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Two web servers and one application server?

 
Manny Pacman Pacquiao
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How will this address fail-over? If the application server goes down, system goes down. How should this be put in the design? Assumptions?
 
Cameron Wallace McKenzie
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You have a single point of failure. I'd at the very least cluster the JVMs on the app server, and implement some form of vertical scaling.

How do you handle a single point of failure? Have the web servers prepared to send the client a pretty web page when a 500 error is encountered.

I hope that's a WebSphere Application Server. Those are the only J2EE servers that never, ever, go down.

Cheers!

-Cameron McKenzie
 
Newman Huang
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from the CEO/CIO introductions, there are several servers to host the booking system. it is necessary to consider the physical deployment.
 
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