複数OS環境におけるOS切替え方式 A Method for Switching Multiple Real Machine Environments on a Single System

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計算機を用いたサービスを実現する上で,一つのプロセッサの上に二つのOSを同時に走行させる技術の有用性が注目されている.しかし,既存の方式には,主となる一つのOSの停止が,計算機全体のシステムダウンとなる問題が残る.そこで我々は,これらの問題を解決する構成法を提案し,検討を進めている.ここでは,この構成法の課題の一つであるOS切替え方式について述べる.提案する方式は,割込みを契機にCPUの使用権を切替える方式であり,切替える直前のOSの状態に依存しないことを特徴とする.また,一方のOSが管理するハードウェア資源を他方のOSと共有する方式を述べる.Due to the dramatic growth of average PCs, virtual machine software for running multiple operating systems on a single system has become popular, today. Existing virtual machine softwares are built on the similar concept of the conventional VM, which has dependence of child operating systems on their mother VM. This fact causes some problems such as performance limitation and collective security. In other words, accidental stop of the mother operating system leads to the corruption of the whole family. We have been research on the new framework for solving these problems. As a key technology of the framework, this paper describes a method for switching operating system from one to another safely. Under the method, the trigger of switching is a hardware interrupt which has no dependence on any operating system. Also we propose a method for sharing hardware resource among the coexistent operating systems.

Due to the domestic growth of average PCs. virtual machine software for running multiple operating systems on a single system has become popular, today. Existing visual machine softwares are built on the similar concept of the conventional VM, which has dependence of child operating systems on their mother VM. This fact causes some problems such as performance limitation and collective security. In other works, accidental stop of the mother operating system leads to the corruption of the whole family. We have been research on the new formwork for solving these problems. As a key technology of the formwork, This paper describes a method for switching operating system from one to another safely. Under the method, the trigger of switching is a hardware interrput which has no dependence on any operating system. Also we propose 3 method for sharing hardware resource among the coexistent operating systems.

収録刊行物

  • 情報処理学会研究報告システムソフトウェアとオペレーティング・システム(OS)

    情報処理学会研究報告システムソフトウェアとオペレーティング・システム(OS) 2003(19(2002-OS-092)), 23-30, 2003-02-27

    一般社団法人情報処理学会

参考文献:  3件中 1-3件 を表示

被引用文献:  1件中 1-1件 を表示

各種コード

  • NII論文ID(NAID)
    110002913873
  • NII書誌ID(NCID)
    AN10444176
  • 本文言語コード
    JPN
  • 資料種別
    Technical Report
  • ISSN
    09196072
  • NDL 記事登録ID
    6496236
  • NDL 雑誌分類
    ZM13(科学技術--科学技術一般--データ処理・計算機)
  • NDL 請求記号
    Z14-1121
  • データ提供元
    CJP書誌  CJP引用  NDL  NII-ELS  IPSJ 
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