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Cloud Computing

Setting Up a Fault-Tolerant Site with Amazon's Availability Zones

Amazon's Availability Zones are a fabulous new feature that allows users to assign instances to locations that are fault-tolerant from one another yet that have high bandwidth between each other. I wish I could have done something like that as easily when I was responsible for operations at Citrix Online and we had five datacenters worldwide. As I'll explain in this post, what Amazon actually...Read more

What is Cloud Computing?

There are many definitions for cloud computing around, and depending on the time of day I'd probably recite a different one. But what's really defining to me is the availability of quasi endless computers (instances in EC2 terminology). Pricing model, pay as you go, someone else deals with muck - all great stuff. But endless computers, that changes computing. Why? Because launching a new instance...Read more


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