Mr. Shinyoung Ahn has been a principal researcher of High Performance Computing Group with Electronics and Telecommunications Research Institute(ETRI), Daejeon, Republic of Korea, since 1999. He is also a Ph.D. candidate of Software Architecture Lab in KAIST, Daejeon, Korea. He received the B.S., M.S. degree in information engineering from SungKyunKwan University, Seoul, Korea, in 1997, 1999, respectively. He also received the M.E. degree in software engineering from Carnegie Mellon University, Pittsburgh, USA, in 2005.