Re: [Sip] Question regarding conflicting grammar for IPV6 SIP URI andRFC 3986

The SIP URI is not the only one with this problem - RFC 3860 (im-URI), RFC 3859 (pres-URI), RFC 3508 (h323-URI), and who knows what else violate that rule.

Seems to me any "fixing" should be done to RFC 3986, probably as an errata.

-hadriel

> -----Original Message-----
> From: sip-bounces@ietf.org [mailto:sip-bounces@ietf.org] On Behalf Of
> Vijay K. Gurbani
> Sent: Thursday, December 18, 2008 5:43 PM
> To: Brett Tate
> Cc: SIP@ietf.org
> Subject: Re: [Sip] Question regarding conflicting grammar for IPV6 SIP URI
> andRFC 3986
>
> Brett Tate wrote:
> > Greetings,
> >
> > Mike's interpretation looks correct.  Is this something that should be
> > fixed?  If so, should the fix be placed within
> > draft-ietf-sip-ipv6-abnf-fix?
>
> What should the fix be?  Mike's claim is that rfc3261
> violates rfc3986, yet rfc3986 is internally consistent
> in that it requires IPv6 literals to be enclosed in "[" and "]",
> viz:
>
>     IP-literal = "[" ( IPv6address / IPvFuture  ) "]"
>
> At the same time, rfc3261 is internally consistent in that
> it requires IPv6reference to be enclosed in "[" and "]", viz:
>
>    IPv6reference  =  "[" IPv6address "]"
>
> Furthermore, I don't think the intent is to produce SIP-URI (as
> defined in rfc3261) from a URI (as defined in rfc3986), is it?
> Note that rfc3986 defines URI as:
>
>    URI = scheme ":" hier-part ...
>    heir-part = "//" ...
>
> If this was true, a SIP URI would need to be produced as:
>
>    sip://[2001:db8:10] ...
>
> In other words, I am trying to understand what the exact
> problem is before we try to figure out where to put the
> fix in...
>
> Thanks,
>
> - vijay
> --
> Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent
> 1960 Lucent Lane, Rm. 9C-533, Naperville, Illinois 60566 (USA)
> Email: vkg@{alcatel-lucent.com,bell-labs.com,acm.org}
> Web:   http://ect.bell-labs.com/who/vkg/
> _______________________________________________
> Sip mailing list  https://www.ietf.org/mailman/listinfo/sip
> This list is for NEW development of the core SIP Protocol
> Use sip-implementors@cs.columbia.edu for questions on current sip
> Use sipping@ietf.org for new developments on the application of sip
_______________________________________________
Sip mailing list  https://www.ietf.org/mailman/listinfo/sip
This list is for NEW development of the core SIP Protocol
Use sip-implementors@cs.columbia.edu for questions on current sip
Use sipping@ietf.org for new developments on the application of sip