[lacnog] Google DNS from South America
Christian O'Flaherty
christian.oflaherty en gmail.com
Vie Oct 11 16:22:07 BRT 2013
En el mes de Septiembre fue cuando el gobierno de Brasil pidió mover
algunos servicios a Brasil para estar bajo su jurisdicción.
http://tecnologia.uol.com.br/noticias/reuters/2013/09/12/dilma-mira-empresas-de-internet-apos-espionagem-dos-eua.htm
Esto fue exactamente lo contrario (el 8.8.8.8 que estaba en Brasil
dejó de atender). Tendrá alguna relación?
Christian
On Fri, Oct 11, 2013 at 4:27 PM, Raul Alberto Jager Weiler
<raul.jager en gmail.com> wrote:
> Desde una AS/400 en Paraguay:
>
> ping '8.8.8.8'
> Verificando la conexión con el sistema principal 8.8.8.8.
> La respuesta PING 1 procedente de 8.8.8.8 tardó 191 ms. con 256 bytes. TTL
> 41.
> La respuesta PING 2 procedente de 8.8.8.8 tardó 189 ms. con 256 bytes. TTL
> 41.
> La respuesta PING 3 procedente de 8.8.8.8 tardó 189 ms. con 256 bytes. TTL
> 42.
> La respuesta PING 4 procedente de 8.8.8.8 tardó 177 ms. con 256 bytes. TTL
> 41.
> La respuesta PING 5 procedente de 8.8.8.8 tardó 179 ms. con 256 bytes. TTL
> 42.
> Tiempo ida y vuelta (en milisegundos) mín/med/máx = 177/185/191.
> Estadísticas de verificación de conexión: 5 satisfactorias de 5 intentos
>
>
>
> On Fri, Oct 11, 2013 at 2:47 PM, Carlos M. Martinez <carlosm3011 en gmail.com>
> wrote:
>>
>> I've configured a cacti ping probe on 8.8.8.8 and 8.8.4.4, just to see
>> how it evolves. If I see something interesting from my vantage point (AS
>> 28000), I'll post.
>>
>> cheers!
>>
>> ~Carlos
>>
>> On 10/11/13 3:12 PM, Doug Madory wrote:
>> > Here's a before/after to 8.8.8.8 from Rio. As with all of the cases in
>> > South America we have seen, the traceroute reaches Google's local network
>> > and then is re-routed internally back to the US. In the case below, the same
>> > Google IP in Brazil is traversed both before and after (209.85.254.136).
>> >
>> > Before:
>> >
>> > 0 x -1 ms
>> > 1 x 4.181 ms
>> > 2 209.197.0.214 ve427.r1.mi.hwng.net 7.857 ms Highwinds
>> > Network Group, Inc.
>> > 3 187.16.218.58 as15169-s2.sp.ptt.br 9.057 ms Núcleo de
>> > Inf. e Coord. do Ponto BR - NIC.BR
>> > 4 209.85.254.136 9.699 ms Google Inc.
>> > 5 72.14.233.89 9.744 ms Google Inc.
>> > 6 64.233.175.18 9.906 ms Google Inc.
>> > 7 8.8.8.8 google-public-dns-a.google.com 10.283 ms Google
>> > Incorporated
>> >
>> > After:
>> >
>> > 0 x -1 ms
>> > 1 x 5.527 ms
>> > 2 209.197.0.214 ve427.r1.mi.hwng.net 17.72 ms Highwinds
>> > Network Group, Inc.
>> > 3 187.16.218.58 as15169-s2.sp.ptt.br 13.985 ms Núcleo de
>> > Inf. e Coord. do Ponto BR - NIC.BR
>> > 4 209.85.254.136 10.505 ms Google Inc.
>> > 5 72.14.236.174 20.456 ms Google Inc.
>> > 6 72.14.235.106 143.537 ms Google Inc.
>> > 7 209.85.252.96 178.19 ms Google Inc.
>> > 8 209.85.248.29 137.243 ms Google Inc.
>> > 9 8.8.8.8 google-public-dns-a.google.com 137.921 ms Google
>> > Incorporated
>> >
>> > Doug Madory
>> > 603-643-9300 x115
>> > Hanover, NH
>> > "The Internet Intelligence Authority"
>> >
>> > On Oct 10, 2013, at 2:28 PM, Doug Madory <dmadory en renesys.com> wrote:
>> >
>> >> We're not seeing this happen Mexico.
>> >>
>> >> I'll grab a couple before and after traceroutes from our data. In each
>> >> case, the traceroute gets to the local Google presence before it is directed
>> >> back to the US instead of hitting a local server as it did previously.
>> >>
>> >> Doug Madory
>> >> 603-643-9300 x115
>> >> Hanover, NH
>> >> "The Internet Intelligence Authority"
>> >>
>> >> On Oct 10, 2013, at 1:05 PM, Octavio Alvarez
>> >> <alvarezp en alvarezp.ods.org> wrote:
>> >>
>> >>> On 10/10/2013 08:14 AM, Doug Madory wrote:
>> >>>> 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?
>> >>>
>> >>> In Tijuana, Mexico I see it ok. Can you post a traceroute to it (or
>> >>> better, an mtr)?
>> >>>
>> >>
>> >
>> >
>> >
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