A Two-Tier Energy-Aware Resource Management for Virtualized Cloud Computing System

Figure 6

Performance evaluation on different aspects. The legend in (a) represents the “server numbers-total VM number.” The legend in (b) represents the “VM request number arriving in a minute.” The legend in (c) and (d) represents the “(minimum living time, maximum living time).”

(a) Energy saving

(b) Arriving ratios

(c) VM lengths

(d) Influence of subset size