legacy

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legacy

[leg′əsē]
Etymology: L, legatum, bequest
something that is handed down from the past or intended to be bestowed on future generations.

legacy

Informatics
Referring to a computer system with an expired tenure which left behind a “legacy”—usually negative.
References in periodicals archive ?
The team is consolidating the services carried on FAA legacy networks including the Leased Interfacility National Airspace System (LINCS), the Data Multiplexing Network, the Bandwidth Manager, and the National Aviation Data Interchange Network into an integrated telecommunications infrastructure.
Ethernet looks set to become the main alternative to legacy networks with 89% of survey respondents stating that they would consider Ethernet for their wide area networks.
The time has come to bring Service Oriented Architecture to Telecom service delivery, and to realize the vision of flexible services that leverage existing assets in legacy networks and new assets in IMS networks," said Benjamin Renaud, senior director, BEA WebLogic Communications Platform, BEA Systems.
As the infrastructures utilized to deliver triple play, business data and 3G wireless services become increasingly Ethernet and MPLS-centric, service providers continue facing the challenge of maintaining a profitable mix of new and legacy networks and services.
Carriers that roll out VoIP networks can use Convergin's SCIM capabilities to deliver the same services as in their existing legacy networks.
The Open, Reliable Communications Architecture (ORCA) product portfolio helps carriers and cable operators worldwide migrate from legacy networks to next-generation VoIP networks.