Delay Differentiation and Adaptation in Core Stateless networks (2000)
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BibTeX
@MISC{Nandagopal00delaydifferentiation,
author = {Thyagarajan Nandagopal and Narayanan Venkitaraman and Raghupathy Sivakumar and Vaduvur Bharghavan},
title = {Delay Differentiation and Adaptation in Core Stateless networks},
year = {2000}
}
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Abstract
We present a core-stateless quality of service architecture for achieving delay differentiation between flows. There are two key components in our approach: 1. Per-class per-hop relative average delay: the average queueing delay perceived by the packets in a delay class at a link is inversely proportional to the delay weight of the class. 2. Per-flow end-to-end delay class adaptation: the delay class of a flow is dynamically adjusted based on its perceived end-to-end delay in order to maintain the desired end-to-end average delay requirement of the flow. We show through simulations and analysis that these two components can, in concert, support end-to-end delay differentiation between flows using only simple mechanisms at the core routers in the network.
