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Multicast-Based Inference of Network-Internal Characteristics: Accuracy of Packet Loss Estimation (1998)

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by R. Caceres , N.G. Duffield , J. Horowitz , D. Towsley , T. Bu
Venue:IEEE Transactions on Information Theory
Citations:323 - 40 self
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BibTeX

@ARTICLE{Caceres98multicast-basedinference,
    author = {R. Caceres and N.G. Duffield and J. Horowitz and D. Towsley and T. Bu},
    title = {Multicast-Based Inference of Network-Internal Characteristics: Accuracy of Packet Loss Estimation},
    journal = {IEEE Transactions on Information Theory},
    year = {1998},
    volume = {45},
    pages = {2462--2480}
}

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Abstract

We explore the use of end-to-end multicast traffic as measurement probes to infer network-internal characteristics. We have developed in an earlier paper [2] a Maximum Likelihood Estimator for packet loss rates on individual links based on losses observed by multicast receivers. This technique exploits the inherent correlation between such observations to infer the performance of paths between branch points in the multicast tree spanning the probe source and its receivers. We evaluate through analysis and simulation the accuracy of our estimator under a variety of network conditions. In particular, we report on the error between inferred loss rates and actual loss rates as we vary the network topology, propagation delay, packet drop policy, background traffic mix, and probe traffic type. In all but one case, estimated losses and probe losses agree to within 2 percent on average. We feel this accuracy is enough to reliably identify congested links in a wide-area internetwork. Keywords---Internet performance, end-to-end measurements, Maximum Likelihood Estimator, tomography I.

Keyphrases

network-internal characteristic    multicast-based inference    packet loss estimation    maximum likelihood estimator    network condition    end-to-end multicast traffic    background traffic mix    inferred loss rate    probe loss    packet loss rate    probe traffic type    branch point    actual loss rate    measurement probe    end-to-end measurement    congested link    individual link    inherent correlation    propagation delay    network topology    packet drop policy    multicast receiver    keywords internet performance    wide-area internetwork    multicast tree    probe source   

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