Re: [Bier] Roman Danyliw's Discuss on draft-ietf-bier-bar-ipa-12: (with DISCUSS and COMMENT)

"Jeffrey (Zhaohui) Zhang" <zzhang@juniper.net> Wed, 11 May 2022 20:17 UTC

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From: "Jeffrey (Zhaohui) Zhang" <zzhang@juniper.net>
To: Roman Danyliw <rdd@cert.org>, The IESG <iesg@ietf.org>
CC: "draft-ietf-bier-bar-ipa@ietf.org" <draft-ietf-bier-bar-ipa@ietf.org>, "bier-chairs@ietf.org" <bier-chairs@ietf.org>, "bier@ietf.org" <bier@ietf.org>, Greg Mirsky <gregimirsky@gmail.com>, "aretana.ietf@gmail.com" <aretana.ietf@gmail.com>
Thread-Topic: Roman Danyliw's Discuss on draft-ietf-bier-bar-ipa-12: (with DISCUSS and COMMENT)
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Archived-At: <https://mailarchive.ietf.org/arch/msg/bier/QJ7ZWVScIU3ClT51Od0tC0fmFr8>
Subject: Re: [Bier] Roman Danyliw's Discuss on draft-ietf-bier-bar-ipa-12: (with DISCUSS and COMMENT)
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Hi Roman,

Sorry for the late response. I took some time off and was catching up slowly.
Please see zzh> below.


Juniper Business Use Only

-----Original Message-----
From: Roman Danyliw via Datatracker <noreply@ietf.org> 
Sent: Tuesday, April 19, 2022 1:58 PM
To: The IESG <iesg@ietf.org>
Cc: draft-ietf-bier-bar-ipa@ietf.org; bier-chairs@ietf.org; bier@ietf.org; Greg Mirsky <gregimirsky@gmail.com>om>; aretana.ietf@gmail.com; gregimirsky@gmail.com
Subject: Roman Danyliw's Discuss on draft-ietf-bier-bar-ipa-12: (with DISCUSS and COMMENT)

[External Email. Be cautious of content]


Roman Danyliw has entered the following ballot position for
draft-ietf-bier-bar-ipa-12: Discuss

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----------------------------------------------------------------------
DISCUSS:
----------------------------------------------------------------------

** Section 2.

   If a BAR value is not specified in a RFC but only privately used for
   a deployment, it MUST be within the "240-254 Experimental Use" range
   of the registry.

If this document is redefining “experimental use” to be “privately used for a deployment” please provide the appropriate applicability statement that bounds this “deployment”.

Zzh> The intention is that if a deployment uses a BAR value that is not covered in a specification, then it must be from that range. Based on the suggestions I've updated the text as the following:

    If a specification is not available for a specific BAR, its 
    value MUST be from the Private or Experimental Use range of 
    the registry.


----------------------------------------------------------------------
COMMENT:
----------------------------------------------------------------------

Thank you to Vincent Roca for the SECDIR review.

** Section 2.  I support Paul Wouter’s DISCUSS on his concerns on:

   If a BAR value is not specified in a RFC but only privately used for
   a deployment, it MUST be within the "240-254 Experimental Use" range
   of the registry.

This text suggests that BAR values will be either published in an RFC or NOT.
The current ranges in that IANA registry (https://urldefense.com/v3/__https://www.iana.org/assignments/bier/bier.xhtml*bier-algorithm__;Iw!!NEt6yMaO-gk!U2KKSOJNf6MUTSOAxpFfuY4UsnsdVEYq9h-pZlVjGtJ_XvgyJtSTfAjnJ_WxfsG1$ ) suggest that that only 0-127 is an RFC (Standards Action), but 128 – 239 could be either RFC or other specification (Specification Required).

Zzh> Please see the above new text.

** Section 2.

The definition for the BAR and IPA fields in [RFC8401] and [RFC8444]
   are updated as follows.

 Please be specific on which text is being modified – Section 6.1 of RFC8401  and Section 2.1 of RFC8444.

Zzh> Yes it will be fixed in the new revision.
Zzh> Thanks!
Zzh> Jeffrey