De Donato, Walter (2011) Large Scale Benchmarking of Broadband Access Networks: Issues, Methodologies, and Solutions. [Tesi di dottorato] (Inedito)

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Tipologia del documento: Tesi di dottorato
Lingua: English
Titolo: Large Scale Benchmarking of Broadband Access Networks: Issues, Methodologies, and Solutions
Autori:
AutoreEmail
De Donato, Walterwalter.dedonato@unina.it
Data: 30 Novembre 2011
Numero di pagine: 159
Istituzione: Università degli Studi di Napoli Federico II
Dipartimento: Informatica e sistemistica
Scuola di dottorato: Ingegneria dell'informazione
Dottorato: Ingegneria informatica ed automatica
Ciclo di dottorato: 24
Coordinatore del Corso di dottorato:
nomeemail
Garofalo, Francescofranco.garofalo@unina.it
Tutor:
nomeemail
Pescapè, Antoniopescape@unina.it
Ventre, Giorgioventre@unina.it
Feamster, Nickfeamster@gatech.edu
Data: 30 Novembre 2011
Numero di pagine: 159
Parole chiave: performance, broadband, networks
Settori scientifico-disciplinari del MIUR: Area 09 - Ingegneria industriale e dell'informazione > ING-INF/05 - Sistemi di elaborazione delle informazioni
Depositato il: 15 Dic 2011 12:07
Ultima modifica: 30 Apr 2014 19:49
URI: http://www.fedoa.unina.it/id/eprint/8954
DOI: 10.6092/UNINA/FEDOA/8954

Abstract

The Internet today counts about 2.1 billion users worldwide, thus representing a highly complex system on which huge amounts of data are transferred every day over the IP protocol. Most people rely on Internet connectivity for everyday activities, making broadband access an essential resource, whose performance have not been widely studied in literature. On one hand, evaluating IP networks performance is a challenging task which is made even more difficult by the heterogeneity of underlying protocols and technologies. On the other hand, the complexity of emerging applications makes it difficult to understand the relation between network and user-perceived performance. In this thesis we address the evaluation of IP networks performance with a specific focus on broadband access networks. We start presenting an overview of the Internet scenario with respect to the heterogeneity of access technologies and the complexity of new generation applications. Hence, we conduct research activities on both the analysis and characterization of traffic generated by new-generation applications and the identification of relevant metrics, methodologies, techniques and tools to evaluate network performance. We conduct a study on the evaluation of broadband access networks performance, in which we propose a taxonomy of existing approaches and define the guidelines to build an architecture with ideal characteristics to measure access networks performance on a large scale. As a result of the preceding analysis we identified the ideal characteristics for an architecture able to evaluate the performance of broadband access networks on a large scale. Following such guidelines, we designed and implemented two architectures respectively adopting the router- and client-based approaches, in order to evaluate their potentialities and the eventual advantages deriving from a combined approach. Thanks to this activity we devised new methodologies and techniques to cope with several challenges arose during the different phases from the design to the deployment. Thanks to the data collected through these architectures, we also found some interesting results about real access networks, by identifying and characterizing relevant issues affecting most of them.

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