Copyright 2002 by
Prentice Hall, Inc.
10-7
How Can Legacy Systems be Improved?: Options
1.Restructure the system: Applicable to systems
that are basically doing the job
but run inefficiently or “fragile.” Seven
Steps in restructuring:
A.Evaluate the amount of structure in the
current system - number of layers of nesting, degree of complexity,
etc. Use tools to trace program control logic.
B.Compile the program, to be sure it is in
working order