Following Conference Protocols

October 1997 / Eval / A New MeetingPoint for Videoconferencing / Following Conference Protocols

CU-SeeMe clients connect to MeetingPoint via a single port, first using TCP to determine information about active conferences and then switching to a single UDP port to send all conference data: video, audio, and chat. Each UDP packet contains information in the header that describes which user sent the packet. By contrast, H.323 c lients such as NetMeeting receive five UDP ports during the initial TCP connection sequence, using correspondingly more server resources to maintain the connec tion.

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Matthew Wilson
My approach to software engineering is far more pragmatic than it is theoretical--and no language better exemplifies this than C++.

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