{"created":"2023-05-15T10:01:20.954485+00:00","id":5893,"links":{},"metadata":{"_buckets":{"deposit":"49b8c1c0-55ad-4e99-971f-b366741b8761"},"_deposit":{"created_by":5,"id":"5893","owner":"5","owners":[5],"pid":{"revision_id":0,"type":"depid","value":"5893"},"status":"published"},"_oai":{"id":"oai:miyazaki-u.repo.nii.ac.jp:00005893","sets":["73","73:36","73:36:330","73:36:330:329"]},"author_link":["31739","11847","14888","31661","31656","11839"],"item_10002_alternative_title_1":{"attribute_name":"その他（別言語等）のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"スケッチ データ コウゾウ オ モチイ タ テイソクDDoS コウゲキ ケンシュツ ノ ケントウ","subitem_alternative_title_language":"ja-Kana"}]},"item_10002_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2019-07","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"216","bibliographicPageStart":"213","bibliographicVolumeNumber":"48","bibliographic_titles":[{"bibliographic_title":"宮崎大学工学部紀要","bibliographic_titleLang":"ja"},{"bibliographic_title":"Memoirs of Faculty of Engineering, University of Miyazaki","bibliographic_titleLang":"en"}]}]},"item_10002_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"The sketch data structure is a technique for extracting characteristics of traffic at high speed by expressing a large amount of data in a small amount of area using a plurality of hash functions. In the DDoS attack detection method using the sketch data structure, the similarity between the sketch generated just before and the new sketch is calculated, and if the similarity is low, the new sketch is determined as an attack. The low-rate DDoS attack attacks a victimized server at the same packet rate as normal traffic. It is difficult to detect with DDoS attack detection system dependent on traffic rate. The purpose of this study is to improve the accuracy by using sketch data structure showing high effectiveness in detection of the DDoS attacks for detecting the Low-rate DDoS attacks. In the existing sketch method, only the source IP address was used as the hash key of the sketch. In the proposed method, we add packet size as a hash key to generate the sketch. In the proposed method, we aim to detect low-rate DDoS attacks using the two sketches generated by the source IP address and the packet size. In the experiment, we evaluated the effectiveness of the sketch data structure in the low-rate DDoS attacks.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_10002_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"宮崎大学工学部","subitem_publisher_language":"ja"},{"subitem_publisher":"Faculty of Engineering, University of Miyazaki","subitem_publisher_language":"en"}]},"item_10002_source_id_11":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA00732558","subitem_source_identifier_type":"NCID"}]},"item_10002_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"05404924","subitem_source_identifier_type":"ISSN"}]},"item_10002_version_type_20":{"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":[{"creatorAffiliations":[{"affiliationNameIdentifiers":[{"affiliationNameIdentifier":"","affiliationNameIdentifierScheme":"ISNI","affiliationNameIdentifierURI":"http://www.isni.org/isni/"}],"affiliationNames":[{"affiliationName":"","affiliationNameLang":"ja"}]}],"creatorNames":[{"creatorName":"藤, 竜成","creatorNameLang":"ja"},{"creatorName":"フジ, リュウセイ","creatorNameLang":"ja-Kana"},{"creatorName":"Fuji, Ryusei","creatorNameLang":"en"}],"familyNames":[{},{},{}],"givenNames":[{},{},{}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"井, 康成","creatorNameLang":"ja"},{"creatorName":"イイ, コウセイ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{}]},{"creatorAffiliations":[{"affiliationNameIdentifiers":[{"affiliationNameIdentifier":"","affiliationNameIdentifierScheme":"ISNI","affiliationNameIdentifierURI":"http://www.isni.org/isni/"}],"affiliationNames":[{"affiliationName":"","affiliationNameLang":"ja"}]}],"creatorNames":[{"creatorName":"Yamaba, Hisaaki","creatorNameLang":"en"},{"creatorName":"山場, 久昭","creatorNameLang":"ja"},{"creatorName":"ヤマバ, 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Kosei","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2020-06-21"}],"displaytype":"detail","filename":"213-216.pdf","filesize":[{"value":"1.3 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"本文","url":"https://miyazaki-u.repo.nii.ac.jp/record/5893/files/213-216.pdf"},"version_id":"9409c7f2-c5f2-49cb-bef5-787d1d4bb4f5"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"sketch data structure, low-rate DDoS attack, similarity","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"departmental bulletin 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