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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Gaeta, R. Grangetto, M. Loti, R. |
| Copyright Year | 2012 |
| Abstract | In this paper we consider the following problem: nodes in a MANET must disseminate data chunks using rateless codes but some nodes are assumed to be malicious, i.e., before transmitting a coded packet they may modify its payload. Nodes receiving corrupted coded packets are prevented from correctly decoding the original chunk. We propose SIEVE, a fully distributed technique to identify malicious nodes. SIEVE is based on special messages called checks that nodes periodically transmit. A check contains the list of nodes identifiers that provided coded packets of a chunk as well as a flag to signal if the chunk has been corrupted. SIEVE operates on top of an otherwise reliable architecture and it is based on the construction of a factor graph obtained from the collected checks on which an incremental belief propagation algorithm is run to compute the probability of a node being malicious. Analysis is carried out by detailed simulations using ns-3. We show that SIEVE is very accurate and discuss how nodes speed impacts on its accuracy. We also show SIEVE robustness under several attack scenarios and deceiving actions. |
| Starting Page | 331 |
| Ending Page | 338 |
| File Size | 404160 |
| Page Count | 8 |
| File Format | |
| ISBN | 9781467345651 |
| ISSN | 15219097 |
| e-ISBN | 9780769549033 |
| DOI | 10.1109/ICPADS.2012.53 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-12-17 |
| Publisher Place | Singapore |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Peer to peer computing Accuracy Decoding Mobile ad hoc networks Equations Robustness Payloads statistical inference MANET data dissemination malicious node iden- tification |
| Content Type | Text |
| Resource Type | Article |
| Subject | Hardware and Architecture |
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