Peter Elford is a Consulting Engineer with Cisco Systems based in Canberra, Australia. He is currently focusing on residential broadband technologies and services, having recently been involved with a range of activities related to formal security. Prior to joining Cisco Systems in February 1993 he worked for three years at the Australian Academic and Research Network (AARNet), where he had responsibility for much of the hands on engineering for the embryonic Australian Internet. Peter holds a BSc (Hons) from the Australian National University.