CS 6650 Scalable Dist Systems
Homework #5 [100 points]
INSTRUCTIONS: Please provide clear explanations in your own sentences, directly answering the question, demonstrating your understanding of the question and its solution, in depth, with sufficient detail. Submit your solutions [PDF preferred]. Include your full name. Do not email the solutions.
1. Security Engineering Ch. 11 please answer
11.2 [5 points]
11.3 [10 points]
11.9 (please ignore the last sentence – parallel processor enhancement part) [10 points]
2. Multimedia Apps Ch. 20 please answer
20.2 [5 points]
20.3 [10 points]
20.4 [10 points]
3. Ch 18 Rplication [25 points]
a. 18.1
b. Study only pages 2 to 7 of the IBM Redbook
IBM High Availability Solution for IBM FileNet P8 Systems
Define Availability.
For a typical web app cluster (Web server, App server, Db server) with Active-Active redundancy using a total of 6 servers (2 replicas of the same web cluster), explain how Availability calculations are made and how HA can be achieved. Show your calculations.
4. Ch 19 Mobile computing [25 points]
a. 19.1
b. Consider the Uber car hiring platform. In this context, what is adaptation? How is it used in the overall design and what problems/requirements is it addressing?
