Internet Site Failures

Human error largest cause of failure in the more complex service, significant in both

Network problems largest cause of failure in the less complex service, significant in both

Global storage service site failures

hardware

0%

28%

Network

22%

Human

41%

unknown

9%

High-traffic Internet site failures

28%

software

0%

48%

20%

4%

HW

Network

Human

SW

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