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Streaming Architecture by Ellen Friedman, Ted Dunning

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Chapter 3. Streaming Architecture: Ideal Platform for Microservices

Over the last decade or so, there has been a strong movement toward a flexible style of building large systems that has lately been called microservices. This trend started earliest at innovative companies such as Google, and many aspects of microservices have since been reinvented at a variety of other companies. Now, among highly successful, fast-evolving companies that include Amazon, LinkedIn, and Netflix, the microservices approach has become more the rule than the exception, at least partly because companies who adopt this style of architecture move faster and compete better.

“Instead of a big monolithic application, where every change is centrally coordinated, the new Netflix app is a series of microservices, each of which can be changed independently.”1

Yevgeniy Sverdlik

The microservices idea is simple: larger systems should be built by decomposing their functions into relatively simple, single-purpose services that communicate via lightweight and simple techniques. Such services can be built and maintained by small, very efficient teams.

Why Microservices Matter

Microservices are an important trend in building huge systems, primarily because the weak coupling between microservices allows agility even in large organizations. Here’s how.

The evolution of the idea behind microservices started as a bit of a backlash against the complexity of service-oriented architecture (SOA) and the associated enterprise ...

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