There have been increasing demands for distributed operating systems to better utilize scattered resources over multiple nodes. This paper enlightens the challenges and requirements for the communication layers for distributed operating systems, and makes a case for a versatile, high-performance communication layer over InfiniBand network.
Manuscript received May 18, 2021. Manuscript publicized September 6, 2021. \u2020The author is with Ajou University, South Korea. \u2217This work is supported by Electronics and Telecommunications Research Institute (ETRI) grant funded by the Korean government (20ZS1310). a) E-mail: sanghoonkim@ajou.ac.kr DOI: 10.1587/transinf.2021EDL8049