A Distributed File Transfer Protocol based on P-FTP

J.-J. Liaw, C.-T. Wu, and L.-H. Chang (Taiwan)


distributed file transfer, mirror server, large file transmission, PFTP.


In this paper, we propose a Distributed File Transfer Protocol (DFTP) which is used to reduce the file download time. DFTP finds suitable mirror servers by the client itself, and calculates the size of transmission sub file for each found mirror server. The size of sub-file is corresponded to the basis of server availability and path quality. Since the file is segmented into sub-files, simultaneous download sub-files from found servers decreases the time spending for the client. It also reduces the loading on each server. This method speeds up the time for downloading large files.

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