A method of switching a route path of a ring network having a plurality of route paths for signal transmission, in which a transmission station on a transmission side transmits information of a same content to said plurality of route paths, a transmission station on a reception side selects...http://www.google.fr/patents/US5721727?utm_source=gb-gplus-shareBrevet US5721727 - Control method and apparatus for path switching in ring network
Control method and apparatus for path switching in ring network
