M. Erramdani

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We examine the problem of evaluating the performance of TCP connections over wide area networks. Our approach combines experimental and analytic methods, and proceeds in three steps. First, we have used measurements taken over Renater to provide a basis for the chosen analytic model. This model turns out to be a shared bottleneck model, in which a finite(More)
In this paper we investigate the performances of the EFCI-based (Explicit Forward Congestion Indication) and ER-based (Explicit Rate) algorithms for the rate-based flow control of the ABR (Available Bit Rate) traffic in an ATM network. We consider the case of two switches in tandem. We present several definitions of bottleneck, and provide conditions that(More)
This article's aim is to put forward a system allowing the increase of feedbacks in social networks, by using collaborative concept in an effective, credible and transparent way. Furthermore, we show our system's architecture, indicators that calculate with a presentation several of social networks websites, their classifications, its major mechanisms, the(More)
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