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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".

Stefan Tilkov
on Jul 18, 2007
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."

Mark Little
on Jul 13, 2007
Using ETags to Reduce Bandwith & Workload with Spring & Hibernate

Gavin Terrill explores one of the lessor known facilities available to web developers, the humble "ETag Response Header", and how to integrate its use in a Spring and Hibernate based web app to improve application performance and scalability.

Gavin Terrill
on Jul 11, 2007
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.

Arnon Rotem-Gal-Oz
on Jul 10, 2007
Introduction to .NET 3.0 for Architects

Mohammad Akif provides an overview of the release the .NET Framework 3.0. While there are no changes in the CLR there are significant additions to framework itself in the form or a new language, XAML, and brand new libraries like WPF, WF and WCF. In order to unleash its full potential Architects need to understand the changes and possibilities of this latest release of .NET.

Mohammad Akif
on Jul 03, 2007
Dynamic Routing Using Spring framework and AOP

Vigil Bose shows how a business transaction can trigger business events dynamically for subsystem processing. The examples shown in this article uses Spring framework 2.0 and Spring AOP effectively to decouple the business service from the subsystem processing functionality.

Vigil Bose
on Jun 26, 2007
Agile, Architecture and the 5am Production Problem

Can refactoring and unit testing really create robust “working software” that survives the real world? In this story adapted from his book Release It! Michael Nygard contends that "abstractions leak": we need to attend to architecture, even in Agile projects, to guard ourselves against the 5AM failures that occur when foundational abstractions misbehave.

Michael Nygard
on Jun 25, 2007
Aaron Erickson on LINQ and i4o

Aaron Erickson introduces his new LINQ extension Indexes for Objects (i4o). Indexes for Objects allows for fast lookup against in-memory collections while retaining the LINQ syntax and semantics. He also discusses how expression trees interact with LINQ and how they can be leveraged in other scenarios.

Jonathan Allen
on Jun 22, 2007
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.

Arnon Rotem-Gal-Oz
on Jun 18, 2007
Book Excerpt and Review: Groovy in Action

The Groovy language is bringing many of the features that have become popular in Ruby to Java and the JVM. Groovy in Action by Dierk Koenig, Andrew Glover, Paul King, Guillaume Laforge and Jon Skeet provides a guided tour to learning the language and places it can be put to use. . InfoQ is excited to present an excerpt of the book of along with a review by Grails team member Jason Rudolph.

Jason Rudolph
on Jun 13, 2007
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.

Ed Vazquez
on Jun 11, 2007
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.

Stefan Bodewig
on Jun 11, 2007

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