Russ White was kind enough to take minutes at the RTGWG meeting at IETF-67.
The slides for the presentations are posted at the meeting materials website
Goals and milestones revision, John Scudder
Stewart Bryant: Should we include the loop free as a distinct goal
John: Sounds fine, if no other comments, we'll publish to the list
GTSM to Standards Track, Dave Myer
Dave: Would you use multihop?
Ted: We could
Dave: You could engineer from many more places
Ted: You still have the requirements to do loopback peering
John: You can do loopback to loopback
Dave: That's not the same thing as multihop, multihop is engineered
less than 255
Ted: And I can see that, but it would be nice to have with
multiple paths between attached peers. Probably half of our peers
have multiple paths, some of which might be multiple hops.
Chandra: We ahve a shipping version with multipath, and customers
have asked us to keep it in there
Dave: Okay, that's good feedback. We couldn't analyze this in any way
to convince ourselves that the security properties of this are
Alex: What is the output of this discussion? Are you going to add
Dave: We need to go back and look at it, and discuss it more.
John: Multihop is still in there, just as an appendix, so you're
Alex: The document needs to be clearer as to the security properties
Chandra: I'm not certain of the point of multihop? You can set the
TTL to anything, so it doesn't matter.
Dave: If you use multihop, and you accept packets within that trust
radius, you don't know much about where that packet came from. It's a
lot weaker thing than TTL==255 on a connected segment.
Ted: I dont' understand how something so simple has taken so long to
get through. Moving it or removing it, and agreeing to do it later.
Dave: Sense of the room, removing multihop to the appendix, as
non-normative, would this be a good way forward?
Sense of the room: Yes
Summary of Design Team Meeting for IPFRR/microloop, Mike Shand
No comments from the mic
oFIB: Show of hands, lots of support
Notvia: Show of hands, lots of support
Alex: How do you identify the changes you signal in the completion
Stewart: Was Alex talking about this new stuff, or the main draft?
Francios: The length of the message and the description of the state
Alex: I would like to a description in a more algorithmic way.
Loop Free Framework
Stewart: Can we take a sense of the room on progressing the loop free
framework doc to informational as a WG doc?
Sense of the room: Unanimous amoung those who have actually read it.
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