출처 : https://m.oursky.com/saas-paas-and-iaas-explained-in-one-graphic-d56c3e6f4606
The Pizza-as-a-Service metaphor was firstly introduced by Albert Barron in 2014 as a visualization of the differences between Infrastructure-as-a-service (IaaS), Platform-as-a-service (PaaS) and Software-as-a-service (SaaS). At first sight it looks brilliant — but if you look in depth, it falls apart. This diagram wants to illustrate that you need to do less and less, but the items that are listed and increasingly “outsourced” don’t fit the comparison. I’ll look at the services in the original diagram and suggest a better comparison for people who want to choose which services to use.
Pizza as a Service
As technologists, we tend to live in a world of acronyms and terms quite common to those of us in the industry. But this abbreviated language can seem like a foreign language to those outside of it.
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