Tony McCrory tony.mccrory at
Fri Jan 20 20:01:15 UTC 2012

On 20 January 2012 19:37, Paul Graydon <paul at> 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

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