Rolling Update (or ramped or incremental)
Version B is slowly rolled out and replacing version A
Recreate
Version A is terminated then version B is rolled out. When no requirement for zero-downtime
Blue-Green
Version B is released alongside version A, then the traffic is switched to version B
Canary
Version B is released to a subset of users, then proceed to a full rollout
A/B Testing
Version B is released to a subset of users under specific condition. Test multiple versions of an application simultaneously (who’s performaing best?)
Shadow
Version B receives real-world traffic alongside version A and doesn’t impact the response
