Copyright 2002 by
Prentice Hall, Inc.
10-
17
How Can Legacy Systems be
Improved?: Options
n
5.
Replace with a package or service:
to
move an old application to a new
operating environment, e.g.
centralized to distributed, e.g., SAP
6.
Rewrite the system:
if too far gone to
rescue, obsolete technology; beware
of true cost and risk failure