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This article introduces the new L4S standard (RFC 9331) for addressing Internet congestion issues, specifically, buffers on networking devices. It appears to be a congestion notification mehcanism. Presumably it is superior to the queuing algorithms implemented on routers. My OpenWRT router, for example, offers a choice of queuing algorithm.
https://www.zdnet.com/home-and-office/networking/new-l4s-standard-is-poised-to-speed-up-your-internet-and-reduce-latency/
#networking #NetworkCongestion #standards