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296 Network
99% 1189 Server hardware
Contributors to outage after countermeasures 95% 74% 6123 Application software
74% Reduction 45% 8366 Server software
13292 Environment
30000 25000 20000 15000 10000 5000 0
100% 90% 80% 70% 60% 50% 40% 30% 20% 10% Minutes of outage 0%
2201 Environment
98%
4230 Network
Contributors to computer outage 67% 26046 Server hardware
94%
27981 Application software FIGURE 5-35 • Reduction in outages comparison Pareto charts.
39%
39254 Server software
n = 99712 100000 90000 80000 70000 60000 50000 40000 Minutes of outage 30000 20000 10000 0
182
