Microsoft Devs explain this in their "Algorithmic improvements boost TCP performance on the Internet"[1] article. TL;DR is that they had RACK (RFC draft) imple

Microsoft Devs explain this in their "Algorithmic improvements boost TCP performance on the Internet"[1] article. TL;DR is that they had RACK (RFC draft) implemented as an MVP but w/o the reordering heuristic. [1] https://techcommunity.microsoft.com/t5/networking-blog/algorithmic-improvements-boost-tcp-performance-on-the-internet/ba-p/2347061 https://techcommunity.microsoft.com/t5/networking-blog/algor...