Central article:

Eliezer Levy and Abraham Silberschatz, "Distributed File Systems:
Concepts and Examples", Computing Surveys, vol 22(4), 1990.

Questions:

1.  Do you think access transparency is feasible in a distributed
    environment (hint: literature WWWK94)?

2.  Describe caching strategies in NFS and AFS and discuss pros and cons.

3.  How does NFS and AFS handle simultaneous users? What is the
    semantics of sharing?

4.  Which environments does NFS and AFS best fit?