須子 善彦

Peer-to-peer (P2P) is a system of overlay networks such that participants can potentially take symmetrical roles. This translates itself into a design based on the philosophy of local production, local consumption (LPLC), originally an agricultural concept to promote sustainable local economy. This philosophy helps enhancing survivability of a society by providing a dependable economic infrastructure and promoting the power of individuals. This paper attempts to put existing works of P2P designs into the perspective of the five-layer architecture model to realize LPLC, and proposes future research directions toward integration of P2P studies for actualization of a dependable and sustainable social infrastructure