FIELD: communication.
SUBSTANCE: invention relates to replication of data, in particular replication of data in a peer-to-peer network of mobile devices. Each device stores a plurality of data items. When two devices come into range, a decision as to whether to replicate a data item is made depending on extent to which that data item has been requested by other devices, and extent to which that data item is replicated on other devices. In this way, both demand and supply of a data item are taken into account.
EFFECT: technical result consists in increase of replication of data while saving memory.
18 cl, 3 dwg
