Re: [LARTC] Traffic Shaping over Satellite Internet

2007-03-16 Thread lartc
hi randy, On Fri, 2007-03-16 at 09:55 +0300, Randy Wallace wrote: snip I have no way of knowing if our service provider uses SCPS, HughesNet is a maze of customer support personnel who don't know what a router is ;) this is really critical to try to do any shaping ... many indoor units have

[LARTC] Traffic Shaping over Satellite Internet

2007-03-15 Thread Randy Wallace
I've set up Traffic Shaping on a Linux Router. Using HTB with SFQ, i'm trying to slow down heavy downloading for 20 subscribers over a 2048 kbit downlink. I'm classifying internet related traffic using iptables marking. bri0 is my local lan bridge, receiving egress traffic destined for

Re: [LARTC] Traffic Shaping over Satellite Internet

2007-03-15 Thread Oscar Mechanic
Shaping on satellite can be a bad idea. Depends on who your provider is. Some satellite providers use SCPS http://www.scps.org/ as a means to increase performance. Simply put if you start shaping and drop ACK's you will end up with connections hangs. I am really surprised we do not hear more

Re: [LARTC] Traffic Shaping over Satellite Internet

2007-03-15 Thread Randy Wallace
Well, so far as I can tell, there have not been any major problems with dropped ACK's. Our biggest gain, at least in the last 36 hours, is that during peak hours, subscribers have not been able to download at as high a rate as they could before. That, and when the subscribers who only wish to