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OpenFlowにおけるリンク毎パケット遅延変動の監視と劣化リンク特定の効率化
http://hdl.handle.net/10228/00007455
http://hdl.handle.net/10228/0000745518818bfe-4504-43eb-b6b9-2b3752b9381e
名前 / ファイル | ライセンス | アクション |
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RECN_2018-29.pdf (1.2 MB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||||
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公開日 | 2019-11-27 | |||||||||||
資源タイプ | ||||||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||
資源タイプ | journal article | |||||||||||
タイトル | ||||||||||||
言語 | ja | |||||||||||
タイトル | OpenFlowにおけるリンク毎パケット遅延変動の監視と劣化リンク特定の効率化 | |||||||||||
タイトル | ||||||||||||
言語 | en | |||||||||||
タイトル | OpenFlow-based packet delay variation monitoring per link to efficiently locate deteriorated links | |||||||||||
言語 | ||||||||||||
言語 | jpn | |||||||||||
著者 |
永田, 隼也
× 永田, 隼也× 鶴, 正人
WEKO
5853
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | 近年,クラウドサービスやサーバの仮想化を支える技術としてOpenFlowが普及しつつある.それに伴い,OpenFlowを用いた大規模なネットワークの品質維持のために,アクティブ計測による実時間での全リンクの性能計測・状態監視技術が研究されている.先行研究ではOpenFlowネットワークの通信品質の指標として各リンクのパケットロス率に着目していた.本稿では,通信品質の指標として遅延変動に着目し,各リンク・双方向のパケット遅延変動を効率的に監視する手法を提案する.提案手法では,計測端末から計測用パケットを一定時間間隔で全リンクを双方向に通過するようにマルチキャスト転送し,各スイッチでは計測用パケットの到着時間間隔の統計量を取得することで遅延変動を推定する.また,コントローラーがスイッチから観測情報を取得する順序を工夫することにより,遅延変動が大きいリンクを迅速に効率よく特定する手法を提案する.その有効性を大規模トポロジ上のシミュレーションによって示した.また,計測端末の位置による影響も調査した. | |||||||||||
言語 | ja | |||||||||||
抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | In recent year, OpenFlow is becoming popular as a technology supporting cloud services and server virtualizations. Accordingly, in order to maintain a high quality of large-scale OpenFlow networks, active measure-ment-based real-time performance and status monitoring schemes have been studied. Our previous study focused on the packet loss rate of each link on an OpenFlow network as an indicator of communication quality. In this report, we focus on the packet delay variation as an indicator of communication quality and propose a method to efficiently monitor the packet delay variation of each link in both direction. In the proposed method, measurement packets are multicast-transferred traversing all links in both directions from a measurement terminal at a constant time interval and each switch acquires statistics of the arrival time interval of the measurement packets, which can be used to estimate the link packet delay variation. We also efficiently identify the links with large delay variations (larger than a threshold) by an appropriate order of retrieving the observed statistics from switches. Its effectiveness has been shown through simulation on a large-scale network topology. We also have investigated the impact of the position of the measurement terminal. | |||||||||||
言語 | en | |||||||||||
備考 | ||||||||||||
内容記述タイプ | Other | |||||||||||
内容記述 | 電子情報通信学会 情報通信マネジメント研究会(ICM), 2018年7月5日-6日, 青森市, 日本 | |||||||||||
書誌情報 |
ja : 電子情報通信学会技術研究報告. ICM, 情報通信マネジメント 巻 118, 号 118, p. 47-52, 発行日 2018-06-28 |
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出版社 | ||||||||||||
言語 | ja | |||||||||||
出版者 | 電子情報通信学会 | |||||||||||
URI | ||||||||||||
識別子タイプ | URI | |||||||||||
関連識別子 | https://www.ieice.org/ken/paper/20180706P1Fz/ | |||||||||||
CRID | ||||||||||||
関連タイプ | isIdenticalTo | |||||||||||
識別子タイプ | URI | |||||||||||
関連識別子 | https://cir.nii.ac.jp/crid/1050845763870192512 | |||||||||||
日本十進分類法 | ||||||||||||
主題Scheme | NDC | |||||||||||
主題 | 547 | |||||||||||
NCID | ||||||||||||
収録物識別子タイプ | NCID | |||||||||||
収録物識別子 | AA12325711 | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | EISSN | |||||||||||
収録物識別子 | 2432-6380 | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | PISSN | |||||||||||
収録物識別子 | 0913-5685 | |||||||||||
著作権関連情報 | ||||||||||||
権利情報 | Copyright (c) 2018 by IEICE | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | OpenFlow | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | ネットワーク監視 | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | アクティブ計測 | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | マルチキャスト | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | パケット遅延変動 | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Network monitoring | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Active measurement | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Multicast | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Packet delay variation | |||||||||||
出版タイプ | ||||||||||||
出版タイプ | VoR | |||||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||
査読の有無 | ||||||||||||
値 | no | |||||||||||
連携ID | ||||||||||||
7952 |