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| Title | Stop and Wait ARQ |
| Level | Under Graduate/Post Graduate |
| Course: | Communication Networks |
| Summary: | Stop-and-wait ARQ is the simplest ARQ protocol. When a source node sends a frame, it starts a timer and waits for an acknowledgement (ACK) from the destination. If the destination node receives a frame in which no errors are detected, it sends an ACK frame back to the sender informing it of error-free frame reception. Once an ACK for a frame arrives at the source, the next frame is transmitted. If errors are detected in the frame, then the destination does nothing. If the timer at the source exceeds a predetermined threshold, a timeout event is declared and the frame is resent. |
| Keywords | Stop and Wait ARQ |
| Language: | English |
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| IDD writer: | Amita Shinde |
| Mentor: | Prof. Saravanan Vijayakumaran |
| Developer: | Aruna Adil |
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