Redundancy and Access Permissions in Decentralized File Systems
Johanna Amann · mediaTUM – the media and publications repository of the Technical University Munich (Technical University Munich) · 2011
This thesis solves two open problems of peer-to-peer file systems. It proposes a resource-efficient system for the reliable redundant storage of data. The system is evaluated with network traces of real peer-to-peer systems using different redundancy algorithms. Furthermore, this thesis presents a scheme to enforce of POSIX access permissions. It only relies on cryptography and uses nearly no asymmetric cryptography. Both systems do not depend on any central components.