NDLI: Estimating one-way delays from cyclic-path delay measurements

Content Provider	IEEE Xplore Digital Library
Author	Gurewitz, O. Sidi, M.
Copyright Year	2001
Description	Author affiliation: Dept. of Electr. Eng., Technion-Israel Inst. of Technol., Haifa, Israel (Gurewitz, O.)
Abstract	In this paper we present a novel approach for the estimation of one-way delays from cyclic-path delay measurements that does not require any kind of synchronization among the nodes of the network. Furthermore, this approach takes into account the asymmetric nature of the network, and the fact that traffic flows are not necessarily the same in both directions. Our approach is based on cyclic-path delay measurements, each of which is extracted using a single (source) clock and therefore is accurate. The basic idea of the approach is to express the cyclic-path delays in terms of one-way delay variables. If there were enough independent cyclic-path delay measurements, then one could solve explicitly for the one-way delays. We show that the maximal number of independent measurements that can be taken is smaller hence a procedure for estimating the one-way delay is proposed.
Sponsorship	IEEE Comput. Soc. IEEE Commun. Soc
Starting Page	1038
Ending Page	1044
File Size	159983
Page Count	7
File Format	PDF
ISBN	0780370163
ISSN	0743166X
DOI	10.1109/INFCOM.2001.916297
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-04-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Delay estimation Synchronization Clocks Global Positioning System Electric variables measurement Telecommunication traffic Delay effects Data analysis Performance analysis Quality of service
Content Type	Text
Resource Type	Article
Subject	Computer Science Electrical and Electronic Engineering

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