[caiu] Latencia no dns da Google alta novamente
Alexandre Pires Avilla [Dominioz Telecom]
ale.avilla em dominioz.com.br
Domingo Setembro 22 19:03:23 BRT 2013
Existe algum problema no anycast do Brasil, ou foi desativado.
Alguém sabe onde ele ficava?
Atenciosamente,
Alexandre Pires Avila
Network Engineer
Tecnologia e Conectividade
Dominioz Serviços de Telecomunicações
TargetNet - Banda Larga - www.targetnet.com.br
Vale Link - Acesso Dedicado - www.valelink.com.br
Dominioz - Hospedagem de sites - www.dominioz.com.br
Facebook: http://facebook.com/dominioz
Av. Dr. Jorge Tibiriça, 105
Centro
Pindamonhangaba/SP
Central de Atendimento: 0800 940 4975
Mobile: [12] 9745.9679
NOC: [12] 3645.4975
Powered by :-)
> Em 22/09/2013, às 17:26, Raffaello Vaselli <raffav em msn.com> escreveu:
>
> Ok, obrigado pelas informações
>
> Mais isso não justifica ou explica o fato que a latência aumentou
>
> --- Mensagem Original ---
>
> De: "Alexandre Pires Avilla [Dominioz Telecom]" <ale.avilla em dominioz.com.br>
> Enviado: 22 de setembro de 2013 17:01
> Para: "Lista das indisponibilidades da Internet brasileira" <caiu em eng.registro.br>
> Assunto: Re: [caiu] Latencia no dns da Google alta novamente
>
> Lista de locais e redes dos anycast do dns do google
>
> Google Public DNS servers are available worldwide.
> Here are the subnets from which Google Public DNS sends requests to authoritative nameservers, and their associated IATA airport codes:
> 64.233.162.0/24 gru
> 64.233.168.0/24 iad
> 74.125.16.0/24 tpe
> 74.125.17.0/24 bru
> 74.125.18.0/24 grq
> 74.125.19.0/24 mrn
> 74.125.176.0/24 mrn
> 74.125.178.0/24 atl
> 74.125.179.0/24 atl
> 74.125.180.0/24 ber
> 74.125.181.0/24 bru
> 74.125.182.0/24 cbf
> 74.125.183.0/24 cbf
> 74.125.184.0/24 chs
> 74.125.185.0/24 chs
> 74.125.186.0/24 dls
> 74.125.187.0/24 dls
> 74.125.188.0/24 dub
> 74.125.189.0/24 fra
> 74.125.191.0/24 hkg
> 173.194.96.0/24 dub
> 173.194.97.0/24 kul
> 173.194.98.0/24 lpp
> 173.194.99.0/24 tul
> 209.85.224.0/24 cbf
> 2404:6800:4001::/48 kul
> 2404:6800:4005::/48 hkg
> 2404:6800:4008::/48 tpe
> 2607:f8b0:4001::/48 cbf
> 2607:f8b0:4002::/48 atl
> 2607:f8b0:4003::/48 tul
> 2607:f8b0:4004::/48 iad
> 2607:f8b0:400c::/48 chs
> 2607:f8b0:400d::/48 mrn
> 2607:f8b0:400e::/48 dls
> 2800:3f0:4001::/48 gru
> 2a00:1450:4001::/48 fra
> 2a00:1450:4008::/48 ber
> 2a00:1450:400b::/48 dub
> 2a00:1450:400c::/48 bru
> 2a00:1450:4010::/48 lpp
> 2a00:1450:4013::/48 grq
> This list is subject to additions, modifications, and even reductions as we continue to deploy and support our service.
> O do brasil esta dentro da faixa do GRU
>
> Atenciosamente,
>
> Alexandre Pires Avila
> Network Engineer
> Tecnologia e Conectividade
> Dominioz Serviços de Telecomunicações
>
> TargetNet - Banda Larga - www.targetnet.com.br
> Vale Link - Acesso Dedicado - www.valelink.com.br
> Dominioz - Hospedagem de sites - www.dominioz.com.br
>
> Facebook: http://facebook.com/dominioz
>
> Av. Dr. Jorge Tibiriça, 105
> Centro
> Pindamonhangaba/SP
> Central de Atendimento: 0800 940 4975
> Mobile: [12] 9745.9679
> NOC: [12] 3645.4975
> Powered by :-)
>
>> Em 20/09/2013, às 18:31, "Raffaello Vaselli" <raffav em msn.com> escreveu:
>>
>> Prezados,
>>
>> Será que a google fez alguma alteração, ou e algum problemas de rotas no brasil
>> nessas ultimas semanas de setempro a latencia da google passou de +/- 25ms para 120-300ms
>>
>> Ping via Minha empresa
>> HOST SIZE TTL TIME STATUS
>> 8.8.8.8 56 43 138ms
>> 8.8.8.8 56 43 144ms
>> 8.8.8.8 56 43 137ms
>> 8.8.8.8 56 43 140ms
>> 8.8.8.8 56 43 140ms
>> 8.8.8.8 56 43 149ms
>> 8.8.8.8 56 43 136ms
>> 8.8.8.8 56 43 138ms
>> sent=8 received=8 packet-loss=0% min-rtt=136ms avg-rtt=140ms max-rtt=149ms
>>
>> traceroute via minha empresa
>> # ADDRESS RT1 RT2 RT3 STATUS
>> 1 177.38.98.65 2ms 1ms 1ms
>> 2 192.168.211.33 2ms 2ms 2ms
>> 3 192.168.211.9 3ms 3ms 4ms
>> 4 192.168.211.1 6ms 6ms 5ms
>> 5 192.168.210.1 7ms 6ms 9ms
>> 6 192.168.255.1 7ms 6ms 7ms
>> 7 177.129.9.9 7ms 7ms 9ms
>> 8 177.129.8.2 11ms 12ms 9ms
>> 9 187.16.218.58 21ms 19ms 22ms
>> 10 209.85.254.54 18ms 23ms 17ms
>> 11 72.14.238.218 34ms 26ms 75ms <MPLS:L=487211,E=4>
>> 12 72.14.233.250 130ms 128ms 143ms <MPLS:L=532017,E=4>
>> 13 209.85.252.98 142ms 139ms 139ms <MPLS:L=580299,E=4>
>> 14 209.85.243.254 155ms 157ms 155ms
>> 15 0.0.0.0 0ms 0ms 0ms
>> 16 8.8.8.8 142ms 158ms 138ms
>>
>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>> ping velox
>>
>> Pinging 8.8.8.8 with 32 bytes of data:
>> Reply from 8.8.8.8: bytes=32 time=176ms TTL=45
>> Reply from 8.8.8.8: bytes=32 time=183ms TTL=44
>> Reply from 8.8.8.8: bytes=32 time=162ms TTL=45
>> Reply from 8.8.8.8: bytes=32 time=152ms TTL=45
>>
>> Ping statistics for 8.8.8.8:
>> Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
>> Approximate round trip times in milli-seconds:
>> Minimum = 152ms, Maximum = 183ms, Average = 168ms
>>
>> tracert velox
>>
>> Tracing route to google [8.8.8.8]
>> over a maximum of 30 hops:
>>
>> 1 <1 ms <1 ms 1 ms 192.168.2.1
>> 2 * * * Request timed out.
>> 3 76 ms 57 ms 22 ms xe-6-0-2.545-bot-rj-rotn-j01.telemar.net.br [200
>> .149.112.78]
>> 4 39 ms 52 ms 31 ms so-9-3-0.0-gua-sp-rotn-j01.telemar.net.br [200.2
>> 23.45.142]
>> 5 70 ms 86 ms 54 ms 200164013077.user.veloxzone.com.br [200.164.13.7
>> 7]
>> 6 105 ms 97 ms 95 ms 72.14.197.249
>> 7 92 ms 52 ms 59 ms 209.85.254.54
>> 8 61 ms 82 ms 37 ms 72.14.236.174
>> 9 187 ms 146 ms 203 ms 72.14.233.250
>> 10 180 ms 200 ms 151 ms 209.85.252.96
>> 11 152 ms 181 ms 151 ms 209.85.243.254
>> 12 * * * Request timed out.
>> 13 201 ms 260 ms 172 ms google [8.8.8.8]
>>
>> Trace complete.
>>
>>
>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>> Ping pelo colocation no Terremark SP da minha empresa Vale lembrar que os testes que efetuava por aqui a latencia era uma media de 8ms
>>
>> Type escape sequence to abort.
>> Sending 5, 100-byte ICMP Echos to 8.8.8.8, timeout is 2 seconds:
>> !!!!!
>> Success rate is 100 percent (5/5), round-trip min/avg/max = 136/138/140 ms
>>
>> Traceroute pelo colocation no Terremark SP da minha empresa
>>
>> Tracing the route to google-public-dns-a.google.com (8.8.8.8)
>>
>> 1 201.94.147.130 4 msec 0 msec 4 msec
>> 2 as15169-s2.sp.ptt.br (187.16.218.58) 0 msec 0 msec 0 msec
>> 3 209.85.254.54 0 msec
>> 209.85.254.136 4 msec 4 msec
>> 4 72.14.238.218 12 msec
>> 72.14.236.174 12 msec
>> 72.14.238.218 8 msec
>> 5 72.14.235.106 112 msec 112 msec
>> 72.14.233.250 112 msec
>> 6 209.85.252.98 120 msec 124 msec
>> 209.85.252.96 120 msec
>> 7 209.85.248.29 128 msec
>> 209.85.248.31 136 msec
>> 209.85.243.254 120 msec
>> 8 * * *
>> 9 google-public-dns-a.google.com (8.8.8.8) 140 msec 140 msec 140 msec
>>
>>
>>
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