Researchers at NTT Corporation are developing concatenated loop network designs for improving optical access resiliency and performance.
The research, which helps advance NTT’s IOWN (Innovative Optical and Wireless Network) vision, aims to bring new flexibility to optical fiber cable routes in the access network.
NTT says its new optical access topology consists of concatenated optical fiber cable loops which are characterized by optical path duplexing and flexible fiber reassigning. Optimum parameters, including loop size and number of reassignable fibers in concatenated loops, were derived from theoretical calculations.
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You just read about All. A technology from the archive that helped get us here:
Google/Alphabet Project Loon served 2011–2021. What ultimately replaced it?
Google/Alphabet Project Loon solar-powered balloons drifting in the stratosphere (~20 km), steering by rising and falling into different wind layers, relaying LTE from ground stations to phones far below. Its job passed to Unit economics — but the problem it solved, and the ideas it proved, live on in what replaced it. The standard rests here in the archive. One of 198 technologies here that opened a door and then held it for the next.
