There are two techniques to implement that , the first is enterprise compute architecture six - layer model that contain hnl ( hardware network layer ) , osl ( operation system layer ) , dbl ( database layer ) , asl ( application server layer ) , bfl ( business framework layer ) , bsl ( business system layer ) ; the second is business framework model which depart enterprise application system into many business components . the business components are independent and provide services to others through their consistent interface 前者说明了xerp系统的六个层次，分别是硬件网络层hnl 、操作系统层osl 、数据库层dbl 、应用服务器层asl 、业务框架层bfl和业务系统层bsl 。业务框架模型把企业的应用分解为许多业务组件，相当于erp中的功能模块，各业务组件之间相互独立，通过一致的接口对其它组件提供服务。
