>>You can stream if you have all chunks from the window you are showing
to the user and you are able to get the next window of chunks before its
show time.
<<
 
yeah; i shouldn't be telling you this David; since you're creating something I find threating to my prospects :)
 
I stream video/audio content for previews for the file you're going to buy...i start the play back after 20% has been has arrived. using the 80/20 rule here. You can figure some rate/percentage  if you want...
 
but this is to confirm that audio/video play-back software will open the file as read-only and start playing it...while your writing it at the same time.
 
lemon


Nazareno Andrade <[EMAIL PROTECTED]> wrote:
David Barrett wrote:
>
> What’s the difference between “chunks prioritization within time window”
> and “sequential downloading”? How can you stream without sequential
> downloading?
>

You can stream if you have all chunks from the window you are showing to
the user and you are able to get the next window of chunks before its
show time.

The problem with sequential downloading is that peers which joined the
swarm after peer p1 don't have any chunks of the file which interest p1,
and thus cannot trade chunks with him. This is an issue if you'd like to
provide incentives for cooperation. If you divide the stream in windows
and you can download chunks within a window in any order, peers in a
same window can trade chunks with a mechanism similar to BT's tit-for-tat.

cheers,
Nazareno


>
>
> -david
>
>
>
> ------------------------------------------------------------------------
>
> *From:* [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] *On Behalf Of *Florent THIERY
> *Sent:* Thursday, October 26, 2006 6:54 AM
> *To:* theory and practice of decentralized computer networks
> *Subject:* [p2p-hackers] BT2 & Question
>
>
>
> http://tech.groups.yahoo.com/group/BitTorrent/message/5481
>
> I don't get why they are not implementing a Bittorrent variant for
> play-while-downloading (chunks prioritisation within time window). Read
> a paper once about bittorrent mod, saying that's more efficient than
> sequential downloading. Ever heard of swarming-enabled p2p protocol for
> on demand ?
>
>
> ------------------------------------------------------------------------
>
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> [email protected]
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You don't get no juice unless you squeeze
Lemon Obrien, the Third.

http://www.tamago.us
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