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Why Your Project May Not Be Ready for Microservices By @MeHeller | @DevOpsSummit #Microservices

What does “big enough” mean? It’s sometimes useful to argue by reductio ad absurdum

Why Your Project May Not Be Ready for Microservices
By Martin Heller

What does “big enough” mean? It’s sometimes useful to argue by reductio ad absurdum. Hello, world doesn’t need to be broken down into smaller services. At the other extreme, building a monolithic enterprise resource planning (ERP) system is just asking for trouble: it’s too big, and it needs to be decomposed.

Is-your-project-suitable-for-microservicesFind a balance

Where’s the middle ground? It depends. You want fine-grained units of execution that do one thing really well, according to Jason Bloomberg, and he cites one of Sam Newman’s rules of thumb for the meaning of “fine-grained, “cited in his book, Building Microservices: Designing Fine-Grained Systems—small enough to be managed by a single team.

Bloomberg also suggests looking at services through parsimony. If a service looks cohesive and deals only with a single concern, then it’s probably small enough. If, on the other hand, you look at a service interface and see a number of different concerns being combined, perhaps it’s a candidate for further decomposition. At the other end of the spectrum, if the service doesn’t do enough to feel useful, perhaps you overdid the decomposition and need to combine it with a related service. It’s very much like the game of “find the objects” that people played when designing object-oriented software 25 years ago, but now the objects are services, not classes.

Read the entire article at http://techbeacon.com/why-your-project-may-not-be-ready-microservices.

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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