VANET (Vehicle Ad-hoc Network) is an emerging technology in today’s intelligent transport system. In VANET, there are many moving nodes which are called the vehicle running on the road. They communicate with each other to provide the information to driver regarding the road condition, traffic, weather and parking. VANET is a kind of network where moving nodes talk with each other with the help of equipment. There are various other things which also make complete to VANET like OBU (onboard unit), RSU (Road Aside Unit) and CA (Certificate authority). In this paper, a new PSO enable multi-hop technique is proposed which helps in VANET to Select the best route and find the stable cluster head and remove the malicious node from the network to avoid the false messaging. The false can be occurred when there is the malicious node in a network. Clustering is a technique for making a group of the same type node. This proposed work is based on PSO enable clustering and its importance in VANET. While using this approach in VANET, it has increased the 20% packet delivery ratio.

The need for more comfortable and humane living spaces has accelerated the development of smart homes. Many extremely intelligent houses are part of the internet of things. It operates with the dark web and ensures the privacy of incognito relays and massive data to properly manage customer requests. This increased demand gives rise to a great deal of concern regarding scalability, efficiency, and safety for a smart home system. Detailed data or the lowest levels that can be in a target set are granular data. In this chapter, the authors present the combination of integrating block-chain technology, dark web, and cloud computing in an effective manner. Blockchain technology is decentralized because it can serve processing services. To ensure the safety of the smart home network, the model employs multivariate correlation analysis and the detection of correlations between traffic functions. The performance of the architecture was evaluated with various performance parameters, and blockchain was found to be an effective security solution for future networks on the internet.

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