legacy system

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Related to Legacy systems: Legacy software, Legacy technology

legacy system

An obsolete computer system centred around a mainframe platform which is not worth the cost of upgrading or salvaging. As enterprise modernises hardware, IT departments may be forced to integrate legacy system data, which can be logistically difficult, since obsolete software was often custom written by people who left the institution.

legacy system

(leg′ă-sē) [L. legatia, office of deputy]
An old, slow, or out-of date computer system.
References in periodicals archive ?
Though some skeptics might describe wrapping as putting lipstick on a pig, wrapping can, in fact, extend the life of legacy systems.
NAYLOR: A customer's decision to replace a legacy control system typically revolves around increased cost of ownership to continue to service and maintain the older legacy system, the need to be able to do more with their system in terms of plant performance and third party application integration, and a recent trend by vendors to declare their legacy systems "end-of-life" forcing customers no alternative but to replace their older system with a newer one.
64% of finance departments plan to replace their legacy systems with new ones to meet the requirements of the Sarbanes-Oxley Act
That means you have a huge (and growing) investment in your ever-depreciating legacy systems, not only in terms of hardware, software, and networks, but also in terms of people.
However, most firms are using a "blending and sorting out" philosophy, in which they limit training to selected staff, usually those with high potential; use contractors for major projects; hire experienced external personnel; and focus some of their existing staff on legacy systems.
Client applications can query and update legacy systems by sending requests for services to Enterprise/Access.
Frontlink offers an open architecture designed to integrate easily with mainframe and legacy systems, data warehouses, or other back-office systems.
Or, if a third-party solution isn't available, WebSphere itself has tools that allow the company to "screen scrape," or capture data from the screen of legacy systems, said Steve Carrier, integration architect for Allstate.
After Pittsburgh-based Highmark Life & Casualty reviewed its technology as a part of assessing its toehold against the competition, it realized it had too many legacy systems splicing information together.
The biggest names in software, including BEA and Microsoft, use iWay adapters to simplify access to ERP and CRM systems, messaging, legacy systems, e-business protocols like AS2 and ebXML, and more.
The impending NPI requirement will be a huge problem for healthcare organizations whose legacy systems lack accurate and complete provider data," said Sean Downs, Enclarity's president and CEO.
The ability to distribute drawings and models through the Internet has increased the utilization of our legacy systems, so we could immediately begin reducing expenses and increasing productivity, allowing us to stay more competitive in our market.