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area.routing.92jul.txt
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Routing Area
Director(s):
o Bob Hinden: hinden@eng.sun.com
Area Summary reported by Bob Hinden/Sun
Border Gateway Protocol Working Group (BGP)
The BGP-4 Internet Draft was discussed. The Group received numerous
comments which resulted in many changes to the document but did not
change the resulting protocol. The editors will proceed to incorporate
these changes and then post the result to the Working Group mailing
list. If there are no further changes, the Working Group will present
this to the IESG for Proposed Standard.
The BGP Communities' attributes was presented and discussed. This is an
optional attribute which is useful for configuring BGP to help enforce
Acceptable use Policies (AUP). A revised specification will be posted to
the mailing list and then subsequently submitted to the IESG.
The BGP4/OSPF interaction document was discussed. A revised
specification will be posted to the mailing list and the submitted to
the IESG.
The BGP-4 usage document was discussed but closure was not reached. It
is still unclear as to how much aggregation should happen by default
with BGP-4. Discussion will proceed on the mailing list to resolve
this.
The BGP-4 MIB was discussed. The changes required from the BGP3 MIB
appear to be minimal.
IP Over Large Public Data Networks Working Group (IPLPDN)
The IPLPDN Working Group discussed Frame Relay <=> ATM inter-working and
offered input to the IP over ATM Working Group.
They discussed ``Shortcut Routing'' document. A revised version of the
Internet Draft will be produced.
The Group discussed the ``Directed ARP'' draft. After discussing the
draft the Group agreed to submit the draft for Proposed Standard.
The Group discussed IP over Circuit ID proposal and agreed on a
framework for an approach. An Internet Draft will be released for
review.
Also discussed was PPP parameter negotiation over Large Public Data
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Networks. The Group agreed on a general approach and will release a
draft for review.
Inter-Domain Policy Routing Working Group (IDPR)
The Group discussed the status of the ``gated'' version of IDPR. The
software is available form Robert Woodburn (woody@sparta.com) at SAIC.
There are still things to modify and add, but the software in generally
in good shape.
The Group also solicited help and received volunteer commitments for the
following tasks:
o DNS Support for address/domain translation.
o MIB document update and implementation.
o Configuration Guide Update.
o Ongoing IDPR ``gated'' support.
In addition, the Group introduced and discussed several topics for IDPR
enhancements. These include:
o Super domains.
o Multicast.
o Resource Allocation.
o Dynamic Source Policies for Hosts.
The Working Group also conducted a demo of the IDPR ``gated'' version.
The Group also held a joint meeting with the NIMROD Group.
Mobile IP Working Group (MOBILEIP)
The Mobile IP Group met as a real Working Group for the first time. The
first of two sessions consisted of presentations of three alternative
proposals for handling mobile IP hosts by Charlie Perkins of IBM, John
Ioannidis of Columbia University, and Fumio Teraoka of the Sony Computer
Sciences Lab.
The second session reviewed and approved the Groups Charter. They added
to the Charter a mention of the need to consider security and
authentication issues related to IP mobility. Andrew Maffei gave a
short talk on the problems of internetworking among ocean going vessels,
buoys, submarines, and seabed devices.
Steve Deering identified a number of similarities and differences among
the three proposed mobile host protocols and urged the Group to
distinguish between fundamental difference vs. ``engineering
trade-off's'' and to look for ways to combine the best features of each
proposal.
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Dave Kumpf described his experience with implementing the Columbia
Mobile Host protocol and the Group reviewed and discussed a written
critique of the protocol by Andrew Myles.
Multicast Extensions to OSPF Working Group (MOSPF)
The main topic discussed was interoperation of MOSPF with the Distance
Vector Multicast Routing Protocol (DVMRP) which is being used to support
the IETF audiocast.
John Moy reported on his experience with deploying MOSPF in some of the
OARnet routers in preparation for the audiocast. He found a few
unanticipated problems with mixing multicast capable and non-multicast
capable routers in the same OSPF domain. This will be noted in the
protocol specification. He also re-discovered the need for some
``glue'' protocol between MOSPF and DVMRP.
Steve Deering described DVMRP and the subset of DVMRP currently
implemented in the ``mrouted'' routing demon for Unix. The two major
shortcomings of the current implementation are:
1. The use of source-routing rather than encapsulation for multicast
tunnels.
2. The lack of multicast tree pruning.
The Working Group will submit the MOSPF draft as a Proposed Standard
after some minor editorial work by John Moy.
Open Shortest Path First IGP Working Group (OSPF)
The Group reviewed four documents that will soon be ready for
publication before the next IETF. These are:
1. Update to the OSPF V2 Specification.
2. Update to the OSPF MIB.
3. OSPF Trap MIB.
4. OSPF Not So Stubby Area (NSSA) Option.
They also discussed two different ways of running OSPF over Frame Relay.
Frame relay poses some special problems since it is a non-broadcast
network that is generally not fully mush connected. Approaches to
gracefully deal with OSPF database overflow was also discussed.
RIP Version II Working Group (RIPV2)
The Group made minor editorial changes to the RIP-2 Internet Draft.
They also made one type change to the RIP-2 MIB Internet Draft. This is
awaiting approval from the network management directorate.
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The Group plans to submit the RIP-2 Internet Drafts for inclusion in the
standards track.
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