The congestion window tries not to exceed the capacity of the network (congestion control); the receive window tries not to exceed the capacity of the receiver to process data (flow control) This is t...The congestion window tries not to exceed the capacity of the network (congestion control); the receive window tries not to exceed the capacity of the receiver to process data (flow control) This is the amount of time needed for bytes to be sent by a sender, the receiver to acknowledge the bytes and the sender to receive the acknowledgement