Abstract:
A binary XML(eXtensible Markup Language) storing method using a fast Infoset(information set) and a recovery method thereof are provided to convert an XML document into binary XML data, store the binary XML data, and recover the binary XML data into the XML document by using the fast Infoset. MOF(Meta Object Facility) data is read and compiled(S202). The compiled MOF data is performed based on XML(S203). The XML-parsed data is encoded to the binary XML data by using the fast Infoset(S204). An encoded binary XML document is stored to a binary XML repository by using a binary interface of a file system(S205). The fast Infoset reduces a size of the encoded file by using a vocabulary table assigning an index to data values appeared more than twice.
Abstract:
PURPOSE: A prefix prefetching system and a method for multimedia streaming service on the Internet are provided to continuously offer the streaming service in response to an optional position playback request of a user by dividing an area matched with a size of the original data into sectors and caching the data to a recording area of each sector. CONSTITUTION: A wide area server(300) stores the original multimedia streaming data. A local server(100) decides a ratio of the original data to be stored in a local area, and divides each sector(110) into a recording and a non-recording sector(110a,110b) after dividing the area for storing the original data into the sectors by the ratio. The local server stores the data to each recording sector by extracting the data matched with each recording sector from the original data. When the data is not present in the playback position according to the optional position playback request, the local server searches the recording sector close to a playback position, and transmits the data to the user by receiving the rest part of the original data from the wide area server after transmitting the data of the searched recording sector.
Abstract:
PURPOSE: A method for automatically and remotely installing an operating system of a LINUX-based cluster system is provided to supply a system managing method of automatically installing a LINUX operating system from a remote place in many cluster configuration hosts, thereby supporting to initially install the operating system or upgrading the system to a new version of operating system. CONSTITUTION: A client host(110) assigned with an IP address requests a file of a 'tftp' server(122) of a managing host(120)(134). The 'tftp' server(122) transmits the file(135). The client host(110) selects remote installation(136). The client host(110) requests an installation image of an NFS(Network File System) server(124)(137). The managing host(120) transmits the installation image(138). The client host(110) requests a domain name of a DNS(Domain Name Server)(125)(139). The DNS(125) transmits the domain name(140).
Abstract:
PURPOSE: An OS(Operating System) conversion method in an information processing system is provided to rapidly convert OSs and to maintain a work environment by using a standby mode for the OSs. CONSTITUTION: When power is applied to an information processing system, an OS converter is executed. When the first OS acquires an OS conversion command, the identification information of a second OS and OS conversion information are stored in a nonvolatile memory(420). The OS converter converts the first OS into the second OS when the first OS is executed as a standby mode(470). [Reference numerals] (410) Executing a first operation system; (420) Obtaining a command for switching the operation system to a second operation system; (430) Storing identification information of the second operation system and information indicating switching of the operation system; (441) Storing a restarting address of the first operation system; (443) Storing information indicating the internal condition of a processor in a memory; (445) Stopping input and output devices of the system; (450) Is the second operation system in a standby mode?; (460) Restarting the second operation system; (470) Booting the second operation system; (AA) Start; (BB) Yes; (CC) No; (DD) End
Abstract:
본 발명은 가상 인프라 시스템에서 가상 머신을 효율적으로 프로비저닝 할 수 있는 가상 머신 디스크 풀을 이용한 가상 머신 프로비저닝 방법에 관한 것이다. 이와 같은 본 발명은, 새로운 가상 머신의 생성이 필요할 경우, 가상 머신 디스크 풀에서 해당 가상 머신의 이미지를 검색하는 단계와, 상기 검색된 이미지를 이용하여 읽기 전용의 새로운 가상 머신 인스턴스를 생성하는 단계와,상기 가상 머신 인스턴스가 쓰기 작업을 수행할 데이터 영역을 상기 가상 머신 인스턴스에 마운트하는 단계를 포함하여 이루어져, 빠른 프로비저닝을 가능토록 하며, 안정적이고 낮은 비용으로 가상 머신 이미지를 관리할 수 있도록 한다. 가상 머신, 가상화, 프로비저닝(provisioning), 가상머신 디스크 풀
Abstract:
PURPOSE: A method and a device for managing workload and distributed computing system using the same are provided to assign resources as exact necessary amount, thereby preventing waste of resources from the beginning. CONSTITUTION: A policy storage unit(201) stores a system policy. An auto sensing unit(203) examines system information about workload state and resource use of a system. An automation control unit(205) distinguishes virtual node which needs resources through the system policy and the system information. The automation control unit calculates required resource amount. According to the system policy and the resource demand amount of virtual node, an auto provisioning unit(207) determines allocation and times of the resources.
Abstract:
본 발명에 따른 가상 서버 환경에서의 서비스 수준 관리 시스템은, 외부 관리자의 요청에 의해 복수의 가상 시스템을 생성하여 시스템 자원을 할당하거나 회수하여 관리하는 가상화 대상 시스템 노드와, 상기 가상화 대상 시스템 노드의 시스템 자원을 관리하고 서비스 요청에 따라 워크로드를 제어 및 관리하는 가상 시스템 관리 노드를 포함하는 점에 그 특징이 있다. 본 발명의 가상 서버 환경에서의 서비스 수준 관리 시스템 및 그 방법은, 데이터센터의 개별 서비스 각각에 대해 서비스 품질(QoS; Quality of Service)을 보장하기 위해 서비스 수준 요구사항에 따라 동적으로 시스템 자원을 제공하고 회수함으로써 자원 활용률과 서비스 가용성을 효과적으로 운용할 수 있다. 가상 시스템, 가상 시스템 관리 노드, 가상화 대상 시스템 노드