any dangers of filtering every /24 on full internet table to preserve FIB space ?
randy at psg.com
Mon Oct 10 19:38:33 UTC 2022
< rant >
there once used to be 'swamp' space, down in the low 190s where /24s
were expected. and folk/rirs tried to keep shorter aggregates, e.g.
/19s, as the norm above swamp (negotiated at ietf/danvers). in those
days, one could actually filter above swamp on /19. for a while, one
could even have classful filters in A and B space.
and a soda pop used to be a nickel or a dime. those days are long
i expect that we will accept prefixes longer than /24 as things get
tighter. and i doubt we can socialize constraining that fragmentation
to one section of the space.
it is a tragedy that cidr and an open market has helped us more than
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