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Best Practices for Advertisement of Multiple Paths in IBGP

Uttaro, Jim and Francois, Pierre and Patel, Keyur and Mohapatra, Pradosh and Haas, Jeffrey and Fragassi, Roberto and Simpson, Adam (2014) Best Practices for Advertisement of Multiple Paths in IBGP. [Standardization Contributions]

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Abstract

Add-Paths is a BGP enhancement that allows a BGP router to advertise multiple distinct paths for the same prefix/NLRI. This provides a number of potential benefits, including reduced routing churn, faster convergence and better loadsharing. This document provides recommendations to implementers of Add-Paths so that network operators have the tools needed to address their specific applications and to manage the scalability impact of Add-Paths. A router implementing Add-Paths may learn many paths for a prefix and must decide which of these to advertise to peers. This document analyses different algorithms for making this selection and provides recommendations based on the target application.

Item Type: Standardization Contributions
Additional Information: IDR Working Group Internet-Draft AT&T Intended status: Standards Track Expires: Jun 3, 2015
Subjects: UNSPECIFIED
Divisions: UNSPECIFIED
Depositing User: Rebeca De Miguel
Date Deposited: 14 Jan 2015 14:36
Last Modified: 14 Jan 2015 14:36
URI: http://eprints.networks.imdea.org/id/eprint/929

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