alan <alan@xxxxxxxxxxxxxx> writes: > On Tue, 21 Mar 2006, Florin Andrei wrote: > >> On Tue, 2006-03-21 at 13:31 -0500, sean wrote: >> >>> The biggest problem is usually that your upstream speed is limited which >>> will severely reduce your download speed (1). One common cause is having >>> local firewall (iptables) rules active. Another is having a router >>> (linksys etc.) which hasn't been configured to allow bittorrent >>> connections (2). >> >> I would venture to say that a combination of these factors is >> responsible for most cases of poor performance, even more so that ISP >> traffic shaping. >> >> There's plenty of clueless people out there who are behind a broadband >> router that's doing NAT, the router has no protocol helper for >> BitTorrent and does not forward the BitTorrent ports to the correct >> machine behind it - as a result of course the download speed is very >> low, yet people complain about BitTorrent per se. lol :-) >> >> Saying "BitTorrent sucks" has a pretty high probability of being >> equivalent to "my computer/networking skills suck". > > I have been using BitTorrent quite a bit and I have seen pretty iffy > performance downloading FC5. > > I am using the correct ports, my firewall handles it fine, and my ISP > does not block. Other downloads have not been a problem since the > last router upgrade. > > Something else is going on here. > If your client supports it, try limiting your uplink speed. For a 1Mb ADSL, about 18kB/s is about right. That will let me get 110kB/s download. Without a specific limit, the uplink speed doubles, you drop so many packets that the download speed is cut in half. -- Tony Lill, Tony.Lill@xxxxxxxxxxxxxxxxxxx President, A. J. Lill Consultants fax/data (519) 650 3571 539 Grand Valley Dr., Cambridge, Ont. N3H 2S2 (519) 241 2461 --------------- http://www.ajlc.waterloo.on.ca/ ---------------- "Welcome to All Things UNIX, where if it's not UNIX, it's CRAP!"