Here's a decoder ring...
In message: <6194.1164756521 at critter.freebsd.dk>
"Poul-Henning Kamp" <phk at phk.freebsd.dk> writes:
: given wall-clock (UTC) time.
UTC has leapseconds, and likely is adjusted by ntp.
: Others want to sleep on the absolute (TAI) timescale, such as TCP
TAI has no leapseconds and is a perfect monotonic timescale.
Warner