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Clustering has been an important tool in the IT architect’s tool belt for many years now. Put a group of servers or storage together on a LAN, add some well-planned

Organizations worldwide are eyeing their existing data centers and wondering what it would take to turn them (or some part of them) into Private Clouds. Install virtualization? Check. Are we

OpenStack is an open source Cloud platform effort that brings together hundreds of contributors, primarily from large and small software vendors. Founded by Rackspace and NASA, OpenStack is now starting

In part one of this article, I discussed how REST separates two different kinds of state information: resource state and application state. Resource state is stored in the persistence layer,

ZapThink has long bemoaned the fact that the big middleware vendors co-opted the SOA story, turning it into an excuse to sell middleware. Even though there’s a better understanding of

Call me a cynic. After working as an industry analyst, first for IDC covering online retail, and then for ZapThink covering the Web Services and SOA markets, it’s easy to

You want to integrate two disparate pieces of software, so you set up message interactions between them. You hammer out a common data format for the messages. You poke and

You know you’re a hardcore techie if going to work would be perfect if it weren’t for all the damn users. If the business wasn’t bothering you with requirements then

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