Definition:
AWS Auto Scaling is a service that automatically monitors and adjusts compute resources to maintain performance for applications hosted in the Amazon Web Services public cloud. Using AWS Auto Scaling, it’s easy to setup application scaling for multiple resources across multiple services in minutes.
Further Reading:
Book: The DevOps Handbook by Gene Kim, Jez Humble,Patrick Debois.
Definition:
The blue/green is a strategy for change in management to releasing software code. Blue/green deployments, which may also be stated as A/B deployments require two identical hardware environments that are configured exactly the same way. While one environment is active and serving end users, the other environment remains idle.
Further Reading:
Book: The DevOps Handbook by Gene Kim, Jez Humble,Patrick Debois.
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