Re: [Idr] Request to adopt draft-heitz-idr-large-community
Greg Hankins <ghankins@mindspring.com> Tue, 06 September 2016 14:03 UTC
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Date: Tue, 06 Sep 2016 10:02:38 -0400
From: Greg Hankins <ghankins@mindspring.com>
To: Job Snijders <job@ntt.net>
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Subject: Re: [Idr] Request to adopt draft-heitz-idr-large-community
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Support! -- Greg Hankins <ghankins@mindspring.com> -----Original Message----- Date: Tue, 6 Sep 2016 13:39:19 +0200 From: Job Snijders <job@ntt.net> To: idr@ietf.org Subject: [Idr] Request to adopt draft-heitz-idr-large-community 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