[BitTorrent] Merkle, URLs, etc

Justin Cormack justin at street-vision.com
Fri Mar 4 11:10:40 EST 2005



Olaf wrote: 
> 
> Justin Cormack wrote:
> > Olaf wrote: 
> > 
> >>Joseph Ashwood wrote:
> >>
> >>>Binary Merkle Trees: Are heavily flawed, and the only suggestion made to fix
> >>>it was to send the grandchildren as well, which completely defeats the point
> >>>of the child nodes, making the child nodes pure overhead, they serve no
> >>>purpose except to enlarge the tranfer and raise the CPU time.
> >>
> >>A merkle tree with the same granularity as BT1 does have about the same 
> >>overhead.
> > 
> > 
> > But then its basically equivalent to your get info hash extension... Or
> 
> You mean get_info/info?
> No, it's not.
> 
> > any other scheme where the first thing you do is get a full hash tree...
> 
> No, because you do not get the entire tree up front.

If its flat you have to get it up front, you cant do anything else.

j


 
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