A method of communicating from a personal computer via an internet by way
of a service provider. The method includes transmitting, in a first frame
from the personal computer to the service provider, an indicator to
indicate one of a new bandwidth assignment and a default bandwidth
assignment, a personal computer transmission format, and a description of
personal computer capabilities. In a second frame, the service provider
transmits to the personal computer an acknowledgement of the new bandwidth
assignment when received and a service provider transmission format. In a
third frame, the service provider transmits to the personal computer
information according to the service provider transmission format and the
personal computer capabilities. In a fourth frame, the personal computer
transmits to the service provider information according to the personal
computer transmission format.