Avoiding Disruptions During Maintenance Operations on BGP Sessions

Authors:
P. Francois;O. Bonaventure;B. Decraene;P. -A. Coste
Affiliations:
Dept. of CSE, Univ. Catholique de Louvain, Louvain-la-Neuve;-;-;-
Venue:
IEEE Transactions on Network and Service Management
Year:
2007

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Abstract

This paper presents a solution aimed at avoiding losses of connectivity when an eBGP peering link is shut down by an operator for a maintenance. Currently, shutting down an eBGP session can lead to transient losses of connectivity even though alternate path are available at the borders of the network. This is very unfortunate as ISPs face more and more stringent service level agreements, and maintenance operations are predictable operations, so that there is time to adapt to the change and preserve the respect of the service level agreement.