InfoQ Homepage Enterprise Architecture Content on InfoQ
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SOA Governance - Long-Term SOA Implementation and Management
In this article, Wolfgang Keller explores the challenges in SOA adoption and discusses the commonalities and differences of SOA governance to overall IT governance. He discusses why SOA initiatives frequently get bogged down, and how the anchoring of SOA in an IT governance can help make SOA a success.
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Interview: Dino Chiesa on Microsoft's SOA strategy
Microsoft has intensified its marketing efforts on SOA with the launch of a new web site, a series of webinars, an ebook, “SOA in the Real World” and the “SOA & Business Process Conference 2007”. In the next couple of months Microsoft will also be releasing .Net 3.5 and an ESB Guidance. InfoQ talked to Dino Chiesa, Director of Marketing for .Net to better understand Microsoft's SOA strategy.
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An Introduction to Apache ODE
In this new InfoQ article, Paul Brown introduces Apache ODE, an open source implementation of the WS-BPEL 2.0 standard. ODE differs from other BPEL engines in that it is delivered as a component rather than a framework for developers looking to add orchestration functionality to their systems. Paul introduces ODE's features by showing how to deploy and execute a simple process.
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"Code First" Web Services Reconsidered
In this article, Dennis Sosnoski questions the conventional wisdom that a contract-first approach to web services development, i.e. starting from WSDL, is superior to starting from code. He shows how the JiBX framework can be used to practice start-from-code development without incurring the disadvantages, specifically without coupling implementation and interface too tightly.
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Service Composition
In this article, Boris Lublinsky discusses the main approaches to service composition, both from design and implementation point of view, and outlines the benefits of using orchestration. Topics covered include hierarchical vs. conversational composition, composition topologies, and the pros and cons of difference implementation approaches.
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Roles in SOA Governance
To make sure SOA succeeds, many vendors, analysts, consultants and practitioners agree that Governance is a critical ingredient for a successful SOA initiative. This article explores a potential set of roles for successful SOA Governance, the roles of "SOA Domain Architect", "SOA Platform Architect", "Service Designer", "Business Service Owner", and "Technical Service Owner".
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Eric Newcomer on the future of OSGi
Eric Newcomer, co-chair of the OSGi Enterprise work group, talks about the evolution of OSGi and it's relationship to SOA and ESB. He discusses how he thinks OSGi will evolve over the coming years and whether or not it makes sense for Sun to adopt OSGi as the container model of choice."
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Bridging the gap between BI & SOA
Business intelligence (BI) and service-oriented architecture (SOA) have conflicting principles and needs. SOA promotes hiding the data inside the services while BI needs that very data if we want to get meaningful predictions and alerts. This article will show you how you can combine SOA with EDA to solve the BI/SOA conflict and maybe even enhance your SOA.
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Service Firewall Pattern
How can you protect a service against detect malicious incoming messages and prevent information disclosure on outgoing messages? In this sample chapter from Arnon Rotem-Gal-Oz' in-progress book SOA Patterns, Arnon explains how to use a Service Firewall to intercept incoming and outgoing messages and inspect them in a dedicated software component or hardware.
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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.
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Unit-Testing XML
There are many occasions where software creates XML output: XML documents are used for data interchange between different applications, web application create (X)HTML output or respond to AJAX requests with XML, and this has to be tested as much as anything else. In this article, Stefan Bodewig explains how to perform those tests with the XMLUnit framework he has co-authored.
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Interview and Book Excerpt: RESTful Web Services
Today, InfoQ publishes a sample chapter from RESTful Web Services, a book authored by Leonard Richardson and Sam Ruby. The book covers the principles of the REST style, and explains how to build RESTful applications using Java, Ruby, and Python. InfoQ's Stefan Tilkov had a chance to talk to the authors about their motivations for writing this book and their views on REST and Web services.