Re: [Idr] Request to adopt draft-heitz-idr-large-community
"Acee Lindem (acee)" <acee@cisco.com> Tue, 06 September 2016 14:05 UTC
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From: "Acee Lindem (acee)" <acee@cisco.com>
To: Job Snijders <job@ntt.net>, "idr@ietf.org" <idr@ietf.org>
Thread-Topic: [Idr] Request to adopt draft-heitz-idr-large-community
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Date: Tue, 06 Sep 2016 14:04:58 +0000
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Subject: Re: [Idr] Request to adopt draft-heitz-idr-large-community
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I support WG adoption. On 9/6/16, 7:39 AM, "Idr on behalf of Job Snijders" <idr-bounces@ietf.org on behalf of job@ntt.net> wrote: >Dear IDR, fellow network operators, > >I would like to request that the IDR Working Group adopts >draft-heitz-idr-large-community [1] as a working group document. > >Background >---------- >RFC1997 BGP communities are the most common method to signal >meta-information between autonomous systems. RFC1997 communities are a >32 bit entity. The convention is that the first 16 bits are the ASN in >which the last 16 bits have a meaning. RFC1997 is so popular because of >its elegant simplicity and ubiquitous support. > >The operator community (no pun intended!) is suffering from a fatal >flaw. One in five ASNs in the Default-free zone are a 4-byte ASN (RFC >4893). One cannot fit a 32-bit value into a 16-bit field. > >4-byte ASN Operators work around this issue by either resorting to >kludges such as using private 16-bit ASNs as in the "Global >Administrator" field, or by returning the ASN to their respective RIR >and requesting a 16-bit ASN. However, both the RIRs and the IANA have >depleted their supply of 16-bit ASNs. > >Work to address the issue of BGP communities has been ongoing for years. >Notable examples are 'flexible communities' (12 years ago) and 'wide >communities' (6 years ago). The WG so far has been unable to produce an >internet standard which enjoys a status similar to RFC1997. Now that the >RIRs are running out, the issue has become a matter of extreme urgency. > >The Large BGP Community specification gives every network operator >(regardless of whether they have a 2-byte ASN or a 4-byte ASN) 8 bytes >to signal meta-information in an opaque fashion. This will align with >current, well-established practices deployed by network operators. > >The Large BGP Community has purposefully been specified to be narrow and >as simple as possible to meet the operator community immediate needs, >without dissuading from existing community extensions that are in the >standards process pipeline. > >The Large Community, by design, is not extendable, because extensibility >comes at a cost. Knowing that the amount of noise generated by an idea >is inversely proportional to the complexity of the idea, I urge the WG >to consider the Large Community's simplicity not a disadvantage, but a >virtue. > >We ask for your support in this narrow focus to re-imagine the RFC1997 >communities in this way as it should have been done when RFC4893 was >published. > >Kind regards, > >Job Snijders >(co-author draft-heitz-idr-large-community) > >[1]: https://tools.ietf.org/html/draft-heitz-idr-large-community > >_______________________________________________ >Idr mailing list >Idr@ietf.org >https://www.ietf.org/mailman/listinfo/idr
- [Idr] Request to adopt draft-heitz-idr-large-comm… Job Snijders
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Nick Hilliard
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Jared Mauch
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Van De Velde, Gunter (Nokia - BE)
- Re: [Idr] Request to adopt draft-heitz-idr-large-… marco
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Eduardo Ascenço Reis
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Mark Schouten
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Paul Hoogsteder
- Re: [Idr] Request to adopt draft-heitz-idr-large-… i3D.net - Martijn Schmidt
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Greg Hankins
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Acee Lindem (acee)
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Bertrand Duvivier (bduvivie)
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Barry O'Donovan
- Re: [Idr] Request to adopt draft-heitz-idr-large-… heasley
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Grzegorz Janoszka
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Linda Dunbar
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Marco Davids (IETF IMAP)
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Gaurab Raj Upadhaya
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Teun Vink
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Jeff Tantsura
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Theodore Baschak
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Pier Carlo Chiodi
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Nabeel Cocker
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Dickinson, Ian
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Jan Baggen
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Dunc
- Re: [Idr] Request to adopt draft-heitz-idr-large-… David Farmer
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Job Snijders
- [Idr] Moderating "+1" messages John G. Scudder
- Re: [Idr] Request to adopt draft-heitz-idr-large-… David Farmer
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Randy Bush
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Jakob Heitz (jheitz)
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Henderickx, Wim (Nokia - BE)
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Kay Rechthien
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Stefan Plug
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Rob Shakir
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Robert Raszuk
- Re: [Idr] Request to adopt draft-heitz-idr-large-… heasley
- Re: [Idr] Request to adopt draft-heitz-idr-large-… David Farmer
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Job Snijders
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Adam Davenport
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Robert Raszuk
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Warren Kumari
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Gert Doering
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Thomas King
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Jakob Heitz (jheitz)
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Robert Raszuk
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Jakob Heitz (jheitz)
- Re: [Idr] Request to adopt draft-heitz-idr-large-… bruno.decraene
- Re: [Idr] Request to adopt draft-heitz-idr-large-… bruno.decraene
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Jakob Heitz (jheitz)
- Re: [Idr] Request to adopt draft-heitz-idr-large-… bruno.decraene
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Jakob Heitz (jheitz)
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Mikael Abrahamsson
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Wesley Steehouwer
- Re: [Idr] Request to adopt draft-heitz-idr-large-… brad dreisbach
- Re: [Idr] Request to adopt draft-heitz-idr-large-… niels
- Re: [Idr] Request to adopt draft-heitz-idr-large-… John G. Scudder
- Re: [Idr] Request to adopt draft-heitz-idr-large-… Tom Daly