anchor.diff:  * Kill Bill server and KAUI server instances subnets: `192.168.64.0/18` (zone `1e`) and `192.168.192.0/18` (zone `1b`)
   * RDS subnets: `192.168.128.0/18` (zone `1e`) and `192.168.0.0/18` (zone `1b`)
   
  -=== CloudWatch Integration
  +== CloudWatch Integration
   
   Our AMIs come pre-configured with CloudWatch integration to allow for better diagnostics. Below is a screenshot of the metrics that come for free:
   
  
positive.code: 
  For installation support along the way, reach out to `support@killbill.io`.
  
  === Configuration Options
  
  The installation supports the following configuration options:
  
  
negative.code: ```
  
  
  == Upgrade Steps
  
  === Newer AMIs
  
  
  The Kill Bill core team will provide new AMIs whenever necessary.
  