Reverse engineering peering at internet exchange points
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United States of America Patent
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Jun 4, 2013
Grant Date -
Jun 9, 2011
app pub date -
Feb 14, 2011
filing date -
Nov 24, 2008
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Abstract
A technique for examining the relationships of autonomous systems (ASes) participating in an Internet Exchange Point (IXP) utilizes packet tracing servers proximate the IXPs. Where such packet tracing servers cannot be found in the participating ASes, the methodology identifies additional vantage points by looking at a list of ASes that are one hop away from the ASes at the IXP. The choice of one-hop away ASes is made judiciously by picking ones that have better connectivity, based on past-data. Plural-hop ASes may also be used where necessary.
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