Question: Consider an ARQ protocol that uses only negative acknowledgments (NACKs), but no positive acknowledgments (ACKs). Describe what timeouts would need to be scheduled. Explain why

Consider an ARQ protocol that uses only negative acknowledgments

(NACKs), but no positive acknowledgments (ACKs). Describe what timeouts would need to be scheduled. Explain why an ACK-based protocol is usually preferred to a NACK-based protocol.

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In an Automatic Repeat Request ARQ protocol that uses only Negative Acknowledgement NACKs the sender primarily receives feedback from the receiver whe... View full answer

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