{"updated":"2025-01-19T08:01:17.404677+00:00","links":{},"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00240303","sets":["6164:6165:6640:11802"]},"path":["11802"],"owner":"44499","recid":"240303","title":["ホップ数の仮想的削減によりPTP時刻同期を高精度化する手法の検討"],"pubdate":{"attribute_name":"公開日","attribute_value":"2024-06-19"},"_buckets":{"deposit":"c59b69f7-b49d-4a9c-be23-d9f65854a965"},"_deposit":{"id":"240303","pid":{"type":"depid","value":"240303","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"ホップ数の仮想的削減によりPTP時刻同期を高精度化する手法の検討","author_link":["659014","659013","659015"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"ホップ数の仮想的削減によりPTP時刻同期を高精度化する手法の検討"},{"subitem_title":"Study of a Method to Improve PTP Time Synchronization Accuracy by Virtually Reducing the Number of Hops","subitem_title_language":"en"}]},"item_type_id":"18","publish_date":"2024-06-19","item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_18_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"大阪大学"},{"subitem_text_value":"大阪大学"},{"subitem_text_value":"大阪大学"}]},"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/240303/files/IPSJ-DICOMO2024179.pdf","label":"IPSJ-DICOMO2024179.pdf"},"date":[{"dateType":"Available","dateValue":"2026-06-19"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-DICOMO2024179.pdf","filesize":[{"value":"1.5 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"9293a1cd-e040-4e15-a5c9-3ee4667a568b","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2024 by the Information Processing Society of Japan"}]},"item_18_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"廣田, 洋志郎"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"谷口, 昂平"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"大平, 健司"}],"nameIdentifiers":[{}]}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_5794","resourcetype":"conference paper"}]},"item_18_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"本研究では，DetNet(Deterministic Networking) での高精度時刻同期を実現するため，PTP(PrecisionTime Protocol) のホップ数増加による精度低下と M-PTP(Multi-hop Precision Time Protocol) 対応スイッチの不在という 2 つの課題に対処する手法を提案するDetNet は，広域ネットワークにおけるリアルタイムアプリケーションのために設計されており，正確な時刻同期が必要だが，PTP はホップ数の増加により精度が低下するという問題がある．M-PTP は，この問題を解決するために開発されたが，既存のスイッチには M-PTP に対応したものが存在しない．そこで本研究では，M-PTP で時刻同期されたノードをリファレンスクロックとして利用し，指定したスイッチに接続することで，PTP による時刻同期のホップ数を減らし，精度を向上させる手法を提案する．","subitem_description_type":"Other"}]},"item_18_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"1324","bibliographic_titles":[{"bibliographic_title":"マルチメディア，分散，協調とモバイルシンポジウム2024論文集"}],"bibliographicPageStart":"1318","bibliographicIssueDates":{"bibliographicIssueDate":"2024-06-19","bibliographicIssueDateType":"Issued"},"bibliographicVolumeNumber":"2024"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":240303,"created":"2025-01-19T01:44:25.103253+00:00"}