At+t Corp.

Zan Pan

Mostafa Hashem Sherif

Rudi Distler

A data communication network provides techniques for handling frame discard of non-delineable flows. When a data flow is established, it is evaluated to determine whether a frame delimiter value is required and, if so, whether it is present. If the frame delimiter is required and missing, then the flow is declared non-delineable. If, subsequently, a congestion threshold is reached for this data flow, cells are discarded until a) a frame delimiter value is received, b) congestion drops below the threshold or c) a predetermined number of cells are discarded. These techniques provide frame discard handling mechanisms that alleviate the need for NOC personnel to intervene in problems caused by non-delineable frame discard flows.

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Aberdeen, NJ, United States of America

Zan Pan