Re: [Duplicity-talk] Amazon S3

[Peter Schuller]

> Duplicity uses Boto http://code.google.com/p/boto/ to talk to S3.  Boto
> works with the S3 protocol directly, not through a shared drive.

And more specifically regarding the rsync concern, duplicity does not
need access to the full file that is being incrementally diffed,
because the algorithm is using the file signatures rather than the
files itself. So the only "overhead" is the downloading of signature
files prior to backup (assuming no use of --archive-dir); only the
actual changes are ever transfered to the backend, and no full files
transfered from the backend, regardless of whether the backend is S3
or something else.

-- 
/ Peter Schuller

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