Re: Last Call: draft-ietf-usefor-usepro (Netnews Architecture and Protocols) to Proposed Standard
Tony Hansen <tony@att.com> Fri, 26 September 2008 13:45 UTC
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Date: Fri, 26 Sep 2008 09:42:47 -0400
From: Tony Hansen <tony@att.com>
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To: ietf@ietf.org, ietf-usefor@imc.org
Subject: Re: Last Call: draft-ietf-usefor-usepro (Netnews Architecture and Protocols) to Proposed Standard
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I admit it: I'm not a fan of X- headers. Why not just register a header in the header registry and be done with it, rather than encouraging yet-another set of X-headers, all possibly named differently? Why encourage the use of X- headers in a standards track document? For example, consider using Netnews-Gateway-Control in place of X-Gateway, or some other such name, 2. The news-to-mail gateway adds a Netnews-Gateway-Control header field to all messages it generates. and then add this to the IANA Considerations section: Header field name: Netnews-Gateway-Control Applicable protocol: mail, netnews Status: standard Author/Change controller: IETF Specification document(s): RFC XXXX (this document) If you'd rather define a *set* of header names, to allow implementations to pick their own names, then use this: 2. The news-to-mail gateway adds a Netnews-Gateway-Control header field (or a header field whose name begins with Netnews-Gateway-Control-) to all messages it generates. and then add this to the IANA Considerations section: Header field name: Netnews-Gateway-Control Applicable protocol: mail, netnews Status: standard Author/Change controller: IETF Specification document(s): RFC XXXX (this document) Header field name: Netnews-Gateway-Control-* (all headers whose name begins with "Netnews-Gateway-Control-") Applicable protocol: mail, netnews Status: standard Author/Change controller: IETF Specification document(s): RFC XXXX (this document) My $0.02. Tony Hansen tony@att.com SM wrote: >> I can see your point here, but I'm not sure the lack is particularly >> important. I'd really rather not see us make further changes to USEFOR; >> generally an X-* header is used for this and is adequate in practice. > > Each implementation might use a different header field name. It's might > become a problem in future. > >> Well, this is very explicitly an example based on a specific >> implementation, which happens to use an X-* header. But I can see where >> this would be less than ideal. However, as above, I'm hesitant to invent >> a new header for this purpose and add the necessary machinery for >> registering it when there is no standardized existing practice and it's >> not clear what issues are involved in picking a header field, >> standardizing its format, and so forth. > > Implementors will likely pick X-Gateway as you mentioned that header > name in the example. Once people start using specific headers, it's > difficult to depreciate them in favor of some standardized format.
- Last Call: draft-ietf-usefor-usepro (Netnews Arch… The IESG
- Re: Last Call: draft-ietf-usefor-usepro (Netnews … SM
- Re: Last Call: draft-ietf-usefor-usepro (Netnews … Charles Lindsey
- Re: Last Call: draft-ietf-usefor-usepro (Netnews … Russ Allbery
- Re: Last Call: draft-ietf-usefor-usepro (Netnews … SM
- Re: Last Call: draft-ietf-usefor-usepro (Netnews … Russ Allbery
- Re: Last Call: draft-ietf-usefor-usepro (Netnews … SM
- Re: Last Call: draft-ietf-usefor-usepro (Netnews … Tony Hansen
- Re: Last Call: draft-ietf-usefor-usepro (Netnews … Charles Lindsey