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Re: Multicast interoperability


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  • From: Marty Bickford <>
  • To: Greg Shepherd <>, "R. P. Channing Rodgers, M.D." <>
  • Cc: , , ,
  • Subject: Re: Multicast interoperability
  • Date: Thu, 30 Sep 1999 11:56:29 -0700

I'll just add that the IP Multicast Initiative has run several multicast
interoperability events. However, these are "engineers only" and they have
not been overly publicized. We agree to refrain from discussing results.

PIM has been an issue because of both lack of implementation and reluctance
by some companies to test in an open environment....even if it is
restricted to engineers. However we hope that we can do some multi-vendor
testing over the next 6 months or so.

Instead, we've focused on instigating the progression of commercial
inter-domain multicast networks. As a part of the IP Multicast Summit we
are running a "Splash" project which is designed to do just that.
Interoperability and peering are key factors in the project.

We'd also like to work more closely with UOMIL!!

Marty

At 10:42 AM 9/30/99 -0700, Greg Shepherd wrote:
>
>The University Multicast Interoperability Lab (UOMIL) was established
>earlier this year to address just these issues. It's been slow going due
>to the lack of PIM implementation. For more info, go to:
>
>http:/uomil.uoregon.edu
>
>Greg
>
>On Thu, 30 Sep 1999, R. P. Channing Rodgers, M.D. wrote:
>
>>
>> Lary et al.,
>>
>> > From: "Lawrence A. Rowe"
>> > <>
>> >
>> > Hi -
>> >
>>
>> [...deletions...]
>> > one of the problems we're facing now is that the multicast protocols are
>> > changing and not all router vendors support them.
>> [...deletions...]
>> > Seems like there are several things we as a community might do.
>>
>> > 1. Establish some sort of interoperability test center. Perhaps someone
>> > would like to setup a laboratory within which vendors can bring there
>> > equipment to work out multicast problems.
>>
>> This is a terrific idea -- but who and where and funded how? Seems to
>> me that this is the sort of thing that the IP Multicast Initiative
>> (http://www.ipmulticast.com/) ought to support, or perhaps another group
>> of major vendors, perhaps setting it up at and through a university.
>>
>> > 2. We really need a way to deploy multicast. [...deletions...]
>> > As far as I know, there is no PIM-SM/MGPD public domain software
>> > implementation that we could deploy
>>
>> [...deletions...]
>>
>> > I suppose this comment is heresy, but comments?
>> > Larry
>> > --
>> > Professor Lawrence A. Rowe Internet:
>> >
>> > Computer Science Division - EECS Phone: 510-642-5117
>> > University of California, Berkeley Fax: 510-642-5615
>> > Berkeley, CA 94720-1776 URL: http://bmrc.berkeley.edu/~larry
>>
>> If it's heresy, you can plant my stake next to yours on the bonfire.
>> Solutions to these issues are long overdue, and the lack of solutions
>> is truly hindering a wider understanding of the virtues and potential
>> of multicast technology.
>>
>> Cheerio, Rick Rodgers
>>
>>
>
>

---
Marty Bickford - 408.879.8080 (8081-fax)
iBAND3 Conference Director
Stardust.com - http://www.stardust.com
QoS Forum - http://www.qosforum.com

iBAND3 - The Internet Bandwidth Management Summit
http://www.stardust.com/iband3/




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