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Why is web & app server not shown as clustered in chapter-nine of H.Sheil?

Ranganathan Kaliyur Mannar
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Joined: Oct 16, 2003
Posts: 1076
    
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In chapter-nine of H.Sheil, I am not sure why web & app server not shown as clustered. The requirements for this sample assignment include 99.99% availability as a criteria. Doesn't clustering automatically support fail-over and increase availability too? Also, the DB server is shown as clustered. So, all the more reason to show the web&app servers as clustered...


Ranga.
SCJP 1.4, OCMJEA/SCEA 5.0.
 
Consider Paul's rocket mass heater.
 
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