Stop-and-Wait Protocol, 3
{"Image DocumentName": "Stop-and-Wait Protocol, 3", "Image ImageDescription": "In case of frame garbled. D does nothing, and then S will retransmit. In case of ACK dropped. S retransmits the frame. D receives the frame and transmits another ACK. D will receive duplicated frames! Add a sequence number to the frame. So, D will discard the second copy of the frame, but resend ACK. time. S. D. FR-0. FR-1. ACK. time-out period. FR-1\u2019", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}