A cluster includes a fabric, a host coupled to the fabric, an I/O enclosure coupled to the fabric, and a subnet manager. The subnet manager performs a topology discovery of the cluster and detects ports associated with the fabric. The subnet manager computes a minimal spanning tree for the cluster, which...http://www.google.es/patents/US6694361?utm_source=gb-gplus-sharePatente US6694361 - Assigning multiple LIDs to ports in a cluster