Patent ID: 6937607
Filing Date: 2005-08-30
Classification: H04L,H04M,H04Q

Abstract:
1. A data switch comprising an input port, an output port and a memory coupled therebetween, characterized in that the data switch generates a discard processing indicator for a packet received on the input port, segments the packet into ones of units, and appends the discard processing indicator to the ones of units, further characterized in that the data switch compares the discard processing indicator appended to the ones of units with a discard criterion to determine whether to discard the ones of units, and further characterized in that the discard criterion is dynamically selected in accordance with a utilization level of an output que to which the ones of units are destined, and that the data switch appends a timestamp to the ones of units for determining a utilization level of the output queue at a time indicated by the timestamp.