[uylug-varios] Adelantados en IPv6 y problema de latencia

[Luis Pablo Pérez]

2012/6/5 Eduardo Trápani <etrapani at unesco.org.uy>:
> $ tcptraceroute6 o-o.preferred.ANTEL-MVD1.v17.lscache3.c.youtube.com
> traceroute to o-o.preferred.ANTEL-MVD1.v17.lscache3.c.youtube.com
> (2800:3f0:4001:6::d) from 2001:1328::ca, port 80, from port 49704, 30
> hops max, 60 byte packets
>  1  2001:1328::c9 (2001:1328::c9)  75.661 ms  104.107 ms  39.312 ms

Ayer simplemente hice un forward sin prestar atención.... y claro me
vino un "tirón de orejas" :) :) :)
Es normal que tengas 75ms a tu primer hop ?

>  2  2800:a0:4:a0:c828:1216:c828:6211 (2800:a0:4:a0:c828:1216:c828:6211)
>  104.688 ms  39.347 ms  93.863 ms
>  3  2800:a0:4:1::c828:12e1 (2800:a0:4:1::c828:12e1)  40.376 ms  94.750
> ms  92.005 ms
>  4  ibr3agu1-l-1.antelv6.net.uy (2800:a0:4:1::2)  94.782 ms  93.452 ms
> 189.195 ms

190ms a Antel ?
Enlace puntualmente saturado o situación normal ?

>  5  2001:1498:1:200::100:55 (2001:1498:1:200::100:55)  324.799 ms
> 348.847 ms  267.781 ms
>  6  2001:1498:1::32:182 (2001:1498:1::32:182)  398.790 ms  286.074 ms
> 425.889 ms
>  7  2001:1498:1::32:246 (2001:1498:1::32:246)  269.519 ms  427.325 ms
> 454.874 ms
>  8  2001:1498:1:200::100:26 (2001:1498:1:200::100:26) 428.069 ms
> 462.456 ms  *
>  9  2001:4860::1:0:9ff (2001:4860::1:0:9ff)  456.082 ms  * 176.092 ms
> 10  * 2001:4860::1:0:13 (2001:4860::1:0:13)  321.420 ms  353.645 ms
> 11  2001:4860::3:0:26a5 (2001:4860::3:0:26a5)  321.971 ms  353.713 ms
> 325.542 ms
> 12  2001:4860:0:1::505 (2001:4860:0:1::505)  353.737 ms  326.296 ms
> 385.069 ms
> 13  2800:3f0:4001:6::d (2800:3f0:4001:6::d)  325.430 ms [open]  382.331
> ms  354.030 ms
>
> Para asentar mi queja ;), lo mismo sobre IPv4:
>
> $ tcptraceroute o-o.preferred.ANTEL-MVD1.v17.lscache3.c.youtube.com
> Tracing the path to o-o.preferred.ANTEL-MVD1.v17.lscache3.c.youtube.com
> (200.40.0.76) on TCP port 80 (www), 30 hops max
>  1  <deleted>
>  2  <deleted>
>  3  <deleted>
>  4  r15.rau.edu.uy (164.73.128.137)  16.186 ms  28.484 ms  55.490 ms
>  5  ubgp-seciu-ubgp.adinet.com.uy (200.40.126.150)  43.074 ms  40.244 ms
>  35.852 ms
>  6  ibb2cen1-3-5.antel.net.uy (200.40.17.45)  35.860 ms  39.679 ms
> 31.624 ms
>  7  ibb2agu1-1-2.antel.net.uy (200.40.16.69)  30.154 ms  19.031 ms
> 19.020 ms
>  8  iag2agu1-1-1.antel.net.uy (200.40.18.226)  19.693 ms  16.859 ms
> 16.256 ms
>  9  r200-40-0-76.antel.net.uy (200.40.0.76) [open]  15.912 ms  17.090 ms
>  31.620 ms