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CSMA/CD Logic
Network Fundamentals / Ch. 3 - Fundamentals of LANs
| Detailed CSMA/CD logic |
|---|
| Step 1. A device with a frame to send listens until the Ethernet is not busy. |
| Step 2. When the Ethernet is not busy, the sender(s) begin(s) sending the frame. |
| Step 3. The sender(s) listen(s) to make sure that no collision occurred. |
| Step 4. If a collision occurs, the devices that had been sending a frame each send a jamming signal to ensure that all stations recognize the collision. |
| Step 5. After the jamming is complete, each sender randomizes a timer and waits that long before trying to resend the collided frame. |
| Step 6. When each random timer expires, the process starts over with Step 1. |
Created by:
k3ntucky
on 2010-05-01