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Category Archives for "Russ White"

Information wants to be protected: Security as a mindset

George-Orwell-house-big-brotherI 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 paranoid after presentations by complete strangers who were sitting in the audience.

Okay, so I’m paranoid. I admit it.

But what is there to be paranoid about? We’ve supposedly gotten to the point where no-one cares about privacy, where encryption is pointless because everyone can see everything anyway, and all the rest. Everyone except me, that is—I’ve not “gotten over it,” nor do I think I ever will. In fact, I don’t think any engineer should “get over it,” in terms of privacy and security. Even if you think it’s not a big deal in your own life, engineers should learn to treat other people’s information with the utmost care.

In moving from the person to the digital representation of the person, we often forget it’s someone’s life we’re actually playing with. I think it’s time for engineers to take security—and privacy—personally. It’s time Continue reading

QOTW: Outsourcing Memory

Culture is more than the aggregate of what Google describes as “the world’s information.” It’s more than what can be reduced to binary code and uploaded onto the Net. To remain vital, culture must be renewed in the minds of the members of every generation. Outsource memory, and culture withers.Nicolas Carr, The Shallows

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Evaluating my own books…

This is a bit of a slow week in the US, and I’ve been deeply imbibing philosophy and theology this weekend (getting ready for the first two PhD classes), so I’m going to do something a little different this week. A lot of folks email me asking about which of my books are worth buying, or asking me if they should buy this or that specific book I’ve written across the years. So, herewith, an honest appraisal of my own books.

Advanced IP Network Design

This book is based on single question—what have we learned from working on failed networks from the perspective of TAC and Escalation in terms of good network design? It’s hard to believe, but this was (AFAIK) the second book published by Cisco Press, in 1999 (that’s 16 years, 10 books, and two degrees ago!). While I have a fond place in my heart for this book, all the material here is generally updated and improved in Optimal Routing Design, below.

EIGRP for IP

This started life as the EIGRP white paper, written based on a thorough reading of the EIGRP code base as it existing in 2000, along with many hours spent with GDB, Continue reading

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 is it with nerd knobs? Ivan has a great piece up this week on the topic. I think this is the closest he gets to what I think of as the real root cause for nerd knobs —

Instead of using cookie-cutter designs, we prefer to carefully craft unique snowflakes that magically integrate the legacy stuff that should have been dead years ago with the next-generation technologies… and every unique snowflake needs at least a nerd knob or two to make it work.

Greg has a response to Ivan up; again, I think he gets close to the problem with these thoughts —

Most IT managers have lost the ability to recognise technical debt and its impacts … Nerd Knobs are symptoms of much deeper problems/technical debt in the networking market and treat the cause not the symptom.

A somewhat orthogonal article caught my eye, Continue reading

Worth Reading: Employees are Human Beings

Employees are human beings. They devote their lives to creating value for customers, shareholders, and colleagues. And, in return, at least in theory, they share in the rewards of the value created by their team. via linkedin


This is one of those places where I agree with the point the author is making, but I don’t really agree with the path they chose to get there… The bottom line problem is this—government, companies, and even individuals (yes, that means you and I) tend to slip into a mode of treating people as objects which either cost something, or produce something. From many perspectives, it’s easy to treat people as units of information, work, cost, etc.—but when you cross the line from using this as a useful abstraction to actually seeing people as an abstraction, then you’ve cross a line you shouldn’t be crossing.

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