depuis Free Pro il y a aussi des différences.
en IPv6 c'est tres variable (de 100 Mbps a 1Gbps mais le plus souvent autour de 120Mbps), en IPv4 stable (autour de 1 Gbps ou au dela).
donc un ratio x10.
et si on lance les 2 meme temps:
./nspeed_linux_amd64 get -4 https://steamdeck-images.steamos.cloud/recovery/steamdeck-recovery-1.img.bz2 get -6 https://steamdeck-images.steamos.cloud/recovery/steamdeck-recovery-1.img.bz2
Jobs:
0 HTTP client {Method: GET, URL: "https://steamdeck-images.steamos.cloud/recovery/steamdeck-recovery-1.img.bz2", IPversion: 4, Address: , Group: 0, timeout: 8s, delay: 0s, h2c: false, http1.1:false}}
1 HTTP client {Method: GET, URL: "https://steamdeck-images.steamos.cloud/recovery/steamdeck-recovery-1.img.bz2", IPversion: 6, Address: , Group: 1, timeout: 8s, delay: 0s, h2c: false, http1.1:false}}
6:42PM | WARN | all jobs ended:
Job| Read speed| Write speed| Time| Bytes read| Bytes written|command
Job 0| 1.1 Gbps| 0 bps| 7.99| 1.1 GB| 0 B|get https://steamdeck-images.steamos.cloud/recovery/steamdeck-recovery-1.img.bz2 (104.123.50.170:443 - 3.422 ms)
Job 1| 136.0 Mbps| 0 bps| 7.96| 135.3 MB| 0 B|get https://steamdeck-images.steamos.cloud/recovery/steamdeck-recovery-1.img.bz2 ([2a02:26f0:105::216:1652]:443 - 3.396 ms)
Total| 1.2 Gbps| 0 bps| 7.99| 1.2 GB| 0 B|
en regardant avec traceroute on voit que JN (FreePro) peer directement avec ce noeud Akamai en IPv4 mais transit par Level3 en IPv6.