Re: [Technical Errata Reported] RFC5225 (2703)

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Based on the ongoing discussion, I assume the community consensus is to =
approve this?

On 2011-2-3, at 14:22, RFC Errata System wrote:

>=20
> The following errata report has been submitted for RFC5225,
> "RObust Header Compression Version 2 (ROHCv2): Profiles for RTP, UDP, =
IP, ESP and UDP-Lite".
>=20
> --------------------------------------
> You may review the report below and at:
> http://www.rfc-editor.org/errata_search.php?rfc=3D5225&eid=3D2703
>=20
> --------------------------------------
> Type: Technical
> Reported by: Carl Knutsson <[email protected]>
>=20
> Section: 6.6.11
>=20
> Original Text
> -------------
> o  ip_id_behavior, one octet for each IP header in the compressible
>=20
>   header chain starting from the outermost header.  Each octet
>=20
>   consists of 2 bits padded with 6 MSBs of zeroes.
>=20
> Corrected Text
> --------------
> o  ip_id_behavior_outer, one octet for each IPv4 header except the
>=20
>   innermost in the compressible header chain starting from the =
outermost=20
>=20
>   header. Each octet consists of 2 bits padded with 6 MSBs of zeroes.
>=20
>=20
>=20
> o  ip_id_behavior_innermost, one octet if the innermost header is an=20=

>=20
>   IPv4 header. The octet consists of 2 bits padded with 6 MSBs of =
zeroes.
>=20
> Notes
> -----
> There is no control field called ip_ip_behavior in the document. There =
are two control fields related to IP-ID behavior, =
ip_id_behavior_innermost and ip_id_behavior_outer. For IPv6, only the =
ip_id_behavior_innermost field exists and its value is always =
IP_ID_BEHAVIOR_RANDOM according to the FN. This makes it impossible to =
include ip_id_behavior_outer when calculating the crc for IPv6 headers. =
Furthermore, since the ip_id_behavior_innermost is constant it makes no =
sense to include it in the crc calculation.
>=20
> Instructions:
> -------------
> This errata is currently posted as "Reported". If necessary, please
> use "Reply All" to discuss whether it should be verified or
> rejected. When a decision is reached, the verifying party (IESG)
> can log in to change the status and edit the report, if necessary.=20
>=20
> --------------------------------------
> RFC5225 (draft-ietf-rohc-rfc3095bis-rohcv2-profiles-06)
> --------------------------------------
> Title               : RObust Header Compression Version 2 (ROHCv2): =
Profiles for RTP, UDP, IP, ESP and UDP-Lite
> Publication Date    : April 2008
> Author(s)           : G. Pelletier, K. Sandlund
> Category            : PROPOSED STANDARD
> Source              : Robust Header Compression
> Area                : Transport
> Stream              : IETF
> Verifying Party     : IESG


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