Muhammad Aamir

Work place: SZABIST, Karachi, Pakistan



Research Interests: Computer systems and computational processes, Computational Learning Theory, Computer Vision, Pattern Recognition, Image Compression, Image Manipulation, Image Processing


Muhammad Aamir is M.S. in Information Technology from SZABIST, Karachi, Pakistan. His research interests include Computer Networks, IP based Communication Systems and Network Security. He holds the student membership of IEEE.

Author Articles
Study and Performance Evaluation on Recent DDoS Trends of Attack & Defense

By Muhammad Aamir Muhammad Arif

DOI:, Pub. Date: 8 Jul. 2013

Different types and techniques of DDoS attacks & defense are studied in this paper with some recent information on attacks dominated in year 2012 (1st Quarter). We further provide simulation based analysis of an FTP server’s performance in a typical enterprise network under distributed denial of service attack. Simulations in OPNET show noticeable variations in connection capacity, task processing and delay parameters of the attacked server as compared to the performance without attack. DDoS detection and mitigation mechanisms discussed in this paper mainly focus on some recently investigated techniques. Finally, conclusions are drawn on the basis of survey based study as well as simulation results.

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