LBFS: A Low-bandwidth Network File System


LBFS is a network file system which conserves communication bandwidth between clients and servers. It takes advantage of cross-file similarities. When transferring a file between the client and server, LBFS identifies chunks of data that the recipient already has in other files and avoids transmitting the redundant data over the network.

Development of LBFS, unfortunately, has been stalled. The current distribution, available from the anonymous CVS repository, is usable. One of the authors of the paper has been using it regularly over a cable modem connection. There are still many things to be done. Feel free to work on them.

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