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Kerrie Holley

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Top Stories by Kerrie Holley

In many respects, SOA is an evolution of the fundamental tenets governing component-based development (CBD). It also represents a quantum leap in bringing business and information technology into closer alignment through a set of SOA services grounded in business goals in support of business processes. While SOA services are visible to the service consumer, their underlying components are transparent. For the service provider, the design of components, their service exposure and management reflect key architecture and design decisions that enable services in SOA. Making these decisions requires an understanding of an SOA's components and SOA modeling to identify, classify, specify, and structure service-enabled components. In this article we briefly discuss the relationship between CBD and SOA, followed by a discussion of SOA architecture and design decisions. We ... (more)

Powerful Enterprise Architecture and Information Technology Strategies

The promises of services-oriented architecture, enterprise architecture (EA), and information technology (IT) strategies - to change IT from inhibitor to enabler of business flexibility and align IT with business strategies - are remarkably similar. However, for many companies, their EA and IT strategies have not become the catalyst for the intelligence enterprise, the sense-and-respond organization, the agile enterprise, or the adaptive enterprise. It is the failed promises that tightly couple SOA, EA, and IT strategies. Effective EA and usable IT strategies are necessary to re... (more)