[ale] Linux vs XP Embedded
bob at verysecurelinux.com
Tue Feb 24 20:03:06 EST 2004
It depends on your Real-Time requirements. Unless you have very short
latency requirements, either a 2.4 or 2.6 kernel will be fine. XP
will crash far too many times for serious consideration.
bob at verysecurelinux.com [Please use for email to me]
http://www.verysecurelinux.com [Network&Linux/Unix security consulting]
http://www.realworldlinuxsecurity.com [My book:"Real World Linux Security 2/e"]
Quality Linux & UNIX security and SysAdmin & software consulting since 1990.
"Microsoft: Unsafe at any clock speed!"
-- Bob Toxen 10/03/2002
On Tue, Feb 24, 2004 at 02:03:05AM -0500, Joe Knapka wrote:
> Hi folks,
> I've been given an interesting realtime control system to build, and
> my employer wants to evaluate both Linux (woohoo!) and Windows XP
> Embedded (bummer). I know some of you have some embedded/realtime
> experience with Linux, so I'd like your opinions on this subject. I
> can't say much about the application itself, except that it will be
> handling something in the neighborhood of 50Gbytes per day (that's a
> G) of IP and serial traffic, and must meet hard deadlines on the order
> of once per second (but a missed deadline won't kill anyone - this is
> not a medical or aviation application. We can probably even recover
> from a missed deadline, but that sort of thing should be kept to an
> absolute minimum).
> I'm thinking that a 2.6-series kernel would be the way to go with
> this. I understand 2.6 integrates the preemptive and low-latency
> patches, and that 2.6 can be built in a VM-less configuration so as to
> remove latency associated with demand paging.
> Does anyone have any further suggestions or alternatives? Also, is
> anyone here in a position to evaluate the relative strengths of Linux
> vs XP Embedded? Personally I feel that the "Embedded" part of that
> name is probably pure marketing hype, but I could be wrong. It is hard
> to see how Linux could possibly be a *worse* choice then XP in this
> domain, though.
> -- Joe Knapka
> Ale mailing list
> Ale at ale.org
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