0 votes 0 votes Why propogation delay, time to live parameters are constant for data link layer. Where as those are dynamic for transport layer? Yashaswini Vanaja asked Oct 6, 2018 Yashaswini Vanaja 151 views answer comment Share Follow See 1 comment See all 1 1 comment reply sandygate commented Oct 24, 2018 reply Follow Share according to me in data link layer the distance between two hops is constant. whereas for transport layer the path taken by a packet can be different hence dynamic time 0 votes 0 votes Please log in or register to add a comment.