Abbas has received his B.Sc. degree in hardware engineering from University of Tehran in 1998 and received his M.Sc. in software engineering from Sharif university of technology in 2001. He received his Ph.D. from Sharif University of Technology. His research interest includes mobility modeling, sensor networks, performance evaluation, high performance computing, interconnection networks and fault-tolerant systems. For more information please visit http://www.nayebi.com.

Hamid has recieved his B.Sc. in Electrical Engineering-Computer Hardware in 1991 from Shahid-Beheshti University, Tehran, Iran; M.Sc. in Computer Engineering-Computer Architecture in 1993 from Sharif University of Technology, Tehran, Iran and Ph.D. in Computing Science in 2002 from University of Glasgow, Glasgow, U.K. He is now faculty member of sharif university of technology and senior associate researcher in "Institute for studies in theoretical physics and mathematics" (IPM). His research interest include Interconnection Networks, Parallel and Distributed Systems and Algorithms, High-Performance Computer Architecture, Performance Modelling/Evaluation, Graph Theory and Combinatorics, Image Processing and Computational Aspects of Atomic Physics.

Arash has received his B.Sc. degree in hardware engineering from Iran University of Science and Technology in 2002. He is currently M.Sc. student at Sharif University of Technology. His research interest includes performance evaluation, high performance computing, interconnection networks and fault-tolerant systems.