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Software Maintenance Supported by Refactoring

In this paper a new maintenance scenario is outlined based on refactoring techniques. Specifically, refactoring techniques are classified according to two opposed program properties: understanding and efficiency. Understanding oriented refactoring disassembles the program preparing it for maintenance, whereas those oriented to efficiency rearrange it for running. Also, we show the challenges raised from this new perspective on maintenance. At present, this ongoing research is being carried out in the functional