DISTRIBUTED STORAGE AND COMMUNICATION

摘要

Apparatus and method of storing, retrieving, transmitting and receiving data comprising a) separating the data into a plurality of data elements, b) matching the position of each data element according to its position in the data with a storage location, c) storing each data element at its matched storage location, d) generating parity data from groups of data elements such that any one or more of the data elements within a group may be recreated from the remaining data elements within the group and the parity data for that group, e) generating further parity data from further groups of data elements formed from the same data elements used in step d) in different combinations and f) storing the parity data and further parity data in separate storage locations.