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Publications associées (41)

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Numerical Flow Analysis in a Pelton Turbine Bucket

François Avellan, Mohamed Farhat, Alexandre Perrig

The flow in the Pelton turbine bucket is three-dimensional, unsteady, turbulent, features a free surface, and is influenced by the rotation-induced forces. It is therefore difficult to investigate how the energy transfer takes place between the water flow ...

International Association For Hydraulic Research2004

Token-based Atomic Broadcast using Unreliable Failure Detectors

André Schiper, Nils Richard Ekwall

Many atomic broadcast algorithms have been published in the last twenty years. Token-based algorithms represent a large class of these algorithms. Interestingly, all the token-based atomic broadcast algorithms rely on a group membership service, i.e., none ...

2004

Token-based Atomic Broadcast using Unreliable Failure Detectors

André Schiper, Nils Richard Ekwall

2004

Network Availability Based Service Differentiation

Patrick Thiran, Mathilde Durvy

Numerous approaches have been proposed to manage Quality of Service in the Internet. However, none of them was successfully deployed in a commercial IP backbone, mostly because of their complexity. In this paper, we take advantage of the excess network ban ...

2003

Worst Case Burstiness Increase due to FIFO Multiplexing

Jean-Yves Le Boudec, Juan Echagüe

We consider a FIFO multiplexer fed by flows that are individually constrained by arrival curves, and look for the best possible arrival curve for every output flow. This problem arises in scenarios where aggregate multiplexing is performed, such as differe ...

2002

Worst case burstiness increase due to FIFO multiplexing

Jean-Yves Le Boudec, Juan Echagüe

2002

Worst Case Burstiness Increase due to FIFO Multiplexing

Jean-Yves Le Boudec, Juan Echagüe

2002

Some Properties Of Variable Length Packet Shapers

Jean-Yves Le Boudec

The min-plus theory of greedy shapers has been developed after Cruz`s results on the calculus of network delays. An example of greedy shaper is the buffered leaky bucket controller. The theory of greedy shapers establishes a number of properties such as th ...

2002

HATS: Hierarchical Adaptive Transmission Scheduling for Multi-Application Adaptation

Willy Zwaenepoel

Applications running on a mobile wireless device most be able to adapt gracefully to limited and fluctuating network resources. When multiple applications run on the same device, control over bandwidth scheduling becomes fundamental in order to coordinate ...

2002

Bandwidth Allocation for Non-Responsive Flows with Active Queue Management

This paper addresses the problem of configuring active queue management systems (e.g. WRED and RIO) for service level specifications in Internetworks. In particular, we focus on Assured Forwarding (AF) for non-responsive flows in Differentiated Services ne ...

2002