This dissertation explores different implementation strategies for the fragment-forwarding aspect of the 6LoWPAN protocol for "low power and lossy networks" (LLNs). The performance in terms of latency and reliability for the LLN-typical collection traffic pattern is analyzed for several "direct" and "reassembling" strategies. A novel approach based on snooping and suspending transmissions is developed and it is shown that this approach improves the end-to-reliability significantly in most of the evaluated simulation and testbed scenarios.
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- English
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Print ISBN
9783736996670
Edition
1Table of contents
- Acknowledgment
- Abstract
- Contents
- List of Tables
- 1 Introduction
- 2 Problem Statement
- 3 Analytic Model for 6LoWPAN-FragmentedForwarding
- 4 Simulation Model and Environment
- 5 Basic Forwarding Techniques for6LoWPAN-Fragmented Datagrams
- 6 Hardware-Assisted IEEE 802.15.4Transmissions
- 7 Basis Forwarding Techniques Revisited – aParameter Study
- 8 6LoWPAN Ordered Forwarding - 6LoOF
- 9 Conclusion and Outlook
- Bibliography