Ted Hardie | 21 Aug 00:26

Re: Update of RFC 2838, tv: URI

At 11:40 AM +0200 8/20/06, Julian Reschke wrote:
>Hi,
>
>first of all, I was surprised to hear that there a "tv" URI scheme. Turns out, it hasn't been published
through the IESG, and the URI scheme hasn't been registered through IANA.

Actually, this looks like a bug in the IANA registry. The TV uri scheme is
described in RFC 2838, as the original poster notes.  That means it should
be (at the very least) be in the registry as provisional. Have the proponents
of changing it talked to the original authors to see if it is still in use according
to the original spec?  I believe Liberate made set-top boxes, for example,
which may still be in use and are pretty tough to upgrade.

The salient bit for this discussion seems to come from section 3.2 of 2838;
especially this text:

  In some cases, networks have multiple broadcast streams that need to
   be distinguished.  This is also handled in DNS style:

          tv:east.hbo.com     HBO East
          tv:west.hbo.com     HBO West

   It is important to note that these DNS-style identifiers need not
   match real hostnames; they should not be resolved to IP addresses
   using DNS.  Thus, using the terms as defined in RFC 2396, the "tv:"
   scheme is a Uniform Resource Identifier and not a Uniform Resource
   Locator.

   In order to support these identifiers in a "tv:" URI, a receiver must
   implement a means to map known identifiers to frequencies. The nature
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Gmane