Re: [Trans] Adam Roach's Discuss on draft-ietf-trans-rfc6962-bis-31: (with DISCUSS and COMMENT)
Eric Rescorla <ekr@rtfm.com> Wed, 13 March 2019 14:44 UTC
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From: Eric Rescorla <ekr@rtfm.com>
Date: Wed, 13 Mar 2019 07:44:12 -0700
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To: Mirja Kuehlewind <ietf@kuehlewind.net>
Cc: Adam Roach via Datatracker <noreply@ietf.org>, draft-ietf-trans-rfc6962-bis@ietf.org, Paul Wouters <paul@nohats.ca>, Trans <trans@ietf.org>, The IESG <iesg@ietf.org>, trans-chairs@ietf.org
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Subject: Re: [Trans] Adam Roach's Discuss on draft-ietf-trans-rfc6962-bis-31: (with DISCUSS and COMMENT)
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On Wed, Mar 13, 2019 at 7:19 AM Mirja Kuehlewind <ietf@kuehlewind.net> wrote: > HI Ekr, > > I actually have a related question. As this document is rather specifying > a new version than “just” correcting an existing spec, it’s not really > clear to me if the obsolete tag is the right choice here. I know some other > protocols do this in a similar fashion, but I would rather recommend to > only update the previous version RFC (in order to create a link to this new > spec) or declare it historic if usage is not recommended anymore. I think > that's also something we should discuss on the IESG. > First let me say that I find these tags mostly useless and not worth the energy that seems to go into maintaining them. With that said, I think "this is a new version of this protocol and you should stop using the old and and start using this one" is a pretty clear case for Obsoletes. And the question of whether that's the intended sementic is a clear WG decision. So, if the IESG wants people to follow a different practice, it really needs to publish explicit guidance. > Coming back to your original question about how much should be changed in > a bis document. I think this is a valid question for bis doc that correct > known errors. However, in case of this document that specifies a new > version, I think it is the right thing to do to also align such a new > version with the guidelines we follow at the time of publication. > Hmm... This does not seem like the policy we have been applying so far. I'd be interested to see an IETF statement on this matter. -Ekr > Mirja > > > > On 13. Mar 2019, at 14:28, Eric Rescorla <ekr@rtfm.com> wrote: > > > > > > > > On Tue, Mar 12, 2019 at 11:36 PM Adam Roach via Datatracker > <noreply@ietf..org> wrote: > > Adam Roach has entered the following ballot position for > > draft-ietf-trans-rfc6962-bis-31: Discuss > > > > When responding, please keep the subject line intact and reply to all > > email addresses included in the To and CC lines. (Feel free to cut this > > introductory paragraph, however.) > > > > > > Please refer to > https://www.ietf.org/iesg/statement/discuss-criteria.html > > for more information about IESG DISCUSS and COMMENT positions. > > > > > > The document, along with other ballot positions, can be found here: > > https://datatracker.ietf.org/doc/draft-ietf-trans-rfc6962-bis/ > > > > > > > > ---------------------------------------------------------------------- > > DISCUSS: > > ---------------------------------------------------------------------- > > > > Thanks to everyone who worked on updating this protocol to reflect > experience > > gathered from the initial CT protocol. I have one blocking comment, and > a small > > number of editorial suggestions. > > > > > --------------------------------------------------------------------------- > > > > §5: > > > > > Clients are configured with a base URL for a log and construct URLs > > > for requests by appending suffixes to this base URL. This structure > > > places some degree of restriction on how log operators can deploy > > > these services, as noted in [RFC7320]. However, operational > > > experience with version 1 of this protocol has not indicated that > > > these restrictions are a problem in practice. > > > > The synthesis of URLs by a protocol in this fashion is prohibited by BCP > 190: > > > > Scheme definitions define the presence, format, and semantics of a > > path component in URIs; all other specifications MUST NOT constrain, > > or define the structure or the semantics for any path component. > > > > Unless the intention of this document is to update BCP 190 to change this > > normative requirement, we can't publish it in its current form. Note > that doing > > so would require a change of venue, as updates to BCP 190 would not be > covered > > by the current TRANS charter. > > > > Please see BCP 190 section 3 for alternate approaches. All three > approaches > > could be made to work for CT, and I would be happy to explain how to do > so if > > clarification is desired. > > > > While I agree that this is forbidden by BCP 190, this structure is > inherited from > > RFC 6962, which predated 7320, so making that change seems like it's > going > > to be fairly disruptive. This seems like it is falling into our > discussion the other > > day about what must be changed in -bis documents. > > > > -Ekr > > > > > > > > ---------------------------------------------------------------------- > > COMMENT: > > ---------------------------------------------------------------------- > > > > §1.1: > > > > > The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", > > > "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this > > > document are to be interpreted as described in [RFC2119]. > > > > Consider using the boilerplate from RFC 8174. > > > > > --------------------------------------------------------------------------- > > > > §1.3: > > > > > This document revises and obsoletes the experimental CT 1.0 [RFC6962] > > > protocol, drawing on insights gained from CT 1.0 deployments and on > > > feedback from the community. > > > > Given that *this* document is also experimental, it seems a bit odd to > call out > > RFC 6962 as experimental. > > > > > --------------------------------------------------------------------------- > > > > §2.1.1: > > > > > We have established a registry of acceptable hash algorithms (see > > > > The use of first person here is awkward. Consider: "This document > > establishes..." > > > > > --------------------------------------------------------------------------- > > > > §10.2: > > > > > | 0x01 - | Unassigned | | Specification | > > > | 0xDF | | | Required and | > > > | | | | Expert Review | > > > > The policy being cited here is confusing. It is unclear whether the > intention is > > that values can be registered under both §4.5 and §4.6 of RFC 8126. I > suspect > > the intention here is the policy specified in RFC 8126 §4.6 only, without > > reference to the policy in §4.5. If so, please use the formal name > > "Specification Required." > > > > > --------------------------------------------------------------------------- > > > > §10.4: > > > > > | 0x0008 - | Unassigned | Specification Required and | > > > | 0xDFFF | | Expert Review | > > > > Same comment as above. > > > > > --------------------------------------------------------------------------- > > > > §10.5: > > > > > | 0x0000 - | Unassigned | n/a | Specification Required and | > > > | 0xDFFF | | | Expert Review | > > > > Same comment as above. > > > > > >
- [Trans] Adam Roach's Discuss on draft-ietf-trans-… Adam Roach via Datatracker
- Re: [Trans] Adam Roach's Discuss on draft-ietf-tr… Eric Rescorla
- Re: [Trans] Adam Roach's Discuss on draft-ietf-tr… Mirja Kuehlewind
- Re: [Trans] Adam Roach's Discuss on draft-ietf-tr… Eric Rescorla
- Re: [Trans] Adam Roach's Discuss on draft-ietf-tr… Richard Barnes
- Re: [Trans] Adam Roach's Discuss on draft-ietf-tr… Alissa Cooper
- Re: [Trans] Adam Roach's Discuss on draft-ietf-tr… Eric Rescorla
- Re: [Trans] Adam Roach's Discuss on draft-ietf-tr… Mirja Kuehlewind
- Re: [Trans] Adam Roach's Discuss on draft-ietf-tr… Adam Roach
- Re: [Trans] Adam Roach's Discuss on draft-ietf-tr… Alexey Melnikov
- Re: [Trans] Adam Roach's Discuss on draft-ietf-tr… Rob Stradling
- Re: [Trans] Adam Roach's Discuss on draft-ietf-tr… Adam Roach
- Re: [Trans] Adam Roach's Discuss on draft-ietf-tr… Rob Stradling