Ibraheem Raed Altaha and Jong Myung Rhee. Studies on Optical High-Availability Seamless Redundancy (OHSR). NUPSR-V1 [Internet]. 2021 Feb. 15 [cited 2026 Jun. 13];:136-55. Available from: https://stm.bookpi.org/NUPSR-V1/article/view/210