Cable Forum - View Single Post - Do NTL shape FTP traffic? Can't get anywhere near my connection speed

Chrysalis · 23-11-2005, 23:21

Well I did some tests on my server again and I noticed all the ftp files were coming out at around 120Kb (1mbit) but fluctuating widly during the transfer.

I did a download over IE and it was going at around 3mbit, I then aborted and retried it using getright, this opened up 3 segments and it was going at around 240kB, I closed of the 2nd and 3rd segments so it was single threaded and it slowed down to around 60kB, so my conclusion is something maybe in IE helps the downloading and it was possibly downloading of a ntl proxy to get the 3mbit speeds. It doesnt appear to be shaping http traffic.

Paul regarding pings I think ntl are doing something to improve them since latency has improved at the same time as throughput dropping, the throughput been so low on a server only 30ms away is a clear sign of congestion and there should be a ton of lag to go with it, if I ping the ntl router from my server using icmp packets they fluctuate wildy but if I ping with udp they are more stable with small fluctuations indicating udp packets are higher priority. I plan to fire of an email to the ntl techs tommorow asking them what the situation is concerning traffic that goes through amsterdam and see if they are planning anything to resolve it. From leaseweb I get slightly improved throughput (around 2-3mbit) this is going through the same router.

23-11-2005, 23:21	#11
Chrysalis cf.mega poster Join Date: Sep 2003 Posts: 12,050	Re: Do NTL shape FTP traffic? Can't get anywhere near my connection speed Well I did some tests on my server again and I noticed all the ftp files were coming out at around 120Kb (1mbit) but fluctuating widly during the transfer. I did a download over IE and it was going at around 3mbit, I then aborted and retried it using getright, this opened up 3 segments and it was going at around 240kB, I closed of the 2nd and 3rd segments so it was single threaded and it slowed down to around 60kB, so my conclusion is something maybe in IE helps the downloading and it was possibly downloading of a ntl proxy to get the 3mbit speeds. It doesnt appear to be shaping http traffic. Paul regarding pings I think ntl are doing something to improve them since latency has improved at the same time as throughput dropping, the throughput been so low on a server only 30ms away is a clear sign of congestion and there should be a ton of lag to go with it, if I ping the ntl router from my server using icmp packets they fluctuate wildy but if I ping with udp they are more stable with small fluctuations indicating udp packets are higher priority. I plan to fire of an email to the ntl techs tommorow asking them what the situation is concerning traffic that goes through amsterdam and see if they are planning anything to resolve it. From leaseweb I get slightly improved throughput (around 2-3mbit) this is going through the same router.