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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ravindran, K. Kwiat, K.A. |
| Copyright Year | 2007 |
| Description | Author affiliation: City Univ. of New York, New York, NY, USA (Ravindran, K.) |
| Abstract | Majority voting among replicated data collection devices enhances the trust-worthiness of data flowing 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. In addition, a device may operate on fuzzy inputs, thereby generating a data that occasionally deviates from the reference datum in physical world. In this paper, we provide a QoS-oriented approach to manage the data flow through various system elements. The application-level QoS parameters we consider are timeliness and accuracy of data. The underlying protocol-level parameters that influence data delivery performance are the data sizes, network bandwidth, device asynchrony, and data fuzziness. A replica voting protocol takes into account the interplay between these parameters as the faulty behavior of malicious devices unfolds in various forms during data collection. Our QoS-oriented approach casts the well-known fault-tolerance techniques, namely, 2-phase voting, with control mechanisms that adapt the data delivery to meet the end-to-end constraints - such as latency, data integrity, and resource cost. The paper describes a middleware architecture to realize our QoS-oriented approach to the management of replicated data flows. |
| Starting Page | 1 |
| Ending Page | 10 |
| File Size | 7758628 |
| Page Count | 10 |
| File Format | |
| ISBN | 1424406137 |
| DOI | 10.1109/COMSWA.2007.382564 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2007-01-07 |
| Publisher Place | India |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Middleware Voting Fuzzy systems Real time systems Timing Fusion power generation Bandwidth Protocols Fault tolerance Delay voter asynchrony Majority voting sensor replication malicious faults large data dimensionality confusion probability |
| Content Type | Text |
| Resource Type | Article |
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