| ConnectedPeer | 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. 
 | 
| DialingAttempt | 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. 
 | 
| DialingAttemptIter | An iterator over the ongoing dialing attempts to a peer. 
 | 
| DialingPeer | The representation of a peer in a Network to whom a dialing
attempt is ongoing. There may already exist other established
connections to this peer. 
 | 
| DisconnectedPeer | 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. 
 |