What is the primary difference between blue-green deployment and rolling deployment?

What is the primary difference between blue-green deployment and rolling deployment?
A . Blue-green deployment requires manual intervention, while rolling deployment is fully automated
B . Rolling deployment switches traffic between two versions, while blue-green deployment keeps both versions running simultaneously
C . Blue-green deployment is suitable for small applications, while rolling deployment is ideal for large applications
D . Rolling deployment is slower than blue-green deployment in terms of releasing new features

View Answer

Answer: B