Publication: Geographical Multicast Disruption Tolerant Networking Mechanism For Internet Of Things
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Date
2022-01
Authors
Wong Khang Siang
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Abstract
Disruption Tolerant Networking (DTN) has been developed to overcome the intermittent
connection issue between nodes in areas with poor wireless network connectivity
by employing a store-carry-forward paradigm to forward messages to the destination.
The existing networking protocols such as Transmission Control Protocol (TCP)
and User Datagram Protocol (UDP) are not suitable since there may never be an end-toend
path between the sender and the receiver. As the Internet of Things (IoT) devices
proliferate, enabling DTN support in IoT environments helps bridge the communication
gap between networks with intermittent connectivity such as rural areas and postdisaster
scenarios. Group communication is an essential service to enable information
exchange and sharing within a group and between groups in such networks. Furthermore,
some applications require reliable multicast support over resource-constrained
DTN networks. However, there is no well-defined standard for efficient and reliable
group communication in DTN. The group communication in a post-disaster scenario
that covers a large geographical area presents a more challenging environment for
the disaster relief personnel to communicate and coordinate search and rescue missions.
A group-based data delivery service is needed in DTN networks with multicast
support for communication over multiple geographical areas. In resource-constrained
IoT networks, the group-based data delivery needs to be enhanced to provide reliable
multicast support for use cases, such as reliable configuration updates.
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Computer science