•Most programs….
–We used to say 95% of our
programs were getting data out of a file and putting it on the
screen or vice versa
–With the web, this is still
true
•Just more garbage in the
middle!
–Data access plays a central role
to this
•Presentation formatting is a
processor intensive operation on the web server
•Data access is an expensive
operation because the web server must communicate with
a separate system