Antonio Nucci is the Chief Technology Officer at Narus Inc., and gained his Ph.D. in Communication Networks from Politecnico di Torino, Italy in 2003. He was awarded the prestigious Infoworld CTO Top 25 in 2007 for his vision and leadership within Narus and the IT community, and his research interests include network measurement and management, traffic analysis, network security and surveillance, network design, and traffic engineering. Konstantina Papagiannaki is Senior Research Scientist at Intel Research, Pittsburgh, and was awarded her Ph.D. in Computer Science from University College London, UK, in 2003. Her research interests include network design and planning for wired and wireless networks, network measurement, and security.