The FOA is primarily interested in communications fiber optics, so this book will focus on that application. Here is began about 40 years ago in the R&D labs (Corning, Bell Labs, ITT UK, etc. ) and was first instaake sensors. To the best of our knowledge, various research works carried out in Iraq so far have not touched on the point of effective. In this paper, we have designed and evaluated a fibre-optic Metropolitan Area Network (MAN) connecting 31 governmental institutions across a 12 km × 12 km area. Using OPNET Modeler, three network topologies, Star, Mesh and Ring, are simulated and evaluated for performance metrics that consist of. The proposed framework will utilize disseminated fiber optic sensors to screen temperature in genuine time, giving a comprehensive set of oilfield execution by analyzing information gotten from a arrange of fiber optic sensors. Cable types can include: Simplex- Simplex cables are fib ease operational visibility of energy systems. Ubiquitous real-time monitoring by high spatial resolution sensing provides new information for advanced data analytics enh ement Systems and Energy. The Ministry of Communications reports that more than 3. 5 million in 2022, and 276,000 in 2021.