This review summarizes recent progress and emerging trends in multiparameter optical fiber sensing, emphasizing techniques that enable the simultaneous measurement of temperature, strain, acoustic waves, pressure, and other environmental quantities within a single sensing network. High-bandwidth and multi-point acoustic and vibration sensing is a critical asset for real-time condition monitoring, maintenance, and surveillance applications. In the case of large scales and harsh environments, optical fiber distributed sensing has emerged as a compelling alternative to. Distributed fiber optic sensing (DFOS) techniques such as Distributed Strain Sensing (DSS), Distributed Acoustic Sensing (DAS) and Distributed Temperature Sensing (DTS) are powerful tools for continuous monitoring of large assets. Continuous health is ensured through predictive maintenance and real-time. range, and typically measure only a single parameter at a time. Depending on the technology used e. RM-Fiber for real-time attenuation analysis or OTDR for high-precision fault localization – our systems detect deviations quickly, support.