legacy system


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Related to legacy system: Legacy software

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An old, slow, or out-of date computer system.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 ?
When waiting will not do, wrapping is not affordable and renovation is too little gain for the effort, it may make sense to totally replace the inadequate legacy system with a new system.
This viewpoint considers the cost of opportunities lost when a legacy system cannot support a desired business opportunity, thereby preventing an organization earning from that business opportunity.
Creating envelope or "middleware" for your legacy system is more complicated than relegating.
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.
Almost 1/3 of IT spending in 2003 will go maintaining and updating legacy systems
You didn't have a deliberate, proactive process to maintain, renew, and replace your legacy systems.
Insurers nationwide, both large and small, are conducting business on aging legacy systems that are doing the job for now, but aren't sophisticated enough to allow the industry to meet the challenges of the next decade.