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The current research topics are listed in the
below. Selected papers are also included for each research topic.
Integrated Multimedia QoS Architecture
An approach for heterogeneous video multicast
using active networking
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Hector Akamine, Naoki Wakamiya and Hideo
Miyahara, "Heterogeneous Video Multicast in an Active Network,"
submitted to IEICE Transactions on Communications, January 2001. [pdf]
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Hector Akamine, "Heterogeneous video
multicast using QoS filters in active networks," Master's thesis,
Graduate School of Engineering Science, Osaka University, February 2001. [pdf]
Integrated resource allocation scheme for
real-time video transfer
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Taketo Yamashita, Naoki Wakamiya, Masayuki
Murata and Hideo Miyahara, "Implementation and evaluation of integrated
resource allocation scheme for real-time video transfer to maximize users'
utility," in Proceedings of APCC 2000, (Seoul), pp. 390-394,
October-November 2000. [pdf]
Video transfer with TCP-friendly rate control
protocol
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Naoki Wakamiya, Masayuki Murata and Hideo
Miyahara, "TCP-friendly video transfer," in Proceedings of SPIE
International Symposium on Information Technologies 2000, (Boston),
November 2000. [pdf]
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Masaki Miyabayashi, Naoki Wakamiya, Masayuki
Murata and Hideo Miyahara, "MPEG-TFRCP: Video transfer with
TCP-friendly rate control protocol," to be presented at IEEE
International Conference on Communications 2001 (ICC 2001), June 2001. [pdf]
Proxy caching mechanisms with video quality adjustment
-
Masahiro Sasabe, Naoki Wakamiya, Masayuki
Murata, and Hideo Miyahara, "Proxy Caching Mechanisms with Video
Quality Adjustment, submitted to SPIE ITCom 2001, February
2001.
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Feedback Mechanism in Packet Switching Networks
A control theoretical analysis of a window-based
flow control mechanism in TCP/IP networks
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Keiichi Takagaki, Hiroyuki Ohsaki and Masayuki
Murata, "Analysis of a window-based flow control mechanism based on TCP
Vegas in heterogeneous network environment," to be presented at IEEE
ICC 2001, June 2001. [pdf]
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Hiroyuki Ohsaki, Keiichi Takagaki, and Masayuki
Murata, "A control theoretical analysis of a window-based flow control
mechanism for TCP connections with different propagation delays,"
submitted to SPIE's International Symposium on the Convergence of
Information Technologies and Communications, February 2000.
Steady state analysis of the RED gateway
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Hiroyuki Ohsaki, Yuichiro Mera, Masayuki
Murata, and Hideo Miyahara, "Steady state analysis of the RED gateway:
stability, transient behavior, and parameter setting," submitted to ACM
SIGMETRICS 2001/PERFORMANCE 2001, November 2000. [pdf]
Application of control theory to a window-based
flow control mechanism with ECN routers
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Hiroyuki Ohsaki, Masayuki Murata, and Hideo
Miyahara, "Application of control theory to a window-based flow control
mechanism with ECN routers," submitted to Performance Evaluation,
August 2000. [pdf]
Modeling end-to-end packet delay dynamics
of the Internet
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Hiroyuki Ohsaki, Masayuki Murata, and Hideo
Miyahara, "Modeling end-to-end packet delay dynamics of the
Internet using system identification," submitted to International
Teletraffic Congress 17, January 2001. [pdf]
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High-Speed Transport Architecture
Fairness improvements of TCP congestion control
mechanisms
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Go Hasegawa, Masayuki Murata and Hideo
Miyahara, "Fairness and stability of congestion control mechanisms of
TCP," Telecommunication Systems Journal, pp. 167-184, November
2000. [pdf]
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Go Hasegawa and Masayuki Murata, "Survey
on fairness issues in TCP congestion control mechanisms," to appear in IEICE
Transactions on Communications, January 2001. [pdf]
Packet scheduling for achieving fairness among TCP
connections
-
Kenji Kurata, Go Hasegawa, Masayuki Murata,
"Fairness comparisons between TCP Reno and TCP Vegas for future
deployment of TCP Vegas," in Proceedings of INET 2000, July
2000. [pdf]
-
Kenji Kurata, "A study on high speed
packet scheduling method for achieving fairness among TCP connections,"
Master's thesis, Graduate School of Engineering Science, Osaka-University,
February 2001. [pdf]
Scalable socket buffer tuning for high-performance
Web servers
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Go Hasegawa, Tatsuhiko Terai and Masayuki
Murata, "Scalable socket buffer tuning for high-performance Web
servers," submitted to ACM SIGCOMM 2001, January 2001. [pdf]
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Tatsuhiko Terai, Takuya Okamoto, Go Hasegawa
and Masayuki Murata, "Implementation of dynamic socket buffer
assignment mechanism for high-performance Web servers," submitted to SPIE
ITCom 2001, February 2001. [pdf]
Study on thousands of TCP flows
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Go Hasegawa and Masayuki Murata, "The
dynamic threshold control algorithm of RED for thousands of TCP flows,"
submitted to SPIE ITCom 2001, February 2001. [pdf]
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High-Speed Packet Switching Architecture
Analysis of Internet traffic and its application
to designs of high-speed routers
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Shingo Ata, Masayuki Murata, and Hideo
Miyahara, "Analysis of network traffic and its application to design of
high-speed routers," IEICE Transactions on Information and Systems,
Vol. E83-D, pp. 988-995, May 2000. [pdf]
Efficient cache structure of IP routers
-
Shingo Ata, Masayuki Murata, and Hideo
Miyahara, "Efficient cache structures of IP routers to provide
policy-based services," to be presented at IEEE ICC 2001, June
2001. [pdf]
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Internet Traffic Characterization and Its Application
Internet capacity dimensioning based on traffic
measurement and its statistical analysis
-
Kazumine Matoba, "A study on the Internet
capacity dimensioning based on traffic measurement and its statistical
analysis," Master's thesis, Graduate School of Engineering Science,
Osaka University, February 2001. [pdf]
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Kazumine Matoba, Shingo Ata, and Masayuki
Murata, "Improving accuracy of bandwidth estimation for Internet links
by statistical methods," to appear in IEICE Transactions on
Communications, June 2001. [pdf]
Statistical analysis of packet delays in the
Internet
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Kouhei Fujimoto, Shingo Ata, and Masayuki
Murata, "Statistical analysis of packet delays in the Internet and its
application to playout control for streaming applications," to appear
in IEICE Transactions on Communications, June 2001. [pdf]
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Kouhei Fujimoto, Shingo Ata, and Masayuki
Murata, "Playout control for streaming applications by statistical
delay analysis," to be presented at IEEE International Conference on
Communications 2001 (ICC 2001), June 2001. [pdf]
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Photonic Network Architecture
IP over a-thousand-wavelength division
multiplexing:
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Masayuki Murata, Ken-ichi Kitayama and Hideo
Miyahara, "IP over a-thousand-wavelength division multiplexing: Is it
useful and possible for resolving the network bottlenecks?," submitted
to Optical Networks Magazine, November 2000. [pdf]
Design method of logical topology for IP over WDM
networks
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Junichi Katou, Shin'ichi Arakawa, and Masayuki
Murata, "A design method of logical topology for IP over WDM networks
with stable routing," to be presented at The Fifth Working
Conference on Optical Network Design and Modeling, February 2001. [pdf]
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Junichi Katou, Shin'ichi Arakawa, and Masayuki
Murata, "A Design Method of Logical Topology with Stable Packet Routing
in {IP} over WDM Network,", submitted to IEEE Journal on Selected
Areas in Communications, February 2001. [pdf]
Design methods of multi-layer survivability in IP
over WDM networks
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Shin'ichi Arakawa, Masayuki Murata, Hideo
Miyahara, "Design methods of multi-layer survivability in IP over WDM
networks," in Proceedings of OptiComm 2000, pp. 279-290, October
2000. [pdf]
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Shin'ichi Arakawa, Masayuki Murata, Hideo
Miyahara, "Functional partitioning for multi-layer survivability in IP
over WDM networks," IEICE Transactions on Communications, pp.
2224-2233, October 2000. [pdf]
Optical burst switching
-
Ikutaro Ogushi, Shin'ichi Arakawa, Masayuki
Murata and Ken-ichi Kitayama, "Parallel reservation protocols for
achieving fairness in optical burst switching," submitted to IEEE
Workshop on High Performance Switching and Routing, November 2000. [pdf]
Traffic accommodation for optical compression TDM/WDM
rings
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Kazuhiro Gokyu, Ken-ichi Baba and Masayuki
Murata, "Scheduling algorithm for uniform/nonuniform traffic in
unidirectional optical compression TDM/WDM rings with tuning latency,"
submitted to ACM Transactions on Optical Networks and Systems (TONS),
January 2001. [pdf]
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Kazuhiro Gokyu, "Traffic accommodation
methods for optical compression TDM/WDM ring networks," Master's
thesis, Graduate School of Engineering Science, Osaka-University, February
2001. [pdf]
Photonic label switch architecture
-
Masayuki Murata and Ken-ichi Kitayama, "A
perspective on photonic multi-protocol label switching," submitted to IEEE
Network Magazine, November 2000. [pdf]
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Masayuki Murata and Ken-ichi Kitayama,
"Photonic Label Switch Supporting Asynchronous and
Variable-Length," submitted to IEEE Journal on Selected Areas in
Communications, February 2001. [pdf]
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Integrated Wired/Wireless Communication Architecture
TCP over wireless cellular networks
-
Masahiro Miyoshi, Masashi Sugano and Masayuki
Murata, "Performance evaluation of TCP throughput on wireless cellular
networks," to be presented at IEEE VTC 2001 Spring, May 2001. [pdf]
Ad ho network architecture
-
Masashi Sugano, Tsutomu Araki, Masayuki Murata,
Takaaki Hatauchi and Yohei Hosooka, "Performance evaluation of a
wireless ad hoc network: Flexible Radio Network (FRN)," in Proceedings
of 2000 IEEE International Conference on Personal Wireless Communications,
(Hyderabad), pp. 350-354, December 2000. [pdf]
Soft handoff in CDMA mobile cellular networks
-
Atsushi Nagate, Masashi Sugano, Masayuki Murata
and Hideo Miyahara, "An integrated approach for performance modeling
and evaluation of soft handoff in CDMA mobile cellular systems," in Proceedings
of VTC Fall 2000, (Boston), September 2000. [pdf]
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Atsushi Nagate, Masashi Sugano, Masayuki Murata
and Hideo Miyahara, "The effect of three-way soft handoff for
integrated evaluation in CDMA mobile cellular systems," in Proceedings
of APCC 2000, (Seoul), pp. 617-621, October-November 2000. [pdf]
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