Of BitTorrent • How does it work? • How does it work? • Setting up a BitTorrent network • Disadvantages Of BitTorrent • Copyright Infringement • Impact Of BitTorrent
from websites hosting pirated content • Hosting on webservers like Rapidshare,Megaupload,etc • Sharing on the various P2P networks with clients like Ares,Limewire,Kazaa.
Established by Bram Cohen in 2004. • Bram designed BitTorrent peer-to-peer file sharing protocol. • The BitTorrent protocol • Widespread use to distribute and share copyrighted materials.
US$3.99 for newer releases -Fps -Resolution -Video and Audio Bitrate. • Movies for US$3.99 for newer releases and $2.99 for older titles. • Television shows and music videos $1.99 • Softwares according to Developer • Games $11.99
• Distributing Large Amount of Data • Many Small Data Requests • Many Small Data Requests • Different TCP Connections to Different Machines • Downloads in a Rarest First • Ensuring High Availability 18
Clients Are Made Open Source • Some of the clients are uTorrent Azereus(Now Vuze) Bit Comet Transmission • Techniques Implemented to Improve The Peer to Peer File Sharing Speed • Similarity Enhanced Transfer (SET) Which Help the Not So Popular Files 20
• Decentralized and distributed system • Nodes are equivalent (Peers) • Data could be at ANY node on the network • Nodes leave and join the network • Network is resilient • Avoid dependence on central resources 23
Associated With Given Key • Efficient Resource Discovery • Grid Computing • Scheduling Of Applications P2P Based Networks Applications • Very Beneficial For Structured P2P Networks 27 P2P Based Networks Server Based Network Distributed Hash Table
one that ends in .torrent • Metadata is a file which contains the information of the data you want to information of the data you want to download,not the data itself.
you connect to and transfer data. • A peer does not have the • A peer does not have the complete file. • A peer shares the small pieces of the complete data which it has, with other peers.
torrent. • Once your client finishes downloading, it will remain open until you remain open until you click the Finish button. This is known as being a seed or seeding. • It's considered good manners to continue seeding (uploading) a file.
coordinate the action of BitTorrent clients. • Periodically throughout • Periodically throughout the transfer, your machine will check in with the tracker, telling it how much you've downloaded and uploaded.
the tracker. • Tracker is a servsr that accepts requests • Tracker is a servsr that accepts requests for information about the other peers. • The GET request advertises the peers information.
the connection has been established peers B and C advertise what pieces they already have. already have. • Peer expresses interest since it does not have any pieces. • Peer A then downloads it.
the tracker discover more peers. • Finally peer A completes downloading the • Finally peer A completes downloading the file,it disconnects from other seeds and becomes a seed .
easy application. •The BitTorrent SDK is a full implementation of the official BitTorrent protocol •Compatible with all standard PC clients as it is portable.
Purchase from the DGM Live Library Visit the MyDownloads page Visit the MyDownloads page Begin `Download’link for conformation click on the Torrent file which will belink kc19720312-mp3.torrent Clicking on this file will save your bittorrent file on your computer
the actual MP3 or FLAC files. Open the Torrent file with BitTorrent, either by double- clicking on the Torrent file Bit torrent will ask you where you would like to save the flac or mp3files, and will begin downloading the file. clicking on the Torrent file The Download of the file you selected should begin. If the download does not begin, click the start arrow.
“Error: Data Error (cyclic redundancy check)” and BitTorrent Mainline halts check)” and BitTorrent Mainline halts the torrent job. “Error: Element not found” “Error: Not enough free space on disk” Encountered a dead network.
as soon as they have downloaded. • Thus, torrent swarms gradually die out. • BitTorrent websites have attempted to • BitTorrent websites have attempted to address this by recording each user's download and upload ratio.
disfunctional BitTorrent tracker is not scalable because of its centralized design. Centralized Tracker scalable because of its centralized design. • Thus, in future building a reliable centralized tracker will be undoable or at least very expensive.
• A simple distributed denial of service (DOS) attack can stop a tracker and with it thousands attack can stop a tracker and with it thousands of users.
is through BitTorrent. • The easiest way to pirate something is also through BitTorrent using torrent files. also through BitTorrent using torrent files. • We can download files from other people using a tracker.
Hunt you may find yourself getting sued by the MPAA or RIAA down the road. the road. • Grab the torrent and download it. • You need to use public trackers when all else falls.
community BitTorrent sites. • You are expected to keep a certain ratio. • This allows for superfast, safe downloads • This allows for superfast, safe downloads of content.
action against operators of sites that help connect people to movies. • The MPAA is trying to cripple BitTorrent and its peers by suing people who host the and its peers by suing people who host the tracker servers. • Because of its efficiency in helping users handle very large files such as digital copies of feature length films .
multiple, nearby sources in parallel. • Reliable – it flexibly delivers content to you from a variety of sources. from a variety of sources. • Efficient - it delivers rich content from a vast, global resource of user-contributed bandwidth, selecting from the best sources, without overloading any. • Enables richer content.
to automatically accelerates your favorite web sites and software by downloading in parallel from multiple sources. • DNA contains no spyware, adware, or malware of any sort. • Privacy – no other activity or content on your computer is monitored. • Courteous - DNA will never slow down your computer or Internet connection.
notice by the owner of the infringed matter. • Notice includes the survey of the link that has been used in infringing. has been used in infringing. • It also includes all other information regarding the infringed material. • The notice should include the names of infringing web pages & • Mailing address, tel. no of the owner.
and the electronic or physical signature of the owner. • This Notice should be delivered, with all items completed, to BitTorrent’s Designated Copyright completed, to BitTorrent’s Designated Copyright Agent: Ron Gross, Copyright Agent BitTorrent, Inc. 201 Mission St. Suite 900 San Francisco, California 94105 [email protected]
to registered users or other account holders. holders. • For services that do, BitTorrent will terminate registered users or other account holders whom it determines to be repeat infringers.
individuals asserting rights under the Digital Millennium Copyright Act or other intellectual property laws. or other intellectual property laws. • You authorize BitTorrent to release information about you if required by law or subpoena without notice to you.
to set up and all the files are easily available. • Servers dedicated to the task of serving and are always on and connected to the internet. • Problems with files that are large and popular. • Problems with files that are large and popular. • Another method of transferring files – peer to peer networks systems such as Kazaa, eDonkey. • Files can be shared without having access to a proper server. • These networks tend to be very popular for illicit files such as music, movies, pirated software, etc.
instead, BitTorrent is true Peer-Peer networking where the users do the actual file serving. • Torrents enforce 99% quality control by filtering out corrupted and dummy files, ensuring that downloads contain only what they claim to contain. • BitTorrent code is open-source, advertising-free, and • BitTorrent code is open-source, advertising-free, and adware/spyware-free. This means that no single person profits from BitTorrent's success • BitTorrent can achieve download speeds over 1.5 megabits per second.
using BitTorrent to distribute their own or licensed material. • BitTorrent Inc. has amassed a number of licenses from Hollywood studios for distributing popular content from Hollywood studios for distributing popular content from their websites. • There are many broadcasters and softwares that have started using bittorrents to expand their software. • Network impact - BitTorrent represents 18% of all broadband traffic. • Indexing-The Bit Torrent protocol provides no way to index torrent files.
does not offer its users anonymity. • The leech problem. • The cheater problem - There are "cheating" clients like BitThief which claim to be able to download without BitThief which claim to be able to download without uploading. • Speed - Average Bit Torrent download speed is limited by the combined average upload speed of "peers" and "seeds" .
Users go to Ameibo.com, and have the choice of either renting or purchasing movies from a growing database that are provided directly by legal distributors. • Ameibo is the only website in the world that pays you hard cold cash when you legally share the movies you hard cold cash when you legally share the movies you legally Buy or Rent from them. • Film industries can make money while embracing the internet as an ideal form of distribution. • TuneMiser.com - Get All The Digital Music You Want.
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