AWS site level setup

Explaining the requirements clearly here: We use: 1. windows 2008 R2 std edition. 2. windows IIS for hosting our webservices and IIS FTP services . 3. different folders for each customer and we transfer files both ways via FTP service . 4. hosted 8 sites in one base box with 8 public IP’s. 5. customized tools to upload to FTP and users access the ftp via filezilla , cuteftp , browsers. 7. customized softwares for our operations . 8. MS-sql express edition as a backend database for our customized tools. 9. customized tool like Tetrafe , EPT , EPDS ,correctonline .We upload the file to FTP and generate a link and send the link via email to our clients .Users use this link to download the files . 10. We have our company website configured in the same VM 11. smtp spoofing email services and smtp service to send emails via our customized software . You can visit us and study the workflow... Exact need is: 1. Design a infra-structure solution for Website ,FTP and storage for FTP operations with automatic DR option in AWS . 2. Automatic Backup / snapshot and recovery of files in FTP and applications hosted in IIS in EC2 . 3. If automatic DR option is not available for these , suggest a solution considering all points of failures with their work around and estimated time of recovery with respect to each component .