legacy system

(redirected from Legacy application)
Also found in: Thesaurus, Medical, Legal, Encyclopedia.

legacy system

An outmoded computer system that is still in use.
References in periodicals archive ?
Advanced virtualisation concepts, such as workload movement, cannot be performed on legacy applications, so in some cases, there may not be much value in virtualising the legacy application.
"Sodifrance has a long history of understanding and transforming legacy application assets, especially those written in COBOL," said Yves Lennon, CEO of Sodifrance.
Begin with simple services such as "get credit report" that multiple departments can benefit from or the exposing of legacy application functionality as services to reduce integration costs and extend the life of existing systems.
Under this partnership, Fujitsu will provide EDS with its PRIMEQUEST mainframe-class mission critical open system IA servers for deployment for the partner's hosting service and other solutions including legacy application migration.
For example, the solution had to provide field-by-field, server-side validation on Web forms to provide the client-server-like functionality that users expected from the legacy application. To meet this need, all data calls between the client and server are passed in XML, which eliminates the need to do server-side form validation and provides users with instant feedback on their data input.
An SSL VPN appliance makes client/server applications available to remote users through the Web, allowing companies to leverage their existing legacy application infrastructure without costly application re-development or installing and configuring remote PCs.
"I can say the biggest challenge MTMC has is moving from a 30-year-old legacy application and adapting a new commercial, off-the-shelf software solution," DeCelles said.
As discussed by Nassif and Mitchusson [9], the migration of a legacy application to new technology can be a difficult task.
com) One ECM system--such as SharePoint, Exchange, OpenText (opentext.com) and legacy application repositories--into a single, searchable interface.
Failure to Define a Strategy: Implementing short-term tactics to solve a problem is not a "strategy" but, unfortunately, it is a way to weigh the enterprise down with another legacy application. Defining an availability strategy is a natural extension of identifying downtime costs and understanding interdependence.
Following the company-wide migration to the SAP R/3 ERP system, the division sought to eliminate the duplication of data and process inefficiencies caused by the continued use of the Legacy application, which was retained to meet specific operational requirements not supported by SAP.