
Chapter 4. DB2 UDB V8 and WAS V5 integrated environment 91
Performance: Components’ interdependence and competition for resources
All components compete for the shared resources (CPU, memory, network,
and so on). Since components influence each other, bottlenecks or
ill-behaved components can be difficult to identify.
Security: No isolation
There is no explicit layer of isolation between the components.
Availability: Single point of failure
This configuration is a single point of failure.
4.4.4 Separating the HTTP server
When compared to a configuration where the application server and the HTTP
server are collocated on a single physical ser ...