TCP/IP:
1. What was the most significant lesson you learned from the paper?
2. What was the weakest/most questionable part(s) of the paper or how could the paper be improved?
3. It's been another 15 years since Bellovin's "Look Back".  What is the biggest thing Bellovin missed about network security today?

4. Optional: What topic would you most like to see discussed in class, or question you would most like to have answered, if any?