1 votes 1 votes Can anyone please tell me why both network and transport layer has to perform congestion control? Nirmal Mondal asked Jan 7, 2018 Nirmal Mondal 249 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply Shubhanshu commented Jan 7, 2018 reply Follow Share network layer uses the Token bucket and Leaky bucket while Transport layer uses Slow start, AIMD. 0 votes 0 votes Nirmal Mondal commented Jan 7, 2018 reply Follow Share What algorithm they use that's not the question, why there is two different layer congestion control that's what I want to know? 0 votes 0 votes Please log in or register to add a comment.