This is an Early Review, requested by the WG chair.

Document: draft-ietf-idr-cpr-02
Reviewer: Yingzhen Qu
Review Date: May 31, 2024
Intended Status: Informational

Summary:
This draft proposes inter-domain intent-aware routing based on existing
mechanisms to advertise IPv6 Colored Prefixes: BGP IPv6 Unicast Address
Family and color extended community. 

Comments and nits:

The Abstract is a bit long, the authors may consider moving some content
from the abstract to the introduction.


233    While in some special cases, one intent may be represented as
234    different color value in different domains, then the Color Extended
235    Community in the CPR routes may be updated at the border nodes of the
236    domains based on the color-mapping policy.

[Q]: why "may be updated" instead of "SHOULD be updated"?
[comments]: Please consider adding an example of one intent with different
colors in different domains.


323    forwarding process using H.Insert.Red behavior is shown as below:

[comments]: Please add a reference for H.Insert.Red .

334    The packet encapsulation and forwarding process using H.Encaps.Red
335    behavior is shown as below:

[comments]: Please add a reference for H.Encaps.Red.


420    There may be multiple inter-domain links between network domains,. A

nits: extra ","