If there is a single question that keeps coming up in my travels and meetings it is this one! I would add here that we in the industry are not helping the situation by taking our usual course of focusing on whatever the current hot topic is, and making out that whatever we are selling is connected to it. I have spent a lot of time trying to address this topic in the context of what we can use web and cloud technology for, but very little on what it actually is! The next two posts deal with this question. It would have been fair question to ask why client-server based IT was so hard to understand back around 1990. Indeed for those of you who remember this time, there was a similar kind of confusion. The benefit of hindsight shows that because client-server covers the entire breadth of business requirements from ERP on one side, through to various ways it can be implemented (thin or thick client, single, or n tier) on the other side.
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Why are clouds so hard to understand?