Re: [Idr] Benoit Claise's Discuss on draft-ietf-idr-large-community-11: (with DISCUSS and COMMENT)
heasley <heas@shrubbery.net> Wed, 04 January 2017 15:21 UTC
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Date: Wed, 04 Jan 2017 15:21:56 +0000
From: heasley <heas@shrubbery.net>
To: Benoit Claise <bclaise@cisco.com>
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Subject: Re: [Idr] Benoit Claise's Discuss on draft-ietf-idr-large-community-11: (with DISCUSS and COMMENT)
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Wed, Jan 04, 2017 at 06:52:42AM -0800, Benoit Claise: > I see from the abstract: "The attribute is suitable for use with > four-octet ASNs." > I also see this text, which doesn't mention four-octet ASNs > > The Global Administrator field is intended to allow different > Autonomous Systems to define BGP Large Communities without > collision. > This field SHOULD be an Autonomous System Number (ASN), in which > case > the Local Data Parts are to be interpreted as defined by the owner > of > the ASN. The use of Reserved ASNs (0 [RFC7607], 65535 and > 4294967295 > [RFC7300]) is NOT RECOMMENDED. > > What if the ASN is two bytes, we use padding? How? > Even if we would say: "This field SHOULD be an four-octet Autonomous > System Number (ASN)", it doesn't preclude inserting a two-octet ASN in > the Global Administrator field. > Isn't it better to specify how? > > >From RFC 6793: > > Currently assigned two-octet AS numbers are converted into > four-octet > AS numbers by setting the two high-order octets of the four-octet > field to zero. Such a four-octet AS number is said to be mappable > to > a two-octet AS number. The draft should just reference rfc 6793, which ISTR it once had, though that version may not have been published.
- [Idr] Benoit Claise's Discuss on draft-ietf-idr-l… Benoit Claise
- Re: [Idr] Benoit Claise's Discuss on draft-ietf-i… heasley
- Re: [Idr] Benoit Claise's Discuss on draft-ietf-i… Ignas Bagdonas
- Re: [Idr] Benoit Claise's Discuss on draft-ietf-i… Nick Hilliard
- Re: [Idr] Benoit Claise's Discuss on draft-ietf-i… Benoit Claise
- Re: [Idr] Benoit Claise's Discuss on draft-ietf-i… heasley
- Re: [Idr] Benoit Claise's Discuss on draft-ietf-i… Job Snijders
- Re: [Idr] Benoit Claise's Discuss on draft-ietf-i… Benoit Claise
- Re: [Idr] Benoit Claise's Discuss on draft-ietf-i… Job Snijders
- Re: [Idr] Benoit Claise's Discuss on draft-ietf-i… John G. Scudder
- Re: [Idr] Benoit Claise's Discuss on draft-ietf-i… Jakob Heitz (jheitz)
- Re: [Idr] Benoit Claise's Discuss on draft-ietf-i… Benoit Claise