[178188] in North American Network Operators' Group
Re: OT - Small DNS "appliances" for remote offices.
daemon@ATHENA.MIT.EDU (Eduardo Schoedler)
Thu Feb 19 09:57:11 2015
X-Original-To: nanog@nanog.org
In-Reply-To: <20150219145242.ad8145e6.david.reader@zeninternet.co.uk>
Date: Thu, 19 Feb 2015 12:57:08 -0200
From: Eduardo Schoedler <listas@esds.com.br>
To: David Reader <david.reader@zeninternet.co.uk>
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
People, processor of this hardware will be killed before the 100M ethernet
be the problem.
--
Eduardo Schoedler
2015-02-19 12:52 GMT-02:00 David Reader <david.reader@zeninternet.co.uk>:
> On Thu, 19 Feb 2015 15:26:36 +0200
> Denys Fedoryshchenko <denys@visp.net.lb> wrote:
>
> > As far as i know, Raspberry PI ethernet over USB might be fine for DNS
> > too, but before it had issues with
> > large data transfers (ethernet driver hangs). No idea about now.
>
> On Thu, 19 Feb 2015 15:26:36 +0200
> Denys Fedoryshchenko <denys@visp.net.lb> wrote:
>
> > As far as i know, Raspberry PI ethernet over USB might be fine for DNS
> > too, but before it had issues with
> > large data transfers (ethernet driver hangs). No idea about now.
>
> AIUI the problem with the RPi isn't so much that the Ethernet NIC sits on
> a USB interface, it's that the RPi USB interface is very basic and requires
> a great deal of host interaction to work. It presents a very high interrupt
> load, and that can lead to problems.
>
> Remember that the RPi, fantastic as it is, was developed as a low cost
> educational aid. It can be used with great success in other fields, but you
> should consider its limitations.
>
> I'm using several to connect sensors, actuators, and such to a private
> network, which it's great for - but I'd think at least twice before
> deploying one as a public-serving host in user-experience-critical role in
> a remote location.
>
> d.
>
--
Eduardo Schoedler
