AI-300: Operationalizing Machine Learning and Generative AI Solutions

A safe promotion (blue-green / canary) strategy follows a deploy-validate-then-cut-over sequence. First you deploy the new model version alongside production while it receives no live user traffic, so production is undisturbed. Next you validate its behavior using Foundry evaluations, shadow/canary traffic, and quality gates before it serves real users. Only after it passes validation do you promote it by shifting 100% of traffic to the new version, completing the cutover with rollback still available. 'Create an AI gateway route version' and 'Update the model settings on the production route' are distractors that either skip the actual promotion step or would change production directly.