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Self-adaptive clock synchronisation based on clock precision difference

Zhao, Ying, Zhou, Wanlei, Lanham, Elicia, Yu, Shui and Lan, Mingjun 2003, Self-adaptive clock synchronisation based on clock precision difference, in Computer science 2003 : proceedings of the twenty-sixth Australasian Computer Science Conference, Australian Computer Society, Sydney, N.S.W., pp. 181-187.

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Title Self-adaptive clock synchronisation based on clock precision difference
Author(s) Zhao, Ying
Zhou, Wanlei
Lanham, Elicia
Yu, Shui
Lan, Mingjun
Conference name Australasian Computer Science. Conference (26th. : 2003 : Adelaide, South Australia)
Conference location Adelaide, South Australia, Australia
Conference dates February 2003
Title of proceedings Computer science 2003 : proceedings of the twenty-sixth Australasian Computer Science Conference
Editor(s) Oudshoorn, Michael J.
Publication date 2003
Series Australian computer science communications ; v. 25, no. 1
Conference series Australasian Computer Science Conference
Start page 181
End page 187
Publisher Australian Computer Society
Place of publication Sydney, N.S.W.
Keyword(s) asynchronous environments
clock synchronization
precision difference
self-adaptive
Summary This paper presents an innovative strategy to synchronize all virtual clocks in asynchronous Internet environments. Our model is based on the architecture of one reference clock and many slave clocks communicating with each other over the Internet. The paper makes three major contributions to this research area. Firstly, one-way information transmission is applied to reduce traffic overhead on the Internet for the purpose of clock synchronization. Secondly, the slave nodes use local virtual time and the arrival timestamp, from the reference node, to create linear mathematical trend models and to retrieve the clock precision differences between reference clock and slave clocks. Finally, a fault-tolerant and self-adaptive model executed by each slave node based on the above linear trend model is created in order to ensure that the virtual clock is running normally, even when the link between the reference node and this slave node has crashed. We also present detailed simulations of this strategy and mathematical analysis on real Internet environments.
ISBN 0909925941
9780909925949
ISSN 1445-1336
Language eng
Field of Research 080699 Information Systems not elsewhere classified
Socio Economic Objective 890299 Computer Software and Services not elsewhere classified
HERDC Research category E1 Full written paper - refereed
Copyright notice ©2003, Australian Computer Society
Persistent URL http://hdl.handle.net/10536/DRO/DU:30009623

Document type: Conference Paper
Collections: School of Engineering and Information Technology
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