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Category Archives for "Russ White"

Worth Reading: The ‘net is the real world

How much time have I wasted decrying the many hours a day a billion people waste on Facebook? How could I have been so wrong? How could I have not seen it? Facebook (FB) is the real world now. Our wives are all beautiful, our husbands brilliant, our children talented, our pets hilarious, and our home lives one impeccably framed picture after another. via fox business

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Reaction: Thoughts on Certifications

Should you stack up certifications, or should you learn something new? To put the question a different way: should Ethan get his CCDE? This week a couple of posts filtered through to my RSS feed that seem worth responding to on the certification front. Let’s begin with the second question first. This week, Ethan posted:

I’ve already achieved what I personally wanted to with the CCIE program. There is no doubt the certification changed my life, but I’m heading places now that the CCIE can’t take me. The CCDE program is still interesting to me, but I find the focus on service provider and very large enterprise technologies a disadvantage for me. Lots of work to get through the study, and I lack sufficient motivation to make a go of it right now. I still believe it’s a great program. Maybe I’ll get back to it someday.

I think the first part of Ethan’s argument is valid and correct: there comes a point you’ve wrung the value out of a certification (or certification path), and it’s time to move on. But how can you judge when that time has come? My thinking is based around this chart, taken from one Continue reading

Worth Reading: Better than Reno

Critically, today’s Internet assumes that most of the network’s resources are devoted to passing TCP traffic, and it also assumes that the flow control algorithms used by these TCP sessions all behave in approximately similar ways. If the switching and transmission resources of the network are seen as a common resource, then the assumption about the uniform behaviour of TCP sessions implies that these end-to-end transport sessions will behave similarly under contention. via circle id

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Worth Reading: Alphabet and Anti-trust

What we have learned in the last two months is that Google is much more worried than it says about the risks it faces from a variety of real structural changes it may have to make in its core business overseas in the months and years ahead — where the vast majority of Google’s users are, and from where over 50% of its revenues come. Google apparently foresees a coming brand winter of antitrust/privacy structural enforcement actions hanging over Google around the world. via somewhat reasonable

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Reaction: DNS versus anycast

This post raises an obvious question: are techniques using DNS to “steer” traffic (such as IP geolocation) sufficient, or do you need to consider using anycast as LinkedIn did? The short answer is that DNS steering works well and is only getting better. via circleid

Matt’s article is well worth reading, but once you’re finished reading it —

It’s well worth remembering when dealing with different load balancing solutions (like most other things in life) that the right answer is, “it depends.” In this case, do you need TCP anycast, or can you use DNS based load sharing? It depends not only on how effective each one is, but also what sort of application you’re working with. Many apps designed for smart phones don’t use DNS at all, so some form of anycast or appliance based solution are all you have. Between these two, anycast is often just as viable a solution if your network is designed to handle it correctly.

In the end, all three solutions — anycast, DNS, and appliance based — are viable options. Which one you should choose just all depends.

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Worth Reading: Avago buys Broadcom

If the modern datacenter has taught us anything, it is that scale matters and as it turns out it matters for the manufacturers of the devices that go into various systems in the datacenter as much as it does for those who deploy and use those systems. It is with this in mind that we ponder the implications of the $37 billion acquisition of networking and wannabe server processor maker Broadcom by the recently very acquisitive Avago Technology, a maker of chips for optical networking, server networking, and storage controllers, among other things. via the platform

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Review: The Art of the Humble Inquiry

humble-inquiryHumble Inquiry: The Gentle Art of Asking Instead of Telling
Edgar H Schein

Edgar Schein says we have a cultural issue. We like to tell people what we think, rather than asking them what they’re trying to tell us. Overall, especially in the world of information technology, I tend to agree. To counter this problem, he suggests that we perfect the art of the humble inquiry — redirecting our thinking from the immediate solution that comes to mind, or even from the question that was asked, and trying to get to the what the person we’re talking to is actually asking.

He gives numerous examples throughout the book; perhaps my favorite is of the person who asked stopped their car while he was doing yard work to ask directions to a particular street. Rather than answering, he asked where they were trying to get to. They were, in fact, off course for their original plan, but he directed them down a different path that got them there faster than if they’d turned around and found their way back to that original path. This is a perfect example of asking returning a specific question with a larger question — an authentic Continue reading

QOTW: The Occupation of the Wise

Thus the wise man, at all times and on every road, carries a mind ripe for acquisitions that ordinary folk neglect. The humblest occupation is for him a continuation of the loftiest; his formal calls are fortunate chances of investigation; his walks are voyages of discovery, what he hears and his silent answers are a dialogue that truth carries on with herself within him.
Sertillanges, The Intellectual Life

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Worth Reading: Cloud Access Security Brokers

Widespread enterprise adoption of public cloud applications like Office 365 has not come without security and compliance concerns. Most cloud apps function like a black box, providing little visibility or control over the handling of sensitive data. … a cloud access security broker (CASB) provides a way to encrypt the data using keys that you control. A CASB also provides a central point for monitoring and managing access to those resources. via the csa

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