Re: [DNSOP] The Larger Discussion on Differences in Response Drafts

[George Michaelson <[e-mail]>]

On Tue, Aug 16, 2016 at 10:57 PM, Tim Wicinski <[e-mail]> wrote:

> All of these documents are attempting to solve a larger problem in different
> ways. The end result is "Return Associated Answer" to the client.
>
> The question is starting to coalesce around these two premises:
>
> - Do we want to Server to PUSH any or all Associated Answers, or

This option reduces effective RTT delay. It has the most performace
improvement in DNS delay reduction, assuming the extra payload is
determined to be needed eg flags, or heuristical analysis of client
behaviour.

Its cost is additional data on the server->client path. Personally, I
think this is the best option and the one most likely to increase
cache coherence, timeliness, and reduce delay in the DNS phase.

>
> - Do we want the Client to PULL any or all Associated Answers, or

This minimizes traffic. Otherwise, it maximises delay if subsequent
query is needed. I would suggest that a client option or flag to
request this behaviour is plausible if PUSH is the norm.

>
> - Do we want the Status Quo?

This seems the safest option and the most inherently boring, and
pointless. Why are we here if we think the best bet is the status quo?
Down down, deeper and down...

-G
>