Authors,
While reviewing this document during AUTH48, please resolve (as necessary) the
following questions, which are also in the XML file.
1) <!-- [rfced] FYI, regarding the NEW text that appears throughout this
document, we have updated it to include the registry name followed by the URL
to the registry group. Based on discussion with IANA, this was the preferred
way to refer to these registries in the RFC. Note that the extended URLs
remain in the OLD text, as it does not matter if these links cease to work in
the future (they are marked OLD).
For example: Section 6.2.2
Original:
Additional Information: See the Classification Engine IDs registry
([https://www.iana.org/assignments/ipfix/
ipfix.xhtml#classification-engine-ids]).
Current:
Additional Information: See the "Classification Engine IDs (Value
101)" registry [https://www.iana.org/assignments/ipfix].
-->
2) <!--[rfced] FYI, similarly Table 1 has been updated to use the registry name
and the URL without the URI fragment, per IANA's preference for RFCs.
For example: "Additional Information" for 33 igmpType.
Original I-D:
https://www.iana.org/assignments/
igmp-type-numbers/igmp-type-
numbers.xhtml#igmp-type-numbers-1
Current document:
See "IGMP Type Numbers" at
[https://www.iana.org/assignments/
igmp-type-numbers]
Current IANA registry (we will send a request to update to the
registry name):
See the assigned IGMP type numbers at
[https://www.iana.org/assignments/igmp-type-numbers/
igmp-type-numbers.xhtml#igmp-type-numbers-1]
Note: Table 1 currently uses Form A, but if you prefer Form B,
please let us know.
Form A: See "Name" at [URL]
Form B: See the "Name" registry at [URL]
-->
3) <!-- [rfced] Section 6.1.2: To which registry does "IPFIX MPLS label type
registry" refer? We see the following registries at
https://www.iana.org/assignments/mpls-label-values:
"Base Special-Purpose MPLS Label Values"
or "Extended Special-Purpose MPLS Label Values"
Original:
Additional Information: See the IPFIX MPLS label type registry
([https://www.iana.org/assignments/mpls-label-values]).
-->
4) <!-- [rfced] Because it seems the pointers to the relevant registry were
moved
from the "Description" to "Additional Information", do you still want to
keep the sentence about where the values are listed in the "Description"?
It seems redundant in some cases; please review.
Examples of sentences that you may want to cut from NEW Descriptions:
S 6.2.2
Values for this field are listed in the Classification Engine IDs
registry.
S 6.3.2
Values are listed in the flowEndReason registry.
S 6.4.2
Values are listed in the natOriginatingAddressRealm registry.
S 6.5.2
Values for this Information Element are listed in the "NAT Event
Type" registry.
-->
5) <!-- [rfced] The following text was included as a note for IANA. We have
removed the text. Please let us know if this is incorrect.
<t>Note to IANA: This change also corrects errors in the pointers
provided for NAT46/NAT64.</t>
-->
6) <!-- [rfced] Section 6.12.2: We are unable to find an
informationElementDataType registry on iana.org. From discussion with IANA, it
seems "[informationElementDataType] subregistry" was renamed "IPFIX Information
Element Data Types" at some point. Assuming this is true, please consider the
following updates.
Original:
6.12.2. NEW
Description: A description of the abstract data type of an IPFIX
information element.These are taken from the abstract data types
defined in Section 3.1 of the IPFIX Information Model [RFC5102];
see that section for more information on the types described in
the [informationElementDataType] subregistry. These types are
registered in the IANA IPFIX Information Element Data Type
subregistry.
The [informationElementDataType] subregistry is intended to assign
numbers for type names, not to provide a mechanism for adding data
types to the IPFIX Protocol, and as such requires a Standards
Action [RFC8126] to modify.
Additional Information: See the IPFIX Information Element Data Types
registry ([https://www.iana.org/assignments/ipfix/
ipfix.xhtml#ipfix-information-element-data-types]).
Perhaps:
6.12.2. NEW
Description: A description of the abstract data type of an IPFIX
information element.These are taken from the abstract data types
defined in Section 3.1 of the IPFIX Information Model [RFC5102];
see that section for more information on the types described in
the "IPFIX Information Element Data Types" registry (previously the
"informationElementDataType" subregistry). These types are
registered in the "IPFIX Information Element Data Types"
registry.
The "IPFIX Information Element Data Types" registry is intended to assign
numbers for type names, not to provide a mechanism for adding data
types to the IPFIX Protocol; as such, modifications require Standards
Action [RFC8126].
Additional Information: See the "IPFIX Information Element Data Types"
registry [https://www.iana.org/assignments/ipfix/].
-->
7) <!-- [rfced] Section 6.13.2: We updated the registry title to refer to the
"IPFIX Information Element Semantics" registry, instead of the name of the
registry group ("IP Flow Information Export (IPFIX) Entities" registry group).
Please confirm this is correct.
Original:
Additional Information: See the IP Flow Information Export (IPFIX)
Entities registry ([https://www.iana.org/assignments/ipfix/
ipfix.xhtml#ipfix-information-element-semantic]).
Current:
Additional Information: See the "IPFIX Information Element
Semantics" registry [https://www.iana.org/assignments/ipfix].
-->
8) <!-- [rfced] Section 6.14.1: We are unable to find an
informationElementsUnits registry on iana.org. We believe the
informationElementsUnits subregistry was renamed as "IPFIX Information Element
Units" registry at some point. Please confirm this is correct. Assuming this
is true, please consider the following updates.
Original:
6.14.2. NEW
Description: A description of the units of an IPFIX Information
Element. These correspond to the units implicitly defined in the
Information Element definitions in Section 5 of the IPFIX
Information Model [RFC5102]; see that section for more information
on the types described in the informationElementsUnits
subregistry. These types can take the values in the [IANA IPFIX
Information Element Units] subregistry. The special value 0x00
(none) is used to note that the field is unitless.
Additional Information: See the IPFIX Information Element Units
registry ([IANA IPFIX Information Element Units]).
Perhaps:
6.14.2. NEW
Description: A description of the units of an IPFIX Information
Element. These correspond to the units implicitly defined in the
Information Element definitions in Section 5 of the IPFIX
Information Model [RFC5102]; see that section for more information
on the types described in the "IPFIX Information Element Units" registry
(previously the informationElementsUnits subregistry). These types
can take the values in the "IPFIX Information Element Units" registry.
The special value 0x00 (none) is used to note that the field is unitless.
Additional Information: See the "IPFIX Information Element Units"
registry [https://www.iana.org/assignments/ipfix].
-->
9) <!-- [rfced] Section 6.14.2 (NEW for informationElementUnits):
FYI, if you accept the suggested text in the previous question, we will
ask IANA to remove the following sentence from the registry; it is not part
of the proposed new text.
Original:
These types can take the values in the [IANA IPFIX Information Element
Units]
subregistry.
-->
10) <!-- [rfced] Section 7.3: It is unclear why there are hyphens after
destination and source in the tables. We see the OLD text appears in RFC 6235,
and it does not include hyphens. The hyphens also are not used in RFC 5103.
For example:
destination- Information
(i.e., source- or destination-) Information Element
destination- element
Should the hyphens be removed? For example:
destination Information
(i.e., source or destination) Information Element
destination element
-->
11) <!-- [rfced] We removed the reference to [Forwarding-Status] because IANA
updated their registry with the link. We updated the text to include the
registry title name and the URL to the registry group, based on discussion with
IANA. Currently, [Forwarding-Status] only appears in the OLD text. Please
review.
[Forwarding-Status]
IANA, "Forwarding Status (Value 89)",
<https://www.iana.org/assignments/ipfix/
ipfix.xhtml#forwarding-status>.
Section 4.3.2 original:
- Additional Information: See "NetFlow Version 9 Flow-Record Format"
[CCO-NF9FMT]. See the Forwarding Status sub-registries
at [Forwarding-Status].
Current:
Additional Information: See "NetFlow Version 9 Flow-Record Format"
[CCO-NF9FMT]. See the "Forwarding Status (Value 89)" registry at
[https://www.iana.org/assignments/ipfix].
-->
Thank you.
RFC Editor
On Jan 24, 2025, [email protected] wrote:
*****IMPORTANT*****
Updated 2025/01/24
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--------------------------------------
RFC9710 (draft-ietf-opsawg-ipfix-fixes-12)
Title : Simple Fixes to the IP Flow Information Export (IPFIX)
Entities IANA Registry
Author(s) : M. Boucadair, B. Claise
WG Chair(s) : Henk Birkholz, Joe Clarke
Area Director(s) : Warren Kumari, Mahesh Jethanandani
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