{"updated":"2025-01-19T16:41:25.332197+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00106342","sets":["6394:7388:7396"]},"path":["7396"],"owner":"13","recid":"106342","title":["信頼性モデルを用いた遠隔クラウド環境の設計手法の提案"],"pubdate":{"attribute_name":"公開日","attribute_value":"2014-10-15"},"_buckets":{"deposit":"adfd6d4c-adb0-4d4a-8e1f-13638e6903e9"},"_deposit":{"id":"106342","pid":{"type":"depid","value":"106342","revision_id":0},"owners":[13],"status":"published","created_by":13},"item_title":"信頼性モデルを用いた遠隔クラウド環境の設計手法の提案","author_link":["10645","10644","10643"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"信頼性モデルを用いた遠隔クラウド環境の設計手法の提案"}]},"item_type_id":"21","publish_date":"2014-10-15","item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_21_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東日本電信電話（株）"},{"subitem_text_value":"日本電信電話（株）"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/106342/files/IPSJ-DP0504014.pdf","label":"IPSJ-DP0504014"},"date":[{"dateType":"Available","dateValue":"2021-12-07"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-DP0504014.pdf","filesize":[{"value":"1.6 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"0","billingrole":"5"},{"tax":["include_tax"],"price":"0","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"7ae2fcf1-04b4-4ede-9b8f-59a76139c483","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2014 by the Information Processing Society of Japan"}]},"item_21_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"樋渡, 仁"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"吉川, 美奈子"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"岩村, 相哲"}],"nameIdentifiers":[{}]}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_6501","resourcetype":"journal article"}]},"item_21_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA1245124X","subitem_source_identifier_type":"NCID"}]},"item_21_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-4390","subitem_source_identifier_type":"ISSN"}]},"item_21_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"遠隔拠点にあるクラウドコンピューティング環境（以下，単にクラウド環境）を構築・運用していく上で，装置の故障・障害にどのように対処するかは，運用コストの最小化において重要である．特に，遠隔拠点に作業員が常駐せず定期的に現地を訪問し保守作業する前提では，構築時に系全体に冗長性を持たせ，装置の故障・障害が発生した場合には，遠隔から現用系より待機系に切り替えることで，当該装置の修理・復旧は現地での定期保守時に行う運用が典型的である．このような遠隔クラウド環境の設計では，構築時に系全体が保持する信頼度に対し，定期保守回数を最小化する必要があり，本論文は，クラウド環境の信頼性モデルにより，運用コストが最小化された設計を実現できることを示す．特に，クラウド環境の立ち上げ時には，サーバの故障率が，故障率曲線における初期故障期から偶発故障期へ至る過程で大きく変動するため，本手法の適用においては，定期保守の間隔を初期故障期と偶発故障期で使い分けることが有用であることを示す．","subitem_description_type":"Other"}]},"item_21_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"332","bibliographic_titles":[{"bibliographic_title":"デジタルプラクティス"}],"bibliographicPageStart":"325","bibliographicIssueDates":{"bibliographicIssueDate":"2014-10-15","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicVolumeNumber":"5"}]},"relation_version_is_last":true,"item_21_alternative_title_2":{"attribute_name":"その他タイトル","attribute_value_mlt":[{"subitem_alternative_title":"一般投稿論文"}]},"weko_creator_id":"13"},"created":"2025-01-18T23:49:45.714609+00:00","id":106342,"links":{}}