Hanushevsky agreed that this is an environmental issue. Assumes control path does not carry large amounts of data. The PVR status may include large number of cartridge IDs. May need streamed data of client receives status in chunks. The other solution is to rely on the Data Path.
Intent is to encourage inter-operability.
Needs a single profile that is very specific about technologies. May have multiple profiles. Each profile can be very specific. Don't try to solve small object location until later. Cannot base anything in a standard on a non-public standard.