Abstract: Disclosed herein are a method and apparatus for virtual desktop service. The apparatus includes a connection manager configured to perform an assignment task of assigning a virtual machine to a user terminal using virtual desktop service, a resource pool configured to allocate software resources to a virtual desktop, wherein the software resources include an OS, applications, and user profiles, and a virtual machine infrastructure configured to support hardware resources including a CPU and a memory, wherein the connection manager is configured to perform a coordination task of coordinating a delivery protocol used between the user terminal and servers that provide the virtual desktop service, wherein the resource pool has a management function, wherein the management function is based on usage pattern information about a user's average usage of resources, and wherein the management function uses a physical distance on network from the user terminal to a server.

Abstract: Disclosed herein are an apparatus and method for in-memory-based virtual desktop service. The apparatus for in-memory-based virtual desktop service includes a connection broker for performing a task for coordinating a delivery protocol that is used between at least one user terminal that uses virtual desktop service and multiple servers that provide the virtual desktop service, a resource pool for providing software resources including an Operating System (OS) for the virtual desktop service; and virtual machine infrastructure for supporting hardware resources, and dynamically allocating software stored in the software resources to the hardware resources.

Abstract: Disclosed herein is an in-memory virtual desktop system, which stores a virtual desktop image in main memory in order to prevent a load from being concentrated on a disk, and operates a virtual desktop using the virtual desktop image. The disclosed system includes an in-memory virtual desktop system, including hardware including main memory for storing virtual desktop images, and a hypervisor for virtualizing resources of the hardware and providing virtualized resources to a virtual desktop.

Abstract: An apparatus and method for high-speed data transmission between virtual desktops are disclosed herein. The apparatus for high-speed data transmission between virtual desktops includes a reception unit, a destination determination unit, and a transmission unit. The reception unit receives data that is transmitted by virtual desktop servers inside a virtual desktop host server. The destination determination unit determines whether the destination of the data is the inside of the host server or the outside of the host server based on network identifiers set for the respective virtual desktop servers. The transmission unit sets up a data transmission method based on the destination of the data, and transmits the data using the transmission method.

Abstract: Disclosed herein are an apparatus and method for virtual desktop service. The apparatus for virtual desktop service includes a connection broker for performing a task for coordinating a delivery protocol that is used between at least one user terminal that uses virtual desktop service and multiple servers that provides the virtual desktop service, a resource pool for providing software resources including an Operating System (OS) for the virtual desktop service, and virtual machine infrastructure for supporting hardware resources.

Abstract: Disclosed is a virtual desktop service method. The virtual desktop service method includes configuring and measuring users and resources according to predetermined criteria, copying operating system files and data files to be provided to the users before use request, receiving request to use a virtual machine from any one of the users and performing user authentication and work approval, and providing an operating system file and a data file of the any one of the users, among the copied operating system files and data files, to the any one of the users according to the use request to transmit a virtual desktop environment. Consequently, the virtual desktop service method performs a service to provide a virtual machine to a user in real time.

Abstract: Disclosed is a multi-point connection control apparatus and method for a video conference service. The apparatus may include a front end processor configured to receive video streams and audio streams from user terminals of participants using the video conference service, and generate screen configuration information for providing the video conference service based on the received video streams and the received audio streams, and a back end processor configured to receive at least one of the video streams, at least one of the audio streams, and the screen configuration information from the front end processor, and generate a mixed video for the video conference service based on the received at least one of the video streams, at least one of the audio streams, and the screen configuration information.

Abstract: Provided is a virtual desktop service, and disclosed is a system for providing a server virtual machine, including: a client configured to receive allocation of a virtual machine for using a virtual desktop service; a connection broker configured to control a type of virtual machine to be allocated to be classified according to user terminal registration information of the client, any one operation server to be selected among a plurality of operation servers, and the virtual machine to be allocated; the plurality of operation servers configured to provide the client with a virtual machine under a control of the connection broker; and a shared storage configured to store data related to the client for providing the virtual machine, and provide the stored data to the operation servers, a method of providing a server virtual machine, and a server device supporting the same.

Abstract: An apparatus and method for high-speed data transmission between virtual desktops are disclosed herein. The apparatus for high-speed data transmission between virtual desktops includes a reception unit, a destination determination unit, and a transmission unit. The reception unit receives data that is transmitted by virtual desktop servers inside a virtual desktop host server. The destination determination unit determines whether the destination of the data is the inside of the host server or the outside of the host server based on network identifiers set for the respective virtual desktop servers. The transmission unit sets up a data transmission method based on the destination of the data, and transmits the data using the transmission method.

Abstract: Disclosed herein are a method and apparatus for virtual desktop service. The apparatus includes a connection manager configured to perform an assignment task of assigning a virtual machine to a user terminal using virtual desktop service, a resource pool configured to allocate software resources to a virtual desktop, wherein the software resources include an OS, applications, and user profiles, and a virtual machine infrastructure configured to support hardware resources including a CPU and a memory, wherein the connection manager is configured to perform a coordination task of coordinating a delivery protocol used between the user terminal and servers that provide the virtual desktop service, wherein the resource pool has a management function, wherein the management function is based on usage pattern information about a user's average usage of resources, and wherein the management function uses a physical distance on network from the user terminal to a server.

Abstract: Disclosed herein are an apparatus and method for in-memory-based virtual desktop service. The apparatus for in-memory-based virtual desktop service includes a connection broker for performing a task for coordinating a delivery protocol that is used between at least one user terminal that uses virtual desktop service and multiple servers that provide the virtual desktop service, a resource pool for providing software resources including an Operating System (OS) for the virtual desktop service; and virtual machine infrastructure for supporting hardware resources, and dynamically allocating software stored in the software resources to the hardware resources.

Abstract: Disclosed herein are an apparatus and method for virtual desktop service. The apparatus for virtual desktop service includes a connection broker for performing a task for coordinating a delivery protocol that is used between at least one user terminal that uses virtual desktop service and multiple servers that provides the virtual desktop service, a resource pool for providing software resources including an Operating System (OS) for the virtual desktop service, and virtual machine infrastructure for supporting hardware resources.

Abstract: A system and method for supporting the execution of an application based on a multi-platform are disclosed. The system for supporting the execution of an application based on a multi-platform includes a service server and a service center. The service server provides a virtual platform for executing an application based on a multi-platform. The virtual platform corresponds to virtual platform selection information from a service client. The service center provides an application based on a heterogeneous operating system (OS) based on installation-desired application selection information from the service client.

Abstract: A profile management method and apparatus for the running of a virtual desktop in a heterogeneous server are disclosed herein. The profile management method for the running of a virtual desktop in a heterogeneous server, includes: assigning any optimum one of a plurality of operating servers that will run a virtual desktop; comparing a plurality of hardware profiles corresponding to the plurality of operating servers with a target hardware profile corresponding to the optimum operating server; if the target hardware profile is not present among the plurality of hardware profiles, generating a virtual desktop running profile for the running of the virtual desktop based on the target hardware profile; and sharing the virtual desktop running profile, as well as at least one profile required for the running of the virtual desktop, with the optimum operating server so that the optimum operating server runs the virtual desktop.

Abstract: An apparatus and method for controlling the power of a virtual desktop client in an integrated manner are disclosed herein. The apparatus includes a monitor power detection unit, a switch control unit, a power conversion unit, and a power supply unit. The monitor power detection unit detects whether power is supplied to a monitor. The switch control unit controls a client power switch for supplying power to a virtual desktop client terminal corresponding to the monitor based on the result of the detection. The power conversion unit converts the electric current of the power. The power supply unit supplies the virtual desktop client terminal with the power whose electric current has been converted such that the virtual desktop client terminal boots up an operating system and executes a virtual desktop client program.

Abstract: An apparatus and method for providing an adaptive virtual desktop operating system (OS) service is provided. The method for providing an adaptive virtual desktop OS service in a virtual OS service platform server, which provides a virtual OS service platform service suitable for a terminal connected through a network, includes collecting and analyzing environmental information including at least one among hardware specification information, computing resource information, and network traffic information of the terminal, computing resource information of a guest OS operated in a virtual machine generated by the virtual OS service platform server; determining an environmental setting factor for structuring a user interface (UI) suitable for the terminal with respect to the virtual machine based on the analyzed result; and adaptively generating or changing a UI of the virtual OS service platform provided to the terminal based on the determined environmental setting factor.

Abstract: Disclosed herein is an in-memory virtual desktop system, which stores a virtual desktop image in main memory in order to prevent a load from being concentrated on a disk, and operates a virtual desktop using the virtual desktop image. The disclosed system includes an in-memory virtual desktop system, including hardware including main memory for storing virtual desktop images, and a hypervisor for virtualizing resources of the hardware and providing virtualized resources to a virtual desktop.

Abstract: Disclosed herein are a method and architecture capable of efficiently providing virtual desktop service. A service architecture for virtual desktop service according to the present invention includes a connection broker configured to perform authentication, manage virtual machines, and perform a server monitoring and protocol coordination function, a resource pool configured to manage software resources that are delivered to a specific virtual machine in a streaming form on a specific time in order to provide on-demand virtual desktop service and are executed on the specific virtual machine and to provide provision information about the managed software resources in response to a request from the connection broker, and a virtual machine infrastructure configured to support hardware resources, generate virtual machines in which the software of a user terminal is executed, and provide the generated virtual machine as virtual desktops.

Abstract: Provided herein is a platform application service of a virtual desktop using virtualization technology, and more particularly, a virtual desktop providing method and virtual desktop providing server that support a lightweight protocol technology so that a virtual desktop service may be used smoothly even where a network environment is poor when providing a virtual desktop service, the virtual desktop providing method including collecting state information of a client terminal being received from the client terminal and state information of the virtual desktop providing server; determining an environment factor for a virtual desktop of the client terminal based on the state information of the client terminal and the state information of the virtual desktop providing server; and applying the environment factor and controlling the virtual desktop being serviced to the client terminal.

Abstract: Provided is a method of providing a virtual machine image file in a cloud computing-based virtual desktop infrastructure. This method includes moving a golden image, an initial image provided from a shared storage, to a virtual machine driving server, converting the golden image into an image of a copy-on-write file format, and storing the same in a cache; allocating the converted virtual machine image to a virtual machine, and storing images of each virtual machine in the shared storage and managing the same to recover a virtual desktop when a disaster occurs. The method includes generating only data changed by the virtual machine, as a virtual machine image file, and managing the same, and hierarchically configuring a virtual machine image file based on a base image and storing the same in a cache memory in order to increase a loading rate of the virtual machine image file including the base image-based virtual machine image file.