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4.6 Notes

by: Caitlin Notetaker

4.6 Notes PHI115

Caitlin Notetaker
GPA 3.0
Social and Ethical Issues in Computing
Bartlomiej Chomanski

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About this Document

These are notes on Peer-to-Peer Networks and Cyberlockers
Social and Ethical Issues in Computing
Bartlomiej Chomanski
Class Notes
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This 2 page Class Notes was uploaded by Caitlin Notetaker on Tuesday February 17, 2015. The Class Notes belongs to PHI115 at University of Miami taught by Bartlomiej Chomanski in Spring2015. Since its upload, it has received 193 views.

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Date Created: 02/17/15
46 PeertoPeer Networks and Cyberlockers PeertoPeer Refers to a transient network allowing computers running the same networking program to connect with each other and access files stored on each other s hard drives PeertoPeer networks stimulate the exchange of data in three ways 1 They give each user access to data stored in many other computers 2 They support simultaneous file transfers among arbitrary pairs of computers 3 They allow users to identify those systems that will be able to deliver the desired data more rapidly Cyberlockers Filehosting Services or Cloud storage Services Internetbased filesharing services that allow users to upload passwordprotected files gt Users can give other people access to the files they have uploaded by sharing passwords People who wish to collaborate on a project often find sharing large files through cyberlockers more convenient than sending them back and forth as attachments to email messages gt Cyberlockers also make it easy for people to share copyrighted material such as songs and movies Napster A peertopeer network that facilitated the exchange of music files gt Shutdown in September 2002 FastTrack A secondgeneration peertopeer network technology gt Distributes the index of available files among a large number of supernodes Any computer with a highspeed internet connection running FastTrack has the potential to become a supernode BitTorrent Divides a file into pieces about a quarter megabyte in length gt Different pieces of a file can be downloaded simultaneously from different computers avoiding the uploading bottleneck As soon as the user has a piece of the file the user can share this piece with other users Pirate Bay One of the biggest filesharing websites in the world with an estimated 25 million users gt People use the Pirate Bay to search for songs movies TV shows or computer programs they can download for free Prioritizing Resources and Organization for Intellectual Property Act PROIP Gives federal law enforcement agencies the authority to seize the domain names of websites that are allegedly facilitating copyright infringement or trafficking in counterfeit goods


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