Date: Thu, 18 Oct 2007 06:07:44 +0400 From: Andrey Chernov <ache@nagual.pp.ru> To: Julian Elischer <julian@elischer.org> Cc: arch@FreeBSD.ORG, Poul-Henning Kamp <phk@phk.freebsd.dk>, "Constantine A. Murenin" <cnst@FreeBSD.ORG> Subject: Re: sensors fun.. Message-ID: <20071018020744.GA83148@nagual.pp.ru> In-Reply-To: <4716BE63.4000608@elischer.org> References: <52434.1192654769@critter.freebsd.dk> <4716B4DA.9090603@elischer.org> <20071018013802.GC82493@nagual.pp.ru> <4716BE63.4000608@elischer.org>
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On Wed, Oct 17, 2007 at 07:01:07PM -0700, Julian Elischer wrote: >> The same can be achieved in more simpler way by just reading/writing DEVFS >> devices and not involves slow TCP/HTTP/tcl/etc path (some sensors may >> needs very fast reaction, perhaps realtime). > > hard to read /dev/xxx on another machine. > Multimachine monitoring expected to be slow, so some HTTP-like or (better) socket daemons can be run on each local machine. But DEVFS way not restrict us of handling very fast sensor devices while userland TCP/HTTP/tcl drivers restricts. -- http://ache.pp.ru/
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