Capacity management is a process used to manage information technology (IT). Its primary goal is to ensure that IT resources are right-sized to meet current and future business requirements in a cost-effective manner. One common interpretation of capacity management is described in the ITIL framework.
For capacity planning, modeling tools such as Aria Networks, OPNET, PacketTrap, NetSim,NetFlow and sFlow Analyzer, or NetQoS that project the impact of new applications or increased usage are invaluable. According to Gartner, through 2018 more than 30% of enterprises will use capacity management tools for their critical IT infrastructures, up from less than 5% in 2014. These capacity management tools help infrastructure and operations management teams plan and optimize IT infrastructures and tools, and balance the use of external and cloud computing service providers.