[BitTorrent] Re: bt2 protocol features

dpmott at sep.com dpmott at sep.com
Mon Jun 7 11:23:57 EDT 2004


--- In BitTorrent at yahoogroups.com, Bram Cohen <bram at b...> wrote:

> > Related thing, how about peers refering to pieces *strictly* by 
> > hash?
> 
> It turns out that the size of those hashes can be fairly 
> significant, and the program logic winds up doing a lookup to 
> translate back from hash to index on the other side anyway.

Let me know if any of this is wrong...

If you were to eliminate the "offset" and "length" fields when 
requesting a chunk, and make the chunksize appropriately small, then 
you could just request a chunk by offset.

And, you can request a validation hash for each chunk.

And, this approach would elminate that whole "chunk" and "piece" 
distinction...

Is any of that wrong, or undesirable for some reason?

Thanks,
-Dave





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