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Technical Committee on Network Systems (NS)
Chair: Joji Kimura (NTT West) Vice Chair: Shigeo Urushidani (NII)
Secretary: Masaki Bandai (Sophia Univ.), Takashi Kurimoto (NTT)
Assistant: Tomonori Takeda (NTT)

DATE:
Thu, Apr 19, 2012 13:00 - 18:20
Fri, Apr 20, 2012 10:25 - 14:40

PLACE:
Eikokuji Campus, University of Kochi(5-15, Eikokuji Kochi-shi, 780-8515 Japan. 15 mins walk from JR Kochi Station, 40 mins by bus from Kochi Ryoma Airport. http://www.u-kochi.ac.jp/access/eikokuji.htm)

TOPICS:
Traffic, Network evaluation, Performance, Resource Management/Control, Traffic Engineering

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Thu, Apr 19 PM NS1 (13:00 - 14:40)
Chair: Nobuo Funabiki (Okayama Univ.)
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(1) 13:00 - 13:25
A Method of Equipment Power State Management to Save Electricity
Souichirou Fujiwara, Yoshiaki Aoki, Hiroyuki Yazaki, Shinya Narita (NTT)

(2) 13:25 - 13:50
A Diagnostic Method for Remote Monitoring System
Satoshi Tamura, Teruko Fujii, Eiichi Horiuchi, Tetsuya Yokotani (Mitsubishi Electric Corp)

(3) 13:50 - 14:15
A Study on Customer Control for Call Session Control Services
Kenta Shinohara, Hirozumi Takesue, Hidefumi Nakamura (NTT)

(4) 14:15 - 14:40
A Study on Preference Transmission Methods for the Internet Communications in Bandwidth Management Network
Takayuki Nakamura, Kiyoshi Hayase, Masao Aihara, Tsukasa Okamoto (NTT)

----- Break ( 15 min. ) -----

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Thu, Apr 19 PM NS2 (14:55 - 16:35)
Chair: Masaki Bandai (Sophia Univ.)
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(5) 14:55 - 15:20
An Adaptive Frame Skipping Control for QoE Improvement of Video Streaming Service over Wireless LAN
Fukushi Tanaka, Toshiyuki Hirai, Naoya Wada, Konosuke Kawashima (TUAT)

(6) 15:20 - 15:45
Theoretical Analysis of Capacity in Data Acquisition Systems Considering the Effect of Hidden Terminals
Yun Wen, Hiroshi Fujita, Makoto Yoshida (Fujitsu Labs)

(7) 15:45 - 16:10
A generalization of WDS clustering algorithm extension to smart-antenna in wireless mesh networks
Shigeto Tajima (Osaka Univ.), Nobuo Funabiki, Shigeru Tomisato, Masaharu Hata (Okayama Univ.), Teruo Higashino (Osaka Univ.)

(8) 16:10 - 16:35
Node Placement Method based on Robustness in Multi-Rate Wireless Mesh Networks
Shinsuke Nozawa, Takuji Tachibana (Univ. of Fukui)

----- Break ( 15 min. ) -----

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Thu, Apr 19 PM Invited Talk (16:50 - 18:20)
Chair: George Kimura (NTT West)
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(9) 16:50 - 17:35
[Invited Talk]

Nobutaka (NTT East)

(10) 17:35 - 18:20
[Invited Talk]
Actions of KDDI for the Great East Japan Earthquake
Toshiyuki Okada (KDDI)

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Fri, Apr 20 AM NS3 (10:25 - 11:40)
Chair: Takashi Kurimoto (NTT)
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(11) 10:25 - 10:50
Selective discardion of frames with N rate N+1 color marking on cascade aggregation for access network
Yu Nakayama, Noriyuki Oota (NTT)

(12) 10:50 - 11:15
Protection Switching Mechanism on the Multi-Ring Network for Node Redundancy
Koji Shibata, Kenji Kitayama, Ryuichi Kitaichi (Mitsubishi Electric Corp.)

(13) 11:15 - 11:40
Proposal and evaluation of gradual path switching to mitigate the impact on background traffic
Mikihiko Shioyama, Masayoshi Shimamura, Katsuyoshi Iida (T. I. Tech.)

----- Lunch Break ( 80 min. ) -----

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Fri, Apr 20 PM NS4 (13:00 - 14:40)
Chair: Takuji Tachibana (Univ. of Fukui)
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(14) 13:00 - 13:25
Analysis of ISP Network Structure
Norihiko Akiyama, Tetsuya Takine (Osaka Univ.)

(15) 13:25 - 13:50
Analysis of Network Heterogeneity by Using Entropy of the Remaining Degree Distribution
Lu Chen, Shin'ichi Arakawa, Masayuki Murata (Osaka Univ.)

(16) 13:50 - 14:15
Evaluation for Cost-Effective Cache Deployment and Link Traffic in ISP Networks
Megumi Shibuya, Yuichiro Hei, Tomohiko Ogishi (KDDI R&D Labs.)

(17) 14:15 - 14:40
Evaluation of Traffic Matrix Estimation on Service Integrated IP Network
Ryuta Sugiyama, Tomonori Takeda, Takashi Miyamura, Yoshihiko Uematsu (NTT)

# Information for speakers
General Talk (25) will have 18 minutes for presentation and 7 minutes for discussion.
Invited Talk (45) will have 40 minutes for presentation and 5 minutes for discussion.

# CONFERENCE ANNOUNCEMENT:
- An opening reception will be held after the first day session has been finished. Please join us.

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

Thu, May 17, 2012 - Fri, May 18, 2012: National Institute of Informatics [Fri, Mar 16], Topics: Advanced Protocol and Network Control (Application level routing, QoS and Path Control, P2P, P4P, SIP), Network System Architecture (Interface, Hardware, Software)
Thu, Jun 21, 2012 - Fri, Jun 22, 2012: Yamagata Univ. [Thu, Apr 12], Topics: Core/metro system, Photonic network system, Optical network operation and administration, Optical network design, Traffic engineering, Signaling, GMPLS, Inter-domain route control, Network monitoring, Ethernet, Optical transport network(OTN), High-speed interface, Optical control(wavelength conversion/switching/routing), optical node technology, Optical crossconnect(OXC), Optical add/drop multiplexer(OADM), Optical multipxing/demultiplexing equipment, Optical signal processing, Optical swtiching device, etc
Thu, Jul 19, 2012 - Fri, Jul 20, 2012: Iwate Univ. [Mon, May 21], Topics: Fixed/Wireless Network, Hand Over, Relay, Distributed MIMO, Mobile Ad-hoc Network, Ubiquitous Sensor Network, etc.

# SECRETARY:
E-mail：ns-