IP Multihoming Throughput Maximization based on Passive RTT Measurements

published in Proceedings of the 28th International Conference on Software, Telecommunications and Computer Networks (SoftCOM), pp. 1-6, DOI: 10.23919/SoftCOM50211.2020.9238192, September 17-19, 2020, Hvar, Croatia.

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Full paper

IP Multihoming Throughput Maximization based on Passive RTT Measurements


Adrian Sterca, Darius Bufnea, Virginia Niculescu
Department of Computer Science, Faculty of Mathematics and Computer Science, Babeș-Bolyai University of Cluj-Napoca, Romania


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We present a routing solution for multihoming sites that maximizes the throughput of local flows. We consider the problem of transferring data between two multihomed network sites (i.e. network sites that have two or more uplinks to the Internet). Our routing solution is deployed at the edges of both multihomed sites and routes local flows dynamically through several outgoing network paths/links depending on the load (i.e. congestion level) on each path. If the load on a network path increases, fewer local flows are routed through it. We measure the load on a network path using passive RTT measurements. We performed a significant number of experiments in order to show that our multihoming solution performs better than an ECMP-based (i.e. Equal-Cost Multipath) solution in terms of total aggregated throughput and inter-flow fairness.

Key words

multihoming, multipath load-balancing, multipath routing, ECMP routing

BibTeX bib file



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Darius Bufnea