IT application maintenance is almost as crucial as software development itself. The ability to tap into the potential of the software, it is very important that the software is maintained properly and is readily available for the use.
The other important aspect is that it software is continued to evolve as the business needs grow. There are various instances where the software maintenance is an ongoing process in which the software is continuously enhanced.
In either case IT application maintenance needs strong technical support. Considering these needs, as well as cost factors, software maintenance outsourcing is a common practice.