ODS的数据来源于周边的各个数据源系统，如CRM、计费、服务开通、10000号等业务系统。数据源通过数据整合层的抽取转换加载到ODS运营数据层中，形成统一的企业基础数据。ODS通过数据应用层的内部应用，可以实现跨域报表、数据质量管理的功能；通过数据共享层可以给周边的应用系统提供数据共享的接口，同时，也可以基于ODS的数据共享层构建跨域应用-ODS data from all data sources around the system, such as CRM, billing, service provisioning, No. 10000 and other business systems. Data sources collected by the data integration layer of the data conversion operation is loaded into the ODS layer to form the basis of unified enterprise data. ODS through the application of the data within the application layer, can achieve cross-domain reporting, data quality management function　through the sharing of data layers can be applied to the peripheral interface system provides data sharing, also can be based on ODS layer build cross-domain data sharing application