SSI FQHN Service
Simple System Integration (SSI) in SAP Focused Run provides a service to individually map hosts to hostnames, other than the full qualified hostname (FQHN) stored in the LMDB. The SSI FQHN Service makes use of SAP Enhancement Framework, especially the Business Add-In (BAdI).
This document presumes that the reader / implementer has sufficient familiarity with the concepts of SAP ABAP Business Add-In (BAdI). The above links (from publicly available standard SAP documentation) provide relevant background information. This document only details the relevant BAdI to be implemented.