Question: Medium Access Control (Questions) The objective of this exercise is to explain in your own words the evolution from Aloha to CSMA/CD. Explain how they

Medium Access Control (Questions)

The objective of this exercise is to explain in your own words the evolution from Aloha to CSMA/CD. Explain how they differ and how each newer protocol improves the previous one: describe each one how it works and provide its performance, then contrast it with the protocol it improves.

a) (25 points) Briefly describe (Pure) Aloha protocol. Provide its channel utilization (efficiency) and discuss it

b) (25 points) Briefly describe Slotted Aloha protocol. Stress on the difference from Pure Aloha. Provide its channel utilization (efficiency) and discuss it.

c) (25 points) Briefly describe CSMA. Stress on the difference from Aloha

Q2: (25 points) What is the purpose of collision detection in CSMA/CD?

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