Abstract

The Internet of Things (IoT) is evolving from a stovepipe architecture to a collaborative and shared converged architecture. In the future, it will become a network development trend to construct a network-based virtual operating platform by virtualizing the IoT infrastructure to support different IoT services. The trust issues encountered during resource aggregation in heterogeneous networks and state measurements limit the applicability of the virtual network operating platform. In this article, we propose a framework for an endogenous trusted network to support virtual network operation, provide shared services externally, allocate resources internally, and implement artificial-intelligence-driven customization services for trusted virtual resources for the IoT. We use the consortium blockchain to establish the endogenous trusted framework for heterogeneous networks through software-defined networking and network function virtualization. In this framework, we design a mechanism for on-chain and off-chain collaborative resource allocation. The framework integrates time prediction algorithms and resource allocation algorithms to predict resource demand and allocate resources to achieve customization and dynamic adjustment. The application of this framework in specific scenarios is described using application examples.

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