Patent ID: 7164686
Filing Date: 2007-01-16
Classification: H04L

Abstract:
1. In an output-buffered switch system for broadband networks, the switch system having a plurality of flows i (i=1˜N) and an output queue, the output queue having a plurality of windows, each flow i having a corresponding normalized weight w i and a credit c i , and using a window index d i to point to a window, wherein the normalized weight of the flow i is w i =W×w i */(w 1 *+w 2 * + . . . w N *), w i * being the weight of flow i and W being the size of a window, a method comprising the steps of: (A) when packet P (B) if the credit c (C) if the credit c (D) subtracting the size of the packet P (E) scheduling the packets for delivery in a stepwise manner in order to guarantee a quality of service.