Router Modem Signal Description
========================================================================
| Router initiates discovery,
| starts a timer, sends Peer
|-------Peer Discovery---->X Discovery Signal.
~ ~ ~ ~ ~ ~ ~ Router discovery timer expires
without receiving Peer Offer.
| Router sends another Peer
|-------Peer Discovery---------->| Discovery Signal.
|
| Modem receives Peer Discovery
| Signal.
|
| Modem sends Peer Offer with
|<--------Peer Offer-------------| Connection Point information.
:
: Router MAY cancel discovery timer
: and stop sending Peer Discovery
: Signals.