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Re: Designing Multicast Domain for Academia


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  • From: Tyrone Kelly <>
  • Cc: wg-multicast List <>
  • Subject: Re: Designing Multicast Domain for Academia
  • Date: Fri, 30 May 2008 11:26:04 -0400

Hello ALL,

I was looking for advice, perhaps a multicast cookbook, as me and my colleagues are tasked with enabling our Wan to support Multicast. I operate a transport wan that many higher Ed institutions use for ISP services. We have 3 tier one ISPs that we peer with and we're connected to I2 and are on transit rail. '
Our impetus has been several request from institutions to enable multicast for the sake of receiving some multicast feeds like the Philadelphia Harmonic Symphony as well as other media. I feel that many institutions may become multicast sources as well.
Challenge one is obvious setting a Multicast peering relationship up with another AS as well as getting multicast enabled at the instituion's campus level. I have been researching and modeling and ASM/SSM ANYCAST AUTO-RP environment and I peer multiple RP's with MSDP. Is this a consistent practice in live networks? How does one guard against multiple ASM channels and receiving the wrong multicast , if possible? Is there a cookbook available?


THANKS


Tyrone D. Kelly


debbie fligor wrote:

For anyone else that doesn't have an Apple SE handy, mine suggested this:

The best thing to do is to file a new bug report at http://bugreport.apple.com . It will be set as a duplicate, but that becomes really obvious in the bug report.

FWIW, [my bug report] it's set to a P1, but for the Next Major OS (after the one we're currently working on, that is :-() There are currently 4 duplicates and three people have chimed in with impact information.


On May 28, 2008, at 10:21, debbie fligor wrote:

In discussion with my Apple SE this morning, it looks like IGMPv3 may not even be in the next major OS release (10.6 I assume) -- the main reason he can figure out looking at the bug report he filed for me is that in the multiple years that bug has been open, only 2 or 3 people have chimed in that it was important for them.

Apparently which things like this get implemented is often determined by user request/industry need. So if you would like to see it, contact your Apple SE and tell them you want it and why you need it and how important it is for you.

Even if I didn't want to test switches with Macs, if we want to go to IGMPv3 on our networks, we need all the clients on a given net playing with the same IGMP level, unless I misunderstand how the backwards compatibility works.


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

<http://www.uiuc.edu/ph/www/fligor>
"My turn." -River Tam




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

<http://www.uiuc.edu/ph/www/fligor>
"My turn." -River Tam







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