Layered Approach Assignment | Homework For You
HW# 1CS441-CSUEBSpring 2019Q1. Using the layer models in Figure 1, describe the ordering and delivery of a pizza, indicating the interactions at each level.
Q2. a. The French and Chinese prime ministers need to come to an agreement by tele- phone, but neither speaks the other’s language. Further, neither has on hand a translator that can translate to the language of the other. However, both prime ministers have English translators on their staffs. Draw a diagram similar to Figure 1 to depict the situation, and describe the interaction at each level. b. Now suppose that the Chinese prime minister’s translator can translate only into Japanese and that the French prime minister has a German translator available. A translator between German and Japanese is available in Germany. Draw a new diagram that reflects this arrangement and describe the hypothetical phone conversation.
Q 3. List the major disadvantages with the layered approach to protocols.
Q4. Two blue armies are each poised on opposite hills preparing to attack a single red army in the valley. The red army can defeat either of the blue armies separately but will fail to defeat both blue armies if they attack simultaneously. The blue armies communicate via an unreliable communications system (a foot soldier). The commander with one of the blue armies would like to attack at noon. His problem is this: If he sends a message to the other blue army, ordering the attack, he cannot be sure it will get through. He could ask for acknowledgment, but that might not get through. Is there a protocol that the two blue armies can use to avoid defeat? Get Networking homework help for you today
