MySQL on RDS has its pros and cons. Only your organization can decide if the solution meets your needs. Migrating from a traditonal MySQL database to RDS may not be a simple task.
Generating meaningful hostnames without human intervention.
1. Distributing code to autoscaled EC2 instances without user interaction .
2. Launching new instances with the current code release.
If you’re using s3 behind a VPC NAT connection, you may find that some files fail to download completely.