News flash: Private cloud economics can offer more cost efficiency than public cloud pricing structures. Private, or on-premises, cloud solutions can be more cost-effective than public cloud options, according to a report by 451 Research and Canonical. That conclusion counters the notion that public cloud platforms traditionally are more cost-efficient than private infrastructures. Half of the enterprise IT decision-makers who participated in the study identified cost as the No. 1 pain point associated with the public cloud.