It's a pretty hazy difference; I don't think there are formal
definitions for each.
Cluster computing *usually* (but not always) implies a bit more
tightly coupled set of computing: the app communicates and coordinates
between itself more than your standard manager/worker computation
model. Distributed computing *usually* focuses on the manager/worker
model -- send some work to anyone who asks for it and then eventually
get some results back from them (or not -- then you have to send the
same work out to someone else).
But you can certainly use the manager/worker model in cluster
computing, too. Not all cluster computing is tightly coupled.
Probably the easiest distinction is that "cluster computing" occurs on
a cluster; distributed computing [usually] occurs in a larger-than-a-
SAN area.
On Dec 19, 2007, at 1:10 AM, Amit Kumar Saha wrote:
Hi all!
I am a bit hazy about the differences between Distributed Computing
and Cluster Computing.
This document here
http://www.ibm.com/developerworks/grid/library/gr-heritage/ is a nice
read on Grid Computing and it also has few lines about important
differences from Cluster Computing.
Hints will be duly appreciated!
Thanks,
Amit
--
Amit Kumar Saha
Writer, Programmer, Researcher
http://amitsaha.in.googlepages.com
http://amitksaha.blogspot.com
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Jeff Squyres
Cisco Systems
