Description

Cloud storage systems have been rapidly emerging recently since they bring fast and convenient storage services to users. We note that providing those service in a private-cloud way is costly, i.e., energy, bandwidth, and storage hardware are expensive for maintaining a cloud storage platform. To cope with the aforementioned issues, our idea is to exploit unused space and bandwidth at user-site machines to build a peer-assisted cloud storage platform. That is, in a peer-assisted cloud storage system, each peer helps back up data of other peers, and all peers form a virtual storage system.