Hi Yingzhen, Many thanks for the review. Please see inline. Cheers, Med > -----Message d'origine----- > De : Yingzhen Qu via Datatracker <noreply@xxxxxxxx> > Envoyé : mardi 24 mai 2022 01:28 > À : rtg-dir@xxxxxxxx > Cc : draft-ietf-opsawg-l2nm.all@xxxxxxxx; last-call@xxxxxxxx; > opsawg@xxxxxxxx > Objet : Rtgdir telechat review of draft-ietf-opsawg-l2nm-16 > > Reviewer: Yingzhen Qu > Review result: Has Nits > > I have been selected as the Routing Directorate reviewer for this > draft. The Routing Directorate seeks to review all routing or > routing-related drafts as they pass through IETF last call and > IESG review, and sometimes on special request. The purpose of the > review is to provide assistance to the Routing ADs. > For more information about the Routing Directorate, please see > http://trac.tools.ietf.org/area/rtg/trac/wiki/RtgDir > > Although these comments are primarily for the use of the Routing > ADs, it would be helpful if you could consider them along with any > other IETF Last Call comments that you receive, and strive to > resolve them through discussion or by updating the draft. > > Document: draft-ietf-opsawg-l2nm-16 > Reviewer: Yingzhen Qu > Review Date: 05/23/2022 > IETF LC End Date: unknown > Intended Status: Standards Track > > Summary: > Thanks to the authors for working on this document. I think it's > almost ready for publication. There is one error in the appendix > A.2 example that should be fixed before publication, and there are > a few minor issues/nits that may be considered before publication. > > Major Issues: > > Appendix A.2: > libyang[0]: Node "ldp-pw-type" not found as a child of "ldp-or- > l2tp" node. > (path: Schema location > /ietf-l2vpn-ntw:l2vpn-ntw/vpn-services/vpn-service/vpn-nodes/vpn- > node/signaling-option/signaling-option/ldp-or-l2tp/ldp-or-l2tp, > data location /ietf-l2vpn-ntw:ldp-or-l2tp, line number 61.) This > should "t-ldp-pw-type". > [Med] Good catch. Fixed. Thanks. > General Comment: > A lot of descriptions about nodes exported from RFC9181 in section > 7 are redundant from RFC9181. [Med] We tried to find a balance between pointing to RFC9181 and ease the readability of the document. > > Minor Issues and Nits (line numbers are from idnits): > > 397 Also, the L2NM uses the IANA-maintained modules "iana- > bgp-l2-encaps" > 398 (Section 8.1) and "iana-pseudowire-types" (Section 8.2) > to identify a > 399 Layer 2 encapsulation type. > > [nits]: encapsulation type and pseudowire type. > [Med] ACK. Changed to "encapsulation and pseudowire types" > 409 view of the L2VPN service. Such a view is only visible > within the > 410 service provider and is not exposed outside (to > customers, for > 411 example). > > [nits]: Visible within/visible to [Med] Fixed, thanks. > > 500 'name': Sets a name to uniquely identify an ES within > a service > 501 provider network. This name is referenced in the > VPN network > 502 access level of the L2NM (Section 7.6). > > [major]: I don't see where the "name" is referenced. [Med] This is called here: +--rw group* [group-id] | +--rw group-id string | +--rw precedence? | | identityref =====> | +--rw ethernet-segment-identifier? string A.4 provides an example how the segment is created and then how the name is called in the L2NM. Updated the text with a pointer to that appendix. > > 577 The 'vpn-profiles' container is used by the provider to > maintain a > 578 set of common VPN profiles that apply to VPN services > (Section 7.2). > > [nits]: to be consistent with section 7.2: to maintain/to define > and maintain > [Med] OK. > 629 This document does not make any assumption about the > exact definition > 630 of these profiles. The exact definition of the > profiles is local to > 631 each VPN service provider. > > [nits]: These two sentences should be rewritten to be concise. [Med] OK, shortened to: "The exact definition of these profiles is local to each VPN service provider." > > 2785 leaf name { > 2786 type string; > 2787 description > 2788 "Includes the name of the Ethernet Segment > (ES)."; > 2789 } > > [nits]: please update the description [Med] Updated to: "Includes the name of the Ethernet Segment (ES) that is used to unambiguously identify an ES."; > > 3824 container active-global-parameters-profiles > { > 3825 description > 3826 "Container for a list of global > parameters > 3827 profiles."; > 3828 list global-parameters-profile { > 3829 key "profile-id"; > 3830 description > 3831 "List of active global parameters > profiles."; > 3832 leaf profile-id { > 3833 type leafref { > 3834 path "../../../../../global- > parameters-profiles" > 3835 + "/global-parameters- > profile/profile-id"; > 3836 } > 3837 description > 3838 "Points to a global profile defined > at the > 3839 service level."; > 3840 } > 3841 uses parameters-profile; > 3842 } > 3843 } > > [question]: profile-id is a leafref to the "global-parameters- > profile", where grouping "parameters-profile" is already > included/used, why is it used here again? is it for configuration > overwritten? > [Med] We need to call out a specific profile (and use the same id) to be activated at the node level. 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