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The IESG | 3 May 2010 21:01
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Last Call: draft-ietf-mboned-ipv4-uni-based-mcast (Unicast-Prefix-based IPv4 Multicast Addresses) to Proposed Standard

The IESG has received a request from the MBONE Deployment WG (mboned) to 
consider the following document:

- 'Unicast-Prefix-based IPv4 Multicast Addresses '
   <draft-ietf-mboned-ipv4-uni-based-mcast-06.txt> as a Proposed Standard

The IESG plans to make a decision in the next few weeks, and solicits
final comments on this action.  Please send substantive comments to the
ietf <at> ietf.org mailing lists by 2010-05-17. Exceptionally, 
comments may be sent to iesg <at> ietf.org instead. In either case, please 
retain the beginning of the Subject line to allow automated sorting.

The file can be obtained via
http://www.ietf.org/internet-drafts/draft-ietf-mboned-ipv4-uni-based-mcast-06.txt

IESG discussion can be tracked via
https://datatracker.ietf.org/public/pidtracker.cgi?command=view_id&dTag=9142&rfc_flag=0

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Leonard Giuliano | 6 May 2010 22:23
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Re: WGLC on draft-ietf-mboned-session-announcement-req


During WGLC for draft-ietf-mboned-session-announcement-req-03, only 3 
people spoke up (1 in favor, 2 opposed).  This is obviously not enough 
input to determine consensus either way, and we'd like to receive more 
input from the WG before making a decision on this document.

Please respond if you'd like to see this document advanced or not, as well 
as if you think this document is ready for publication.

Thanks,
Lenny and Greg

-) 
-) We would like to start the Working Group Last Call on "Requirements for IP
-) Multicast Session Announcement" to close on April 15, 2010 at Midnight, UTC.
-) The latest version of the draft can be found at:
-) 
-) http://tools.ietf.org/html/draft-ietf-mboned-session-announcement-req-03
-) 
-) Please review the document carefully, and send your feedback to the list.
-) Please also indicate whether or not you believe that this document is ready
-) to go to the IESG.
-) 
-) 
-) Thanks,
-) Lenny and Greg
-) 
-) 
-) 
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Greg Shepherd | 6 May 2010 22:34
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Re: WGLC on draft-ietf-mboned-session-announcement-req

Inline:

On Wed, Apr 7, 2010 at 12:30 PM, Leonard Giuliano <lenny <at> juniper.net> wrote:
>
> Speaking solely as an individual contributor and not a chair, I do not
> support this draft going forward.
>
> SAP is an obsolete remnant from a previous century used to provide content
> discovery.  There are many far more scalable and robust ways to discover
> content on the Internet today (eg. Google, RSS, etc).  No one would ever
> imagine doing network-based content discovery for unicast content, thus I
> see no reason to do it for mcast.

SAP spawned from the same early assumptions which gave us Network
Based Source Discovery in the control-plane as well. ASM has no place
in interdomain multicast and I would agree that neither does SAP.

Greg

> The fact that mcast content may be
> ephemeral is not convincing; there is plenty of ephemeral content in the
> unicast world, yet people somehow find it without a SAP-like mechanism in
> unicast.
>
> I personally believe we should let SAP die with dignity.
>
> -)
> -) We would like to start the Working Group Last Call on "Requirements for IP
> -) Multicast Session Announcement" to close on April 15, 2010 at Midnight, UTC.
> -) The latest version of the draft can be found at:
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