[caiu] Latencia no dns da Google alta novamente

henrique ahpsouza em gmail.com
Domingo Setembro 22 16:52:14 BRT 2013


Em Paulo Afonso-BA média de 229ms... muito alta.


2013/9/20 Raffaello Vaselli <raffav em msn.com>

> 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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-- 
*Antonio Henrique Pereira de Souza*
*Mestrando em Sistemas e Computação**
**MTCNA* - MikroTik Certified Network Associate
*CCNA* - Cisco Certified Network Associate
Bel. em Sistemas de Informação
Especialista em Redes de Computadores
(75) 9228-0201
skype - ahpsouza1


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