Method and apparatus for tunneling data using a single simulated stateful TCP connection
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United States of America Patent
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Jun 24, 2008
Grant Date -
May 18, 2006
app pub date -
Nov 16, 2004
filing date -
Nov 16, 2004
priority date (Note) -
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Abstract
Methods and systems for tunneling data associated with a packet based multimedia communication standard are provided. The method includes intercepting a library call associated with the multimedia communication standard in a modified TCP/IP stack and registering identification data associated with the library call. A modified Transmission Control Protocol/Internet Protocol (TCP/IP) header is appended over a pre-existing header of a data packet related to the identification data. The method also provides for transmitting the data packet having the TCP/IP header through a firewall. The TCP/IP header includes a TCP SEQ number and a TCP ACK number to provide a stateful connection.
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