LBP: a secure and efficient network bootstrapping protocol for 6LoWPAN

  • Authors:
  • HyunSoo Cha;Ki-Hyung Kim;SeungHwa Yoo

  • Affiliations:
  • Ajou University, Suwon, Korea;Ajou University, Suwon, Korea;Ajou University, Suwon, Korea

  • Venue:
  • Proceedings of the 5th International Conference on Ubiquitous Information Management and Communication
  • Year:
  • 2011

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Abstract

Bootstrapping is the way of associating a new node with a specific network with or without minimum human intervention and gets connected with the desired network. In this paper we propose a novel protocol "LoWPAN Bootstrapping Protocol (LBP)" for 6LoWPAN where the gateway or the PAN coordinator is multihop away from new sensor nodes and we prevent DoS attack by providing some roles to already commissioned devices. In our protocol we assume three different kinds of sensor nodes called new device as LBD, already bootstrapped device as LBA and gateway or PAN coordinator as LBS. An LBA helps an LBD to communicate with the LBS and eventually gets connected with the network. We also propose a novel LBA selection algorithm to select the best LBA in the bootstrapping phase. Our simulation result shows that our protocol is scalable as well as efficient in terms of number of control packets exchanged in the bootstrapping phase and average end-to-end delay between LBD and LBS. We compare LBP with basic flooding scheme i.e. bootstrapping using only broadcast of request and reply messages.