Filler - summarize various options. Maybe a 2-d graph with:
c | l | ^ i | e | i n | n t | multiple knobs, c | requires multiple r c | fallbacks, but a e o | non-SR solution works a m | s p | i l | n e | g x | require more uniformity, i | interop testing is easier, t | but writing correct server y | requires more effort +------------------------------------------------------ > increasing server complexity