[tahoe-dev] Node correlations - [Was] best practice for wanting to setup multiple tahoe instances on a single node

[Josh Wilcox]

On Mon, Jan 16, 2012 at 12:53 PM, Zooko Wilcox-O'Hearn <zooko at zooko.com>wrote:

> On Mon, Jan 16, 2012 at 12:47 PM, Greg Troxel <gdt at ir.bbn.com> wrote:
> >
> > I'd say write up a plan and send it to the list.
>
> Yay!
>
> > 1) Decide if we are going to trust storage nodes to express the
> variables that are correlated honestly.  I think it's at least near
> impossible not to trust them and make progress.
>
> You could have a text file containing each storage server's furl and
> its properties in some flat textual format, and put that into your
> gateway's node directory (~/.tahoe). Then that gateway would believe
> the contents of that file when choosing which shares to upload to
> which servers.
>
> As a bonus, this automatically solves the Sybil Attack, in which
> someone sets up a large number of storage servers so that by chance
> your gateway uses only all or mostly storage servers controlled by
> them. Having a locally-controlled file describing storage servers
> means that the gateway could have a requirement like "make sure at
> least K servers that I upload to appear on this list".
>
> Therefore, I don't think there is any need for the gateway to receive
> a description about a storage server directly from that storage server
> and then rely on that description. At least as a first cut, it would
> seem better to rely on the gateway's system administrator for that.
>
> (I'm sure this will turn out to be inadequate for some uses, but it
> seems like a good starting point.)
>
> Regards,
>
> Zooko
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>


  I believe wiretapped has implemented this.

Cheers,
Zancas
-- ظ
"Who ordered it?  Who ordered the saxogram?"
https://www.youtube.com/watch?v=GaoLU6zKaws

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