My main focus is on the redesign of routers in the context of network virtualization. An informal thesis proposal I wrote in the fall of 2008 summarizes the main ideas (keller_proposal_fall08.pdf). For this I am focusing on four key areas:
I am also interested in various other topics, though not the central focus, such as networking on FPGAs (e.g., redesigning BGP to make it more amenable to implementation on hardware) and new network architectures (e.g., SCAFFOLD).