Patent 7733894 was granted and assigned to Juniper Networks on June, 2010 by the United States Patent and Trademark Office.
A method may include receiving a data unit and identifying a state of a memory storing data units. The method may include selecting a threshold value having a first threshold unit or a second threshold unit based on the state of the memory. The method may include comparing the threshold value to a queue state using the first threshold unit if the memory is in a first state. The method may include comparing the threshold value to the queue state using the second threshold unit if the memory is in a second state.