I have complained about this idea - there seem to be more problems than
value in it. It is not backward compatible, so anything that will use it
must be prepared for a peer that doesn't support it, by falling back to
the 0.0.0.0 form. That means everyone must continue to support the old
way, which give nobody any incentive to use the new way.
I am not aware of any new developments on this front.
Paul
Song, Youngsun wrote:
> Hi,
>
> In RFC3725 for 3PCC BCP, it has the following statement regarding black
> holed SDP which contains c=0.0.0.0.
>
> "Note that the usage of 0.0.0.0, though recommended by RFC 3264,has
> numerous drawbacks. It is anticipated that a future specification will
> recommend usage of a domain within the .invalid DNS top level
> domain instead of the 0.0.0.0 IP address. As a result, implementors are
> encouraged to track such developments once they arise."
>
> Could anyone please tell me what the status of this development is,
> where this is being discussed and whether this is being implemented?
>
> Thanks,
> YoungSun
>
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