Without getting into the relative merits of router running open versus
closed code, or the obvious cost issue, what would be the advantage of a
Linux OS versus IOS? Doesn't the "OS" have to be an inherent part of the
"IOS" in any case? I presume that Cisco boxes operate as do any Von Neuman
based architectures, and that the IOS is really more an application that is
loaded via the boot proms, where the "operating system" resides? Am I
completely out of the water here?
In raw terms of what is happening on a router, does a Linux based OS versus
whatever the Cisco IOS is really matter? in terms of code size? In terms of
router speed?
The IOS, as best I can guess, has it's roots in C. I say this based on
things like variable names, and related behaviours. Obviously, the source
code is compiled, and probably optimized for speed rather than size, if IOS
bloat is any indication. On the other hand, judging from what I see on the
web link below, there aren't a lot of features in these Linux OS's either.
I suppose over time that will be resolved, but at what cost in terms of OS
image size?
Well, I suppose for one thing the Linux crowd doesn't have to concern itself
with backwards compatibility. That can be a distinct advantage. On the other
hand, writing for a Cisco box, they have to ensure compatibility in every
way shape and form with other Cisco boxes, not to mention interoperability
with other vendor stuff and compatibility with the RFC's
Being one of those types who is curious about a lot of things, especially
about the way things work, I would certainly enjoy reading the com those who
know more than I.
I continue to be impressed with the passion, ingenuity, and sheer
determination of the Linux crowd. Who else would actually create an RFC1149
compliant system? ;->
Chuck
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
Jacques Atlas
Sent: Sunday, May 06, 2001 7:00 AM
To: [EMAIL PROTECTED]
Subject: Re: linux on a 2500 ? Was: Programming under IOS [7:3362]
On Sun, 6 May 2001, Jacques Atlas wrote:
||It has already BEEN done !! :-)
|
|got a url for us ?
http://www.mcvax.org/~koen/uClinux-cisco2500/
--
jacques
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