Friday, May 02, 2014, 10:30am
Professor, Dipartimento di Elettronica e Informazione, Politecnico di Milano
"Energy Efficiency vs Reliability in Wireless and Wired Networks"
Abstract: Due to Internet and cellular networks rapid expansion, the ICT sector contributes with a 2% of annual global greenhouse gas (GHG) emissions, and 5.5% of the total energy consumption in the world. Green Networking is a new research area aiming at the optimization of energy consumption with different tools like new energy efficient network devices, new methodologies for power aware network design, and new energy management strategies.
Since the energy consumption of networking devices that does not depend on traffic load, most of the existing approaches dynamically adapt the capacity and topology of the networks exploiting sleep modes of advanced hardware and software platforms. This approach may impact on the reliability of the communication infrastructure as it reduces the active resources to the minimum required to serve the traffic requests. How energy efficiency strategies conflict with reliability is a questionable and interesting research topic that has attracted a lot of research work among the networking community. The aim of my talk is to discuss the research main trends in energy efficient networks and to analyze the tradeoffs and limitations due to the reliability requirements.
Bio: Prof. Luigi Fratta received the Doctorate in Electrical Engineering from the Politecnico di Milano, Milano, Italy, in 1966. As a Research Assistant at the Department of Computer Science, University of California, Los Angeles, he participated in data network design under the ARPA project from 1970 to 1971. From 1975 to 1976 he was at the Computer Science Department of the IBM Thomas J. Watson Research Center, Yorktown Heights, NY, working on modeling analysis and optimization techniques for teleprocessing systems. In 1979 he was a Visiting Associate Professor in the Department of Computer Science at the University of Hawaii. In the summer of 1981 he was at the Computer Science Department, IBM Research Center, San Josè, CA, working on local area networks. During the summers of 1983, 1989 and 1992 he was with the Research in Distributed Processing Group, Department of Computer Science, U.C.L.A., working on fiber optic local area networks. During the summer of 1986 he was with Bell Communication Research working on metropolitan area networks. In 1994 he has been Visiting Scientist at NEC Network Research Lab, Japan. During the summer of 2000 he was Visiting Professor at Computer Sciences Department of the University of Canterbury, New Zealand. During the winter 2009 he was Visiting Scientist at the EE Dept. Imperial College, UK. During Fall 2010 he was Visiting Scholar at Computer Science Dept., Univ. of California, Los Angeles, USA. From 1980 to 2012 he has been Full Professor at the Dipartimento di Elettronica e Informazione of the Politecnico di Milano. At present he is enjoying his retirement cultivating research interests on computer communication networks, packet switching networks, multiple access systems, modeling and performance evaluation of communication systems, local area networks, wireless cellular systems and green networking. Dr. Fratta is Fellow of IEEE.
Hosted by: EECS Prof. Aleksandar Kuzmanovic