The invention relates to a method for flow control in a switch and a switch controlled thereby. In order to ensure that no or few packets are dropped in a switch because of a congested internal memory, pause frames or stop command messages are sent to upstream senders. When to send pause frames are determined...http://www.google.com/patents/US7061868?utm_source=gb-gplus-sharePatent US7061868 - Method for flow control in a switch and a switch controlled thereby
