Copyright 2002 by
Prentice Hall, Inc.
10-15
How Can Legacy Systems be Improved?: Options
4.Rejuvenate the system: adding new functions
to a reengineered system to make
it more valuable. Phases of rejuvenation
process:
nRecognize
a system’s potential - first clean up existing system using code restructuring
tools and then building from there
nClean
up the system - transform the poorly structured COBOL code
into more structured, maintainable code