OpenView Network Node Manager: Designing and Implementing an Enterprise Solution

Choosing Scalable Hardware at Each NNM Site

Selecting a hardware configuration that turns out to be too small after a few months is an embarrassment worth avoiding. The resulting response time degradation will be remembered as a bad user experience that may limit the acceptance of the NNM system throughout the user community. Whatever the initial sizing estimates for each NNM system, it is important to choose a scalable system.

A scalable system is one that can be upgraded in the field so that the impact on the operation of the NNM tool is minimized to just a few minutes of downtime. A non-scalable system is maximally configured in some way. Scalable means that hardware components can be upgraded to increase performance and reduce transaction ...