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拡張によるエンパワーメント:情報システム工学の立場から

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平成26年度 筑波大学 エンパワーメント情報学プログラム
新入生オリエンテーション
平成26年4月

Published in: Education
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拡張によるエンパワーメント:情報システム工学の立場から

  1. 1. 平成26年度 エンパワーメント情報学プログラム 新入生オリエンテーション ! 「拡張」によるエンパワーメント ー分散情報システム工学の立場からー ! 加藤和彦 筑波大学大学院 システム情報工学研究科
 コンピュータサイエンス専攻 ! 2014年4月8日
  2. 2. 2 The Fun Stuff Us Infrastructure Services Application Services Operations Services Business Services YouUs The Fun Stuff Infrastructure Services Network Storage Operating System Database App Server Web Server Data Center Disaster Recovery Application Services Security Sharing Integration Customization Web Services API Multi-Language Multi-Currency Workflow Analytics Multi-Device Messaging Search Operations Services Authentication Availability Monitoring Patch Mgmt Upgrades Backup NOC Business Services Ordering Provisioning Licensing Billing Renewal Upgrades Marketing Sales You Before After Salesforce.com Effect of Cloud Computing
  3. 3. 3 The Fun Stuff Us Infrastructure Services Application Services Operations Services Business Services YouUs The Fun Stuff Infrastructure Services Network Storage Operating System Database App Server Web Server Data Center Disaster Recovery Application Services Security Sharing Integration Customization Web Services API Multi-Language Multi-Currency Workflow Analytics Multi-Device Messaging Search Operations Services Authentication Availability Monitoring Patch Mgmt Upgrades Backup NOC Business Services Ordering Provisioning Licensing Billing Renewal Upgrades Marketing Sales You Before After 分散情報システム工学 Effect of 「拡張」
  4. 4. Virtual Machine Monitor 4 仮想マシン (VM: Virtual Machine) 仮想マシン (VM: Virtual Machine) Hardware Virtual Machine Virtual Machine Monitor Guest OS Hardware Physical Machine OS
  5. 5. ゲストOS Device Device Driver 拡張機能 セキュアVM BitVisor • I/Oを暗号化する ! ➢ストレージI/Oを捕捉・暗号化 pATA/ATAPI 及び USB1.1/2.0を捕捉 pAES-XTSで暗号化 ! ➢ネットワークI/Oを捕捉・暗号化 pNIC(Intel PRO 100/1000)を捕捉 pIPSecでVPN接続 ! ➢ICカードで鍵管理・認証 pUSB接続のカードリーダにアクセス pPC/SC, CCIDプロトコル 5 ATA NIC USB ストレージ管理 ネットワーク管理 ID管理 Device Mediator ATA NIC USB ATA NIC USB セキュアVM VMM ハードウェア
  6. 6. Utilization of BitVisor •System file protection of guest OS •Intrusion detection system within VMM •OS-independent network-booting •Transparent VPN switching •etc. 6
  7. 7. Transparent VPN Switching (1/2) 7 Pong Ping  (periodical) Cloud Client ServersPacket  switching VPN  GW2 VPN  GW1 NIC Application OS VMM SwitchingFailure  detec. IP  layer VPN  layer
  8. 8. Transparent VPN Switching (2/2) 8 Pong Ping  (periodical) Cloud Client ServersPacket  switching VPN  GW2 VPN  GW1 NIC Application OS VMM SwitchingFailure  detec. IP  layer VPN  layer
  9. 9. Dependable Cloud Computing Developing infrastructural software for cloud computing with servers, client, and network. 9 Dependability: Reliability, Availability, Response, Throughput, Security, Failure Guest OS BitVisor Hardware Servers (in several data centers)NetworkClients Internet
  10. 10. Robots and Cloud Computing (1/2) 10http://spectrum.ieee.org/robotics/humanoids/robots-with-their-heads-in-the-clouds Erico Guizzo, Robots with Their Heads in the Clouds, ! IEEE Spectrum, Mar. 2011 Program code for a robot will be downloaded on demand from clouds, like a famous cinema, Matrix.
  11. 11. Robots and Cloud Computing (2/2) 11 On-demand code downloading Internet Server Real world Code Dynamic information synthesis Internet Real world Server A Server B Sensors Code Knowledge Cloud Robotics
  12. 12. 教育クラウド室 クラウドサーバー ネットワーク 視聴(ビデオオンデマンド) 自動配信 遠隔制御 教育クラウド室   各支援室 ①初期ファイル登録   ②収録スケジュール登録 ③録画開始・停止指示 ④コンテンツ登録 ⑤VOD配信 「拡張」による教育支援 ゼロエフォート 自動動画収録配信システム ・学期の開始時に管理者が一学期分のスケジュール予約 ・各教員は ゼロエフォート で授業収録。
 スクリーン投影画像も板書も音声も。 ・視聴時に画面を「編集」可能(ズーム、パン) LMS(manaba)連携   (朝日ネット社) 全学約40教室に整備 自動収録

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