Pour moi c'est le serveur d'Amsterdam qui pose le moins de problèmes, il peut y avoir du buffer de temps en temps, mais ça reste très rare et très court.
J'ai deux serveurs qui semblent envoyer le flux :
video-edge-49b358.cdg01.hls.ttvnw.net 185.42.204.38
video20.ams01.hls.ttvnw.net 185.42.204.170
Avec ma connexion ADSL Free, je suis au maximum de ma connexion (580 ko/s). En 4G Free, je buffer par moments à 1,5 Mo/s.
Bizarrement, le ping est élevé vers ces serveurs (en ADSL pourtant, 14 ms vers Paris) :
root@Server:~# hping3 -S -p 1935 185.42.204.38
HPING 185.42.204.38 (eth1 185.42.204.38): S set, 40 headers + 0 data bytes
len=46 ip=185.42.204.38 ttl=52 DF id=63922 sport=1935 flags=RA seq=0 win=0 rtt=68.6 ms
len=46 ip=185.42.204.38 ttl=52 DF id=64070 sport=1935 flags=RA seq=1 win=0 rtt=63.5 ms
len=46 ip=185.42.204.38 ttl=52 DF id=64254 sport=1935 flags=RA seq=2 win=0 rtt=63.5 ms
len=46 ip=185.42.204.38 ttl=52 DF id=64426 sport=1935 flags=RA seq=3 win=0 rtt=67.8 ms
len=46 ip=185.42.204.38 ttl=52 DF id=64623 sport=1935 flags=RA seq=4 win=0 rtt=66.7 ms
len=46 ip=185.42.204.38 ttl=52 DF id=64695 sport=1935 flags=RA seq=5 win=0 rtt=62.4 ms
--- 185.42.204.38 hping statistic ---
12 packets transmitted, 12 packets received, 0% packet loss
round-trip min/avg/max = 62.4/66.0/68.6 ms
root@Server:~# hping3 -S -p 1935 185.42.204.170
HPING 185.42.204.170 (eth1 185.42.204.170): S set, 40 headers + 0 data bytes
len=46 ip=185.42.204.170 ttl=51 DF id=13028 sport=1935 flags=RA seq=0 win=0 rtt=76.2 ms
len=46 ip=185.42.204.170 ttl=51 DF id=13222 sport=1935 flags=RA seq=1 win=0 rtt=72.1 ms
len=46 ip=185.42.204.170 ttl=51 DF id=13304 sport=1935 flags=RA seq=2 win=0 rtt=75.4 ms
len=46 ip=185.42.204.170 ttl=51 DF id=13468 sport=1935 flags=RA seq=3 win=0 rtt=78.4 ms
len=46 ip=185.42.204.170 ttl=51 DF id=13509 sport=1935 flags=RA seq=4 win=0 rtt=77.4 ms
--- 185.42.204.170 hping statistic ---
9 packets transmitted, 9 packets received, 0% packet loss
round-trip min/avg/max = 72.1/76.1/78.4 ms
Visiblement, c'est au niveau de la passerelle Level3 que ça augmente.
root@Server:~# hping3 -S --traceroute -p 1935 185.42.204.38
HPING 185.42.204.38 (eth1 185.42.204.38): S set, 40 headers + 0 data bytes
hop=1 TTL 0 during transit from ip=192.168.1.254 name=UNKNOWN
hop=1 hoprtt=4.4 ms
hop=2 TTL 0 during transit from ip=78.199.164.254 name=bar44-4-78-199-164-254.fbx.proxad.net
hop=2 hoprtt=7.5 ms
hop=3 TTL 0 during transit from ip=213.228.39.62 name=UNKNOWN
hop=3 hoprtt=7.6 ms
hop=4 TTL 0 during transit from ip=212.27.57.34 name=nantes-crs8-1-be1101.intf.routers.proxad.net
hop=4 hoprtt=11.8 ms
hop=5 TTL 0 during transit from ip=194.149.161.153 name=p11-crs16-1-be1105.intf.routers.proxad.net
hop=5 hoprtt=16.1 ms
hop=6 TTL 0 during transit from ip=78.254.249.6 name=th2-9k-1-be1001.intf.routers.proxad.net
hop=6 hoprtt=16.1 ms
hop=7 TTL 0 during transit from ip=213.242.111.209 name=ae56.edge4.Paris1.Level3.net
hop=7 hoprtt=67.5 ms
hop=8 TTL 0 during transit from ip=4.69.168.70 name=ae-2-70.edge3.Paris1.Level3.net
hop=8 hoprtt=63.2 ms
hop=9 TTL 0 during transit from ip=212.73.242.146 name=JUSTIN.TV.edge3.Paris1.Level3.net
hop=9 hoprtt=67.5 ms
hop=10 TTL 0 during transit from ip=10.16.255.130 name=UNKNOWN
hop=10 hoprtt=63.7 ms
len=46 ip=185.42.204.38 ttl=52 DF id=48471 sport=1935 flags=RA seq=10 win=0 rtt=67.5 ms
len=46 ip=185.42.204.38 ttl=52 DF id=48606 sport=1935 flags=RA seq=11 win=0 rtt=63.2 ms
len=46 ip=185.42.204.38 ttl=52 DF id=48766 sport=1935 flags=RA seq=12 win=0 rtt=67.5 ms
^C
--- 185.42.204.38 hping statistic ---
13 packets transmitted, 13 packets received, 0% packet loss
round-trip min/avg/max = 4.4/40.3/67.5 ms