A Cache Based Traffic Regulator for Improving Performance in WEEE 802.11s based Mesh Networks

Wireless mesh networks (WMNs) are evolving to be the key technology of the future. They aim to provide broadband wireless Internet service to a large community of users by exploiting multi-hop wireless communications between access points thus replacing wired infrastructure. However, in multi-hop networks, flows spanning multiple hops suffer from extremely low throughputs compared to flows traversing fewer hops. In particular, some shorter hop length flows can severely degrade the performance of flows traversing more hops. This is highly undesirable in the envisioned scenarios of mesh networks. In this paper, we propose an elegant most frequently seen cache based traffic regulator that identifies and appropriately regulates the rate of such flows. Extensive simulations reveal that our proposed scheme effectively identifies and controls the traffic from aggressive flows and helps in substantially improving the performance of longer hop length flows