关键词: 文件同步, vector time pairs, rsync, 局部同步

Abstract:

The vector time pairs algorithm and the rsync algorithm are combined for remote file synchronization.The vector time pairs algorithm uses the vector time pair to detect file updates,additions,deletions and conflicts without any false positives and support partial synchronizations.Using the rsync algorithm to transfer different parts of files and reconstruct synchronize files when copying files can effectively reduce the network traffic.Rsync,Unison,and this system model are compared by an experiment,and the results verify the feasibility of the model.

Key words: file synchronization;vector time pairs;rsync;partial synchronization