Past exam of the computer science course of the University of Oxford / 2015 / Computer networks / 3 / b

Flow control prevents a sender from overrunning the receiving endpoint's capacity to buffer and consume data. Congestion control prevents the aggregate traffic from overloading the intervening computer network, especially shared links and router queues. A fast receiver can still sit beyond a congested path; an uncongested path can still lead to a slow receiver. Consequently