1 votes 1 votes In a token ring, if the propagation delay in a ring is equal to the transmission delay, then what is the maximum efficiency? Assuming that only one station is in token ring. Computer Networks computer-networks token-ring + – Samaa.qudah asked Nov 29, 2018 Samaa.qudah 1.0k views answer comment Share Follow See 1 comment See all 1 1 comment reply Subarna Das commented Nov 30, 2018 reply Follow Share @Samaa.qudah, Please add question-source in title 0 votes 0 votes Please log in or register to add a comment.
2 votes 2 votes $η=1/1+a[(N+1)/N] (N=1 For single host)$ $a = Tp/Tt = 1$ $η=1/3 = 25%$ arya_stark answered Nov 30, 2018 arya_stark comment Share Follow See all 5 Comments See all 5 5 Comments reply Show 2 previous comments shashank8141 commented Nov 30, 2018 reply Follow Share we could have taken 1/1+(a/N) if it leaves the token just after transmitting. then the answer will be 1/2. 0 votes 0 votes arya_stark commented Nov 30, 2018 reply Follow Share Efficiencies in Different cases In Stop and wait $η=1/1+2a$ In Sliding Window Protocol $η=N/1+a2$ In TDM $η=1/1+a$ CSMA/CD $η=1/1+6.44a$ In Delay Token Insertion, $η=1/1+a[(N+1)/N]$ In Early Token Insertion, $η=1/1+(a/N)$ 0 votes 0 votes nishant_magarde commented May 14, 2019 reply Follow Share but this is not the efficiency of the Token ring. 0 votes 0 votes Please log in or register to add a comment.