Re: [rohc] [Technical Errata Reported] RFC5225 (3248)

Carl Knutsson <carl.knutsson@effnet.com> Tue, 31 July 2012 06:22 UTC

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Date: Tue, 31 Jul 2012 08:21:55 +0200
From: Carl Knutsson <carl.knutsson@effnet.com>
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To: Wesley Eddy <wes@mti-systems.com>
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Cc: rohc@ietf.org, rohc_team@dialine.fr, ghyslain.pelletier@ericsson.com, kristofer.sandlund@ericsson.com, martin.stiemerling@neclab.eu, RFC Errata System <rfc-editor@rfc-editor.org>
Subject: Re: [rohc] [Technical Errata Reported] RFC5225 (3248)
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It looks correct to me too.

/Calle

On 07/29/2012 01:08 AM, Wesley Eddy wrote:
> This errata looks correct to me; if nobody objects, I'll mark it
> as "Verified" in the errata tool later this week.
> 
> 
> On 6/7/2012 10:14 AM, RFC Errata System wrote:
>>
>> The following errata report has been submitted for RFC5225,
>> "RObust Header Compression Version 2 (ROHCv2): Profiles for RTP, UDP, IP, ESP and UDP-Lite".
>>
>> --------------------------------------
>> You may review the report below and at:
>> http://www.rfc-editor.org/errata_search.php?rfc=5225&eid=3248
>>
>> --------------------------------------
>> Type: Technical
>> Reported by: FWX <rohc_team@dialine.fr>
>>
>> Section: 6.8.2.4
>>
>> Original Text
>> -------------
>> page 67:
>>
>>   COMPRESSED udp_lite_endpoint_dynamic {
>>     ENFORCE(profile_value == PROFILE_UDPLITE_0108);
>>     reserved =:= compressed_value(4, 0)                      [  4 ];
>>     coverage_behavior =:= irregular(2)                       [  2 ];
>>     reorder_ratio     =:= irregular(2)                       [  2 ];
>>     checksum_coverage =:=
>>       checksum_coverage_dynchain(coverage_behavior.UVALUE)   [ 16 ];
>>     checksum          =:= irregular(16)                      [ 16 ];
>>     msn               =:= irregular(16)                      [ 16 ];
>>   }
>>
>> page 68:
>>
>>   COMPRESSED udp_lite_regular_dynamic {
>>     ENFORCE(profile_value == PROFILE_RTP_0107);
>>     coverage_behavior =:= irregular(2)                       [  2 ];
>>     reserved =:= compressed_value(6, 0)                      [  6 ];
>>     checksum_coverage =:=
>>         checksum_coverage_dynchain(coverage_behavior.UVALUE) [ 16 ];
>>     checksum =:= irregular(16)                               [ 16 ];
>>   }
>>
>>
>> Corrected Text
>> --------------
>> page 67:
>>
>>   COMPRESSED udp_lite_endpoint_dynamic {
>>     ENFORCE(profile_value == PROFILE_UDPLITE_0108);
>>     reserved =:= compressed_value(4, 0)                      [  4 ];
>>     coverage_behavior =:= irregular(2)                       [  2 ];
>>     reorder_ratio     =:= irregular(2)                       [  2 ];
>>     checksum_coverage =:=
>>       checksum_coverage_dynchain(coverage_behavior.UVALUE)   [ 0, 16 ];  <===
>>     checksum          =:= irregular(16)                      [ 16 ];
>>     msn               =:= irregular(16)                      [ 16 ];
>>   }
>>
>> page 68:
>>
>>   COMPRESSED udp_lite_regular_dynamic {
>>     ENFORCE(profile_value == PROFILE_RTP_0107);
>>     coverage_behavior =:= irregular(2)                       [  2 ];
>>     reserved =:= compressed_value(6, 0)                      [  6 ];
>>     checksum_coverage =:=
>>         checksum_coverage_dynchain(coverage_behavior.UVALUE) [ 0, 16 ];  <====
>>     checksum =:= irregular(16)                               [ 16 ];
>>   }
>>
>>
>> Notes
>> -----
>> checksum_coverage_dynchain(behavior) compression method (page 66) may compress the checksum_coverage field to 0 bits if behavior is set to UDP_LITE_COVERAGE_INFERRED.
>>
>> 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. 
>>
>> --------------------------------------
>> 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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>>
> 
>