Fifth International World Wide Web Conference
How Distributed File Systems Maintain Coherence
- validation check ,older (Sun NFS)
- callback newer, (Andrew, Coda, AFS)
Callback not scalable to the Web
- too many caches want promises(most navigators have a cache)
- the Web is unreliable
Validation Checks
- can take very long on the web
- used by today's web browsers
Web Cache Coherence
(A.Dingle,T.Partl)