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Evaluation of Plug Computers as a Flexible Home-Network Measurement Tool
Citation key V-EPCFHNMT-12
Author Vetter, Julian
Year 2012
Address Berlin, Germany
Month June
School Technische Universität Berlin
Abstract The number of home networks is increasing. Nowadays, almost every connections runs a router to connect more than one device to the Internet. The home networks have to fulfill specific requirements because of several reasons. The bandwidth is increasing, home users are used to QoS, and new devices crowd into those networks (e.g. smart phones, tablet computers, set-top boxes etc.); All from different vendors with different implementations. These points create new challenges for home networks. Hence, making measurements in home networks attractive and necessary for ISPs, regulatory authorities and companies. But legal and administrative reasons complicate the look into these edge networks. The interested entities are not allowed to examine the home networks without the explicit permission of all affected home users. One approach to solve this problem is to deploy a measurement device into households to perform measurements. We propose to use a plug computer for this purpose. Plug computers are small energy saving devices, yet more powerful than an average home router. In this work we want to verify if plug computers fulfill the requirements to work as flexible home-network measurement devices. We suggest the use of virtualization to share resources of the device with the home users and/or third parties in a save manner. With virtualization we want to increase the flexibility. It allows easier resource sharing, management and policy enforcement. Moreover with the advantages of virtualization we want to achieve a greater acceptance of the device among the home users. Part of the work has been spent on investigating low-level details of the Linux network driver used for the plug computer's network card. Because the only available virtualization solution does not provide direct support for the network card. Another aspect of this work is the automated execution of measurements with a measurement framework specially developed for this purpose. From this work we draw some general conclusions related to networking in virtualized Linux systems. In particular, we show how several network parameters vary depending on the virtualization and the number of oncurrently running virtualized systems.
Bibtex Type of Publication Master Thesis
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