# Message-Efficient Byzantine Fault-Tolerant Broadcast in a Multi-Hop Wireless Sensor Network

* Corresponding author
1 ASAP - As Scalable As Possible: foundations of large scale dynamic distributed systems
Inria Rennes – Bretagne Atlantique , IRISA-D1 - SYSTÈMES LARGE ÉCHELLE
Abstract : We consider message-efficient broadcast tolerating Byzantine faults in a multi-hop wireless sensor network. Assuming a grid network where all nodes have a communication range of $r$, and a single neighborhood contains at most $t$ dishonest and collision-capable (bad) nodes, each with a message budget $m_f$, we investigate the minimum message budget $m$ that each honest (good) node must have in order to achieve reliable broadcast. We consider three cases: (1) $m_f$ is known in advance and $m$ is homogeneous among all good nodes; (2) $m_f$ is known in advance and $m$ is heterogeneous among good nodes; (3) $m_f$ is unknown. For the first two cases, we present possibility results and broadcast protocols that have message costs within twice the lower bound. For the third case, we present a coding scheme that helps verify the integrity of messages at a receiving node without using any cryptographic techniques. This code leads to a {\em reactive local broadcast} primitive that has probabilistic reliability guarantees. Combined with a previously proposed scheme, it results in a broadcast protocol for $t < \frac 1{2} r(2r+1)$ that guarantees reliability with high probability.
Document type :
Conference papers

https://hal.inria.fr/inria-00457215
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Submitted on : Tuesday, February 16, 2010 - 5:35:23 PM
Last modification on : Thursday, January 20, 2022 - 5:33:26 PM
Long-term archiving on: : Friday, June 18, 2010 - 6:07:11 PM

### File

malisse-icdcs10.pdf
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### Identifiers

• HAL Id : inria-00457215, version 1

### Citation

Marin Bertier, Anne-Marie Kermarrec, Guang Tan. Message-Efficient Byzantine Fault-Tolerant Broadcast in a Multi-Hop Wireless Sensor Network. The 30th International Conference on Distributed Computing Systems, Jun 2010, Genoa, Italy. ⟨inria-00457215⟩

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