Online Resources
DVC Product Survey (old, but good) - www3.ncsu.edu/dox/video/
IETF - www.ietf.cnri.reston.va.us
Bell Atlantic - www.brookwood.com/desktech.htm
AVT WG - www.cs.columbia.edu/~hgs/rtp/
Notes:
There are many more resources available on the Web. However, much of the information is becoming stale, is vapor ware, or otherwise in error and should be taken as advisory only.