Re: Taxonomy draft - web replication problems

From: Joe Touch (touch@ISI.EDU)
Date: Fri Aug 20 1999 - 15:23:34 MDT


It seems like there are a few dimensions in which caching and replication
differ:

                        Caching Replication

what is copied server output server source
                                        (as Micah observed, though
                                        I would apply it to all replication,
                                        not just mirroring)

who initiates it client server
                        (unless push-
                        cached, which
                        blurs the line)

how permanent is it temporary permanent
                                        (managed by the server,
                                        flushed or updated via overwrites
                                        by the server)

The difference between a mirror and a replica, IMO, is that

        a mirror is a copy of an entire server
        a replicate is a copy of one of the files on a server

I think this takes into account part of the
definitions of Micah, Wojtek, and Gary.
Does it unify them??

Joe



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