{"updated":"2025-01-22T02:26:07.105367+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00062819","sets":["1164:1867:1868:5731"]},"path":["5731"],"owner":"10","recid":"62819","title":["iSCSI遠隔ストレージアクセスにおけるパケット送信処理のカーネルモニタを用いた動作解析"],"pubdate":{"attribute_name":"公開日","attribute_value":"2009-07-29"},"_buckets":{"deposit":"d0608a91-b00c-4401-99e4-886b6bdf64d5"},"_deposit":{"id":"62819","pid":{"type":"depid","value":"62819","revision_id":0},"owners":[10],"status":"published","created_by":10},"item_title":"iSCSI遠隔ストレージアクセスにおけるパケット送信処理のカーネルモニタを用いた動作解析","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"iSCSI遠隔ストレージアクセスにおけるパケット送信処理のカーネルモニタを用いた動作解析"},{"subitem_title":"Analysis of process of transmission of iSCSI remote storage access with kernel monitor","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"カーネル","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2009-07-29","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"お茶の水女子大学"},{"subitem_text_value":"ソフトバンクテレコム株式会社"},{"subitem_text_value":"ソフトバンクテレコム株式会社"},{"subitem_text_value":"工学院大学"},{"subitem_text_value":"お茶の水女子大学"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"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/62819/files/IPSJ-OS09112013.pdf"},"date":[{"dateType":"Available","dateValue":"2011-07-29"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-OS09112013.pdf","filesize":[{"value":"653.0 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"11"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"84ed4179-59d2-44f8-8133-2bf82222af54","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2009 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"比嘉, 玲華"},{"creatorName":"松原, 幸助"},{"creatorName":"岡廻, 隆生"},{"creatorName":"山口, 実靖"},{"creatorName":"小口, 正人"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Reika, Higa","creatorNameLang":"en"},{"creatorName":"Kosuke, Matsubara","creatorNameLang":"en"},{"creatorName":"Takao, Okamawari","creatorNameLang":"en"},{"creatorName":"Saneyasu, Yamaguchi","creatorNameLang":"en"},{"creatorName":"Masato, Oguchi","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10444176","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"iSCSI は複雑な階層構造を持つため，性能を向上させるためには複数の層にまたがる最適化を行う必要がある．iSCSI パラメータの最適化等を行ったところ，一定の性能向上は達成できたものの，高遅延環境においてはまだなお大きな性能低下が確認された．そこで本研究においては，パケット解析および輻輳ウィンドウ解析，ソケットバッファ解析，カーネルのログ解析を行い，その結果に基づいて，iSCSI 遠隔ストレージアクセスにおける性能劣化の原因を検討する．特に遠隔 iSCSI アクセス時に観察される断続的なパケット送出に関して，そのカーネル内部における振舞を詳細に解析し，原因についての考察を行う．","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"iSCSI has a complex hierarchical structure, SCSI over TCP/IP over Ethernet. Therefore, for the purpose of getting the better performance of iSCSI, optimization through multiple layers is required. iSCSI remote storage access has been optimized with iSCSI parameters. However, in the case of long latency, drastic performance deterioration has still been observed. Thus, in this paper, we have monitored packets, parameters in the kernels including TCP congestion window and socket buffer. Based on the results, we have analyzed the factor of iSCSI performance deterioration.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"9","bibliographic_titles":[{"bibliographic_title":"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）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2009-07-29","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"13","bibliographicVolumeNumber":"2009-OS-112"}]},"relation_version_is_last":true,"weko_creator_id":"10"},"created":"2025-01-18T23:24:42.051989+00:00","id":62819,"links":{}}