Systems and methods of clustered sharing of compression histories
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United States of America Patent
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Mar 29, 2011
Grant Date -
Mar 5, 2009
app pub date -
Oct 16, 2008
filing date -
Mar 12, 2007
priority date (Note) -
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Abstract
Systems and methods of storing previously transmitted data and using it to reduce bandwidth usage and accelerate future communications are described. By using algorithms to identify long compression history matches, a network device may improve compression efficiently and speed. A network device may also use application specific parsing to improve the length and number of compression history matches. Further, by sharing compression histories, compression history indexes and caches across multiple devices, devices can utilize data previously transmitted to other devices to compress network traffic. Any combination of the systems and methods may be used to efficiently find long matches to stored data, synchronize the storage of previously sent data, and share previously sent data among one or more other devices.
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