BitTorrent swarms have a deadly bite on broadband nets

Sun Oct 21 18:43:00 UTC 2007

Note that this is from 2006. Do you have a link to the actual paper, by
Terry Shaw, of CableLabs, and Jim Martin of Clemson ?

Regards
Marshall

On Oct 21, 2007, at 1:03 PM, Sean Donelan wrote:

>
>
> http://www.multichannel.com/article/CA6332098.html
>
>   The short answer: Badly. Based on the research, conducted by  
> Terry Shaw,
>   of CableLabs, and Jim Martin, a computer science professor at  
> Clemson
>   University, it only takes about 10 BitTorrent users bartering  
> files on a
>   node (of around 500) to double the delays experienced by  
> everybody else.
>   Especially if everybody else is using "normal priority" services,  
> like
>   e-mail or Web surfing, which is what tech people tend to call
>   "best-effort" traffic.
>
> Adding more network bandwidth doesn't improve the network  
> experience of other network users, it just increases the  
> consumption by P2P users. That's why you are seeing many  
> universities and enterprises spending money on traffic shaping  
> equipment instead of more network bandwidth.
>