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Amazon Outage Casts a Shadow on SDN

#SDN #AWS #Cloud Amazon’s latest outage casts a shadow on the ability of software-defined networking to respond to catastrophic failure Much of the chatter regarding the Amazon outage has been focused on issues related to global reliability and... Read more
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Applying ‘Centralized Control, Decentralized Execution’ to Network Architecture

#SDN brings to the fore some critical differences between concepts of control and execution While most discussions with respect to SDN are focused on a variety of architectural questions (me included) and technical capabilities, there’s another... Read more
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The Mobile Chimera

#mobile #vdi #IPv6 In the case of technology – as with mythology - the whole is often greater (and more challenging) than the sum of its parts. The chimera is a mythological beast of scary proportions. Not only is it fairly large, but it’s... Read more
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1024 Words: If Neo Were Your CSO …

When nearly half of folks experienced a stateful firewall failure under attack last year[1], maybe more of the same isn’t the right strategy. [1] Arbor Networks, Network Infrastructure Security Report Read more
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About that ‘Unassailable Economic Argument’ for Public Cloud Computing

Turns out that ‘unassailable’ economic argument for public cloud computing is very assailable The economic arguments are unassailable. Economies of scale make cloud computing more cost effective than running their own servers for all but the... Read more
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How to Earn Your Data Center Merit Badge

Two words: be prepared. Way back when,Don was the Scoutmaster for our local Boy Scout Troop. He’d been a Scout and earned his Eagle and, as we had a son entering scouting age, it was a great opportunity for Don to give back and for me to get... Read more
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Solutions are Strategic. Technology is Tactical.

And it all begins with the business. Last week was one of those weeks where my to-do list was growing twice as fast as I was checking things off. And when that happens you know some things end up deprioritized and just don’t get the attention... Read more
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What CIOs Can Learn from the Spartans

When your data center is constantly under pressure to address operational risks, try leveraging some ancient wisdom from King Leonidas and William Wallace The Battle of Thermopylae is most often remembered for the valiant stand of the... Read more
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Cloud Control Does Not Always Mean ‘Do it yourself’

You’re still asking the wrong questions about cloud computing .  The city of Santa Clara is covered by a cloud this week, but not the kind of clouds most folks associate with California. CloudConnect 2011 is gearing up for a week of sessions... Read more
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Operational Risk Comprises More Than Just Security

Recognizing the relationship between and subsequently addressing the three core operational risks in the data center will result in a stronger operational posture. Risk is not a synonym for lack of security. Neither is managing risk a... Read more
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The Strategy Not Taken: Broken Doesn’t Mean What You Think It Means

The definition of “broken” in IT is a lot more variable than in the real world. Sometimes you should follow the strategy not taken.  Don and I maintain a number of servers on which we run various web sites for fun.Early on we determined we... Read more
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So You Put an Application in the Cloud. Now what?

We need to stop thinking of cloud as an autonomous system and start treating it as part of a global application delivery architecture. When you decided you needed another garage to house that third car (the one your teenager is so proud of)... Read more
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The Domino Effect

Discussions on scaling are focused on the application, but don’t forget everything else. And I do mean everything. You played with dominos as a... Read more
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Data Center Feng Shui

The right form-factor in the right location at the right-time will maximize the benefits associated with cloud computing and virtualization. Feng Shui, simply defined, is the art of knowing where to place things to maximize benefits. There are... Read more
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Do you have the right aaS?

This isn’t all or nothing – focus on the right cloud model for each application and not the entire data center There’s a lot of discussion about why you should choose one cloud computing model over another and all of them miss the point entirely.... Read more
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You are the new number 3ffe:1900:4545:3:200:f8ff:fe21:67cf

I am not a number, I am a free man! – "The Prisoner", sampled by Iron Maiden (edited because geeks are picky and well, they're right even though I always think of Maiden and Eddie first before getting to the actual origins) We,... Read more
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Greedy (IT) Algorithms

Greedy algorithms can result in the right solution in the end, but rarely do Don and I were having a discussion with our oldest son the other night about writing a chess program. There are myriad options for implementing the learning aspects of a... Read more
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It’s like load balancing. On steroids.

What is this application delivery thing that everyone keeps telling me I need? Isn’t that just the latest marketing term for load balancing? A recently released Forrester report concludes that “firms must develop and integrated strategy f... Read more
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Why you must dive Into the Breach

If you do, you may find you’ll come out with a more effective security strategy Michael Santarcangelo shows why he’s known as a “human catalyst” with his strategy-focused effort to change the way we deal with security, Into the Breach. ... Read more
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If you aren’t asking “what if” now you’ll be asking “why me” later

One of the negatives of providing a solution is that it necessarily assumes there is a problem. That’s actually a fair assumption in the technology world, as problems seem to abound with no end in sight. What it also does, unfortunately, is lead... Read more
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Does your virtualization strategy create an SEP field?

There is a lot of hype around all types of virtualization today, with one of the primary drivers often cited being a reduction in management costs. I was pondering whether or not that hype was true, given the amount of work that goes in... Read more
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