US Patent 11394649 Non-random flowlet-based routing

There is disclosed in one example a network switch, including an ingress port and a plurality of egress ports to provide a plurality of paths for a packet; a switching circuit to provide network switching; circuitry to identify the start of a flowlet; circuitry to select a non-random path for the flowlet; circuitry to latch the selected path for the flowlet; and a load balancer to receive a packet, match the packet to the flowlet, and direct the packet to the selected path.