[tahoe-dev] Fwd: LAFS performance

Zooko O'Whielacronx zooko at zooko.com
Fri Jul 16 18:30:38 UTC 2010


---------- Forwarded message ----------
From: Nikita Borisov <nikita at illinois.edu>
Date: Mon, Jul 12, 2010 at 10:51 AM
Subject: Re: LAFS performance
To: Zooko O'Whielacronx <zooko at zooko.com>


Yes, that's actually what I was looking for.  BTW, is there any way in
Tahoe to support append capabilities?  For our application, it would
be useful to have people be able to add comments, but not erase ones
posted by others.
- Nikita

On Tue, Jul 6, 2010 at 4:17 PM, Zooko O'Whielacronx <zooko at zooko.com> wrote:
>
> P.P.S. Oh I think I misunderstood your question. I was telling you
> about our attempts to defend against a harder problem: a conspiracy of
> servers which collude to delete your data. Preventing unauthorized
> *other clients* from deleting your data is solved with cryptography:
> the key in the key-value store is not free but is instead constrained
> to be either the secure hash of the value (for immutable data) or the
> public key used to sign the data (for mutable data).



--
Nikita Borisov - http://hatswitch.org/~nikita/
Assistant Professor, Electrical and Computer Engineering
Tel: (217) 903-4401, Office: 460 CSL


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