Method of controlling access to a buffer as well as...

Details Method of controlling access to a buffer as well as... Method of controlling access to a buffer as well as...

H - Electricity

04

L

H04L 12/56 (2006.01) G06F 5/10 (2006.01) G06F 13/18 (2006.01) G06F 13/42 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 2127831

ABSTRACT OF THE DISCLOSURE Data packets (D1, D2) each assigned to one of at least two priority classes (P1, P2) are stored in a buffer (MEM2) designed to hold data on a threshold value for each priority class wherein, instead of having the threshold fixed for each priority class whereby the data packets of the corresponding priority class will no longer be written into the buffer (MEM2) when the threshold is exceeded ("partial buffer sharing"), one or more thresholds are dynamically controlled. The current loss probability of the highest priority class (P1) is determined, and the threshold (MEM1) of the lowest priority class (P2) is then raised or lowered (REG1). This results in improved buffer utilization in applications which require a given loss probability for high priority classes, and calculation of a threshold value is no longer necessary. 16

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