Hi,
I have a few concerns on the necessity of this draft.
1. Necessity of protocol change
The draft proposes to add the default route as part of router LSA but it is not
clear why this is required.
The draft in sec 5.2 vaguely talks about without clarifying the real issue
"We are introducing a new type of default route with a local behavior.
The current use of default route as type 3 or as type 5 cannot solve
some of the use cases and more specifically in the Data center
topologies."
If the spoke nodes are connecting only to the HUB (which is what hub and spoke
topology is)then there is no way spoke would be learning OSPF routes
from other than the HUB. It doesn't look necessary to advertise default routes
in route LSAs
2. The draft doesn't talk about the other possible hub and spoke topologies
like hierarchical hub and spoke,
Multiple interfaces connecting to one Hub, A group of spoke nodes
connecting to hub etc. There should be a section on topology
Restrictions to identify what topologies this draft intends to support.
3. The draft proposes to advertise router-capability for this feature but it
is not clear how this information is used.
4. The draft talks in-length about the normal LSA and modified LSA but it is
not clear how to distinguish between the two.
5. The document uses first person language in many places which is not
appropriate for an internet draft.
6. I am in agreement with Anton on the p2mp use case which is completely missed
from the draft
IMHO, the draft needs more work before being adopted by WG.
Rgds
Shraddha
-----Original Message-----
From: OSPF [mailto:[email protected]] On Behalf Of Acee Lindem (acee)
Sent: Tuesday, January 26, 2016 10:09 PM
To: OSPF WG List <[email protected]>
Subject: [OSPF] WG Adoption Call for "OSPF Stub Neighbors"
This draft was has gone through some refinements after being presented in
Hawaii and in Yokohama there was some support of this protocol extension.
Here is a URL for you convenience.
https://datatracker.ietf.org/doc/draft-raza-ospf-stub-neighbor/
Please indicate your support (or concerns) for adopting this as a WG Document.
The WG Adoption call will end in 2 weeks.
Thanks,
Acee
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