Re: Using DNS for SSM

[Toerless Eckert <eckert@cisco.com>]

> >> Can someone explain to me what the urgent need for SSM specific
> >> channel addresses is ? I agree that it is a nice-to-have,
> 
>     I don't see any urgency. What gave you that idea?

Just all these mails ;-))

> >> channel addresses is ? I agree that it is a nice-to-have,
> >> but such a mapping alone does not allow a user who wants
> >> to receive a channel to simply type the address and then receive
> >> the content.
> 
>     Sure it does. Just like most apps, you can type a DNS name or an address.
>     The Schoch proposal is not forcing apps to use this.
> 
>     Toerless, are you proposing SDP attributes in a DNS record.   ;-)
> 

I really haven't followed track on all the RR's being available,
there are just too many of them. Isn't there a RR mapping from
a DNS record to a URL and application-type of that URL ?

fashion.tv  IN URL  http:/fashion.tv/session.sdp application/x-sdp

A receiver application if presented with something like a domain name
could look it up, and if has such a URL RR with application type x-sdp,
then it would get the sdp file.via the URL given.

And if you have a (S,G) channel with S=1.2.3.4, G=5.6.7.8,
then you could do something along the lines of:

5.6.7.8.ipv4channel.4.3.2.1 IN PTR fashion.tv

Cheers
	Toerless