Two responses below.

Russ


> On Jul 4, 2020, at 2:01 PM, David Allan I 
> <david.i.allan=40ericsson....@dmarc.ietf.org> wrote:
> 
> Hi Russ:
> 
> FWIW I'll echo agreement with Donald here and also express thanks. I would 
> share his concern about depending on a constant URL structure.
> 
> Cheers
> D
> 
> -----Original Message-----
> From: Donald Eastlake <d3e...@gmail.com> 
> Sent: Friday, July 3, 2020 8:07 PM
> To: Russ Housley <hous...@vigilsec.com>
> Cc: gen-art@ietf.org Review Team <gen-art@ietf.org>; last-c...@ietf.org; 
> draft-allan-5g-fmc-encapsulation....@ietf.org
> Subject: Re: Genart last call review of draft-allan-5g-fmc-encapsulation-04
> 
> Hi Russ,
> 
> Thanks for the review. See my responses as one co-author below.
> 
> On Fri, Jul 3, 2020 at 12:33 PM Russ Housley via Datatracker 
> <nore...@ietf.org> wrote:
>> 
>> Reviewer: Russ Housley
>> Review result: Almost Ready
>> 
>> I am the assigned Gen-ART reviewer for this draft. The General Area 
>> Review Team (Gen-ART) reviews all IETF documents being processed by 
>> the IESG for the IETF Chair.  Please treat these comments just like 
>> any other last call comments.
>> 
>> For more information, please see the FAQ at 
>> <http://wiki.tools.ietf.org/area/gen/trac/wiki/GenArtfaq>.
>> 
>> Document: draft-allan-5g-fmc-encapsulation-04
>> Reviewer: Russ Housley
>> Review Date: 2020-07-03
>> IETF LC End Date: 2020-07-27
>> IESG Telechat date: Unknown
>> 
>> 
>> Summary: Almost Ready
>> 
>> Major Concerns:
>> 
>> Section 2 says:
>> 
>>   PPPoE data packet encapsulation is indicated in an IEEE 802[8]
>>   Ethernet frame by an Ethertype of 0x8864.
>> 
>> This is very odd way to introduce this section.  IEEE Std 802-2001 
>> covers the architecture for Project 802, not just Ethernet frames, 
>> which are fully specified in IEEE 802.3.  However, the MAC frame, MAC 
>> addresses, and Ethertypes are all described in this standard.
>> Second, you need to point to RFC 2516 to talk about PPPoE.  Third, the 
>> Ethertype is not defined in IEEE Std 802-2001.  I suggest:
>> 
>>   The Ethernet payload [8] for PPPoE [3] is indicated by an
>>   Ethertype of 0x8864.
> 
> I'd be fine with that change. (I hope we don't refer to 802.3, last time I 
> looked that document was well over 20,000 pages everything of relevance is in 
> 802.)
> 
>> References:  I think that [9] needs to be a normative reference 
>> because the reader cannot understand the QFI field without it.
> 
> OK with me.
> 
>> Minor Concerns:
>> 
>> Introduction: You spell out the meaning of 5G, but not BBF.  Please 
>> spell out BBF.  I note that 5G is on the RFC Editor "well known"
>> list 
>> (https://protect2.fireeye.com/v1/url?k=c7043a1d-99a4f858-c7047a86-86b5
>> 68293eb5-c84fc54a0ea60a7c&q=1&e=3bf3375d-077c-4030-87f7-c12d7d44797e&u
>> =https%3A%2F%2Fwww.rfc-editor.org%2Fmaterials%2Fabbrev.expansion.txt), but 
>> BBF is not, so it would be fine to not spell out 5G. Likewise, please spell 
>> out p2p, PPPoE, IPoE, DSLAMs, and OLTs the first time the term is used.
>> 
>> Please explain the UE in the Introduction so that it is understood by 
>> the time it is used later.
> 
> I think most standards documents use too many acronyms and I do not think the 
> RFC Editor "well known" list authoritatively describes the state of knowledge 
> of every RFC reader. So I'm fine with spelling out more things but would 
> prefer not to drop any existing spelling outs.
> 
>> Please use the exact wording from RFC 8174 in the boilerplate:
>> 
>>   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL
>>   NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED",
>>   "MAY", and "OPTIONAL" in this document are to be interpreted as
>>   described in BCP 14 [RFC2119] [RFC8174] when, and only when, they
>>   appear in all capitals, as shown here.
>> 
>> I assume that it is okay to use "[1] [2]" instead of "[RFC2119] 
>> [RFC8174]", but this is not the tradition.
>> 
>> Section 2: Please add a reference for the IANA registry.  I think you 
>> are pointing to here:
>> 
>> 
>> https://www.iana.org/assignments/ppp-numbers/ppp-numbers.xhtml#ppp-num
>> bers-2
> 
> Is IANA's URL structure and URL embedded nomenclature guaranteed to be 
> constant? The draft gives the precise name of the IANA registries web page 
> referenced: "Point-to-Point (PPP) Protocol Field Assignments". I see no need 
> to include a URL. I put through a number of drafts and IANA has never asked 
> me to add a URL to an IANA web page or registry to one of those drafts.

You can do it in such a way that the RFC Editor drops the pointer from the 
final document, but the URL makes it absolutely clear to IANA which registry is 
being updated.

> 
>> Section 5: Please add pointers to the registry that is to be updated.
>> I think you are pointing here:
>> 
>> 
>> https://www.iana.org/assignments/ieee-802-numbers/ieee-802-numbers.xht
>> ml#ieee-802-numbers-1
> 
> Same comment here.

Me too.

> 
>> Nits:
>> 
>> Abstract: I suggest that the Abstract say what is provided instead of 
>> the needs of 5G.  It is also shorter.  I suggest:
>> 
>>   As part of providing wireline access to the 5G Core (5GC), deployed
>>   wireline networks carry user data between 5G residential gateways
>>   and the 5G Access Gateway Function (AGF). The encapsulation method
>>   specified in this document supports the multiplexing of traffic for
>>   multiple PDU sessions within a VLAN delineated access circuit,
>>   permits legacy equipment in the data path to snoop certain packet
>>   fields, carries 5G QoS information associated with the packet data,
>>   and provides efficient encoding.
> 
> That looks OK to me.
> 
>> Section 4: s/document"s/document's/
> 
> Thanks,
> Donald
> =============================
> Donald E. Eastlake 3rd   +1-508-333-2270 (cell)
> 2386 Panoramic Circle, Apopka, FL 33896 USA  d3e...@gmail.com
> -- 
> last-call mailing list
> last-c...@ietf.org
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