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Issue No. 05 - Sept.-Oct. (2014 vol. 18)
ISSN: 1089-7801
pp: 44-51
Patrick Stuedi , Microsoft Research
Iqbal Mohomed , Microsoft Research
Mahesh Balakrishnan , Microsoft Research
Z. Morley Mao , Microsoft Research
Venugopalan Ramasubramanian , Microsoft Research
Doug Terry , Microsoft Research
Ted Wobber , Microsoft Research
Mobile devices are increasingly used for social networking applications, which share data between devices belonging to different users. Today, such applications are implemented as centralized services, forcing users to trust corporations with their personal data. Although decentralized designs for such applications can provide privacy, these designs are difficult to achieve on current devices due to constraints on connectivity, energy, and bandwidth. Contrail is a communication platform that allows decentralized social networks to overcome these challenges. In Contrail, users install content filters that express their interests on their friends' devices; they subsequently receive new data generated by their friends that match the filters. Both data and filters are exchanged between devices via cloud-based relays in encrypted form, giving the cloud no visibility into either. In addition to providing privacy, Contrail enables applications that are highly efficient in terms of both energy and bandwidth.
Servers, Internet, Social network services, Privacy, Matched filters, Smart phones, Mobile computing,Internet computing, cloud computing, privacy, mobile computing, data sharing
Patrick Stuedi, Iqbal Mohomed, Mahesh Balakrishnan, Z. Morley Mao, Venugopalan Ramasubramanian, Doug Terry, Ted Wobber, "Contrail: Decentralized and Privacy-Preserving Social Networks on Smartphones", IEEE Internet Computing, vol. 18, no. , pp. 44-51, Sept.-Oct. 2014, doi:10.1109/MIC.2013.130
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