Video application server for mediating live video services
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jul 27, 1999
Issued Date -
N/A
app pub date -
Mar 8, 1996
filing date -
Jun 24, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus and method for use in a network including source clients and viewer clients connected to one or more shared transmission media. A video server is connected to one of the transmission media and is operative to control the broadcast and storage of multiple live or previously-stored video streams. The control may be provided via remote procedure call (RPC) commands transmitted between the server and the clients. In one embodiment, a video presentation system is provided in which a video stream from a source client is continuously broadcast to a number of viewer clients. One or more of the viewer clients may be authorized by the source client to broadcast an audio and/or video stream to the other clients receiving the source video stream. In another embodiment, a multicast directory is provided to each of a plurality of viewer clients by transmitting directory information in a packet corresponding to a predetermined multicast address. The multicast directory indicates to a particular viewer client which of a number of video programs are available for broadcast to that client.
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