{"updated":"2025-01-22T15:04:22.304189+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00034682","sets":["1164:2836:2870:2871"]},"path":["2871"],"owner":"1","recid":"34682","title":["アプリケーションレベルマルチキャストEmmaの性能向上に関する検討"],"pubdate":{"attribute_name":"公開日","attribute_value":"2002-11-21"},"_buckets":{"deposit":"400aa7fa-8099-499f-a2c0-6eb661ddc7cf"},"_deposit":{"id":"34682","pid":{"type":"depid","value":"34682","revision_id":0},"owners":[1],"status":"published","created_by":1},"item_title":"アプリケーションレベルマルチキャストEmmaの性能向上に関する検討","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"アプリケーションレベルマルチキャストEmmaの性能向上に関する検討"},{"subitem_title":"Improving Robustness of Application Layer Multicast Protocol Emma","subitem_title_language":"en"}]},"item_type_id":"4","publish_date":"2002-11-21","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"大阪大学大学院情報科学研究科"},{"subitem_text_value":"大阪大学大学院基礎工学研究科"},{"subitem_text_value":"大阪大学大学院情報科学研究科"},{"subitem_text_value":"奈良先端技術大学院大学情報科学研究科"},{"subitem_text_value":"大阪大学大学院情報科学研究科"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Graduate School of Information Science and Technology, Osaka University","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of Engineering Science, Osaka University","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of Information Science and Technology, Osaka University","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of Information Science, Nara Institute of Science and Technology","subitem_text_language":"en"},{"subitem_text_language":"en"}]},"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/34682/files/IPSJ-DPS02110002.pdf"},"date":[{"dateType":"Available","dateValue":"2004-11-21"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-DPS02110002.pdf","filesize":[{"value":"136.0 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":"34"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"c294a4a4-99dd-4e7a-8d8d-7bea19313a15","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2002 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"中村, 嘉隆"},{"creatorName":"廣森聡仁"},{"creatorName":"山口, 弘純"},{"creatorName":"安本, 慶一"},{"creatorName":"東野, 輝夫"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Yoshitaka, Nakamura","creatorNameLang":"en"},{"creatorName":"Akihito, Hiromori","creatorNameLang":"en"},{"creatorName":"Hirozumi, Yamaguchi","creatorNameLang":"en"},{"creatorName":"Keiichi, Yasumoto","creatorNameLang":"en"},{"creatorName":"Teruo, Higashino","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10116224","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":"本稿では，電子会議などエンドホスト間で実時間ビデオを交換するグループアプリケーション向けのアプリケーションレベルマルチキャストプロトコルEmma の性能向上，特に安定性の向上に関する検討及び性能評価を行う．Emma は，エンド間ユニキャストからなるオーバレイネットワーク上にメディア配信木を構築し，エンドホストの帯域制約のもとで，ユーザ満足度がなるべく満たされるよう，オーバレイリンク上のビデオ転送制御を動的に完全分散制御で行う．このEmma の安定性向上のために，エンドホストの離脱に対し既存のビデオ配信をなるべく維持するための機能をEmma の分散制御を損わない形で追加した．シミュレーション実験を行った結果，エンドホストの参加，離脱が繰り返された後でも，ユーザ満足度を維持できていることがわかった.","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"In this paper, we add a new functionality to an application level multicast protocol called Emma, designed for audio/video multi-party applications, in order to improve the robustness. In Emma, source-based trees for media distribution are constructed on an overlay network where the end-hosts have direct connections between them. Video packet forwarding is dynamically controlled in a distributed manner, so that user preference can be satisfied as much as possible. The functionality is to maintain existing media distribution when an end-host leaves the overlay network. The experimental results have shown that high satisfaction of users (user preference) could be achieved after iterative joining and leaving of end hosts.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"12","bibliographic_titles":[{"bibliographic_title":"情報処理学会研究報告マルチメディア通信と分散処理（DPS）"}],"bibliographicPageStart":"7","bibliographicIssueDates":{"bibliographicIssueDate":"2002-11-21","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"108(2002-DPS-110)","bibliographicVolumeNumber":"2002"}]},"relation_version_is_last":true,"weko_creator_id":"1"},"created":"2025-01-18T23:03:12.740008+00:00","id":34682,"links":{}}