Classification of energy-saving operations from the perspective of system management

System management operations consist of detecting events that have occurred in a monitored system, checking system conditions, judging appropriate actions to be taken, and implementing the chosen actions. There are several patterns of system management operations. In this paper, the authors classify energy-saving operations in data centers according to patterns of system management operations. This classification helps enterprises consider what kind of energy-saving operations are feasible in current system management environments and what kind of improvement should be made in order to implement desired energy-saving operations. Use cases are provided for each pattern of system management operations. A quantitative estimation of power consumption reduction and analysis for improvement based upon the estimation are provided for one use case.