Re: [Doh] Draft -09 and WGLC #2

[Patrick McManus <[e-mail]>]

,

>
>    DNS API clients MUST account for the Age response header's value
>    ([RFC7234]) when calculating the DNS TTL of a response.  For example,
>    if a RRset is received with a DNS TTL of 600, but the Age header
>    indicates that the response has been cached for 250 seconds, the
>    remaining lifetime of the RRset is 350 seconds.
>
>
> the TTL.  What this passage means is that the data that comes in to a
> DNS API client _is not_ suitable to hand straight to the local stub
> subsystem: instead, some additional processing MUST be performed in
> order to ensure that TTLs are not accidentally extended by accident.
>

That's not only what it means, it seems to me that's what it says :).. What
other words would help here? (Noting that this is not always a gateway.
Sometimes the HTTP client is the terminal client.)