>> Its' interprocess communication is TCP based in general case
  > No, it is not. Only between machines is that true.

It is true for communication between two VMs on same machine, isn't it?

The general case includes same-VM processes, different VM processes and also different VMs on different machines.

  > Why are you rolling with "speaking a whole lot of BS based on ignorance" today?

TCP is unreliable: https://networkengineering.stackexchange.com/questions/55581...

That was acknowledged by Erlang's developers before 2012. I remember that ICFP 2012 presentation about Cloud Haskell mentioned that "Erlang 2.0" apparently acknowledged TCP unreliability and tried to work around.