CA system's don't exist so it must be CP or AP. However, further consideration shows that CA is not really a coherent option because a system that is not

CA system's don't exist so it must be CP or AP. However, further consideration shows that CA is not really a coherent option because a system that is not Partition- tolerant will, by definition, be forced to give up Consistency or Availability during a partition. https://foundationdb.com/white-papers/the-cap-theorem https://foundationdb.com/white-papers/the-cap-theorem