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Re: Host-based may be the way to go, but network controls are neccessary
How would you propagate routing or metric changes to host after it have
done the lookup?
That doesn't have to be the case. Today, hosts already perform a
host/domain name to IP address mapping. You wouldn't take a significant
performance hit by looking up the addresses learnt from the DNS in the
routing table and tag them with some kind of routing metric. And if you
have access to routing at this stage, you can see which exit each
addresss takes so which source prefix should be appropriate.
- kurtis -