Re: [Lsr] Guidance for IANA flags field registry creation.
Christian Hopps <chopps@chopps.org> Wed, 21 April 2021 16:36 UTC
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From: Christian Hopps <chopps@chopps.org>
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Date: Wed, 21 Apr 2021 12:36:13 -0400
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Cc: Tony Li <tony1athome@gmail.com>, "lsr@ietf.org" <lsr@ietf.org>, "lsr-ads@ietf.org" <lsr-ads@ietf.org>, "lsr-chairs@ietf.org" <lsr-chairs@ietf.org>
To: "Les Ginsberg (ginsberg)" <ginsberg@cisco.com>
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Subject: Re: [Lsr] Guidance for IANA flags field registry creation.
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Is this really that big of an issue? This seems to be taking a lot of the WGs time at this point for a fairly trivial thing. Thanks, Chris. > On Apr 21, 2021, at 12:11 PM, Les Ginsberg (ginsberg) <ginsberg@cisco.com> wrote: > > Tony - > > Because this is shared between OSPF and IS-IS the related registry is in a different location. > > https://www.iana.org/assignments/igp-parameters/igp-parameters.xhtml#link-attribute-application-identifiers > > as defined in > > https://www.rfc-editor.org/rfc/rfc8919.html#section-7.4 > > For me, this falls into the same category as https://www.iana.org/assignments/isis-tlv-codepoints/isis-tlv-codepoints.xhtml#prefix-attribute-flags . > It is a general purpose flags field that was expected to be updated by a variety of otherwise unrelated documents and so we defined a registry for it. > This category of flags field was never under discussion - I thought you and I had agreed on this explicitly early on. > > Les > > >> -----Original Message----- >> From: Tony Li <tony1athome@gmail.com> >> Sent: Wednesday, April 21, 2021 7:47 AM >> To: Les Ginsberg (ginsberg) <ginsberg@cisco.com> >> Cc: Christian Hopps <chopps@chopps.org>; lsr@ietf.org; lsr-ads@ietf.org; lsr- >> chairs@ietf.org >> Subject: Re: [Lsr] Guidance for IANA flags field registry creation. >> >> >> Les, >> >>> I did (an admittedly casual) review of such fields in all TLVs defined during >> the existence of the IS-IS/LSR WGs - which covers over 20 years. I did not find >> a single occurrence where the flags field ever got extended. >> >> >> draft-ietf-isis-te-app defines the Application Specific Link Attributes TLV. >> That includes the Standard Application Identifier Bit Mask and defines three >> bits. >> >> draft-ietf-lsr-flex-algo extends this with one bit for FlexAlgo. >> >> So there is one example. >> >> Tony >
- [Lsr] Guidance for IANA flags field registry crea… Christian Hopps
- Re: [Lsr] Guidance for IANA flags field registry … Les Ginsberg (ginsberg)
- Re: [Lsr] Guidance for IANA flags field registry … Christian Hopps
- Re: [Lsr] Guidance for IANA flags field registry … Acee Lindem (acee)
- Re: [Lsr] Guidance for IANA flags field registry … Les Ginsberg (ginsberg)
- Re: [Lsr] Guidance for IANA flags field registry … Tony Li
- Re: [Lsr] Guidance for IANA flags field registry … Les Ginsberg (ginsberg)
- Re: [Lsr] Guidance for IANA flags field registry … Christian Hopps