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I suspect Netflix built the Simian Army largely out of necessity, since at the time, AWS did not offer much native ways to deliberately inject failure or validate resilience or compliance at scale. Today, many of these ideas map directly to some of their managed services like AWS Fault Injection Simulator, AWS Resilience Hub, or AWS Config, AWS Inspector, Security Hub, GuardDuty, and IAM Access Analyzer for example. There is also a big third-party ecosystem (Gremlin, LitmusChaos, Chaos Mesh, Steadybit, etc...) offering similar capabilities, often with better multi-cloud or CI/CD integration. Some of these Netflix tools, I dont think they get much maintenance now, but as free options, they can be cheaper to run than AWS managed services or Marketplace offerings... |