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SOA and Agile: Friends or Foes?

SOA aims at making the entire enterprise agile by using services as the building blocks for applications. Agile software development aims at making organizations agile by introducing practices that increase communication and feedback. Which is right? Which is better? Are we comparing apples and oranges? Can they be used together, and if so, how? Join us in the discussion!

Amr Elssamadisy
on Apr 14, 2007
Interview: Frank Cohen on FastSOA

InfoQ today publishes a one-chapter excerpt from Frank Cohen's book "FastSOA". On this occasion, InfoQ had a chance to talk to Frank Cohen, creator of the FastSOA methodology, about the issues when trying to process XML messages, scalability, using XQuery in the middle tier, and document-object-relational-mapping.

Stefan Tilkov
on Apr 05, 2007
Key Takeaway Points and Lessons Learned from QCon London 2007

This article presents the main takeway points and further reading as seen by the many attendees who blogged about QCon. Comments are organized by tracks and sessions: Case studies (amazon, eBay, Yahoo!) Java, Agile, the Agile Open Space, Qualities in Architecture, Ajax and Browser Apps, .NET, Ruby, SOA, Usability, Banking Architectures followed by a summary of peoples over all opinions of QCon.

Floyd Marinescu
on Mar 22, 2007
Versatile RESTful APIs Beyond XML

The world of RESTful resources that Rails firmly entered with version 1.2 naturally uses XML as its lingua franca. But there's no reason that it can't be multi-lingual, and thanks to the versatility of rails it's easy to support other standards alongside XML in our RESTful applications, potentially opening them up to a wider audience and/or reducing their bandwidth requirements.

James Stewart
on Mar 13, 2007
Implementation of business rules and business processes in SOA

Boris Lublinsky and Didier Le Tien discuss how business process engines and business rule engines differ, where their respective strengths are and when to use what in an SOA context. They discuss commonalities and differences between business rules and business processes and present some guidelines on positioning business rules in SOA implementation and appropriate usage of each technology.

Didier Le Tien Boris Lublinsky
on Mar 12, 2007
Introduction to ActiveMessaging for Rails

The maintainer of ActiveMessaging for Ruby on Rails gives a comprehensive and informative introduction to his open-source framework, which enables enterprise messaging technologies to be easily integrated with Ruby on Rails applications, and is getting support from noted industry leaders such as James Strachan and Jon Tirsen.

Andrew Kuklewicz
on Mar 01, 2007
10 Principles of SOA

In this article, InfoQ's Stefan Tilkov, consultant at innoQ, proposes 10 principles to serve as a basis for SOA discussions. The list starts with Don Box's four tenets (service with explicit boundaries, shared contract and schema, policy-driven, and autonomous) and expands them to include wire formats, document orientation, loose coupling, standards compliance, vendor independence, and metadata.

Stefan Tilkov
on Feb 27, 2007
Interview with Sanjiva Weerawarana: Debunking REST/WS-* Myths

InfoQ had a chance to talk to WS-* expert and WSO2 CEO Sanjiva Weerawarana, one of the fathers and a firm advocate of the WS-* architectural vision, we questioned him on the WS-* platform and his views on Microsoft's role in standardization. Sanjiva also took the opportunity to address "WS-* and REST myths".

Stefan Tilkov
on Feb 16, 2007
Messaging Interop with JMS & Spring.NET

Message oriented middleware has long been a popular choice to integrate diverse platforms. Using MOM as a basis for communication between .NET and Java this article demonstrates interoperability between a .NET client and a Java middle tier using the JMS support in the Spring framework, available for .NET as well as Java, to provide a common programming model across both tiers of the application.

Mark Pollack
on Feb 13, 2007
Arjen Poutsma on Spring Web Services

InfoQ's Stefan Tilkov talks to Spring Web Services creator Arjen Poutsma about Spring's Java Web services stack and the different approach it has to building Java Web services. Topics covered include the reason for yet another WS framework, advantages of contract-first, document-driven Web services, JAX-WS, and REST.

Stefan Tilkov
on Jan 31, 2007
A Hard Look at the Organizational Implications of BPM

This article examines the conceptual BPM project from the following perspectives: what is involved to deliver the project, what are its enablers and what are its total costs of ownership (TCO). Before investments are made in reengineering processes and deploying BPM solutions, businesses need to commit to making the organizational changes necessary to allow realization of any lasting value.

Andrew S. Townley
on Jan 11, 2007
Eric Evans on why DDD Matters Today

In this excerpt from InfoQ's Domain-Driven Design Quickly, Eric Evans (author of the original book on DDD) explains why DDD matters today, how it fits into today's software development platforms, and what's been going on with DDD in the last few years.

Eric Evans
on Dec 20, 2006

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