14.3 Summary

Many forms of reengineering can be applied to the modernization effort before beginning the architectural transformation effort. Many of these techniques may be perceived as beneficial to the overall process. However, the benefit of these changes must be carefully weighed against the cost and schedule implications. This is especially true when multiple reengineering efforts are being considered , because this often causes diminishing returns. In the final analysis, you must remember that the legacy system will eventually be replaced , and any improvements made to it will become irrelevant. The focus must remain on reducing the cost and schedule associated with accomplishing the end goal of the modernization.