BitTorrent/nl

BitTorrent is een van de vele netwerken die Shareaza ondersteund. Je hoeft er echter geen verbinding mee te maken en dus ook niet altijd mee verbonden te zijn. Je kunt echter niet zoeken naar bestanden.

Algemeen

BitTorrent werkt met drie onderdelen: een "torrent", een "tracker" en een "cliënt".

• Een torrent is een klein bestand dat informatie bevat over een ander bestand. Deze informatie bestaat ondermeer uit de grootte, de naam en de hash. Er staat ook het webadres van een tracker in. Het kan ook meerdere bestanden betreffen. Er kan in het .torrent bestand ook metadata staan. Zie .torrent file voor meer informatie.
• Een tracker is een server op het internet die iedereen die via BitTorrent verbonden is, helpt om de anderen te vinden die hetzelfde bestand hebben of willen hebben. Daardoor kan elke persoon een gedeelte van het bestand downloaden en hun gedeelte uploaden naar anderen.
• Een cliënt is een applicatie die het BitTorrent protocol ondersteunt, kan comuniceren met trackers, up- en downloading data en downloads aanmaken op grond van de informatie in het .torrent bestand. Shareaza is een cliënt.

Het BitTorrent protocol maakt een verbinding met meerdere up- en downloading gebruikers in plaats van een centrale server te gebruiken voor alle bronnen. Hierdoor wordt de downloadsnelheid hoger omdat je de bandbreedte van alle gebruikers die een gedeelte van het bestand naar je downloaden combineert. Meestal betekent dit dat hoe meer bandbreedte je aanbiedt, hoe meer bandbreedte je krijgt. De meeste trackers limiteren de upload bandbreedte naar gebruikers die te weinig uploaden naar andere gebruikers!

Algemene vragen

Voor algemene vragen over BitTorrent, lees de BitTorrent FAQ pagina.

BitTorrent Error Messages

The most important thing first: It is normal for trackers to become temporarily unavailable or take some time to respond. This happens all the time and the best trick is just to wait. Also torrents are short-lived, usually they will not work after some time. This is one of the biggest weaknesses of the BitTorrent protocol: torrents always starve after a certain time, which means that there is nobody left to seed them, so you can't download them anymore.

But if you get an error message telling you that there is a problem communicating with the tracker, there's no reason to panic. Shareaza will keep on trying to connect and there are no other tricks to fix this. Usually you download many torrents without even noticing the error messages.

Sometimes though a tracker is permanently disabled, or the torrent has starved. Look for messages from the tracker, which may appear in the System Window (shortcut: [F11]). Other times a tracker may want you to change your port. You can do this using the connection settings and afterwards restarting Shareaza.

You may get a message from Shareaza about a "BitTorrent encoding error". This means that there is an error within the .torrent file, or something that your system may have trouble with. Most of the time, Shareaza is able to deal with these problems automatically, except for if the .torrent file is too heavily damaged or to badly coded for actually being of any use for Shareaza. However you may sometimes notice that the downloaded files of such a torrent have odd names when it has been completed.

Note: On earlier versions of Shareaza, changing the Advanced Setting BitTorrent.TorrentIgnoreErrors to true (1) was possible to force Shareaza to seed a torrent with encoding error(s). However, this option is no longer present, as Shareaza now ignores the respective encoding errors in the torrent and proceeds with seeding it if possible.

See also BitTorrent encoding error for more information.

If while trying to start seeding, you get an error message about Shareaza not being able to find the files to seed, try moving the .torrent file to the parent directory of the file or files you wish to seed.

Also note that .torrent files specify what is contained by the file name, so Shareaza will often fail to seed if you rename or move your files. Recent versions of Shareaza will also check the default downloads directory, but if you move files around, there may be trouble seeding them.

If you get some other error while trying to seed, such as unable to create bittorrent share file, open the incomplete folder, and make sure there hasn't been a file mistakenly left there by Shareaza. If the file it is trying to recreate in order to reseed already exists in the incomplete folder, reseeding will fail. Try deleting from the incomplete folder any extra file to do with the torrent you wish to reseed. See Clear Incomplete folder for more information on how to get rid of unused leftover .partial files.

How to seed a torrent with Shareaza

1. First, start Shareaza. In case you'd like to reseed a torrent, go to the Library Manager and choose Folder View, else proceed with step 3.
2. There should be a directory called Torrents, which contains a copy of all the .torrent files you have downloaded before. There you probably will be able to find the torrent you want to seed.
3. Make sure the files contained in the torrent are all inside your library, or else Shareaza will try to redownload the torrent.
4. Double click on the .torrent file to open it and choose Seed.
5. Shareaza should proceed to reverify the file and once the necessary files have been build, seed it. Note that this takes some space on your hard drive, so if you are reseeding a torrent, you need to look out for disk space problems if you are running low on disk space.
6. Sometimes an error message will pop up when Shareaza cannot find (some of) the file(s) to seed. In this case, use the library to move the .torrent file from the Torrents folder to the parent directory of the file(s) you wish to seed.

To stop seeding again, go to the Downloads Window/Transfers Tab and clear the seeding torrent.

If you have trouble seeding, look in the incomplete folder to make sure there isn't already an incomplete file for the torrent accidentally left there by the program. If there is, delete it, and try reseeding again. See also clear Incomplete folder for more information.

Please refer to the preceding info on BitTorrent Error Messages for potential problems you may encounter while seeding.

BitTorrent utilities

• TorrentWizard
  Included in Shareazas install package. Very easy way to create full Unicode compatible torrents following the official specs.
• TorrentSpy
  Windows tool which allows you to query a tracker about a specific torrent, view metadata info, check a file's hashes, etc. You can also create torrent files for upload.

External Links

• BitTorrent's official website
• The best BitTorrent FAQ

Official BitTorrent Specifications

• BitTorrent.org The BitTorrent developers forum. Includes dev exchange, protocol extension proposals and specs.
• BitTorrent Protocol
• Multitracker BitTorrent Specs
• BitComet Extensions

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