Re: Packet loss and latency between Akamai and NTT in Miami

[Ben Cartwright-Cox via NANOG <nanog () nanog org>]

On the measurement that you provided the packet loss doesn't carry through
to the final hop, so surely it's more likely what you're looking at here is
control plane rate limiting rather than true packet loss?

See slide 33 onwards on
https://archive.nanog.org/sites/default/files/10_Roisman_Traceroute.pdf




On Fri, May 17, 2024, 18:42 Carlos Martinez-Cagnazzo <carlosm3011 () gmail com>
wrote:

> Any contacts with either Akamai or NTT here ?
>
> This is kind of important as this is affecting three of our RPKI
> publication servers (servers which I have de-priorized in Route53 to
> prevent any issues for RPs)
>
> I have a ticket open with Akamai but I'm not directly an NTT customer
> so any help is appreciated.
>
> A sample MTR report, see between hops 7 and 8. Funnily enough this is
> periodic and has a cycle of between 15 and 25 minutes.
>
> %% START MTR TCP IPV4 en 20240517-16:10
> Start: 2024-05-17T16:10:01+0000
> HOST: rpki-fe-45-79-203-193.rrdp. Loss%   Snt   Last   Avg  Best  Wrst
> StDev
>   1.|-- 10.204.6.21                0.0%    20    0.5   0.2   0.1   0.5
>  0.1
>   2.|-- 10.204.35.59               0.0%    20    0.3   0.3   0.2   0.6
>  0.1
>         10.204.35.60
>   3.|-- 10.204.64.38               0.0%    20    0.3   0.3   0.2   0.6
>  0.1
>         10.204.64.37
>   4.|-- lo0-0.gw3.atl1.us.linode.  0.0%    20   19.9   4.1   0.4  19.9
>  6.1
>         lo0-0.gw4.atl1.us.linode.com
>   5.|-- ae45.r12.atl01.ien.netarc  0.0%    20    0.5   0.5   0.4   0.7
>  0.1
>         ae48.r11.atl01.ien.netarch.akamai.com
>   6.|-- ae-41.a03.atlnga05.us.bb.  0.0%    20    5.2   2.3   0.4  14.8
>  3.7
>         ae0.r11.atl01.ien.netarch.akamai.com
>   7.|-- ae-41.a03.atlnga05.us.bb.  0.0%    20    3.3  11.4   0.9  38.5
> 11.0
>         ae-2.r25.atlnga05.us.bb.gin.ntt.net
>   8.|-- ae-1.r22.miamfl02.us.bb.g 20.0%    20  7271. 1816.   0.8 7271.
> 3236.6
>         ae-2.r25.atlnga05.us.bb.gin.ntt.net
>   9.|-- ae-1.r22.miamfl02.us.bb.g  5.0%    20  7201. 1684.  13.3 7256.
> 2970.2
>         ae-0.r23.miamfl02.us.bb.gin.ntt.net
>  10.|-- ae-11.a00.saplbr02.br.bb.  0.0%    20  123.2 206.8  13.1 3035.
> 667.7
>         ae-0.r23.miamfl02.us.bb.gin.ntt.net
>  11.|-- ae1-1326.gw1.nu.registro.  0.0%    20  129.2 125.2 116.7 139.5
>  5.8
>         ae-11.a00.saplbr02.br.bb.gin.ntt.net
>  12.|-- xe-0-1-2-0.core1.nu.regis  0.0%    20  117.9 174.0 117.6 1133.
> 225.9
>         ae1-1326.gw1.nu.registro.br
>
> Thanks
>
> Carlos
>
> --
> --
> =========================
> Carlos M. Martinez-Cagnazzo
> http://cagnazzo.me
> =========================