On Tue, May 11, 2021 at 4:16 PM Ben Schwartz <bem...@google.com> wrote:
> > > On Tue, May 11, 2021 at 4:13 PM Brian Dickson < > brian.peter.dick...@gmail.com> wrote: > ... > >> What is the difference between >> >> foo.example.com HTTPS 0 foo.example.net >> >> and >> >> foo.example.com HTTPS 1 foo.example.net >> >> (and assume there is an HTTPS record at foo.example.net, which is the >> same in both of those example cases.) >> > > In the first case (AliasMode), the ServiceMode HTTPS record of > foo.example.net will be used. > In the second case (ServiceMode), the SvcParams are empty, and only the A > and AAAA records of foo.example.net will be used. > What if, instead of overloading the Priority 0 to also mean AliasMode, you had AliasMode be an SvcParams entry (which, if present, would be the only param allowed)? That would handle the AliasMode vs ServiceMode thing, and also allow MultiCDN. Assuming that if any RRs have AliasMode, they all must, but also allowing multiple aliases with different priorities... Brian
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