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As Internet usage grows, more efforts are put in analysing its internal performance, usually such analysis comes through simulation using different models. While simulation can provide a good approximation of network behaviour, modeling such a complex network as the Internet is very difficult if not impossible. This paper studies the network's performance from an experimental point of view using the...
To test the feasibility of using remote farms to perform real-time event selection in the trigger/data acquisition system for the ATLAS experiment at CERN, a proof of concept was set up during 2004. The behaviour of the request-response protocol to move application data has been measured for remote farms connected with different wide area networks including a dedicated lightpath, a virtual private...
Traditional analysis of network traffic generally neglects the existence of self-similarity. Many queue models such as Poisson process often underestimate the burstiness of traffic. Recent studies have revealed that self-similarity has a profound impact on network performance. In this paper, following the discussion of Poisson model and several commonly used self-similar models, an FTP traffic generation...
The design of a TCP-friendly layered video multicast scheme with thin layer partitioning is studied in this research. It was shown in Nahm et al. (2003) that the cumulative layered multicast with static layers can achieve TCP-friendly network adaptation with good fairness via the usage of thin layers. However, if the layer is thinner than the scale of network fluctuation, the convergence to the target...
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