A METHOD OF ESTIMATING THE RELIABILITY OF HIGHLY RELIABLE REDUNDANT SYSTEMS BASED ON CONTINUOUS MODELS

The paper deals with the method of assessing the reliability characteristics of highly reliable systems on the example of data centers, including many servers, some of which are considered as backup. The technique is based on the construction of approximate continuous models, which simplifies the calculations of highly reliable systems with redundancy. The paper presents the calculated relations that allow to estimate the average time between system failure and the average time of system recovery on the basis of the proposed approach. An example of the calculation of reliability characteristics. It is noted that the accuracy of calculations of reliability characteristics increases with the number of elements in the system. Classes of problems on calculation of reliability characteristics in the field of computer equipment are given, where the offered technique can bring undoubted benefit: calculation of reliability of the equipment of large computer systems and computer networks. (C) 2019 INT TRANS J ENG MANAG SCI TECH.