The requirement for accurate one-way delay (OWD) estimation led to the recent introduction of an algorithm enabling a server to estimate OWDs between itself and a client by cooperating with two other servers, requiring neither client-clock synchronization nor client trustworthiness in reporting one-way delays. We evaluate the algorithm by deriving the probability distribution of its absolute error and compare its accuracy with the well-known round-trip halving algorithm. While neither algorithm requires client trustworthiness nor client-clock synchronization, the analysis shows that the new algorithm is more accurate in many situations.

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Journal IEEE Communications Letters
Abdou, A. (Abdelrahman), Matrawy, A, & Van Oorschot, P. (2015). Accurate one-way delay estimation with reduced client trustworthiness. IEEE Communications Letters, 19(5), 735–738. doi:10.1109/LCOMM.2015.2411591