INTRODUCTION
Corporations have over the years, deployed a diverse mix of software and hardware applications to gain competitive advantage. Rapid advancements in IT, combined with evolving business needs, have resulted in contrasting IT environments across enterprises.
At one end of the spectrum are open architecture applications that leverage on the potential of the of Internet, while the other end comprises traditional, close-ended, legacy software. corporate data still resides on legacy Some market research estimates indicate that more than 70% of systems. Hence the successful management and re-deployment of legacy systems to meet tomorrows business needs is the major challenge today.
This white paper will help organizations understand the issues involved in effective management of existing legacy systems.
LEGACY APPLICATIONS
DEFINITION
A legacy system typically consists of large applications that access voluminous data stored in legacy database management systems running on mainframes or mid-range platforms.
These systems made economic sense when they were developed. The functionality of these systems...