Hiroyuki Ohsaki's Home Page

Hiroyuki Ohsaki received the M. E. degree in the Information and Computer Sciences from Osaka University, Osaka, Japan, in 1995. He also received the Ph. D. degree from Osaka University, Osaka, Japan, in 1997. He is currently a professor at Department of Informatics, School of Science and Technology, Kwansei Gakuin University, Japan. His research work is in the area of design, modeling, and control of large-scale communication networks. He is a member of IEEE and IEICE. His e-mail address is ohsaki[atmark]lsnl.jp

Design, Modeling, and Control of Large-Scale Communication Networks

• Large-Scale Network
• Network Architecture
• Complex Network
• Future Internet
• Information-Centric Networking
• Delay/Disruption-Tolerant Networking
• Social Networking
• Automotive Network
• Graph Neural Network
• Transport Protocol
• Control Theory

Link tointroduction to my research themes (in Japanese)

Desktop Environment

• xpywm--- a simple but extensible X11 window manager written in Python
• xpymon--- a versatile WiFi/network/battery/CPU/video system monitor on Linux
• xpylog--- an xconsole-like syslog monitor on X11
• pwm--- a simple but extensible X11 window manager written in Perl
• pwmmon--- a simple Linux status monitor on X11
• pwmlog--- a simple syslog monitor on X11

Utilities

• sendscreen--- display local desktop on remove host over LAN without VGA/HDMI cable
• calc--- a simple Perl-based calculator for network engineers/researchers
• stats--- calculate several statistics for each column
• casl--- simple implementation of CASL assembler/COMET simulator in Perl
• sample-calc--- a sample calcurator written in Perl with Parse::YYLex and pbyacc (Perl version of Lex/Yacc)

Python Modules

• tbdump--- display helpful information for debbugging in case of errors/exceptions
• ansiterm--- change color and style (bold, reverse) of text on display
• perlcompat--- Perl-like utility functions such as warn, die, getopt, and require

Tools for Experiments

• graph-tools--- tools for graph theory and network science with many generation models
• graphtools--- Graph handling libraries and utilities

Tools for Visualization

• cellx--- command-driven drawing/visualization/animation/presentation tool
• cell--- CELL language interpreter for visualization using SDL/OpenGL/PostScript/AVI/PDF
• xdoplot--- An easy-to-use wrapper program for Gnuplot

Tools for Writing

• format-paragraph.el--- format Japanese paragraph for easier reading/editing
• doc-annotate.eldoc-annotate-clip--- a Major-mode for editing and viewing annotations for an image file
• jcorrect--- A simple Japanese grammer checker
• jcorrect.el--- run grammer checker using jcorrect command
• bibcheck--- A consistency checker for BibTeX files
• pkingtr--- A simple wrapper for kingtr command (part of IBM Translation King)
• king.el--- translate line/region using IBM Translation King (Honyaku-no-Ousama)

TeX/LaTeX Style Files

• insertfig.sty--- LaTeX style file for including EPS figures
• revhistory.sty--- LaTeX style file for recording revision history

Network Simulators

• dtnsim--- DTN (Delay/Disruption Tolerant Networking) simulator with several agent/mobility models
• pdtnsim--- Perl-based DTN Simulator

Research Outcomes

• fsim--- High-speed network simulator for large-scale network simulations
• GridFTP-APT--- GridFTP extension to automatically adjust the number of parallel connections in long-fat networks

ns2 (Network Simulator) Extensions

• linkmonitor.tcl--- Class for realtime monitoring of link statistics[Sample]
• linkstats.tcl--- Class for obtaining all link statistics[Sample]
• flowmonitor.tcl--- Class for realtime monitoring of flow statistics[Sample]
• flowstats.tcl--- Class for obtaining all flow statistics[Sample]
• runmonitor.tcl--- Display running status of NS2 simulator[Sample]

Emacs Lisp

• rsync.el--- interactively run rsync command
• math-mode.elmath-syms.el--- yet another Mathematica mode for Emacsen

MIDI Related

• AKAI S3000 series disk and file format
• akaitools--- tools for Akai S-series samplers
• sy77tools--- utilities to manage Yamaha SY77 patch files
• midi2syx--- a simple Perl script to extract system exclusive chunks from a standard MIDI file