1. Introduction To understand Application Portfolio Rationalization (APR), we need to understand what is Application Portfolio Management (APM)? APM is akin to Financial Portfolio Management but it is applied to inventory of IT applications / systems present in an enterprise or segment of business within the enterprise. “In many organizations, applications are deployed and then run forever leading to an endless proliferation of IT systems that is not sustainable. The practice of adding new software applications without retiring old ones will eventually cause the entire IT budget to be consumed by the maintenance and operations burden of legacy applications.” – Burton Group To avoid the condition described above, Application Portfolio Management function is required. Application Portfolio Rationalization (APR) is a means of APM. APR needs to be undertaken periodically for a sound APM. APM is performed in two ways as suggested by Wikipedia, “There...
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