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David Linthicum

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Top Stories by David Linthicum

So, what do AJAX and SOA have in common? The answer: Everything. Is AJAX an enterprise technology? The answer: Absolutely. As we move to next-generation enterprise architectures using newer notions such as Service Oriented Architecture (SOA), there's a need for a dynamic Web interface that can layer over services and provide more value to the enterprise. Moreover, the enterprise in general can benefit from the advantages of AJAX; it's just a matter of making enterprise developers as well as the SOA architects aware of AJAX. AJAX is becoming the standard dynamic interface for the Web. It adds value to SOA as well, providing the core-enabling technology for user interaction no matter whether we're dealing with applications that are remotely hosted or local to the enterprise. In essence, AJAX provides better edge technology for SOAs, or the top layer of technology deal... (more)

SOA 2 Point Oh No!

Here we go again. While the paint is still wet on this new Web 2.0 stuff, many SOA vendors and large analysts firms are calling their market SOA 2.0. It's one of the silliest things I've heard in a long while, and both the analysts and vendors who use this term should be ashamed of themselves. I get Web 2.0 because the Web is well over 10-years-old and we've been successful in using this pervasive technology and now we're moving to newer and more exciting stuff such as AJAX and RSS thus the new version number. However, we've yet to get large-scale traction with SOA so SOA 2.0 is ... (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)

SOA - Loosely Coupled...What?

With the advent of Web services and SOA, we've been seeking to create architectures and systems that are more loosely coupled. Loosely coupled systems provide many advantages including support for late or dynamically binding to other components while running, and can mediate the difference in the component's structure, security model, protocols, and semantics, thus abstracting volatility. This is in contrast to compile-time or runtime binding, which requires that you bind the components at compile time or runtime (synchronous calls), respectively, and also requires that changes ... (more)

Joining Enterprises With Web 2.0

The notion of building bridges to service providers and managing the interaction will become more commonplace in 2006 as we learn to accept that many services we leverage within an enterprise are services we may not host. The technology exists today. We need to define and refine our approaches now, including architectures, enabling technology, and use of standards. Most enterprises are way behind. 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 w... (more)