On Sat, Sep 27, 2025 at 08:47:00AM +1200, Brian E Carpenter wrote: > > On your point 2: when CoRE link format, that contains links with an IP > > literal in the URI, > > Especially, it is *guaranteed* to fail if the IP literal is an IPv6 > link-local address, since the URI cannot express the interface ID, > because the browser community has categorically refused the necessary > extension to the URI syntax. (RFC 6874 is obsolete.)
I don't think this is guaranteed to fail, at least not for CoAP clients. At least one CoRE document (RFC9176) has talked about link-local address in web links (and thus URLs) specifically, and taken a split-horizon-like view: As long as the request is made through a link-local address, the server *can* represent link-local addresses as long as it learned them on the same interface. BR Christian -- To use raw power is to make yourself infinitely vulnerable to greater powers. -- Bene Gesserit axiom
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