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system is an old method, technology, computer system, or application program, of, relating to, or being a previous or outdated computer system..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.
The heart of the OIS is the vertical integration of the Navy's legacy wholesale ammunition management application, the Conventional Ammunition Integrated Management System (CALMS) and the legacy retail system, the Retail Ordnance Logistics Management System (ROLMS).