Depuis la Bretagne, ping de 70ms, loss de ~11%
$ ping i.redd.it
PING i.redd.it(2a04:4e42:54::396 (2a04:4e42:54::396)) 56 data bytes
64 bytes from 2a04:4e42:54::396 (2a04:4e42:54::396): icmp_seq=1 ttl=53 time=69.2 ms
64 bytes from 2a04:4e42:54::396 (2a04:4e42:54::396): icmp_seq=2 ttl=53 time=68.6 ms
64 bytes from 2a04:4e42:54::396 (2a04:4e42:54::396): icmp_seq=3 ttl=53 time=68.5 ms
64 bytes from 2a04:4e42:54::396 (2a04:4e42:54::396): icmp_seq=4 ttl=53 time=70.6 ms
64 bytes from 2a04:4e42:54::396 (2a04:4e42:54::396): icmp_seq=5 ttl=53 time=70.0 ms
[...]
--- i.redd.it ping statistics ---
381 packets transmitted, 337 received, 11.5486% packet loss, time 381175ms
rtt min/avg/max/mdev = 68.341/71.746/104.421/2.143 ms
C'est très probablement ce loss qui tue le débit.
$ mtr i.redd.it
Start: 2023-04-13T20:32:23+0200
HOST: bones Loss% Snt Last Avg Best Wrst StDev
1.|-- naxos (2a01:cb08:836f:9a08::1) 10.0% 10 1.1 9.0 1.1 25.4 11.3
2.|-- 2a01cb08a00402150193025300770055.ipv6.abo.wanadoo.fr (2a01:cb08:a004:215:193:253 0.0% 10 1.9 21.3 1.7 107.6 37.3
3.|-- 2a01:cfc4:0:400::b 0.0% 10 9.5 16.5 8.9 49.2 13.5
4.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
5.|-- bundle-ether302.martr1.marseille.opentransit.net (2001:688:0:2:8000::1b) 90.0% 10 38.4 38.4 38.4 38.4 0.0
6.|-- 2001:688:0:3:8::2cc 10.0% 10 19.1 29.4 18.6 70.7 17.3
7.|-- 2a04:4e42:54::396 0.0% 10 61.2 79.4 61.2 135.1 21.7
Vu le saut de latence entre les deux derniers sauts, i.redd.it n'est certainement pas servi par le PoP Fastly de Marseille. Je pense qu'on entre bien sur leur réseau par Marseille puis qu'on tape ensuite les US.