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OWLT OWLT Original countdown timer (S) remote engine suspends transmission (R) remote engine resumes transmission OWLT OWLT adjusted countdown timer queuing (etc.) margin time signal propagation time delay for suspended transmission (C’) transmit ACK (D’) receive ACK (sender) (receiver) (C) transmit ACK (B) receive original segment, queue ACK Timer revision (3 of 3) (A) transmit original segment (D) receive ACK |