It is advisable to start testing your E-business system as soon as possible, preferably during the development stages and certainly before implementation.Once a system has been successfully launched, performance monitoring should continue to be a primary system management function. E-business systems operate in a continually changing environment and their scalability, reliability, security and performance are essential requirements for a successful Internet business operation.

Shown below is a simple E-business infrastructure diagram, outlining the issues that should be addressed if performance is to be achieved and maintained.