1. Amazon, “Summary of the Amazon DynamoDB service disruption and related impacts in the US-East region.” https://aws.amazon.com/message/5467D2/ (2015).
2. Google, “Google compute engine incident #16007.” http://status.cloud.google.com/incident/compute/16007 (2016).
3. The network is reliable;Bailis;Queue,2014
4. High throughput Byzantine fault tolerance;Kotla,2004
5. Increasing performance in Byzantine fault-tolerant systems with on-demand replica consistency;Distler,2011