Electronic Commerce is all the rage these days. Current challenge of Electronic Commerce for suppliers is to allow building dynamic supply link and to meet various and wide needs for the customers, furthermore to build more reasonable electronic market places at run time. In this article, we aim to provide a common reference infrastructure contains an instantiation of the ISO 7 layer model for Electronic Commerce and uses modern software engineering design paradigms. A way of identifying distributed building primitives for large-scaled integration and multi-enterprise transactions is shown.