Isolation Boundary

Replit has completed a full rewrite of its sandbox engine, moving the isolation boundary to microVMs to improve security, capabilities and cross-cloud portability, including its Bring Your Own Cloud offering on customers' AWS, Google Cloud or Azure environments. The company says it migrated hundreds of millions of projects without user-visible disruption or data loss, with a follow-up post to cover orchestrating tens of thousands of microVMs on Kubernetes.