A demarc extension is the process of connecting your organizationâs network to a data lineâsuch as a T1, DSL, or POTSâprovided by the telephone company or another vendor.
Legacy system. In computing, a legacy system is an old method, technology, computer system, or application program, of, relating to, or being a previous or outdated computer system.. Often a pejorative term, referencing a system as legacy means that it paved the way for the standards that would follow it.
Starting with LSMW (Legacy System Migration Workbench) INTRODUCTION. Legacy System Migration Workbench or LSMW is SAP standard program that can be used to easily load / change master data or transactions in SAP without any programming at all.