CU-SeeMe
CU-SeeMe
(communications)CU-SeeMe allows for direct audiovisual connections betweenclients, or, like irc, it can support multi-userconverencing via servers (here called "reflectors") todistribute the video and audio signals between multipleclients.
CU-SeeMe was the first videoconferencing tool available at areasonable price (in this case, free) to users of personalcomputers.
http://cu-seeme.cornell.edu/.
http://home.stlnet.com/~hubble/cuseeme/index.html.
Compare with multicast backbone.