InfoQ Homepage SOA Content on InfoQ
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Is Cohesion Important for SOA?
Jim Webber re-ignited some interesting discussions about the need (or not) for Cohesive Services within SOA. What started as a fairly innocuous post has certainly generated a lot of debate.
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BPEL4People Virtual Roundtable Interview
In another one of our semi-regular Virtual Roundtables, InfoQ took the opportunity to talk to some of the main authors behind the BPEL4People and WS-HumanTask specifications and find out the driving forces behind it and what we can expect next.
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Mule 2.0 Released
Mule, a lightweight and highly scalable ESB, has just release Mule 2.0. New features in the 2.0 release include improved configuration using XML Schema, a closer Spring integration, and signification architectural improvements.
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Security for Services and Mashups
Security has become a rising concern in most applications and systems today. Whether you are building small mashups, enterprise applications, or a platform for SOA, there are several issues and approaches that are being discussed. Erica Naone talked about dealing with security in the world of mashups recently while Bob Rhubart and David Garrison from BEA discussed securing the services you deploy.
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Article: Spectacular Scalability with Smart Service Contracts
Udi Dahan describes an experience implementing a new order system in which large size message passing was affecting the scalability and even bringing down servers in the system. The article describes how they diagnosed the problem and their solution, by "changing our service contracts and introducing stateful interactions we were able to manage the performance critical state of the system."
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Presentation: Steve Jones on "Driving IT from the Business"
In a presentation recorded at QCon London, Cap Gemini's Steve Jones explains his concept of a business service architecture. Topics covered include how to apply SOA to existing systems, the problems one runs into when SOA is driven by technology, and the structural and organizational impact of business-driven SOA.
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Apache Abdera: Atom, AtomPub, and Java
The Apache Abdera project, an open source Atom Syndication and Atom Publication Protocol implementation currently still in its “incubation” phase, has recently reached its 0.40 milestone, an important step towards “graduation”. InfoQ had a chance to talk to IBM's James Snell and MuleSource's Dan Diephouse, two of Abdera’s core developers, about Abdera, Atom and AtomPub.
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Spring Web Services 1.5 Released
After 6 months of work, Spring Web Services 1.5.0 has been release. Based off contract-first development using SOAP service development, Spring-WS can be manipulated through XML to create document-driven Web services. Some of the highlights of the release include:
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WebSphere Updates: sMash, eXtreme Scale, Virtual Enterprise, Business Events
At IBM IMPACT this week, IBM announced a several new and re-randed upgraded products dealing with virtualization (Virtual Enterprise), clustering & caching (eXtreme Scale), complex event processing (Business Events), and RESTful web apps (sMash). InfoQ spoke to various execs and product managers to find out more.
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Article: QCon London 2008 Key Takeaways and Lessons Learned
QCon London took place March 12-14th and attendees have blogged summaries and take aways for 62 of the 96 sessions. There were 600 registrations for this second annual QCon in London, 70% of the attendees self-declaring as being team lead, architect and above. Over 100 speakers presented at QCon London including Kent Beck, Martin Fowler, and Erich Gamma.
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IBM's Smart SOA Vision Explained at Impact
At IBM's Impact event this week, IBM execs re-affirmed the view that the main innovation presented by SOA is business/IT alignment. They presented a business-process centric view of how SOA is an enabler for enterprises to change (agility), as well as their view of Smart SOA, a set of principles / maturity model for SOA based on numerous customer SOA deployments.
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Interview: Dan Diephouse on Atom, AtomPub, REST and Web Services
In a new interview, recorded at QCon San Francisco, Stefan Tilkov talks to noted Web services expert and open source developer Dan Diephouse about the benefits of using the Atom Pub and Atom standards for business applications, pros and cons of using REST, and upcoming features of the Apache CXF web services stack.
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Cool URIs in a RESTful World
What might this be: "envisioned as a decentralised world-wide information space for sharing machine-readable data with a minimum of integration costs"? Is this about REST? Nope. According to SWEO, it is about the Semantic Web. Cool URIs will help making this way. So it might be worth looking whether RESTful SOA URIs can also be "cool".
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Strengthening the Alliance Between Java EE and SCA
The 0.9 draft of the SCA Java EE Integration specification, just published by the Open SOA collaboration, defines the integration of SCA and Java EE within the context of a Java EE application, the use of Java EE components as service component implementations, and the deployment of Java EE archives either within or as SCA contributions.
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Generational SOA
SOA has often been described as a longer term development pattern than the hype surrounding it would often imply. However, many authors have frequently pointed out where some or all of the practices involved within SOA have been used over the past few decades. Kirstan Vandersluis goes further and discusses specific generations of service-oriented development that have lead to today's systems.