28-10-2013, 01:25 PM
Andrew File System.ppt (Size: 160 KB / Downloads: 48)
Contents
Introduction
AFS Design
Implementation
Cache Consistency Mechanisms
Other Aspects
Related Research
Conclusion
Introduction
Andrew File System (AFS) is one of the distributed file systems that been developed at Carnegie Mellon University (CMU) for use as a campus computing & the information system.
The design of AFS reflects an intention to support information sharing on a large scale by minimizing client-server communication.
It is designed to be heterogeneous, scalable, & it runs efficiently on variations on UNIX.
Main Goal:
AFS provide scalability to thousands of workstation at one site while offering users, applications & administrations the conveniences of a shared file system.
AFS Design
2 design characteristics-
Whole-file serving
Whole-file caching
AFS Design (cont.)
Whole-file serving
the entire contents of directories and files are transmitted to client computers by AFS server