Sharif Digital Repository

In this research, the physical structure of road transportation networks in Asia, Europe and Africa has been analyzed. With the analyses done in this research, we will recognize these networks and different combinations related to them. Paying more attention to existing transportation situations in mentioned geographical boundary will smooth the way to analyze and evaluate the development of business and carrying goods between the countries of these continents. In this research networks called Asia-Europe-Africa, AEA, are made which are recognized as road AEA networks and rail AEA networks according to basis transportation way available in them. These networks are made of three continental... 

In recent years, Internet of Things (IoT) devices have been rapidly increasing. The large number of these devices, along with their lower memory and processing power compared to other internet-connected devices, can expose IoT networks to various security threats. These threats undermine the data and communication infrastructure of these networks. Detecting attacks can be an effective factor in protecting IoT devices and networks. Among these attacks, Distributed Denial of Service (DDoS) attacks, which exploit vulnerabilities in the IoT infrastructure, can prevent users' access to network services through resource exhaustion, end-node saturation, and bandwidth saturation. This issue can be...