- AMI is region specific since they are stored in S3, AMIs are basically ec2 config + its volume snapshots
- No-Reboot - AMI is taken as the instance is running, Not Application consistent
- Delete-on-termination
- Data cached by application or os might not be stored in ebs snapshots as it only cares about what stored in disks
| EBS Backed | Instance Store backed |
|---|---|
| Supports Start/Stop | No Start/Stop |
| Data kept in EBS | Data loss at restart |