multivariate regression

[spShashankGit]

1. What is multivariate regression?
2. When to use it?
3. How is it more effective then Linear Regression?
4. When not to use multivariate regression?
5. Can we quantify What is a circuit breaker pattern? #3, How do you handle the failure when downstream system is down? #4 and How do you handle the failure when source system is down? #5?