Assuming the worst is not the best assumption
It was too bad to be true, but I should have known that assuming the worst was not the best assumption. I was driving the “other” car, the Saab, on the way back from the METNAV shop around eight in the morning. Since the shop was located in the middle of the three runways, this…
Rule 11 is your friend
It’s common enough in the networking industry — particularly right now — to bemoan the rate of change. In fact, when I worked in the Cisco Technical Assistance Center (TAC), we had a phrase that described how we felt about the amount of information and the rate of change: sipping through the firehose. This phrase…
Information wants to be protected: Security as a mindset
I was teaching a class last week and mentioned something about privacy to the students. One of them shot back, “you’re paranoid.” And again, at a meeting with some folks about missionaries, and how best to protect them when trouble comes to their door, I was again declared paranoid. In fact, I’ve been told I’m…
Micromanaging networks considered harmful: on (k)nerd knobs
Nerd Knobs (or as we used to call them in TAC, knerd knobs) are the bane of the support engineer’s life. Well, that and crashes. And customer who call in with a decoded stack trace. Or don’t know where to put the floppy disc that came with the router into the router. But, anyway… What…
Engineering Lessons, IPv6 Edition
Yes, we really are going to reach a point where the RIRs will run out of IPv4 addresses. As this chart from Geoff’s blog shows — Why am I thinking about this? Because I ran across a really good article by Geoff Huston over at potaroo about the state of the IPv4 address pool at…
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