Best practices for redundant systems in multiple data centers
How build your system to be able to automatically fail-back to another data center if one fails: how to structure your program, data and communication flows.
Bart Verkoeijen commented
What if a data center is affected by a horrible disaster, and all your data is lost. Think of the Japan earthquake or Amazon's cloud outage.
What should you have prepared in your architecture, code, data models, api's and connections, for your application to be able to utomatically fail-back to another data center?