Am 12.08.2016 um 07:32 schrieb Willmann, Robert:
Kevin Darcy wrote:In any case, multi-hop forwarding is always the least-preferred option.I wonder for which reason do you think this. Of course, any forwarding adds a additional hop and therefore additional delay and an additional possible point of failure. But this is true for any network-connection. So, what do you think are the DNS-specific downsides of forwarding? The only thing that comes to mind if I think about downsides of forwarding is that, if something goes wrong, the client only gets a generic SERVFAIL as errormessage instead of a specific explanation what exactly went wrong. Do you see other downsides to forwarding?
you get the lowest TTL in the whole chain and god beware none of the multi-hop forwarders have a cache hit so it makes it to the last in chain doing then recursion - it's a simple "worst case math"
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