[0] https://www.a10networks.com/blog/aflex-tutorial/
[1] https://community.f5.com/kb/technicalarticles/irules-concept...
[2] https://www.acoustic.com/tealeaf
[3] https://help.goacoustic.com/hc/en-us/articles/360043785173-E...
I guess to be fair if it hadn't been TCL they would have chosen something even worse.