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QoS-aware Cross-layer Mechanism for Multiple Instances RPL Host Publication: 2013 International Conference on Advanced Technologies for Communications (ATC 2013) Authors: L. Nguyen, M. Paule Uwase, J. Tiberghien and K. Steenhaut Publication Date: Oct. 2013 Number of Pages: 6
Abstract: In Low power and Lossy Networks (LNNs), routing has been considered as a main design and development challenge. This has led to the open design of the IPv6 routing protocol for LLNs called RPL. The protocol allows creating groups (instances) of multiple loop-free routing topologies over a physical network. The purpose of forming an optimized tree routing topology is to drive packets from the nodes to the collection point or sink which is the root of the tree. In this paper, we take advantage of extracted routing information to support high performance transmission of priority packets by proposing a QoS-aware cross-layer mechanism. The mechanism is explained and its performance is evaluated through simulation experiments. Simulation results show that the proposed mechanism provides high Packet Reception Ratio with low Packet Delivery Latency for priority traffic.
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