InfoQ Homepage SOA Content on InfoQ
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Merge, Replace, or Patch: How Astoria Handles Changing Data
Using REST, what should happen when you perform a PUT operation to update existing data? The Astoria Team asks that question and explains their answer.
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Composing SCA Solutions and SCA’s Approach to Policy and Bindings Presentations
SCA continues to gain momentum, becoming a dominant SOA programming model adopted by many commercial SOA products. Several recently published presentations explain capabilities, inner working and usage of SCA.
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Loose Coupling in SOA Defined
In the debate on whether cohesion is important for SOA, Carlos Perez expressed his views on coupling in software construction, and how it has evolved in the context of an SOA. He starts out with Bertrand Meyer's principles of modularity and extends it to his own set of principles for service orientation.
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SOA Wordle: Nice But Is It Art?
Mike Matsumura has produced a SOA wordle (word cloud) that is interesting to look at, but is it an accurate reflection of SOA?
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Are SOA Centers of Excellence Necessary?
SOA is introducing new and complex processes and technologies while aiming at achieving challenging goals for the enterprise. A SOA Consortium panel discusses the importance of establishing a SOA CoE with a broad set of skills as a key success factor for delivering SOA.
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QCon San Francisco Nov 19-21 Enterprise Software Development Conference Launched
QCon is coming back to San Francisco this November 19-21st, featuring speakers such as Martin Fowler, Eric Meijer (creator of LINQ), Rod Johnson (Spring), and others. Digg.com, Facebook, Yellowpages.com and MySpace.com architectures will be presented. QCon is the conference for enterprise software development team leads, architects and project management.
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Interview: Randy Shoup Discusses the eBay Architecture
In this interview from QCon San Francisco 2007, Randy Shoup discusses the architecture of eBay. Topics discussed include eBay's architectural principles, horizontal and vertical partitioning, ACID vs. BASE, handling data inconsistency, distributed caching, updating eBay on the fly, architectural and coding standards, eBay's search infrastructure, grid computing, and SOA.
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OAuth Gaining Momentum
OAuth, an open standard for access delegation, is gaining momentum with a number of implementations including one for Spring Security.
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Article: David Nuescheler on JCR and REST
In this interview, Day CTO and JCR Spec Lead David Nuescheler discusses the benefits of JCR, the Java Content Repository standard, the difference between an API such as Atom/Atom Publishing protocol and JCR, JCR's connection to REST, and Apache Sling, a new kind of Web framework.
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Whoa There: SOA, SOA 2.0, ROA, WOA. An Acronym Too Far?
With SOA 2.0 dead and the REST vs SOA vs Web Services debates simmering less fiercely of late, some in the industry have started to talk about Web Oriented Architecture (WOA). But is this different to anything that already exists (e.g., REST)? If so, why and how does it help developers and deployers? Burton Group's Anne Thomas Manes believes it is a term too far and adds nothing to the debate.
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SOA Software Announces SOA Development Governance Product
Good governance of a service-oriented architecture is becoming a core competency. SOA governance is about ensuring and validating that assets and artifacts within the architecture are operating as expected and maintaining a certain level of quality. Newly released Repository Manager from SOA Software provides many features, that are required for successful SOA governance implementation.
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Presentation by Martin Fowler and Jim Webber: "Does My Bus Look Big in This?"
In this presentation, recorded at QCon London 2008, ThoughtWorks' Chief Scientist Martin Fowler and Global Head of Architecture Jim Webber share their views of the typical corporate ESB, which in their opinion has grown too fat for its own good. Martin and Jim suggest the Web's architecture as a possible and more light-weight alternative, in line with their preference for agile approaches.
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Object Lifecycle Explorer Released on AlphaWorks
Object Lifecycles (a.k.a State Machines) have been for the most part ignored by developers, architects and business process practitioners alike. A group of researchers from IBM Zurich has just released an Object Lifecycle modeling tool that complements and link with executable Business Process models.
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Velocity: Microsoft's Distributed In-Memory Cache
Distributed in-memory caches have been rather popular over the last few years in everything from mainstream Java applications to the fringe languages like Erlang. Continuing its rather frantic efforts to catch up with technologies predominately found in the open source world, Microsoft has introduced its own distributed cache.
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SOA Governance Revisited
Despite increased adoption, many of the SOA projects are still failing Things are often getting so bad that in a recent SOA was called "Dead on Arrival". One of the ways to improve this situation is proper SOA governance.