1 votes 1 votes why sender window size is equal to 1+2a in sliding window. Computer Networks computer-networks sliding-window go-back-n + – anoop yadav 2 asked Nov 16, 2017 anoop yadav 2 356 views answer comment Share Follow See 1 comment See all 1 1 comment reply Sukannya commented Nov 17, 2017 reply Follow Share It is 1+2a only when you want the efficiency to be $100$% 0 votes 0 votes Please log in or register to add a comment.