Netflix's resiliency strategy pays off after Amazon rebooted its cloud

Greater resiliency thanks to Chaos Monkey
Chaos Monkey is just one wrench in Netflix's box of resiliency tools known as the "Simian Army." Other Simian Army applications include Chaos Gorilla, which simulates the outage of an entire Amazon Web Service Availability Zone, and Janitor Monkey, which searches out unused resources and removes them. Chaos Monkey in particular was useful for simulating problems caused by the AWS reboot because the program is designed to randomly disable the virtual machines that Amazon hosts for Netflix. These programs were utilized to develop exercises for Netflix IT professionals, and these experiences were an essential tool in preparing the team for Amazon's reboot.

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