[lacnog] Google DNS from South America

Alex Ojeda alex en chilenetworks.com
Vie Oct 11 09:51:59 BRT 2013


>From Santiago, Chile

Level3:

1 64.76.142.245 [AS 3549] 0 msec 0 msec 4 msec
  2 te4-4-10G.asr1.SCL1.gblx.net (67.17.107.190) [AS 3549] 0 msec 0 msec
    po2.ar3.SCL1.gblx.net (67.16.144.114) [AS 3549] 0 msec
  3 72.14.216.105 [AS 3549] 0 msec 0 msec 0 msec
  4 72.14.232.88 [AS 3549] 0 msec
    72.14.232.86 [AS 3549] 0 msec
    72.14.232.88 [AS 3549] 0 msec
  5 209.85.244.84 [AS 3549] [MPLS: Label 524632 Exp 4] 128 msec
    209.85.244.82 [AS 3549] [MPLS: Label 541175 Exp 4] 136 msec
    209.85.244.84 [AS 3549] [MPLS: Label 521112 Exp 4] 140 msec
  6 72.14.236.148 [AS 3549] [MPLS: Label 26256 Exp 4] 120 msec
    72.14.236.152 [AS 3549] [MPLS: Label 19390 Exp 4] 140 msec 136 msec
  7 72.14.235.10 [AS 3549] [MPLS: Label 8754 Exp 4] 140 msec 128 msec 128 msec
  8 72.14.234.55 [AS 3549] 124 msec 140 msec 140 msec
  9  *  *  *
 10 google-public-dns-a.google.com (8.8.8.8) [AS 3549] 148 msec 148 msec 136 msec


Claro:

1 10.99.180.1 [AS 10778] 0 msec 0 msec 4 msec
  2 10.107.200.2 [AS 10778] 4 msec 4 msec 0 msec
  3 172.18.26.249 [AS 10778] 4 msec 0 msec 0 msec
  4 190.208.9.9 [AS 10778] 0 msec 0 msec 0 msec
  5 190.208.9.58 [AS 10778] 8 msec 4 msec 4 msec
  6 72.14.232.88 [AS 10778] 4 msec 4 msec 4 msec
  7 209.85.244.84 [AS 10778] 124 msec
    209.85.244.82 [AS 10778] 144 msec
    209.85.244.84 [AS 10778] 132 msec
  8 72.14.236.152 [AS 10778] 132 msec
    72.14.236.148 [AS 10778] 124 msec
    72.14.236.152 [AS 10778] 132 msec
  9 66.249.95.229 [AS 10778] 140 msec 140 msec
    72.14.235.10 [AS 10778] 128 msec
10 72.14.234.55 [AS 10778] 128 msec
    72.14.234.53 [AS 10778] 128 msec 128 msec
11  *  *  *
 12 8.8.8.8 [AS 10778] 140 msec 140 msec 176 msec








Alex Matias Ojeda Mercado
NOG Chile



De: lacnog-bounces en lacnic.net [mailto:lacnog-bounces en lacnic.net] En nombre de Ivan Chapero
Enviado el: jueves, 10 de octubre de 2013 16:13
Para: Latin America and Caribbean Region Network Operators Group
Asunto: Re: [lacnog] Google DNS from South America

We have the same degradation of RTT here (Argentina). This traceroute is a direct peering to Google in NAP-CABASE!!!

 # ADDRESS                          LOSS SENT    LAST     AVG    BEST   WORST STD-DEV STATUS
 1 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx   0%   26   0.1ms     0.1     0.1     0.3       0
 2 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx  88%   26 timeout     0.9     0.9     0.9       0
 3 200.0.17.203                       0%   25   5.1ms     6.6       5    40.9       7
 4 209.85.251.84                      0%   25   5.2ms     8.8       5    63.4    12.3
 5 216.239.43.86                      0%   25  74.4ms    48.7    26.4    76.6    15.1 <MPLS:L=729232,E=4>
 6 209.85.244.82                      0%   25   144ms   146.7   141.8   178.3    10.4 <MPLS:L=603078,E=4>
 7 72.14.236.148                      0%   25 152.6ms   153.4   152.6   165.9     2.6 <MPLS:L=5501,E=4>
 8 72.14.235.10                       0%   25 179.6ms   180.3   179.4   189.8     2.2 <MPLS:L=8889,E=4>
 9 72.14.234.67                       0%   25 172.4ms     174   172.3   193.9     4.3
10                                  100%   25 timeout
11 google-public-dns-a.google.com<http://google-public-dns-a.google.com>     0%   25 149.6ms   149.8   149.5   150.8     0.3



Previously was around 40ms

2013/10/10 Claudio Hidalgo <chidalgo en nic.cl<mailto:chidalgo en nic.cl>>

El 10-10-2013, a las 12:14, Doug Madory <dmadory en renesys.com<mailto:dmadory en renesys.com>> escribió:

> We have noticed a change in the latencies to Google's public DNS services (8.8.8.8 and 8.8.4.4) coming from locations in South America starting mid-September:
>
> http://www.renesys.com/2013/10/internet-paths-matter-performance/
>
> Have any of the members of the LACNOC community noticed this change?
>From Chile got ~120-150ms from a traceroute (10 hops)

A direct DNS query with dig got me between ~125ms & ~250ms (no cache?)


--
Claudio Hidalgo
NIC Chile - Universidad de Chile
www.nic.cl<http://www.nic.cl>

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--
Ivan Chapero
Área Técnica y Soporte
Fijo: 03464-470280 (interno 535) | Móvil:  03464-155-20282  | Skype ID: ivanchapero
--
Go Banda Ancha - CABLETEL S.A. | Av. 9 de Julio 1163 - 2183 - Arequito - Santa Fe - Argentina

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