A data processing system having multiple independent paths for communication between a host and a plurality of storage devices where each path has its own queue for servicing requests generated by the host for accessing the storage devices. Each request is assigned a unique sequential ID before it is...http://www.google.de/patents/US6157962?utm_source=gb-gplus-sharePatent US6157962 - Multipath I/O storage systems with multiipath I/O request mechanisms
