This is where d3 meets Tcp or UDP. The Network leans heavily upon Mio
to provide the foundation for interacting with the network. The d3 network provides
an additional abstraction to adapt it for d3 machines and encapsulate Mio.
Obtain the network’s sender. The returned sender is a clone,
that you are free to use, further clone, or drop. Tip: cache
the result and clone it when you need to send it.