Capabilities Advertisement with BGP-4
RFC 5492, “Capabilities Advertisement with BGP-4”, is a Draft Standard document published in February 2009 by J. Scudder, R. Chandra. It obsoletes RFC 3392. It has since been updated by RFC 8810. The canonical text is published by the RFC Editor.
Abstract
This document defines an Optional Parameter, called Capabilities, that is expected to facilitate the introduction of new capabilities in the Border Gateway Protocol (BGP) by providing graceful capability advertisement without requiring that BGP peering be terminated.
This document obsoletes RFC 3392. [STANDARDS-TRACK]
What “Draft Standard” means
A historical maturity level (retired in 2011) that sat between Proposed Standard and Internet Standard and required multiple interoperable implementations.
The canonical text of RFC 5492 is hosted at rfc-editor.org. Available in TXT,HTML.
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