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Technical Committee on Network Systems (NS)
Chair: Akihiro Nakao (Univ. of Tokyo) Vice Chair: Tetsuya Oishi (NTT)
Secretary: Takashi Ikebe (NTT), Masahiro Yoshida (Chuo Univ.)
Assistant: Kotaro Mihara (NTT)

DATE:
Wed, Oct 6, 2021 10:15 - 17:00
Thu, Oct 7, 2021 09:15 - 17:00
Fri, Oct 8, 2021 09:15 - 13:55

PLACE:
Online only (Due to COVID-19)

TOPICS:
Network architecture (Overlay, P2P, Ubiquitous network, Scale-free network, Active network, NGN/NwGN, IoT, Edge computing, Next generation packet transport (High speed Ethernet, IP over WDM, Multi-service package technology, MPLS), Grid, etc.

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Wed, Oct 6 AM (10:15 - 11:05)
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(1) 10:15 - 10:40
Distributed ultra-high-definition video handling system using wide-area SRv6 service function chaining
Kouta Aoki (Miharu Communications), Mitsuru Maruyama, Katsuhiro Sebayashi, Tomohiro Ishioka, Yuma Ito (KAIT), Hiroyuki Kimiyama (Daido Univ)

(2) 10:40 - 11:05
Reducing travel time by avoiding traffic jams in a cooperative driving system with multi-tier edge servers
Yusuke Inagaki, Akihiro Nakao (UT)

----- Break ( 110 min. ) -----

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Wed, Oct 6 PM (12:55 - 14:10)
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(3) 12:55 - 13:20
A Note on Anonymous Protocol for Publihs-Subscribe IoT Systems
Yudai Fukushima, Kauzya Sakai (TMU)

(4) 13:20 - 13:45
A study on low latency Pub/Sub Systems
Hitoki Kano, Shinya Kawano (NTT)

(5) 13:45 - 14:10
Preliminary study on estimation of social network structure by observing user responses
Ryo Miyamoto, Masaki Aida (Tokyo Metropolitan Univ.)

----- Break ( 10 min. ) -----

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Wed, Oct 6 PM (14:20 - 15:35)
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(6) 14:20 - 14:45
A Note on Task Assignment for Real-Time Mobile Crowdsourcing
Haruumi Imamura, Kazuya Sakai (TMU)

(7) 14:45 - 15:10
Development of Mixed Reality application for remote education of student experiments
Reita Hagihara, Naoto Hoshikawa (Oyama College)

(8) 15:10 - 15:35
Development of a Robot for Measuring Spatial Temperature Distribution in Machine Rooms
Sakuya Suzuki, Naoto Hoshikawa (Oyama College), Takashi Nishitsuji (TMU), Tomoyoshi Ito (Chiba Univ)

----- Break ( 10 min. ) -----

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Wed, Oct 6 PM (15:45 - 17:00)
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(9) 15:45 - 16:10
Implementation of smart contracts with an access control by attribute based encryption
Takumi Okano, Hideharu Kojima, Naoto Yanai, Tatsuhiro Tsuchiya (Osaka Univ.)

(10) 16:10 - 16:35
A Study on Geo-distributed Databases in Unstable Network Environments
Shohei Yamamoto, Taku Yamazaki, Takumi Miyoshi, Thomas Silverston (Shibaura Inst. Tech.)

(11) 16:35 - 17:00
A Study on IoT Traffic Anomaly Detection in Smart Home Environments
Naoto Watanabe, Taku Yamazaki, Takumi Miyoshi (Shibaura Inst. Tech.), Ryo Yamamoto (UEC), Thomas Silverston (Shibaura Inst. Tech.)

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Thu, Oct 7 AM (09:15 - 10:30)
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(12) 09:15 - 09:40
Research on procedural technology of 3D landscape image using fractal models and genetic algorithm
Kaito Watanabe, Naoto Hoshikawa (Oyama College), Hirotaka Nakayama (NAOJ), Atushi Shiraki, Tomoyoshi Ito (Chiba Univ)

(13) 09:40 - 10:05
A Study on UAV Flight Management System Based on Network Technologies
Takahiko Haraguchi (Shibaura Inst. Tech.), Hiroshi Katada (Waseda Univ.), Taku Yamazaki, Takumi Miyoshi (Shibaura Inst. Tech.), Kiyoshi Ueda (Nihon Univ.), Ryo Yamamoto (UEC), Thomas Silverston (Shibaura Inst. Tech.)

(14) 10:05 - 10:30
Improving Device Processing Cost by Distillation in Federated Learning
Hiromichi Yajima (Shibaura Inst. Tech), Shota Ono (The Univ. of Tokyo), Takumi Miyoshi, Taku Yamazaki, Thomas Silverston (Shibaura Inst. Tech)

----- Break ( 10 min. ) -----

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Thu, Oct 7 AM (10:40 - 11:55)
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(15) 10:40 - 11:05
Effect of Wireless Connection on Extraction Technique of Time Drift for Online Device Identification
Mitsuki Yasuda, Naoto Hoshikawa (Oyama College), Atushi Shiraki, Tomoyoshi Ito (Chiba Univ)

(16) 11:05 - 11:30
A Study towards Characterization of LPWA Mesh Networking in Real Environments
Yuta Kobayashi, Eri Hosonuma, Taku Yamazaki, Takumi Miyoshi, Yoshihiro Niitsu, Thomas Silverston (Shibaura Inst. Tech.)

(17) 11:30 - 11:55
An SDN-based Routing Method to Reduce Delay for Vehicular Ad Hoc Networks
Kazuya Hirata (Shibaura Inst. Tech.), Shota Ono (The Univ. of Tokyo), Takumi Miyoshi, Taku Yamazaki, Thomas Silverston (Shibaura Inst. Tech.)

----- Break ( 60 min. ) -----

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Thu, Oct 7 PM (12:55 - 13:40)
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(18) 12:55 - 13:40
[Invited Talk]
Wireless Communication Quality Prediction Technology Based on Personal User Information Using Federated Learning
-- The Challenge of Balancing Privacy Protection and Communication Quality Prediction --
Koki Horita, Masanobu Jimbo, Bin Yang (Sony)

----- Break ( 10 min. ) -----

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Thu, Oct 7 PM (13:50 - 14:35)
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(19) 13:50 - 14:35
[Invited Talk]
Quantum Cryptography technologies for realizing the Quantum Key Distribution platform
Keisuke Mera (Toshiba)

----- Break ( 10 min. ) -----

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Thu, Oct 7 PM (14:45 - 15:35)
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(20) 14:45 - 15:10
[Encouragement Talk]
A Study on Delay-Bounded Packet Transmission in Wireless Sensor Networks
Aya Koyama, Yosuke Tanigawa, Hideki Tode (Osaka Prefecture Univ.)

(21) 15:10 - 15:35
Stability Conditions for Cluster Structures Generated by Autonomous Distributed Spectral Clustering in Hierarchical Routing for MANET
Naoki Matsuhashi (Tokyo Metropolitan Univ.), Chisa Takano (Hiroshima City Univ.), Masaki Aida (Tokyo Metropolitan Univ.)

----- Break ( 10 min. ) -----

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Thu, Oct 7 PM (15:45 - 17:00)
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(22) 15:45 - 16:10
Minimizing Spectrum Slicing in Elastic Optical Network
Kaito Akaki, Nattapong Kitsuwan (UEC)

(23) 16:10 - 16:35
An Evaluation of Multipath Tunneling using P4
Hiroaki Motohashi, Kien Nguyen, Hiroo Sekiya (Chiba Univ.)

(24) 16:35 - 17:00
RDMA acceleration method for long-distance optical networks
Junki Ichikawa, Kiwami Inoue, Tomoya Hibi, Toru Mano, Yukio Tsukishima, Kenji Shimizu, Hideki Nishizawa (NTT)

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Fri, Oct 8 AM (09:15 - 10:30)
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(25) 09:15 - 09:40
A study of privacy-preserving distributed machine learning using Rich Clients
Saki Takano (Ochanomizu Univ.), Akihiro Nakao (The Univ. of Tokyo), Saneyasu Yamaguchi (Kogakuin Univ.), Masato Oguchi (Ochanomizu Univ.)

(26) 09:40 - 10:05
[Invited Lecture]
Probabilistic Analysis on Mining Time in Private Blockchain Networks
Xuan Chen, Kien Nguyen, Hiroo Sekiya (Chiba Univ.)

(27) 10:05 - 10:30
[Invited Lecture]
Throughput Analysis of Translation Gateway Between IP and NDN Using Dual Channel
Feri Fahrianto (Fukuoka Univ), Noriaki Kamiyama (Ritsumeikan Univ)

----- Break ( 10 min. ) -----

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Fri, Oct 8 AM (10:40 - 11:55)
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(28) 10:40 - 11:05
[Invited Lecture]
A Method for Calculating Time-Division Transfer Schedule in TSN Networks
Makoto Kubomi, Zhao Jeffrey, Daisuke Takita, Sachiko Taniguchi, Takahisa Yamauchi (Mitsubishi Electric)

(29) 11:05 - 11:30
[Encouragement Talk]
A computer time correction method based on the wide range of temperature deviation characteristics of clock signal sources
Kiyonari Katsura, Naoto Hoshikawa (NIT, Oyama College), Atsushi Shiraki, Tomoyoshi Ito (Chiba Univ.)

(30) 11:30 - 11:55
Dynamic Resource Allocation for Network Slices Based on Connection Prediction with Machine Learning and Performance Analysis with Queueing Theory
Yuji Kameyama, Yuki Kawai, Takuji Tachibana (Univ. Fukui)

----- Break ( 60 min. ) -----

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Fri, Oct 8 PM (12:55 - 13:55)
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(31) 12:55 - 13:55

# Information for speakers
General Talk will have 18 minutes for presentation and 7 minutes for discussion.
Oral Presentation (初めて研究会セッション) will have 10 minutes for presentation and 15 minutes for discussion.
Invited Talk will have 40 minutes for presentation and 5 minutes for discussion.

# CONFERENCE ANNOUNCEMENT:
- Technical Committee on Network Systems supports "Japan Digital Days 2021". ( Web : https://digital-days.digital.go.jp )
In commemoration of "Japan Digital Days 2021" (October 10-11), we are organizing a program as "Digital Day Special Session" at the October meeting, focusing on technologies that will support future digital services.

=== Technical Committee on Network Systems (NS) ===
# FUTURE SCHEDULE:

Thu, Nov 25, 2021 - Fri, Nov 26, 2021: JR Hakata Stn. Hakata EkiHigashi Rental Room , Topics: Network quality, Network measurement/management, Network virtualization, Network service, Blockchain, Security, Network intelligence/AI, etc.
Thu, Dec 16, 2021 - Fri, Dec 17, 2021: Nara-ken Bunka Kaikan and Online [Mon, Oct 18], Topics: Multi-hop/Relay/Cooperation, Disaster-resistant wireless network, Sensor/Mesh network, Ad-hoc network, D2D/M2M, Wireless network coding, Handover/AP switching/Connected cell control/Load balancing among base stations/Mobile network dynamic reconfiguration, QoS/QoE assurance, Wireless VoIP, IoT, Edge computing, etc.
Thu, Jan 27, 2022 - Fri, Jan 28, 2022: Online [Sun, Nov 14], Topics: Network software (Software architecture, Middleware), Network application, SOA/SDP, NGN/IMS/API, Distributed control/Dynamic routing, Grid, NFV, IoT, Network/System reliability, Network/System evaluation, etc.

# SECRETARY:
E-mail：ns-