On 20 January 2012 19:37, Paul Graydon <p...@paulgraydon.co.uk> wrote:
> From what I understand about MegaUpload's approach, they created a hash of > every file that they stored. If they'd already got a copy of the file that > was to be uploaded they'd just put an appropriate link in a users space, > saving them storage space, and bandwidth for both parties. > This sounds very similar to data deduplication eg http://www.netapp.com/uk/products/platform-os/dedupe.html