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Blockchain Meets IoT-An Architecture for Scalable Access Management in IoT

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Literature Review 2021-04-26

provide a generic, scalable, and easy-to-manage access control system for IoT.
implement a PoC that proves the design
prove the architecture's feasibility rather than security.
Do not focus on the evaluation of the Ethereum network
manage the entire lifecycle access policies of the IoT devices regardless of their location or provenance.

Internet of Things (IoT) has become a technology with a large influence across many vertical markets
One of the technical challenges of having billions of devices deployed worldwide is the ability to manage them
Current IoT access management technologies are based on centralized models which introduce a new variety of technical limitations to manage them globally.
Centralized access control systems lack the ability to deal with increased load efficiently.

using Ethereum
introduces a new access management system that mitigates the issues associated with managing numerous constrained IoT devices
The architecture is backed by a proof of concept implementation and evaluated in realistic IoT scenarios
The solution is fully decentralized and based on blockchain technology
The IoT devices do not belong to the blockchain network, which makes easier integrating the current IoT devices to adapt to our system.

The results show that the blockchain technology could be used as access management technology in specific scalable IoT scenarios.
address the scalability problem of managing access to billions of constrained devices in the IoT
the solution scales well since numerous constrained networks can be connected simultaneously to the blockchain network using specific nodes called management hub nodes.
the solution can adapt to various IoT scenarios confirming that blockchain technology can embrace IoT technology at its fullest

Ethereum is one of the most popular blockchain-based distributed computing platforms
Literature already provides extensive analysis and benchmarking of the platform and its clients regarding performance and scalability capabilities.