http://research.microsoft.com/en-us/um/people/gurevich/Opera/183.pdf

here is a bit of info!the short version is:

Our work significantly

improves upon previous protocols such as LBFS and

RSYNC in three ways

ya most think remote differential compression isnt powerfull?they re wrong!how to implement it?might need to check on ms website

http://msdn.microsoft.com/en-us/library/windows/desktop/aa372948(v=vs.85).aspx">http://msdn.microsoft.com/en-us/library/windows/desktop/aa372948(v=vs.85).aspx

but op you are right it would be nice if ms made a video about how to enable this cause with the web transfering terabyte of data only because i need a signature etc is kind of bad!