Evolution Of Peer To Peer

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The current phenomenon of peer-to-peer programs (also known as P2P) all began with a college student named Shawn Fanning at Northeastern University, who wanted an easier way of finding music over the internet. Websites that offered good music all seemed to lead to dead ends, frustrating Shawn and those around him. It inspired him to make a file-sharing system combined with a music search function that would allow users to “bypass the rats' nest of legal and technical problems that kept great music from busting out all over the World Wide Web.” It was called Napster. The system consisted of having its users connect to a central server, which would facilitate searching for music on other users computers. However, many believed it would be unworkable; it relied on the users, not the server, to provide the goods. As one of his friends explained, “It's a selfish world, and nobody wants to share.” All doubts were crushed when a year later, the number of users peaked at 26.4 million. Napster faced many legal challenges during its rise to the top. Almost immediately after its launch, the Recording Industry Association of America (RIAA) filed a lawsuit against the service for copyright infringement. Although Napster was not directly responsible for the copying of such files, it qualified as indirect infringement, as a service that facilitated the unlawful sharing of over 200,000 copyrighted songs. Representing the recording industry in the United States, the RIAA sought damages of $100,000 per song, bringing the total to a unfathomable 20 billion dollars. In the coming months, other bands and artists would file lawsuits as they saw their works being shared for free. In July 2001, ... ... middle of paper ... ...ever the distinct difference from other protocols is in the method of transfer. While all the other P2P protocols use HTTP as the method of transfer, where each client downloads from a single user, the BitTorrent protocol splits up the files and spreads out the distribution among each of the clients. Each client then trades their piece with the other clients, minimizing the costs for the original distributor. In theory, a distributor would supply the file only once, spreading it out to the other users, and then have the network of users provide the entire file to any infinite amount of new recipients. However, in practice, users have no incentive to continue to provide the file once they have finished downloading it, and often disconnect from the network afterwards. If no one with the complete file is available, any new recipients would be unable to download the data.

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