The host can remove the restrictor plate for the race if he so
chooses.
The multi-function display on the left side of the weekend screen can
be toggled to display the list of currently connected drivers. The
host is in control of session transitions.
Online play is very dependent on not only the quality of the host's
connection, but those connected to it as well. I was in a number of
races this evening that were near LAN quality with no apparent
warping, while others were worse.
Eric