I didn't know where the conversation on routing flows differently came from and just ignored it. Now I realize the thread has SDN in the title. SDN can mean many things and if someone didn't properly evaluate the link in the original post, their understanding could be tainted by their experiences.
From: "Mike Hammett" <nanog@ics-il.net>
To: "NANOG" <nanog@nanog.org>
Sent: Tuesday, January 3, 2023 9:43:58 AM
Subject: SDN Internet Router (sir)
To: "NANOG" <nanog@nanog.org>
Sent: Tuesday, January 3, 2023 9:43:58 AM
Subject: SDN Internet Router (sir)
https://github.com/dbarrosop/sir
I came across this over the weekend. Given that the project was abandoned six years ago, are there any other efforts with a similar goal (more intelligently placing routes into FIBs of low-FIB capacity devices?