Abstract
The problem of reliability and availability of the Internet of Things (IoT) from the point of view of the classical approach of reliability assessment using MIL-HDBK 217 is discussed in this paper. With the classical approach of reliability assessment using MIL-HDBK 217, only hardware reliability can be assessed, and the situation with the IoT is more complicated: billions of different things (devices), software programs, and human users are involved (networked). The reliability and availability of the IoT is not only a matter of a failure rate of elements (things), but also protocols, standardization, logistics support and other influences. The relation for the reliability calcuation of an IoT system is proposed.
Highlights
Reliability as theory and practice began to develop in the 50s of the last century
The problem of reliability and availability of the Internet of Things from the point of view of the classical approach of reliability assessment using MIL-HDBK 217 is discussed in this paper
Because of a complexity of the Internet of Things (IoT) and because the IoT includes hardware and software and sometimes humans, we suggest assessing the reliability of hardware, the reliability of software and the reliability of the human factor, and the reliability of the IoT system is calculated by the formula
Summary
Reliability as theory and practice began to develop in the 50s of the last century. Very soon MIL-HDBK-217 appeared. New challenges in reliability appeared in recent years They are Cloud Services and the Internet of Things, and since they are very complex and with many dependencies, this puts new requirements on research and education in reliability and reliability culture (Pokorni, 2016), (Pokorni, 2018). The problem of reliability and availability of the Internet of Things from the point of view of the classical approach of reliability assessment using MIL-HDBK 217 is discussed in this paper. With the classical approach of reliability assessment using MIL-HDBK 217, only hardware reliability can be assessed, and the situation with the IoT is more complicated: billions of different things (devices), software programs, and human users are involved (networked). The reliability of the IoT is a matter of a failure rate of elements (things), and of software, human factor, logistics support, standardization and other influences, such as, for example, energy efficiencies (green), security (hacking, etc.)
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