Carrier Sense Multiplex Access/Collision Detect

 

Hi Folks,

Ethernet as said is the most revolutionary technology for last few decades, back to old days when network was evolving and speed  hitting gigabyte was a dream at distant. Networks were running at 10 Mbps and organisation computers competing with each other for bandwidth, we have this CSMA/CD technology for transmitting data and sensing collision for better and reliable communication.

As per definition a collision domain is a network segment where shared access media is permitted. Devices on shared media access  must compete for access when transmitting data.

CSMA/CD technology works with half duplex data transmission. Refer to flowchart above following are the steps a PC go through while transmitting data in half- duplex environment.

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