title: Postgres Instance on RDS vs Aurora
body: <p>I am looking at either setting up Aurora Postgresql or RDS Postgresql instance in AWS. </p>
  
  <p>I would like the db instance to be running in 2 different regions and would like real time replication to be set up. I would also like no downtime for rehydration / patching etc. </p>
  
  <p>Based on what I have read / discussed with colleagues so far , I am under the impression that Aurora Postgresql is the option to choose because RDS needs few minutes of downtime for rehydration and Aurora supports realtime replication of db instance across different regions. </p>
  
  <p>Is my understanding correct and are there any other factors that I should be aware of?</p>