| Presentation | 2019-03-08 A Measurement Method for Wireless Bottlenecks on Enterprise Network Sumiyo Okada, Chunghan Lee, Tomohiro Ishihara, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Since the explosively increasing of wireless-LAN-connected terminals, such as notebook PCs and tablet PSs, used in enterprise environments, the communication quality degradations caused by the wireless LAN (WLAN) are often observed. The first reason is that the bandwidth is narrow in comparison with the wired LAN. The second one is that the traffic volume at WLAN access point (WLAN AP) is abruptly changed by the mobility of device. Although, existing end-to-end throughput measurement cannot detect the bottleneck. Nor wireless-layer quality measurement cannot detect degradation of TCP-connection’s quality which affect QoE (Quality of Experience). In this research, we developed new measurement method that detects the deteriorated TCP-connection affected by the WLAN’s bottleneck. Our passive measurement method is based on the nature of TCP’s RTT that continuously increase at the WLAN’s bottleneck. By combining the detected TCP-connection’s information and WLAN AP’s connection information, we can specify the WLAN-AP in the bottleneck WLAN. We also prototyped a WLAN-quality visualization tool and applied our method to enterprise network over a thousand of hosts. As a result, our method clearly detected the wireless bottlenecks on the enterprise network. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Wireless LAN / Bottleneck / Passive measurement / TCP / RTT / Throughput |
| Paper # | SITE2018-83,IA2018-75 |
| Date of Issue | 2019-02-28 (SITE, IA) |
| Conference Information | |
| Committee | IA / SITE / IPSJ-IOT |
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| Conference Date | 2019/3/7(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Grand XIV Naruto |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Internet and Information Ethics Education, etc. |
| Chair | Katsuyoshi Iida(Hokkaido Univ.) / Tetsuya Morizumi(Kanagawa Univ.) |
| Vice Chair | Rei Atarashi(IIJ) / Hiroyuki Osaki(Kwansei Gakuin Univ.) / Toru Kondo(Hiroshima Univ.) / Masaru Ogawa(Kobe Gakuin Univ.) / Takushi Otani(Kibi International Univ.) |
| Secretary | Rei Atarashi(Tokyo Metropolitan Univ.) / Hiroyuki Osaki(TOYOTA-IT) / Toru Kondo(NEC) / Masaru Ogawa(Tokyo Health Care Univ.) / Takushi Otani(Toyo Eiwa Univ.) |
| Assistant | Kenji Ohira(Tokushima Univ.) / Ryohei Banno(Tokyo Inst. of Tech.) / Hisanori Kato(KDDI Research) / Nobuyuki Yoshinaga(Yamaguchi Pref Univ.) / Daisuke Suzuki(Hokuriku Univ.) |
| Paper Information | |
| Registration To | Technical Committee on Internet Architecture / Technical Committee on Social Implications of Technology and Information Ethics / Special Interest Group on Internet and Operation Technology |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Measurement Method for Wireless Bottlenecks on Enterprise Network |
| Sub Title (in English) | |
| Keyword(1) | Wireless LAN |
| Keyword(2) | Bottleneck |
| Keyword(3) | Passive measurement |
| Keyword(4) | TCP |
| Keyword(5) | RTT |
| Keyword(6) | Throughput |
| Keyword(7) | |
| 1st Author's Name | Sumiyo Okada |
| 1st Author's Affiliation | Fujitsu Laboratories Ltd.(Fujitsu Labs.) |
| 2nd Author's Name | Chunghan Lee |
| 2nd Author's Affiliation | Fujitsu Laboratories Ltd.(Fujitsu Labs.) |
| 3rd Author's Name | Tomohiro Ishihara |
| 3rd Author's Affiliation | Fujitsu Laboratories Ltd.(Fujitsu Labs.) |
| Date | 2019-03-08 |
| Paper # | SITE2018-83,IA2018-75 |
| Volume (vol) | vol.118 |
| Number (no) | SITE-480,IA-481 |
| Page | pp.pp.279-285(SITE), pp.279-285(IA), |
| #Pages | 7 |
| Date of Issue | 2019-02-28 (SITE, IA) |