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Practices from “SOA Principles of Service Design” by Thomas Erl

“SOA Principles of Service Design” by Thomas Erl is an encyclopedia of service design principles needed to build SOA solutions. This article contains three supporting practices taken from the book: Service Profiles, Vocabularies, and Organizational Roles.

Thomas Erl
on Oct 15, 2009
SOA and Service Identification

Service Oriented Architecture (SOA) has been widely accepted as an approach that facilitates business agility by aligning IT with business. In this article, Rathina Dhandapani, highlights key best practices in an SOA initiative to identify, validate and verify service inventory content well before implementation.

Rathina Dhandapani
on Sep 29, 2009
Building FlightCaster's Frontends for the Web and Smartphones

In part two of InfoQ's interview with the FlightCaster team, we discuss scaling Rails on Heroku, the problems of integrating data from multiple providers and mobile smartphone applications.

Werner Schuster
on Sep 18, 2009
Book Review: Understanding SCA

Four years after the publication of the first SCA specification draft, SCA remains a technology that is not well known or understood. Yet IBM and Oracle have built key product suites with it.Jim Marino and Michael Rowley, both co-authors of the SCA specifications, have published a practical guide to get started with SCA which covers the entire programming model from persistence to presentation.

Jean-Jacques Dubray
on Sep 10, 2009
Orchestrating RESTful Services With Mule ESB And Groovy

In this article, David Dossot, co-author of Mule in Action, examines the power of Mule RESTpack and Groovy in orchestrating RESTful services in the Mule messaging platform. The article detail the interactions for each of these steps and will consider what particular Mule moving parts and Groovy features we have used to achieve such an interaction.

David Dossot
on Aug 25, 2009
RESTful HTTP in practice

Gregor Roth overviews the basics of RESTful HTTP and discusses typical issues that developers face when they design RESTful HTTP applications, showing how to apply the REST architecture style in practice. Gregor describes commonly used approaches to name URIs, discusses how to interact with resources through the Uniform interface, when to use PUT or POST and how to support non-CRUD operations.

Gregor Roth
on Aug 18, 2009
Communication Flexibility Using Bindings

In this article, we will look at an important feature of SCA - its support for a wide variety of communication protocols and how to use SCA bindings on services and references to decouple your business code from communication protocols. Finally we'll take a look at the SCA domain to see how bindings operate in and outside the domain.

Simon Nash Raymond Feng Haleh Mahbod Anthony Elder Simon Laws
on Jun 30, 2009
The Emergence of Virtual Service Oriented Grids

This article introduces and discusses three technologies, virtualization, service orientation, and grid computing, and then shows how they are combining to create new design and deployment options - "Virtual Service Oriented Grids." The business case for using this emergent model is also discussed.

Parviz Peiravi Mark Chang Enrique Castro-Leon Jackson He
on Apr 30, 2009
Interview and Book Excerpt: Thomas Erl's SOA Design Patterns

Today, InfoQ publishes an excerpt from Thomas Erl’s newest book, SOA Design Patterns, and used the opportunity to interview the author. Topics covered include the role of a patterns catalog, differences between service-orientation, SOA, and Web services, and the current state of the SOA world.

Stefan Tilkov
on Mar 03, 2009
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
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.

Kjell-Sverre Jerijærvi Jean-Jacques Dubray
on Dec 09, 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.

Ian Robinson Savas Parastatidis Jim Webber
on Oct 02, 2008