In a distributed network comprising a plurality of peer (as opposed to master-slave) computers, a method of file shadowing allows each peer computer to maintain copies of data entries originated by the other peer computers in near-real time. Each computer assigns a unique serial number to each entry,...http://www.google.co.uk/patents/US5276871?utm_source=gb-gplus-sharePatent US5276871 - Method of file shadowing among peer systems
