Medium Access Control: Stochastic Methods - CSMA
Understand how Carrier Sense Multiple Access (CSMA) improves network efficiency by managing channel access. Learn how persistent and non-persistent CSMA variants operate and compare their performance to ALOHA protocols. This lesson equips you with knowledge of fundamental MAC techniques to optimize data transmission in network environments.
We'll cover the following...
Carrier Sense Multiple Access (CSMA)
Why CSMA?
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ALOHA and slotted ALOHA can easily be implemented, but using them in anything but a lightly loaded network will be extremely inefficient. Designing a network for a very low utilization is possible, but it clearly increases the cost of the network.
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To overcome the problems of ALOHA, many Medium Access Control mechanisms have been proposed which improve channel utilization.
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Carrier Sense Multiple Access (CSMA) is one of these and is a significant improvement compared to ...