RFC 7911 - Advertisement of Multiple Paths in BGP
Internet Engineering Task Force (IETF) D. Walton - Cumulus Networks A. Retana, E. Chen - Cisco Systems, Inc. J. Scudder - Juniper Networks July 2016
Category: Standards Track
Status of This Memo
This is an Internet Standards Track document.
This document is a product of the Internet Engineering Task Force (IETF). It represents the consensus of the IETF community. It has received public review and has been approved for publication by the Internet Engineering Steering Group (IESG). Further information on Internet Standards is available in Section 2 of RFC 7841.
Copyright Notice
Copyright (c) 2016 IETF Trust and the persons identified as the document authors. All rights reserved.
Abstract
This document defines a BGP extension that allows the advertisement of multiple paths for the same address prefix without the new paths implicitly replacing any previous ones. The essence of the extension is that each path is identified by a Path Identifier in addition to the address prefix.