Method and apparatus providing media aggregation in a packet-switched network
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United States of America Patent
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Oct 25, 2011
Grant Date -
Oct 1, 2009
app pub date -
Jun 9, 2009
filing date -
Aug 18, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
Techniques are described for aggregating multiple media packets to improve end-to-end bandwidth efficiency. The techniques include using an RTP aggregation protocol that is not sensitive to packet loss to aggregate multiple media packets under a single header. According to the RTP aggregation protocol, the single header for an aggregated media packet comprises a version field, a zero field, a sequence number field and a trunk ID field. The single header encapsulates the aggregated payload, which is an aggregation of Real-Time Protocol (RTP) segments. An RTP segment either has a compressed format or an uncompressed format. The uncompressed RTP segment includes the complete uncompressed RTP packet copied from the original User Datagram Protocol (UDP) packet. The compressed RTP segment includes the payload of the original RTP rather than the complete original RTP packet.
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