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Application Integration Through Mail Servers

When performance and speed are not an issue, SMTP and POP3 can be used to integrate applications communicating to each other through a Mail Server. This article shows such an example using the Apache James Mail server plus Mule and ServiceMix.

Jos Dirksen Tijs Rademakers
on Dec 17, 2008
Describing RESTful Applications

If servers control their own namespace without a fixed resource hierarchy, how do clients, and more importantly client developers, get to learn or discover URIs of resources? In a new article, Subbu Allamaraju discusses how to describe a RESTful API, focusing on using hypermedia instead of an out-of-band description format such as WADL or WSDL 2.0.

Subbu Allamaraju
on Dec 16, 2008
Key Takeaway Points and Lessons Learned from QCon San Francisco 2008

This article presents the main takeway points as seen by the many attendees who blogged about QCon. Comments are organized by tracks and sessions: Keynotes, Interviews, RESTFul Web Integration in Practice, Solutions Track, Performance and Scalability, Being Agile, Ruby in the Enterprise, Cloud Computing, Functional/Concurrent Programming Applied, Effective design and Clean code, and many more!

Ryan Slobojan
on Dec 12, 2008
SOA Agents: Grid Computing meets SOA

Grid technology for improving scalability, high availability and throughput in SOA implementations. In this article, Boris Lublinsky explains how Grid computing can be used in the overall SOA architecture and introduces a programming model for Grid utilization in service implementation. He also introduces an experimental Grid implementation that can support this proposed architecture.

Boris Lublinsky
on Dec 11, 2008
Contract Versioning, Compatibility and Composability

Kjell-Sverre and Jean-Jacques revisit the principles of contract design focusing on the concept of compatible contract based on XML, XML Schema and WSDL extensibility to foster service reuse and complement Governance. The article includes a novel approach to manage message types in relation to an enterprise data model.

Jean-Jacques Dubray Kjell-Sverre Jerijærvi
on Dec 09, 2008
Writing A Textual DSL Using 'OSLO'

Microsoft unveiled the building blocks of their “OSLO” vision during the PDC event in Los Angeles in October. As key part the Oslo tools is a language for modeling textual DSLs. This article is an attempt to try and use the language to write our own language definition.

Dilip Krishnan
on Dec 08, 2008
Structured Event Streaming with Smooks

Smooks is best known for its transformation capabilities, but in this article Tom Fennelly describes how you can also use it for structured event streaming.

Tom Fennelly
on Nov 26, 2008
Harvesting Service Orientation

In this article, Wil Leeuwis explores lessons that can be learned from a historical perspective when thinking about SOA. He argues there's a lot of old, well understood and practically applied theory that can help us harvesting the profits of the innovation part of the services-world.

Wil Leeuwis
on Nov 22, 2008
Why BPEL is not the holy grail for BPM

In the Business Process Modeling world there is still an ongoing standards debate. In this article, Pierre Vigneras of the Bull BPM team, discusses problems with one of those standards - BPEL. Pierre walks us through a simple parallel process and discusses the numerous issues practitioners face in trying to express an unstructured flow based on a structured model.

Pierre Vigneras
on Oct 21, 2008
Implementing SOA Governance

The hardest thing about a successful adoption of SOA is not the technology, but rather, the culture change. In this article, Todd Biske offers his perspective on using Governance to drive this culture change. The article covers the establishment of policies, defines the role of a CoE and look at techniques to help with the enforcement of these policies.

Todd Biske
on Oct 20, 2008
How to GET a Cup of Coffee

In this article, Jim Webber, Savas Parastatidis and Ian Robinson show how to drive an application's flow through the use of hypermedia in a RESTful application, using the well-known example from Gregor Hohpe's "Starbucks does not use Two-Phase-Commit" to illustrate how the Web's concepts can be used for integration purposes.

Jim Webber Savas Parastatidis Ian Robinson
on Oct 02, 2008
AtomServer – The Power of Publishing for Data Distribution – Part Two

In this article, Bryon Jacob and Chris Berry continue their description of AtomServer, their implementation of a full-fledged Atom Store based on Apache Abdera. The authors have created several extensions to the AtomPub specification, among them Auto-Tagging, Batching, and Aggregate Feeds.

Chris Berry Bryon Jacob
on Sep 26, 2008