Nice way of explanation Rachel!
I have quick question; does it mean that I can continue hosting my site on 2 different servers

As you said,
Quote:
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Since you have the website running on both servers, you should have no downtime as the website keeps resolving from either of the servers.
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So, if I need traffic to my site from the UK and the US, can I host my site on the servers, one in the UK datacenter and other in the US datacenter

Hope I am able explain what I am trying to get from this