Re: [dnssd] New Version Notification for draft-sctl-service-registration-02.txt

Tim Wattenberg <mail@timwattenberg.de> Mon, 16 July 2018 19:17 UTC

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From: Tim Wattenberg <mail@timwattenberg.de>
Date: Mon, 16 Jul 2018 21:17:21 +0200
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Subject: Re: [dnssd] New Version Notification for draft-sctl-service-registration-02.txt
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 2018-07-16 20:47 GMT+02:00 Tom Pusateri <pusateri@bangj.com>:

> Section 2 says:
>
> 'In other network environments, updates for names ending in
> "services.arpa" may be rewritten internally to names with broader
> visibility.’
>
> And Section 2.2 says:
>
> ‘...and let the DNS-SD Service Registration server handle rewriting that
> to a different domain if necessary.’
>
> When the registration server rewrites the domain, does it send the new
> domain back in the response? I couldn’t find that anywhere in the document.
> Does it have to send back all of the records in the request? Can it send
> just a header if the Zone doesn’t change and the TTL doesn’t change? Can it
> only complete the Zone section if the zone name changes but the TTL stays
> the same with nothing changes in the Update section?
>

This was in an earlier version of the draft (see https://github.com/
StuartCheshire/draft-sctl-service-registration/blob/
51b7cb54300fea7e44e8e7dee49c17e9f598b3ba/draft-sctl-service-
registration.txt#L204):

> The response to the DNS Update being used to register the service will
> contain the rewritten names, instead of ".local". Subsequent updates should
> still use the ".local" domain and not the registration domain, since the
> registration domain may change over time or when the service is physically
> moved to a new network.
>

However it got removed with the following iteration when moving to the
"services.arpa" domain.