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Software Status and Availability
The current prototype runs as a kernel loadable module for FreeBSD 4.3-RELEASE
and implements a large subset of the DAFS specification including all basic
file access, performance enhancements, locking, and client caching support
operations. Besides the server, we have ported device drivers to FreeBSD
for a number of VI NIC, including the Giganet/Emulex cLAN 1000 and GN 9000
VI/IP which use ATM and gigabit Ethernet respectively as their link layer
transport. We anticipate to measure the performance benefits of Optimistic
DAFS as soon as the transport support is implemented. Source code for the
server and associated FreeBSD kernel patches can be obtained from https://www.eecs.harvard.edu/vino/fs-perf/dafs.
Kostas Magoutis 2001-12-03