Research Interests

system security, software-defined networks, operating systems, and system software for non-volatile memory

Education

• Ph.D, Computer Science, Purdue University, Aug 2020 ~
• M.S., Platform Software, Sungkyunkwan University, Mar 2015 ~ Oct 2016
• B.S., Software Engineering, Sungkyunkwan University, Mar 2011 ~ Feb 2015

Research Experience

• Research Assistant, PURSEC Lab, Purdue University, West Lafayette, IN, USA, Aug 2020 ~ Present (Advisor: Prof. Dave Tian)
  • Participated in projects on security for software-defined networking
• Research Assistant, ARCS Lab, Sungkyunkwan University, Suwon, Republic of Korea, Mar 2014 ~ Oct 2016 (Advisor: Prof. Hwansoo Han)
  • Participated in projects on system software for non-volatile memory
• Research Intern, M2M Lab, Purdue University, West Lafayette, IN, USA, Aug 2013 ~ Feb 2014 (Advisor: Prof. Eric Matson)
  • Participated in NIPA/Capstone Internship Program
  • Designed and developed road guidance system for visually impaired with Arduino and Android application
• Co-op Research Assistant, Sungkyunkwan University, Suwon, Republic of Korea, Mar 2012 ~ Jan 2013 (Advisor: Prof. Jee-Hyong Lee)
  • Cooperative Project with AhnLab
  • Analyzed a doctoral thesis and source code on high-performance packet classification for Netfilter

Professional Experience

• Research Engineer, ATTO Research, Seongnam, Republic of Korea, Sep 2016 ~ Jul 2020
  • Created flow-specific database for concurrent and consistent software-defined network updates
  • Designed and developed SDN applications to manage underlay/overlay networks in private cloud
  • Developed secure SDN controller cluster with TLS, RBAC, and flow monitoring
  • Implemented domain-specific language and command-line interface for SDN controller
• Intern, Acryl Inc., Seoul, Republic of Korea, Jan 2013 ~ Feb 2013
  • Developed prototype of Android messenger application
• Intern, Hancom corp., Seongnam, Republic of Korea, Feb 2012
  • Participated in quality assurance team

Publications

Journal Articles/Conference Papers

• Jungsik Choi, Jiwon Kim, Hwansoo Han. Efficient Memory Mapped File I/O for In-Memory File Systems, USENIX Workshop on Hot Topics in Storage and File Systems (HotStorage’17), Jul 2017.

• Jungsik Choi, Joonwook Ahn, Jiwon Kim, Sungtae Ryu, Hwansoo Han. In-Memory File System with Efficient Swap Support for Mobile Smart Devices, IEEE Transactions on Consumer Electronics (TCE), Vol. 62(3), pp. 275-282, Aug 2016.

Domestic Journal Articles/Conference Papers (Korean)

• Kyungjun Lee, Jiwon Kim, Sungtae Ryu, Hwansoo Han, In-Memory File System Backed by Cloud Storage Services as Permanent Storages, Journal of KIISE, Vol. 43(8), pp. 841-847, Aug 2016.

• Jiwon Kim, Kyungjun Lee, Sungtae Ryu, Hwansoo Han, Performance Analysis of Cloud-Backed File Systems with Various Object Sizes, Journal of KIISE, Vol. 43(7), pp. 744-750, Jul 2016.

• Inseok Koh, Jiwon Kim, Heeseung Jo, Eric T. Matson, Smart Cane Navigator: Obstacle Avoidance Navigation System for Visually Impaired, KIISE Korea Computer Congress 2016 (KCC’16), Jun 2016.

• Jiwon Kim, Jungsik Choi, and Hwansoo Han, Mapping Cache for High-performance Memory Mapped File I/O in Memory File Systems, Journal of KIISE, Vol. 43(5), pp. 524-530, May 2016.

Patents

• Jungsik Choi, Hwansoo Han, Jiwon Kim, Memory mapping management method for nonvolatile main memory system, US Patent 10,185,654, 2019.

• Jiwon Kim, Yongjoo Song, Method, apparatus and computer program for supporting distributed snat in a cloud environment in a software defined network, KR 10-2200402, 2021.

• Jiwon Kim, Jaekyun Shim, Yongjoo Song, Methods, apparatus and computer programs for providing high availability and reliability in software defined network, KR 10-2092091, 2020.

• Yongjoo Song, Jiwon Kim, Method, apparatus and computer program for tracking traffic using software defined networking, KR 10-2066555, 2020.

• Hyunwoo Park, Jiwon Kim, Inwook Hwang, Jaeho Kim, Beomsoo Park, Yongjoo Song, Method and computer program for handling trouble using packet-out message in software defined networking environment, KR 10-1969304, 2019.

• Jiwon Kim, Hyunwoo Park, Inwook Hwang, Jaewoong Chung, Method, apparatus and computer program for defending software defined network, KR 10-1932656, 2018.

• Hyunwoo Park, Jiwon Kim, Inwook Hwang, Jaeho Kim, Beomsoo Park, Yongjoo Song, Method and computer program for handling trouble using flow-mod message in software defined networking environment, KR 10-1931543, 2018.

• Jiwon Kim, Inwook Hwang, Yongjoo Song, Method, apparatus, and computer program for verifying host status information in a software defined network, KR 10-1931139, 2018.

• Hwansoo Han, Jungsik Choi, Jiwon Kim, Method for atomic update of memory mapped files stored in non-volatile memory and control apparatus thereof, KR 10-1881038, 2018.

Teaching Experience

• SWE2013, Software Creative Project, SKKU, Spring 2016
• SWE3010, Compiler Design, SKKU, Fall 2015
• ICE2002, Data Structures, SKKU, Fall 2015
• GEDB029, Basis and Practice in Programming, SKKU, Spring 2015

Honors and Awards

• Hall of Fame, ATTO Research, Aug 2018
• Outstanding Paper Award, Korea Institute of Information Scientists and Engineers, Dec 2015
• Dean’s List, Sungkyunkwan University, Apr 2013 and Oct 2012

Scholarships

• Ross Fellowship, Purdue University, Oct 2020 ~ Oct 2024
• Simsan Scholarship, Sungkyunkwan University, Mar 2016 ~ Aug 2016
• Masters and Doctors Connected Track Scholarship, Sungkyunkwan University, Mar 2015 ~ Aug 2016
• National Science & Technology Scholarship, Korea Student Aid Foundation, Mar 2011 ~ Feb 2015