"ODu." YourDictionary, n.d. Web. 26 May 2018. <http://www.yourdictionary.com/odu>.
ODu. (n.d.). Retrieved May 26th, 2018, from http://www.yourdictionary.com/odu
An entity for processing in an Optical Transport Network (OTN). An ODU comprises a frame or series of frames in their native protocol, encapsulated in a digital wrapper for network management purposes. See also digital wrapper, encapsulate, frame, network management, OTN, and protocol.