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<p><b>Abstract</b>—In this paper, we extend the load sharing framework to study how to effectively perform flow-based traffic splitting in multipath communication networks. The generalized load sharing (GLS) model is employed to conceptualize how traffic is split ideally on a set of active paths. A simple flow-based weighted fair routing (WFR) algorithm, called call-by-call WFR (CWFR), has been developed to imitate GLS so that all packets belonging to a single flow are sent on the same path. We have investigated how to couple the proposed basic packet-by-packet WFR (PWFR) and CWFR algorithms so as to permit a traffic splitter to handle both connection-oriented and connectionless traffic simultaneously. Our simulation studies, based on a collection of Internet backbone traces, reveal that WFR outperforms two other traffic splitting algorithms, namely, generalized round robin routing (GRR), and probabilistic routing (PRR). These promising results form a basis for designing future adaptive constraint-based multipath routing protocols.</p>
Computer communications, dispersity routing, high speed networks, inverse multiplexing, load sharing, multipath routing, multiprotocol label switching, network striping, performance modeling, traffic dispersion, traffic engineering.

K. Leung and V. O. Li, "Generalized Load Sharing for Packet-Switching Networks II: Flow-Based Algorithms," in IEEE Transactions on Parallel & Distributed Systems, vol. 17, no. , pp. 703-712, 2006.
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