This tutorial explains – What is Elastic IP ???? and how to attach elastic IP to EC2 Instance?. We will also discuss AWS Elastic IP vs Public IP so as to understand the Elastic IP better.
What is Elastic IP ?
Elastic IP address is nothing but a Public IP(IPv4) address provided by AWS Cloud and this Public IP address is static and easily attachable and de-attachable to any instance. You can attach or de-attach an Elastic IP any time(without shutting down instance) and to any Instance as per your need, and due to this flexibility AWS call this IP address as Elastic IP.
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