On Wed, Feb 10, 2010 at 3:27 PM, Nicholas Weaver
<[email protected]> wrote:
>
> On Feb 10, 2010, at 3:10 PM, Ping Pan wrote:
>
> > Interesting bandwidth usage information.
> >
> > Here is a related draft on bandwidth provisioning and management from 
> > Comcast 
> > (http://www.ietf.org/id/draft-livingood-woundy-congestion-mgmt-01.txt): 
> > when a user pumps traffic at 70-80% of provisioned thresholds for 15 
> > minutes, his/her packets will be added to a low-priority queue that may be 
> > dropped in event of congestion.
> >
> > I guess in the context of P2P, the tracker manager needs to swap seeds 
> > every 15 minutes. :-)
>
> Actually, unless there is near starvation issues, it shouldn't be a problem:  
> If the traffic usage drops below 70% due to the lower priority view, I would 
> expect it to bounce back up in the next epoch.  If it doesn't, well, you are 
> still >70% of listed capacity during your low priority time.
>
> Basically, "Square wave" the traffic doesn't help if the thershold is set at 
> any value >50%, because either you will stay in low proirity (but still be 
> sending >50%), or be bounced back up to high priority anyway.
>
> Thats one of the things I like about the scheme, both as a researcher and 
> happy comcast customer: its very hard to game, but there is very little 
> reason TO try to game it.
>

Yup! It's protocol/app-agnostic You are right. Thanks!

Regards,

- Ping
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