ISP customer assignments

Brian Johnson bjohnson at drtel.com
Fri Oct 16 20:58:34 UTC 2009


I actually think that CIDR is easier to understand than classful
addressing. Do the subject completely in binary. It makes complete sense
then.

- Brian

BTW: If the grad students don't get it, fail them! I don't want an
engineer who can't grasp basic binary math.


> -----Original Message-----
> From: Daniel Golding [mailto:dgolding at t1r.com]
> Sent: Friday, October 16, 2009 3:51 PM
> To: Joe Abley
> Cc: NANOG
> Subject: Re: ISP customer assignments
> 
> 
> The big problem here is that CIDR is tough to teach, even to
> engineering students. This seems bizarre and counterintuitive, but its
> true. I know this because I've done it. Its really easy to teach
> classful addressing, on the other hand. Other problems include the
> issue that many of the folks teaching have never had to use CIDR in
> real life, textbook age, and, in some cases, lack of mathematical
> preparation and inclination on the part of students.
> 
> Scarier: I was teaching graduate students.
> 
> - Dan
> 




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