This is Part 3 in the Replacing the AWS ELB series. Replacing the AWS ELB - The Problem Replacing the AWS ELB - The Challenges Replacing the AWS ELB - The Design (this post) Replacing the AWS ELB - The Network Deep Dive Replacing the AWS ELB - Automation Replacing the AWS ELB - Final Thoughts So how do you go about using an IP address in a VPC and allow it to jump between availability zones?