Communication of dynamic dependencies along media streams
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United States of America Patent
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Mar 20, 2001
Grant Date -
N/A
app pub date -
Dec 1, 1997
filing date -
Dec 1, 1997
priority date (Note) -
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Abstract
A method for communicating between a sender and a receiver a set of dependencies among a set of media streams in a data network. The method comprises the step of creating a payload data packet having a header and a set of stream descriptors, where the header has a required stream field. Each stream descriptor is uniquely associated with a media stream belonging to the set of media streams and has a connection field to provide a network address for its associated media stream. Each stream descriptor that is associated with a media stream having a dependency also has a dependency field. The method also comprises the steps of creating a control data packet having the payload data packet as a payload; setting the required stream field to a value indicative of a required set of media streams, the required set of media streams being a subset of the set of media streams; and setting the dependency fields to indicate the set of relationships.
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