Subject: [Technical Errata Reported] RFC8200 (5173)

From: RFC Errata System <[email-masked]>
Date: Sun, 29 Oct 2017 00:05:54 -0700 (PDT)

The following errata report has been submitted for RFC8200,
"Internet Protocol, Version 6 (IPv6) Specification".

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You may review the report below and at:
http://www.rfc-editor.org/errata/eid5173

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Type: Technical
Reported by: Fernando Gont <[email-masked]>

Section: 4.5

Original Text
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   reassembled original packet:

   +---------------+-----------------+---------+--------+-//--+--------+
   | Per-Fragment  |Ext & Upper-Layer|  first  | second |     | last   |
   |    Headers    |     Headers     |frag data|fragment|.....|fragment|
   +---------------+-----------------+---------+--------+-//--+--------+

Corrected Text
--------------
   reassembled original packet:

   +---------------+-----------------+---------+--------+-//--+--------+
   | Per-Fragment  |Ext & Upper-Layer|  first  | second |     | last   |
   |    Headers    |     Headers     | fragment|fragment|.....|fragment|
   +---------------+-----------------+---------+--------+-//--+--------+

Notes
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The figure in the "original text" is inconsistent with an earlier figure of the "original packet" (in page 18), where the "Ext & Upper-Layer Headers" part is followed by "first fragment" (rather than "first fragment data").

As an alternative to the "corrected text" above, one could modify such earlier figure (s/first fragment/first fragment data/), but this would beg a definition of "how is a fragment composed?" i.e., what's "fragment data" and what's not).

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RFC8200 (draft-ietf-6man-rfc2460bis-13)
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Title               : Internet Protocol, Version 6 (IPv6) Specification
Publication Date    : July 2017
Author(s)           : S. Deering, R. Hinden
Category            : INTERNET STANDARD
Source              : IPv6 Maintenance
Area                : Internet
Stream              : IETF
Verifying Party     : IESG