A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : AFS Byte-Range Locking
Author(s) : M. Benjamin
Filename : draft-mbenjamin-afs-file-locking-06.txt
Pages : 30
Date : 2011-04-27
The AFS-3 protocol supports file locks, but only on whole
files, only in advisory mode. Efficient support for byte-range
file locking, together with the stronger semantics with which
they are associated, are required to improve the suitability of
AFS as a LAN file-sharing protocol for both Unix and Windows
clients. Applications on the Windows platform, in particular
(e.g., Microsoft Office), actually require byte-range locking
to function correctly. Emulation in the client has alleviated
most serious problems, albeit, with reduced semantics. We
propose protocol enhancements facilitating server-coordinated
byte-range locks, atomic lock up/down-grade support, improved
semantics for files under byte-range lock control, protocol
support for wait-on-lock with fairness, and mandatory lock
enforcement for clients on request. The delegation proposal,
included within this document in previous drafts, has been
split out into a separate proposal, based on feedback from
reviewers.
A URL for this Internet-Draft is:
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