中文摘要：

To cope with the impact of big data,it is proposed to integrate the traditionally individual computing,communications and storage systems,which are getting inevitably converged.An effective information system capacity is introduced and discussed,aimed at excavating potentials of information system under a new paradigm with more degrees of freedom.

英文摘要：

To cope with the impact of big data, it is proposed to integrate the traditionally individual computing, communications and storage systems, which are getting inevitably converged. An effective information system capacity is introduced and discussed, aimed at excavating potentials of information system under a new paradigm with more degrees of freedom.