Content-Centric Networking at Internet Scale through The Integration of Name Resolution and Routing

We introduce CCN-RAMP (Routing to Anchors Matching Prefixes), a new approach to content-centric networking. CCN-RAMP offers all the advantages of the Named Data Networking (NDN) and Content-Centric Networking (CCNx) but eliminates the need to either use Pending Interest Tables (PIT) or lookup large Forwarding Information Bases (FIB) listing name prefixes in order to forward Interests. CCN-RAMP uses small forwarding tables listing anonymous sources of Interests and the locations of name prefixes. Such tables are immune to Interest-flooding attacks and are smaller than the FIBs used to list IP address ranges in the Internet. We show that no forwarding loops can occur with CCN-RAMP, and that Interests flow over the same routes that NDN and CCNx would maintain using large FIBs. The results of simulation experiments comparing NDN with CCN-RAMP based on ndnSIM show that CCN-RAMP requires forwarding state that is orders of magnitude smaller than what NDN requires, and attains even better performance

Supply Chain Management for Digital Enterprise, Psychological Aspect of Adaptation

Abstract- Information inaccuracy can adversely affect supply chain performances by lack of inventories, delay in delivery times, lost sales and decreased customer satisfaction. The article deals with the little-studied scientific problem of the psychological aspect of digital enterprise management in the fuel and energy complex and its high-tech enterprises. The purpose of this study, described in the article, is to develop the approaches to the use of digital enterprise personnel psychological management, which allows it to become value-oriented, adaptive to virtual technologies, psychologically resistant to changes and effective in supply chain management. The study used the methods of situational, structural and dynamic analysis, which provided the opportunity to study the psychology of digital enterprise management, to trace its changes in time, space and in close relationship with other phenomena. They used the systematic approach during the evaluation of digital enterprise management psychology. The study allowed to obtain scientific and practical results and conclusions. It noted that despite the revolutionary development of information technologies at digital enterprises and the increasing use of the virtual environment during the work with information, a person remains the main subject of activity. His subconscious is the deep layers of human existence, more and more involved in the processes of digitalization. However, this should not happen spontaneously. The subconscious mind can be edited by the employee himself and, with the help of special methods and techniques, be maintained at enterprises via psychological management in such a way that the digitalization processes do not conflict with the main value orientations of an individual, society and a state. The use of value-oriented psychology of management at digital enterprises of the fuel and energy sector will increase their stability, will enrich the culture of digital production and will improve the key performance of supply chain indicators significantly through the use of a psychological factor

Model of Economic Phenomenon

As is known, economic phenomena represent the most important part of the subject of economic science. However, modern economic theory avoids a clear definition of this category. Thus, it remains unclear what is economic phenomena, and thus the economy is in its essence as suc

Digitalization of Energy Manufacture: Infrastructure, Supply Chain Strategy and Communication

Abstract- The constant development of the electric power industry today leads to a decrease in the sustainability and growth of accidents in the “UES of Russiaâ€, necessitates the adoption of operational and supply chain management decisions that are not possible without digitalization. The problems that the industry will face in implementing digitalization projects are identified, namely: increased equipment wear; lack of funding, requirements for technological compatibility of the characteristics and parameters of power equipment and devices, unified switching standards (protocols) and information models, required number of instruments, equipment and software. Despite the obvious problems, digitalization is being actively implemented in the power industry. It is noted that the target model of digitalization in the power industry should include three blocks: digital technologies and databases, information technology infrastructure, including communication channels, information security systems. The spheres of application of existing and future digital technologies and databases at all stages of energy production are considered: generation, power grids, sales activities, in their relationship with the management bodies of the wholesale and retail electricity and capacity markets and regulatory bodies. The possibilities of using own and leased communication channels are critically evaluated, the advantages of various communication channels are revealed. It is noted that it is necessary to use channels based on fiber-optic communication lines as the main ones, and satellite communication channels as reserve ones. Special attention is drawn to information security. The components of the effect of digitalization for consumers, energy companies and the state are determined. It is proposed to introduce integrated indicators of the effect of digitalization. The proposed measures are necessary for the implementation of full-scale digitalization of the power industry, including the preservation of savings from digitalization in power companies, government support, and the creation of conditions for the development of active consumers

Effect of local thermal equilibrium misbalance on long-wavelength slow magnetoacoustic waves

Evolution of slow magnetoacoustic waves guided by a cylindrical magnetic flux tube that represents a coronal loop or plume, is modeled accounting for the effects of finite gas pressure, weak nonlinearity, dissipation by thermal conduction and viscosity, and the misbalance between the cooling by optically thin radiation and unspecified heating of the plasma. An evolutionary equation of the Burgers–Malthus type is derived. It is shown that the cooling/heating misbalance, determined by the derivatives of the combined radiative cooling and heating function, with respect to the density, temperature, and magnetic field at the thermal equilibrium affect the wave rather strongly. This effect may either cause additional damping, or counteract it, or lead to the gradual amplification of the wave. In the latter case, the coronal plasma acts as an active medium for the slow magnetoacoustic waves. The effect of the cooling/heating misbalance could be important for coronal slow waves, and could be responsible for certain discrepancies between theoretical results and observations, in particular, the increased or decreased damping lengths and times, detection of the waves at certain heights only, and excitation of compressive oscillations. The results obtained open up a possibility for the diagnostics of the coronal heating function by slow magnetoacoustic waves

Coronal Shock Waves, EUV waves, and their Relation to CMEs. II. Modeling MHD Shock Wave Propagation Along the Solar Surface, Using Nonlinear Geometrical Acoustics

We model the propagation of a coronal shock wave, using nonlinear geometrical acoustics. The method is based on the Wentzel-Kramers-Brillouin (WKB) approach and takes into account the main properties of nonlinear waves: i) dependence of the wave front velocity on the wave amplitude, ii) nonlinear dissipation of the wave energy, and iii) progressive increase in the duration of solitary shock waves. We address the method in detail and present results of the modeling of the propagation of shock-associated extreme-ultraviolet (EUV) waves as well as Moreton waves along the solar surface in the simplest solar corona model. The calculations reveal deceleration and lengthening of the waves. In contrast, waves considered in the linear approximation keep their length unchanged and slightly accelerate.Comment: 15 pages, 7 figures, accepted for publication in Solar Physic