How to Cope With Cloud Crashes
The folks at LearnBoost, a free classroom management suite of online tools, have blogged last month about how they use MongoDB among other things to help them replicate in the cloud to prevent exactly the same sorts of outages that hit Quora and others when Amazon’s Web Services went offline.
Guillermo Rauch writes that LearnBoost didn’t suffer any downtime, largely because they took some care to build in redundancy to their apps and cleverly
replicated their data across different Amazon regions and data centers…

