Overview
1)
What happens when we place the authentication system in our demilitarized zone (DMZ)—that is, in the layer closest to the Internet? What do we have to do to protect the authentication system? Does this placement facilitate authentication in some way? How about if we move theauthentication system to a tier behind the DMZ, thus, a more trusted zone? What are the implications of doing so for authentication performance? For security?
2)
Briefly respond to all the following questions.
System architecture is the descriptive representation of the system’s component functions and the communication flows between those components.
My definition immediately raises some important questions.
• What are “components”?
• Which functions are relevant?
• What is a communication flow?