A packet based high speed mesh forms a trunk cluster. The trunk cluster is constructed with a set of loosely coupled switches, a configuration protocol, trunked network interfaces, and optionally a reachablilty protocol. The trunk cluster provides a Logical LAN service. Each switch in the trunk cluster...http://www.google.fr/patents/US6195349?utm_source=gb-gplus-shareBrevet US6195349 - Scalable logical LAN
