stop-and-wait ARQ protocol and time out

an out and out reactionary political force

an out-and-out country life

breed out and out

casting-out-9 check=casting out nines

from out to out

out and out

Out of sight and out of mind

out-and-out

out-to-out

rain（-）out wash（-）out

two way serial in parallel out and parallel in serial out transceiver

0-1 stop and wait protocol

A Day’s Wait

act-wait

binary spray and wait BSW

busy wait loop

circular wait

circular-wait deadlock condition