NDLI: A secure and scalable time synchronization protocol in IEEE 802.11 ad hoc networks

Content Provider	IEEE Xplore Digital Library
Author	Lin Chen Leneutre, J.
Copyright Year	2006
Description	Author affiliation: Ecole Nationale Superieure des Telecommun., Paris (Lin Chen; Leneutre, J.)
Abstract	IEEE 802.11 standards support ad hoc mode which are ad hoc networks with all nodes within each other's transmission range. Time synchronization is crucial in such ad hoc networks. A distributed timing synchronization function (TSF) is specified by IEEE 802.11 to provide synchronization service, but it suffers from the scalability problem due to its inefficient synchronization mechanism. Furthermore, TSF is designed without taking into account security. Such an insecure time synchronization protocol may cause serious problems on the applications and protocols based on synchronized time. To the best of our knowledge, currently no secure time synchronization mechanisms are proposed for such environments. In this paper we propose our scalable and secure time synchronization protocol SSTSP. We prove that SSTSP can synchronize the networks with the maximum clock difference under 20mus without any uncontinuous leaps in clocks. We also conduct simulations to evaluate the performance of SSTSP. The results show that without attacks, the performance of our approach is significantly superior to TSF and is among the best of currently proposed solutions in terms of accuracy and scalability. Besides, our approach can maintain the network synchronized even under malicious attacks
Sponsorship	The Int. Assoc. for Comput. and Commun
Starting Page	8
Ending Page	214
File Size	301225
Page Count	207
File Format	PDF
ISBN	0769526373
ISSN	15302016
DOI	10.1109/ICPPW.2006.17
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-08-14
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Protocols Intelligent networks Ad hoc networks Frequency synchronization Peer to peer computing Clocks Delay Timing Scalability Energy management
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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