InfoQ Homepage Architecture & Design Content on InfoQ
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The Costs of Versioning an API
Versioning of services is something which has been a cornerstone problem of SOA. There are many examples over the years of experiences gained and shared, but little in the way of concretely comparing and contrasting different approaches. Jean-Jacques Dubray has written about the experiences of his team in this area and some equations they have developed to try to illustrate the differences.
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A Few Highlights from QConSF2013- Part 1 of 2
On each day of the 3-day conference at the inviting environs offered at the Hyatt there was a jam-packed schedule of speakers, exhibits and activities that made for some difficult decisions as to which tracks and what happening to attend.
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Leveraging DDD in Core-Business Applications Using Entity Framework
Domain-Driven Design, DDD, is all about the domain, not about persistence. With a history of database programming for 25 years, later years using Entity Framework, Julie Lerman, a consultant on the .NET platform and a Microsoft MVP, in a recent presentation at the Øredev developer conference shares her persistence experiences when moving into DDD.
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Is Getting Rid of All Projects a Good Idea?
At the XP Days Benelux conference, Paul Kuijten did a session called "kill all projects" where he questioned if getting rid of all projects could be a good idea. InfoQ did an interview with Paul about project management practices that can be valuable for agile, and the funding of product development.
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A/B Testing for Mobile Applications
Best.ly offers support for A/B-testing mobile applications without the need for code changes and resubmitting to an app store. Currently, there is only a native library for the iOS platform but libraries for the Android eco-system are already in development and will be available soon. Experiments can be administrated online, adjusted during runtime and monitored in realtime.
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PayPal Switches from Java to JavaScript
PayPal has decided to use JavaScript from browser all the way to the back-end server for web applications, giving up legacy code written in JSP/Java.
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Experiences from Enterprise Integration with REST
Large-scale legacy replacement is the hardest job in the IT industry and REST over HTTP is an attractive option for many of these projects. Architecturally REST has proven scalability and to fit in well with domain modelling, Brandon Byars, a principal consultant at Thoughtworks, claims when sharing his experiences from using RESTful integration in large scale legacy replacement projects.
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Managing Business Change with Scrum at FloraHolland
FloraHolland wanted to realize change goals for business units in parallel with their daily business, and decided to use Scrum to manage their business changes. A session from the XP Days Benelux 2013 conference which shows how a Job Demands-Resources model was used by several business units to adopt Scrum and agile elements to change their way of working.
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Salesforce go API-first with Salesforce1
At the recent Dreamforce event in San Francisco Salesforce launched their Salesforce1 platform. The initial deliverables focus on mobile, and aim to improve on the earlier ‘Touch’ user interface by having a richer set of underlying application programming interfaces (APIs). The launch has been accompanied by new application and admin mobile apps.
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How to Scale the Product Owner Role
The product owner role from Scrum is used to interface between the business and development. In larger organization with complex products and many decisions that need to be made, having this role filled in by one person is often not feasible. InfoQ did an interview with Timo Punkka about the role of the product owner, lean portfolio management, and customer collaboration.
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Release of BizTalk Services Signals “Cloud First” Transition for Microsoft Integration Platform
After a long incubation period, Microsoft released its cloud-based integration tool called Windows Azure BizTalk Services. While reiterating their commitment to their on-premises integration tools, Microsoft has said that it will push innovation to its cloud platform first.
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Microsoft Envisions One OS Running on Mobile Devices and Sensors
During a UBS Global Technology Conference held last week, Microsoft’s Julie Larson-Green, EVP Devices and Studios, discussed her company’s approach to today’s software market, providing insights especially into the mobile device operating systems space. We selected the most interesting fragments from the session’s transcript (HTML, DOCX).
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Streaming Big Data With Amazon Kinesis
Amazon recently announced Kinesis, a service that allows developers to stream large amounts of data from different sources and process it. The service is currently in limited preview.
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Amazon Web Services announces three new instance types
Amazon Web Services have announced three new instance types for its Elastic Compute Cloud (EC2) infrastructure as a service. I2 instances use solid state disk (SSD) to deliver high input/output performance, C3 instances tie each virtual CPU to a hardware hyper-thread for compute intensive workloads, and G2 instances offer Nvidia graphics processing units (GPUs) for 3D applications.
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Cascading 2.5 Supports Hadoop 2
New version of Cascading released this week incorporates Hadoop 2 support and includes Cascading Lingual - an open source project that provides a comprehensive ANSI SQL interface for accessing Hadoop-based data