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UTM Lab Meeting: Mixing Packets: Pros and Cons of Network Coding
By allowing intermediate nodes in mobile ad-hoc and sensor networks to perform non-trivial operations on packets, thus mixing data from multiple streams, network coding breaks with the ruling store and forward networking paradigm and opens a myriad of challenging questions. Following an overview of the theory and practice of emerging network coding protocols, we provide a taxonomy of their security vulnerabilities, which highlights the differences between attack scenarios in which network coding is particularly vulnerable and other relevant cases in which the intrinsic properties of network coding allow for stronger and more efficient security solutions than classical routing. Furthermore, we give practical examples where network coding can be combined with classical cryptography both for secure communication and secret key distribution. Throughout the talk we shall identify a number of research challenges deemed relevant towards the applicability of network coding in contemporary communication networks. Joint work with Rui Costa, Luisa Lima, Paulo Oliveira, João Paulo Vilela, and Muriel Médard (MIT).
| What | |
|---|---|
| When |
2008-04-24 14:00
2008-04-24 15:00
2008-04-24 from 14:00 to 15:00 |
| Where | Room 4.26, INESC Porto |
| Contact Name | João Barros |
| Contact Email | barros@dcc.fc.up.pt |
| Contact Phone | +351 220 402 917 |
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João Barros received his undergraduate education in Electrical and Computer Engineering from the Universidade do Porto (UP), Portugal and Universitaet Karlsruhe, Germany, until 1999, and the Ph.D. degree in Electrical Engineering and Information Technology from the Technische Universitaet Muenchen (TUM), Germany, in 2004. After his doctoral research on network information theory and joint source and channel coding, João Barros joined the faculty of the Department of Computer Science at the Universidade do Porto, where he founded the Networking and Information Processing Group at the Instituto de Telecomunicações. The focus of his research lies in the general areas of information theory, communication networks and data security. In 2003, Dr. Barros received a Best Teaching Award from the Bavarian State Ministry of Sciences, Research and the Arts. He received scholarships from several institutions, including the Fulbright Commission and the Luso-American Foundation for Development, and has held a visiting position at Cornell University. He is currently on sabbatical at the Massachusetts Institute of Technology. João Barros has served on several Technical Program Committees, including WiOpt 2008, ISIT 2007, IS 2007, Globecom 2007 and 2008, and SSI 2006. He is also one of the communications panelists evaluating research proposals submitted to the US National Science Foundation. Since July 2006, he serves as Secretary of the Board of Governors of the IEEE Information Theory Society.
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