6 research outputs found
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End-to-End Delay Enhancement in 6LoWPAN Testbed Using Programmable Network Concepts
This paper introduces a proof-of-concept 6LoWPAN
testbed to study the integration of programmable network
technologies in relaxed throughput and low-power IoT devices.
Open source software and hardware platforms are used in
the implemented testbed to increase the possibility of future
network extension. The proposed architecture offers end-to-end
connectivity via the 6LoWPAN gateway to integrate IPv6 hosts
and the low data rate devices directly. Nowadays, SoftwareDefined
Networking (SDN) and Network Function Virtualization
(NFV) are the most promising technologies for dealing with the
massive increase in M2M devices and achieving agile traffic. The
developed approach in this paper is entitled tailored Software
Defined-Network Function Virtualization (SD-NFV), which is
aimed at reducing the end-to-end delay and improving the
energy depletion in sensor nodes. Experimental scenarios of
the implemented testbed are conducted using a simple sensing
application and the obtained results indicate that the introduced
approach is appropriate for constrained IoT devices. By utilizing
SD-NFV scheme in 6LoWPAN network, the data delivery ratio
increased by 5-14%, the node operational time prolonged by
70%, the end-to-end latency for gathering sensor data minimized
by ≈160%, and the latency for transmitting control messages
to a specified node diminished by ≈63% when compared to a
traditional (non SDN-enabled) 6LoWPAN network
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