i.root-servers€¦ · i.root-servers.net analysis of query source and anycast patrik fältström...
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www.netnod.se
I.ROOT-SERVERS.NET
Analysis of Query Source and Anycast
Patrik FältströmHead of Research and DevelopmentNetnod
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What is Netnod, and what do we do?
By a foundation fully owned incorporation
Not for profit
Provides:
•IX in 6 locations
•DNS in 55 locations
•NTP-service in 4 locations
Göteborg
Malmö
Stockholm
Sundsvall
Luleå
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Netnod history
1992-1996 there was a distributed IX at Royal Institute of Technology
1996 the TU-foundation was created
Goal was increased robustness and security
The IX was moved to bunkers in the mountains
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Same structure in all locations
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Mountain bunkers
Regulator PTS provides colocation service
Specifically created for telecom
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Bergrum
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DNS services hosted all over the world
100k queries per second is what we do for breakfast
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Background
We did this investigation in 2012
The result was kind of scary…
•Highest number of queries to London was from Germany…
•In Oslo, there where queries from all over the place…
It was time to see whether it is better 2015
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i-root deployments
Most locations are at IX:es
A few inside Tier-1 providers
A few are where no IX exist
Global / Local distinction per peer (using no-export)
Most peers are local
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Peerings
About 8000 peers with more than 2000 AS:es
Include route servers at larger IX:es
We are always looking for more peers!
➡Yes, we do have an open peering policy
Email: [email protected]
Info: http://as8674.peeringdb.com
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Analysis of query src
Based on src IPv4 / IPv6 address
Looking at 10 largest AS:es per site
Economy represented based on RIR information
Based on snapshot in april 2015
Absolutely not 100% correct, but somewhat ok representation
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Some observations
Most nodes behave as expected
5.6% IPv6
1.5% RFC1918 addresses, which should not be there
•8.15% in Mumbai, 1.11% in Paris
Some IX:es see traffic from places far away, very odd routing
Nodes with a lot of transit get traffic from more diverse locations
Smaller (and national) IX:es have higher percentage of local traffic
Global eyeball providers are clearly visible at some IX:es
Result seems to be better today than 2012 14
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Amsterdam - AMX
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Other 59 %
PT 3 %
US 4 %
DK 5 %
NL 16 %
KZ 6 %
FR 8 %
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Amsterdam - AMX
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Other 59 %
PT 3 %
US 4 %
DK 5 %
NL 16 %
KZ 6 %
FR 8 %
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Amsterdam - AMX
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Other 59 %
PT 3 %
US 4 %
DK 5 %
NL 16 %
KZ 6 %
FR 8 %
Microsoft
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Ashburn - ASH
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Other 26 %
CA 1 % AR
1 % NL 1 % GB
2 % US 69 %
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Ashburn - ASH
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Other 26 %
1 %1 %1 %1 %1 %2 %
2 %3 %
5 %
GOOGLE 57 %
GOOGLE CABLE-NET EDGECAST BSKYB AMAZONKPN Telecom Argentina Comcast Cox Bell CanadaOther
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Ashburn - ASH
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Other 26 %
1 %1 %1 %1 %1 %2 %
2 %3 %
5 %
GOOGLE 57 %
GOOGLE CABLE-NET EDGECAST BSKYB AMAZONKPN Telecom Argentina Comcast Cox Bell CanadaOther
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Brussels - BNX
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Other 56 %
CA 2 %
DE 2 % TW
2 %
FR 10 %
US 15 %
BE 12 %
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Brussels - BNX
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Other 56 %
CA 2 %
DE 2 % TW
2 %
FR 10 %
US 15 %
BE 12 %
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Malmö/Copenhagen - CMX
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Other 6 %
SE 25 %
DK 69 %
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Ankara - ANK
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TR 100 %
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Beijing - BEI
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Other 2 %US 1 %
CN 97 %
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Tokyo - TPP
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Other 25 %
KR 8 %
JP 27 %
CN 19 %
TW 21 %
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Paris - PAR
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Other 11 %
GB 2 %
FR 87 %
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Paris - PAR
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RENATERCOMPLETELALTITUDETELECOMIP SLAFIRSTHEBERGRMI-FITECHEASYNETJUSSIEUPARISSUDCEG-HOSTINGOther
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Oslo - NIX
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EU 1 %CN 2 %SE 2 %
US 4 %
NO 88 %
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Oslo - NIX (IPv6)
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TH 2 %
NL 2 %
SE 3 %
EU 3 %CN
5 %
US 8 %
NO 74 %
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Oslo - NIX (IPv6)
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Oslo - NIX (IPv6) Without NO
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IPv6IPv4+IPv6
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Oslo - NIX (IPv6) Without NO - logarithmic y-axis
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IPv6IPv4+IPv6
