Writing a distributed database is pretty challenging. That's part of the reason I started a NoSQL company some time ago. Unfortunately it failed due to lack of

Writing a distributed database is pretty challenging. That's part of the reason I started a NoSQL company some time ago. Unfortunately it failed due to lack of funding, but if you're interested, here's a technical write-up: http://arxiv.org/abs/1302.3860 http://arxiv.org/abs/1302.3860