{"updated":"2025-01-19T15:44:23.507734+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00216777","sets":["1164:4088:10830:10831"]},"path":["10831"],"owner":"44499","recid":"216777","title":["ブロックチェーンにおけるブロック伝搬時間に基づくブロック生成間隔調整"],"pubdate":{"attribute_name":"公開日","attribute_value":"2022-02-28"},"_buckets":{"deposit":"93b586c3-d994-474a-b9e6-db54d5cbcf34"},"_deposit":{"id":"216777","pid":{"type":"depid","value":"216777","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"ブロックチェーンにおけるブロック伝搬時間に基づくブロック生成間隔調整","author_link":["560263","560262","560260","560261"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"ブロックチェーンにおけるブロック伝搬時間に基づくブロック生成間隔調整"},{"subitem_title":"Block Interval Adjustment Based on Block Propagation Time in A Blockchain","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"IA","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2022-02-28","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京工業大学"},{"subitem_text_value":"東京工業大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Masumi Arakawa","subitem_text_language":"en"},{"subitem_text_value":"Kazuyuki Shudo","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/216777/files/IPSJ-IOT22056021.pdf","label":"IPSJ-IOT22056021.pdf"},"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-IOT22056021.pdf","filesize":[{"value":"1.7 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"0","billingrole":"43"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_login","version_id":"38243761-9772-4d67-a6f0-321ad589e98a","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2022 by the Institute of Electronics, Information and Communication Engineers This SIG report is only available to those in membership of the SIG."}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"荒川, 真澄"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"首藤, 一幸"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Masumi, Arakawa","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Kazuyuki, Shudo","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA12326962","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_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8787","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"パブリックブロックチェーンにおいてトランザクション承認のスループット (TPS) は主要な課題の 1 つである．この課題はブロック生成間隔を短くすることで解決することができるが，一方でブロック生成間隔を短くすることはフォーク発生率を増加させてしまうためセキュリティを悪化させてしまう恐れがある．本研究ではブロック伝播時間を基にブロック生成間隔を可能な限り短く調整することでスループットを向上させる手法を提案する．ネットワークの一部のノードがブロックチェーンネットワーク上でのブロック伝播時間を監視し，フォーク発生率を増加させないようにブロック生成間隔を決定する．シミュレーションによって提案手法が効果を発揮することを確認した． ","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"Throughput (TPS) of transaction confirmation is one of the most important performance metrics of public blockchains. It is possible to improve it by shortening block generation interval. But it could sacrifice security because shorter interval increases the fork rate. Our proposed method improves the throughput by adjusting block generation interval as short as possible. Part of nodes observes the block propagation times over the blockchain network and the interval is determined so as not to increase the fork rate. Our simulation showed the proposed method works as it is supposed to.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"5","bibliographic_titles":[{"bibliographic_title":"研究報告インターネットと運用技術（IOT）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2022-02-28","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"21","bibliographicVolumeNumber":"2022-IOT-56"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"created":"2025-01-19T01:17:17.516657+00:00","id":216777,"links":{}}