A packet is routed by "dead reckoning" on a network having a generally regular topology. The packet is received at a node where a local routing decision is made. The packet is output in a direction selected according to the routing decision. The packet carries in addition to a destination address a directional...http://www.google.co.uk/patents/US6272548?utm_source=gb-gplus-sharePatent US6272548 - Dead reckoning routing of packet data within a network of nodes having generally regular topology
