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charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM6PR11MB2841.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 6e8aaed7-5eaf-4902-4795-08da13bd80ec X-MS-Exchange-CrossTenant-originalarrivaltime: 01 Apr 2022 08:56:25.8749 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5ae1af62-9505-4097-a69a-c1553ef7840e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 5MedIAFjOeJ9RFsoPXJ/Shv2sc1bCsNh+8q8E35roMYeWWeSARrOA0bEj7tUxAVPtTQD/b1eys9NZq4MihIEoA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR11MB1491 X-OriginatorOrg: cisco.com X-Outbound-SMTP-Client: 64.101.210.233, xfe-rtp-003.cisco.com X-Outbound-Node: alln-core-4.cisco.com Archived-At: Subject: Re: [netconf] [netmod] Common etag, timestamp on all interfaces (draft-lindblad-netconf-transaction-id) X-BeenThere: netconf@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETCONF WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Apr 2022 08:56:36 -0000 Kent, WG, > [CC-ing NETCONF, as this discussion (and draft) belongs there. To whomev= er replies to this message, please remove NETMOD from the CC-list. Thanks!= ] Thanks for pointing this out, Kent. I never noticed which forum the questio= n was raised in. >>> The same rules apply: >>>=20 >>> - ETag is a MUST, LastModified is a MAY >>> - root-node is a MUST, inner-nodes is a MAY >>=20 >> I'm perfectly fine with this. Since we are in agreement maybe I should j= ust stop here.=20 >=20 > The "rules" mentioned above are what RFC 8040 defines. The same rules sh= ould apply to the NETCONF equivalent. Which is to say, the draft that def= ines the NETCONF-equivalent should define support for both. We are in agreement. I will add back LastModified, which was there in early= versions. >> Since I noted that I haven't done a good job at explaining how the ETag = mechanism works, let me take the example below and explain how this situati= on is avoided using ETags. >=20 > >=20 > Regarding the PROs and CONs of ETag vs LastModified, examples can be cons= tructed showing each being better in cases. As protocol-designers, the cho= ice should be given to deployments. Right. My point was not to advocate for either one, just explain where they= differ. From previous posts, I realized that my previous explanations had = not been well understood. Best Regards, /jan From nobody Wed Apr 6 14:25:50 2022 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 6DDD83A0C0B; Wed, 6 Apr 2022 14:25:28 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.658 X-Spam-Level: X-Spam-Status: No, score=-1.658 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.248, RCVD_IN_DNSWL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id kg8pJvIjNt88; Wed, 6 Apr 2022 14:25:23 -0700 (PDT) Received: from rfcpa.amsl.com (rfc-editor.org [4.31.198.49]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id A82893A0BFB; Wed, 6 Apr 2022 14:25:23 -0700 (PDT) Received: by rfcpa.amsl.com (Postfix, from userid 499) id 8947FB33A1; Wed, 6 Apr 2022 14:25:23 -0700 (PDT) To: lijun.liao@gmail.com, kent+ietf@watsen.net, ian.farrer@telekom.de, mikael.abrahamsson@t-systems.se From: RFC Errata System Cc: rfc-ed@rfc-editor.org, iesg@ietf.org, netconf@ietf.org, iana@iana.org Content-Type: text/plain; charset=UTF-8 Message-Id: <20220406212523.8947FB33A1@rfcpa.amsl.com> Date: Wed, 6 Apr 2022 14:25:23 -0700 (PDT) Archived-At: Subject: [netconf] [Errata Verified] RFC8572 (6807) X-BeenThere: netconf@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETCONF WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Apr 2022 21:25:29 -0000 The following errata report has been verified for RFC8572, "Secure Zero Touch Provisioning (SZTP)". -------------------------------------- You may review the report below and at: https://www.rfc-editor.org/errata/eid6807 -------------------------------------- Status: Verified Type: Editorial Reported by: Lijun Liao Date Reported: 2022-01-04 Verified by: RFC Editor Section: 3.3 Original Text ------------- When unencrypted, the ownership voucher artifact is as defined in [RFC8366]. As described, it is a CMS structure whose topmost content type MUST be the OID id-signedData (1.2.840.113549.1.7.2), whose eContentType MUST be OID id-ct-animaJSONVoucher (1.2.840.113549.1.9.16.1), or the OID id-data (1.2.840.113549.1.7.1). When the OID id-data is used, the encoding (JSON, XML, etc.) SHOULD be communicated externally. In either case, the associated content is an octet string containing ietf-voucher data in the expected encoding. When encrypted, the topmost content type of the ownership voucher artifact's CMS structure MUST be the OID id-envelopedData (1.2.840.113549.1.7.3), and the encryptedContentInfo's content type MUST be the OID id-signedData (1.2.840.113549.1.7.2), whose eContentType MUST be OID id-ct-animaJSONVoucher (1.2.840.113549.1.9.16.1), or the OID id-data (1.2.840.113549.1.7.1). When the OID id-data is used, the encoding (JSON, XML, etc.) SHOULD be communicated externally. In either case, the associated content is an octet string containing ietf-voucher data in the expected encoding. Corrected Text -------------- When unencrypted, the ownership voucher artifact is as defined in [RFC8366]. As described, it is a CMS structure whose topmost content type MUST be the OID id-signedData (1.2.840.113549.1.7.2), whose eContentType MUST be OID id-ct-animaJSONVoucher (1.2.840.113549.1.9.16.1.40), or the OID id-data (1.2.840.113549.1.7.1). When the OID id-data is used, the encoding (JSON, XML, etc.) SHOULD be communicated externally. In either case, the associated content is an octet string containing ietf-voucher data in the expected encoding. When encrypted, the topmost content type of the ownership voucher artifact's CMS structure MUST be the OID id-envelopedData (1.2.840.113549.1.7.3), and the encryptedContentInfo's content type MUST be the OID id-signedData (1.2.840.113549.1.7.2), whose eContentType MUST be OID id-ct-animaJSONVoucher (1.2.840.113549.1.9.16.1.40), or the OID id-data (1.2.840.113549.1.7.1). When the OID id-data is used, the encoding (JSON, XML, etc.) SHOULD be communicated externally. In either case, the associated content is an octet string containing ietf-voucher data in the expected encoding. Notes ----- The OID for id-ct-animaJSONVoucher is 1.2.840.113549.1.9.16.1.40. --VERIFIER NOTES-- Author verified errata is correct and also appears in http://oid-info.com/get/1.2.840.113549.1.9.16.1.40 -------------------------------------- RFC8572 (draft-ietf-netconf-zerotouch-29) -------------------------------------- Title : Secure Zero Touch Provisioning (SZTP) Publication Date : April 2019 Author(s) : K. Watsen, I. Farrer, M. Abrahamsson Category : PROPOSED STANDARD Source : Network Configuration Area : Operations and Management Stream : IETF From nobody Wed Apr 6 16:07:38 2022 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 E24763A0BD6 for ; Tue, 5 Apr 2022 08:40:12 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.909 X-Spam-Level: X-Spam-Status: No, score=-1.909 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id O2Xr5_yvuSTi for ; Tue, 5 Apr 2022 08:40:07 -0700 (PDT) Received: from chinatelecom.cn (prt-mail.chinatelecom.cn [42.123.76.226]) by ietfa.amsl.com (Postfix) with ESMTP id 7B6183A0BD4 for ; 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Hi,= Qin:

I am glad that you have read through my dra= ft-he-netconf-adaptive-collection-usecases, and thank you very much for yo= ur comments and questions. 

This draft mainl= y focuses on interface traffic collection of IP network device (e.g,. rout= er, switch,gateway, BRAS, etc) . As is well known,  SNMP has been wid= ely deployed in ISPs' networks, especially in collecting interface traffic= . Limited by its low efficiency and more demands for processing capacity, = SNMP has no ability to realize real-time traffic sampling at sub seconds o= r even milliseconds level, which is neccesary for deterministic services w= ith delay,  jitter, and packet loss bound. Telemetry based on gRPC ha= s the capability to collect interface traffic at a higher frequency, i.e.,= millisecond interval. However, it is impractical to gain the real-time tr= affic visibility at the cost of persistent sampling at millisecond interva= ls, bacause of considerable resource consumption (i.e., exhaust resources = of the forwarding plane and the control plane of network device as well as= computing and storage resources of collector) .  

The goal of this draft is to give the problem statement and set for= th the importance of adaptive traffic data collection mechanism to capture= real-time network state (for example, interface congestion caused by micr= obust) at minimum resource consumption. In the case of normal non-congeste= d network condition, which happen at the time of 95% above, minutes-level = sampling cycle is enough ,because it can give rise to less jitter and loss= .  But, while detecting a congestion state or congestion trend, samp= ling period must be timely tuned to milliseconds so as to capture a microb= urst traffic of interface. 

In order to moni= tor the congestion state of interface timely, the dedicated hardware is pr= eferable rather than using CPU on main control board through query. As soo= n as the event is triggered by output queue overflow, queue depth beyond t= he threshold or too high link utilization, the sampling cycle must be swit= ched to milliseconds so as to capture the real-time interface traffic visi= bility.

In 4.1, Multi-dimensional real-time portr= ait of interface traffic characteristic is the most important scenario of = the adaptive traffic data collection. Obtaining the holistic and genuine c= haracteristic of interfacetraffic is a basic requirement for the statistic= al multiplexing model of IP network, which is of great significance for tr= affic prediction, network planning, network capacity expansion, network op= timization,etc.

In 4.2, Microburst traffic detect= ing is another scenario of the adaptive traffic data collection. In order = to detect  microburst, it is impractical to persist sampling at milli= second intervals, the adaptive collection mechanism is the best approach f= or minimizing resource consumption.

As for use ca= se 3 and 4, more precisely to say, they are two application instances of r= eal-time interface traffic visibility. Actually,  more application in= stances for different purpose can be based on the real-time interface traf= fic visibility, such as traffic prediction, network capacity expansion, ne= twork optimization, etc. 

Draft-wang-netconf= -adaptive-subscription defines a YANG data model for the adaptive Subscrip= tion, I think this draft and my draft are complementary. And I hope we can= have a deep cooperation,striving to promote standardization. 
<= /div>

Best regards.

Xiaoming H= e
=0A
hexm4@chinatelecom.cn
=0A
 
=
From: Qin Wu
D= ate: 2022-03-22 12:04
To: Netconf
Subject: Comments on = draft-he-netconf-adaptive-collection-usecases
=0A