APM is part of a contemporary approach tomodernization and rationalization that moves organizations from tactical one-off decisions about modernizing an application or small groups of applications to making strategic decisions in the context of how well the portfolio suits current and future business plans. At its essence, APM strives to provide transparency into the key business functions an application supports and its health and viability. That brings insight to IT and business leaders, allowing them to make more strategic decisions about application investments and sourcing.