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  • A Decade of SOA: Where are we, Where are we Going?

    by Jean-Jacques Dubray on  Oct 26, 2009 3

    SOA is 10 years old. InfoQ has gathered Jeff Andres, Eric Ballou, Dave Hollander and William El Kaim, all Enterprise Architects with a long experience in SOA, to share their perspectives on where we are and where we are heading, as part of a virtual panel. They talk about Reuse, Business/IT alignment, Governance,...

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

    by Thomas Erl on  Oct 15, 2009

    “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.

  • SOA and Service Identification

    by Rathina Dhandapani on  Sep 29, 2009 1

    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.

Patterns from "SOA Design Patterns" by Thomas Erl, Part 2

Posted by Thomas Erl on  Sep 21, 2009

SOA Design Patterns: Compatible Change, Version Identification, Termination Notification, Service Refactoring, Service Decomposition, Proxy Capability, Decomposed Capability, Distributed Capability.

Patterns from SOA Design Patterns by Thomas Erl, Part 1

Posted by Thomas Erl on  Sep 01, 2009

In this article we present 3 Inventory Governance Patterns from chapter 10 of the book SOA Design Patterns by Thomas Erl: Canonical Expression, Metadata Centralization, and Canonical Versioning. 1

Book Review: Ladder to SOE

Posted by Dave West on  Aug 14, 2009

A review of Michael Poulin's book, Ladder to SOE. Michael's book shows how to use the principles of service orientation to align IT with the business, and the business with market dynamics. 1

SOA Governance Maturity – an Architect’s View

Posted by Tom Schepers, Benedikt Kratz on  Jun 23, 2009

This article presents a framework of SOA Governance processes, a maturity model, linked to the processes and a description of how architects should be involved in these processes.

Interview with the Book Authors: Brown, Laird, Gee, Mitra: SOA Governance

Posted by Boris Lublinsky on  Mar 20, 2009

InfoQ spoke with Clive Gee, William A. Brown, Robert G. Laird, Tilak Mitra about their latest book SOA Governance: Achieving and Sustaining Business and IT Agility.

We Need to Create Information System Ratings

Posted by Pierre Bonnet on  Mar 09, 2009

Pierre Bonnet argues that information systems are too opaque and not agile enough. He claims this is the main reason why "healthy" companies can collapse within months as they take on too much risk. 5

A Message Type Architecture for SOA

Posted by Jean-Jacques Dubray on  Feb 09, 2009

This article proposes a new Message Type Architecture to help manage the message formats in a SOA. The approach promotes reuse and helps aligning the Data and SOA governance processes. 28

SOA Contract Maturity Model

Posted by Kjell-Sverre Jerijærvi on  Jan 13, 2009

This article shows how recommended contract versioning design policies relate to a SOA Maturity Model. The goal is to provide a roadmap for achieving versioning and composability.

Contract Versioning, Compatibility and Composability

Posted by Kjell-Sverre Jerijærvi, Jean-Jacques Dubray on  Dec 09, 2008

Kjell-Sverre and Jean-Jacques revisit the concept of compatible contract based on XML, XML Schema and WSDL extensibility to foster service reuse and complement Governance. 29

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