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Code-Empowered Lightwave Networks

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Optimistic Atomic Broadcast: A Pragmatic Viewpoint

André Schiper, Fernando Pedone

This paper presents the Optimistic Atomic Broadcast algorithm (OPT-ABcast) which exploits the spontaneous total order message reception property experienced in local area networks in order to allow fast delivery of messages. The OPT-ABcast algorithm is bas ...

1999

Scalable IP multicast for many very small groups with many senders and its application to mobility

Jean-Yves Le Boudec, Ljubica Blazevic

We consider the problem of multicast routing in a large single domain network with a very large number of multicast groups with small number of receivers. Such a case occurs, for example, when multicast addresses are statically allocated to mobile terminal ...

1999

New multichannel Ethernet protocol for passive optical star local area networks using coherent transmission

Philippe Robert, Hector Garcia, Caroline Brisson

A new optical local area network that combines dense Wavelength Division Multiplexing (WDM) techniques and coherent transmission benefits is presented. A new multichannel protocol is specified based on Ethernet, using WDM to carry multiple channels on a si ...

1998

Fault Localisation for optical networks

Jean-Yves Le Boudec, Carmen Mas

A single failure in a communication network may trigger many alarms. When the communication network uses optical fibres as a transmission medium and increases its capacity by using Wavelength Division Multiplexing (WDM) and Space Division Multiplexing (SDM ...

1998

Optimistic Atomic Broadcast

André Schiper, Fernando Pedone

Optimistic Atomic Broadcast F.Pedone and A.Schiper This paper presents an Optimistic Atomic Broadcast algorithm (OPT-ABcast) that exploits the spontaneous total order message reception property experienced in local area networks, in order to allow fast del ...

1998

Optimistic Atomic Broadcast

André Schiper, Fernando Pedone

1998

Quality of Service Renegotiations

Jean-Yves Le Boudec

Giving users simple access to QoS selection capability of ATM networks is important for the future of integrated services networks. We describe the first instance of an application in which users had the capacity to tune ATM traffic parameters with a butto ...

1998

Design Protection for WDM Optical Networks

Jean-Yves Le Boudec, Olivier Crochat

With WDM networks, the failure of a single link or component may cause the simultaneous failure of several optical channels, potentially making impossible the restoration by rerouting in higher layers directly using the optical network (SDH, ATM, IP). To a ...

1997

Object-oriented method and architecture for virtual private network service management

One of the major trends in the evolution of current corporate networking is an increasing need for high performance long distance communications. Provided as an alternative to leased lines networks, virtual private networks (VPNs) are gaining increasing ac ...

EPFL1996

Prévention de la congestion dans le service “best-effort” des réseaux locaux ATM

In ATM local area networks, several kinds of traffic, such as data, video and voice, are likely to coexist. Some of this traffic has stringent delay and jitter requirements, which can only be guaranteed to be met through bandwidth reservation. In contrast, ...

EPFL1995