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Blockchain mechanism with Byzantine fault tolerance consensus for Internet of Drones services
Author(s) -
Singh Jaya,
Venkatesan S.
Publication year - 2021
Publication title -
transactions on emerging telecommunications technologies
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.366
H-Index - 47
ISSN - 2161-3915
DOI - 10.1002/ett.4235
Subject(s) - blockchain , drone , scalability , byzantine fault tolerance , computer science , fault tolerance , distributed computing , flexibility (engineering) , computer security , the internet , protocol (science) , computer network , database , world wide web , medicine , statistics , genetics , alternative medicine , mathematics , pathology , biology
The increasing number of drones brings various issues like security risks, increasing air traffic, misuse or crash of drones, and so on. Blockchain can provide the solution to mitigate these problems of drones. Hence, in this article, we have presented the Blockchain of Drones (BCoD), a conceptual approach of collaboration between blockchain and IoD to make drones advantageous through blockchain properties. But the main challenge for adopting blockchain is scalability as consensus in blockchain relies on the message communications by replicated nodes to attain flexibility against faulty nodes. Considering this, we present an advanced byzantine fault tolerance (ABFT) consensus for drone‐based applications. This protocol provides scalability with minimum cost and resources for achieving general agreement. It uses only f  + 1 resources in normal case and 2 f  + 1 resources in faulty case with O ( n ) communication complexity. The systematic analysis and evaluation show that the ABFT improves the performance of the system for a wide range of networks compared with existing BFT systems.

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