Hi Mahesh,
Thank you for your pragmatic proposal. Yes, removing _Passive from the
names of performance metrics proposed for the Performance Metrics Registry
would address my concern.

Regards,
Greg

On Mon, Sep 29, 2025 at 11:39 AM Mahesh Jethanandani <
[email protected]> wrote:

> Hi Thomas/Greg,
>
> Thomas, thanks for addressing the remaining comments and publishing -22
> version of the document.
>
> Greg et. al, the last item left was an expert review of the draft with
> respect to the Performance Metrics Registry and the proposed registration.
> Therefore, comments or concerns related to the registry, e.g., naming of
> the registry, are in scope of the discussion. All other points should be
> considered out of scope at this time.
>
> As I understand it, the contention is around the use of
> HybridType1_Passive in the name. Is the objection with the addition of
> _Passive in the name? Would you be ok if _Passive is dropped? Are the
> authors ok with just using HybridType1 in the name?
>
> Thanks.
>
> On Sep 21, 2025, at 5:33 PM, Greg Mirsky <[email protected]> wrote:
>
> Hi, Thomas and the Authors,
> thank you for sharing the new version. I have several concerns with -21,
> Please find them below:
>
>    - I appreciate the addition of references to RFC 7799 in Terminology
>    section:
>
>      The following term is used as defined in Section 3.7 of [RFC7799]:
>      *  Passive
>      The following term is used as defined in Section 3.8 of [RFC7799]:
>      *  Hybrid Type I
>
> What is stil not clear is why naming of metrics combines these two
> mutually exclusive characteristics of performance measurement methods.
> According to RFC 7799, a performance measurement method is either Active,
> Passive, Hybrid Type I, or Hybrid Type II. A combination some elements of
> passive, i.e., observation of a flow, with elements of active, e.g.,
> augmentation of a data packet with special shim to perform or enhance
> measurements, is characterized as a hybrid measurement method in RFC 7799.
> Adding more passive methodology will still be characterized as a hybrid
> measurement method. If you disagree, can you propose a text or point to it
> in the draft that explains the use of HybridType1_Passive in namings.
>
>
>    - Furthermore, as I understand it, the draft defines metrics measured
>    using IOAM or the Alternate-Marking Method applied to a data packet. But,
>    described in several documents discussed in the IPPM WG, these shims can be
>    applied to a test probe packet, e.g., STAMP test packet. Then, it will be
>    an Active measurement method per RFC 7799 classification of the measurement
>    methods. In your opinion, would these be the same metrics as defined in the
>    document, and can they be exported using the same IPFIX IEs as specified in
>    the draft?
>    - What is the rationale in not referencing the fundamental IOAM and
>    the Aternate-Marking Method RFCs? For example, IOAM is defined by RFC 9197,
>    not RFC 9378. Similarly, the Alternate-Marking Method is specified in RFC
>    9341, not draft-zhou-ippm-enhanced-alternate-marking.
>    - Can you add a direct reference that supports the following assertion:
>
>    In contrast, if no delay processing occurs on the OAM header transit
>    or decapsulating node, each packet must be exported as an individual
>    Flow Record, including timestamp information, as specified in
>    [I-D.ietf-opsawg-ipfix-alt-mark].
>
> As I understand RFC 9326, IOAM-DEX does not specify how metrics generated
> on a transit IOAM node are exported.
>
> Thank you for your consideration of my comments.
>
> Regards,
> Greg
>
> On Thu, Sep 11, 2025 at 12:04 AM <[email protected]> wrote:
>
>> Dear Greg,
>>
>>
>>
>> On behalf of the authors. We received feedback from Deb, Gunter, Med and
>> Greg and decided to publish revision -21.
>>
>>
>>
>>
>> https://author-tools.ietf.org/diff?doc_1=draft-ietf-opsawg-ipfix-on-path-telemetry-21
>>
>>
>>
>> From what we understand from this conversation is that there is one open
>> item regarding the naming of the performance metrics.
>>
>>
>>
>> We are also expecting feedback from Éric, Tim, Gorry and Mike and based
>> on their and the discussion with you we will merge the input in -22.
>>
>>
>>
>> Best wishes
>>
>> Thomas
>>
>>
>>
>> *From:* Graf Thomas, SCS-INI-NET-VNC-E2E
>> *Sent:* Monday, September 8, 2025 8:43 AM
>> *To:* Greg Mirsky <[email protected]>
>> *Cc:* [email protected];
>> [email protected]; [email protected]; [email protected]
>> *Subject:* RE: [OPSAWG]Re: [IANA #1422930] expert review for
>> draft-ietf-opsawg-ipfix-on-path-telemetry (performance-metrics)
>>
>>
>>
>> Dear Greg,
>>
>>
>>
>> Thanks a lot. See my reply inline.
>>
>>
>>
>> Best wishes
>>
>> Thomas
>>
>>
>>
>> *From:* Greg Mirsky <[email protected]>
>> *Sent:* Monday, September 8, 2025 2:53 AM
>> *To:* Graf Thomas, SCS-INI-NET-VNC-E2E <[email protected]>
>> *Cc:* [email protected];
>> [email protected]; [email protected]; [email protected]
>> *Subject:* Re: [OPSAWG]Re: [IANA #1422930] expert review for
>> draft-ietf-opsawg-ipfix-on-path-telemetry (performance-metrics)
>>
>>
>>
>> *Be aware:* This is an external email.
>>
>>
>>
>> Dear Thomas,
>>
>> thank you for adding more structure to the discussion. Please find my
>> follow-up notes below tagged GIM2>>.
>>
>>
>>
>> Regards,
>>
>> Greg
>>
>>
>>
>> On Sat, Sep 6, 2025 at 11:48 PM <[email protected]> wrote:
>>
>> Dear Greg,
>>
>>
>>
>> GIM>> I probably was not clear in my notes. My question is Why Hybrid
>> Type 1 and Passive are concatenated in IE's name,
>> e.g., OWDelay_HybridType1_Passive_IP_RFC[RFC-to-be]_Seconds_Sum?
>>
>>
>>
>> TG> The reason why passive is chosen is because of the document scope:
>> Export of Delay Performance Metrics in IPFIX. The IPFIX process passively
>> observes IP flows. Section 4.3.2, Packet Stream Generation, starts with
>> "The time when the packet is being received at the OAM header encapsulating
>> node" therefore.
>>
>>
>>
>> GM> thought that Passive refers to the measurement method, not the method
>> of collecting metrics
>>
>>
>>
>> Thans a lot. I think we misunderstand each other. We need to distinguish
>> between the performance metrics definition which includes 'method AND
>> metrics' and the IPFIX where 'metrics' are defined.
>>
>>
>>
>> Section 4.1.1.2 of draft-ietf-opsawg-ipfix-on-path-telemetry-21 defines
>> the name of the performance metrics. The document follows the guideline
>> from https://datatracker.ietf.org/doc/html/rfc8911#section-7.1.2 which
>> includes RFC 7799 terminology and how it applies in performance metrics
>> naming. https://datatracker.ietf.org/doc/html/rfc8912 is the first
>> document describing performance metrics following those guidelines. Section
>> 4 of draft-ietf-opsawg-ipfix-on-path-telemetry-21 follows the criteria in
>> https://datatracker.ietf.org/doc/html/rfc8911#section-5 where one
>> objective is "accurate in terms of producing equivalent results".
>>
>>
>>
>> https://www.rfc-editor.org/rfc/rfc7013.html#section-4.1 gives guidance
>> on IPFIX entity naming. Even though
>> https://datatracker.ietf.org/doc/html/rfc8911#section-1 intend is to
>> facilitate a centralize performance metrics which can be then referenced
>> when being used in data models of telemetry protocols such as IPFIX or
>> YANG, it does not give guidance on naming those data elements. This makes
>> sense to me since IPFIX and YANG as example models and name data
>> differently. Have different taxonomies.
>>
>>
>>
>> Taking https://datatracker.ietf.org/doc/html/rfc8911#section-7.1.2 as
>> naming guidance, do you agree that the following names match the guidance
>> or do you propose a different more appropriate name?
>>
>>
>>
>> 4.1.1.2.  Name
>>
>> OWDelay_HybridType1_Passive_IP_RFC[RFC-to-be]_Seconds_Mean
>>
>> OWDelay_HybridType1_Passive_IP_RFC[RFC-to-be]_Seconds_Min
>>
>> OWDelay_HybridType1_Passive_IP_RFC[RFC-to-be]_Seconds_Max
>>
>> OWDelay_HybridType1_Passive_IP_RFC[RFC-to-be]_Seconds_Sum
>>
>> GIM2>> I have two questions to use of HybridType1 and Passive in the
>> naming performance metrics:
>>
>>    - RFC 7799 defines Hybrid Type 1 measurement methods as follows:
>>
>>       Augmentation or modification of the stream of interest, or
>>
>>       employment of methods that modify the treatment of the stream
>>
>> Should note that "stream" here is interpreted as a flow of data, i.e.,
>> customer's, packets. On the other hand, since the publication of RFC 9197
>> and RFC 9326, where only combination of IOAM shim with a data packet is
>> considered, we have drafts that propose combining IOAM shim with, for
>> example, STAMP packet. Such a measurement method, in my opinion, is an
>> active method according to RFC 7799. Do you agree?
>>
>>
>>
>> TG2> Correct. It is active because packets are originated and reflected
>> at the OAM node with STAMP.
>>
>>
>>
>> Hence my first question:
>>
>> Are these performance metrics produced using only RFC9197-based manner or
>> also combining, for example, STAMP and IOAM?
>>
>>
>>
>> TG2> No. Section 4.3.2 "Packet Stream Generation" should be clear with
>> the sentence "The time when the packet is being received at the OAM header
>> encapsulating node" that the OAM packet is not originated. It is passive
>> therefore.
>>
>>
>>
>> If the intention to include both approaches, characterization Hybrid Type
>> 1 in the name contradicts my conclusion about the combination of STAMP and
>> IOAM as an active measurement method.
>>
>>
>>
>> TG2> It is not the authors intention.
>>
>>
>>
>> My second question is about using Passive in the name. As understand naming
>> recommendation <https://datatracker.ietf.org/doc/html/rfc8911#name-name>,
>> HybridType1_Passive intended to reflect a method that is recommended as
>> follows:
>>
>> Method:
>>
>> One of the methods defined in [RFC7799], such as and not limited to:
>>
>> As an alternative to HybridType1_Passive, I propose Hop_by_Hop
>>
>>
>>
>> What are your thoughts?
>>
>>
>>
>> TG2> Since neither RFC 7799 nor RFC 8911 contain the word "hop" nor
>> "Hop_by_Hop" I object to introduce new terms which are not clearly defined
>> prior. I would like to understand what the objective (judging from prior
>> questions, probably your concern is that it is applicable beyond Hybrid
>> Type 1 Passive, which is not the case) is and from there I can help to make
>> a proposal.
>>
>>
>>
>> Taking https://www.rfc-editor.org/rfc/rfc7013.html#section-4.1 as naming
>> guidance, taking from that guidance "new Information Elements pertaining to
>> a specific protocol should name the protocol in the first word in order to
>> ease searching by name" into account, considering that the IPFIX metering
>> process can't distinguish between wherever the metrics are generated
>> actively or passively, take icmp packets captured by the IPFIX process as
>> example, do you agree that the following names match the guidance or do you
>> propose a different more appropriate name than pathDelay?
>>
>>
>>
>> 6.2.  IPFIX Entities
>>
>>    - pathDelayMeanDeltaMicroseconds
>>
>> pathDelayMinDeltaMicroseconds
>>
>> pathDelayMaxDeltaMicroseconds
>>
>> pathDelaySumDeltaMicroseconds
>>
>>
>>
>> Best wishes
>>
>> Thomas
>>
>>
>>
>> *From:* Greg Mirsky <[email protected]>
>> *Sent:* Saturday, September 6, 2025 8:33 PM
>> *To:* Graf Thomas, SCS-INI-NET-VNC-E2E <[email protected]>
>> *Cc:* [email protected];
>> [email protected]; [email protected]; [email protected]
>> *Subject:* Re: [OPSAWG]Re: [IANA #1422930] expert review for
>> draft-ietf-opsawg-ipfix-on-path-telemetry (performance-metrics)
>>
>>
>>
>> *Be aware:* This is an external email.
>>
>>
>> Hi Thomas,
>> Thank you for the expedient response. I thought that Passive refers to
>> the measurement method, not the method of collecting metrics. If Passive in
>> the registry name refers to IPFIX as the performance metric collection
>> method, should all metrics collected using IPFIX include the Passive
>> reference? Is this naming convention used in the IANA Performance
>> Metrics registry
>> <https://www.iana.org/assignments/performance-metrics/performance-metrics.xhtml>?
>> If performance metrics defined in the draft are collected using methods
>> other than IPFIX, e.g., YANG notifications, should it be described in the
>> registry as a different metric? And as we are discussing naming,
>> according to RFC 7799, the Hybrid performance method is a combination of
>> Passive and Active measurement methods. IOAM and Alternate Marking are
>> examples of a Hybrid measurement method when applied to a data flow.
>> However, when IOAM or Alternate Marking is used in combination with a
>> specially constructed test packet, e.g., STAMP, it is still characterized
>> as an Active measurement method. But that combination can produce
>> performance metrics defined in the draft under discussion. That brings me
>> to question the use of Hybrid Type 1 in the naming of new entries in the
>> IANA Performance Metrics registry. Would both cases of using IOAM or
>> Alternate Marking be generalized by replacing HybridType1 with another
>> identification, e.g., HopByHop, to signify the collection of performance
>> metrics from transit nodes?
>> What are your thoughts?
>>
>> Regards,
>> Greg
>>
>>
>>
>> On Sat, Sep 6, 2025 at 1:07 AM <[email protected]> wrote:
>>
>> Dear Greg,
>>
>>
>>
>> GIM>> I probably was not clear in my notes. My question is Why Hybrid
>> Type 1 and Passive are concatenated in IE's name,
>> e.g., OWDelay_HybridType1_Passive_IP_RFC[RFC-to-be]_Seconds_Sum?
>>
>>
>>
>> Apologies for not having commented this point.
>> OWDelay_HybridType1_Passive_IP_RFC[RFC-to-be]_Seconds_Sum is the name in
>> the performance registry. Not the IE name.
>>
>>
>>
>> The name for the performance registry is defined in section 4.1.1.2 where
>> for IPFIX entities in 6.2
>>
>>
>>
>> 4.1.1.2.  Name
>>
>>
>>
>> OWDelay_HybridType1_Passive_IP_RFC[RFC-to-be]_Seconds_Mean
>>
>> OWDelay_HybridType1_Passive_IP_RFC[RFC-to-be]_Seconds_Min
>>
>> OWDelay_HybridType1_Passive_IP_RFC[RFC-to-be]_Seconds_Max
>>
>> OWDelay_HybridType1_Passive_IP_RFC[RFC-to-be]_Seconds_Sum
>>
>>
>>
>> 6.2.  IPFIX Entities
>>
>>
>>
>> pathDelayMeanDeltaMicroseconds
>>
>> pathDelayMinDeltaMicroseconds
>>
>> pathDelayMaxDeltaMicroseconds
>>
>> pathDelaySumDeltaMicroseconds
>>
>>
>>
>> The reason why passive is chosen is because of the document scope: Export
>> of Delay Performance Metrics in IPFIX. The IPFIX process passively observes
>> IP flows. Section 4.3.2, Packet Stream Generation, starts with "The time
>> when the packet is being received at the OAM header encapsulating node"
>> therefore.
>>
>>
>>
>> Does that clarify your question or do you propose different names? Paul
>> as designated IPFIX expert is on C.
>>
>>
>>
>> Best wishes
>>
>> Thomas
>>
>>
>>
>> *From:* Greg Mirsky <[email protected]>
>> *Sent:* Saturday, September 6, 2025 2:16 AM
>> *To:* Graf Thomas, SCS-INI-NET-VNC-E2E <[email protected]>
>> *Cc:* [email protected];
>> [email protected]; [email protected]; [email protected]
>> *Subject:* Re: [OPSAWG]Re: [IANA #1422930] expert review for
>> draft-ietf-opsawg-ipfix-on-path-telemetry (performance-metrics)
>>
>>
>>
>> *Be aware:* This is an external email.
>>
>>
>>
>> Hi, Thomas and the authors,
>>
>> thank you for your careful consideration of my comments. I appreciate
>> updates that address them improving the document. Please find my follow-up
>> notes below tagged GIM>>.
>>
>>
>>
>> Regards,
>>
>> Greg
>>
>>
>>
>> On Thu, Sep 4, 2025 at 10:16 PM <[email protected]> wrote:
>>
>> Dear David and Greg,
>>
>>
>>
>> On behalf of the authors, thank you very much for your detailed review
>> and comments.
>>
>>
>>
>> We addressed your feedback together with Tim's, Mike's, Med's, Deb's,
>> Éric's, Gunter's and Gorry's as following
>>
>>
>> https://author-tools.ietf.org/diff?doc_1=draft-ietf-opsawg-ipfix-on-path-telemetry-20&url_2=https://raw.githubusercontent.com/network-analytics/draft-ietf-opsawg-ipfix-on-path-telemetry/refs/heads/main/draft-ietf-opsawg-ipfix-on-path-telemetry-21.txt
>>
>>
>>
>> GM> Characterization if Passport and Postcard modes in the Introduction
>> is not consistent with RFC 9232 where the passport mode is referred to IOAM
>> as defined in RFC 9127, while postcard mode - to RFC 9326. According to RFC
>> 9232, the passport mode is when telemetry information is collected along
>> the path and transported in the trigger packet, while postcard mode - such
>> information is collected and transported from each traversed node by some
>> mechanism, e.g., over the management plane.
>>
>>
>>
>> Your description on Passport and Postcard mode is correct. Regarding RFC
>> 9232 reference. I believe you are refering to
>> https://datatracker.ietf.org/doc/html/rfc9232#appendix-A.3.5. Our
>> understanding is that IOAM is one of many implementations of passport
>> resp. postcard mode. Your understanding is that IOAM the only
>> implementation correct?
>>
>> GIM>> The updated terminology, i.e., "OAM header decapsulating node" and
>> "OAM header transit node", addresses my concern. You may consider dropping
>> "header" altogether.
>>
>>
>>
>> GM> Combining "Hybrid Type I" with "Passive" in reference to performance
>> metrics is confusing and inaccurate. RFC 7799 defines hybrid measurement
>> methods as a combination of the elements of passive and active measurement
>> methods. Furthermore, RFC 7799 identifies two types of hybrid measurement
>> methods - Type I (IOAM and Alternate Marking are examples of it) and Type
>> II. There's no mention of Hybrid Type I Passive in RFC 7799.
>>
>>
>>
>> This has been addressed by refering now to two terms "Passive" and
>> "Hybrid Type I" to section 3.7 and 3.8 of RFC 7799 separately.
>>
>> GIM>> I probably was not clear in my notes. My question is Why Hybrid
>> Type 1 and Passive are concatenated in IE's name,
>> e.g., OWDelay_HybridType1_Passive_IP_RFC[RFC-to-be]_Seconds_Sum?
>>
>>
>>
>> GM> Another concern with the naming new IPFIX IEs is reference to IP in
>> "HybridType1_Passive_IP". Is it to signify that the IEs are applicable only
>> to delay measurement of the IP flows? But can they be used to export delay
>> metrics of, for example, an MPLS flow?
>>
>>
>>
>> The document scope is IP flow. Therefore IP is used in the naming.
>>
>>
>>
>> GM> Some key elements used in the document, e.g., "OAM node" and
>> "Collector", are underdefined.
>>
>>
>>
>> "Collector" has been used from RFC 7011 and is now defined as well. "OAM
>> node" has been replaced with "OAM header encapsulating node", "OAM header
>> transit node" and "OAM header decapsulating node" which are defined in the
>> document.
>>
>> GIM>> Thank you.
>>
>>
>>
>> GM> I consider the content of Section 3.2.2 Packet Stream Generation
>> essential and that the reader must understand any document referenced in
>> the section. Hence, I believe that references to
>> [I-D.zhou-ippm-enhanced-alternate-marking]  and
>> [I-D.fz-spring-srv6-alt-mark] must be normative, if the Alternate Marking
>> method is in the scope of the document.
>>
>>
>>
>> I agree that the "Packet Stream Generation" section contains two
>> normative sentences:
>>
>>
>>
>>    The time when the packet is being received at the OAM header
>>
>>    encapsulating node.  The timestamp format depends on On-Path
>>
>>    Telemetry implementation.
>>
>>
>>
>> However the sentences describing possible implementations such as IOAM or
>> Enhanced Alternate Marking are not normative since in the preceding
>> section, "IP One-Way Delay Hybrid Type I Passive Performance Metrics", a
>> generic metric definition is defined as per RFC 8911.
>>
>>
>>
>> I hope this addresses your comments. Looking forward to your review.
>>
>>
>>
>> Best wishes
>>
>> Thomas
>>
>>
>>
>>
>>
>> *From:* Greg Mirsky <[email protected]>
>> *Sent:* Friday, August 1, 2025 10:52 PM
>> *To:* [email protected]
>> *Cc:* [email protected]; [email protected]
>> *Subject:* [OPSAWG]Re: [IANA #1422930] expert review for
>> draft-ietf-opsawg-ipfix-on-path-telemetry (performance-metrics)
>>
>>
>>
>> Hi David,
>>
>> thank you for your kind consideration. Iread the latest version of the
>> draft and found that my concern about the naming new IEs ( see comments
>> from 10, 2024
>> <https://mailarchive.ietf.org/arch/msg/opsawg/kbNvNZgNfDThtg3ZZj9q0Jawx80/>) 
>> is
>> not addressed, along with concerns with using undefined entities like "OAM
>> node" and "Collector". Below, please find my comments to
>> the draft-ietf-opsawg-ipfix-on-path-telemetry-20:
>>
>>    - Characterization if Passport and Postcard modes in the Introduction
>>    is not consistent with RFC 9232 where the passport mode is referred to 
>> IOAM
>>    as defined in RFC 9127, while postcard mode - to RFC 9326. According to 
>> RFC
>>    9232, the passport mode is when telemetry information is collected along
>>    the path and transported in the trigger packet, while postcard mode - such
>>    information is collected and transported from each traversed node by some
>>    mechanism, e.g., over the management plane.
>>    - Combining "Hybrid Type I" with "Passive" in reference to
>>    performance metrics is confusing and inaccurate. RFC 7799 defines hybrid
>>    measurement methods as a combination of the elements of passive and active
>>    measurement methods. Furthermore, RFC 7799 identifies two types of hybrid
>>    measurement methods - Type I (IOAM and Alternate Marking are examples of
>>    it) and Type II. There's no mention of Hybrid Type I Passive in RFC 7799.
>>    - Another concern with the naming new IPFIX IEs is reference to IP in
>>    "HybridType1_Passive_IP". Is it to signify that the IEs are applicable 
>> only
>>    to delay measurement of the IP flows? But can they be used to export delay
>>    metrics of, for example, an MPLS flow?
>>    - Some key elements used in the document, e.g., "OAM node" and
>>    "Collector", are underdefined.
>>    - I consider the content of Section 3.2.2 Packet Stream
>>    Generation essential and that the reader must understand any document
>>    referenced in the section. Hence, I believe that references to
>>    [I-D.zhou-ippm-enhanced-alternate-marking]  and
>>    [I-D.fz-spring-srv6-alt-mark] must be normative, if the Alternate Marking
>>    method is in the scope of the document.
>>
>> I hope that my comments are helpful.
>>
>>
>>
>> Regards,
>>
>> Greg
>>
>>
>>
>> On Tue, Jul 29, 2025 at 1:46 PM David Dong via RT <
>> [email protected]> wrote:
>>
>> Hi Greg,
>>
>> That will be fine, thank you!
>>
>> Best regards,
>>
>> David Dong
>> IANA Services Sr. Specialist
>>
>> On Tue Jul 29 20:44:30 2025, [email protected] wrote:
>> > Hi David,
>> > my apologies for the belated response and missing the deadline. I can
>> > review the current version by August 1st. Please let me know if that is
>> > acceptable to you.
>> >
>> > Regards,
>> > Greg
>> >
>> > On Tue, Jul 29, 2025 at 12:39 PM David Dong via RT <
>> > [email protected]> wrote:
>> >
>> > > Hi Greg,
>> > >
>> > > Just a ping on this one if you're available to take another look at
>> this
>> > > document.
>> > >
>> > > Thank you!
>> > >
>> > > Best regards,
>> > >
>> > > David Dong
>> > > IANA Services Sr. Specialist
>> > >
>> > > On Wed Jul 16 20:58:45 2025, [email protected] wrote:
>> > > > Hi David,
>> > > >
>> > > > As Greg has already reviewed earlier versions of this document, I
>> > > > believe that he is in a better position to review this document.
>> > > >
>> > > > If Greg is not available, I'd have a look myself.
>> > > >
>> > > > I have not followed this document in detail so far. As far as I can
>> > > > see, there has been a OPSAWG list discussion regarding IANA in the
>> > > > past. For what it is worth, I back some of the questions raised by
>> > > > Greg in his past e-mail
>> > > > (
>> > >
>> https://mailarchive.ietf.org/arch/msg/opsawg/kbNvNZgNfDThtg3ZZj9q0Jawx80/
>> > > ).
>> > > > And at least in the list archive it is not clear how all of them
>> have
>> > > > been resolved, as there is only one follow-up posting. For instance,
>> > > > RFC 7799 Section 3.8 doesn't really define a combination of "Hybrid
>> I"
>> > > > and "Passive", as far as I read the text of RFC 7799. But Greg has
>> > > > probably more context regarding that discussion.
>> > > >
>> > > > Best regards
>> > > >
>> > > > Michael
>> > > >
>> > > >
>> > > >
>> > > > > -----Original Message-----
>> > > > > From: David Dong via RT <[email protected]>
>> > > > > Sent: Tuesday, July 15, 2025 12:01 AM
>> > > > > Cc: [email protected]; Scharf, Michael <Michael.Scharf@hs-
>> <Michael.Scharf@hs-%0b>> > > > esslingen.de>; [email protected]
>> > > > > Subject: [IANA #1422930] expert review for
>> draft-ietf-opsawg-ipfix-
>> > > > > on-path-
>> > > > > telemetry (performance-metrics)
>> > > > >
>> > > > > Dear Greg Mirsky, Michael Scharf (cc: opsawg wg),
>> > > > >
>> > > > > As the designated experts for the Performance Metrics Registry,
>> can
>> > > > > you
>> > > > > review the proposed registrations in
>> draft-ietf-opsawg-ipfix-on-path-
>> > > > > telemetry-19 for us? Please see
>> > > > >
>> > > > > https://datatracker.ietf.org/doc/draft-ietf-opsawg-ipfix-on-path-
>> > > > > telemetry/
>> > > > >
>> > > > > The due date is July 28th.
>> > > > >
>> > > > > If this is OK, when the IESG approves the document for
>> publication,
>> > > > > we'll make
>> > > > > the registration at:
>> > > > >
>> > > > > https://www.iana.org/assignments/performance-metrics/
>> > > > >
>> > > > > Unless you ask us to wait for the other reviewer, we’ll act on the
>> > > > > first response
>> > > > > we receive.
>> > > > >
>> > > > > With thanks,
>> > > > >
>> > > > > David Dong
>> > > > > IANA Services Sr. Specialist
>> > >
>> > >
>>
>>
>
> Mahesh Jethanandani
> [email protected]
>
>
>
>
>
>
>
_______________________________________________
OPSAWG mailing list -- [email protected]
To unsubscribe send an email to [email protected]

Reply via email to