The Efficacy of Centralized Flow Rate Control in 802.11-Based Wireless Mesh Networks

Provided by: EURASIP
Topic: Networking
Format: PDF
Commodity WiFi-based Wireless Mesh Networks (WMNs) can be used to provide last mile Internet access. These networks exhibit extreme unfairness with backlogged traffic sources. Current solutions propose distributed source-rate control algorithms requiring link-layer or transport-layer changes on all mesh nodes. This is often infeasible in large practical deployments. In wireline networks, router-assisted rate control techniques have been proposed for use alongside end-to-end mechanisms. The authors wish to evaluate the feasibility of establishing similar centralized control via gateways in WMNs. In this paper, they focus on the efficacy of this control rather than the specifies of the controller design mechanism.

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