[BitTorrent] Re: Tracker scrape extension proposal

Olaf van der Spek OvdSpek at LIACS.NL
Tue Jan 18 18:23:14 EST 2005


Alex wrote:
> There are two intervals, the announce - which informs tracker of the 
> status of things, and the rerequest which is based on whether the peer 
> has a connection and/or has it's peer list fulfilled. Currently, the 
> tracker doesn't set a min reqrequest interval (though it could); the 

How can it do that?
And which clients respect it?

> tracker only sets a default announce interval. Thus, peers by default 
> request peers (thus announcing) every 5 mins until they fulfill their 
> peers list and then resort to announcing every 30 minutes. This is only 
> how the source client works, I'm not sure how the others do but I'm 
> sure they are similar.
> 
> By default, the announce request is 5 mins or 30, depending on how many 
> peers the client has and if it's been connected to. The majority of 
> swarms won't maintain a full peer list and will average closer to the 5 
> min interval than the 30 min interval (excepting torrents with peer 
> counts disproportional to the content's size).


 
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