Prior to joining Microsoft in 1998, he was a routing developer at Merit Network. Since then, he has been responsible for multicast, IPv6, network diagnostics, and peer-to-peer efforts within Windows Networking, and also led the TCP/IP team during the design of the new TCP/IP stack in Windows Vista. Dave has been active in the IETF since 1995 and has authored over 20 RFCs, covering IPv6, multicast, MIBs, etc. He is also a member of the MIB Doctors group, and previously served as co-chair of the MALLOC WG. Dave holds a Ph.D in Computer Science from the University of Michigan. Website: http://research.microsoft.com/users/dthaler