Everyone doing networking these days knows about the ping program. What is often not known is how it originated. I happened to be a by-stander and was able to see it being created. The real story about ping is found on a web page written by Mike Muuss, the author of the original version of ping: The...

I am regularly surprised by network redundancy designs that are either overbuilt or underbuilt. There seem to be two major themes that drive these designs. I'll address the first theme in this blog entry and the second theme in a successive blog entry. The first theme results in a network with excessive...