The current stage in the evolution of logistics theory and supply chain management is characterized by an increasing interest in a range of new concepts, such as sustainable development, sustainability, strength, flexibility, adaptability, reaction speed, and reliability. The improvement of reliability and efficient organization of supply chains have an impact not only on the activities of individual economic entities included in this supply chain, but also on the pace and proportions of economic development of the Russian national economy as a whole.The article analyses domestic and foreign scientific works, which consider issues of supply chain reliability, essence and concept of strategic approach and strategic alternatives for optimal strategy formation of supply chain reliability improvement. Factors affecting the formation of reliability strategies in supply chains, requirements and methods ensuring reliability of supply chains are systematized. An integral indicator for evaluating the reliability of the supply chain is proposed and a system of reliability indicators is formulated. This indicator measures the quality of the developed strategy for improving the reliability of the supply chain and compares the reliability of the supply chain before and after the formation of the strategy and the reliability of the various supply chains.

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