File Systems: Limited Connectivity
n Data management
management of buffered data and copies of data
request for updates, validity of data
detection of changes in data
n Conflict solving
application specific or general
errors
n Several experimental systems exist
Coda (Carnegie Mellon University), Little Work (University of
Michigan), Ficus (UCLA) etc.
n Many systems use ideas from distributed file systems such
as, e.g.,  AFS (Andrew File System)