A. For each of the two papers:
1. Write a one-paragraph summary of the paper.
2. What did you like about the paper?
3. What you didn't like about the paper?
4. Comment on one thing you think is particularly worth noting and/or discussing about the paper.
B. Discuss what you think are desirable security/privacy features to have for multi-tenant clouds (e.g., Amazon EC2). What do you think are the main challenges in achieving these features, and what are potential ways to overcome these challenges?