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David Linthicum

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Top Stories by David Linthicum

It doesn’t take a rocket scientist to understand that mashups are moving from things that are conceptual and fun, to things that are productive and businesslike. The fact is, developers are leveraging mashups to solve all sorts of business problems these days, and the speed to production and the value of these little applications is compelling. However, when you look at mashups, you're not only looking at the mixing and matching of resources found on the Web and / or within the enterprise, but at a true composite application as we've been defining for years in the world of SOA. Thus, mashups are indeed SOA, and SOA does indeed include the concept of mashups. However, there are many in the emerging world of Web 2.0 who would differ on this point of view. We’ll talk more about that later. What I’m asserting is that, when talking about mashups in the con... (more)

Approaching Cloudsizing

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 d... (more)

Cloud Computing and Your Enterprise Architecture and/or SOA

There are a few other issues to consider when looking to leverage cloud computing as a component of your enterprise architecture and/or SOA:  First, cloud computing is not the savior of IT. It's nothing but a way to deploy your enterprise architecture in such as way that has the potential to be more productive and cost effective. In essence, it's a tool, not a way of life. It's not magic, it's not even new, but if approached correctly, could be a path toward efficiency. Second, cloud computing and SOA are different concepts, but they are indeed related. SOA is a pattern of archite... (more)

Semantic Mapping, Ontologies, and XML Standards

When dealing with application integration, as you know by now, we are dealing with much complexity. The notion of ontologies helps the application integration architect prepare generalizations that make the problem domain more understandable. In contrast to abstraction, generalization ignores many of the details and ends up with general ideas. Therefore, when generalizing, we start with a collection of types and analyze commonalities to generalize them. Clearly, semantic heterogeneity and divergence hinders the notion of generalization, and as commonalities of two entities are r... (more)

Joining Enterprises with "Web 2.0"

We are moving toward a day when most of our enterprise applications may be delivered as services, and thus provide a more economical way to approach information technology management with businesses going forward. This is also the great equalizer since businesses, large and small, will have access to the same number and quality of services, much like they do with Web sites today. Shared services will create many opportunities, including better agility and the ability to operate a business with fewer IT resources. In essence, we're moving to "Web 2.0"—where service delivery ... (more)