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In this dissertation, \u003cbr /\u003ewe address the issue how to provide QoS control and improve performance in OBS \u003cbr /\u003enetworks . \u003cbr /\u003e In order to provide proportional differentiated services without or with absolute \u003cbr /\u003econstraints in bufferless OBS networks, a Dynamic Wavelength Selection (DWS) \u003cbr /\u003escheme is introduced to assign more and longer periods of wavelengths to higher \u003cbr /\u003epriority classes dynamically and efficiently due to wavelength-sharing. The inte- \u003cbr /\u003egration of DWS scheme and another proposed Delayed Burst Assignment (DBA) \u003cbr /\u003escheme improves the burst loss performance by giving the burst head packet (BHP) \u003cbr /\u003etwo opportunities of scheduling its data burst (DB). \u003cbr /\u003e Furthermore, we propose two novel burst assembly algorithms with traMc shap- \u003cbr /\u003eing functions to reduce the variance of assembled traffc and improve the burst \u003cbr /\u003eloss performance, which are named advanced timer-based and sliding window-based \u003cbr /\u003eassembly algorithms. \u003cbr /\u003e Finally, an edge buffering based OBS layer fast error recovery scheme is pro-- \u003cbr /\u003eposed to improve the TCP performance over OBS networks, in which lost bursts are \u003cbr /\u003eretransmitted at edge nodes without being reassembled. \u003cbr /\u003e In general, all the proposed schemes solve many of the fundamental issues faced \u003cbr /\u003eby optical burst switching networks, thereby making OBS more practical and efii- \u003cbr /\u003ecient in the near future.\u003cbr /\u003e", "subitem_description_type": "Other"}]}, "item_1_description_18": {"attribute_name": "フォーマット", "attribute_value_mlt": [{"subitem_description": "application/pdf", "subitem_description_type": "Other"}]}, "item_1_description_7": {"attribute_name": "学位記番号", "attribute_value_mlt": [{"subitem_description": "総研大甲第1049号", "subitem_description_type": "Other"}]}, "item_1_select_14": {"attribute_name": "所蔵", "attribute_value_mlt": [{"subitem_select_item": "有"}]}, "item_1_select_8": {"attribute_name": "研究科", "attribute_value_mlt": [{"subitem_select_item": "複合科学研究科"}]}, "item_1_select_9": {"attribute_name": "専攻", "attribute_value_mlt": [{"subitem_select_item": "17 情報学専攻"}]}, "item_1_text_10": {"attribute_name": "学位授与年度", "attribute_value_mlt": [{"subitem_text_value": "2006"}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "DU, Ping", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "0", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "ファイル情報", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2016-02-17"}], "displaytype": "simple", "download_preview_message": "", "file_order": 0, "filename": "甲1049_要旨.pdf", "filesize": [{"value": "269.5 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_11", "mimetype": "application/pdf", "size": 269500.0, "url": {"label": "要旨・審査要旨", "url": "https://ir.soken.ac.jp/record/859/files/甲1049_要旨.pdf"}, "version_id": "467ecd43-923a-4851-90ba-e69ab035581e"}, {"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2016-02-17"}], "displaytype": "simple", "download_preview_message": "", "file_order": 1, "filename": "甲1049_本文.pdf", "filesize": [{"value": "31.6 MB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_11", "mimetype": "application/pdf", "size": 31600000.0, "url": {"label": "本文", "url": "https://ir.soken.ac.jp/record/859/files/甲1049_本文.pdf"}, "version_id": "fa662610-11b1-4fe9-829a-05cbcd353a82"}]}, "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": "thesis", "resourceuri": "http://purl.org/coar/resource_type/c_46ec"}]}, "item_title": "QoS Control and Performance Improvement Methods for Optical Burst Switching Networks", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "QoS Control and Performance Improvement Methods for Optical Burst Switching Networks"}, {"subitem_title": "QoS Control and Performance Improvement Methods for Optical Burst Switching Networks", "subitem_title_language": "en"}]}, "item_type_id": "1", "owner": "1", "path": ["19"], "permalink_uri": "https://ir.soken.ac.jp/records/859", "pubdate": {"attribute_name": "公開日", "attribute_value": "2010-02-22"}, "publish_date": "2010-02-22", "publish_status": "0", "recid": "859", "relation": {}, "relation_version_is_last": true, "title": ["QoS Control and Performance Improvement Methods for Optical Burst Switching Networks"], "weko_shared_id": -1}
QoS Control and Performance Improvement Methods for Optical Burst Switching Networks
https://ir.soken.ac.jp/records/859
https://ir.soken.ac.jp/records/8592aa000c3-384d-4af1-9bfd-5ac0b85a9f84
名前 / ファイル | ライセンス | アクション |
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Item type | 学位論文 / Thesis or Dissertation(1) | |||||
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公開日 | 2010-02-22 | |||||
タイトル | ||||||
タイトル | QoS Control and Performance Improvement Methods for Optical Burst Switching Networks | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | QoS Control and Performance Improvement Methods for Optical Burst Switching Networks | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_46ec | |||||
資源タイプ | thesis | |||||
著者名 |
杜, 平
× 杜, 平 |
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フリガナ |
ドゥ, ピング
× ドゥ, ピング |
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著者 |
DU, Ping
× DU, Ping |
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学位授与機関 | ||||||
学位授与機関名 | 総合研究大学院大学 | |||||
学位名 | ||||||
学位名 | 博士(情報学) | |||||
学位記番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 総研大甲第1049号 | |||||
研究科 | ||||||
値 | 複合科学研究科 | |||||
専攻 | ||||||
値 | 17 情報学専攻 | |||||
学位授与年月日 | ||||||
学位授与年月日 | 2007-03-23 | |||||
学位授与年度 | ||||||
2006 | ||||||
要旨 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Optical Burst Switching (OBS) has been proposed as a promising switching <br />technology for the next generation of optical transport network. In this dissertation, <br />we address the issue how to provide QoS control and improve performance in OBS <br />networks . <br /> In order to provide proportional differentiated services without or with absolute <br />constraints in bufferless OBS networks, a Dynamic Wavelength Selection (DWS) <br />scheme is introduced to assign more and longer periods of wavelengths to higher <br />priority classes dynamically and efficiently due to wavelength-sharing. The inte- <br />gration of DWS scheme and another proposed Delayed Burst Assignment (DBA) <br />scheme improves the burst loss performance by giving the burst head packet (BHP) <br />two opportunities of scheduling its data burst (DB). <br /> Furthermore, we propose two novel burst assembly algorithms with traMc shap- <br />ing functions to reduce the variance of assembled traffc and improve the burst <br />loss performance, which are named advanced timer-based and sliding window-based <br />assembly algorithms. <br /> Finally, an edge buffering based OBS layer fast error recovery scheme is pro-- <br />posed to improve the TCP performance over OBS networks, in which lost bursts are <br />retransmitted at edge nodes without being reassembled. <br /> In general, all the proposed schemes solve many of the fundamental issues faced <br />by optical burst switching networks, thereby making OBS more practical and efii- <br />cient in the near future.<br /> | |||||
所蔵 | ||||||
値 | 有 | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf |