[BitTorrent] Re: Request for protocol extension: get_info/info
Olaf van der Spek
OvdSpek at LIACS.NL
Wed Jan 19 18:43:43 EST 2005
Justin Cormack wrote:
>>The disadvantage is that you have to unpack them. ;-)
>>Users aren't likely to keep both the unpacked and the packed form and
>>are likely to delete the packed form.
>>The disadvantage of multiple torrents is tracker load.
>>What exactly is the complication of multiple files?
> Well the complication is that they are overlaid rather simply on what is
> basically a block rather than file transfer format (eg file starts are not
> aligned with requests which is really unpleasant, as a piece write may have
> to write to large numbers of files). And as stated above it means more
> information to transfer in the torrent file.
True, true, but merkle trees should solve both.
> The fact that people might not keep the packed form is something I hadnt
> thought about. This is not the case if you use loopback file system images
> (so long as they dont need to be compressed too) - I quite like the way
> MacOS X uses ISO images and other loop fs images all over the place. Of
True, but ISOs are 'meant' to be burned, which I think frequently
happens. And then you can't (easily) regenerate the ISO for seeding,
while you can easily reseed the files on the CD/DVD itself.
> course I have no idea if Windows supports them well, and Linux doesnt
> make it convenient for non root users (though this should be fixed really).
> Not sure how much tracker overhead is, really not sure how many files
> the average torrent is, I think the number is generally small.
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