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Each user receives a different part, which in turn, after saving it on a computer begins to be distributed. If communication is interrupted by one of the distributers, the program chooses another one and the process continues. In addition, the user with the greatest speed distribution is always selected as a dealer. There is nothing complicated about it, that's just sounds a little confusing. After the first experience with the program, you will understand everything. In addition, BitTorrent-Client undertakes almost all the important functions for downloading and distributing torrents.

How does a BitTorrent-Client work?

Download torrent

To download a torrent, you need to find a special server-torrent tracker. We can recommend you http://slowtorrent.com/ as one of the easiest and understandable sites of such kind. On this server, you select the file and start quick download. Of course, physically, there are no files on the server itself. All of them are located on the computers of other users and server shows just a list of files. The very same server coordinates the distribution of the files from one users to another. If it happens so that no user is distributing user is online, then downloading torrents is impossible, because in fact there is nowhere to take it. If this happens, try to free download torrent in the evening or at night, usually at this time there are more members that are active. That's the way the answer to another question: "where to download the torrent?" And the answer is - of course, from a site or server tracker, like slowtorrent.com. Download torrent.

It is also worth remembering that the torrent client runs in the background and consumes very few resources of your computer. So you can safely work or study, while download torrent online. And you can put files to download any number as long as there is enough of hard disk memory.

torrent tracker

Now, we will have practical training on "how to download torrent." To begin with, get in the vast network of Internet software torrent client. Next, select yourself any torrent tracker, register and select the file that you would like to download.

One of the most popular BitTorrent-clients is μTorrent. It is easy to use and not greedy for computer resources. Small footprint, quick to install, does not require any pre-setting, that is immediately ready for use.

Now let's look where to download torrent files. Search torrent files on torrent trackers, special sites and servers, where users share files. Some trackers might be only a list of files on the other, for an individual file can be assigned a separate page, with the most detailed description of it. It is preferable to use the latter, especially for beginners. Some torrent trackers require registration, others do not require it.

So, how to free downloads torrents? If the site has a registration, then you need first to register, if not, just write in the search box the name of the movie or desired program. If you do not know exactly what you want to fins, simply go to the category of "movies" or "video", or “games”. Next, select a subcategory - "Documentary", "foreign", "series" and so on. The whole system is very similar in almost all trackers. So if you have used any other tracker and moved to a new one, you can understand a new one. After finding the desired movie, in its description may be present, such information:

Seeder is a user who distributes the entire downloaded file. Generally, the more seeds, the better, because thanks to them, upload speed is significantly increased. But even if there is no distribution, no oxide, it does not mean that you can not download the file.

Download torrent. PIR user who simply participate in the distributing.

Leech is a party distribution that a certain number of segments downloaded files and distributes them. The client program can find leech addresses, file segments as they have, and the speed with which they give and they take. But this does not mean that if there is no distribution of oxides, the leeches will not be able to get the file. Having a different number of segments, they can share them with each other until they get the whole file. Especially if a lot of leeches are available.

Let us summarize the information. In general, BitTorrent (or simply "torrent") is an Internet protocol that allows you to quickly download large files. In contrast to the usual download site, using the BitTorrent file takes piece by piece in a large number of users. This allows you to download large files like music albums, movies and TV series much faster than would be obtained by means of other protocols(torrent tracker).

To understand how BitTorrent works, it is worth considering what happens when we download a file from a site in a conventional manner. And there is something like this:

- The user opens a web page and clicks on the link to start downloading the file to the computer(Download torrent);

- The browser (the client) tells the server (a computer with a desired file) that you want to transfer a copy of the file to your computer;

- Runs through one of the transmission protocol (a list of rules), such as FTP (File Transfer Protocol) or HTTP (Hypertext Transfer Protocol).

In the data transmission, speed is affected by the set of factors, including the type of protocol, and the server load. If the file is a "heavy" and at the same popular time, server load is high and the speed of downloading, respectively, is low. torrent tracker.

When using torrents, the system is very different. The file is not downloaded from any server, and, as already mentioned, it is drawn in part from a plurality of users (so we do not depend on the load on a single server and its availability). However, it will not work without the server. You need a torrent client - a special program for downloading and assembling the elements of the file together. BitTorrent works based on the principle "you give me, I have what you have": it is accepted not only for downloading but also to distribute, and download speeds often depends on the upload speed (it all depends on how this is principled about this torrent tracker). Here is how it works:

- User opens a torrent client special torrent-file - a tiny file that corresponds to the "large" files scattered on the internet;

- Torrent client reads torrent-file and binds said it tracker to find the computers where it is currently running as a client program, and you want us to have the entire file (so-called LEDs, or siderite - seeds) or part (peers - peers, most of all, they, like us, are now busy downloading);

- The tracker identifies the “swarm” of computers that have fragments or entire file and are in the process of downloading or distribution, and involves you in it;

- The tracker helps the client of software components share files with computers in the "swarm", as a result your computer receives pieces of the file from different sources, and the client gathers them together,

- If you leave your bittorrent client running after the download is finished, you will be in a number of seeders and will be able to raise its rating on the tracker, to continue to download faster. At too low rating may apply different restrictions to download, for example, no more than one file at a time, or load may be temporarily forbidden for those who are trying to only receive, not handing out - for so-called leechers from the word leech.

Rating is a very commonly used tool to stimulate users to stay on hand, but there is a tracker, where the rating system is not applied(torrent tracker).

It is noteworthy that the more popular the file is, the greater the oxides and the faster the download is (note, if you boot from a traditional server situation is the opposite).

As you have already understood, installing, configuring and using the torrent client is very simple and useful. To download through BitTorrent, you must first install the program - a torrent client. You may also need to adjust the firewall settings if you use it, so that it is allowed to take the torrent files. But first things first:

- Download the torrent client, for example, site http://slowtorrent.com/; run the installation by double clicking on the icon (the installation process intuitive, you can leave the default settings, and upon its completion the message about successful installation);

- Be online, find a movie you want to download and open it in uTorrent;

- Wait for uTorrent to download movies, parallel distributing it in fragments;

- If desired, leave uTorrent running, ie remain on hand.

If the download of the film (in our example) does not start, then either now no one gives out it, or your firewall (software that blocks unauthorized access to computer ports) blocks the uTorrent. Go to the firewall settings and open ports from 6881 to 6889 for incoming traffic (which uses them BitTorrent). You may also need to enable port forwarding IP-address of your computer to the port from 6881 to 6889, to other computers on a "swarm" might see you. Here, you may need professional help or more detailed acquaintance with the principles of the firewall settings (bad advice - you can simply disable the firewall).

Features of the BitTorrent network. BitTorrent is different from similar P2P-protocol: for each distributed file, a file with extension torrent, which contains information about the distributed file. This torrent-file can be distributed through any channels of communication such as lists of torrent-files can be laid out on special Web servers located in the user's network, sent via email, posted to blogs or news feeds RSS. Itself torrent-file contains meta information (for example, hash sum address tracker, and so on) of the distributed data. These are distributed through its own communications protocol based on TCP / IP.

The basic principle of the record, the distribution file is completely controlled tracker (whose address is in the torrent-file), so that users download the file itself (called Leecher) begins to distribute as soon as downloading is suitable for this first part. Cooperative user behavior is inherent in the very architecture of the protocol, and in principle can not be selfish.

Architecture of BitTorrent provides for a file, put in a network, the only owner who is interested in its propagation. The original owner of the file generates a torrent-file. The client, in turn, downloads a file (for HTTP, FTP, or simply handing out any way) with extension torrent, which contains information about the address of the owner, the name and size of the desired file and its hash. That's all you need to track the progress of the process, control and response capabilities users to download an incomplete or empty file.

The key to the success of any peer to peer network typically requires users not only upload files, but also to share them with others. Meanwhile, for various reasons (mostly related to payment channels), quite often users prefer as soon as possible to download the file and shut, despite the fact that the rules of etiquette written request to share with other users. This reduces the amount of available sources, because of which suffer from stability and quality of the network. The BitTorrent provides a special method of dealing with selfish "leeches", which involves the user rating, where the most "generous" given priority on foreign servers, and those who "share" unwilling boot Popular files go to the end of the queue.

Participation in the exchange system of tracker-server programmers BitTorrent gave an opportunity to introduce an algorithm that prevents the appearance of incomplete files. Since the tracker stores information about segments successfully loaded on each machine, the file download will start to force new customers with the most rare segment. If BitTorrent client downloads large files, divided into 200 parts, it does not mean that the process will begin with the segment number 01 and end segment ? 200. The customer always receives the segment, which occupies the last place on the prevalence of that, ideally after 200 connections to the central the server will provide an opportunity to put in a peer entire file. torrent tracker

 


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