Protection of data transmission network systems against buffer oversizing
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United States of America Patent
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Nov 15, 2011
Grant Date -
Oct 16, 2008
app pub date -
Oct 10, 2007
filing date -
Oct 10, 2006
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Abstract
A method of managing the allocation to TCP connections of memory blocks of a TCP re-assembly buffer in a TCP network device including a TCP Processing unit, comprises computing a function r(t) on a per connection basis, that measures the occupancy rate of the re-assembly buffer for the relevant TCP connection, and that is updated upon reception of any packet belonging to said TCP connection; and allowing the TCP connection to be closed and the corresponding memory blocks to be released based on a decision scheme that includes at least a first trigger set on the corresponding function r(t), which defines two different states for said function r(t).
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