{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00047012","sets":["1164:4088:4113:4117"]},"path":["4117"],"owner":"1","recid":"47012","title":["プロトコル変換ゲートウェイPTGWの実証実験と評価"],"pubdate":{"attribute_name":"公開日","attribute_value":"2005-07-29"},"_buckets":{"deposit":"ad5961f5-6a74-4c1e-b319-eb249a11cc7a"},"_deposit":{"id":"47012","pid":{"type":"depid","value":"47012","revision_id":0},"owners":[1],"status":"published","created_by":1},"item_title":"プロトコル変換ゲートウェイPTGWの実証実験と評価","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"プロトコル変換ゲートウェイPTGWの実証実験と評価"},{"subitem_title":"Evaluation and Practical Experiment of a Protocol Transfer Gateway","subitem_title_language":"en"}]},"item_type_id":"4","publish_date":"2005-07-29","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"広島市立大学大学院情報科学研究科"},{"subitem_text_value":"広島市立大学情報処理センター"},{"subitem_text_value":" 広島市立大学情報処理センター"},{"subitem_text_value":" 広島市立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 Sciences, Hiroshima City University","subitem_text_language":"en"},{"subitem_text_value":"Information Sciences, Hiroshima City University","subitem_text_language":"en"},{"subitem_text_value":"Information Sciences, Hiroshima City University","subitem_text_language":"en"},{"subitem_text_value":" Graduate School of Information Sciences, Hiroshima City University","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/47012/files/IPSJ-QAI05016002.pdf"},"date":[{"dateType":"Available","dateValue":"2007-07-29"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-QAI05016002.pdf","filesize":[{"value":"744.0 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":"43"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"4d47ca8d-4d51-4df2-a1c3-42a0e7de330a","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2005 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"岸田, 崇志"},{"creatorName":"前田, 香織"},{"creatorName":"河野英太郎"},{"creatorName":"角田, 良明"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Takashi, KISHIDA","creatorNameLang":"en"},{"creatorName":"Kaori, MAEDA","creatorNameLang":"en"},{"creatorName":"Eitaro, KOHNO","creatorNameLang":"en"},{"creatorName":"Yoshiaki, KUKUDA","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_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"アクセスラインの広帯域化により，インターネット上でのテレビ会議などの映像コミュニケーションの利用が進んでいる．しかし，従来のテレビ会議端末は必ずしもインターネット上の品質低下や，NATやファイアウォールによる通信の制限に対応しているわけではない．そこで，我々はより品質のよいストリーム伝送をより手軽に活用するための機能をゲートウェイPTGWを開発した．これにより，既存の多くのテレビ会議システムの活用を目指す．本ゲートウェイはIP-in-IPによりプロトコル変換が実装され，FECによるエラー訂正，ポート集約，Ipv4/Ipv6トンネル，マルチチャスト/ユニキャストトンネル等の機能を有している．本稿では，PTGWの基本性能の評価及び，実証実験により有用性について示す．","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"Recent teleconference systems have functions improvement of video quality or for various network environment like NAT and Firewall. These additional functions depend on system implementation. This causes lack of compatibility between various systems. Furthermore, more additional functions will be required to satisfy requirements by network variation. In this paper, we describe a development of protocol transfer gateway for integration of these function to solve any problems caused by variation of network environment. We show availability and functions of our gateway like error recovery using FEC code, port aggregation, translation between IPv4 and IPv6, and multicast tunneling. ","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インターネットと運用技術（IOT）"}],"bibliographicPageStart":"7","bibliographicIssueDates":{"bibliographicIssueDate":"2005-07-29","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"77(2005-QAI-016)","bibliographicVolumeNumber":"2005"}]},"relation_version_is_last":true,"weko_creator_id":"1"},"id":47012,"updated":"2025-01-22T09:11:10.220700+00:00","links":{},"created":"2025-01-18T23:12:35.536991+00:00"}