P2P gets a bad press, but it's one of the best ways to share
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BitTorrent
A guide to using and optimising this popular P2P network
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S
o how does BitTorrent get files from the internet on to your PC? First, install a BitTorrent client on your PC like uTorrent. Once done, browse the web for sites hosting links to special files with a .torrent extension. These are very small, and simply contain information about the file you wish to download.
Double-clicking a .torrent file should open a link to a central server (called a "tracker") on the internet, which has details about the file and other computers currently downloading or sharing it (collectively known as a "swarm").
These details are then downloaded to your PC, which enables it to make direct contact with the other members of the swarm to start downloading the file. The file itself is split into smaller chunks, and those segments are traded between members of the swarm (multiple segments can be downloaded and uploaded simultaneously to maximise bandwidth use and improve performance). Once all of the chunks have been downloaded, they're reassembled into the original file.
Step-by-step:
Speed up your torrents
1. RUN SPEED TEST
Launch uTorrent and choose Options > Speed Guide. Click the button to run a speed test to verify your upload and download speeds, then change the Connection Type to match.
2. CHECK FORWARDING
Click Test if port is forwarded properly; if the result is negative, consult your router's documentation to find out how to forward the port listed to your PC's IP address.
3. CHANGE PORT
If you think your ISP is restricting BitTorrent traffic, select Options > Preferences > Connection and set a different port (don't forget to update your router's port-forwarding settings if necessary).
4. CAP TRANSFER SPEEDS
Choose Options > Preferences > Bandwidth, untick Automatic and experiment with the settings - try setting the upload speed to 80 per cent of your maximum, and the download to 95 per cent of your maximum.
5. OPTIMISE TCP/IP CONNECTION
If you're running Windows XP or earlier, download SG TCP Optimizer from here and use it to match Windows' settings to your connection speed.
6. USE A COMPATIBLE NAS DRIVE
More and more Network Attached Storage devices support BitTorrent, enabling you to set up the connection on your NAS and leave it to its own devices without slowing up your PC.
Best - and safe - torrent sites
Looking for a good site to locate torrents? Vuze users - see below - can search from within their application, but other BitTorrent users need to scour the web for safe, reliable and preferably spam-free sites.
Start your search at ISOHunt (click here), which is updated on an hourly basis to provide the latest information about the files available. Also take a look at Mininova (click here), which is also light on the ads and enables you to filter searches by category, such as software, movies and music.
If you want to avoid anything legally dubious, search at http://www.youtorrent.com , which specialises in providing links to legal downloads. For more Torrent sites to consider, check out About.com's top 35 torrent sites as provided by its readers - click here to access it.
A. FIND CONTENT: Vuze has a built-in search engine, enabling you to find torrents and other downloads from directly within the program itself instead of going via your web browser.
B. BUILT-IN MEDIA PLAYER: continuing the integrated theme, you can play your downloaded media from within Vuze itself, which boasts an integrated media player.
C. NEW INTERFACE:Vuze 4.0 boasts a more user-friendly interface for previewing your torrents as they download - but the old more detailed view is just a click away on the View toolbar.
A. SMALL FOOTPRINT:uTorrent is a tiny 971KB download, which means it doesn't hog memory, processor power or hard drive space. Result: a small, fast BitTorrent client that's hard to beat.
B. TOP-NOTCH PERFORMANCE: don't be fooled by the small file size and demands - uTorrent is up there with the best when it comes to delivering the best download and upload speeds.
C. OFFICIAL:uTorrent has been adopted by BitTorrent.com as its official client program - it's hard to think of a better recommendation.
A. DOWNLOADS MANAGEMENT:Free Download Manager is primarily a tool for speeding up file downloads (by downloading from multiple locations simultaneously), plus it can resume many broken downloads too.
B. BITTORRENT SUPPORT: BitTorrent downloads are handled within the same application, meaning you have a single application to handle all your internet-based file downloads.
C. DOWNLOAD FLASH VIDEO:Free Download Manager lets you download Flash-based video from video sites like YouTube and Video Google, plus it'll convert the FLV file into a more popular video format.