NDLI: Replica Voting: a Distributed Middleware Service for Real-time Dependable Systems

Content Provider	IEEE Xplore Digital Library
Author	Ravindran, K. Kwiat, K.A. Sabbir, A. Cao, B.
Copyright Year	2006
Description	Author affiliation: Dept. of Comput. Sci., New York Univ., NY (Ravindran, K.)
Abstract	In information assurance settings, majority voting among replica processes enhances the trust-worthiness of data collected from a hostile external environment. It allows a correct data fusion and dissemination by the end-users, in the presence of content corruptions and/or timing failures that may possibly occur during data collection. Two key elements are required of the voting functionality: i) fielding asynchronously generated real-time or near-real-time data, and ii) handling large sized non-numeric data sets with problem-specific interpretations-e.g., terrain images from radar stations. Under the constraints (i) and (ii), we describe a highly asynchronous voting service to effect a timely and low-overhead delivery of data to the users. The paper analyzes the service-level properties of a voting machinery to meet the stringent needs of IA applications. The externally visible properties are prescribed in terms of `safety' and `liveness' requirements of the underlying voting protocols that reflect the application-specific data integrity and availability constraints. When voting is provided as a middleware service, an application designer may prescribe the necessary service-level parameters: the level of resiliency and the performance aspects of data delivery
Starting Page	1
Ending Page	7
File Size	4688995
Page Count	7
File Format	PDF
ISBN	0780395751
DOI	10.1109/COMSWA.2006.1665204
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-01-08
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Voting Middleware Real time systems Timing Fusion power generation Radar imaging Machinery Safety Protocols Availability
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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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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