0 votes 0 votes the receiver takes the hook the ack in its data frame. i dont understand whether the data frame belongs to different sender or same sender ?? monika sharma 2 asked May 19, 2018 monika sharma 2 318 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply Prateek Raghuvanshi commented May 19, 2018 reply Follow Share Using piggybacking ,we can use channel in efficiently,i n which sender and receiver can send the data along with ack to the same sender and receiver. 0 votes 0 votes monika sharma 2 commented May 19, 2018 reply Follow Share thanks now understood. 0 votes 0 votes Please log in or register to add a comment.