Methods and apparatus for controlling the transmission of...

Details Methods and apparatus for controlling the transmission of... Methods and apparatus for controlling the transmission of...

2005-06-21

2005-06-21

Eng, David Y. (Department: 2155)

Electrical computers and digital processing systems: multicomput

Computer-to-computer protocol implementing

Computer-to-computer data streaming

Reexamination Certificate

active

06910078

ABSTRACT:
Mechanisms and techniques provide a system that provides stream data to a client by monitoring operation of a stream control protocol such as RTSP associated with stream data transmitted between a client and a first stream server. The system detects a stream change event related to transmission of the stream data between the client and the first stream server and identifies a relative position within the stream data based on the operation of the stream control protocol. The system then establishes transmission of the stream data between the client and a second stream server starting at the relative position in the stream data. The system provides for mid-stream failover for the transmission of stream data such as real-time data with minimal perceptible loss of stream data by the client.

REFERENCES:
patent: 6259706 (2001-07-01), Shimada
patent: 6425001 (2002-07-01), Lo et al.
patent: 6430711 (2002-08-01), Sekizawa
patent: 6490641 (2002-12-01), Whetsel
patent: 6519223 (2003-02-01), Wager et al.
Network Working Group; H. Schulzrinne; Real Time Streaming Protocol (RTSP); http://www.ietf.org/rfc/rfc2326.txt; Oct. 15, 2001; 73 pages.

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