{"created":"2023-05-15T15:25:26.687049+00:00","id":13079,"links":{},"metadata":{"_buckets":{"deposit":"082ed5e2-caa6-4bd8-9547-97074b70e925"},"_deposit":{"created_by":3,"id":"13079","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"13079"},"status":"published"},"_oai":{"id":"oai:sucra.repo.nii.ac.jp:00013079","sets":["94:426"]},"author_link":["20974","18306","20975"],"item_119_alternative_title_1":{"attribute_name":"タイトル（別言語）","attribute_value_mlt":[{"subitem_alternative_title":"Server Selection Mechanism with Pluggable Selection Policies"}]},"item_119_biblio_info_8":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2001","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"9","bibliographicPageEnd":"1403","bibliographicPageStart":"1396","bibliographicVolumeNumber":"J84-D1","bibliographic_titles":[{"bibliographic_title":"電子情報通信学会論文誌. D-I, 情報・システム, I-情報処理"}]}]},"item_119_date_31":{"attribute_name":"作成日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2008-01-30","subitem_date_issued_type":"Created"}]},"item_119_description_19":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"インターネット上の多くのサービス提供者は, サービスの混雑を避けるために複数のサーバを用いてサービスを提供している.このような環境で, クライアントがどのサーバを選ぶかという問題が生じてきている.そこで, 最適なサーバを自動的に選択するサーバ選択機構が必要となった.本論文では, まずサーバ選択機構への要求事項をまとめ, それらを満たす新たなサーバ選択機構を提案する.本機構はDNS(Domain Name System)を基盤とすることで幅広い適用性をもちつつ, 多様なサーバ選択ポリシーを組込み可能としたものである.これらのサーバ選択ポリシーは, ラウンドトリップタイムなどのネットワーク状態を用いた判断を行うことも可能である.動的に選択ポリシーの切換を可能とすることで, 様々な状況に対応可能となる.我々は, プロトタイプシステムを用いて, 広域に分散配置したサーバ群を対象に評価実験を行い, 本サーバ選択機構の有効性を示した.","subitem_description_type":"Abstract"}]},"item_119_description_21":{"attribute_name":"注記","attribute_value_mlt":[{"subitem_description":"copyright(c)2001 \nIEICE許諾番号：08RB0010　\nhttp://search.ieice.org/index.html","subitem_description_type":"Other"}]},"item_119_description_29":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"subitem_description":"text","subitem_description_type":"Other"}]},"item_119_description_30":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_119_publisher_11":{"attribute_name":"出版者名","attribute_value_mlt":[{"subitem_publisher":"社団法人電子情報通信学会"}]},"item_119_source_id_14":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"09151915","subitem_source_identifier_type":"ISSN"}]},"item_119_text_27":{"attribute_name":"版","attribute_value_mlt":[{"subitem_text_value":"[出版社版]"}]},"item_119_text_3":{"attribute_name":"著者 ローマ字","attribute_value_mlt":[{"subitem_text_value":"SHIMOKAWA, Toshihiko"},{"subitem_text_value":"YOSHIDA, Norihiko"},{"subitem_text_value":"USHIJIMA, Kazuo"}]},"item_119_text_32":{"attribute_name":"アイテムID","attribute_value_mlt":[{"subitem_text_value":"A1002356"}]},"item_119_text_4":{"attribute_name":"著者 所属","attribute_value_mlt":[{"subitem_text_value":"&EMPTY&"},{"subitem_text_value":"長崎大学工学部"}]},"item_119_text_5":{"attribute_name":"著者 所属(別言語)","attribute_value_mlt":[{"subitem_text_value":"&EMPTY&"},{"subitem_text_value":"Faculty of Engineering, Nagasaki University"}]},"item_119_text_9":{"attribute_name":"年月次","attribute_value_mlt":[{"subitem_text_value":"2001-9"}]},"item_119_version_type_28":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"下川, 俊彦"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"吉田, 紀彦"},{"creatorName":"ヨシダ, ノリヒコ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"牛島, 和夫"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2018-01-24"}],"displaytype":"detail","filename":"A1002356.pdf","filesize":[{"value":"315.4 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"A1002356.pdf","url":"https://sucra.repo.nii.ac.jp/record/13079/files/A1002356.pdf"},"version_id":"1a75d398-cf28-4cf8-9594-e3d16ed87bc3"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"インターネット","subitem_subject_scheme":"Other"},{"subitem_subject":"サーバ選択","subitem_subject_scheme":"Other"},{"subitem_subject":"リクエストナビゲーション","subitem_subject_scheme":"Other"},{"subitem_subject":"選択ポリシー","subitem_subject_scheme":"Other"},{"subitem_subject":"広域分散システム","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"多様な選択ポリシーを利用可能なサーバ選択機","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"多様な選択ポリシーを利用可能なサーバ選択機"}]},"item_type_id":"119","owner":"3","path":["426"],"pubdate":{"attribute_name":"公開日","attribute_value":"2008-01-30"},"publish_date":"2008-01-30","publish_status":"0","recid":"13079","relation_version_is_last":true,"title":["多様な選択ポリシーを利用可能なサーバ選択機"],"weko_creator_id":"3","weko_shared_id":-1},"updated":"2023-05-16T12:41:32.679709+00:00"}