The Everything Feed - All Packet Pushers Pods

TNO027: Seeing the Internet With Doug Madory

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May 2, 2025
Doug Madory, the Director of Internet Analysis for Kentik, is a key figure in understanding internet trends and BGP security. He shares insights about the significance of connecting BGP knowledge with the community and highlights the impact of major political events on internet connectivity. Doug discusses the challenges of route hijacking and advocates for solutions like RPKI to bolster security. He delves into the blend of technical expertise and global awareness, emphasizing how personal experiences shape his unique insights in internet analysis.
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ANECDOTE

From QA to Internet Expert

  • Doug Madory started his internet career in 2009 as a data QA analyst at Renesys.
  • His curiosity and writing led him to uncover critical internet routing events and develop expertise in BGP.
ANECDOTE

Tracking Egypt's Internet Shutdown

  • During the 2011 Arab Spring, Doug helped document Egypt's complete internet shutdown by tracking BGP route withdrawals.
  • This event marked a turning point, positioning them as the leading source on internet shutdowns globally.
INSIGHT

BGP Analysis Requires Context

  • Effective BGP analysis requires maintaining state of AS path changes over time, not just counting route updates.
  • Understanding the behaviors and strategies of ASes improves insight into BGP anomalies and routing issues.
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