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| Re: Is there a bittorrent tracker for eclipse 3.0 M9? [message #243928 is a reply to message #243864] |
Sun, 23 May 2004 07:59   |
Eclipse User |
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Hi Sam,
I don't know of any comparison, but here are my two cents:
In theory, if all mirrors would use bittorrent instead of http/ftp it
cannot be slower than with the traditional approach. In fact they can
only be faster, as all downloading peers will also serve the files. And
with bittorrent there is not much protocol overhead for looking up
files. It relies on trackers to serve as kind of directories of the
distributed chunks of a file and they will take care that the chunks are
evenly distributed, i.e. you can usually download from multiple sources
at once.
In practice bandwidth doesn't seem to be a spare good for downloads
like Eclipse or Knoppix and so it doesn't pay off to use bittorrent.
When I download Eclipse from work I usually get around 500 kbytes/s,
that's even faster than accessing our own file servers on a remote
location ;-)
So, to make a long story short. Bittorrent is really great, but the
benefits will only kick in if there is a shortage of bandwidth or the
provider needs to pay for the bandwidth.
On the other hand if you want to distribute Eclipse to the whole
world, with an FTP server on an ISDN line, that wouldn't work. With
bittorrent it (almost) would. And after a little time downloaders can
get it at decent speeds due to the distributed nature of the bittorrent
protocol.
It would be nice if bittorrent would be supported by the update
mechanism ;-)
Cheers,
Mariano
Sam Mesh wrote:
>>> Can we see somewhere comparison for using bittorrent to distribute
>>> such a *heavy used goods* as Eclipse?
>>
>>
>> What do you mean by comparision? Comparison to the current method?
>> Could you clarify a bit please?
>
>
> Comparison to the current method - several mirrors - would be fine.
>
> --
> Thanks,
> Sam
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| Re: Is there a bittorrent tracker for eclipse 3.0 M9? [message #244501 is a reply to message #244485] |
Mon, 24 May 2004 16:52 |
| Eclipse User |
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Hi Sam,
I don't think so. I am behind a firewall and it works fine. However I
believe you cannot host a tracker. Hence you can share files coordinated
by a different tracker, but you cannot share files on your own, i.e.
after downloading the tracker still knows that you have the parts of the
file and can help other downloaders to acquire them, but you cannot
advertise them.
Furthermore you cannot contact other bittorrent clients behind firewalls.
Having said that, it still depends on your firewall. E.g. at the
office I don't have NAT and so my only way into the net is through a
proxy. That wouldn't work for bittorrent afaik.
Just curious. How do you know it didn't work? You know that there is
no search in bittorrent. You need to find a tracker for a particular
file. The tracker describes the file and the extension of a torrent-file
is .torrent. There are lots of torrent portals on the net. If you need
an example torrent go to http://torrent.unix-ag.uni-kl.de:6969/. There
you'll find torrents for Knoppix.
Btw. there is a nice bittorrent client implemented in SWT.
http://azureus.sourceforge.net/
Cheers,
Mariano
Sam Mesh wrote:
> Mariano Kamp wrote:
> > So, to make a long story short. Bittorrent is really great, but the
>
>> benefits will only kick in if there is a shortage of bandwidth or the
>> provider needs to pay for the bandwidth.
>
>
> 1. I really like this formal defnition. :)
>
> 2. I failed to use my first bittorent client - it was my last attempt.
> Do I need to be not behind a firewall?
>
> --
> Sam Mesh - http://openrules.com
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