Abstract: Disclosed herein are apparatus and method for validating service control status. The apparatus for validating service control status includes a service control request unit for requesting control of a service from a computing system, a service control status checking period generation unit for generating a service control status checking period in order to check completion of the service control, and a service control status checking communication unit for performing service control status checking communication with the computing system based on the service control status checking period.

Abstract: A micro server based on a fabric server is provided. The micro server includes a plurality of computing modules, a first switching module configured to connect the plurality of computing modules through a fabric network based on Ethernet, a plurality of converters respectively connected to the plurality of computing modules, and a second switching module connected to the plurality of converters through a fabric network based on peripheral component interface (PCI) express.

Abstract: A processing unit, and an in-memory data processing apparatus. The in-memory data processing apparatus includes a memory storing data at a determined location, a plurality of selector units selecting a data set to be used for an operation from among the stored data, and a plurality of processing units performing the operation using an instruction set sequentially received from an outside and the selected data set.

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: 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 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: 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: Provided are a data transmission apparatus and method for transmitting data in a Delay-Insensitive (DI) data transmission method supporting a handshake protocol. The data transmission apparatus includes a sender which outputs a binary-valued logic signal based on binary-valued logic, and an encoder which encodes the binary-valued logic signal input through input wires into a multi-valued logic signal based on multi-valued logic and transmits the encoded multi-valued logic signal to a decoder through output wires. Here, the encoder includes a mapping table which stores input variables including the number of input wires and the number of output wires smaller than the number of input wires and the multi-valued logic signal corresponding to the input variables, and encodes the binary-valued logic signal into the multi-valued logic signal with reference to the mapping table.

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: Disclosed are an asynchronous pipeline system, a stage, and a data transfer mechanism. The asynchronous pipeline system having a plurality of stages based on a 4-phase protocol, includes: a first stage among the plurality of stages; and a second stage among the plurality of stages connected next to the first stage, wherein the first stage transmits and the second receives bundled data and control data through an always bundled data channel and on-demand data through an on-demand data channel according to need of the second stage.

Abstract: Provided are a data transmission apparatus and method for transmitting data in a Delay-Insensitive (DI) data transmission method supporting a handshake protocol. The data transmission apparatus includes a sender which outputs a binary-valued logic signal based on binary-valued logic, and an encoder which encodes the binary-valued logic signal input through input wires into a multi-valued logic signal based on multi-valued logic and transmits the encoded multi-valued logic signal to a decoder through output wires. Here, the encoder includes a mapping table which stores input variables including the number of input wires and the number of output wires smaller than the number of input wires and the multi-valued logic signal corresponding to the input variables, and encodes the binary-valued logic signal into the multi-valued logic signal with reference to the mapping table.

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.

Abstract: The present invention relates to a method and an architecture capable of efficiently providing a virtual desktop service. The service architecture for the virtual desktop service includes a connection broker for performing the management of virtual machines, a server monitoring function, and a protocol coordination function. A resource pool is configured to manage software resources that are transferred to a specific virtual machine in a streaming form at a predetermined time and that are executed on the specific virtual machine and to provide provision information about the managed software resources at the request of the connection broker, in order to provide an on-demand virtual desktop service. A virtual machine infrastructure is configured to support hardware resources, generate virtual machines in which the software of the user terminal is operated, and provide the virtual machines as virtual desktops.

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: 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: A method and an apparatus for providing a virtual desktop service to provide an optimal virtual desktop service in accordance with distances between virtualization servers and a user are provided. A virtual desktop service suitable for a request of the user is provided to the user so that loads of servers may be dispersed and power usage of the servers may be minimized. That is, in an environment where the virtualization servers that provide the virtual desktop service are locally dispersed, the virtual machines may be allocated to a virtualization server with a shortest network delay based on network distances from the virtualization servers to the user. In addition, after a server power usage amount is predicted in accordance with a virtual machine usage type of the user, a virtualization server may be selected in accordance with the prediction result.

Abstract: A method and apparatus for recovering the failed disk of a virtual machine in a virtualization system are disclosed. The apparatus includes a system performance analysis unit, a failed disk recovery unit, and a disk exchange unit. The system performance analysis unit calculates recovery resources, that is, network and disk I/O bandwidths, to be assigned to the recovery of a failed disk by analyzing the performance of the virtualization system. The failed disk recovery unit performs the discovery of the failed disk by recovering a copy disk, that is, a copy of the failed disk, using a mandatory disk stored in the virtualization system while ensuring the performance of virtual machines based on the recovery resources. The disk exchange unit deletes the failed disk and assigns the recovered copy disk to a virtual machine corresponding to the failed disk.

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.