What is IT infrastructure, and what are the stages and drivers of IT infrastructure evolution?

a) Define IT infrastructure from both a technology and a services perspective.

b) List each of the eras in IT infrastructure evolution and describe its distinguishing characteristics.

c) Define and describe the following: web server, application server, multitiered client/server architecture.

d) Describe Moore’s Law and the Law of Mass Digital Storage

e) Describe how network economics, declining communications costs, and technology standards affect IT infrastructure.