legacy application


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legacy application

An application that was written for an earlier operating system or hardware platform. For example, mainframe applications were legacy apps when the world embraced client/server networks. Windows 3.1 applications were legacy apps when Windows 95 was introduced. Windows 7 applications running in Windows 8 are called legacy apps.

Any business software that is not Internet enabled in some form is sometimes considered a legacy application.

They Hang Around
Although many are eager to embrace the newest and latest, there is an investment in older software, which is sometimes substantial. Legacy applications tend to remain in use far longer than anyone predicts. In some cases, they thrive, such as mainframe applications. Even DOS applications are running today under 32-bit versions of Windows (see XyWrite). See legacy system.
References in periodicals archive ?
There is, however, some skepticism about moving their legacy applications into virtual environments," says Rajesh Abraham Chacko, Head of Product Development, eHosting DataFort.
Today's leading SSL VPNs take this approach one step further, by consolidating three application-access technologies into a single application-layer gateway device: Clientless, browser-based access to remote legacy applications Secure intranet access to Web-based applications and portals Desktop access for client/server applications over SSL tunneling
The undeniable benefit of screen scraping is that the legacy application does not require any changes whatsoever.
* The increasing complexity and interdependency of both hardware and software architectures characterized by various best-of-breed and legacy applications interacting across mixed platforms and databases in an inter-dependent enterprise, which increases the risk in component and therefore system failure.
Figure 1 illustrates a three-tier small to mid-size enterprise (SME) architecture where legacy application servers (and clients) with DAS co-exist with database servers attached via Fibre Channel (SAN).
Constellar believes the next wave of EAI opportunities are focused on building out solutions that encompass each of the industry's core services which are currently focused on discreet offerings for messaging, packaged application integration, data warehousing and legacy application integration.
Two of the most common approaches are re-engineering the business process first and then redesigning the application, and replacing the legacy application with packaged or externally developed software.
Provider of legacy application migration solutions Firefly Migration announced on Monday that it will start work on a large-scale conversion of broadcast mission critical systems for television service provider British Sky Broadcasting (Sky).
Mantra provides services in the areas of custom web application development, mobile application development, application maintenance, legacy application migration, application testing, and technology staffing.
One architectural decision that will increase simplicity would be to standardize on a single type of connector from the server to the legacy application. Otherwise, using a different connector to each type of legacy application will increase complexity and put an additional drain on your IT personnel.