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Date:      Wed, 6 Aug 1997 17:23:17 +0200 (MET DST)
From:      hans@brandinnovators.com (Hans Zuidam)
To:        msmith@atrad.adelaide.edu.au (Michael Smith)
Cc:        hackers@FreeBSD.ORG
Subject:   Re: Registry reviewers?
Message-ID:  <199708061523.RAA17772@truk.brandinnovators.com>
In-Reply-To: <199708060314.MAA02934@genesis.atrad.adelaide.edu.au> from Michael Smith at "Aug 6, 97 12:44:52 pm"

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> Michael Smith wrote:
> Hans Zuidam stands accused of saying:
> > > Michael Smith wrote:
> > > If I were to just slip it in parallel with the sysctl code, would anyone
> > > notice?  8)
> > Forgive my ignorance, but what does the registery code actually do that
> > cannot be done with sysctl?
> Is this "in general" or "specifically"?
Both probably ;-)

> The most significant differences are that it uses method-based access
> to data, ie. the node supplies methods rather than a data pointer, and
> it tries harder to hide the innards of the data storage from the
> consumer.

The main problem I have with this registry idea is that there is
already a facility in the kernel for this type of work.  It may
not be perfect, but it works and may be considered ``standard'' in
the BSD world.

Another problem is that of robustness: if the registry get corrupt
your whole system is compromised, see your average Windows 95/NT
system.  It's something like putting all your eggs in one basket
and then sitting on it...

				Hans

BTW.
I do like the ppbus driver, it solves quite a few problems, thanks.

-- 
H. Zuidam                        E-Mail: hans@brandinnovators.com
Brand Innovators B.V.            P-Mail: P.O. Box 1377
de Pinckart 54                   5602 BJ Eindhoven, The Netherlands
5674 CC Nuenen                   Tel. +31 40 2631134, Fax. +31 40 2831138



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