Thomas Kunz
Systems and Computer Engineering
9
File Systems: Limited Connectivity
nSymmetry
–Client/Server
or Peer-to-Peer relations
–support in
the fixed network and/or mobile computers
–one file
system or several file systems
–one
namespace for files or several namespaces
nTransparency
–hide the
mobility support, applications on mobile computers should not notice the mobility
–user should
not notice additional mechanisms needed
nConsistency model
–optimistic
or pessimistic
nCaching and Pre-fetching
–single
files, directories, subtrees, partitions, ...
–permanent
or only at certain points in time