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What Is “Micro” About a Microservice? | @DevOpsSummit #DevOps #Docker #Containers #Microservices

Microservices are fine-grained units of execution. They are designed to do one thing very well.

One of the hottest new terms in the world of enterprise computing is the microservice. Starting with the seminal 2014 article by James Lewis and Martin Fowler of ThoughtWorks, microservices have taken on a life of their own – and as with any other overhyped term, they have generated their fair share of confusion as well.

perspectivesPerhaps the best definition of microservices comes from Janakiram MSV, Principal at Janakiram & Associates. “Microservices are fine-grained units of execution. They are designed to do one thing very well,” according to Janakiram. “They contain everything from the operating system, platform, framework, runtime and dependencies, packaged as one unit of execution.” As a result, “a microservice architecture promotes developing and deploying applications composed of independent, autonomous, modular, self-contained units.”

And yet, the above definition leaves us with yet another question: what does it mean for a unit of execution to be fine-grained? The obvious answer is small, as in micro, the prefix that gave microservices their name. But does this notion hold water?

Read the entire article at http://www.slideshare.net/PaulSpeers1/devops-perspectives-edition-3, page 20.

Read the original blog entry...

More Stories By Jason Bloomberg

Jason Bloomberg is a leading IT industry analyst, Forbes contributor, keynote speaker, and globally recognized expert on multiple disruptive trends in enterprise technology and digital transformation. He is ranked #5 on Onalytica’s list of top Digital Transformation influencers for 2018 and #15 on Jax’s list of top DevOps influencers for 2017, the only person to appear on both lists.

As founder and president of Agile Digital Transformation analyst firm Intellyx, he advises, writes, and speaks on a diverse set of topics, including digital transformation, artificial intelligence, cloud computing, devops, big data/analytics, cybersecurity, blockchain/bitcoin/cryptocurrency, no-code/low-code platforms and tools, organizational transformation, internet of things, enterprise architecture, SD-WAN/SDX, mainframes, hybrid IT, and legacy transformation, among other topics.

Mr. Bloomberg’s articles in Forbes are often viewed by more than 100,000 readers. During his career, he has published over 1,200 articles (over 200 for Forbes alone), spoken at over 400 conferences and webinars, and he has been quoted in the press and blogosphere over 2,000 times.

Mr. Bloomberg is the author or coauthor of four books: The Agile Architecture Revolution (Wiley, 2013), Service Orient or Be Doomed! How Service Orientation Will Change Your Business (Wiley, 2006), XML and Web Services Unleashed (SAMS Publishing, 2002), and Web Page Scripting Techniques (Hayden Books, 1996). His next book, Agile Digital Transformation, is due within the next year.

At SOA-focused industry analyst firm ZapThink from 2001 to 2013, Mr. Bloomberg created and delivered the Licensed ZapThink Architect (LZA) Service-Oriented Architecture (SOA) course and associated credential, certifying over 1,700 professionals worldwide. He is one of the original Managing Partners of ZapThink LLC, which was acquired by Dovel Technologies in 2011.

Prior to ZapThink, Mr. Bloomberg built a diverse background in eBusiness technology management and industry analysis, including serving as a senior analyst in IDC’s eBusiness Advisory group, as well as holding eBusiness management positions at USWeb/CKS (later marchFIRST) and WaveBend Solutions (now Hitachi Consulting), and several software and web development positions.

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