Re: [curtis@ans.net: Re: BGP4 stuff: Local Preference Computation
"John G. Scudder" <jgs@ieng.com> Thu, 05 September 1996 22:05 UTC
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Date: Thu, 5 Sep 1996 17:31:26 -0400
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From: "John G. Scudder" <jgs@ieng.com>
Subject: Re: [curtis@ans.net: Re: BGP4 stuff: Local Preference Computation
Cc: yakov@cisco.com, bgp@ans.net
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At 5:27 PM -0400 9/5/96, rwoundy@VNET.IBM.COM wrote: >How about "Well-known non-transitive" as a new path attribute >category in section 5 for LOCAL_PREF? > >Well-known non-transitive attributes must be included in every >UPDATE message sent to internal peers, but must not be included >in any UPDATE message sent to peers in neighboring ASs. > >We'll need to fix the sentence in section 5 that states: > All well-known attributes must be passed along (after proper > updating, if necessary) to other BGP peers. >(We obviously do not want to send LOCAL_PREFs to neighbor ASs.) >Instead, we could say: > All well-known mandatory and discretionary attributes must be > passed along (after proper updating, if necessary) to other > BGP peers. This is good for LOCAL_PREF but doesn't cover ATOMIC_AGGREGATE. >I'm only afraid that this is bordering on the obvious... Yes, but it's a spec, isn't it? It should be obvious, and unambiguous. --John -- John Scudder email: jgs@ieng.com Internet Engineering Group, LLC phone: (313) 669-8800 122 S. Main, Suite 280 fax: (313) 669-8661 Ann Arbor, MI 41804 www: http://www.ieng.com