InfoQ Homepage Architecture & Design Content on InfoQ
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Agile Sailors - A Journey from a Monolithic Approach to Microservices
Over the last couple of years eSailors IT solutions has implemented big technological and organisational changes: from functional silos to cross-functional teams, from a work flow that looked like an assembly line to dynamic loops, from a monolithic platform to microservices, from hierarchical command-and-control to leadership as a team sport. This article provides a summary of their journey.
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Q&A with the Author on "Designing the Requirements”, an Alternative Approach
In the book “Designing the Requirements: Building Applications that the User Wants and Needs”, the author Chris Britton proposes an alternative path that goes from understanding the requirements to deliver spot on solutions.
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But is it Safe?
While it is rare to hear the question, "Is this software safe?", the safety aspects of software are becoming increasingly important. The proliferation of IoT devices increases the widespread impact a small problem can cause. Several techniques exist to help developers analyze and improve the safety of software they create.
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How Ousta Simulates Rides within a Two-Minute Test Cycle
Egyptian ride hailing provider Ousta has two mobile apps which interact with an event driven architecture using microservices. The combination of EDA and microservices facilitated a simulation system for automation, and a rapid development and testing cycle.
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The Three Generations of AWS
When building a new system on AWS we are faced with three architectural choices around application packaging, runtime service and load balancing service. This article looks at these three options, and concludes that the Amazon EC2 Container Service provides the best architectural option for today's applications.
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Testing RxJava
You are ready to explore reactive opportunities in your code but you are wondering how to test out the reactive idiom in your codebase. In this article Java Champion Andres Almiray provides techniques and tools for testing RxJava.
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The SAM Pattern: Lessons Learned Building Functional Reactive Front-End Architectures
Modern User Experience requires an architecture that is able to continuously “react” not just to user inputs, but also to its broader environment. In this article, Jean-Jacques Dubray and Gunar C. Gessner talk about the lessons learned implementing the SAM pattern with different frameworks and libraries.
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Peter Cnudde on How Yahoo Uses Hadoop, Deep Learning and Big Data Platform
Yahoo uses Hadoop for different use cases in big data & machine learning areas. They also use deep learning techniques in their products like Flickr. InfoQ spoke with Peter Cnudde on how Yahoo leverages big data platform technologies.
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A Quick Primer on Isolation Levels and Dirty Reads
Recently MongoDB found itself at the top of Reddit again when developer David Glasser learned the hard way that MongoDB performs dirty reads by default. In this article we will explain what isolation levels and dirty reads are and how they are implemented in popular databases.
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Java 9, OSGi and the Future of Modularity (Part 2)
The flagship feature of Java 9 will be the new Java Platform Module System (JPMS). Given the maturity of OSGi there were technical, political and commercial reasons why another Java module system will soon exist. In this article we compare the two from a technical perspective and see how JPMS and OSGi can work together.
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Developing Transactional Microservices Using Aggregates, Event Sourcing and CQRS - Part 1
Developing transactional business applications using the microservice architecture is challenging, because domain models, transactions and queries are resistant to functional decomposition. This article describes a way to develop microservices that solves these problems by using Domain Driven Design, Event Sourcing and Command Query Responsibility Segregation (CQRS).
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An Open API Initiative Update
The Open API Initiative group is evolving what has become the de-facto standard API Description Format to produce a consistent and compatible format for describing APIs, allowing interoperation between tooling, systems, and runtime environments. Tony Tam, creator of the popular Swagger Specification is providing an update on the group activity.