Error mitigation of Point-to-Point communication for fault-tolerant computing

Fault tolerant systems require the ability to detect and recover from physical damage caused by the hardware's environment, faulty connectors, and system degradation over time.
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This ability applies to military, space, and industrial computing applications. The integrity of Point-to-Point (P2P) communication, between two microcontrollers for example, is an essential part of fault tolerant computing systems. In this paper, different methods of fault detection and recovery are presented and analyzed.