Hurricane Sandy, as seen by RIPE Atlas - AIMS-5
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Transcript of Hurricane Sandy, as seen by RIPE Atlas - AIMS-5
Hurricane Sandy, as seen by RIPE [email protected] 5
Friday, 8 February 13
Emile Aben, AIMS5
2500+ Hardware Probes Deployed
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104 countries1202 v4 ASes (2.8%)402 v6 ASes (6.1%)
Friday, 8 February 13
Emile Aben, AIMS5
Measurements• Ping(4/6)• Traceroute(4/6)
• Towards “fixed” destinations:– DNS root servers + RIPE Atlas infrastructure
• User Defined Measurements
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Friday, 8 February 13
RIPE Atlas Probes in Affected Area
Friday, 8 February 13
Emile Aben, AIMS5
Vantage Points in Affected Area
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RTT trends, dst: AS24940 (DE)Sandy Landfall
min(
med
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minR
TT ,
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Friday, 8 February 13
Path Flux
Friday, 8 February 13
Emile Aben, AIMS5
Path Flux towards North American Targets
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IPv4 Path Flux
AS7296/CA,USAS13/MD,USAS27/MD,US
AS3356/CO,USAS6453/QC,CA
Friday, 8 February 13
Emile Aben, AIMS5
Path Flux towards EU Targets
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IPv4 Path Flux
AS24940/DEAS3333/NL
Friday, 8 February 13
Emile Aben, AIMS5
AS Path Flux (IPv4 paths)
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AS Path Flux
AS3333/NLAS24940/DEAS27/MD,USAS13/MD,US
AS7296/CA,US
Friday, 8 February 13
Emile Aben, AIMS5
Path Flux (IPv6)
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IPv6 Path Flux
AS3333/NLAS24940/DEAS27/MD,USAS13/MD,US
AS7296/CA,US
Friday, 8 February 13
New York-New York
Friday, 8 February 13
Emile Aben, AIMS5
New York - Global Internet Hub• New York City (NYC) is a major Internet
connectivity hub• Ashburn/Washington DC (ASH) is the other for
US-Europe traffic
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Friday, 8 February 13
Emile Aben, AIMS5
Paths through NYC/ASH to ns.ripe.net
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Friday, 8 February 13
Emile Aben, AIMS5
Compare pre/post Sandy Paths
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dst: ns.ripe.net / AS3333 / NLpre: 22:00 UTC vs. post: 09:00 UTC
DestinationPath moved away from NYCPath kept going through NYCPath started going through NYC
Path not through NYC
Friday, 8 February 13
Emile Aben, AIMS5
Compare pre/post Sandy paths
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dst: d-root / AS27 / MD,USpre: 22:00 UTC vs. post: 09:00 UTC
Friday, 8 February 13
Effect On Latencies
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Emile Aben, AIMS5
RTT US -> AS3333 (NL)
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Friday, 8 February 13
Emile Aben, AIMS5
RTT US -> AS24970 (DE)
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Friday, 8 February 13
Emile Aben, AIMS5
• Viz: Interactive maps / plots• What I want to get out of this:
– ideas on what the best targets would be for individual RIPE Atlas probes (given limited probing budget)
– compare notes to others who have Sandy data
• Data: Same as other RIPE Atlas Data
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Friday, 8 February 13
Questions?
https://labs.ripe.net/sandy-2012Friday, 8 February 13