Subject: [MBONED] [Errata Verified] RFC8777 (6688)

From: RFC Errata System <[email-masked]>
Date: Tue, 5 Oct 2021 10:00:02 -0700 (PDT)

The following errata report has been verified for RFC8777,
"DNS Reverse IP Automatic Multicast Tunneling (AMT) Discovery". 

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You may review the report below and at:
https://www.rfc-editor.org/errata/eid6688

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Status: Verified
Type: Technical

Reported by: Dick Franks <[email-masked]>
Date Reported: 2021-09-19
Verified by: Warren Kumari (Ops AD) (IESG)

Section: 5

Original Text
-------------
   +-------+---------------------------------------+
   | 3     | A wire-encoded domain name is present |
   +-------+---------------------------------------+
   | 4-255 | Unassigned                            |
   +-------+---------------------------------------+

      Table 2: Initial Contents of the "Relay Type
                    Field" Registry

   Values 0, 1, 2, and 3 are further explained in Sections 4.2.3 and
   4.2.4.  Relay type numbers 4 through 255 can be assigned with a
   policy of Specification Required (as described in [RFC8126]).

Corrected Text
--------------
   +-------+---------------------------------------+
   | 3     | A wire-encoded domain name is present |
   +-------+---------------------------------------+
   | 4-127 | Unassigned                            |
   +-------+---------------------------------------+

      Table 2: Initial Contents of the "Relay Type
                    Field" Registry

   Values 0, 1, 2, and 3 are further explained in Sections 4.2.3 and
   4.2.4.  Relay type numbers 4 through 127 can be assigned with a
   policy of Specification Required (as described in [RFC8126]).

Notes
-----
Relay Type is a 7 bit field, the MS bit of the wire-format  octet contains the D-bit.

[Update: 2021-10-05 - AD: Confirmed that you can't fit 8 bits into a 7 bit field - see: https://mailarchive.ietf.org/arch/msg/mboned/cdzHm6Uxwuua5zsOONHtK-RmdU8/ ]

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RFC8777 (draft-ietf-mboned-driad-amt-discovery-13)
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Title               : DNS Reverse IP Automatic Multicast Tunneling (AMT) Discovery
Publication Date    : April 2020
Author(s)           : J. Holland
Category            : PROPOSED STANDARD
Source              : MBONE Deployment
Area                : Operations and Management
Stream              : IETF
Verifying Party     : IESG