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:dgold...@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 >