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David Linthicum

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Top Stories by David Linthicum

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 new software appliance called IBM WebSphere CloudBurst Appliance which is "A secure appliance that provides speed and repeatability for deploying WebSphere environments into a private cloud."   Or, we can call it virtualization-in-a-box, to be more accurate. IBM and many others define private... (more)

The Five Basic Characteristics of SOA

The Gartner Group just listed "9 ways to measure SOA success.” Not to take anything away from Gartner, but theirs is a pretty basic list, if you ask me.  Indeed, these nine measurements are really about any successful architecture, using SOA approaches or not, which is fine. However, I have a few of my own that are more specific to SOA. Here are Gartner's nine: 1. Improved efficiency, particularly with respect to business processes execution. 2. Lower process administrative costs. 3. Higher visibility on existing/running business processes. 4. Reduced number of manual, paper-base... (more)

Why SOA Needs Cloud Computing - Part 1

SOA in the Cloud It's Thursday morning, you're the CEO of a large, publicly traded company, and you just called your executives into the conference room for the exciting news. The board of directors has approved the acquisition of a key competitor, and you're looking for a call-to-action to get everyone planning for the next steps. You talk to the sales executives about the integration of both sales forces in three months time, and they are excited about the new prospects. You talk to the HR director who is ready to address the change they need to make in two months. You speak ... (more)

AJAX, RIA, SOA & Web 2.0 Mashups - Mash What?

It’s what you don’t see about the emerging Web that has everyone excited these days. Namely, it’s the powerful application programming interfaces, or APIs. APIs are nothing new and have been traditionally cryptic and difficult to use. However, the advent of Web services along with the notion of mashups has changed the way we consider and leverage APIs going forward. What changed? In short, the emergence of API consumers, including service-oriented architecture (SOA), browsers that support rich client features such as AJAX, and the notion and popularity of mashup... (more)

Understanding Coupling for the Clouds

One of the key concepts to consider when talking about services and cloud computing is the notion of coupling. We need to focus on this since, in many instances, coupling is not a good architectural choice considering that the services are not only hosted within separate data centers, but hosted by one or more cloud computing providers. Since the beginning of computing, we've been dealing with the notion of coupling, or the degree that one component is dependent upon another component, in both the domain of an application or an architecture. Lately, the movement has been toward ... (more)