Problem scenario
You want to design a system without a single point of failure. How can you ensure a load balancer is not a single point of failure?
Solution
Have DNS route to two or more load balancers. DNS does not know the back-end servers’ or pods’ health statuses, according to a StackOverflow.com posting. Therefore you would want to configure the TTL governing the networking of the DNS to be short to ensure DNS services are aware of a web server that is down (according to a Quora posting).
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