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Topic: BitTorrent tracker


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In the News (Tue 2 Dec 08)

  
  BitTorrent at AllExperts
BitTorrent is designed to distribute large amounts of data widely without incurring the corresponding consumption in costly server and bandwidth resources.
Because BitTorrent relies on the upstream bandwidth of its users â€" and the more users, the more aggregate bandwidth is available for sharing the files â€" it is considered good etiquette to leave one's BitTorrent client open after downloading has completed so that others may continue to gain from the file that has been distributed.
Trackers are placed in groups, or tiers, with a tracker randomly chosen from the top tier and tried, moving to the next tier if all the trackers in the top tier fail.
en.allexperts.com /e/b/bi/bittorrent.htm   (5048 words)

  
  BitTorrent tracker - Wikipedia, the free encyclopedia
A BitTorrent tracker is a server which assists in the communication between peers using the BitTorrent protocol.
A tracker should be differentiated from a BitTorrent index by the fact that it does not necessarily list files that are being tracked.
Trackers are the primary reason for a damaged BitTorrent 'swarm'.
en.wikipedia.org /wiki/BitTorrent_tracker   (514 words)

  
 BitTorrentSpecification - TheoryOrg
This happens if the client is communicating to the tracker through a proxy (or a transparent web proxy/cache.) It also is necessary when both the client and the tracker are on the same local side of a NAT gateway.
By convention most trackers support another form of request, which queries the state of a given torrent (or all torrents) that the tracker is managing.
The peer_id from the tracker and in the handshake are expected to match.
wiki.theory.org /BitTorrentSpecification   (7352 words)

  
 trackerbt - a distributed bittorrent tracker
One crucial component of the BitTorrent structure is the tracker.
Peak load would be reduced, and if one tracker goes offline new peers would still be able to contact one of the other trackers and join the download.
The minder acts as a tracker for the trackers.
www.alhem.net /project/trackerbt/index.html   (366 words)

  
 Hurricane Electric FAQ - BitTorrent
The advantage of serving files via the BitTorrent protocol as compared to HTTP is BitTorrent is more bandwidth efficient than HTTP (from the server perspective) when serving large files to a large number of people.
Serving files via BitTorrent should be considered when the file size is 10 MB or larger and the number of people downloading at the same time is more than 1.
BitTorrent requires the person downloading to have BitTorrent client software installed (there are many free clients available).
he.net /faq/bittorrent.html   (552 words)

  
 The BitTorrent P2P file-sharing system | The Register
In BitTorrent, files are split up into chunks (on the order of a thousand per file), and the downloaders of a file barter for chunks of it by uploading and downloading them in a tit-for-tat-like manner to prevent parasitic behavior.
The tracker responds to a user's request with a list of some of the peers having (part of) the requested file, with whom the user can establish direct connections to barter for chunks of the file.
In general, trackers are a frequent target for denial-of-service attacks and are costly to operate due to GBytes of daily bandwidth consumption.
www.theregister.co.uk /2004/12/18/bittorrent_measurements_analysis   (4193 words)

  
 BitTorrent FAQ and Guide
BNBT - This is a C++ implementation of a BitTorrent tracker.
BitTorrent is not like other peer-to-peer applications (such as Winmx, Kazaa, Gnutella, etc.) in that it does not have its own "universe." Put another way, BT lives on top of the Web, which means that all of the searching/listing of available files is done on the web.
BitTorrent uses the SHA hash function to determine which parts of the file are good and which are bad.
www.dessent.net /btfaq   (13783 words)

  
 BitTorrent - DreamHost
The problem is that with the amount of bandwidth at our disposal, the trackers simply end up handling too much data and eating up far too many resources (both CPU and bandwidth) and end up affecting the level of service we can offer the other people on our shared hosting servers.
Trackers, on the other hand, are disabled on a case by case basis.
You can think of it at bitTorrent without the.torrent files and without the tracker, it is very easy to use, but it does not work as well for large libraries of large files that are downloaded rarely, by a large user base.
wiki.dreamhost.com /index.php/BitTorrent   (1528 words)

  
 Private BitTorrent Tracker Signup Checker | TorrentFreak
It will regularly check the signup pages of the trackers you wish to join and notifies you when one of these is open to newcomers.
If your favorite tracker is not in the list you have the option to add it manually in the “trackers.xml” file.
Tracker Checker 1.2 is available at stamcar.com, and we have a mirror over here.
torrentfreak.com /private-bittorrent-tracker-signup-checker   (667 words)

  
 freshmeat.net: Project Reviews - Kenosis and the World Free Web
These are BitTorrent trackers that share information about peers so a client can connect to any of these trackers to get metadata related to a given file.
Each tracker simply needs to query Kenosis to find the nearest N nodes in the network that are also running trackers, and share peer information with them.
Distributed trackers are essential for situations in which a given file is so popular that the swarm of clients trying to download it exceeds the capacity of any individual tracker.
freshmeat.net /articles/view/1440   (3119 words)

  
 OverClocked ReMix BitTorrent Tracker (http://bt.ocremix.org)
Bittorrent is a distributed download system that uses a special client that forces everyone downloading to share with everyone else for that specific download, even as it is in progress.
You can use a Bittorrent client to easily download a complete set of at least the first 1250 ReMixes still listed on http://www.ocremix.org/ in addition to several ocremix sponsored cd quality albums.
The important part to remember about downloading the remixes via bittorrent is that if you give your client time, you will have a perfect set of remixes.
bt.ocremix.org   (823 words)

  
 BitTorrent Usage Guide: Learn how to use the most effective method of obtaining latest tv-series, movies and other ...
BitTorrent is the ultimate file sharing tool for distributing huge files to a vast number of users.
The bittorrent (official site) clients needs a hash file for the actual file you will be downloading and a tracker which connects downloading clients together and keeps track of who has what parts of the file being distributed The information files with the tracker adress and the hash code are called
Bittorrent clients will only give you a good download speed if the other people who are downloading it give you a good upload speed.
linuxreviews.org /software/p2p/bittorrent   (781 words)

  
 BitTorrent.org » For Developers » Protocol Specification
Its advantage over plain HTTP is that when multiple downloads of the same file happen concurrently, the downloaders upload to each other, making it possible for the file source to support very large numbers of downloaders with only a modest increase in its load.
Generate a metainfo (.torrent) file using the complete file to be served and the URL of the tracker.
The one possible exception is if a downloader wants to do multiple downloads over a single port, they may wait for incoming connections to give a download hash first, and respond with the same one if it's in their list.
www.bittorrent.org /protocol.html   (2026 words)

  
 BitTorrent, Tracker Alternatives | Czarism.com   (Site not responding. Last check: 2007-10-20)
BitTorrent is a peer-to-peer (P2P) file distribution tool written by programmer Bram Cohen which was debuted at CodeCon 2002.
Second, BitTorrent makes no attempt to conceal the host ultimately responsible for a given file's availability: a person who wishes to make a file available must run a tracker on a specific host or hosts and distribute the tracker address(es) in the.torrent file.
While it is possible to simply operate a tracker on a server that is located where the copyright holder cannot take legal action, this feature of the protocol does imply some degree of accountability that other protocols lack.
czarism.com /bittorrent-tracker-alternatives   (376 words)

  
 Teknikill: BitTorrent
Downloaders are periodically checking in with the tracker to keep it informed of their progress, and are uploading to and downloading from each other via direct connections.
Metainfo file and tracker responses are both sent in a simple, efficient, and extensible format called bencoding (pronounced 'bee encoding').
If a tracker response has a key failure reason, then that maps to a human readable string which explains why the query failed, and no other keys are required.
teknikill.net /?BitTorrent   (2580 words)

  
 The Conspiracy Central Tracker | 100777.com
The tracker only manages connections, it does not have any knowledge of the contents of the files being distributed, and therefore a large number of users can be supported with relatively limited tracker bandwidth.
The key philosophy of BitTorrent is that users should upload (transmit outbound) at the same time they are downloading (receiving inbound.) In this manner, network bandwidth is utilized as efficiently as possible.
BitTorrent is designed to work better as the number of people interested in a certain file increases, in contrast to other file transfer protocols.
100777.com /node/997   (228 words)

  
 BitTorrent : Java Glossary
BitTorrent is especially popular for distributing Linux distributions as iso CD images.
The tracker overhead of serving a torrent to the world is minuscule, about 1/1000 that of serving a single HTTP download.
BitTorrent client won't tell you if it has successfully negotiated the firewall and what ports it is using.
mindprod.com /jgloss/bittorrent.html   (2062 words)

  
 BitTorrent - Wikipedia, the free encyclopedia
BitTorrent is the name of a peer-to-peer (P2P) file distribution protocol, and of a free software implementation of that protocol.
The method used by BitTorrent to distribute files parallels the one used by the eDonkey2000 network, but nodes in eDonkey's file sharing network usually share and download a much larger number of files, making the bandwidth available to each transfer much smaller.
Legaltorrents.com and datagalaxy.net are among the first trackers that have got a notable community behind them providing vivid selection of legal material to public.
en.wikipedia.org /wiki/BitTorrent   (5075 words)

  
 freshmeat.net: Project details for BitTorrent
BitTorrent is a tool for copying files from one machine to another.
It is capable of reading the tracker's response, prepare everything and start connecting to clients.
The bittorrent tracker returns error code 407 if client is behind a proxy.
freshmeat.net /projects/bittorrent   (553 words)

  
 A bit about BitTorrent | Free Software Magazine
The tracker is a server (probably also run by you) which acts like a traffic-controller—if clients can’t figure out where to get a piece of the file, they ask the tracker for directions (they can also discover this information from each other).
The BitTorrent documentation says that a torrent download should begin when you click on the torrent link in Mozilla, but this never worked for me. Instead, I had to save the torrent file to disk, then open it with qtorrent in order to begin retrieving the file.
BitTorrent avoids cheating or “leaching” (only downloading, not uploading) by the algorithm it uses to decide priorities for which peers to serve—the ones that play nice get served first (i.e.
www.freesoftwaremagazine.com /node/1745   (2702 words)

  
 BitTorrent for Clusters: Research: Nathan Edwards
When staging large input files to the many nodes of a cluster, the traditional network copy approach (scp, rcp, NFS) quickly overwhelms the machine holding the original copy of the input file.
BitTorrent, a peer-to-peer file distribution protocol is naturally suited for file distribution when the file is large, and many clients want the file simultaneously - precisely the scenario when a staging large input files for a distributed cluster job.
This infrastructure make it possible to simultaneously distribute 40 copies of a 4Gb file to the nodes of a Linux cluster without bringing down the local network or the submit machine.
www.umiacs.umd.edu /~nedwards/research/bittorrent_for_clusters.html   (138 words)

  
 Bittorrent Tracker by default? - Ubuntu Forums
It seems there is a bittorrent tracker running by default.
I don't understand why bittorrent should be part of a default desktop installation, this is "bad practice" according to me (I believe a desktop install should be minimal, yet workable).
The tracker is not actually transferring the files, it is only holding tiny amounts of information about the location and status of the peers.
www.ubuntuforums.org /showthread.php?t=108788   (437 words)

  
 Troubleshooting BitTorrent Tracker - AnimeSuki Forum
But for some reason now, when I upload a torrent, ABC client is giving me "Problem connecting to tracker" with grey color text.
It can't be firewall or anything of the sort because, like I said, the tracker and the client is on the same server.
However, I think this is working because there were people on the tracker with their download windows already open.
forums.animesuki.com /showthread.php?t=7546   (361 words)

  
 BitTorrent FAQ and Guide
BitTorrent is not like other peer-to-peer applications (such as Winmx, Kazaa, Gnutella, etc.) in that it does not have its own "universe." Put another way, BT lives on top of the Web, which means that all of the searching/listing of available files is done on the web.
BitTorrent uses the SHA hash function to determine which parts of the file are good and which are bad.
Trackers tend to be heavily loaded, and connections sometimes fail.
dessent.net /btfaq   (13783 words)

  
 The Pirate Bay - The worlds largest BitTorrent tracker
There are many different clients for bittorrent, this guide will deal with Azureus and Bittornado.
Up to the right you see how much you have downloaded (100 % in this case), and below you see how many complete copies of the file there is available (1.997 in this case) from all seeds and peers that you are connected to.
Tracker status is shown down to the left.
thepiratebay.org /howdoidownload.php   (793 words)

  
 a.scarywater.net   (Site not responding. Last check: 2007-10-20)
The tracker has seen 167065.torrents; Of these, 10440 are alive and well, 21027 have peers but no seeding, and 135598 are no longer frequented.
To those that are currently experiencing timeouts on the tracker : the problem is known.
The move will happen over the next few days and should not cause any disruption in service; the old tracker will forward requests for a few days, just in case there are any hickups.
a.scarywater.net   (624 words)

  
 Automatically Check Private BitTorrent Tracker Site for Registration Openings » Raymond.CC Blog
There are easily hundreds of torrent tracker sites and I've introduced a software that auto search for torrents on multiple sites without going site after site to perform a search.
Problem is, the sign-ups don't come by very often and you wouldn't know when they will open their bittorrent tracker site for registration.
Tracker Checker is a small and easy to use program that regularly checks the status of private BitTorrent trackers for open registrations.
www.raymond.cc /blog/archives/2006/11/30/automatically-check-private-bittorrent-tracker-site-for-registration-openings   (514 words)

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