Answered: Calculate SLE, ARO and ALE (Show the…

Operations Research : Applications and Algorithms

4th Edition

ISBN:9780534380588

Author:Wayne L. Winston

Publisher:Wayne L. Winston

Chapter20: Queuing Theory

Section20.10: Exponential Queues In Series And Open Queuing Networks

Problem 6P

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Consider an e-commerce Web site that normally runs seven days a week, 24 hours a day, generating an average of $10,000 per hour in revenue from customer orders. Experience has shown that:

- the site becomes unavailable due to operating systems failure five times a week.

- At each operating system failure, the site is unavailable for 2 hours.

- In addition, the company estimates that upon a failure, it would spend $5,000 on advertising to counteract the negative publicity from such an incident.

Calculate SLE, ARO and ALE (Show the calculation).

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