In the early days of Cloud computing, there was a really simple picture we would share to explain the Cloud Service Model, sometimes with a diagram like the pyramid above. I’m sure you’ve seen a version of it — a way of showing the different service types as a stack, highlighting the relationships between each. When I gave training for new associates beginning to use Cloud, the instruction would cover the different service layers, and the definition of each one would be spelled out.
Given the need to build custom servicing systems and leverage standard engineering patterns, the concept was great, but of the three service types, the PaaS market was slowest to develop, and without great success stories, harder to explain the value proposition to others.
Read the full article at: medium.com