Junsoo Lee

53-12 Chungpa-dong Yongsan Office: 82-2-710-9279

Seoul, Korea 140-742 Fax: 82-2-710-9296

http://cs.sookmyung.ac.kr/~jslee Email: jslee@sookmyung.ac.kr

RESEARCH INTERESTS

Computer Networks, Distributed Systems, Operating Systems, Embedded System, Wireless Sensor Networks

EDUCATION

Ph.D., Computer Science August 2004

University of Southern California, Los Angeles, CA, USA

M.S.E, Computer Engineering December 1993

University of Pennsylvania, PA, USA

M.S., Computer Science February 1992

Seoul National University, Seoul, Korea

B.S., Computer Science February 1990

Seoul National University, Seoul, Korea

EXPERIENCE

Assistant Professor Sep 2005 – Current

Sookmyung Women's University, Seoul, Korea

Postdoctoral Scholar Feb 2005 – July 2005

UCSB., Santa Barbara, CA

· Research on TCP Fairness in high bandwidth networks

· Hybrid modeling of On-Off TCP traffic

· Develop script language and translator for hybrid modeling language simulator

· Hybrid models of wireless sensor network

Research Assistant June 2000 – Dec 2002

USC., Los Angeles, CA

· Hybrid Modeling of TCP Congestion Control

· Design system and network protocols for Secure Stochastic Routing in NS-2.

· Research on distributed denial of service attack

· Develop new TCP-PR for persistent packet reordering

Teaching Assistant

USC., Los Angeles, CA 1999-2000, Jan 2003 – Aug 2004

· Introduction to Computer Networks, Multimedia Systems Design, Operating Systems

· Taught discussion classes for Computer Networks

Senior Researcher

Samsung Electronics., Seoul, Korea Jan 1994 – Jun 1999

· Design and implement ATM VIA architecture (Embedded Software and System Area Network interface)

· Evaluate performance of interconnection networks for massively parallel processors

· Develop reliable and fast file system and Embedded software for TDX10A switch

· Evaluate Windows NT clusters and design cluster alert software

· Develop ATM Network Device Drivers for UNIX Operating System

· Improve UNIX to optimize performance for massively parallel processors

Research &Teaching Assistant Mar 1990 – Dec 1992

Seoul National University, Seoul, Korea

· Develop File System for the POSIX Compliant Operating System

· Taught C and FORTRAN at the Seoul National University computer center

PUBLICATIONS (Authors in Alphabetical Order)

Ph.D Dissertation

· Junsoo Lee. A Hybrid Systems Modeling Framework for Transport Protocols, 2004

Journal Papers

· Junsoo Lee, Stephan Bohacek, Joao Hespanha, Junsoo Lee, Katia Obraczka. Modeling Data Communication Networks Using Hybrid Systems, Submitted to IEEE/ACM Transactions on Networking, 15(3):630-643, June, 2007,

· Stephan Bohacek, Joao Hespanha, Junsoo Lee, Chansook Lim, Katia Obraczka. A New TCP for Persistent Packet Reordering-TCP-PR, IEEE/ACM Transactions on Networking, 14(2):369-382, Apr. 2006

· Stephan Bohacek, Joao Hespanha, Katia Obraczka, Junsoo Lee. Hybrid Modeling of TCP Congestion Control. In Maria Domenica Di Benedetto, Alberto Sangiovanni-Vincentelli, Hybrid Systems: Computation and Control, number 2034 in Lect. Notes in Computer Science, pages 291-304, Mar. 2001.

Conference Papers

· Junsoo Lee, Hongjoong Kim , Variable Step Fluid Simulation for Communication Network, Networking, 2006

· Junsoo Lee, Simulation of Internet Transport Protocols for High Bandwidth-Delay Networks, In Proc. of ICCSA, LNCS, 2006

· Stephan Bohacek, Joao Hespanha, Junsoo Lee, Katia Obraczka. A Hybrid Systems Modeling Framework for Fast and Accurate Simulation of Data Communication Networks. 2003. ACM SIGMETRICS (11.7 % acceptance rate)

· Stephan Bohacek, Joao Hespanha, Junsoo Lee, Chansook Lim, Katia Obraczka. TCP-PR: TCP for Persistent Packet Reordering. May 2003. Conf. on Distributed Computing (ICDCS) Systems (17 % acceptance rate)

· Stephan Bohacek, Joao Hespanha, Junsoo Lee, Chansook Lim, Katia Obraczka. Enhancing security via stochastic routing. In Proc. of the 11th IEEE Int. Conf. on Comput. Communications and Networks (ICCCN), Oct 2002.

· Stephan Bohacek, Joao Hespanha, Junsoo Lee, Katia Obraczka. Analysis of a TCP hybrid model. In Proc. of the 39th Annual Allerton Conf. on Comm., Contr., and Computing, Oct. 2001.

Technical Report

· Stephan Bohacek, Joao Hespanha, Junsoo Lee, Katia Obraczka. A Hybrid Systems Framework for TCP Congestion Control: A Theoretical Model and its Simulation based Validation, Jul 2002

· Stephan Bohacek, Joao Hespanha, Junsoo Lee, Katia Obraczka. Fairness Study of TCP/IP in High Bandwidth-Delay Product Networks , USC, Dec 2004

PATENT

· Breakdown Sensing Breakdown Device and the Sensing Method of Cluster Node in the Multi-Cluster System, 1998

BOOK

· Junsoo Lee, Hyucksoo Han, Yoonchul Back, Hongrung Science Publication, Internet Practice, June 1998

PROJECTS

· Implement TCP-PR Protocol on LINUX Operating System

· Experiment security vulnerability of TCP/IP of LINUX operating system

· Implement file system, memory manager, process synchronization on Nachos operating system

· Design and implement file system for POSIX compliant operating system

SKILL

· C, C++, MFC, WIN 32 API, AWK, PERL, CGI, HTML, TCL/TK, Visual Basic, ODBC, JAVA script, SQL

· UNIX, VxWORKS, VRTX, FreeBSD, LINUX, Windows NT/XP

REFERENCE

· Dr. Katia Obraczka (katia@cse.ucsc,edu, voice: 831-459-4308)

o Associate Professor

o Computer Engineering Department

o University of California, Santa Cruz,

o 1156 High Street, Santa Cruz, CA 95064

· Dr. Joao Hespanha (hespanha@ece.ucsb.edu, voice: 805-893-7042)

o Associate Professor

o Electrical & Computer Engineering Dept

o University of California Santa Barbara, CA 93106

· Dr. Stephan Bohacek(bohacek@eecis.udel.edu, voice:302-831-4174)

o Assistant Professor

o Electrical & Computer Engineering Dept

o University of Delaware, DE 19716