[Pce] Scope of draft-ietf-pce-pcep-color draft

[Vishnu Pavan Beeram <[e-mail]>]

We (authors) are working through the issues identified during the WGLC [1]
and would like to seek further input from the WG on the following comment
from Diego [2] regarding the scope of the draft.

**
*Now, I think that this PCEP extension should not be limited to RSVP-TE
LSPs only. I know that colour is inherent to SR-Policy/CP and that PCEP
extensions defined in draft-ietf-pce-segment-routing-policy-cp already
cover this aspect, but there are SR-TE implementations out there that
follow RFCs 8231, 8281, and 8664 that may want to add support for colour
without having to implement support for
draft-ietf-pce-segment-routing-policy-cp.*
**

We would like to accommodate the above change and update the "Introduction"
as follows:
**

*   This document introduces extensions to PCEP to carry the color*

*   attribute associated with paths that are setup using RSVP-TE*

*   ([RFC8408]) or Segment Routing (SR) ([RFC8664]) or any other path*

*   setup type supported under the stateful PCE model.  The only*

*   exception where the extensions defined in this document are not used*

*   for carrying the color attribute is when an SR Policy path is setup*

*   using the extensions defined in*

*   [I-D.ietf-pce-segment-routing-policy-cp].  For these SR Policy paths,*

*   the associated color is already included as part of the policy*

*   identifier encoding.*
**

Are there any concerns with making this change?

Regards,
-Pavan (on behalf of the authors)

[1] https://mailarchive.ietf.org/arch/msg/pce/QDetx1Sn3LftKjcvSIRjWop82UI/
[2] https://mailarchive.ietf.org/arch/msg/pce/r7VCoYKfd2fy5l8dF999Spej04U/