InfoQ Homepage SOA Content on InfoQ
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Level Up Your REST Based Web API with Hypermedia
When we started building a new Web API for our business we wanted to build a really great API and the answer on Internet was to build a RESTful API, Amy Palamountain revealed in a recent presentation at TechEd in New Zealand when sharing her experiences of how to build a RESTful API based on the core ideas of HTTP and the web.
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Experiences Versioning a RESTful Service
Use server driven content negotiation, but enhance the response with links to alternate versions and formats of the representation, thus letting the client choose which URIs to follow due to its needs Howard Dierking recently wrote when comparing his newly gained experiences working with designing the next major revision of the NuGet API, V3, with his thoughts almost a year ago.
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Scaling Twitter to New Peaks
For many of us Twitter has become an essential communications utility. Since experiencing scalability problems in 2010, Twitter has moved to a loosely coupled service oriented architecture based on the JVM, allowing it new levels of scalability and feature agility. Twitter engineering recently reported a new record throughput and took time out to describe their new architecture.
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XML Can Give the Same Performance as JSON
Many of the presumptions of how slow and resource-demanding "Fat” XML is compared to JSON’s lightweight payload do not hold up to a test David Lee, lead engineer at Marklogic, states after running a "crowd sourcing" experiment with 33 different documents and almost 1200 tests on a multitude of browsers and operating systems.
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Dependency Principles for SOA
Earlier this year Ganesh Prasad discussed the concept of thinking of SOA as "Dependency-Oriented Thinking". Based upon further interactions and involvement with real-world use cases, Ganesh has come up with a dozen principles which he believes can help successful SOA.
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NServiceBus 4.0 with support for RabbitMQ and ActiveMQ
Version 4.0 of NServiceBus, a service bus for .NET, has just been released with support for RabbitMQ and ActiveMQ in addition to MSMQ. Support for using database tables as queues has also been added, and performance for the MSMQ transport has been significantly improved. According to Udi Dahan, the founder of NServiceBus, this is the biggest release ever.
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Portable Class Libraries for Google APIs
Google has released a new beta of their SDK known as the Google APIs .NET library. This SDK is being offered as a Portable Class Library and covers 45 of Google’s APIs. This allows Google to offer one DLL that works across .NET, WinRT, Windows Phone, and Silverlight.
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Outsource User Management and Authentication with Stormpath
Most applications these days require user management, authentication, and authorization from the beginning and even a minor mistake can be disastrous. To help developers focus more on what the application actually does, Stormpath is offering turnkey user management and authentication services. Using these services, applications can authenticate users via a single API call.
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Meet Nanoko: a Javascript SOA Platform and Build Process
Built by Ubidreams and Dynamis Technologies, Nanoko is a Javascript build process designed to provide modularity and reusability, complementing existing tools instead of reinventing them.
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Windows Azure Service Bus Gets Better Interoperability With AMQP
Microsoft recently announced general availability of AMQP support for Windows Azure Service Bus. The feature has been in preview for about six months now and allows interoperability between applications built on various technologies and different operating systems.
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What’s New in OData 4.0?
The fourth version of OData, the Microsoft-backed standard for querying data using REST conventions, has been accepted by the OASIS committee. The public review period will run thru June 2 and Microsoft expects OASIS to adopt the standard later this year.
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Spring adds HATEOAS Support to REST Based Web Services
The Spring Framework is currently in progress of adding HATEOAS, Hypermedia As The Engine Of Application State, support to REST web services. Primary focus for the library is to provide an API for simplifying the creation of hypermedia links and assembling of REST resource representations.
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What Is Idempotent in REST?
What Is Idempotent in REST? One of the important aspects of REST (or at least HTTP) is the concept that some operations (verbs) are idempotent. Idempotency is also discussed in the SOA Design Patterns. For instance, does it matter if an operation only appears to be idempotent to users, when in fact it does change some state, such as updating a logger?
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Has Web Style Worked?
Almost 7 years ago Tim Bray declared SOA dead and the future was Web Style. In a recent blog post Jean-Jacques Dubray looks back over the years and decides that Web Style hasn't worked and, given the plethora of non-Web Style services in the Programmable Web directory, is in fact itself dead. He also looks at what this means for computing and the future of application development.
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Experience Based Principles for Succeeding at SOA
After many years of working in the SOA field, Jean-Jacques Dubray has written down what he believes are four principles for helping to achieve successful SOA.