SAP joins its applications with the Internet world in release 3.1 (1996) by means of the Internet Transaction Server (ITS). This server combines Internet technology with R/3 technology, enabling reliable access to SAP transactions from the Internet and from intranets. ITS uses the following:
SAP GUI for HTML (ITS 4.6DC4 or Higher), which dynamically converts R/3 transaction screens to HTML pages.
Web Transactions, which enables HTML pages to call R/3 transactions.
WebRFC, which enables HTML pages to call R/3 function modules.
WebReporting, which links SAP reports and pregenerated lists from an HTML pages and links to the Web Reporting Browser that displays R/3 report trees. Web Reporting is a special-case WebRFC. ...