How it works...

Load balancers provide better high availability, keeping a service active even if one of the services in the backend pool fails. If a region fails, load balancers can't provide help because they are limited to a single region. We must provide another set of resources in another region to truly increase availability. But these sets will be completely independent and will not provide failover unless we include Traffic Manager. Traffic Manager will become the frontend, and we will add load balancers as the backend endpoints of Traffic Manager. All requests will come to Traffic Manager first, and then will be routed to the appropriate load balancer in the backend. Traffic Manager will monitor the health of the load balancers, ...

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