S. K. Saha, Abhishek Kannan, Geunhyung Lee, Nishant Ravichandran, Parag Kamalakar Medhe, Naved Merchant, Dimitrios Koutsonikolas
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Multipath TCP in Smartphones: Impact on Performance, Energy, and CPU Utilization
This paper explores the potential benefits and pitfalls of Multipath TCP (MPTCP) in smartphones via an extensive experimental study over real Android applications. We consider different types of applications - upload vs. download intensive, network intensive vs. interactive - and a variety of network conditions, and we study the impact of MPTCP on performance, energy consumption, and CPU utilization. Our results reveal that the benefits of MPTCP in smartphone apps are lower than expected in theory; in several cases, MPTCP in fact can hurt both performance and energy consumption. Our findings can provide insights to smartphone designers and mobile app developers towards improving user experience and extending smartphone battery life.
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