Analysis of information sources in references of the Wikipedia article "CAP theorem" in English language version.
In February 2012, Eric Brewer provided an updated perspective on his CAP theorem ... Brewer now describes the "2 out of 3" axiom as somewhat misleading. He notes that designers only need sacrifice consistency or availability in the presence of partitions, and that advances in partition recovery techniques have made it possible for designers to achieve high levels of both consistency and availability.