On the intertwining between capacity scaling and TCP congestion control

Authors:
Carla Panarello;Marco Ajmone Marsan;Alfio Lombardo;Marco Mellia;Michela Meo;Giovanni Schembra
Affiliations:
University of Catania - Italy;DET, Politecnico di Torino - Italy and IMDEA Networks - Spain;DIEEI, University of Catania - Italy;DET, Politecnico di Torino - Italy;DET, Politecnico di Torino - Italy;DIEEI, University of Catania - Italy
Venue:
Proceedings of the 3rd International Conference on Future Energy Systems: Where Energy, Computing and Communication Meet
Year:
2012

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Abstract

Recent works advocate the possibility of improving energy efficiency of network devices by modulating switching and transmission capacity according to traffic load. However, addressing the trade-off between energy saving and Quality of Service (QoS) under these approaches is not a trivial task, specially because most of the traffic in the Internet of today is carried by TCP, and is hence adaptive to the available resources. In this paper we present a preliminary investigation of the possible intertwining between capacity scaling approaches and TCP congestion control, and we show how this interaction can affect performance in terms of both energy saving and QoS.