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USENIX Technical Program - Abstract - Windows NT Symposium 99
FIFS: A Framework for Implementing User-Mode File Systems in Windows NT
Danilo Almeida, Laboratory for Computer Science, Massachusetts Institute of Technology
Abstract
This paper presents FIFS, a framework that facilitates file system
research under Windows NT. FIFS addresses the high cost of file system
development under Windows NT by providing a simple user-mode
development environment. The environment is a Common Internet File
System (CIFS) loopback server that seamlessly integrates with NT's
Installable File System (IFS) architecture via the CIFS client
included in the operating system. As such, it can provide full NT
remote file system semantics. Initial performance measurements of the
prototype FIFS implementation show FIFS capable of achieving good
performance. Our prototype non-caching user-mode NFS implementation
performs at about 70% the speed of a commercial non-caching
kernel-mode NFS implementation.
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