Date Added: Jan 2011
This paper presents 7DS, a novel peer-to-peer data sharing system. Peers can be either mobile or stationary (such as infostations). 7DS is architecture, a set of protocols and an implementation enabling the exchange of data among peers that are not necessarily connected to the Internet. Communication is typically, but not necessarily, wirelesses. 7DS runs as an application and communicates with other 7DS participants via a LAN. It operates in two modes, namely prefetch and on-demand. In the prefetch mode, it anticipates information needs of users and the system queries other peers for these data. In the on-demand mode, the user can directly search for information among peers.