For those that have been in the technology industry for some time, there is a tendency to compare or even equate the current microservices phenomenon with the more archaic Service Oriented Architecture (SOA) approach. This is done implicitly in many cases, but also quite explicitly with statements such as “microservices is nothing more than the new SOA” or “Amazon is the only company to get SOA right.”
This is unsurprising, because it’s rooted in fact. For all of its other faults, SOA was a vision of enterprises that looks remarkably like what progressive organizations are building today with cloud native architectures composed of, among other things, microservices. Stripped to its core, SOA was the idea that architectures should be composed of services rather than monolithic applications.
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