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Compare CSMA-CD and CSMA-CS protocols.
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No. CSMA/CD CSMA/CS
1 Carrier sense multiple access with collision detection Carrier sense multiple access with collision avoidance
2 CSMA/CD is standardized in IEEE 802.3 802.11b uses CSMA/CA MAC protocol
3 It act as interference between the logical link control sublayer and the network’s physical layer. It is protocol to implement the distributed coordination function(DCF) of the MAC sublayer.
4 Collisions detected within short time RTS/CTS is used to avoid collisions.
5 If a collision is detected, the station aborts the transmission and sends a jamming signal to inform all other stations that a collision has occurred. Use of RTS/CTS can be enabled or disabled depending on the traffic load(probablility of collisions).
6 This protocol is the basis of classical Ethernet LAN. Used in a network where collision cannot be detected.,Eg. Wireless LAN
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