Discussion on Construction Mode of Provincial Data Center of Tobacco Commerce

By reviewing the development course of tobacco commercial information technology and the concept of data source,5 construction modes(including totally centralized mode,two-level data center mode,distributive application system mode,distributive data source mode and centralized data source mode) of provincial data center of tobacco commerce were proposed from the angles of technology and application.The necessity,merits and demerits,and application environment were also analyzed.