You may have a global application that could scale across multiple data centers and traffic manager understands the best performing endpoints in terms of response time.
Windows Azure Traffic Manager is a load balancing solution that enables the distribution of incoming traffic among different hosted services in your Windows Azure subscription, regardless of their physical location. Traffic routing occurs as a the result of policies that you define and that are based on one of the following criteria:
In a nutshell, understanding the way Traffic Manager routes request is the key. We learned about how Traffic Managers addresses, network load balancing in terms of: