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Publications associées (90)

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Dynamic group communication

André Schiper

Group communication is the basic infrastructure for implementing fault-tolerant replicated servers. While group communication is well understood in the context of static groups (in which the membership does not change), current specifications of dynamic ...

Springer Verlag2006

Comparing Atomic Broadcast Algorithms in High Latency Networks

André Schiper, Nils Richard Ekwall

Since the introduction of the concept of failure detectors, several consensus and atomic broadcast algorithms based on these detectors have been published. The performance of these algorithms is often affected by a trade-off between the number of communica ...

2006

Effects of ‘Spatialized’ Communication in Tightly Coupled Work

Pierre Dillenbourg, Mauro Cherubini

This technical report describes the advancements on our research on collaborative annotations of maps. Particularly, we are trying to answer the following research question: does making explicit the location references of the elements of a discourse enhanc ...

2006

Modelling and monitoring industrial automation systems

Rodrigo Garcia Garcia

The modelling of a manufacturing enterprise is not an easy task. A manufacturing enterprise is a complex system where technical knowledge is as important as management abilities. For taking more accurate management decisions and for these decisions to have ...

EPFL2006

Language Support for Fast and Reliable Message Based Communication in Singularity OS

James Richard Larus

Message-based communication offers potential benefits of providing stronger specification and cleaner separation between components. Compared with shared-memory interactions, message passing has the potential disadvantages of being more expensive (no direc ...

2006

Improving Fast Paxos: being optimistic with no overhead

André Schiper

The paper addresses the cost of consensus algorithms. It has been shown that in the best case, consensus can be solved in two communication steps with f < n/2, and in one communication step with f < n/3 (f is the maximum number of faulty processes). This l ...

2006

Sensing reality and communicating bits: A dangerous liaison

Martin Vetterli, Michael Christoph Gastpar, Pier Luigi Dragotti

The successful design of sensor network architectures depends crucially on the structure of the sampling, observation, and communication processes. One of the most fundamental questions concerns the sufficiency of discrete approximations in time, space, an ...

2006

Multicoordinated Paxos

Rodrigo Malta Schmidt, Fernando Pedone

Classic Paxos is a round-based distributed consensus algorithm. Normally, proposals are sent to the round leader and decided in two communication steps more. Fast Paxos extends Classic Paxos by allowing also fast rounds, in which a decision can be learned ...

2006

Efficient Distributed Multiresolution Processing for Data Gathering in Sensor Networks

Razvan Cristescu, Jugoslava Acimovic

We consider large sensor networks where the cost of collecting data from the network nodes to the data gathering sink is critical.~We propose several algorithms that use limited local communication and distributed signal processing to make communication mo ...

2005

Architectural Issues of JMS Compliant Group Communication

Nils Richard Ekwall, Arnas Kupsys

Group communication provides one-to-many communication primitives that simplify the development of highly available services. Despite advances in research and numerous prototypes, group communication stays confined to small niches. To facilitate the accept ...

2005