Moscow, July 13 – A reliable communication protocol for the smart city network was developed by NCFU scientists in cooperation with their Russian and foreign colleagues. According to experts, it will allow devices on the network to exchange information quickly, smoothly and securely, and solve the problem of data protection. The results of the study were published in the journal Sensors.
The researchers explained that the concept of a smart city is understood as the use of information technology to manage the urban environment. The goal of smart cities is to make the lives of residents more comfortable and safe, as well as to save resources and space. The simplest example is street lighting, which turns on automatically when there is a lack of natural light.
A smart city consists of many elements, including video surveillance, emergency call systems, biometric systems, city services, banking, smart transportation, and much more. It must meet the following requirements: fast connection, reliability and data security.
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Scientists from the North Caucasus Federal University (NCFU), in collaboration with colleagues from the Institute of System Programming of the Russian Academy of Sciences, as well as from Mexico, the Republic of Korea and Uruguay, have developed a reliable communication protocol with multipath adaptive routing for a smart city concept.
According to them, it increases the resistance of the sensor network to attacks of various kinds, including unauthorized interception, message forgery, errors, failures in node and network communication, loss of information in the event of attacks or accidents, etc. It also allows you to optimize resources to create and maintain a smart city.
NCFU specialists explained that the protocol is based on modified MANET (Dedicated Mobile Networks) routing. The peculiarity of this wireless network is that each of its nodes participates in routing by forwarding data to other nodes.
MANET was originally developed for low-power networks, such as rescue communications, so that people can quickly exchange short messages.
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“In our development, we used the residual caste system, as well as secret sharing schemes, which are based on that,” Gladkov said.
He explained that when information is encrypted, the key is shared among all devices (participants). To recover the key and decrypt the information, it is necessary that all participants present their parts. If a virtual attacker intercepts the information, it will not be able to use a single fragment received.
According to scientists, this approach does not have the limitations inherent in traditional encryption methods for secure information transmission. In addition, the resulting solution reduces data redundancy, resulting in less use of large equipment, energy savings, and message storage volumes.
“The further task of the scientific team is to improve the established protocol, as well as to compile the network that works with it for further testing,” Gladkov concluded.
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NCFU is a participant in the Priority 2030 State University Development Program.