Embodiments of the invention may provide a method to send a packet from an endpoint in an advanced switching fabric and starting a timer to run until receiving a response packet or receiving an event packet notifying of a device failure, save a copy of the sent packet, detect if the timer has expired,...http://www.google.com/patents/US7496797?utm_source=gb-gplus-sharePatent US7496797 - Advanced switching lost packet and event detection and handling
