Things that you should know about new open source serverless platform: Fn by Denis Makogon


Was made by developers for developers because they care!


If you haven’t read my previous article “Demystifying Serverless Compute Manifesto”, i’d better go for it! Okay, Fn Project is a new star in serverless world open sourced by Oracle and made by the same team that started IronFunctions. Let’s be very skeptical here — is it a real serverless?

Demystifying Fn

At this particular moment i really want to see how it addresses all concepts of serverless (again, this is my own opinion):

  • functions are the unit of deployment and scaling — indeed, Fn defines two key resource types: app and route, where app is a placeholder for routes and each route represents a function.
  • underlying serverless infrastructure is not in control of users — Fn works on top of Docker and, so Fn is actually a FaaS (functions-as-a-service) and the user is capable of talking only to its API, but not underlying infrastructure.
  • function’s runtime is stateless — for each function Fn spins up a container, once the function is done the container is destroyed.
  • function scales with respect to number of requests. It can go hot (N requests to one function) or cold (one request — one function) — well, this is where Fn addresses cold and hot concepts in full, even more, hot mode allows to talk to a functions in two ways: HTTP and JSON. Read the complete article here.

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Technorati Tags: PaaS,Cloud,Middleware Update,WebLogic, WebLogic Community,Oracle,OPN,Jürgen Kress

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