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- CURRENT_MEETING_REPORT_
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- Reported by Steve Deering/Xerox PARC
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- MOSPF Minutes
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- Agenda
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- 1. Review John Moy's draft specification of March 4.
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- 2. Discuss outstanding issues:
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- o Inter-area delivery trees
- o Inter-AS delivery trees
- o Multicast group scope
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- 3. What next?
- o Progress of specification
- o Implementations?
- o Testing?
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- Minutes
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- Most of the meeting was spent on Agenda Item 1, a page-by-page review of
- John's latest spec. We agreed to one significant change: to merge the
- separate concepts of the ``SPF cache'' and the ``forwarding cache'', and
- to refer to the ``local group cache'' as something other than a
- ``cache'', perhaps a ``list'' or ``table''. There were also a number of
- minor or editorial changes suggested, that John will incorporate in the
- next draft.
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- Under Agenda Item 2, we discussed (again) the alternatives for
- inter-area and inter-AS routing. The group agreed to the inter-area
- scheme proposed by John, which is based on RPF for identifying entry
- routers, but using FPF within an area. The inter-AS approach, however,
- remained unclear, pending decisions by the BGP Working Group, which is
- considering a number of proposals by Scott Brim. Steve and Scott also
- described a couple of proposals for adding some sort of scope limits to
- group memberships (orthogonal to the use of TTL for scope of multicast
- transmissions); possibilities include a scope subfield within an IP
- multicast address, or a separate scope parameter in the Join Group
- operation (and in the resulting IGMP message). This remains a topic for
- future consideration.
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- 1
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- For Agenda Item 3, John agreed to incorporate the suggested changes and
- to flesh out the missing sections of the spec, except for those parts
- dealing with inter-AS routing, and to make the document available as an
- internet draft. Scott and Jeff Honig at Cornell are planning to
- implement the OSPF multicast extensions within ``gated'' as time and
- resources permit.
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- Attendees
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- William Babson bill%penril@uunet.UU.NET
- Scott Brim swb@devvax.tn.cornell.edu
- Rob Coltun rcoltun@trantor.umd.edu
- Steve Deering deering@xerox.com
- Barbara Denny denny@sri.com
- Kurt Dobbins dobbins@ctron.com
- Dino Farinacci dino@3com.com
- Dennis Ferguson dennis@canet.ca
- Jeffrey Honig jch@devvax.tn.cornell.edu
- Anders Klemets klemets@cs.cmu.edu
- Michelle Landriault crm57a@bnr.ca
- Bill Manning bmanning@houston.sc.ti.com
- Greg Minshall minshall@wc.novell.com
- John Moy jmoy@proteon.com
- Gary Mussar mussar@bnr.ca
- David O'Leary oleary@sura.net
- Steven Sherry shsherry@eng.xyplex.com
- Stephen Shew sdshew@bnr.ca
- Frank Solensky solensky@clearpoint.com
- Paul Tsuchiya tsuchiya@bellcore.com
- Osmund deSouza desouza@osdpc.ho.att.com
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