OData v4.0 Committee Specification with Data Models, URL Components, CSDL, Vocabulary and Annotation
OASIS Open Data Protocol Technical Committee recently approved ODATA v4.0 as committee specification and also made available the complete reference documentation in both online and downloadable ZIP formats.
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.
Recently, Tom Dale, one of the creators of ember.js, wrote an article that re-kindled a brewing debate on the need for progressive enhancement. This is a quick look at the different views on the debate.
Firebase is out of beta with pricing plans and SLAs. This article contains details on Firebase and an interview with Andrew Lee, CTO.
Recently Steve Jones from CapGemini commented on some text in a Nokia API project on github which indicated that designing and documenting APIs for REST based services was no longer required and that HATEOAS was sufficient. Given Steve's previous comments on IT valuing technology over thought, this was something he needed to call out as bad practice.
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.
"Don't version unless you absolutely must, and it is rare that you absolutely must" says Mike Amundsen in a series of API design workshops he held recently. Amundsen describes the "USE" paradigm for API design focussing on usability, scalability and evolvability. He describes the three most common styles of API implementation and how they compare to these principles.
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.
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.
Node.js has built a user-base and reputation for fast and scalable back-end systems. In a recent edition of the Nodeup podcast, four engineers share their experiences developing APIs using the platform. The conversation covers a range of key concerns including API design, security, testing, documentation, schemas and streaming. But advertising your API as RESTful may not be a good idea.
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.
WSO2 has announced App Factory, a PaaS-enabled DevOps platform for the enterprise providing a set of integrating tools for creating, managing and governing applications along with the necessary runtimes to run those applications in the cloud.
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.
When JAX-RS 1.0 was first unveiled back in 2008 it became one of the first POJO/Annoation based frameworks for creating robust web-based applications. Now five years later Java EE 7 has been released and it includes the latest JAX-RS incarnation, version 2.0. InfoQ takes a look at the new features.
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.