Amazon recently announced a new feature to copy the AMIs over regions. It makes replication very easy process. You have to
create Linux AMI or
Windows AMI of your instances. Then copy it to other regions in case if the current region goes down you can run your site/application from other regions. I have explained how to create AMIs of Linux and windows in previous posts. Also the
replication of AMI. But this feature makes it very easy.
In this example we will show how to copy an AMI from North Virginia(US-East) to Oregon(US-West):