Evaluating Apache Cassandra as a Cloud Database by Roberto Zicari · Published November 1, 2011 · Updated February 16, 2014 DataStax white paper. DOWNLOAD (PDF)
DataStax Enterprise Reference Architecture June 5, 2014 by Roberto Zicari · Published June 5, 2014 · Last modified February 12, 2015
NoSQL Database Technology March 1, 2011 by Roberto Zicari · Published March 1, 2011 · Last modified February 16, 2014