NDLI: An analysis of distributed and asynchronous wireless group communication mechanisms

Content Provider	IEEE Xplore Digital Library
Author	Chandra, S. Xuwen Yu
Copyright Year	2010
Abstract	Asynchronous group communication systems propagate updates from each group member to every other member. Contemporary users are wireless and operate from a variety of locations. Hence, we investigate the propagation performance for these users. An analysis of wireless users in academia, corporation and in a city-wide hotspot federation shows that the availability durations and the duration between sessions depends on the locale. A longer term analysis shows that the user session lengths are becoming smaller while the duration between sessions are becoming larger with significant user churn. We show that the propagation performance depends on the locale. New users incur a heavy cost in receiving updates from prior users; applications need to develop expiration mechanisms to reduce this overhead. Also, since users regularly leave the system, practical communication mechanisms need to choose their propagation periodicity in order to respond to scenarios when the user abruptly leaves the system without propagating their updates to other users.
Starting Page	1
Ending Page	6
File Size	1705742
Page Count	6
File Format	PDF
ISBN	9781424472642
e-ISBN	9781424472659
e-ISBN	9781424472635
DOI	10.1109/WOWMOM.2010.5534935
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-14
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless communication Availability Measurement Portable computers Collaboration Springs Monitoring
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
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