© Thomas Kunz 2000
SCE 574
11
How big are systems?
äExamples
of system sizes
äNORTEL telephone switch 10 Million Lines of Code (Real
time/Transaction processing)
äsize keeps growing: as of Fall 1998, I was given a number of 30
Million Lines of Code by one of the Nortel developers
äIBM Canada C++ Compiler Suite 1 or 2 Million Lines of
Code depending on how many tools you include (General purpose + support for real
time)
äNeed
well organized groups and repeatable development processes to build and maintain such
software (Software Crisis, Software Engineering)