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Re: [Vrs-development] Encrypted NFS with OpenSSH and Linux
From: |
Bill Lance |
Subject: |
Re: [Vrs-development] Encrypted NFS with OpenSSH and Linux |
Date: |
Thu, 14 Feb 2002 07:27:17 -0800 (PST) |
--- Chris Smith <address@hidden> wrote:
> We need to start thinking seriously how LDS's are
> going to communicate.
Indeed we do.
>
> Clients talk to LDS's via SOAP over a suitable
> transport protocol.
> LDS's talk to LDS's via what?
> If we close it up and use our own protocol, then we
> can make it nice and fast.
> However, using an open protocol may allow other
> applications to look like an
> LDS and join the fun (at the expense of processing
> overhead).
>
I would think that this is something we should be
trying to avoid, not encourage.
>
> Hmm. I'm leaning towards a closed protocol (can
> still be XML over this
> protocol).
I'm leaning to a tight binary protocal, myself. We
are going to need all the speed and effeciency we can
get. There is also another reason, a theoretical one.
It's a matter of boundries.
We are dealing with the problem of 'emergent
behavior'. This is where behaviors at one level of
organization create and sustain behaviors at a higher
level of organization. There are two areas of human
study where we deal with such emergent behaviors,
biology and sociology. In both, the idea of a boundry
around a functional emergent system is fundamental.
Further more, the one area of abstract philosophy that
spans both these 'ologies, 'systems theory', also
fundamentally depends on the 'boundry' idea.
I am relying heavily on biology for guidance in this
thing , btw.
On a more practical level, if I started and organized
a running VRS Cluster, I would not want any unknown
element mukking with it's interiors. That would be a
major breach in security protocols. And that's what a
non LDS participant would be. We have even added the
aspect of the 'Untrusted LDS' to contend with a
potentially hostile root host somewhere. Allowing
access by outside programs other than an LDS's
compounds the problem many fold, I think.
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