As is customary, I have done my AD review
of draft-ietf-ospf-transition-to-ospfv3-07.
First, I would like to thank the authors for their work on this document.
It looks like
very useful technology.
I have a few minor questions below. I will put this into IETF Last Call as
well while
waiting for the authors to update the draft ASAP. That gives a chance of
making it
on to the June 30 telechat if the authors are responsive.
Minor:
1) Sec 3.1: "If this is supported, the IPv4 data plane MUST resolve
the layer-2 address using Address Resolution Protocol (ARP) on
multi-access networks and point-to-point over LAN [RFC5309] for
direct next-hops on different IPv4 subnets."
I believe it is the IPv4 (i.e. layer-3) address to be resolved with
ARP - not the
layer-2 address.
2) Sec 3.3: "If IPv4 transport, as specified herein, is used for IPv6
address
families, virtual links cannot be
supported. Hence, it is RECOMMENDED to use the IP transport
matching the address family in OSPF routing domains requiring
virtual links."
From this section, I was expecting that "cannot" would be a "can". Did
I miss something? Can you clarify further?
3) Sec 1: 2nd to last paragraph: "In situations where the IPv6 deployment
is a
proper superset of the IPv4 deployment, it is expected that OSPFv3
would be transported over IPv6."
I believe the "proper" should be removed. If the IPv6 deployment is
exactly the same
as the IPv4 deployment, then it is expected that OSPFv3 would be
transported over
IPv6. As it is,how the case of equal deployment is handled is
unspecified.
Thanks,
Alia
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