Explain STOP & WAIT ARQ.

Question

07 Mar 2024

Answer :

Word Count : 709

STOP & WAIT Automatic Repeat reQuest (ARQ) is a flow control method used in data communication and computer networks to ensure reliable transmission over unreliable channels. It's a simple, yet effective protocol, particularly in situations where the channel is prone to errors or noise, such as wireless communication or Ethernet networks.

### Understanding STOP & WAIT ARQ:

1. Basic Concept:
- STOP & WAIT ARQ operates on the principle of the sender transmitting one data frame and then waiting for an acknowledgment (ACK) from the receiver before sending the next frame.
- It allows the sender to detect whether a frame was received correctly or not.

2. Frame Transmission:
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