Many enterprises are realizing that older systems still provide value. Thus legacy modernization strategies are better off focusing on coexistence rather than all-out migration. However, every organization’s legacy context is different, as are its business goals. As a result, there are a plethora of migration, modernization, and coexistence scenarios, each with its own pros and cons. IT leaders must now understand the breadth of options open to them in order to make the right decisions about how to deal with legacy systems and applications.
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