Taming the transient while reconfiguring BGP
Tibor Schneider, Roland Schmid, Stefano Vissicchio, Laurent Vanbever · 2023
BGP reconfigurations are a daily occurrence for most network operators, especially in large networks. Yet, performing safe and robust BGP reconfiguration changes is still an open problem. Few BGP reconfiguration techniques exist, and they are either (i) unsafe, because they ignore transient states, which can easily lead to invariant violations; or (ii) impractical, as they duplicate the entire routing and forwarding states, and require special hardware.