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Early Review of draft-ietf-idr-rfc8203bis-04
review-ietf-idr-rfc8203bis-04-opsdir-early-romascanu-2019-10-01-00

Request Review of draft-ietf-idr-rfc8203bis
Requested revision No specific revision (document currently at 08)
Type Early Review
Team Ops Directorate (opsdir)
Deadline 2019-09-25
Requested 2019-09-11
Requested by Susan Hares
Authors Job Snijders , Jakob Heitz , John Scudder , Alexander Azimov
I-D last updated 2019-10-01
Completed reviews Opsdir Early review of -04 by Dan Romascanu (diff)
Rtgdir Early review of -04 by Christian Hopps (diff)
Secdir Last Call review of -06 by David Mandelberg (diff)
Opsdir Last Call review of -06 by Dan Romascanu (diff)
Genart Last Call review of -06 by Dale R. Worley (diff)
Comments
Second request with more data 
The ID NIT Regarding this draft that states the text below is on the 
BCP 78 rights for RFC 4486.   These have been granted and confirmed 
during the RFC8203 discussion.   The reviewers can ignore this point. 

    The document seems to lack a disclaimer for pre-RFC5378 work, but may
     have content which was first submitted before 10 November 2008.  If you
     have contacted all the original authors and they are all willing to grant
     the BCP78 rights to the IETF Trust, then this is fine, and you can ignore
     this comment.  If not, you may need to add the pre-RFC5378 disclaimer. 
     (See the Legal Provisions document at
     https://trustee.ietf.org/license-info for more information.)
Assignment Reviewer Dan Romascanu
State Completed
Request Early review on draft-ietf-idr-rfc8203bis by Ops Directorate Assigned
Posted at https://mailarchive.ietf.org/arch/msg/ops-dir/7OLMAOHDwvRbWOAt7zuwask93bI
Reviewed revision 04 (document currently at 08)
Result Has issues
Completed 2019-10-01
review-ietf-idr-rfc8203bis-04-opsdir-early-romascanu-2019-10-01-00
This document defines an enhancement to the BGP Cease NOTIFICATION message
"Administrative Shutdown" and "Administrative Reset" subcodes for operators to
transmit a short freeform message to describe why a BGP session was shutdown or
reset.  This document updates RFC 4486 and obsoletes RFC 8203 by defining an
Extended BGP Administrative Shutdown Communication to improve communication
using multibyte character sets.

It's clear and rather straightforward, so a full RFC 5706 review would not
apply. However, I have some questions and issues that I would suggest to be
clarified before advancement and approval.

1. The document will obsolete, if approved, [RFC 8203]. The rationale for this
change is currently relegated in Appendix B. I suggest to be moved up forward
in the document, in the introduction section.

2. The 'Changes to RFC 8203' section should include an explicit list of the
changes such as length field and usage of multibyte character sets.

3. I do not know how widely deployed RFC 8203 may be, but we cannot exclude
that some versions do exist out there. I suggest that the Operational
Considerations sections include some information about what caution need to be
taken by the operators when migrating from supporting RFC 8203 to the new RFC.

4. What does 'an invalid length value' mean in 'Error Handling' now? Previously
RFC 8203 had a requirement that 'The length value MUST range from 0 to 128
inclusive.' This does not exist any longer now.