The Feynman Principle

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Richard Feynman

Interviews often start with softball questions like…

So why are you interested in working for our company?

This question gives the candidate an easy way to warm-up and could give the interviewer some insights into the candidate. I’ve asked this question many time and sometimes heard a reply like..

I really want to learn about large scale networks. My current network is too small and is limiting my progress.

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Strain relief

I’ve got a problem with sagging cables, and I’ve got a simple solution. Examine the side-by-side images below which show the same fiber connection between a switch and a firewall. The image on the left shows a sagging cable which crosses in front of the switch in the rack unit just below it.

As you may know, this cabling install is a violation of the 167th rule of networking:

Thou shalt contain your cables to your own rack unit and shalt not, under any circumstances, impede access to other rack units or blades.

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Effectiveness – Network Truths, Principles and Fallacies

I gave a 13-minute talk to the Irish Network Operators Group (INOG) recently. In this 13-minute video I argue that you can become more effective, and happier, by standing back and reflecting on how you work, leveraging existing truths, fallacies and principles.

I introduce The twelve networking truths and the 8 Fallacies of Distributed Computing. I then describe a handful of my own learnings and fancy terms like Chestertons Fence and the Gordian Knot.

Check out the video folks, I’d love your feedback.

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Clear Pricing for Network Services

I had to buy some switches recently and needed to gather a second quote from another vendor. I went to the Dell website and was pleasantly surprised to quickly find a clear price and a buy-now button for each device on their website.

Normally you’d need an account of the vendors portal to get this information, so it is refreshing to have straightforward access to clear hardware pricing. However it was the list of professional services options shown in the attached image that caught my eye. Continue reading

Writing elsewhere on the net

Hi Folks,

I write for a few other publications, so I’ve made this handy page to link to external articles. I’ll update this page as new articles are released.

Human Infrastructure Magazine

Issue 23 – How To Unblock Your Project

Issue 27 – Email Stinks For Process Documentation

Network Computing

Demystifying The 10x Network Engineer

The Broken Window Theory of Network Configuration

Packet Pushers

All my posts on the PacketPushers Blog

Enjoy.