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Posted by Phil Murphy on April 28, 2010
So you need to formulate an application modernization decision -- what to do with a given application -- how do you begin that decision making process? In the past, modernization decisions were often simply declared -- "We are moving to this technology" -- for a number of reasons, such as, it:
Fast-forward to today -- you could simply go with your gut -- declare a solution based on what you currently know (or think you know) about the application in question. But it's a new day baby -- a proposal like that, without proper justification, is likely to be met with one of two responses from management:
So you now realize you need to assess your applications to build an information base that will both guide your decision and satisfy the probing questions of management. To keep things simple, let's focus on just one application. To answer some of the questions posed by management you'll have to assess the application's current state from many perspectives. In no particular sequence, the perspectives will include questions such as:
While the list above isn't exhaustive, it shows how little most of us know about our applications. We haven't even noted the questions that arise when we begin to consider our modernization options -- questions like:
Going back to the categories of questions we asked to build an information set on which we may base modernization decisions -- what else would you add, subtract, highlight, or diminish in importance? What matters most when you're assessing the fitness and viability of your applications?
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