Hiroyuki Ohsaki's Home Page

[Japanese]


My favorite animal in the world...Lesser Panda
Copyright (C) 2004 Hiroyuki Ohsaki

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 an associate professor at Department of Information Networking, Graduate School of Information Science and Technology, Osaka University, Japan. His research work is in the area of traffic management in high-speed networks. He is a member of IEEE and Institute of Electronics, Information, and Computer Engineers of Japan (IEICE). His e-mail address is oosaki[atmark]ist.osaka-u.ac.jp

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Current Research Themes

Keywords

Large Scale Network, High Speed Network, Grid Networking, Congestion Control, Network Modeling, Performance Evaluation, Network Measurement, Transport Protocol, Virtual Private Network, Scale-Free Network

CYBERSOCIETY Group

CONTROL Group

ARCHITECTURE Group

Publications

Research Papers

Master's Thesis

  • "Performance evaluation of rate-based congestion control methods in ATM networks" [PostScript] [PDF]

Ph. D. Thesis

  • "Studies on congestion control schemes for best-effort traffic in ATM networks" [PostScript] [PDF]


Room A509: the place for research activities

Research Tips


Room A509: the place for meetings and seminars with graduate/undergraduate students

Tips Series (Japanese)

Other Tips (Japanese)

Template Files (Japanese)

Experiment Design

General Information

Lectures

Undergraduate Course

Graduate Course

Events

Queuing theory basics in Information Networking

Original Software

Research Related

  • fsim --- High-speed network simulator for large-scale network simulations
  • xdoplot --- An easy-to-use wrapper program for Gnuplot
  • calc --- A simple Perl-based calculator for network engineers/researchers
  • stats --- Calculate several statistics for each column
  • graphtools --- Graph handling libraries and utilities
  • jcorrect --- A simple Japanese grammer checker [Web interface]
  • bibcheck --- A consistency checker for BibTeX files [Web interface]
  • pkingtr --- A simple wrapper for kingtr command (part of IBM Translation King)

Emacs Lisp

  • rsync.el --- Interactively run rsync command
  • format-paragraph.el --- Format Japanese paragraph for easier reading/editing
  • jcorrect.el --- Run grammer checker using jcorrect command
  • king.el --- Translate line/region using IBM Translation King (Honyaku-no-Ousama)

TeX/LaTeX Style Files

ns2 (Network Simulator) Related

MIDI Related

  • 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

Computer Related

  • 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)

Original Music

Piano Improvisations

These music files are encoded in MP3 format. Play with your favorite MP3 player.

Copyright (C) 2004 Hiroyuki Ohsaki

Contact Information


Lesser Panda @ Hirakata Park
Copyright (C) 2004 Hiroyuki Ohsaki

Laboratory Location

Information Sharing Platform Laboratory
Department of Information Networking
Graduate School of Information Science and Technology, Osaka University
1-5, Yamadaoka, Suita, Osaka 565-0871, Japan
Tel: +81-6-6879-4551
Fax: +81-6-6879-4554
E-mail: oosaki[atmark]ist.osaka-u.ac.jp

Graduate School of Information Science and Technology: our laboratory is on 5th floor

Directions

Directions (Japanese)
Hiroyuki Ohsaki (oosaki[atmark]ist.osaka-u.ac.jp)
Last modified: Thu Feb 11 19:38:26 JST 2010