KR20150053282A - Apparatus and method for automatically switching virtual environment using screen change - Google Patents

Apparatus and method for automatically switching virtual environment using screen change Download PDF

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Publication number
KR20150053282A
KR20150053282A KR1020130134534A KR20130134534A KR20150053282A KR 20150053282 A KR20150053282 A KR 20150053282A KR 1020130134534 A KR1020130134534 A KR 1020130134534A KR 20130134534 A KR20130134534 A KR 20130134534A KR 20150053282 A KR20150053282 A KR 20150053282A
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South Korea
Prior art keywords
virtual machine
terminal
virtual
virtual environment
screen
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KR1020130134534A
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Korean (ko)
Inventor
김종
김지훈
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포항공과대학교 산학협력단
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Priority to KR1020130134534A priority Critical patent/KR20150053282A/en
Publication of KR20150053282A publication Critical patent/KR20150053282A/en

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Abstract

Disclosed are an apparatus and a method for automatically changing a virtual environment through screen conversion. The terminal which automatically changes a virtual environment through screen conversion comprises: at least one virtual machine; a context information collection unit collecting context information on the terminal; and a hypervisor controlling at least one virtual machine to provide a user interface corresponding to the context information by selecting any one among at least one virtual machine according to the context information collected by the context information collection unit Accordingly, the automatic conversion of the screen for providing virtual environment according to the context information can improve user convenience.

Description

[0001] APPARATUS AND METHOD FOR AUTOMATICALLY SWITCHING VIRTUAL ENVIRONMENT USING SCREEN CHANGE [0002]

TECHNICAL FIELD The present invention relates to a technology for providing various virtual environments using a terminal, and more particularly, to an apparatus and method for automatically changing a virtual environment through screen switching.

As processor technology evolves, there is a steady increase in interest in virtualization technology. Virtualization technology is a technology that allows multiple operating systems to operate independently on a single physical device.

In this virtualization technology, the physical device does not directly execute the instruction code of the application, but at least one virtual machine implemented in the physical device interprets the instruction code and executes the application.

With this virtualization technology, a virtualization layer is formed on the host operating system of the physical device, and a plurality of logical virtual machines are created on the virtualization layer.

In recent years, a smart phone combining the functions of a mobile communication terminal and a function of a PDA has been attracting attention. Such a smart phone is equipped with a large-capacity memory and a high-performance CPU compared to existing mobile communication terminals, / An operating system for supporting data communication and PC interworking, such as Apple's iOS and Google's Android.

In addition, in order to increase the efficiency of the business by utilizing the portability of the smartphone, there are more and more companies that pay smart phones to the employees and make the applications for the business and use them for the employees. Furthermore, a separate security program is installed and executed to secure the application.

However, there are security vulnerabilities in smartphone applications, and smartphone applications such as viruses on PCs may intentionally include attack codes. It is impossible for a company running an application market to fully inspect applications that are registered many times a day.

In addition, there are security vulnerabilities of operating system itself by removing some security functions to make smart phone operating system light.

In order to secure this, when a virtualization technology is applied to a smart phone, at least one virtual machine may exist in the smart phone. Accordingly, the smart phone may have at least one virtual machine, and the application may be installed in at least one virtual machine.

If there is at least one virtual machine in the smartphone, the user may install different applications in at least one virtual machine, and may switch the virtual machine as needed to execute the application installed in the virtual machine.

However, in order for the user to switch at least one virtual machine existing in the smartphone, the state of the running virtual machine must be manually changed to the suspended state or the terminated state, and the state of the applied virtual machine must be changed to the execution state .

In order to solve the above problems, an object of the present invention is to provide an apparatus for automatically changing a virtual environment through screen switching.

It is another object of the present invention to provide a method of automatically changing a virtual environment through screen switching.

According to an aspect of the present invention, there is provided a terminal for automatically changing a virtual environment through screen switching according to an exemplary embodiment of the present invention includes at least one virtual machine, a status information collecting unit for collecting context information about the terminal, And a hypervisor for controlling the at least one virtual machine to provide a user interface corresponding to the context information by selecting any one of the at least one virtual machine according to the context information collected by the context information collection unit.

Here, each of the at least one virtual machine may be independently driven to provide a screen to the terminal.

Here, each of the at least one virtual machine may be subject to a security policy corresponding to the context information.

Here, the status information collecting unit may collect status information including information on the position and current time of the terminal.

Here, the situation information collecting unit may transmit status information to the hypervisor through a virtual machine that is currently active.

The hypervisor includes a status information receiving module for receiving status information, a virtual environment selection module for selecting any one of at least one virtual machine according to the status information, and a virtual environment selection module for activating or deactivating each of the at least one virtual machine And a virtual environment change module for controlling each of the at least one virtual machine so as to provide a user interface corresponding to the status information.

Here, the virtual environment selection module may select any one of at least one virtual machine according to the status information based on a predefined virtual environment change rule.

Here, the virtual environment change module changes the state of at least some of the virtual machines of at least one virtual machine to a suspended state or an inactive state, activates the selected virtual machine, and causes the selected virtual machine to provide a screen to the terminal .

Here, the virtual environment change module can automatically switch the screen of the terminal in a state that at least one virtual machine is loaded by controlling the state of each of the at least one virtual machine.

According to another aspect of the present invention, there is provided a method of automatically changing a virtual environment through screen switching according to an exemplary embodiment of the present invention includes collecting context information for a terminal, Selecting one of the virtual machines, and controlling the at least one virtual machine to provide a user interface corresponding to the context information.

The apparatus and method for changing the virtual environment through the screen switching according to the embodiment of the present invention can effectively provide a virtual environment suitable for the situation information.

In addition, the convenience of the user can be increased by automatically switching the screen for providing the virtual environment according to the situation information.

In addition, it is possible to prevent problems caused by a change in the virtual environment according to an unexpected situation such as a user's erroneous setting or input.

1 is a block diagram illustrating a configuration of a terminal that automatically changes a virtual environment through screen switching according to an embodiment of the present invention.
2 is a block diagram illustrating a configuration of a terminal for automatically changing a virtual environment through screen switching according to an exemplary embodiment of the present invention.
3 is a block diagram illustrating a method for automatically changing a virtual environment through screen switching according to an embodiment of the present invention.

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. It should be understood, however, that the invention is not intended to be limited to the particular embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. Like reference numerals are used for like elements in describing each drawing.

The terms first, second, A, B, etc. may be used to describe various elements, but the elements should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component. And / or < / RTI > includes any combination of a plurality of related listed items or any of a plurality of related listed items.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprises" or "having" and the like are used to specify that there is a feature, a number, a step, an operation, an element, a component or a combination thereof described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

First, the terms used in the present application are defined as follows.

A "virtual machine (VM)" can be defined as an efficient and isolated replica of a real computer, and can be distinguished as a system virtual machine and a process virtual machine.

The system virtual machine is also called a hardware virtual machine, and it is implemented by multiplexing the physical computers that are the basis of virtual machines running each operating system.

A process virtual machine, also called an application virtual machine, can be implemented as a processor that runs general applications and virtual programs within the operating system. The virtual machine according to the present invention may mean a process virtual machine.

A "hypervisor" refers to a logical platform for simultaneously executing a plurality of operating systems in a host computer, which is also referred to as a virtual machine monitor (VMM). The hypervisor according to the present invention can manage the state of a plurality of virtual machines.

A "terminal" includes a mobile station (MS), a user equipment (UE), a user terminal (UT), a wireless terminal, an access terminal (AT), a terminal, a subscriber unit, a subscriber station (SS) Subscriber Station, a wireless device, a wireless communication device, a wireless transmit / receive unit (WTRU), a mobile node, a mobile, or some other terminology. Various embodiments of the terminal may be used in various applications such as cellular telephones, smart phones with wireless communication capabilities, personal digital assistants (PDAs) with wireless communication capabilities, wireless modems, portable computers with wireless communication capabilities, Devices, gaming devices with wireless communication capabilities, music storage and playback appliances with wireless communication capabilities, Internet appliances capable of wireless Internet access and browsing, as well as portable units or terminals incorporating combinations of such functions have.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram for explaining a configuration of a terminal for automatically changing a virtual environment through screen switching according to an embodiment of the present invention. FIG. 2 is a diagram for automatically changing a virtual environment through screen switching according to an embodiment of the present invention FIG. 2 is a block diagram for explaining the configuration of a terminal in more detail.

Referring to FIG. 1, a terminal 10 for automatically changing a virtual environment through screen switching according to an embodiment of the present invention includes at least one virtual machine, a situation information collecting unit 100, and a hypervisor 300 do.

At least one virtual machine can be driven in the terminal 10, and a virtual environment can be implemented through each virtual machine. Although FIG. 1 shows only the first virtual machine 210 and the second virtual machine 220, it is needless to say that a plurality of virtual machines can be driven to implement a plurality of virtual reality in the terminal 10. [

That is, each of at least one virtual machine is independently driven to provide a screen to the terminal 10, and a user can perform input / output through a screen provided by a virtual machine. At least one virtual machine allows the application to be downloaded wirelessly as well as a module that executes the application. Furthermore, the virtual machine is created by virtualizing the same operating system or different operating system that enables modification of the application program And the operating system may include, for example, Linux, Windows, and the like.

Also, each of the at least one virtual machine may be subject to a security policy corresponding to the context. For example, a business virtual machine may be subject to the security policies required to perform the task.

The situation information collecting unit 100 may collect status information which is information on the current state of the terminal 10. [ That is, the situation information collecting unit 100 can collect the situation information in cooperation with various sensors included in the terminal 10. [ For example, the situation information collecting unit 100 may collect the situation information including the location of the terminal 10 and the current time. To this end, the situation information collecting unit 100 may collect information It can work with built-in GPS module or clock.

In addition, the situation information collecting unit 100 can transmit the situation information to the hypervisor 300 through the virtual machine which is currently active. For example, when the first virtual machine 210 is in the active state, the situation information collecting unit 100 may transmit the situation information to the hypervisor 300 through the first virtual machine 210. Furthermore, the situation information collecting unit 100 may be implemented with some components of the hypervisor 300.

The hypervisor 300 controls at least one virtual machine to provide a user interface corresponding to the context information by selecting any one of the at least one virtual machine according to the context information collected by the context information collector 100 . For example, the hypervisor 300 is an apparatus that allows at least one virtual machine to operate, which is called a virtual platform or a virtual machine monitor, and may be a Xen, a Kernel-based Virtual Machine (KVM), or the like.

The configuration of the hypervisor 300 will be described in more detail with reference to FIG.

The hypervisor 300 includes a situation information receiving module 310, a virtual environment selecting module 320, and a virtual environment changing module 330.

The situation information receiving module 310 can receive the situation information collected by the situation information collecting unit 100 and deliver the received situation information to the virtual environment selection module 320. [ For example, the context information receiving module 310 may receive context information through a virtual machine that is currently active.

The virtual environment selection module 320 can select any one of the at least one virtual machine according to the received status information. That is, the virtual environment selection module 320 can select any one of the at least one virtual machine according to the status information based on the predefined virtual environment change rule. Here, the predefined virtual environment change rule may be information previously set by the user and may be information on the virtual environment to be provided to the user according to the situation information. For example, the predefined virtual environment change rule may be information generated by mapping the situation information and the virtual machine.

In detail, the virtual environment selection module 320 may analyze the received status information and select a virtual environment to be provided to the user. For example, the virtual environment selection module 320 may select a virtual machine that can implement a virtual environment to be provided to the user based on the position and current time information of the terminal 10 and the like.

The virtual environment change module 330 may control each of the at least one virtual machine to provide a user interface corresponding to the status information by activating or deactivating each of the at least one virtual machine. That is, the virtual environment change module 330 changes the state of at least a part of the virtual machines of at least one virtual machine to the suspended state or the inactive state, activates the selected virtual machine, .

In detail, the virtual environment change module 330 can automatically switch the screen of the terminal 10 while at least one virtual machine is loaded by controlling the state of each of the at least one virtual machine. That is, at least one virtual machine may be loaded or executed in the terminal 10, and the virtual environment change module 330 activates only the virtual machine selected by the virtual environment selection module 320, The screen can be switched automatically.

For example, in a state where the first virtual machine 210 and the second virtual machine 220 are loaded in the terminal 10, only the first virtual machine 210 is activated so that the first virtual machine 210 can access the terminal 10 The new situation information may be transmitted to the virtual environment selection module 320 through the context information reception module 310. [ The virtual environment selection module 320 receiving the new situation information can select the second virtual machine 220 as a virtual machine capable of providing a virtual environment suitable for new situation information. The virtual environment change module 330 activates the second virtual machine 220 while deactivating the first virtual machine 210 so that the second virtual machine 220 provides the screen of the terminal 10 can do.

In this way, the virtual environment according to the situation information can be provided to the user in real time. That is, the user does not need to manually determine the virtual environment, and the virtual environment can be provided through the automatic screen switching. Also, the user can input the command through the provided screen and receive the result according to the inputted command.

An embodiment using the terminal 10 according to an embodiment of the present invention will now be described.

For example, the first virtual machine 210 may be a general purpose machine, and the second virtual machine 220 may be a business machine.

The general-purpose machine is set to be accessible to all the Internet, and the program executable on the general-purpose machine may be a generally available program, for example, an Internet Explorer, a messenger program, or the like.

In addition, the business machine is set to disable access to the Internet, and the executable program on the business machine may be a business-required program, for example, a business computerized management system.

When the location information of the terminal 10 is the company and the current time is 9:00 am to 6:00 pm on weekdays, the second virtual machine 220, which is a business machine, can be activated. Accordingly, the second virtual machine 220 to which the security policy according to the task is applied can be activated to provide the screen to the terminal 10, and the user can perform the task through the screen provided by the second virtual machine 220 .

Although the respective components of the terminal 10 according to the embodiment of the present invention are described as being arranged in the respective constituent parts for convenience of explanation, at least two of the constituent parts may be combined into one constituent part, or one constituent part may be constituted by a plurality of constituent parts It is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

In addition, the hypervisor 300 according to the present invention can be embodied as a computer-readable program or code on a computer-readable recording medium. A computer-readable recording medium includes all kinds of recording apparatuses in which data that can be read by a computer system is stored. The computer-readable recording medium may also be distributed and distributed in a networked computer system so that a computer-readable program or code can be stored and executed in a distributed manner.

3 is a block diagram illustrating a method for automatically changing a virtual environment through screen switching according to an embodiment of the present invention.

A method for automatically changing a virtual environment through screen switching according to an embodiment of the present invention is a method for providing a virtual environment performed by a terminal (10) having at least one virtual machine, Selecting at least one virtual machine according to the collected situation information, and controlling at least one virtual machine to provide a user interface corresponding to the context information, .

In addition, a method for automatically changing a virtual environment through screen switching according to an embodiment of the present invention may be implemented by the terminal 10 described above.

The context information about the terminal 10 can be collected (S310). That is, status information including information on the position and current time of the terminal 10 can be collected.

It may be determined whether there is a virtual environment corresponding to the collected situation information (S320).

If there is no virtual environment corresponding to the collected situation information, the situation information is continuously collected again.

If there is a virtual environment corresponding to the collected status information, at least one of the virtual machines may be selected according to the status information (S330). For example, based on the predefined virtual environment change rules, one of at least one virtual machine can be selected according to the situation information.

At least one virtual machine may be controlled to provide a user interface corresponding to the context information (S340). That is, the state of at least one virtual machine of at least one virtual machine may be changed to a suspended state or an inactive state, and the selected virtual machine may be activated to allow the selected virtual machine to provide a screen to the terminal 10 (S350) .

In particular, by controlling the state of each of the at least one virtual machine, the screen of the terminal 10 can be automatically switched in a state that at least one virtual machine is loaded. For example, the terminal 10 can automatically switch the screen of the terminal 10 by activating only the selected virtual machine in a state in which at least one virtual machine is loaded or executed.

Accordingly, the user can input the command through the screen provided by the currently activated virtual machine, and receive the output corresponding to the inputted command (S360).

The apparatus and method for changing the virtual environment through the screen switching according to the embodiment of the present invention can effectively provide a virtual environment suitable for the situation information.

Especially, the convenience of the user can be increased by automatically switching the screen for providing the virtual environment according to the situation information.

In addition, it is possible to prevent problems caused by a change in the virtual environment according to an unexpected situation such as a user's erroneous setting or input.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the present invention as defined by the following claims It can be understood that

10: terminal 100: situation information collecting unit
210: first virtual machine 220: second virtual machine
300: hypervisor 310: status information receiving module
320: Virtual environment selection module 330: Virtual environment change module

Claims (16)

In a terminal providing at least one virtual environment,
At least one virtual machine;
A status information collecting unit for collecting context information about the terminal; And
And a hypervisor for controlling the at least one virtual machine to provide a user interface corresponding to the context information by selecting any one of the at least one virtual machine according to the context information collected by the context information collector Which automatically changes the virtual environment through screen switching. The method according to claim 1,
Each of the at least one virtual machine,
Wherein the terminal is independently driven to provide a screen to the terminal. The method according to claim 1,
Each of the at least one virtual machine,
And a security policy corresponding to the status information is applied to the terminal. The method according to claim 1,
The situation information collecting unit,
And collecting the status information including information on the location and the current time of the terminal. The method according to claim 1,
The situation information collecting unit,
Wherein the context information is transferred to the hypervisor through a virtual machine that is currently active. The method according to claim 1,
The hypervisor includes:
A situation information receiving module for receiving the situation information;
A virtual environment selection module for selecting any one of the at least one virtual machine according to the status information; And
And a virtual environment changing module for controlling each of the at least one virtual machine to provide a user interface corresponding to the status information by activating or deactivating each of the at least one virtual machine. To the terminal. The method of claim 6,
The virtual environment selection module includes:
Wherein the at least one virtual machine is selected according to the status information based on a predefined virtual environment change rule. The method of claim 6,
The virtual environment change module includes:
Changing a state of at least a part of virtual machines of the at least one virtual machine to a suspended state or an inactive state and activating the selected virtual machine so that the selected virtual machine provides a screen to the terminal A terminal for automatically changing a virtual environment through the terminal. The method of claim 6,
The virtual environment change module includes:
And controlling the state of each of the at least one virtual machine to automatically switch the screen of the terminal in a state that the at least one virtual machine is loaded. . A virtual environment providing method performed by a terminal having at least one virtual machine,
Collecting a context for the terminal;
Selecting any one of the at least one virtual machine according to the collected status information; And
And controlling the at least one virtual machine to provide a user interface corresponding to the status information. The method of claim 10,
Each of the at least one virtual machine,
And the screen is provided to the terminal by being driven independently of each other. The method of claim 10,
Each of the at least one virtual machine,
And a security policy corresponding to the status information is applied to the virtual environment. The method of claim 10,
The step of collecting the situation information comprises:
And the status information including information on a location and a current time of the terminal is collected. The method of claim 10,
Wherein selecting one of the at least one virtual machine comprises:
And selecting one of the at least one virtual machine according to the status information based on a predefined virtual environment change rule. The method of claim 10,
Wherein the controlling at least one virtual machine comprises:
Changing a state of at least a part of virtual machines of the at least one virtual machine to a suspended state or an inactive state and activating the selected virtual machine so that the selected virtual machine provides a screen to the terminal To change the virtual environment automatically. The method of claim 10,
Wherein the controlling at least one virtual machine comprises:
And controlling the state of each of the at least one virtual machine to automatically switch the screen of the terminal in a state that the at least one virtual machine is loaded. .
KR1020130134534A 2013-11-07 2013-11-07 Apparatus and method for automatically switching virtual environment using screen change KR20150053282A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022177327A1 (en) * 2021-02-19 2022-08-25 김덕우 Computer having transformable architecture and method of transforming virtual computers
KR20220118876A (en) * 2021-02-19 2022-08-26 김덕우 Computer Having Transformable Architecture and Method of Transforming Virtual Computers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022177327A1 (en) * 2021-02-19 2022-08-25 김덕우 Computer having transformable architecture and method of transforming virtual computers
KR20220118876A (en) * 2021-02-19 2022-08-26 김덕우 Computer Having Transformable Architecture and Method of Transforming Virtual Computers

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