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The Economics of Service Orientation
This article explores the structural economic changes brought up by service orientation. Most IT organizations today are under enormous financial pressure trying to keep rising costs and flat budgets in synch. The restructuring brought about by the concept of services and reuse at the service level promises long lasting relief from the cost treadmill.
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Introduction to Virtual Service Oriented Grids
This article discusses the combination of three ideas, virtualization, service-orientation, and grid computing into a single concept and computing platform concept, "virtual service-oriented grids." In addition to history and definitions, the article addresses an approach, with an example, to analyzing and implementing this technology.
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The Emergence of Virtual Service Oriented Grids
This article introduces and discusses three technologies, virtualization, service orientation, and grid computing, and then shows how they are combining to create new design and deployment options - "Virtual Service Oriented Grids." The business case for using this emergent model is also discussed.
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SOA Governance: An Enterprise View
SOA architect Michael Poulin explains the necessity for SOA governance to ensure an SOA initiative's success, and explains the role the OASIS SOA Reference Model and the accompanying SOA Reference Architecture assign to SOA Governance. Michael observes SOA governance specifics from the enterprise perspective and illustrates them with several examples of SOA Governance policies.
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Service-Oriented Development with Consumer-Driven Contracts
In this article, Ian Robinson discusses how "consumer-driven contracts", in the form of "stories for services" and unit tests exchanged between service development streams, can strengthen the service-oriented development lifecycle. In contrast to contracts defined from the POV of the provider, consumer-driven contracts result from combining the demands of all known service consumers.
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Service Oriented Architecture Governance: The Basics
In this article, MomentumSI's Ed Vazquez explains the basics of SOA governance, with an explicit focus on the need for a holistic SOA governance model, shared governance principles and the difference between (and the need for both) tactical and strategic efforts.