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David Linthicum

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Top Stories by David Linthicum

You've heard of downsizing and rightsizing, so how about Cloudsizing? As properly defined, Cloudsizing is: The improvement of efficiency and effectiveness of an organization through the selective use of computing resources that are delivered over the Internet Simple but powerful, and fairly obvious, considering all that's been written about Cloud Computing recently. However, what is not obvious is how you approach Cloudsizing, or how you get started. Thus, the purpose of this column/article, and the next three, is to introduce you to both the notion of Cloud Computing and how to drive your enterprises in that direction, and to do so through understanding and not just following the hype. How the heck do you figure out what needs to be in the Cloud and what needs to be local to the enterprise? As with all things related to enterprise computing, it depends on your ente... (more)

Make the Most of Cloud Computing with SOA

SOA in the Cloud on Ulitzer While there are many attempts to fix the badly broken IT architectures within our enterprises, most ‘solutions' just put another technology layer on top of the existing technologies in hopes that the technology will somehow fix the issues. As you may have guessed, it just makes things more complex. Few enterprises were willing to take the risk and address the core issues. Service-oriented architecture, or SOA, is really about fixing existing architectures by addressing most of the major systems as services, and abstracting those services into a single ... (more)

SOA Vendors Focus Too Much on Integration . . .

We've all experienced the hype: "We're a SOA tool, and we're here to help!" However, most SOA vendors out there don't understand the value of SOA, or even how to approach SOA. They focus on the tactical and not the strategic. Why? A tactical approach is easier for them to sell, and easier for them to understand. However, this approach means they are selling their customers short. Take integration, for example. We've understood how to do integration since the early days of EAI, and, indeed, it's clearly a component of SOA. However, integration, on its own, is not architecture. Thu... (more)

SOA World Expo: Virtualization-in-a-Box?

Earlier this month I attended the IBM Impact conference in Las Vegas.  The core theme of Impact was "Smart SOA" and how cloud computing comes together in the enterprise, with the emphasis on private clouds.  The core notion of private clouds for IBM is really about extending their experience in virtualization, which is vast, into the more modern world of cloud computing.  They hope to sell some hardware and software in the process.  IBM considers private clouds strategic to its platforms.  The movement to private clouds plays right into its hands.  Recently they are announced a ... (more)

Web Services and Federated Identity

Since the advent of Web services, and other distributed computing standards for that matter, we've been wrestling with the notion of identity and how to manage it. Truth-be-told identity management has been put on the back burner as organizations attempt to get their first Web services projects up and running. However, as Web services become more pervasive, this is an issue that is getting more attention. With the increased interest in identity management so too has risen the need for standards to better define this space. These standards all aim to bind identity management sys... (more)