InfoQ Homepage SOA Content on InfoQ
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Article: "Code First" Web Services Reconsidered
In a new InfoQ article, Dennis Sosnoski questions the conventional wisdom that a contract-first approach to web services development, i.e. starting from WSDL, is superior to starting from code. He shows how the JiBX framework can be used to practice start-from-code development without incurring the disadvantages, specifically without coupling implementation and interface too tightly.
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Survey: Only 37% of enterprises achieve positive ROI with SOA
Nucleus Research and KnowlegeStorm have recently released a report of a survey they did citing that only 37% of 106 enterprises polled achieved positive Return on Investment (ROI) on their SOA deployments. Is SOA ROI just a myth?
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Interview: Jim Webber on "Guerilla SOA"
In this InfoQ interview, recorded at QCon London, Jim Webber, ThoughtWorks SOA practice leader talks to Stefan Tilkov about Guerilla SOA, a lightweight approach to SOA that does not rely on big middleware products, a message-oriented architectural style called MEST and its differences to REST, and the SOAP Service Description Language (SSDL).
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Selling SOA to the Business
Richard Veryard, a software industry analyst for the CBDi Forum, ponders the question: Do we have to sell SOA? If yes, how should it be done? He also talks about the cost and ROI of SOA.
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OpenCSA Plenary Kick-starts SCA Standardization Effort
Less than a week after the official announcement concerning the formation of 6 new SCA-related technical committees, OASIS announces that there will be a 3 day Plenary, which will include an educational day followed by the first meetings of the various committees.
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W3C Publishes an Update to Guide to Versioning XML Schema 1.1
The W3C published last month an update to its "Guide to Versioning XML Languages Using new XML Schema 1.1 features" which details the new features of XML Schema 1.1 in the context of schema versioning. They represent real advances for web service practitioners and should become part of your guidelines and best practices when the W3C releases XML Schema 1.1.
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IBM affirms Restful SOA & dynamic languages with Project Zero
In a recent interview, IBM WebSphere CTO Jerry Cuomo affirms that REST has become a core focus for IBM with Project Zero, a new web application development framework continues the trend away from pure java and towards dynamic languages for web application development and also emphasizes RESTful service development.
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Retire Microsoft's Four SOA tenets?
Microsoft's Harry Pierson (a.k.a. DevHawk) suggest that Microsoft's own 4 tenets for SOA should be retired because, well, they are, in Harry's opinion, useless - at least they are not useful anymore.
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Linked-In, Second Life, eBay, Orbitz, Yahoo! architectures to be presented @ QCon SF
The 'architectures you've always wondered about' track at QCon San Francisco this year will be featuring the architectures of Linked-In, Second Life, eBay, Orbitz, & Yahoo!, presented directly from key architects at those companies. QCon itself also has a number of other tracks on architecture, Java, .NET, Ruby, Agile, research technologies, and more.
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Perl/.NET Interoperability Using Web Services
Web services were supposed to enable cross-application integration regardless of the underlying platform or language. While the promise is still there, today we still need tricks to make it work.
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Microsoft announces the CTP3 of the ESB Guidance
Microsoft is releasing a new drop of its ESB Guidance (CTP3). The ESB guidance is a framework that runs on top of the BizTalk Server 2006 R2 and leverages WCF to provide ESB functionality (routing, transformation, validation,...).
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SOA and Software Appliances
One important trend in regard to SOA deployment options is virtualization. Virtualization is an important enabler of verstility and mobilty of services. A relatively new trend in the realm of virtualization is Software appliances, which can provide a viable option for packaging services for deployment.
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SAP NetWeaver Process Integration v7.1: a new architecture and enhanced SOA capabilities
SAP is ramping up for the launch of its latest version of the SAP NetWeaver Process Integration platform. Product Manager Sindhu Gangadharan said SAP NWPI v7.1 will be available next month. In an interview with Paul Read, she details the platform’s new capabilities.
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How Big Should A Service Be?
A recent Zapthink report discusses the granularity of services and how atomicity or composibility factor into the design. The result is a matrix that shows the potential trade-offs to be made when developing your services.
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Presentation: Gregor Hohpe on Conversations Between Loosely Coupled Services
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.