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Forecast  I am a Principal Research Scientist in the Department
of Computer Science at Cornell University in Ithaca, NY. I'm a
member of the Systems and Networking group. I'm interested in
distributed systems, particularly in their fault tolerance and
scalability aspects. I'm associate editor for ACM Computing
Surveys. I'm an elected member on the Steering Committee of NSF
PRObE (Parallel Reconfigurable Observational Environment). I
also play guitar and do sound for the Ageless Jazz Band, play
traditional jazz banjo in The JazzHappensBand, am co-founder of
and advisor to The Cornell Dutch Club, The Cornell Ukulele Club,
and co-founder of The Finger Lakes One Wheelers, a unicycling
club. I'm the webmaster of The Ithaca High School PSTA web site.
I'm also the designer and webmaster of, a site that helps with
the management side of playing in bands.  My Current Research
Elastic Replication