CSMA/CD
Carrier Sense (CS):
- Listen to the bus to see if another computer is transmitting
- Transmit when no one is transmitting
Multiple Access (MA):
- All computers have access to the network medium
Collision Detect (CD):
- Declared when any signal other than its own detected
- If a collision is detected
- Wait a random amount of time and then resend it
- Must be random to avoid another collision