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Toward Power-aware Networking

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Energy and the environment are two of the most critical issues facing our society today. Recent reports suggest that ICT is currently responsible for a small but rapidly growing percentage of the global carbon footprint. While “Green ICT ” is a relatively new area, there is a growing awareness of the need for focused research efforts on this topic. I will begin this talk by describe how the current computing and communication paradigms have led to the current levels of energy use and the challenges we face in moving toward energy/ carbon-aware ICT . As an example of what might be done, I will describe results from our recent work on optimizing IP routing in an energy-aware fashion. That study began with the careful benchmarking the energy use of several canonical examples of IP routes. Using those measurements, we then built an optimization model that enabled us to consider how to minimize power consumption over a range of network configurations and traffic profiles. Our results showed that in some cases dramatic reductions in power consumption are possible. I will conclude this talk by describing several of our current research efforts that are focused on developing techniques and building tools that will significantly reduce power consumption in ICT .

Bio: Paul Barford is an associate professor of computer science at the University of Wisconsin-Madison and a visiting professor at the Computer Laboratory at Cambridge University, where he is also a Visiting Fellow at Wolfson College. Paul received a BS in electrical engineering from the University of Illinois and a PhD in computer science from Boston University. His research interests are in Internet measurement and monitoring, Internet security and power-aware networking. Paul is the founder of the Wisconsin Advanced Internet Laboratory at UW-Madison. He was also the founder and CEO of Nemean Networks, a network security startup company that was recently acquired by Qualys, Inc. Paul currently serves as Chief Scientist for Qualys. Paul has served on national panels, organizing and program committees for many different conferences and workshops, he was an associate editor for ACM /IEEE Transactions on Networking, and a member of the board of directors of the National Lambdarail – a research network service provider.

This talk is part of the Computer Laboratory Systems Research Group Seminar series.

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