Patent 7965715 was granted and assigned to Alaxala Networks on June, 2011 by the United States Patent and Trademark Office.
In the first power mode: each packet processor of the second group maintains own operating mode in a first operating mode of relatively low power consumption; and the distributor selects the handling packet processor from the first group for the first priority, and selects the handling packet processor from at least one group excluding the second group for the second priority.