On 01/08/12 16:13, Mark Andrews wrote:
In message<[email protected]>, Wouter Cloetens writes:
On 01/08/12 03:26, Curtis Villamizar wrote:
Anything DNS related should be reliable. Therefore a secondary would
be preferable to not having one.
OTOH, the use case of a DNS lookup for a hostname or IP address for
which the last-hop router is offline (at the time of the lookup) is limited.
It is there; e.g. batch log processing on web servers, but that is for
informative purposes only, and doesn't cause connection failures.
This is crazy talk. We have absolutely no idea what will or will
not end up being run from the home. Whether people will need to
lookup information about the home when it is unreachable or not.
How do you debug if you can reach home or not if you can't get the
addresses of the machines at home?
If you need to run a reliable service, you shouldn't be running it from
your home. The use case of homenet is restricted to that.
What you understand as "crazy talk," I see as; trying to get something
working, in best-effort mode, taking into account the limitations of a
home network with a CE router in front of it.
We assume that a DynDNS-style approach simply will never scale for every
IPv6 address in the home, and therefore the home router has to be
authoritative, handling the requests.
The DNS was designed with the idea that there would be redundent
servers. It is not designed to deal with not being able to connect
to any servers for a zone and it really does not work well when
this is the case.
If you *are* running a service from home, there is always the option of
setting up DynDNS specifically for those hosts that need to be accessible.
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