I quite like the description they give in the docs[1], a brief summary: > Over the years dataflow has been one of those necessary evils in an architecture. [..

I quite like the description they give in the docs[1], a brief summary: > Over the years dataflow has been one of those necessary evils in an architecture. [...] NiFi is built to help tackle these modern dataflow challenges. [1]: http://nifi.apache.org/docs.html http://nifi.apache.org/docs.html