Re: [Idr] Request to adopt draft-heitz-idr-large-community
marco@lamehost.it Tue, 06 September 2016 13:00 UTC
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Subject: Re: [Idr] Request to adopt draft-heitz-idr-large-community
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September 6, 2016 1:44 PM, "Job Snijders" <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 Support!
- [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