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Determining End-to-End Delay in Heterogeneous Networks We define a class of Guaranteed Rate (GR) scheduling algorithms. The GR class includes Virtual Clock, Packet-by-Packet Generalized Processor Sharing and Self Clocked Fair Queuing. For networks that employ scheduling algorithms belonging to GR, we present a method for determining an upper bound on end-to-end delay. The method facilitates determination of end-to-end delay bounds for a variety of sources. We illustrate the method by determining end-to-end delay bounds for sources conforming to Leaky Bucket and Exponentially Bounded Burstiness. |