[erlang-questions] Distibuted-Erlang practical case studies / examples

[I Gusti Ngurah Oka Prinarjaya]

Hi,

I just learn about how to ping a remote erlang node,  call erlang program
in a remote erlang node by following this chapter
https://learnyousomeerlang.com/distribunomicon .

But, i can't imagine what kind of simple solution that i can build by
utilizing Erlang's distributed behavior / feature / ability.

Ok, first, i need some simple case studies utilizingg distributed behavior
/ ability from erlang.
Second, Why do we utilizing distributed behavior / ability of erlang? Or in
other words,
which is better? utilizing rpc:call() or call other service in other remote
node just through HTTP (REST maybe) ?

Thank you
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