articles

An iterative process of information exchange protocols development is suggested. Protocol visual modeling, protocol mathematical model analysis and protocol application analysis are the main stages of the process. Yanus protocol analyzer that implements extended SPI-calculus methods and IKAM network software package are presented.

The problems of information security management in contemporary corporative information systems are reviewed. An application of risk assessment is considered as an instrument of information system security analysis. An improved algorithm of risk calculation is proposed, and the problems of its approbation are touched upon.

The issues of personal data protection are being widely discussed inside authority and busi¬ness institutes as well as by individuals. Lack of legitimate basis and officially approved recommendations for law enforcement procedures are causing unsatisfactory situation in this field. In particular data operators are experiencing serious problems with personal data transborder transferring. The legal foundation of this activity is discussed.

The problem of this research is very urgent in present economical conditions. Frequent studies of this question confirm this opinion. A great number of papers devote to this item but substantially information set forth in the science literature is generalized; in numerous numbers of monographs considered to this question the particular items of Investment management problem are examined. It is necessary to take into account contemporary conditions during the study of this problem. High significance and scanty practical elaboration of Investment management in manufacture processes problem determine indubitable novelty of this research.

This article discusses problems how to manage companies with aim of creating value for the shareholders with a key factor of management success being the selection of the optimal development strategy. In this paper we propose mathematical methods for solving problem how to build a strategy that will deliver correct management decisions taking into account external macroeconomic constraints, and a company's internal restrictions on the amount of resources and the positive effects of implementing the solutions.

Communication systems developing and services networking contributed to operations research progress in two ways. From one hand a number of economic processes simulation systems (e.g., Actor Pilgrim) appeared. From another hand queuing theory models and techniques were elaborated. The article deals with stochastic models of queuing networks.