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[Softwires] [Technical Errata Reported] RFC7599 (7160)

RFC Errata System <rfc-editor@rfc-editor.org> Wed, 12 October 2022 13:44 UTC

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Subject: [Softwires] [Technical Errata Reported] RFC7599 (7160)
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The following errata report has been submitted for RFC7599,
"Mapping of Address and Port using Translation (MAP-T)".

--------------------------------------
You may review the report below and at:
https://www.rfc-editor.org/errata/eid7160

--------------------------------------
Type: Technical
Reported by: Michael Overcash <michael.overcash@cox.com>

Section: 10.1

Original Text
-------------
Translating an IPv4 packet to carry it across the MAP domain will increase its size (typically by 20 bytes).

Corrected Text
--------------
Translating an IPv4 packet to carry it across the MAP domain will increase its size (typically by 28 bytes).

Notes
-----
In the context of MTU, it is important to account for packet fragmentation. If an IPv4 packet is fragmented, the size will increase by 28 bytes during translation. The IPv6 header is 20 bytes larger than the IPv4 header, and in addition the 8 byte IPv6 Fragmentation Header must be added.

Instructions:
-------------
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--------------------------------------
RFC7599 (draft-ietf-softwire-map-t-08)
--------------------------------------
Title               : Mapping of Address and Port using Translation (MAP-T)
Publication Date    : July 2015
Author(s)           : X. Li, C. Bao, W. Dec, Ed., O. Troan, S. Matsushima, T. Murakami
Category            : PROPOSED STANDARD
Source              : Softwires
Area                : Internet
Stream              : IETF
Verifying Party     : IESG

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