http://www.stanford.edu/class/ee380/winter-schedule-20112012.html http://www.stanford.edu/class/ee380/winter-schedule-20112012... has a talk about the different

http://www.stanford.edu/class/ee380/winter-schedule-20112012.html http://www.stanford.edu/class/ee380/winter-schedule-20112012... has a talk about the different dropbox architectures as they scaled.