Apparatus and method for more precise controlling of congestion on a network, provides for remote controlling of a remote station on the network by a local station to configure the remote station into a remote loopback configuration. With the remote station thus configured, the local station is then...http://www.google.co.uk/patents/US6222825?utm_source=gb-gplus-sharePatent US6222825 - Arrangement for determining link latency for maintaining flow control in full-duplex networks