%T Designing a Concurrent File Server
%A James Whitehead
%E Peter H. Welch, Frederick R. M. Barnes, Kevin Chalmers, Jan Bækgaard Pedersen, Adam T. Sampson
%B Communicating Process Architectures 2012
%X In this paper we present a design and architecture for a
concurrent file system server. This architecture is a
compromise between the fully concurrent V6 UNIX
implementation, and the simple sequential implementation in
the MINIX operating system. The design of the server is made
easier through the use of a disciplined model of
concurrency, based on the CSP process algebra. By viewing
the problem through this restricted lens, without
traditional explicit locking mechanisms, we can construct
the system as a process network of components with
explicit connections and dependencies. This provides us with
insight into the problem domain, and allows us to analyse
the issues present in concurrent file system implementation.
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