The representation of a peer in a Network to whom at least
one established connection exists. There may also be additional ongoing
dialing attempts to the peer.
A DialingAttempt is an ongoing outgoing connection attempt to
a known / expected remote peer ID and a list of alternative addresses
to connect to, if the current connection attempt fails.
The representation of a peer to whom the Network has currently
neither an established connection, nor an ongoing dialing attempt
initiated by the local peer.