand, the method of the present invention as described above can be written in a computer program. And code and code segments constituting the program can be easily inferred by computer programmers in the art. In addition, the written program is stored in a computer-readable recording medium (information storage medium), and read and executed by a computer to implement the method of the present invention. The recording medium may include any type of computer readable recording medium.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the technical spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited by the drawings.

1 is a block diagram of a general terminal service system;

2 is a block diagram of an embodiment of a multi-terminal service providing apparatus using resource virtualization according to the present invention;

3 is a flowchart illustrating a method for providing a multi-terminal service using resource virtualization according to the present invention.

* Explanation of symbols on the main parts of the drawings

10: user terminal (terminal client) 14: terminal server

20: multi-terminal service providing device 21: user mode

22: Kernel Mode 211: Resource Virtualization Agent

221: resource monitoring module 231: session information DB

232: virtualization information DB

Claims (13)

In the multi-terminal service providing apparatus using resource virtualization, Resource virtualization means for obtaining information on a terminal session created according to a connection of a terminal client and virtualization information on a virtual resource individually generated for each user with respect to a source resource of an application program; And Create a virtual resource access path using the terminal session information and the virtualization information obtained and delivered by the resource virtualization means, and bypassing the virtual resource access path to access the virtual resource when the application program accesses the source resource Resource monitoring means for Multi-terminal service providing apparatus comprising a. The method of claim 1, The resource virtualization means, Whenever a terminal session is created according to the access of the terminal client, the terminal terminal information is acquired and transmitted to the resource monitoring means. The method of claim 1, The virtual resource, Multi-terminal service providing apparatus characterized in that it is generated by copying the source resource to be virtualized and placed in different storage for each user. The method of claim 1, The virtualization information, Multi-terminal service providing apparatus including the location information of the source resource to be virtualized, the location information of the virtual resource generated for each user, and the type information of the virtualization target resource. The method of claim 4, wherein The virtualization target resource type is Multiple Terminal Services Provisioning Devices, including files, folders, and registries. 6. The method according to any one of claims 1 to 5, The resource virtualization means, Operating in the user mode of the operating system; The resource monitoring means Multi-terminal service providing apparatus operating in the kernel mode of the operating system. 6. The method according to any one of claims 1 to 5, The resource monitoring means, And a terminal address of an input / output request packet transmitted from the application program to detect an access to the source resource. 6. The method according to any one of claims 1 to 5, The application program, Multiple terminal service providing apparatus, characterized in that the application for a single user. In the multi-terminal service providing method using resource virtualization, Creating a virtual resource for each user for a source resource dependent on an application program, and storing / managing virtualization information for each of the generated virtual resources; Creating a virtual resource access path using terminal session information and virtualization information for a corresponding user according to a connection of a terminal client; And If the application accesses the source resource, bypassing the access of the application to the corresponding virtual resource using the virtual resource access path; Multi-terminal service providing method comprising a. The method of claim 9, The virtualization information, A method for providing a multi-terminal service including location information of a source resource to be virtualized, location information of a virtual resource generated for each user, and type information of a virtualization target resource. The method of claim 9, And detecting access to the source resource by reading a destination address of an input / output request packet transmitted from the application program. The method according to any one of claims 9 to 11, The virtual resource, Method of providing a multi-terminal service by copying the source resources to be virtualized and placed in different storage for each user. The method according to any one of claims 9 to 11, The application program, Method for providing multiple terminal services, characterized in that the application for a single user.

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