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DISASTER RECOVERY DEVICE, DISASTER RECOVERY PROGRAM, ITS RECORDING MEDIUM, AND DISASTER RECOVERY SYSTEM 新技術説明会

外国特許コード F080001859
整理番号 F080001859
掲載日 2008年4月11日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2007JP054234
国際公開番号 WO 2007/111086
国際出願日 平成19年3月6日(2007.3.6)
国際公開日 平成19年10月4日(2007.10.4)
優先権データ
  • 特願2006-088020 (2006.3.28) JP
発明の名称 (英語) DISASTER RECOVERY DEVICE, DISASTER RECOVERY PROGRAM, ITS RECORDING MEDIUM, AND DISASTER RECOVERY SYSTEM 新技術説明会
発明の概要(英語) By performing master server data file backup on a plurality of client terminals connected to a master server by a communication network and distributed in various locations, it is possible to recover the data file when the master server has failed in a disaster. The disaster recovery device and system perform backup by storing the data file stored in the master server in client terminals in an idling state distributed in various locations, by using the distribution technique based on grid computing. When storing a data file in a client terminal, in order to maintain confidential state of the data file, the data file is encrypted and divided into fragments and further encrypted by using different encryption keys, after which the encrypted data are sent to different client terminals.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • Tokyo Denki University
  • Institute Of National Colleges Of Technology, Japan
  • 発明者(英語)
  • Miyaho, Noriharu
  • Suzuki, Shuichi
  • Takubo, Akio
  • Wada, Yuji
  • Ueno, Yoichiro
  • Shibata, Ryoichi
国際特許分類(IPC)
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