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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OCS, CS (Joint) |
2025-01-17 13:00 |
Fukuoka | リファレンス駅東ビル貸会議室 (Fukuoka) | Development and evaluation demonstration of Optical-Analog-Optical (OAO) Wavelength Converters Tatsunori Omiya, Toshifumi Nakamura, J. Kenji Clark, Wakako Maeda (NEC), Haruka Minami, Takeshi Seki, Rie Hayashi, Takeshi Kuwahara (NTT), Emmanuel Le Taillandier de Gabory (NEC)  OCS2024-59 |
Recently, the need for higher capacity, lower latency and more power efficient communication networks has become critica... [more] | OCS2024-59 pp.13-18 |
| OCS, CS (Joint) |
2025-01-17 13:25 |
Fukuoka | リファレンス駅東ビル貸会議室 (Fukuoka) | Correlation Analysis of Input and Output Signal Status in Optical-Analog-Optical Wavelength Converter Haruka Minami, Takeshi Seki (NTT), Tatsunori Omiya, Toshifumi Nakamura, J. Kenji Clark, Wakako Maeda (NEC), Rie Hayashi (NTT), Emmanuel Le Taillandier de Gabory (NEC), Takeshi Kuwahara (NTT) OCS2024-60 |
(Advance abstract in Japanese is available) [more] | OCS2024-60 pp.19-24 |
| OCS, CS (Joint) |
2025-01-17 13:50 |
Fukuoka | リファレンス駅東ビル貸会議室 (Fukuoka) | Proposal of Photonic Exchange Using Optical-Analog-Optical Wavelength Converter Takeshi Seki, Haruka Minami (NTT), Tatsunori Omiya, Toshifumi Nakamura, J. Kenji Clark, Wakako Maeda (NEC), Rie Hayashi (NTT), Emmanuel Le Taillandier de Gabory (NEC), Takeshi Kuwahara (NTT) OCS2024-61 |
(Advance abstract in Japanese is available) [more] | OCS2024-61 pp.25-30 |
| NS | 2024-04-12 10:00 |
Okayama | Okayama Prefectural Library + Online (Okayama, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Recent Advances in Multi-Band Optical Networking Technologies toward Realizing IOWN All-Photonics Network Masahiro Nakagawa, Haruka Minami, Takafumi Fukatani, Takeshi Seki, Rie Hayashi, Takeshi Kuwahara (NTT) NS2024-9 |
[more] | NS2024-9 p.45 |
| PN | 2024-03-14 13:00 |
Kagoshima | (Kagoshima, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Optical Fiber Transmission Line Input Power Optimization Technique and Experimental Evaluation in C+L Multiband Wavelength Multiplexing Transmission Takeshi Seki, Takafumi Fukatani, Haruka Minami, Masahiro Nakagawa, Rie Hayashi, Takeshi Kuwahara (NTT) PN2023-71 |
[more] | PN2023-71 pp.10-14 |
| PN | 2023-08-29 17:05 |
Hokkaido | (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Wavelength conversion for direct connection of E2E optical path under heterogeneous fiber mixing Takafumi Fukatani, Masahiro Nakagawa, Takeshi Seki, Takeshi Kuwahara (NTT) PN2023-27 |
[more] | PN2023-27 pp.59-62 |
| PN | 2023-03-02 17:00 |
Okinawa | (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Rapid Optimization of Input Power to Optical Fiber Transmission Lines Considering Stimulated Raman Scattering in C + L Multiband Wavelength-Division-Multiplexed Networks Kenta Hirose, Hiroki Sakuma, Takafumi Fukatani, Masahiro Nakagawa, Takeshi Seki, Takashi Miyamura, Takeshi Kuwahara (NTT) PN2022-71 |
Power transition induced by inter-channel stimulated Raman scattering (ISRS) in optical fibers affects signal quality, a... [more] | PN2022-71 pp.155-158 |
| CQ, ICM, NS, NV (Joint) |
2021-11-26 09:55 |
Fukuoka | JR Hakata Stn. Hakata EkiHigashi Rental Room (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
Proposal of Class-Free Time-Aware Shaper for Deterministic Periodic Control in a Multitenancy Environment Hiroki Iwasawa, Nobuhiro Azuma, Takahide Kitsu, Hitoshi Masutani, Takeshi Kuwahara (NTT) NS2021-89 |
One of the key technologies that Society 5.0 aims to achieve is Cyber-Physical System (CPS). CPS is a concept of a syste... [more] | NS2021-89 pp.30-35 |
| IN, NS, CS, NV (Joint) |
2021-09-09 13:30 |
Online | Online (Online) | Proposal of Deterministic Periodic Control Architecture for Networked Control Systems in Cyber-Physical Systems Nobuhiro Azuma, Hiroki Iwasawa, Takahide Kitsu, Hitoshi Masutani, Takeshi Kuwahara (NTT) NS2021-62 |
With the progress of information communication technology such as 5G and 6G, devices which have not been connected to th... [more] | NS2021-62 pp.30-35 |
| SeMI, RCS, NS, SR, RCC (Joint) |
2019-07-12 13:15 |
Osaka | I-Site Nanba（Osaka） (Osaka) | [Encouragement Talk]
Implementation and Evaluation of the Network function for Distributed Stream Processing in the Edge-computing Naoki Higo, Minoru Matsumoto, Takeshi Kuwahara, Yoshikatsu Okazaki (NTT) NS2019-87 |
In the environment of edge computing, each datacenter has resource limitations of computing. Therefore, we aim to effici... [more] | NS2019-87 pp.215-220 |
| NS | 2019-04-19 10:00 |
Kagoshima | Tenmonkan Vision Hall (Kagoshima) | A Study of Service Function Chaining Mechanism with SRv6 using Abstracted Identifiers of Service Function Instances Yukihiro Togari, Hisashi Kojima, Takeshi Kuwahara, Yoshikatsu Okazaki (NTT) NS2019-11 |
Service Function Chaining (SFC) that enables end-users to utilize various network service function is attracting a lot o... [more] | NS2019-11 pp.61-66 |
| NS | 2019-04-19 10:50 |
Kagoshima | Tenmonkan Vision Hall (Kagoshima) | Data backup selection on the basis of disaster area at edge computing Takuma Tsubaki, Naoki Higo, Kohjun Koshiji, Toshimitsu Tsubaki, Takeshi Kuwahara, Yoshikatsu Okazaki (NTT) NS2019-13 |
Recently, edge computing (EC) has attracted attention to the spread of Internet of Things (IoT). EC places resources in ... [more] | NS2019-13 pp.73-77 |
| IN, NS (Joint) |
2019-03-04 10:30 |
Okinawa | Okinawa Convention Center (Okinawa) | A Study of the network function for Distributed Stream Processing in the Edge-computing Naoki Higo, Takuma Tsubaki, Kohjun Koshiji, Toshimitsu Tsubaki, Takeshi Kuwahara (NTT) NS2018-210 |
In the environment of edge computing, each datacenter has resource limitations of computing. Therefore, we aim to effici... [more] | NS2018-210 pp.99-104 |
| IN, NS (Joint) |
2019-03-05 15:20 |
Okinawa | Okinawa Convention Center (Okinawa) | Effective message transmission by network assistance
-- Message transfer based on change of network state -- Kohjun Koshiji, Naoki Higo, Takuma Tsubaki, Toshimitsu Tsubaki, Yuuki Yano, Masanao Nakano, Takao Kurahashi, Takeshi Kuwahara (NTT) NS2018-283 |
In recent years, with the progress of IoT (Internet of Things), the number of IoT services for controlling devices throu... [more] | NS2018-283 pp.515-520 |
| IN, NS, CS, NV (Joint) |
2018-09-07 10:45 |
Miyagi | Research Institute of Electrical Communication, Tohoku Univ. (Miyagi) | A Study of Scanning Hosts Classification Mechanism in IP Backbone Networks Yukihiro Togari, Hisashi Kojima, Takeshi Kuwahara (NTT) NS2018-102 |
We have researched a lightweight scan detection mechanism in the IP backbone networks. However, the existing mechanism c... [more] | NS2018-102 pp.83-88 |
| NS, OCS, PN (Joint) |
2018-06-15 12:55 |
Fukushima | Koriyama-Shoko-Kaigisho (Fukushima) | [Encouragement Talk]
Effective message transmission by network assistance
-- Performance evaluation of proposal function -- Kohjun Koshiji, Naoki Higo, Toshimitsu Tsubaki, Takeshi Kuwahara, Masanao Nakano, Tatsuya Ishihara (NTT) NS2018-32 |
In recent years, the number of IoT (Internet of Things) services for controlling devices via a network has increased. Ho... [more] | NS2018-32 pp.25-30 |
| NS, OCS, PN (Joint) |
2018-06-15 13:45 |
Fukushima | Koriyama-Shoko-Kaigisho (Fukushima) | A Study of Infection Attack Detection Mechanism on Carrier Networks Considering False Positive Reduction Yukihiro Togari, Hiroaki Maeda, Hisashi Kojima, Takeshi Kuwahara (NTT) NS2018-34 |
As many vulnerable hosts which connected to the Internet are seriously targeted by cyberattacks, various security risks ... [more] | NS2018-34 pp.37-42 |
| NS, IN (Joint) |
2008-03-06 11:50 |
Okinawa | Bankoku Shinryokan (Okinawa) | Identification Method of Attacking Source Using Traffic Flow in Backbone Networks Takeshi Kuwahara, Tsuyoshi Kondoh, Takeshi Yagi, Keisuke Ishibashi, Junichi Murayama (NTT) IN2007-169 |
In this paper, we propose a novel identification method of attacking source using traffic flow information in backbone n... [more] | IN2007-169 pp.61-66 |
| NS, CS, IN (Joint) |
2007-09-21 09:50 |
Miyagi | Tohoku University (Miyagi) | A Practical Feasibility Study of a Network Control Method for Sharing DDoS-Attack Mitigation Devices Takeshi Yagi, Takeshi Kuwahara, Junichi Murayama (NTT) IN2007-60 |
This paper reports results of feasibility study about dynamic traffic control methods to re-route traffic into DDoS-atta... [more] | IN2007-60 pp.99-104 |
| NS, CS, IN (Joint) |
2007-09-21 10:10 |
Miyagi | Tohoku University (Miyagi) | A Proposal of Detection Method for Application Anomaly Traffic over Large-scale Backbone Networks Takeshi Kuwahara, Takeshi Yagi, Atsushi Kobayashi, Keisuke Ishibashi, Junichi Murayama (NTT) IN2007-61 |
This paper proposes a novel anomaly detection method for application traffic over large-scale backbone networks. The pro... [more] | IN2007-61 pp.105-110 |
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