Network connectivity determination based on passive analysis of connection-oriented path information
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United States of America Patent
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Apr 17, 2012
Grant Date -
Aug 2, 2007
app pub date -
Feb 5, 2007
filing date -
Jan 31, 2006
priority date (Note) -
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Abstract
Passive analysis connection detection architecture that leverages connection-oriented end-to-end stack protocol information. In a TCP/IP implementation, by passively leveraging TCP information, a given system can determine in a more realtime fashion the connectivity state of a TCP pathway. Additionally, other passive information from the TCP/IP stack such as send/receive packet counts can be considered. Based on analysis of TCP path information and/or send/receive packet counts, loss of certain network connectivity can be inferred, which greatly improves the accuracy and responsiveness of detecting network connectivity losses. The disclosed architecture also facilitates improved performance when using proxy systems for network connectivity so as to reduce unnecessary network traffic and to route network systems to other online systems in a more efficient and effective manner.
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