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InfoQ Minibook: Composite Software Construction

by Stefan Tilkov on  Nov 26, 2007

In a new InfoQ minibook, InfoQ SOA Editor and SOA Enterprise Architect Jean-Jacques Dubray describes the state of the art and emerging new approaches in building "Composite Software", solutions created by assembling existing services. The book is available as an InfoQ Minibook, i.e. free of charge in PDF format for InfoQ users. A printed version is available too.

Presentation: Gregor Hohpe on Conversations Between Loosely Coupled Services

by Stefan Tilkov on  Aug 08, 2007 3

In this presentation, Google architect Gregor Hohpe introduces various concepts for to manage more complex interactions between services, including conversations, choreography, and orchestration. He provides a down-to-earth look at these concepts along with the associated Web services standards like WS-BPEL and WS-CDL, and identifies common patterns in service conversation.

Article: Service Composition

by Stefan Tilkov on  Jul 26, 2007 8

In an InfoQ article, Boris Lublinsky discusses the main approaches to service composition, both from design and implementation point of view, and outlines the benefits of using orchestration. Topics covered include hierarchical vs. conversational composition, composition topologies, and the pros and cons of difference implementation approaches.

Event Driven Architecture and Service Oriented Architecture

by Arnon Rotem-Gal-Oz on  Jul 10, 2007 2

Event Driven Architecture (EDA) is starting to emerge as a good and viable option to build better SOAs. David Luckham recently published a 2 part paper supporting this claim and InfoQ published an article on BI & SOA demonstrating it as well.

WS-BPEL4People on its way to OASIS

by Arnon Rotem-Gal-Oz on  Jun 26, 2007 1

A group of several vendors suggests a new WS-* spec that goes by the interesting name "WS-BPEL4People". Compared to WS-BPEL which deals with automated business processes, the WS-BPEL4People spec, which has been under works for nearly two years now, aims to add human workflow capabilities to SOA in general and to the recently approved WS-BPEL 2.0 spec specifically.

Presentation: Gregor Hohpe on Developing in a Service-oriented World

by Stefan Tilkov on  May 03, 2007 4

In this presentation, Google architect Gregor Hohpe takes a look at the architectural aspects of SOA, addressing issues such as the false sense of simplicity and the problems of established programming models.

WS-BPEL 2.0 Becomes an OASIS Standard

by Stefan Tilkov on  Apr 12, 2007 5

After nearly four years, WS-BPEL 2.0, the Web Services business process execution language, has become an approved OASIS standard.

WCF Live Service Trace Viewer

by James Vastbinder on  Oct 05, 2006

Craig and Vittorio release their Live Service Trace Viewer which is an enhancement to the one provided in the .NET 3.0 SDK. The differentiator: you can view the WCF interactions as they happen.

Debate: The Future of WS-BPEL

by Stefan Tilkov on  Sep 28, 2006 5

With the recently released public review draft of the WS-BPEL 2.0 specification, an interesting debate has started about the relative merits of BPEL in general and issues surrounding portability, interoperability, and compatibility.

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