This report discusses the various e-business applications and systems in the e-procurement   market. It presents an overall e-procurement technology (IT) architecture and delves into the   functions and features of the various e-procurement tools corresponding to the e-procurement   channels and methods of e-procurement. These applications and systems include transactional e-   procurement software, e-sourcing software, e-procurement analytics, e-procurement supplier   systems and backend/ERP systems. This report also discusses the ancillary IT and
  e-business applications that are necessary to support a functioning e-procurement system. These   applications and systems include EDI, various payment systems, content management applications,   and business process integration software. The report discusses all such applications and systems   in the context of an overall e-business and e-procurement systems architecture.