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Privacy and Performance in Social Overlay Networks

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dc.contributor.advisor Anderson, Thomas E en_US Isdal, Tomas en_US 2012-09-13T17:33:01Z 2012-09-13T17:33:01Z 2012-09-13 2012 en_US
dc.identifier.other Isdal_washington_0250E_10297.pdf en_US
dc.description Thesis (Ph.D.)--University of Washington, 2012 en_US
dc.description.abstract The core Internet protocols were not designed to protect the privacy of content or the identities of communicating users, thus making censorship and surveillance easy. The same problem persists at higher level protocols, popular peer-to-peer networks are trivial to monitor even for an adversary with limited resources. In fact, recent developments suggest that censorship and surveillance of Internet users is becoming more prevalent over time. This dissertation describes the design, implementation, and evaluation of two systems that can bring us towards a future where censorship and surveillance is hard. OneSwarm is a privacy-preserving data sharing network designed to give users performance com- parable to the peer-to-peer networks commonly used today but without revealing their behavior to third party surveillance. Unblock is an overlay network that leverages many of the same building blocks but is designed to help users circumvent censorship of Internet services. Common to both systems is the use of existing social trust between participants to thwart surveillance and censorship respectively. These systems are designed to run on today's Internet and require no changes to core Internet infrastructure or protocols. Measurements of the systems in the wild, and simulations of their behavior at scale, show that they protect user privacy and improve performance over existing alternatives. en_US
dc.format.mimetype application/pdf en_US
dc.language.iso en_US en_US
dc.rights Copyright is held by the individual authors. en_US
dc.subject en_US
dc.subject.other Computer science en_US
dc.subject.other Computer science and engineering en_US
dc.title Privacy and Performance in Social Overlay Networks en_US
dc.type Thesis en_US
dc.embargo.terms No embargo en_US

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