# Éric Vyncke, INT AD, AD review for draft-ietf-intarea-v4-via-v6-05
CC @evyncke
Thank you for the work put into this document. Please find below my AD review.

As the responsible AD, I expect all the points below to be addressed, either by 
a revised I-D, or an email reply. Of course, authors and WG can reject my 
points, but this needs to be justified. Once all the points are addressed, I 
will proceed with the publication process, i.e., IETF Last Call.

Special thanks to Luigi Iannone for the shepherd's detailed write-up including 
the WG consensus and the justification of the intended status even if I do not 
agree with it.

I hope that this review helps to improve the document,

Regards,

-éric

Note: this AD reviews follows the Markdown syntax of 
https://github.com/mnot/ietf-comments/tree/main, i.e., they can be processed by 
a tool to create github issues.

## Critical issues

### Intended publication status

It seems to me that it is rather an informational document than a proposed 
standard as this I-D does not specify anything but merely describe how existing 
implementations can be used.

The abstract actually uses words like in an informational I-D: `proposes` and 
`describes`

### Section 1

Please avoid the use of `we` as it is ambiguous: authors ? WG ? IETF community 
? Passive form is probably the easiest way to remove this issue.

### Section 3

Should the more usual "route information base (RIB)" and "forwarding 
information base (FIB)" be used rather than `routing table` and `forwarding 
plane` ? or at least appear in the text ?

### Section 4

Actually, this whole section is rather about having a "core" of routers not 
having IPv4 addresses and I do not think that this belongs to this 
limited-scope I-D. A simple reference to RFC 7404 should be enough (this would 
also avoid the downref to RFC 7600 4rd).

### Section 5

Strongly suggest following the format from section 2.1 if RFC 7942.

### Section 6

Should there be some positive aspects be listed ? E.g., reducing the IPv4 
address consumption ?

## Non-critical / cosmetic issues

Note: these points must also be addressed.

### Section 3.1

I wonder why the 1st paragraph uses `IPv4 prefixes` and `IPv6 addresses` rather 
than "prefixes" everywhere ?

### Section 3.3

s/Other protocol advertise/Other protocol advertise*s*/

### Section 5.2

Even if this section will be removed, please do not use RFC 1918 address (e.g., 
`ip route show 10.0.0.2`).

### Next-hop or nexthop or next hop?

Check for consistency as the 3 writings are mixed in this I-D.

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