Re: Re: Displays round the house - architecture...

["Frank Mc Alinden" <armagh@xxxxxxx>]

Hi Ian
            Please
excuse my ignorance but what is a DAF??????

Frank Mc
----- Original Message -----
From: "Ian Lowe" <ian@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Tuesday, August 13, 2002 6:19 PM
Subject: RE: [ukha_d] Re: Displays round the house - architecture...


> I can see what you are saying, but we have been through *exactly the
same*
> series of developments before.
>
> The concept last time started as a serial display, wound up into
rabbits,
> PICs, TCP-IP, protocols, and promptly fell flat. This sounds very
familiar.
>
> It's a simple set of problems:
>
> Distributed == Intelligent Nodes == Expensive Nodes == High Entry
Barrier
>
> Centralised == D.A.F. Nodes == CHEAP Nodes == More Participation
>
> Personally, being a network bod by trade, I find TCP/IP very
appealing. My
> "ultimate end goal" would use simple Ethernet, with off the
shelf hubs,
> possibly running across a 10Mb network with a bridge out onto the
"real"
> network of the house etc etc.
>
> But realistically, as soon as I see the passion for IP, I think
it's
> basically doomed. Using TCP-IP seems to wipe out all of the low-end
(ie
> cheap) PICs, and takes you into ?50 module country, plus anoher
healthy
> chunk for the display..
>
> Get some display systems working over D.A.F. Serial, you can add a
> siteplayer interface on the front as a stepping stone...
>
> PLEASE PLEASE PLEASE prove me wrong if you think I am, but *think*
about
it
> first guys, this has happened before.
>
> Ian.
>
>
>
>
>
>
> For more information: http://www.automatedhome.co.uk
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