The invention relates to the sending, by a sender, of messages, by means of arrowed packages, in a communications network comprising switch nodes. The packet is prepared by the sender so as to travel over a path that successively takes it to all the nodes where there are subscribers for whom the message...http://www.google.com/patents/US4956841?utm_source=gb-gplus-sharePatent US4956841 - Method and device for switching a packet of data
