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Revocation Games in Ephemeral Networks

Publications associées (45)

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Securing Every Bit: Authenticated Broadcast in Radio Networks

Rachid Guerraoui, Seth Gilbert, Dan Alistarh, Zarko Milosevic

This paper studies non-cryptographic authenticated broad- cast in radio networks subject to malicious failures. We in- troduce two protocols that address this problem. The first, NeighborWatchRB, makes use of a novel strategy in which honest devices monito ...

Acm Order Department, P O Box 64145, Baltimore, Md 21264 Usa2010

Mobility-centric design of collaborative transportation systems

Embedded sensors and actuators are revolutionizing the way we perceive and interact with the physical world. Current research on such Cyber-Physical Systems (CPSs) has focused mostly on distributed sensing and data gathering. The next step is to move from ...

EPFL2009

Decentralized Polling with Respectable Participants

Rachid Guerraoui, Anne-Marie Kermarrec, Kévin Clément Huguenin, Maxime Monod

We consider the polling problem in a social network where participants care about their reputation: they do not want their vote to be disclosed nor their misbehaving, if any, to be publicly exposed. Assuming this reputation concern, we show that a simple s ...

2009

Fault-Tolerance and Reliability of Post-CMOS Systems: a Circuit Perspective

Alexandre Schmid, Yusuf Leblebici, Milos Stanisavljevic

The reliability of systems made of unreliable nanoelectronic devices is discussed in this paper. Massive defect density which may affect future fabrication technologies calls for novel solutions, where spatial redundancy and the voting scheme play a signif ...

IEEE Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2009

Comparison of Methods for Increasing the Performance of a DUA Computation

Computing realistic routes for a given road network and a known demand of vehicles is one of the most important steps when preparing a road traffic simulation. The approach developed by Christian Gawron in 1998 which we use for this purpose computes a dyna ...

2008

TraNS: Realistic Joint Traffic and Network Simulator for VANETs

Jean-Pierre Hubaux, Matthias Grossglauser, Panagiotis Papadimitratos, Maxime Raya, Ada Lezama Lugo

Realistic simulation is a necessary tool for the proper evaluation of newly developed protocols for Vehicular Ad Hoc Networks (VANETs). Several recent efforts focus on achieving this goal. Yet, to this date, none of the proposed solutions fulfill all the r ...

2008

Granular flow simulations and experiments for the food industry

Marco Ramaioli

Granular media are omnipresent in the food industry, whether as raw materials, intermediate or final products. While a lot has been done already in modelling food processes dealing with liquids, solid and gases, very little exists until now in granular flo ...

EPFL2008

Reputation system for User Generated wireless podcasting

Jean-Yves Le Boudec

The user-generated podcasting service over mobile opportunistic networks can facilitate the user generated content dissemination while humans are on the move. However, in such a distributed and dynamic network environment, the design of efficient content f ...

2008

UMMRIS - Particle-based MR Simulation Framework

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Computer simulations allow for predicting and interpreting the outcome of NMR and MRI measurements. A survey of existing solutions prompted us to develop an easy-to-use software for more realistic simulations of diffusion tensor imaging (DTI), that could b ...

2007

Secure incentives to cooperate for wireless networks

The operating principle of certain wireless networks makes essential the cooperation between the mobile nodes. However, if each node is an autonomous selfish entity, cooperation is not guaranteed and therefore we need to use incentive techniques. In this t ...

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