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For that matter, we all know old wine and old friends are the best.
Additionally, legacy systems usually have vast amounts of documentation as well as a number of undocumented features.
So, there is always a certain risk involved when interfering with the source code. Just like software itself, the underlying infrastructure becomes harder and more expensive to maintain as it ages.
Gathering and systematizing legacy data manually to further transfer it to a new database is a time- and cost-intensive task. Depending on obsolete technologies, the legacy system support and maintenance requires a specific set of skills and expertise.
While the developers who have built the software might retire or switch to other technologies, it becomes increasingly harder to find and retain the right talent.
Although the IRS did not specify what went wrong, the fact that many of their IT systems are outdated – two of them being nearly six decades old – might have contributed to the IRS crash.
However, a legacy system is not always defined by its age.As defined by Gartner, legacy application is “.” A number of examples of such legacy systems can be found across some major federal organizations.For example, on Tax Day 2018 the Internal Revenue Service faced technical problems that prevented the IRS from processing electronically-filed tax returns.According to estimates, the US Federal government plans to spend more than 80 percent of the IT budget on Operations and Maintenance.This spending mainly includes aging legacy systems, which pose efficiency, cybersecurity, and mission risk issues.Dedicated staff training might be an even bigger source of expense.Modern software platforms often rely on third-party APIs to access a few capabilities, such as geolocation, user authentication, data sharing, and transactions.Dining at a fancy restaurant, you want to spend some quality time, enjoying tasty food and drinks.When choosing the latter, the chances are, you will prefer a glass of good wine, the older the better.Obviously, your current computer is more powerful and more capable than the one you owned 10 years ago.Similarly, the business you run is not the same as it was when you started it. But the technology is not as dead as you might have thought.