Then the load balancer should return default records or 0.0.0.0/:: to
indicate the name is good but doesn't currently have a address.
I like that solution, actually. Even if the client doesn't recognize
it
as a "special" address, hopefully if it tries to connect to it, the
packet won't make it past the first router or switch hop...
Has anyone proposed this to the load-balancer vendors?
Isn't this just a specific instance of configuring a load balancer's
fallback address? E.g., when server A and B are both down, give
address of
server C. Some load balancers allow configuration of a server D to
be used only if C is down as well. Address C or D could be configured
to be 0.0.0.0 and configured with no test for "up-ness".
(Not that I'm completely happy with 0.0.0.0 or any other address that
local folks could conceivably have figured out some crazy use for.)
John
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