Hi Yingzhen, 

Thanks for the detailed review. I have incorporated all your comments in -12. 

> On Dec 2, 2025, at 7:40 PM, Yingzhen Qu <[email protected]> wrote:
> 
> Hi authors,
> 
> Thanks for working on this document. I have some comments for you to consider.
> 
> 1)
> Section 2.2, the description and the topology of Figure 2 don't seem to 
> match. It seems there are two links between node A and B, A and C, C and D, 
> and B and D according to figure 3 and 4. Can you please confirm?


Yes, the base topology is wrong as the links from A to B and C to D are to be 
used exclusively for flex algo.


> 
>  2)
> "
> 3. LSLinkInfinity-Based Solution
> "
> Maybe change this to "LSLinkInfinity Based Solution"?

I don't much care. It is a compound adjective modifying "solution" similar to 
"YANG-based" modifying
"management-protocosl" in the YANG security template. However, the title reads 
well without the
hyphenation and I changed it. 

> 
> 3)
> In Section 3.1, "IGP metric" is used instead of "OSPF metric". 

There are multiples of these - I fixed them all. 

> 
> 
> 4)
> "
> Prior to this specification, OSPF treated links advertised as
> LSLinkInfinity as reachable [RFC2328].
> "
> Maybe "Prior to this specification, OSPF treated links with an advertised 
> metric of LSLinkInifinity as reachable."


Sure. 

> 
> 
> 5)
> Section 3.3
> RFC6987 applies to both OSPFv2 and OSPFv3, why is MaxReachableLinkMetric only 
> discussed for OSPFv2?

Right, RFC 6987 allows the use of either MaxLinkMetric or the Router-LSA R-bit. 
I've updated "OSPFv2" to "OSPF". 

Recently, I worked on a customer POC involving OSPF and LDP and realized I 
needed to add RFC 5443 as well. 
This is included in section 3.4. 

Thanks,
Acee


> 
> Thanks,
> Yingzhen
> 

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