> > Suppose I want to get a multicast address so I can advertise a session > > (e.g., on a web page). I do this two weeks in advance of the event. I > > want the address to last one day only. The key point is that I will > > want to use the address staring two weeks from now. > > > > However, because unicast lifetimes are only a week, that's too far > > into the future to actually get the address (yet), so the address > > can't be obtained yet. This would seem like it might be a problem. Is > > it? (I don't know how this scenario fits with the way multicast is > > actually used in IPv4, so this really is a question.) > > This is a good question, and in fact it's not multicast specific. > Here's the unicast equivalent:
Unless I'm missing something really obvious, shouldn't you both simply be advertising a domain name? Put the address into DNS when the time comes and everybody will be happy. -- George Mitchell -------------------------------------------------------------------- IETF IPng Working Group Mailing List IPng Home Page: http://playground.sun.com/ipng FTP archive: ftp://playground.sun.com/pub/ipng Direct all administrative requests to [EMAIL PROTECTED] --------------------------------------------------------------------
