Realizace rozhraní e-commerce systémů v moderním podniku[The implementation of e-commerce systems interfaces in recent companies]

E-commerce as an aggregation of activities concerning trading and rendering service to customers using internet is important for firms of all size to preserve competitiveness in global markets However, introduction of e-commerce means also introduction of new business models. To incorporate new business models into existing company structure is not easy. The paper deals with principles of e-commerce preparation and introduction in a company. Due to crosscutting impacts of e-commerce deployment a careful analysis based also on value chains leading to business application patterns is recommended. From the actual architecture point of view, an e-commerce portal as general interface between company ERP system and external environment seems to be the best solution. Proposed architecture is illustrated by an example of e-commerce portal connection to Microsoft Dynamics NAV system in a real company.