ISMA 2013 AIMS-5

1. Hurricane Sandy, as
seen by RIPE Atlas
emile.aben@ripe.net
AIMS 5
Friday, 8 February 13

2. 2500+ Hardware Probes Deployed
104 countries
1202 v4 ASes (2.8%)
402 v6 ASes (6.1%)
Emile Aben, AIMS5 2
Friday, 8 February 13

3. Measurements
• Ping(4/6)
• Traceroute(4/6)
• Towards “fixed” destinations:
– DNS root servers + RIPE Atlas infrastructure
• User Defined Measurements
Emile Aben, AIMS5 3
Friday, 8 February 13

4. RIPE Atlas Probes in
Affected Area
Friday, 8 February 13

5. Vantage Points in Affected Area
Sandy Landfall
RTT trends, dst: AS24940 (DE)
min( medianRTT(t)/minRTT , 2)
Emile Aben, AIMS5 5
Friday, 8 February 13

6. Path Flux
Friday, 8 February 13

7. Path Flux towards North American Targets
IPv4 Path Flux
400+
AS7296/CA,US
AS13/MD,US
AS27/MD,US
AS3356/CO,US
AS6453/QC,CA
Paths with IPs not seen in the prev 8 hrs
300
200
100
0
28/10 29/10 30/10 31/10 01/11 02/11 03/11 04/11 05/11 06/11
00:00 00:00 00:00 00:00 00:00 00:00 00:00 00:00 00:00 00:00
Time (UTC)
Emile Aben, AIMS5 7
Friday, 8 February 13

8. Path Flux towards EU Targets
IPv4 Path Flux
400+
AS24940/DE
AS3333/NL
Paths with IPs not seen in the prev 8 hrs
300
200
100
0
28/10 29/10 30/10 31/10 01/11 02/11 03/11 04/11 05/11 06/11
00:00 00:00 00:00 00:00 00:00 00:00 00:00 00:00 00:00 00:00
Time (UTC)
Emile Aben, AIMS5 8
Friday, 8 February 13

9. AS Path Flux (IPv4 paths)
AS Path Flux
100+
AS3333/NL
AS24940/DE
AS27/MD,US
AS13/MD,US
AS7296/CA,US
80
Paths with ASes not seen in prev 2 hrs
60
40
20
0
28/10 29/10 30/10 31/10 01/11 02/11 03/11 04/11 05/11 06/11
00:00 00:00 00:00 00:00 00:00 00:00 00:00 00:00 00:00 00:00
Time (UTC)
Emile Aben, AIMS5 9
Friday, 8 February 13

10. Path Flux (IPv6)
IPv6 Path Flux
100+
AS3333/NL
AS24940/DE
AS27/MD,US
AS13/MD,US
80 AS7296/CA,US
Paths with IPs not seen in the prev 8 hrs
60
40
20
0
28/10 29/10 30/10 31/10 01/11 02/11 03/11 04/11 05/11 06/11
00:00 00:00 00:00 00:00 00:00 00:00 00:00 00:00 00:00 00:00
Time (UTC)
Emile Aben, AIMS5 10
Friday, 8 February 13

11. New York-New York
Friday, 8 February 13

12. 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
Emile Aben, AIMS5 12
Friday, 8 February 13

13. Paths through NYC/ASH to ns.ripe.net
Emile Aben, AIMS5 13
Friday, 8 February 13

14. Compare pre/post Sandy Paths
dst: ns.ripe.net / AS3333 / NL
pre: 22:00 UTC vs. post: 09:00 UTC
Destination
Path moved away from NYC
Path kept going through NYC
Path started going through NYC
Path not through NYC
Emile Aben, AIMS5 14
Friday, 8 February 13

15. Compare pre/post Sandy paths
dst: d-root / AS27 / MD,US
pre: 22:00 UTC vs. post: 09:00 UTC
Emile Aben, AIMS5 15
Friday, 8 February 13

16. Effect On Latencies
Friday, 8 February 13

17. RTT US -> AS3333 (NL)
Emile Aben, AIMS5 17
Friday, 8 February 13

18. RTT US -> AS24970 (DE)
Emile Aben, AIMS5 18
Friday, 8 February 13

19. • 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
Emile Aben, AIMS5 19
Friday, 8 February 13

20. Questions?
https://labs.ripe.net/sandy-2012
Friday, 8 February 13