[dns-operations] Configurable TC=1?

[Randy Bush]

> Given the fairly unmanageable state of global routing (especially when
> it comes to securing it), I won't hold my breath waiting for universal
> deployment of BCP 38.  Nice if it happens, but I wouldn't rely on it
> happening.

basic problem is that the pain is remote from the cause.  with so little
incentive, this will move very slowly.  the only effort i see to move
the pain closer to the cause is at layers 8-9.

randy