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%T Designing a Concurrent File Server
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%A  James Whitehead
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%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.