interface for video conferencing

I. Interface for an initiator request

select from premade recipes/SLA?'s 

execution time: now or future date and duration

application: Netmeeting/VIC/RealServer
protocol: SIP/H.323/both/other

additional components: whiteboard, FTP, text chat

support multicast?

diffserv (transparent?)

desired data rate/percentage or guaranteed bandwidth to audio/video/other
	for sending and receiving. 

size(upper bound on joins), membership characteristics(anyone can join, invitation only)

transcoding capabilities/default video-audio format

storage(estimated capacity required = duration x highest data rate?), playback ability

registration in directory information/advertising


**response
	range of time available
	peak data rate available if cannot meet request
	group ID/entry point handles if successful


II. Interface for a member join
browse directory/schedule
enter specific Group ID
listen for invitations

if I am a high end machine - support end system multicast?

low bandwidth options
	- send receive audio only/video only - reduce frames/sec


** response
quality available

** accept

handle to entry point