Why can't I create an Alias Resource Record Set for an EC2 instance
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Published on 2014-05-27T16:41:45Z
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2014/05/27
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I have been working with AWS for over a year, setting up EC2 instances, domains, ELBs, etc.
When I want to assign a subdomain to an EC2 instance, I have to create an elastic IP (that I pay for), then assign a CNAME record to that elastic IP.
When I want to assign a subdomain to an ELB (load balancer) instance, I just create an alias resource record set to the ELB.
I've read over the docs and don't understand why AWS doesn't support aliasing to instances. Am I missing a key concept here? Wouldn't it be simpler to just alias EC2 instances and skip the whole elastic IP bit?
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