CATA has also introduced the concept of decentralized database which is different then traditional databases used till date. CATA has introduced the concept of HDFS and Hadoop in designing its distributed system. The solution proposed in there paper is not implemented till date and it will be the first project to implement such thing.
this is really big but not sure whether they have such team to build such a huge project. We have seen similar type of claims in the past but very few come up with implementation.