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Sunday, January 28, 2007
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The latest edition of Thomas Erl's [Editor] SOA Magazine is out.

Service Elicitation: Defining the Conceptual Service
Fundamental to any SOA delivery project is the definition of services. More specifically, the ability to define what constitutes a service and how logic should be partitioned and represented across a collection of services. The ambitious goal of SOA to achieve unity between business and technology domains further makes service definition a critical step along a typical SOA roadmap. This is the second article in a series dedicated to exploring the functional side of SOA. It explores several ways to properly describe a service in a stage called "service elicitation," essentially the process of extracting services from business knowledge...

SOA and EDA: Using Events to Bridge Decoupled Service Boundaries
The distinction between service-oriented architecture (SOA) and event-driven architecture (EDA) can be traced down to message patterns. Understanding the implications of common exchange patterns, such as request-and-reply and publish-and-subscribe, helps determine both fundamental differences and commonality in these two complementary architectural models. It is appropriate and desirable to use the acronyms SOA and EDA to make this distinction, because both of these architectural styles are positioned in the same domain; SOA focusing on the decomposition of business functions and EDA focusing on business events. This article explores the differences between these two models and specifically studies how EDA patterns can be used to connect decoupled service domains...

SOA and the Emergence of Business Technology: How Business Services are Changing the IT Landscape
Globalization is having a tremendous impact on IT. Fueled by technological change and innovation IT is becoming more capable than ever of establishing itself as a true partner to business, a trend that is creating the opportunity for a new breed of IT professional: one that is both technology and business savvy. In this article we discuss the genesis of this accelerating wave of change, how it has been responsible for and relates to the service-oriented architectural model, and how it is contributing to a new field we can call "business technology"...

1/28/2007 11:21 AM Eastern Standard Time  |  Comments [0]  |  Disclaimer  |  Permalink   
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