On Mar 7, 2012, at 15:22, Bill Fenner wrote:
>> RFC 3986 is not sacred.
>
> Of course it's not sacred.
Not sacred, but is is also not open for gratuitous changes.
I don't see a technical reason to do anything else than what you proposed
(i.e., not to stay within the confines of the standard).
> On the concern of hosts using a
> scope ID that does not fit in the IPvFuture grammar, RFC4007 says that
> you SHOULD support a fully-numeric scope ID, so hopefully users will
> be able to use the fully-numeric form. (Again, this goes to the rare
> use case to me.)
We could spec that fe80::1%foo\/bar
is translated into
fe80::1_foo_5c_2fbar
if that is a real concern (i.e., do our own hex coding of unsupported
characters [and "_" then of course]).
(I hope it isn't.)
<rant>
People who think they can build a URI with printf() are in for a surprise in
any case...
</rant>
> (Just a note about the use of "v6": the intent was to actually use
> "v1"; the change log at the end of -02 claims that it changed from
> "v6" to "v1" but the text didn't actually change. The version number
> is meant to be the version of the IPvFuture, not the version of the
> address inside it.)
(I like v6 much better... (Would be v0, anyway, otherwise :-))
There doesn't seem to be a registry for these things, which should be created
in the process; IANA can allocate that number then, which would move it out of
the bike shed cycle.
To make this all more concrete: The address:
fe80::1%en1
becomes part of a URI like this:
coap://[v6.fe80::1_en1]/...
which is really easy to explain and document.
Grüße, Carsten
PS.: unfortunately, it also is cOAp://[V6.fe80::1_en1]/...
Add a copy of 3986 3.1
An implementation
should accept uppercase letters as equivalent to lowercase in ___
names (e.g., allow "HTTP" as well as "http") for the sake of
robustness but should only produce lowercase scheme names for
consistency.
for good measure.
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