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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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