Traceback packet transport protocol
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United States of America Patent
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May 21, 2013
Grant Date -
Aug 16, 2012
app pub date -
Oct 21, 2011
filing date -
Feb 16, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
Tokens identifying all of the physical routing devices, i.e., network nodes, through which a packet travels are recorded in a limited amount of space reserved in the header of the packet for such tokens. When insufficient space remains in the header of the packet for all tokens required to identify all physical routing devices through which the packet travels, sequences of multiple tokens are replaced with an abbreviation token representing the sequence. The sequence of tokens represented by an abbreviation token can also be abbreviation tokens, supporting recursive abbreviation of the token sequence in the header of the packet as needed to record the entire route of the packet through the network regardless of the limited space in the header for tracking the route of the packet.
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