You need it to jump around because your RDS database might fail over to a different AZ.
Being able to move workloads around is kinda the point. The need exists irrespective of what you use to deploy your app.
Being able to move workloads around is kinda the point. The need exists irrespective of what you use to deploy your app.
Any hostname for a service in AWS that can relocate to another AZ (for whatever reason), can use this.