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Help listing why we need IGMPv3/SSM support


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  • From: debbie fligor <>
  • To: wg-multicast <>
  • Cc: debbie fligor <>
  • Subject: Help listing why we need IGMPv3/SSM support
  • Date: Mon, 7 Mar 2005 10:21:29 -0600

So I've got a feature request in at Apple for IGMPv3 support, and they'd like to know what Mac users wont be able to do if we don't have that support. I'm not that up on what's out there SSM-wise, can those of you that know what's available now, and what's in the pipeline that is SSM based help me out here?

any other useful points I should make? does having an IGMPv2 speaker using multicast on the same subnet as IGMPv3 speakers cause issues, problems (I vaguely recall that the local switch might back out to v2, but I'm not sure if that's only for the one host or for everything...).

thanks for any help you can provide!


The feature has been requested and I'd be happy to add impact information if you can give me some kind of idea about how this University will be impacted. I know that the number of machines will be difficult to determine, but what features or services will Mac OS X clients be unable to use should IGMPv3 not be added when the University starts using it? I read the part about wanting to use the Mac OS X machine for testing purposes, but more information on how it affects everyone else will help.

--

-debbie
Debbie Fligor, n9dn Network Engineer, CITES, Univ. of Il
email:

<http://www.uiuc.edu/ph/www/fligor>
"Every keystroke can be monitored. And the computers never forget."



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