On Security Management: Improving Energy Efficiency, Decreasing Negative Environmental Impact, and Reducing Financial Costs for Data Centers

Table 11

Approximate annual environmental impact (in pounds of CO₂). Number of handled users is equal to 33 288 000 per server a year; CPU load varies between the roles.

Scenario
Server(s)	RBAC role
	Role  1; (CPU load ≈ 29.56%)	Role  2; (CPU load ≈ 59.36%)	Role  3; (CPU load ≈ 98.45%)
1	5 117	5 405	5 650
13	66 519	70 267	73 451
520	2 660 770	2 810 679	2 938 038