uHardware
requirements for Java EE (and ADF specifically) can be
prohibitively expensive.
ØScalable application to many OO architects often means
one in which performance problems can be solved by adding additional
hardware.
ØEven systems with 1000 users or less may require multiple
servers to support this environment.
ØRecent
trend is to use a middle tier deployed on Virtual Machines (VM).
§Some cost savings and easier maintenance
u