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Methods and apparatuses for transferring data

  • US 7,191,242 B1
  • Filed: 06/22/2000
  • Issued: 03/13/2007
  • Est. Priority Date: 06/22/2000
  • Status: Expired due to Term
First Claim
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1. A method of producing a representation of a streaming media data at a caching proxy server, said method comprising:

  • transmitting a request for streaming media data to be delivered to said caching proxy server;

    transmitting a request for one or more Real-Time Protocol (“

    RTP”

    ) header extensions associated with said streaming media data, wherein each of said one or more RTP header extensions represents a type of related or unrelated data that is necessary for performing a particular transmission operation for a packet of said streaming media data;

    receiving said streaming media data and storing said streaming media data on a storage device which is capable of being controlled by said caching proxy server; and

    receiving said one or more RTP header extensions associated with said streaming media data, wherein each of said one or more RTP header extensions is a sub-extension in an extensible extended RTP header of the packet of said streaming media data, wherein the sub-extension has a sub-extension name code and data, wherein the sub-extension name code uniquely identifies and describes the type of the data in the sub-extension, and a sub-extension identification (ID) identifying the sub-extension within each RTP packet.

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