Review Scalable Access Management in IoT using Blockchain
Subject Areas : information technology
Leila Qumarsi
1
*
,
Parisa Daneshjoo
2
1 -
2 - Ph.D., Assistant Professor, Islamic Azad University, Tehran West Branch, Computer Department, Tehran, Iran
Keywords: Access Management , Blockchain , Internet of Things (IOT), Scalable , Smart Contract,
Abstract :
The emergence of the Internet of Things (IoT) poses new technical challenges, such as managing a large number of IoT devices. Despite the fact that there are currently a variety of secure management frameworks for IoT, they are based on centralized models, which limits their applicability in scenarios with a large number of IoT devices. Centralization of management is considered a point of failure and is problematic in business objects. Centralized management is challenging for dynamic objects such as supply chain machines. In order to overcome these limitations, a distributed IoT management system based on blockchain was defined. In this approach, entities called administrators are responsible for managing access control permissions for a set of IoT devices. Management policies are stored in the blockchain, and management interactions with objects are performed through the blockchain. Blockchain is a decentralized digital ledger that does not require a single control center for management (such as a bank’s access system). In addition, blockchain has tamper-proof technology and is secure. The scalability of the proposed solution (decentralized access management) was investigated with centralized access management solutions in the Internet of Things and the results were evaluated. According to the results, scalability in centralized systems is very high, but the achievements of decentralized management are significant.
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