InfoQ Homepage Web Services Content on InfoQ
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Presentation: Scott Davis on Real World Web Services
In this presentation, recorded at the No Fluff Just Stuff Symposium, Scott Davis provides a pragmatic, down-to-earth introduction to Web services as used in the real world by public sites, including SOAP-based, REST and POX-style examples. While the buzzword density leaves nothing to be desired, the presentation contains a very accessible introduction to the core Web services standards.
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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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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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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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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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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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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.
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Article: Service Composition
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.
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WSO2 Releases Web Service Framework/C v1.0 and announces Mashup Server
WSO2 announced the release of WSF/C which is a C library used for producing and consuming web services in C. Similar releases exist for Java and PHP. They also announced a new product, the Mashup Server which will be a platform for creating, deploying, and consuming Web services Mashups.
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The Problem With SCA?
Eric Newcomer comments on David Chappells assertion that SCA participants have differing views about what aspects of SCA are important. In David's view it is the new Java programming model. Eric disagrees: in his view it's the service assembly model.
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Article: Roles in SOA Governance
In this article Stefan Tilkov, innoQ SOA consultant and InfoQ SOA Community editor, introduces a potential set of roles for successful SOA Governance. He describes the individual roles as well as the tasks assigned to each independent of any tool, vendor, or technology.
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SOA != Web Services
Many people seem to think that SOA and web-services are the same thing - but they are not. In a recent article Zapthink analyst tried to look at some of the causes for that and said it it was time to make the distinction between the terms more clear.
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Opinion: SOA doesn’t need a Common Information Model
Loose coupling is not just about using a common syntax and protocols, it is also about creating and managing a set of shared semantics. Let’s take a quick look at the differences between a common information model and shared semantics and decide which one you are more likely to use in a service oriented architecture.
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IBM Interoperability Pledge
IBM announced that it is granting universal and perpetual access to certain intellectual property that might be necessary to implement more than 150 standards designed to make software interoperable, including SCA and SDO.