Reliable Transmission

📡 What are ARQ Protocols? Automatic Repeat Request (ARQ) protocols ensure reliable communication by handling the retransmission of lost or corrupted data. These protocols are widely used in data link and transport layers to ensure integrity and timeliness. 🧩 Types of ARQ Protocols Stop-and-Wait ARQ: Sender sends one frame, waits for acknowledgment (ACK). Limitation: Low efficiency due to waiting for each frame’s acknowledgment. Use Case: Simple applications where low data rate suffices. Go-back-N ARQ: ...