On Mon, 13 Sep 2004 16:34:15 -0600, Andrew Hunter
<[EMAIL PROTECTED]> wrote:
> I have DSL through Qwest which is set to 1.5 Mbps/864Kbps. I am considering
> setting up a webserver and maybe a couple of full-time bittorrent streams.
> So, I am wondering.
>
> 1) Is DSL bandwidth single-duplex/cumulative? That is, if I am downloading
> at, say, 800 Kbps, have I reduced my server's capacity to upload a web site
> to 64 Kbps if I am uploading nothing else? (Besides TCP/IP overhead, of
> course.)
That's a question for Qwest tech support. There are many kinds of
DSL, some of which behave the way you mention. The question to ask is
if it's symetric (SDSL) or asymetric (ADSL). If it's symetric the up
and down don't effect each other (someone please correct me if I mixed
them up).
> 2) Is it possible to throttle specific apps? In this case, can I prevent
> Bittorrent from ever uploading at more than a fixed rate?
Throttling can be done using some fun iptables rules, but for
bittorrent there's an option to cap the rates. From the FAQ (always
check there first):
How do I limit the amount of bandwidth consumed by BitTorrent?
Use the --max_upload_rate command line parameter, which takes an
upload rate in kilobytes/sec.
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