Re: [homenet] Intdir telechat review of draft-ietf-homenet-front-end-naming-delegation-25
Tim Chown <Tim.Chown@jisc.ac.uk> Fri, 06 January 2023 13:02 UTC
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From: Tim Chown <Tim.Chown@jisc.ac.uk>
To: "Eric Vyncke (evyncke)" <evyncke@cisco.com>
CC: "int-dir@ietf.org" <int-dir@ietf.org>, "draft-ietf-homenet-front-end-naming-delegation.all@ietf.org" <draft-ietf-homenet-front-end-naming-delegation.all@ietf.org>, "homenet@ietf.org" <homenet@ietf.org>, "last-call@ietf.org" <last-call@ietf.org>
Thread-Topic: Intdir telechat review of draft-ietf-homenet-front-end-naming-delegation-25
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Date: Fri, 06 Jan 2023 13:02:43 +0000
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Subject: Re: [homenet] Intdir telechat review of draft-ietf-homenet-front-end-naming-delegation-25
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Hi Eric, Sorry, the R&E world closes for 2 weeks over the holiday period :) I just read the IESG comments now, and your comment that "The flow and the text (grammar, English) had also a rewrite”, but the diffs from 24 (my review) to 25 (new) are very minor and the abstract for example still has six typos or errors in just two paragraphs. I don’t think any of the errors confuse semantics, but it’s in a very poor state compared to other draft that I’ve reviewed at a close to Ready state. The suggestion to move it to Experimental is good, imo. Tim On 6 Jan 2023, at 11:56, Eric Vyncke (evyncke) <evyncke@cisco.com> wrote: Thank you very much Tim for your review for int-dir. Even if a little too late for the IESG telechat, I am sure that the authors will take your review in consideration. I personally like your suggestion to add an appendix section on the deployment/operation timeline. Regards -éric On 05/01/2023, 16:12, "Tim Chown via Datatracker" <noreply@ietf.org <mailto:noreply@ietf.org>> wrote: Reviewer: Tim Chown Review result: Almost Ready Hi, I have reviewed this document as part of the Operational directorate's ongoing effort to review all IETF documents being processed by the IESG. These comments were written with the intent of improving the operational aspects of the IETF drafts. Comments that are not addressed in last call may be included in AD reviews during the IESG review. Document editors and WG chairs should treat these comments just like any other last call comments. This document describes an architecture by which names and IP addresses of hosts or services may be made available in the public DNS through the use of a homenet naming authority (HNA) and associated (hidden) primary DNS function resident in the home network and a DNS outsourcing infrastructure (DOI) function which through a distribution manager also acts as a secondary. Methods for synchronisation and control of the information between the HNA and DOI are presented. I would say this document is getting close to being Ready, but still has issues. A significant problem is that the document is not particularly well written. The quality of the text is poor, with at least six typos or mistakes in just the initial two paragraph abstract, which does not put the reader in a good frame of mind to read the main body of the document. There are mistakes throughout the document. I would suggest that a full check, from start to finish, is required before the draft can progress. It may be the fact that the draft is now over 10 years old means it has been “cobbled” over a long period and perhaps it therefore doesn’t flow as well as it would were it written from scratch today. General comments: The introduction section introduces a lot of new terms and language, and notes on how various elements and components are related, and communicate. A clear diagram would be really helpful here. There is one in 5.1, but a high-level one in section 1 would improve the document. Otherwise, I am ok with the general principle of what is proposed, i,.e. a ‘hidden’ primary and a secondary in the DOI part, feeding the publicly accessible servers. But this could also be done with a standard DNS approach - should thus be noted and a section added pointing out the pros and cons of each approach? I would like to see, perhaps as an Appendix, a clear list of steps that would happen, to go from the starting point (presumably arrangement for the domain(s) and startup of the HNA function) to a steady operational state, maybe even as a state diagram. This could include a clearer view of how the user updates the information they wish to make available. There’s hints of parts of this in the document, but not a whole view. Is the HNA typically a function in the home router? Do we expect CPE vendors to implement this? Which begs the question are there at least two independent implementations of what is described in this text? Is what’s written here theory, or has it been proven? The ideas for this approach have clearly been around for some 10 years at least. The HNA signs the zone for DNSSEC, but is this a MUST? DNSSEC is mentioned many times, but this is unclear. In 5.1 and in 6.1 the sentence about this doesn’t say MUST, but later in section 11 it does. If it is a MUST, say so earlier. Of course, DNSSEC is not exactly pervasive as it is. Specific comments: Abstract: “The names and IP address of the home network are present in the Public Homenet Zone by the Homenet Naming Authority (HNA)“ - “are present” needs correcting. “Home networks are increasingly numbered using IPv6 addresses, which makes this access much simpler.” - well, it means global addresses are available, but the issues of for example naming, numbering, firewalling and appropriate access control remain. Section 3: ULA use here should be very strongly discouraged. For a “Public Homenet Zone” should we not use strong language for GUA? Documents talking about ULAs tend to take a long time to get published :) Section 4: In 4.1.1 the method in bullet point 3 seems very ugly. Section 5: In the diagram, does the DOI in fact cover the public authoritative servers, given you say “The DOI will serve every DNS request of the Public Homenet Zone coming from outside the home network.“ As it is the diagram shows the DOI only populating the public authoritative servers? In 5.2 does “protected” mean provision of confidentiality? Section 6: In 6.1, “perhaps and” ? In 6.5, the use of a DNS zone transfer to provide commands seems ugly. Section 12: Talks about power cycling of the HNA. This implies it’s resident on specific hardware, but what is expected or recommended? COPE an d HNA are sometimes used interchangeably in the document. Section 14: The document “exposes a mechanism” ? In 14.4, maybe mention here if any special considerations for a replacement CPE (and thus HNA if that model its used) are needed? Tim
- [homenet] Intdir telechat review of draft-ietf-ho… Tim Chown via Datatracker
- Re: [homenet] Intdir telechat review of draft-iet… Eric Vyncke (evyncke)
- Re: [homenet] Intdir telechat review of draft-iet… Tim Chown
- Re: [homenet] Intdir telechat review of draft-iet… Eric Vyncke (evyncke)
- Re: [homenet] Intdir telechat review of draft-iet… Tim Chown
- Re: [homenet] Intdir telechat review of draft-iet… Daniel Migault
- Re: [homenet] Intdir telechat review of draft-iet… Tim Chown
- Re: [homenet] Intdir telechat review of draft-iet… Daniel Migault
- Re: [homenet] Intdir telechat review of draft-iet… Tim Chown
- Re: [homenet] Intdir telechat review of draft-iet… Daniel Migault