[netmod] Fw: WG Last Call: draft-ietf-netmod-sub-intf-vlan-model-05
Martin Bjorklund <mbj@tail-f.com> Wed, 06 November 2019 09:30 UTC
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Date: Wed, 06 Nov 2019 10:30:00 +0100
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From: Martin Bjorklund <mbj@tail-f.com>
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Subject: [netmod] Fw: WG Last Call: draft-ietf-netmod-sub-intf-vlan-model-05
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Hi Rob, You haven't replied to my WGLC email below, and it seems the issues I brought up are not fixed in -06. Did you miss this email? /martin
--- Begin Message ---Hi, Here is my (late) review of draft-ietf-netmod-sub-intf-vlan-model-05. o 1 The YANG module names are not correct; they are listed as: if-l3-vlan.yang - Defines the model for basic classification of VLAN tagged traffic to L3 transport services flexible-encapsulation.yang - Defines the model for flexible classification of Ethernet/VLAN traffic to L2 transport services Should be "ietf-if-l3-vlan" and "ietf-flexible-encapsulation". Or "ietf-if-l3-vlan" and "ietf-if-flexible-encapsulation". But I also wonder if these names should somehow be changed. What is a "l3-vlan"? And "flexible-encapsulation" sound a bit too generic. o 1.1 The text says: Sub-interface: A sub-interface is a small augmentation of a regular interface in the standard YANG module for Interface Management that represents a subset of the traffic handled by its parent interface. I think the augmentation is the YANG-realization of a sub-interface, but it is not what a sub-interface is. Also, this definition is mis-leading; it doesn't mention that a sub-interface has its own interface type and is represented as one separate entry in the interface list. I think it is better to import this term from draft-ietf-netmod-intf-ext-yang (section 3.6) o 3 The text says: The L3 Interface VLAN model provides appropriate leaves for termination of an 802.1Q VLAN tagged segment to a sub-interface based L3 service. There is a comment in the YANG model that says the same thing. But the YANG model itself augments not only to sub-interface-based interface, but also to ethernet-like interfaces. o YANG modules Both modules lack the IETF Trust Copyright statement. We don't list WG Chairs anymore. The revision statements should be on the form: "RFC XXXX: <title>" Many descriptions are full sentences w/o the ending ".". The modules should be indented properly; a starting point can be pyang -f yang --yang-line-length 69 o ietf-if-l3-vlan There is a comment: /* * Matches a single VLAN Id, or a pair of VLAN Ids to classify * traffic into an L3 service. */ This should be moved into a description clause. o ietf-if-l3-vlan / container dot1q-vlan The must statement has: count(../../if-cmn:forwarding-mode) = 0 This can be changed to not(../../if-cmn:forwarding-mode) which is more direct imo. The must statement's description statement seems to be a copy-and-paste error. o ietf-if-l3-vlan / container dot1q-vlan The descriptions talk about "matching frames" and "classifying traffic", but it is not described anywhere how the matching and classifying is used. (also applies to ietf-flexible-encapsulation) o ietf-if-l3-vlan / outer-tag / second-tag These names are a bit inconsistent. The description describes them as "outermost tag" and "second outermost tag". Perhaps use these names instead? (same names are found in ietf-flexible-encapsulation) o ietf-flexible-encapsulation / all features The features are described as: "This feature indicates whether the network element supports specifying flexible rewrite operations"; Should this be s/whether/that ? o ietf-flexible-encapsulation There is some descriptive text in comments that should be moved to description statements. o ietf-flexible-encapsulation The descriptions for pop/push are a bit terse. It seems to assume that readers already know what this (from somewhere) is so it doesn't need to be described. If this is intended, perhaps add a reference to where this is described. /martin _______________________________________________ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod--- End Message ---
- [netmod] WG Last Call: draft-ietf-netmod-sub-intf… Kent Watsen
- Re: [netmod] WG Last Call: draft-ietf-netmod-sub-… Acee Lindem (acee)
- Re: [netmod] WG Last Call: draft-ietf-netmod-sub-… Jeff Tantsura
- Re: [netmod] WG Last Call: draft-ietf-netmod-sub-… Qin Wu
- Re: [netmod] WG Last Call: draft-ietf-netmod-sub-… Martin Bjorklund
- [netmod] Fw: WG Last Call: draft-ietf-netmod-sub-… Martin Bjorklund
- Re: [netmod] WG Last Call: draft-ietf-netmod-sub-… Rob Wilton (rwilton)
- Re: [netmod] WG Last Call: draft-ietf-netmod-sub-… Rob Wilton (rwilton)
- Re: [netmod] WG Last Call: draft-ietf-netmod-sub-… Rob Wilton (rwilton)
- Re: [netmod] WG Last Call: draft-ietf-netmod-sub-… Qin Wu
- Re: [netmod] WG Last Call: draft-ietf-netmod-sub-… Rob Wilton (rwilton)