CONTROLLING PACKET TRANSMISSION USING BANDWIDTH ESTIMATION

A method and product for controlling a rate of transmission from a first, transmitting node to a second, recipient node. The method comprises: transmitting a stream from the first node to the second node over a first network route; transmitting further data from the first node to a third node over a second network route substantially overlapping with the first network route; receiving feedback at the first node from the third node regarding transmission of the further data to the third node over the second network route; and based on the feedback from the third node, controlling a rate of transmission of the stream to the second node over the first network route. The third node may not be a recipient of said stream. The rate of transmission may be controlled without feedback from the second node. The further data may be formed of dummy data.