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Presentation given by Daniel Karrenberg at various conferences in 2012

Presentation given by Daniel Karrenberg at various conferences in 2012

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k.root-servers.net k.root-servers.net Presentation Transcript

  • k.root-servers.netbyRIPE NCCDaniel KarrenbergChief Scientist, RIPE NCC
  • Who is talking: Daniel Karrenberg• 1980s: helped build Internet in Europe – GUUG, EUUG, EUnet, Ebone, IXes, RIPE, ...• 1990s: helped build RIPE NCC – 1st CEO: 1992-2000• 2000s: Chief Scientist & Public Service – Trustee of the Internet Society, IETF, ...• 2010s: Chief Scientist – Interests: Internet measurements, stability, trust & identity in the Internet, ...Daniel Karrenberg, 7 March 2012 2
  • What DNS Root Name Servers DoTell where are once everyDaniel Karrenberg, 7 March 2012 3
  • What DNS Root Name Servers DoDaniel Karrenberg, 7 March 2012 4
  • Attack Mitigation Diversity12 Professional Operators / 13 Independent Operations Daniel Karrenberg, 7 March 2012 5
  • DDoS Mitigation Over-provisioning: Not to scale !Daniel Karrenberg, 7 March 2012 6
  • DNS Root Name Server LocationsDaniel Karrenberg, 7 March 2012 7
  • DNS Root Name Server LocationsDaniel Karrenberg, 7 March 2012 8
  • Closest Root Server as seen by RIPE AtlasDaniel Karrenberg, 7 March 2012 9
  • Closest Root Server as seen by RIPE AtlasDaniel Karrenberg, 7 March 2012 10
  • k.root-servers.net: LocationsDaniel Karrenberg, 7 March 2012 11
  • k-root: Instance seen by RIPE AtlasDaniel Karrenberg, 7 March 2012 12
  • k-root: Instance seen by RIPE AtlasDaniel Karrenberg, 7 March 2012 13
  • k.root-servers.net: TLDs QueriedDaniel Karrenberg, 7 March 2012 14
  • k.root-servers.net: Query LoadDaniel Karrenberg, 7 March 2012 15
  • k.root-servers.net: Load DistributionDaniel Karrenberg, 7 March 2012 16
  • DDoS Mitigation Over-provisioning: Not to scale !Daniel Karrenberg, 7 March 2012 17
  • DDoS Mitigation• Cooperation with ISPsDaniel Karrenberg, 7 March 2012 18
  • DDoS Mitigation• Cooperation with ISPsDaniel Karrenberg, 7 March 2012 19
  • dnsmonDaniel Karrenberg, 7 March 2012 20
  • References• root-servers.org• k.root-servers.org• k.root-servers.org/visualk• atlas.ripe.net• dnsmon.ripe.net• www.isoc.org/briefings/019• www.isoc.org/briefings/020• labs.ripe.netDaniel Karrenberg, 7 March 2012 21
  • Questions?