  Serverless computing is a growing and maturing field that is the focus of
much research, industry interest and adoption. Previous works exploring
Functions-as-a-Service providers have focused primarily on the most well known
providers AWS Lambda, Google Cloud Functions and Microsoft Azure Functions
without exploring other providers in similar detail. In this work, we conduct
the first detailed review of ten currently publicly available FaaS platforms
exploring everything from their history, to their features and pricing to where
they sit within the overall public FaaS landscape, before making a number of
observations as to the state of the FaaS.
