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AWS Launches Application Load Balancer

by David Iffland on  Aug 15, 2016

Amazon Web Services has launched their new Application Load Balancer, an OSI Layer 7 balancer that can route traffic to different end-points depending a set of URL rules.

Experiences Working with Real World Distributed Systems

by Jan Stenberg on  Aug 07, 2016

We live in a distributed world, but that doesn’t mean we have to tackle every single problem that comes along with that. We only need to tackle those that really need to be solved; develop a sense of where value lies in your business and where it’s reasonable to take risks. This will make building distributed systems much easier, Camille Fournier claimed, when interviewed by Stefan Tilkov.

How and Why Etsy Moved to an API-First Architecture

by Thomas Betts on  Aug 02, 2016

At QCon New York 2016, Etsy software engineer Stefanie Schirmer told how her company successfully transitioned to an API-first architecture that supports multiple devices, addresses server-side performance problems, and was quickly adopted by development teams.

Azure Premium Messaging Service Reaches General Availability

by Kent Weare on  Jul 31, 2016

On July 15th, Microsoft announced the Azure Premium Messaging service has reached General Availability (GA). Premium Messaging targets customers who would like more predictable messaging performance. InfoQ reached out to Dan Rosanova, Principal Program Manager on the Azure Service Bus team for additional insight into this milestone.

Vaughn Vernon on Microservices and Domain-Driven Design

by Jan Stenberg on  Jul 31, 2016

Although a monolith can be modeled in a respectable way, often they are turned into a big ball of mud. This is caused by multiple domain models becoming entangled within the monolith, and in Vaughn Vernon's experience this can happen within a few weeks or months, he claimed in a presentation at the Scala Days conference earlier this year.

Using Models in Developing Software for Self-Driving Cars

by Ben Linders on  Jul 28, 2016

Models play an important role in developing software for autonomous systems like self-driving cars; they are used to simulate and verify behavior, document the system, and generate code. Jonathan Sprinkle explains how to model software used in autonomous systems, the benefits of modeling, using test data to validate the software that drives a car and techniques for writing reliable code.

Breaking a Monolithic API into Microservices at Uber

by Sergio De Simone on  Jul 22, 2016 1

In a recent blog post, Uber engineer Emily Reinhold described how they broke a monolithic API into a modular, flexible microservice architecture. She highlighted a few key design and architectural choices that were key to Uber’s migration effort.

WSO2 MSF4J Adds Support for Spring and Swagger

by Abel Avram on  Jul 22, 2016

WSO2 MSF4J 2.0 has added support for Spring, Swagger definition generation, ExceptionMapper and StreamingOutput.

Q&A on Akka.NET 1.1 with Aaron Stannard

by Pierre-Luc Maheu on  Jul 21, 2016

Akka.NET 1.1 was recently released, bringing new features and performance improvements. InfoQ reached out to Aaron Stannard, maintainer of Akka.net, to learn more about Akka.Streams and Akka.Cluster. Stannard also explains how the roadmap is planned with regards to the JVM implementation of Akka.

Microsoft REST API Guidelines Are Not RESTful

by Abel Avram on  Jul 21, 2016 10

Microsoft has published their guidance for creating “RESTful” APIs. Roy Fielding calls them HTTP APIs that have little to do with REST.

Don’t Version Your Web API

by Jan Stenberg on  Jul 20, 2016 1

Versioning of Web APIs by adding a version to the URI or using versioned media types does not work on the open web. What we rather need are contracts that evolve with the changes we need, Sebastien Lambla claimed in a recent presentation, describing ways of avoiding the need to version.

Java EE Vendors and the London JUG Announce New MicroProfile

by Abraham Marín Pérez on  Jul 15, 2016

During the last DevNation Conference, Red Hat, IBM, Tomitribe, Payara, and the London Java Community announced the creation of the MicroProfile, a new initiative to try and leverage Java EE technologies to create a vendor-neutral microservices framework. The goal is to have a first public version by September 2016, allowing developers to create portable microservices in Java more easily.

Design for Continuous Evolution: Immutable Model Is Key for Robustness

by Thomas Betts on  Jul 13, 2016

At QCon New York, Eric Brewer described how advancing from continuous delivery to fast and stable continuous evolution requires a discrete construction step to define an immutable model of the system. Brewer’s compute infrastructure design team uses Helm to construct and safely validate new deployment models, prior to attempting real deployment, although the concepts are technology agnostic.

Juval Löwy: Why Every Class Should Be a Service

by Thomas Betts on  Jul 01, 2016

Juval Löwy has pioneered a method of building service-oriented applications in which each class represents a service onto itself. While these applications may initially seem like 'class explosion', they are actually the product of a truly decomposed system; one that has been properly analyzed and designed. Juwal explains his intent and describes how development teams can improve from this process.

Stop Over-Engineering, Build What the Customer Really Needs

by Jan Stenberg on  Jun 25, 2016 3

After working with many different teams, Greg Young has found that they often are drastically over-engineeringing in their projects. Teams start to work on 9 month projects, but by thinking on the problem from another perspective they may be able to deliver 95% of the value in just a few weeks, Young claimed in his keynote at the recent DDD eXchange conference in London.

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