Re: [MBONED] [multrans] New Version Notification for draft-tsou-multrans-addr-acquisition-00.txt for the 2nd item "Multicast Source Discovery" of the interim meeting

[Ronald Bonica <[e-mail]>]

Hi Tom,

Response inline.....

> [PTT] As I see it, the wording you are looking for is this:
> 
> "To request a program instance that has been selected by the user, the
> receiver must signal the corresponding multicast group address and,
> depending on the deployment, unicast source address. In the IPTV case,
> it acquires these addresses from an electronic program guide supplied
> by
> the provider. During the transition from IPv4 to IPv6, it may happen
> that the IP version supported by the source network differs from that
> supported by the receiver. As a result, if the receiver and/or the
> electronic program guide is unchanged, the receiver will be unable to
> find addresses it recognizes and can use for signalling in the
> electornic program guide.

Yes, this is a good approximation.

> 
> "In cases other than IPTV, the receiver may receive the addresses it
> needs for signalling in a SAP (Session Announcement Protocol, RFCxxxx)
> announcement or directly through session-level signalling. For purposes
> of the analysis in this document the SAP announcement is the equivalent
> of the electronic program guide, since both are essentially a matter of
> acquisition of static data prior to the actual usage of that data. The
> strategy for dealing with the transition issues presented by
> session-level signalling may differ because of the latter's more
> dynamic
> nature."
> >

I'm not sure what this paragraph adds. 


                              Ron