Chapter
Instructor’s Manual
6
Assuring Reliable and Secure IT Services
Key
Learning Objectives for Chapter 6:
Understand factors that drive IT availability and how to provision
high-availability systems
Recognize sources of IT systems risk and how to secure IT systems
Recognize trade-offs involved in IT risk management and the
inevitability of incidents
Understand management approaches to contain and recover from
such incidents
Applegate, L.M., Austin, R.D, and Soule, D.L., Corporate Information Strategy and Management, 8th edition, Burr Ridge, IL: McGraw-Hill/Irwin, 2009
Chapter 6: Assuring Reliable and Secure IT Services
Five Components in Series (Each 98 percent available)
Applegate, L.M., Austin, R.D., and Soule, D.L., Corporate Information Strategy and Management, 8th edition, Burr Ridge, IL: McGraw-Hill/Irwin, 2009
Chapter 6: Assuring Reliable and Secure IT Services
Combining Components in Series Decreases Overall Availability
Applegate, L.M., Austin, R.D., and Soule, D.L., Corporate Information Strategy and Management, 8th edition, Burr Ridge, IL: McGraw-Hill/Irwin, 2009
Chapter 6: Assuring Reliable and Secure IT Services
Five Components in Parallel (Each 98 percent available)
Applegate, L.M., Austin, R.D., and Soule, D.L., Corporate Information Strategy and Management, 8th edition, Burr Ridge, IL: McGraw-Hill/Irwin, 2009
Chapter 6: Assuring Reliable and Secure IT Services
Redundancy Increase Overall Availability
Applegate, L.M., Austin, R.D., and Soule, D.L., Corporate Information Strategy and Management, 8th edition, Burr Ridge, IL: McGraw-Hill/Irwin, 2009
Chapter 6: Assuring Reliable and Secure IT Services
A Representative E-Commerce Infrastructure
Applegate, L.M., Austin, R.D., and Soule, D.L., Corporate Information Strategy and Management, 8th edition, Burr Ridge, IL: McGraw-Hill/Irwin, 2009
Chapter 6: Assuring Reliable and Secure IT Services
Normal and DoS Handshakes
Applegate, L.M., Austin, R.D., and Soule, D.L., Corporate Information Strategy and Management, 8th edition, Burr Ridge, IL: McGraw-Hill/Irwin, 2009
Chapter 6: Assuring Reliable and Secure IT Services
A Distributed Denial-of-Service Attack
Applegate, L.M., Austin, R.D., and Soule, D.L., Corporate Information Strategy and Management, 8th edition, Burr Ridge, IL: McGraw-Hill/Irwin, 2009
Chapter 6: Assuring Reliable and Secure IT Services
“Spoofing”
Applegate, L.M., Austin, R.D., and Soule, D.L., Corporate Information Strategy and Management, 8th edition, Burr Ridge, IL: McGraw-Hill/Irwin, 2009
Chapter 6: Assuring Reliable and Secure IT Services
Managing Infrastructure Risks: Consequences and Probabilities
Applegate, L.M., Austin, R.D., and Soule, D.L., Corporate Information Strategy and Management, 8th edition, Burr Ridge, IL: McGraw-Hill/Irwin, 2009