Explore the challenges and solutions of managing mutable infrastructure at a global scale in this 40-minute conference talk from SREcon23 Asia/Pacific. Discover how Holly Mooneyham from Cisco Meraki transformed a complex, brownfield environment with over 5,000 compute instances across 12+ data centers and public cloud from a push-oriented model to a distributed, eventually consistent, pull-oriented model. Learn about the tools, processes, and design concepts implemented to support evolving architecture and tackle technical debt in a massive hybrid cloud setup. Gain insights into future considerations for infrastructure management and how to apply these strategies to similar challenges in different environments.