
Appendix A. Performance management process 635
You might also need to compare the DS8000 performance with the users’ performance
requirements. Often, these requirements are explicitly defined in formal agreements between
IT management and user management. These agreements are referred to as service-level
agreements (SLA) or service-level objectives (SLO). These agreements provide a framework
for measuring IT resource performance requirements against IT resource fulfillment.
Performance SLA
A performance SLA is a formal agreement between IT Management and User
representatives concerning the performance of the IT resources. Often, these SLAs provide ...