NDLI: Virtual time synchronization over unreliable network transport

Content Provider	IEEE Xplore Digital Library
Author	Perumalla, K. Fujimoto, R.
Copyright Year	2001
Description	Author affiliation: Coll. of Comput., Georgia Tech., Atlanta, GA, USA (Perumalla, K.)
Abstract	In parallel and distributed simulations, it is sometimes desirable that the application's time-stamped events and/or the simulator's time-management control messages be exchanged over a combination of reliable and unreliable network channels. A challenge in developing infrastructure for such simulations is to correctly compute simulation time advances despite the loss of some simulation events and/or control messages. The authors present algorithms for synchronization in distributed simulations, performed directly over best-effort network transport. The algorithms are presented in a sequence of progressive refinement, starting with all reliable transport and finishing with combinations of reliable and unreliable transport for both time-stamped events and time management messages. Performance results from a preliminary implementation of these algorithms are also presented. To our knowledge, this is the first work to solve asynchronous time synchronization performed directly over unreliable network transport.
Sponsorship	IEEE Comput. Soc. Tech. Committee on Simulation (TCSIM)
Starting Page	129
Ending Page	136
File Size	827747
Page Count	8
File Format	PDF
ISBN	076951104X
DOI	10.1109/PADS.2001.924629
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-05-15
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Discrete event simulation Computational modeling Context modeling Telecommunication network reliability Educational institutions Finishing Transport protocols Performance gain Algorithm design and analysis Fault tolerance
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
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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
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