Accurate One-Way Delay Estimation With Reduced Client Trustworthiness

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-...

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Bibliographic Details
Published in:IEEE communications letters 2015-05, Vol.19 (5), p.735-738
Main Authors: Abdou, AbdelRahman, Matrawy, Ashraf, van Oorschot, Paul C.
Format: Article
Language:English
Subjects:
Accuracy
Algorithm design and analysis
Algorithms
Computer aided software engineering
Delay
Delays
Errors
Estimates
Internet
Servers
Synchronism
Synchronization
Trustworthiness
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Summary: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.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2015.2411591