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In networking, enterprise computing and many other areas the issue of adding percentiles of a performance metric, such as the response time, arises regularly. Percentiles cannot be added using the arithmetic sum, and surprisingly there are no known formulae that permit us to do so correctly. In this paper, we obtain an exact analytical expression for adding percentiles of random variables which can...
This paper presents a proposal of a Routing and Wavelength Assignment algorithm that use a routing strategy taking into account monitored physical layer attributes as input parameters for the path computation. The proposed routing technique aims at to achieve optical quality of service (OQoS) in optical network impaired by Polarization Mode Dispersion (PMD). Numerical results show that the network...
In communication networks where (1) some nodes are capable of correcting up to a maximum number of erasure, and (2) the nodes are connected by the q-ary symmetric erasure channels parametrized by their bit erasure ratios (BER); it is often possible to find the path with minimum (zero) worst possible erasure. We introduce (1) the BER and worst-case erasure (WCE) metrics and (2) an algebra equipped...
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