Summary
Blue-green deployment is a release technique that reduces downtime and risk by running two identical production environments called Blue and Green. This technique is also known also known as A-Side / B-Side deployments.[[pic]]
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At any time, only one of the environments is live, with the live environment serving all production traffic. The benefit of Blue-Green deployments is to allow SMACS' production environment to continue to run in parallel while QA can integration test a new version also in the production environment. When the new version is deemed ready, the production traffic is switched to the new version without any downtime. Should any problems arise with the new version, the admin can easily rollback/revert to the old version with zero downtime.
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