ORG Microsoft Research Title BIO I am currently working as "architect" at Microsoft, in the "Windows Networking & Devices" group. We are in charge of all the networking and device support for Windows, including the evolution of TCP/IP support, IPv6, IPSEC, Wireless, Network Access Protection, Peer-to-Peer and home networking. Until January 2000, I was chief scientist, and Telcordia Fellow, in the Internet Architecture Research laboratory of Telcordia, working on Internet Quality of Service and Internet Telephony. Prior to that, I was a researcher at CNET and then at INRIA in France, where I worked on innovative communication protocols, software and compilers, including an IP based H.261 videoconferencing system, IVS, doing video over the Internet in 1994. I have written several books and publications. I was a member of the Internet Architecture Board (IAB) from 1991 to 1996, its chair between April 1993 and July 1995. I was a trustee of the Internet Society from 1995 to 2001. I am a member of the board of the SIP Forum, since October 2001.