Electronics and Telecommunications Research Institute
Senior Researcher, 2014 to Present
Project (ongoing): Multi-cloud service common framework
Role: design and development of multi-cloud platform, open-source based project management, standardization activity
Project: Heterogeneous multi-cloud service brokerage platform
Role: design and development of a cloud service brokerage platform, analysis of open-source projects, operation of openstack cloud testbeds, standardization activity
Project: Big data-based IT system operation and analysis framework
Role: design of a system for a big-data analytics-driven resource management in virtual EPC (NFV-based LTE core network)
TestMidas, Inc.
Senior Researcher, 2013 to 2014
Project: An open source-based testing tool for Cloud OS validation
Role: design and development of openstack validation tool, openstack-based cloud API testing.
Gwangju Institute of Science and Technology (GIST)
Ph.D. Student, 2009 to 2012
Project: Relaxed-criteria concurrent SLA negotiations for bolstering dynamic provisioning of personalized Cloud resources
Role: researches for bargaining-based cloud SLA establishment and cloud resource management
Gwangju Institute of Science and Technology (GIST)
Master Student, 2006 to 2008
Project: Development of e-organ system based on cyber computing
Role: development of a high resolution interactive brain visualization system (3D brain, MRI, and EIT images)
Project: Research on realistic digital broadcasting technology
Role: development of a realistic broadcasting system
Project: Development of Immersive 3D networked virtual environment technology
Role: development of a delay compensation mechanism to mitigate network delay problems in 3D network virtual environment with haptic devices
Professional Activity
Open Source Project Contribution
Kubernetes project contents owner
Official member of Kubernetes organization (Github)
Paper Session Chair: The 2012 International Conference on Parallel and Distributed Processing Techniques and Applications (PDPTA’12), Cloud Computing Session
Conference Committee: Mexico Satellite Session of IEEE BigData (Mexico City, May 8, 2014)
Invited Talk regarding Cloud Computing with IoT, Handong-Univ., 2017
Invited Talk regarding Cloud Service Brokerage Systems, in the Education and Training for CSP experts sponsored by Consortium of Cloud Computing Research , 2016
Invited Talk regarding HPC over Cloud, in Korea Supercomputing Conference 2015, 2015
Invited Talk regarding HPC Cloud, in SCENT HPC Summer School at GIST, 2015
Invited Technical Committee for Cloud computing and Big data, National Computing & Information Agency (Government data center of Korea), 2012
invited expert and lecturer of the SMART Cloud group in NCIA which is a national institute to operate information systems of Korea government. Made several lectures during a year regarding Cloud computing and big data to 30 public officials including senior civil servants.
Invited Expert for Cloud computing and parallel computing systems, Mokwon University in Korea, 2012-2013
assisted a research team in Mokwon University to help the team construct a distributed computing system to process massive data from a large antenna.
Honor and Award
Award from Startup Idea Contest 2020 of ETRI
Best Paper Presentation Award from Korea Information Science Society 2014
Best paper presentation in Korea Computer Congress 2014
Best Paper Presentation Award from Korea Information Science Society 2012
Best paper presentation in Korea Computer Congress 2012
Amazon Web Services (AWS) in Education Research Grant 2012
A research proposal has been accepted from Amazon Web Services, Inc
National Scholarship for PhD from Korea government 2009–2013
Full financial support from Korea government as a PhD student in GIST
National Scholarship for MS from Korea government 2006–2008
Full financial support from Korea government as a MS student in GIST
Brain Korea 21 (BK21) Scholarship (3 times) 2003–2005
Scholarship from BK21 organized by Ministry of Education and Human Resources Development of South Korea.
Pukyong National University Scholarship for Top Student (2 times) 2005–2006
A financial support that fully covers a BS semester, given to a student who achieved the highest GPA in a semester.