TCP over low-power and lossy networks: tuning the segment size to minimize energy consumption

Details TCP over low-power and lossy networks: tuning the segment size to minimize energy consumption TCP over low-power and lossy networks: tuning the segment size to minimize energy consumption

2010-10-25

arxiv.org/abs/1010.5128v1

Computer Science

Networking and Internet Architecture

TELECOM Bretagne Research Report

Scientific paper

Low-power and Lossy Networks (LLNs), like wireless networks based upon the IEEE 802.15.4 standard, have strong energy constraints, and are moreover subject to frequent transmission errors, not only due to congestion but also to collisions and to radio channel conditions. This paper introduces an analytical model to compute the total energy consumption in an LLN due to the TCP protocol. The model allows us to highlight some tradeoffs as regards the choice of the TCP maximum segment size, of the Forward Error Correction (FEC) redundancy ratio, and of the number of link-layer retransmissions, in order to minimize the total energy consumption.

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