Return-Path: X-Original-To: netconf@ietfa.amsl.com Delivered-To: netconf@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 18C2AC14F60B; Fri, 19 Jul 2024 07:39:32 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.393 X-Spam-Level: X-Spam-Status: No, score=-4.393 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_ZEN_BLOCKED_OPENDNS=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, T_KAM_HTML_FONT_INVALID=0.01, T_SCC_BODY_TEXT_LINE=-0.01, URIBL_BLOCKED=0.001, URIBL_DBL_BLOCKED_OPENDNS=0.001, URIBL_ZEN_BLOCKED_OPENDNS=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=swisscom.com Received: from mail.ietf.org ([50.223.129.194]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id o_Khtj5RH6D9; Fri, 19 Jul 2024 07:39:28 -0700 (PDT) Received: from mail.swisscom.com (mailout110.swisscom.com [138.188.166.110]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 7A4EDC14F619; Fri, 19 Jul 2024 07:39:27 -0700 (PDT) Received: by mail.swisscom.com; Fri, 19 Jul 2024 16:39:20 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=swisscom.com; s=iscm; t=1721399960; bh=YW7BvZyftal13/bt/Mm9U3hcrslcTxnG7XGbpdSxhKA=; h=From:To:CC:Subject:Date:References:In-Reply-To; b=ibfwpYWiiEZjVgMIf1Ly9Y+2XJ8FHvHy6LyTZL4O/unzihY8LHAmk9zmYDJ3i1RXy nf9CkMozkBqb/E58T1OCsazBh0+tkOzP6G90/VehNb7TiI9hp6Ad9Qpwo0oDBe9CxC gDVaSSBjDe6zG3XXE1Ez66tGT/AcxWy2ziW5jYD5dwcTPwd51eRHkGu9BgDIpU9J7k 3uHY579yEM1l4Sf6xGvHSNJyk7kUxiTKqVhuhoKYJuV35gik957zPTgHiioBI6cmzG 5fel4KW0cQO/gFJriuley/9afrasGsA+gkRc/m5T43IiSqZnAqo29GtYy9T8qw66zR rXmYWdalKz3Pw== MIME-Version: 1.0 Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="----=_Part_333822_264856792.1721399959641" X-Mailer: Totemo_TrustMail_(Notification) From: To: , Thread-Topic: Status update of draft-ietf-netconf-adaptive-subscription-05 Thread-Index: AdrY2XlRjtaXyhOTQEmeKd3yTveCfwAQAIawABsiFwAAGEtaIA== Date: Fri, 19 Jul 2024 14:39:17 +0000 Message-ID: References: <21854d6e65f14dd9b05dbb0309e160f2@huawei.com> <3b6b9a540fbb4ff4a58db8668d7cd4ed@swisscom.com> <620fc56adbca4b799bd5bd8ca00a6b0e@huawei.com> In-Reply-To: <620fc56adbca4b799bd5bd8ca00a6b0e@huawei.com> Accept-Language: en-US, de-CH Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: MSIP_Label_2e1fccfb-80ca-4fe1-a574-1516544edb53_ActionId=6f368d50-9021-4dc7-a4cd-1897ac1adbdf;MSIP_Label_2e1fccfb-80ca-4fe1-a574-1516544edb53_ContentBits=0;MSIP_Label_2e1fccfb-80ca-4fe1-a574-1516544edb53_Enabled=true;MSIP_Label_2e1fccfb-80ca-4fe1-a574-1516544edb53_Method=Standard;MSIP_Label_2e1fccfb-80ca-4fe1-a574-1516544edb53_Name=C2 Internal;MSIP_Label_2e1fccfb-80ca-4fe1-a574-1516544edb53_SetDate=2024-07-19T14:23:14Z;MSIP_Label_2e1fccfb-80ca-4fe1-a574-1516544edb53_SiteId=364e5b87-c1c7-420d-9bee-c35d19b557a1; x-originating-ip: [138.188.161.184] X-CFilter-Loop: Reflected X-Trustmail: processed Message-ID-Hash: NRFLULQD4RLU57Y3UTR3Y2YBTQR46YOW X-Message-ID-Hash: NRFLULQD4RLU57Y3UTR3Y2YBTQR46YOW X-MailFrom: Thomas.Graf@swisscom.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-netconf.ietf.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: netconf-chairs@ietf.org, draft-ietf-netconf-adaptive-subscription@ietf.org X-Mailman-Version: 3.3.9rc4 Precedence: list Subject: =?utf-8?q?=5Bnetconf=5D_Re=3A_Status_update_of_draft-ietf-netconf-adaptive-s?= =?utf-8?q?ubscription-05?= List-Id: NETCONF WG list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: ------=_Part_333822_264856792.1721399959641 Content-Type: multipart/alternative; boundary="_000_ce9fa01e5b8e454b8b496bb434a631d2swisscomcom_" Content-Language: en-US --_000_ce9fa01e5b8e454b8b496bb434a631d2swisscomcom_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Dear Qiufang, Thanks a lot for the feedback and sharing the details on the IETF 113 hacka= thon project. This is exemplary. Qiufang> Would you suggest us to add an "implementation status" section to = document related information in the draft? That would be nice. Especially with a link to a repository where an interes= ted implementer can look at the running code. Qiufang> personally I think it would be good if it could be validated using= your implementation. We did implement this mechanism as demos and also in = our products, however, I am unsure currently if we are able to open source = it and if our existing implementation can completely fit into your project.= Let me check internally, and I will get back to you then. I appreciate that. We have already published (https://github.com/network-an= alytics/ietf-network-analytics-document-status/blob/main/120/Hackathon/yp-t= est-suite.tar.gz) a python script which creates YANG-Push subscriptions bas= ed on ietf-subscribed-notifications and captures the ietf-yang-push notific= ations. See https://github.com/network-analytics/ietf-network-analytics-doc= ument-status/blob/main/120/Hackathon/yp_test_suite_report_20240709_152636.l= og and https://github.com/network-analytics/ietf-network-analytics-document= -status/blob/main/120/Hackathon/yp-test-20240709-152636.pcap. We also published a network telemetry test automation https://github.com/pm= acct/pmacct/pull/774 recently. It covers also the data collection transform= ation into Apache Kafka message broker. Currently we are supporting BMP and= IPFIX. We plan to start working on YANG-Push integration as well. I would = love to have a brief conversation with you and Benoit on this. The aim of these activities is to improve the quality of the documents, its= implementations and make it accessible to vendors, operators and universit= ies equally. Best wishes Thomas From: maqiufang (A) Sent: Friday, July 19, 2024 1:39 AM To: Graf Thomas, INI-NET-VNC-HCS ; netconf@ietf.o= rg Cc: netconf-chairs@ietf.org; draft-ietf-netconf-adaptive-subscription@ietf.= org Subject: RE: Status update of draft-ietf-netconf-adaptive-subscription-05 Be aware: This is an external email. Hi, Thomas, Thanks a lot for the valuable comments, please see inline. From: Thomas.Graf@swisscom.com [mailto:Tho= mas.Graf@swisscom.com] Sent: Thursday, July 18, 2024 10:08 PM To: maqiufang (A) >; ne= tconf@ietf.org Cc: netconf-chairs@ietf.org; draft-ietf-net= conf-adaptive-subscription@ietf.org Subject: RE: Status update of draft-ietf-netconf-adaptive-subscription-05 Dear Qiufang, Thanks a lot for the update. I agree that the document is in a very good sh= ape and addresses network operators needs for on demand fine grained networ= k telemetry data. [Qiufang] Thanks, glad to know;-) I reviewed the document and have two comments. Editorial: I suggest to change "Applying adaptive subscription allows publi= shers to automatically adjust the period and volume of telemetry data sent = to receivers." to "Applying adaptive subscription allows publishers to auto= matically adjust the subscription period dynamically based on pre-defined t= hreshold for finer grained network telemetry data sent to receivers." [Qiufang] Sure, the proposed text looks good to me. In https://datatracker.ietf.org/doc/html/draft-ietf-netconf-adaptive-subscr= iption-05#section-2.2 you are mentioning "Note that the adaptive subscription may not be supported by every YANG dat= astore node." I suggest to augment ietf-notification-capabilities as defined in https://d= atatracker.ietf.org/doc/html/rfc9196#section-5 to describe which YANG nodes= this can be applied to. From a workflow perspective, that matches what we = described in https://datatracker.ietf.org/doc/html/draft-ietf-nmop-yang-mes= sage-broker-integration-03#section-4.1. [Qiufang] This makes sense to me, and good point! Will augment the "per-nod= e-capabilities" in the system-capabilities yang module with the support of = adaptive-subscription. I see that the document is missing a implementation status section (https:/= /datatracker.ietf.org/doc/html/rfc7942) nor in the data tracker has under "= additional resources" a "related implementations" link. [Qiufang] Actually we used to have a hackathon project on this work around = more than two years ago, we were targeting a real campus network scenario w= here gRPC based adaptive telemetry is used to collect data from AP devices,= it turns out that adaptive subscription can analyze the WIFI degradation e= vents with the minimum amount of push data, and you might want to refer to = the presentation slides for some more details: https://github.com/IETF-Hack= athon/ietf113-project-presentations/blob/main/ietf-hackathon-adaptive-subsc= ription.pdf. And demo implementation results and learned experience were al= so brought back to the WG to better refine the document. Would you suggest us to add an "implementation status" section to document = related information in the draft? We will consider adding this in the next = revision. I encourage to provide an open-source reference implementation and would su= pport and contribute in its validation as part of our "Validate Configured = Subscription YANG-Push Publisher Implementations" activities at the IETF ha= ckathon (https://wiki.ietf.org/en/meeting/120/hackathon). I believe this he= lps to improve the quality of the described standard. [Qiufang] Happy to know your continued hackathon project on yang-push notif= ication validation, it looks good! We've defined a new "adaptive-period-upd= ate" state change notification in the draft, personally I think it would be= good if it could be validated using your implementation. We did implement = this mechanism as demos and also in our products, however, I am unsure curr= ently if we are able to open source it and if our existing implementation c= an completely fit into your project. Let me check internally, and I will ge= t back to you then. Best wishes Thomas Best Regards, Qiufang From: maqiufang (A) > Sent: Wednesday, July 17, 2024 11:38 PM To: netconf@ietf.org Cc: netconf-chairs@ietf.org; draft-ietf-net= conf-adaptive-subscription@ietf.org Subject: [netconf] Status update of draft-ietf-netconf-adaptive-subscriptio= n-05 Be aware: This is an external email. Hi, all, As adaptive-subscription document is not going to be presented in this IETF= NETCONF session and authors of WG documents are requested to provide a sta= tus update to the WG, this email is to give a status-update of this work. The authors have submitted -05 before the submission window, and the main u= pdates are as follows: * Move use cases for adaptive subscription into a separate appendix= section; * Define adaptive-subscription specific RFC errors for "modify-subs= cription" RPC, in addition to the existing ones for "establish-subscription= "; * Add "Subscription State Change Notifications" new section to alig= n with the YANG module definition; * Use the security considerations template described in rfc8407bis; * Other editorial updates. There are not known open issues currently and the authors feel this documen= t is close to WGLC, but would really appreciate any feedback from the WG. = Thanks a lot! Best Regards, Qiufang // on behalf of authors --_000_ce9fa01e5b8e454b8b496bb434a631d2swisscomcom_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Dear Qiufang,

 =

Thanks a lot for = the feedback and sharing the details on the IETF 113 hackathon project. Thi= s is exemplary.

 =

Qiufang> Would= you suggest us to add an “implementation status” section to do= cument related information in the draft?

 =

That would be nic= e. Especially with a link to a repository where an interested implementer c= an look at the running code.

 =

Qiufang> perso= nally I think it would be good if it could be validated using your implemen= tation. We did implement this mechanism as demos and also in our products, however, I am unsure currently if we are able to ope= n source it and if our existing implementation can completely fit into your= project. Let me check internally, and I will get back to you then.

 = 

I appreciate that. We have already published (https://github.com/netw=
ork-analytics/ietf-network-analytics-document-status/blob/main/120/Hackatho=
n/yp-test-suite.tar.gz) a python script which creates YANG-Push subscri=
ptions based on ietf-subscribed-notifications and captures the ietf-yang-pu=
sh notifications. See https://github.com/network-analytics/ietf-network-=
analytics-document-status/blob/main/120/Hackathon/yp_test_suite_report_2024=
0709_152636.log and https://github.com/network-analytics/ietf-network-analytics-=
document-status/blob/main/120/Hackathon/yp-test-20240709-152636.pcap.
 
We also published a network telemetry test automatio=
n https://github.com/=
pmacct/pmacct/pull/774 recently. It covers also the data collection tra=
nsformation into Apache Kafka message broker. Currently we are supporting B=
MP and IPFIX. We plan to start working on YANG-Push integration as well. I =
would love to have a brief conversation with you and Benoit on this.
 
The aim of these activities is to improve the qualit=
y of the documents, its implementations and make it accessible to vendors, =
operators and universities equally.
 

Best wishes<= /o:p>

Thomas

 

From: maqiufang (A) <maqiufang1@huawei.com>
Sent: Friday, July 19, 2024 1:39 AM
To: Graf Thomas, INI-NET-VNC-HCS <Thomas.Graf@swisscom.com>; n= etconf@ietf.org
Cc: netconf-chairs@ietf.org; draft-ietf-netconf-adaptive-subscriptio= n@ietf.org
Subject: RE: Status update of draft-ietf-netconf-adaptive-subscripti= on-05

 

Be aware: This is an external email.

 

Hi, Thomas,

 

Thanks a lot for the valuable com= ments, please see inline.

&n= bsp;

F= rom: Thomas.Graf@swisscom.com [<= a href=3D"mailto:Thomas.Graf@swisscom.com">mailto:Thomas.Graf@swisscom.com<= /a>]
Sent: Thursday, July 18, 2024 10:08 PM
To: maqiufang (A) <maqiu= fang1@huawei.com>; netconf@ietf.org
Cc: netconf-chairs@ietf.o= rg; draft-ietf-netconf-adaptive-subscription@ietf.org
Subject: RE: Status update of draft-ietf-netconf-adaptive-subscripti= on-05

 

Dear = Qiufang,

 

Thanks a lot for the update. I agree that the document is in a ve= ry good shape and addresses network operators needs for on demand fine grained network telemetry data.

[Qiufang] Thanks, glad to know;-)=

I reviewed the document and have two comments.<= /p>

 

Editorial: I suggest to change "Applying adaptive subscripti= on allows publishers to automatically adjust the period and volume of telemetry data sent to receivers." to "Applying ad= aptive subscription allows publishers to automatically adjust the subscript= ion period dynamically based on pre-defined threshold for finer grained net= work telemetry data sent to receivers."

[Qiufang] Sure, the proposed text= looks good to me.

In https://datatracker.ietf.org/doc/html/draft-ietf-netconf-adaptive-subscript= ion-05#section-2.2 you are mentioning

 

"Note that the adaptive subscription may not be supported by= every YANG datastore node."

 

I suggest to augment ietf-notification-capabilities as defined in https://datatracker.ietf.org/doc/html/rfc9196#section-= 5 to describe which YANG nodes this can be applied to. From a workflow perspective, that match= es what we described in https://datatracker.ietf.org/doc/html/draft-ietf-nmop-yang-message-broker-i= ntegration-03#section-4.1.

[Qiufang] This makes sense to me,= and good point! Will augment the “per-node-capabilities” in th= e system-capabilities yang module with the support of adaptive-subscription= .

I see that the document is missing a implementation status sectio= n (https://datatr= acker.ietf.org/doc/html/rfc7942) nor in the data tracker has under "additional resources" a "= ;related implementations" link.

[Qiufang] Actually we used to hav= e a hackathon project on this work around more than two years ago, we were = targeting a real campus network scenario where gRPC based adaptive telemetry is used to collect data from AP devices, it turns= out that adaptive subscription can analyze the WIFI degradation events wit= h the minimum amount of push data, and you might want to refer to the prese= ntation slides for some more details: https://github.com/IE= TF-Hackathon/ietf113-project-presentations/blob/main/ietf-hackathon-adaptiv= e-subscription.pdf. And demo implementation results and learned = experience were also brought back to the WG to better refine the document.

Would you suggest us to add an &#= 8220;implementation status” section to document related information i= n the draft? We will consider adding this in the next revision.<= /span>

&n= bsp;

I encourage to provide an open-source reference implementation an= d would support and contribute in its validation as part of our "Validate Configured Subscription YANG-Push Publisher Imp= lementations" activities at the IETF hackathon (https://wiki.ietf.org/en/meeting/120/h= ackathon). I believe this helps to improve the quality of the described standard.

[Qiufang] Happy to know your cont= inued hackathon project on yang-push notification validation, it looks good= ! We’ve defined a new “adaptive-period-update” state change notification in the draft, personally I think it would be good if i= t could be validated using your implementation. We did implement this mecha= nism as demos and also in our products, however, I am unsure currently if w= e are able to open source it and if our existing implementation can completely fit into your project. Let m= e check internally, and I will get back to you then.

&n= bsp;

Best wishes

Thomas

Best Regards,

Qiufang

F= rom: maqiufang (A) <maqiufang1=3D40huawei.com@dmarc.iet= f.org>
Sent: Wednesday, July 17, 2024 11:38 PM
To: netconf@ietf.org
Cc: netconf-chairs@ietf.o= rg; draft-ietf-netconf-adaptive-subscription@ietf.org
Subject: [netconf] Status update of draft-ietf-netconf-adaptive-subs= cription-05

 

Be aware: This is an external email.

 

Hi, = all,

 

As a= daptive-subscription document is not going to be presented in this IETF NET= CONF session and authors of WG documents are requested to provide a status = update to the WG, this email is to give a status-update of this work.

 

The = authors have submitted -05 before the submission window, and the main updat= es are as follows:

·         Move use cases for adap= tive subscription into a separate appendix section;

·         Define adaptive-subscri= ption specific RFC errors for “modify-subscription” RPC, in add= ition to the existing ones for “establish-subscription”;

·         Add “Subscription= State Change Notifications” new section to align with the YANG modul= e definition;

·         Use the security consid= erations template described in rfc8407bis;

·         Other editorial updates= .

 

Ther= e are not known open issues currently and the authors feel this document is= close to WGLC, but would really appreciate any feedback from the WG.  = ;Thanks a lot!

 

Best= Regards,

Qiuf= ang // on behalf of authors

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