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3GOL: Power-boosting ADSL using 3G OnLoading

Claudio Rossi, Narseo Vallina-Rodriguez, Vijay Erramilli, Yan Grunenberger, Lazlo Gyarmati, Nikolaos Laoutaris, Rade Stanojevic, Dina Papagiannaki, Pablo Rodriguez
3GOL: Power-boosting ADSL using 3G OnLoading
In ACM CoNEXT 2013, Santa Barbara, CA, December 2013 

The co-existence of cellular and wired networks has been exploited almost exclusively in the direction of OffLoading traffic from the former onto the latter. In this paper we claim that there exist cases that call for the exact opposite, i.e., use the cellular network to assist a fixed wired network. In particular, we show that by “OnLoading” traffic from the wired broadband network onto the cellular network we can usefully speedup wired connections, on the downlink or the uplink. We consider the technological challenges pertaining to this idea and implement a prototype 3G OnLoading service that we call 3GOL, that can be deployed by an operator providing both the wired and cellular network services. By strategically OnLoading a fraction of the data transfers to the 3G network, one can significantly enhance the performance of particular applications. In particular we demonstrate non-trivial performance benefits of 3GOL to two widely used applications: video-on-demand and multimedia upload. We also consider the case when the operator that provides wired and cellular services is different, adding the analysis on economic constraints and volume cap on cellular data plans that need to be respected. Simulating 3GOL over a DSLAM trace we show that 3GOL can reduce video pre-buffering time by at least 20% for 50% of the users while respecting data caps and we design a simple estimator to compute the daily allowance that can be used towards 3GOL while respecting caps. Our prototype is currently being piloted in 30 households in a large European city by a large network provider.